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HomeMy WebLinkAboutSEPA EPIC-275-85 - SEATTLE RENDERING WORKS - 2 FILTRATION TOWERS AND PUMPING FACILITYSEATTLE RENDERING WORKS TWO AEROBIC BIO- TOWER FILTER & SUMP PITS 5795 S0. 130T" PLACE EPIC 275 -85 January 3, 1986 Mr. Brad Collins, Planning Director City of Tukwila 6200 Southcenter Boulevard Tukwila, Washington 98188 Dear Mr. Collins, • CITY PLLANNING DEPT. As stipulated by Rick Beeler, we are required to submit results of drain field test well samples twice a year. Attached you will find a map showing the location of the four test wells (two added to the existing two at your request) and the location of the river samples taken. The laboratory certificate indicates the drain fields are performing very well. Please bring this report to Mr. Beeler's attention as I'm sure he would be interested to know we are conforming to the content of the permit. Yours truly, SEATTLE RENDERING WORKS, INC. William H Hammond, Dan Gargi 1 D 0 E Encl. WHH/ags SEATTLE RENDERING WORKS, INC. 5795 south 130th place * seattle, washington 98178 * (206) 243 -7387 - (206) 243 -2828 • • No :11109 tAl 41 • • •-• 611-E4T : Seb til.etRendei- rt9 • - • , • p2:0;]''tfip, 5835§ • 'S'e4t:t - WA 98188 • PEPORT, OM: WATER _ • . . .. .. . . SAMPLE IDEMTIF 1 rAT-10-14k, • Submi tted 12 /13185' and- tdebtified7-4s;.g1901-,Axo. ,' - ...... ,,, ,.....: ..; .....• ..._...... . _ . :..-. 2:.----:-....!,. ;;-:, .., .-.):,:.• -;:-t:(..:".-'14';tlif''` •• - - ...z'.'•:,--;;L11,4-;,-,..:''',..':- :: .,. c,...<....-::,.,.:• ... .. ... :,...--..,-• •-:.- TESTS PERFORMED 11 #1 Seattle Renderi nd: 12 /1-3111P.-9WPF,',*:.fr-,!fr' •- :--‘1'' -.:-: _AI:: ,.: • .. . . .,,„--; r1;_ AND P,ESULTS : 21 #2 Seattle Rende ridd : 12 /0j05'..-. 9:ie0 i.#-..',,,k; 3) #3 Seattle Repijoi•toci..::12/11/85:,;9:Wi-.'......, : ‘,•:. • : -.:,: , . 4) #4 Seattle Renderi 64.:, 12 /13 A36..400:0.:i,i'::;:,..,:::' 5) r •14c -, Seattle Renoei-ind 12/13/85. 9•:.00 a:.11).:.—: :- 61 #6 Seattle Rendering 12/13/85 9100: •a:ri!.••• - . . . ,, .::...-._... - ..._ .•„.•, ...- par'ts.::.petZ:nit ' ,64;.:(*Ci/12) ,-::4,:-:..,.. -;;..... ' ,- ..;:,-.:-.. : ,',.,i,-..---,:-:• --4..,-... • •. • • c7:tABORATORY: -hie:- 9427 • • - 5-day Biochemical .Oxyaen Demand 1 10. 12. 4 L/10. 6 5-iay riochernical Oxycen Deu,ang L/10. L/10. 1./10. Key L/ iniicates "1€.,ss than ( DEC 24 1985 SEATTLE RENDERING WORKS This report is submitted for the OXCIIISNO use of the person, partnership, or corporation to whom it is addiessed:*.ibie4tient:tisiolltae,*.fte.oi:this.eonvany. Orafirk?*--* • member of its staff in connection with the advertising or sale of -any product or process will be granted only on contract. This 4ompanyeceeptsino responsibility ept for the due performance of inspection and/or analysis m good faith and-according to the rules of the trade .and otackince:, .. • . Y.' : . , OFF"ICE MEMO CITY OF TUKWILA TO :J C.>\-\M ' ) i .-LJ es FROM: t'•'1 ` -Ac DATE: I -���- (`i, t t. (fig SUBJECT: Q�`J2 kp3C WC KICS 0;1, (L .1) D v S • • King County Executive Randy Revelle Department of Planning and Community Development Holly Miller, Director [a «�`1 LR AUG 8 1985 CgTY OFT;! ( ,LA PLANNING DEPT. August 1, 1985 Mr. Brad Collins Planning Director 6200 Southcenter Boulevard Tukwila, WA 98188 RE: Seattle Rendering Works DNS Dear o lins: The Department of Planning and Community Development has reviewed the environmental checklist and accompanying documents for the Seattle Rendering Works and has the following comments. Question 7 of the checklist indicates the applicant has no plans for future additions or expansions connected with the proposal. This statement seems to be contradicted in a November 3, 1980 letter from the applicant's consultant, F.C.R. Technical, to the Department of Ecology. In the letter, the consultant refers to anticipated future expansion of the Rendering Works. Does the applicant have plans for future expansion of the Rendering Works plant, or only of its wastewater treatment facilities? The wooded area adjacent to the Rendering Works plant is noted as a possible park site in the River of Green Study conducted by King County. This area should be protected from damage during construction to retain a maximum visual buffer between the Rendering Works and the Green River and golf course to the west. The mitigation measures attached to the declaration of nonsignificance should be stated in more specific, measurable terms. As they now stand, they are open to a variety of interpretations. For example, a minimum of four test wells are to be installed to sample groundwater for contamination. Who decides where these wells will be located, who will conduct tests on the samples, and what will constitute contamination? 811 Alaska Building 618 Second Avenue Seattle, Washington 98104 (206) 344 -7503 1 • Mr. Brad Collins August 1, 1985 Page Two Another mitigation measure requires connection to the sewer system if the drain fields fail and are not repairable. What constitutes failure and who will decide whether or not the drain fields are repairable? Finally, there is to be no significant increase in odor from the filter system. Who decides what is a significant increase and what is the standard? If you have any questions about our comments, please contact Martin Seybold at 344 -7990. HM:MS:dl MS005 Sincerely, t294L v HOLLY MILLER Director cc: Harold Robertson, Manager, Planning Division ATTN: Bill Jolly, Chief, Resource Planning Section Martin Seybold, Resource Planner Chuck Kleeberg, Chief, Environmental Health M.M. Dawda, District Inspector, Environmental Quality CITY ofr TO:. F ROM : DATE: e 5-- SUBJECT: ::"D(31 RY__E=.5) 1c,:tcyZE kKSI- N-c-Y\CM0 esKYO \t\Re-E KICW S 12--Q1.4 ‘cz-\1 KY3K\ 6(1-) - - �-- - ---- �-r - • • CITY OF TUKWILA PLANNING DIVISION PLANNING COMMISSION STAFF REPORT 85- 22 -UUP: SEATTLE RENDERING WORKS AGENDA ITEM INTRODUCTION Seattle Rendering Works, Inc., is located at 5795 South 130th Place in the M -1 (Light Industrial) zone. The existing anaerobic filter system of the rendering plant is failing and requires replacement. The applicant proposes installation of two 34# -foot high and approximately 23 -foot diameter filtration towers and approximately 21 -foot pumping facilities. This requires an unclassified use per- mit per TMC 18.66.020(3). FINDINGS 1. The subject site is essentially level and lies along the Duwamish River and adjacent to a railroad main track. A ground level anaerobic filter lies in the approximate middle of the property and drains to multiple drainfields bet- ween the filter and the river (Exhibit A). 2. TMC 18.66.020(3) stipulates that processing of animal byproducts and refuse disposal require an unclassified use permit. The proposed above ground filter system is an expansion of the rendering plant's physical facilities, and therefore, requires an unclassified use permit approved by the Planning Commission per the review criteria of TMC 18.66.060. Since the subject site . is located in the Board of Architectureal Review jurisdiction and the Interurban special Review area, the additional review criteria of TMC 18.60.050 and 18.60.060 also apply. 3. The attached letters from IPEC Consultants, Inc. and the-State Department of Ecology (Exhibits B and C) outline the deterioration of the existing anaerobic filter which requires repair or replacement. After evaluating alternative systems and repair of the existing system, the applicant selected the propo- sal. In two stages the 34i -foot high and about 23 -foot diameter filter towers will be erected on and adjacent to the existing filter system (Exhibits D & E). Waste water from the rendering plant will be sprayed into the cooling towers, which will be open to the air, and drawn through the filters into the sump pump mechanism and out to the existing drain fields. This will increase pro- cessing of waste water beyond the capacity of the existing filter. Page -2- Planning Commission 85- 22 -UUP: SEATTLE RENDERING WORKS July 25, 1985 4. The proposal lies outside of the shoreline management environment of the Duwamish River, therefore a Shoreline Management substantial development per- mit is not required. 5. Information has not been provided relative to the color(s) of the tanks and equipment or landscaping around the proposal. 6. A mitigated determination of non- significance will be issued for the proposal per the State Environmental Policy Act (EPIC- 275 -85) subject to conditions. The specific conditions will be available at the public hearing. Because the determination has not been finalized 15 days prior to the public hearing, the Planning Commission and BAR cannot take final action on the proposal (SEPA Ordinance No. 1334). The staff's Environmental Review process resulted in the following concerns and recommendations for inclusion in the determination and this report: A. Set up a written operation and test procedure for the drain fields which contains as a minimum: 1. Procedures for transfering effluent from drain field to drain field with the maximum time for operation of any one field and a minimum rest time between uses of the field. Also, include the position description of the responsible individual. 2. Locate a minimum of 4 test wells which will be used to sample ground water for contamination. Each location will be sampled a minimum of twice per year. AT least one of the samples will be taken at high tide during the period of high ground water. B. Meet the requirements of the Department of Ecology permit, when issued. C. Meet the requirements of RCW 90 -48 in regard to the on site waste disposal system until the DOE permit is issued. D. Connect to the sewer system if the drain fields fail and are not repairable. E. Connect to the sewer system when the system is extended, in accordance with the Tukwila Municipal Code. CONCLUSIONS 1. Unclassified Use Permit Review Criteria: A. Criteria TMC 18.66.060(1): "The proposed use will not be materially detrimental to the public welfare or injurious to the property or impro- vements in the vicinity." Page -3- Planning Commission 85- 22 -UUP: SEATTLE RENDERING WORKS July 25, 1985 The proposed filter system will not likely produce "material detriment" to other properties in the vicinity or to the City in general since the existing deteriorating filter system is in need of repair /replacement. However, staff is concerned that the uncapped /unenclosed filter towers may produce odors if a power failure or other breakdown should occur. B. Criteria TMC 18.66.060(2): "The proposed use shall meet or exceed the same standards for parking, landscaping, yards and other development regulations that are required in the district it will occupy." Additional parking is not required per TMC 18.56.050. Required building setbacks and building height regulations are met per TMC 18.50.020. Sufficient existing landscaping exists to meet the landscaping require- ments of TMC 18.52.020. However, TMC 18.52.030 (Special landscape requirements) appears to require a "solid planting screen within a 10 -foot wide landscape strip with a height of 5 to 8 feet or the construction of a decorative fence..." since the M -1 industrial zone is located adjacent to the westerly R -A agricultural zone. (The R -A zone is interpreted to be a single family use district.) Therefore, it appears that additional landscaping may be necessary along the southerly, northerly and westerly boundaries of the new filter. C. Criteria TMC 18.66.060(4): "The proposed use shall be in keeping with the goals, objectives, and policies of the Comprehensive Land Use Policy Plan." Objective 5, p. 28, encourages improvement of the quality of the air in the City. Therefore, the design of the filter systems should include either total enclosure or sufficient assurances that odor will not be created. Policies 3, 4 and 5, p. 61, encourage consideration of aesthetics and promotion of renovation of less aesthetically pleasing areas. Softening of the visual impact of the proposed filter towers appears appropriate in terms of color and screening by landscaping. This would be especially appropriate relative' to the westerly and northerly public golf course facility, and westerly and northerly residential areas. D. Criteria TMC 18.66.060(5): "A11 measures have been taken to minimize the possible adverse impacts which the proposed use may have on the area in which it is located." The unenclosed design of the filter systems creates the real potential for odors impacting the area during a breakdown and /or normal operations of the system. The utilitarian design of the towers and filter system without visual screening contributes to the visual impact of the ren- dering plant on the area. Therefore, measures should be taken to totally enclose the filtration system and screen the system via landscaping from Page -4- Planning Commission 85- 22 -UUP: SEATTLE RENDERING WORKS July 25, 1985 adjacent properties. Evergreen trees of 2i to 3 inch caliper at a maxi- mum of 30 foot spacing should be planted along the westerly and northerly portion of the most westerly driveway to screen the existing filter system. 2. Board of Architectural Review guidelines: A. Criteria TMC 18.60.050(1): Relationship of Structure to Site Adequate pedestrian circulation is provided on site in the existing dri- veways. However, additional landscaping appears appropriate along the westerly and northerly margin of the most westerly driveway in order to accomplish transition with the adjacent properties. The "height and sca- le" of the proposed filter system appears consistent and harmonious with the other structures of the rendering plant. B. Criteria TMC 18.60.050(2): Relationship of Structure and Site to Adjoining Area. The utilitarian and industrial appearance of the proposed filtration system is a departure from the existing "texture, lines, and masses" of the rendering plant. While this departure is not significant relative to the rendering plant itself, it is significant relative to the westerly and northerly properties. The industrial design may not be adequately compatible with these properties. As mentioned earlier, additional landscaping is necessary along the westerly and northerly portion of the site to accomplish reasonable tran- sition to adjacent westerly properties. C. Criteria TMC 18.60.050(3): Landscape and Site Treatment The proposal contains no landscaping beyond existing vegetation. This does not appear to "...enhance architectural features, strengthen vistas and important access... ". The landscaping recommended earlier should be implemented. Exterior illumination was not included on the submitted plans, but could soften the utilitarian and industrial design of the proposal and con- sequent visual impact during the hours of darkness. Therefore, any exterior illumination should be returned to the BAR for approval. D. Criteria TMC 18.60.050( ): Building Design The utilitarian and industrial nature of the proposed design increasing the overall impact of the use on the surrounding non - industrial land uses. While the scale of the proposal is generally compatible with that Page -5- Planning Commission 85- 22 -UUP: SEATTLE RENDERING WORKS July 25, 1985 • • of surrounding development, the proposed design may not be harmonious with adjacent westerly and northerly developments, which are mostly resi- dential and public. Colors of the proposal were not submitted, but staff recommends that the proposal be painted a muted earth tone in order to soften the overall visual impact of the proposal. The "mechanical equipment or other utility hardware" of the facility are not proposed to be screened from view. As recommended earlier, addi- tional landscaping is necessary to accomplish this screening. The design of the facility is not monotonous but is an intricate rela- tionship of divergent forms and design subelements. E. Criteria TMC 18.60.060(4)(a): Proposed development design should be sen- sitive to the natural amenities of the area. Adjacent to the subject site are the natural amenities of the Duwamish River and public golf course. Increasing the industrial development of the rendering plant is questionably sensitive to these existing ameni- ties. The proposed filtration system consists of simple forms of a straightforward industrial and utilitarian design which may not be har- monious with the Duwamish River environment and public golf course faci- lity. F. Criteria TMC 18.60.060(4)(b): Proposed development use should demonstrate due regard for the use and enjoyment of public recreational areas and facilities. Increasing the capacity of the filtration system via the proposal may increase the potential for increased odor emissions which does not "...demonstrate due regard for the use and enjoyment..." of the Duwamish River environment and nearby public golf course. Instead of the propo- sal, perhaps a lower profile filtration system which matches the capacity of the existing filtration system could be utilized. G. Criteria TMC 18.60.060(4)(c): Proposed development should provide for safe and convenient on site pedestrian circulation. Existing accessways on the subject site provide for adequate pedestrian circulation. H. Criteria TMC 18.60.060(4)(d): Proposed property use should be compatible with neighboring uses and complimentary to the district in which it is located. The proposal is questionably "...compatible with neighboring uses..." which are the Duwamish River environment, single family land uses and the Page -6- Planning Commission 85- 22 -UUP: SEATTLE RENDERING WORKS July 25, 1985 public golf course. Additional odors beyond that already experienced is potential as a result of the design of the facility and the increased capacity of the system. The recommended total enclosure of the filtra- tion system would contribute to reducing the odors from the plant. However, perhaps additional study is necessary to ensure that odors will not be created by the proposed filtration system. I. Criteria TMC 18.60.060(4)(e): Proposed development should seek to mini- mize significant adverse environmental impacts. Impacts associated with the proposal have been mentioned in terms of increased potential odor and aesthetic considerations. The proposal addresses the deterioration of the existing filtration system and the economic considerations of the applicant. While understandable, the pro- posed new filtration system is a utilitarian approach which potentially increases the odor problem and may increase the visual impact of the existing industrial facility. The recommendations herein lessen the overall impact of the proposal, but other measures may be necessary to constitute substantial efforts to "...minimize significant environmental impacts." J. Criteria TMC 18.60.060(4)(f): Proposed development should demonstrate due regard for significant historical features in the area. Historical features in the area are the westerly and northerly Foster Golf Links (Foster Family Homestead) facility, the easterly railroad facility and the rendering plant itself. Over the years odors have been generated by this facility. The recommended conditions help soften the impacts of the proposal and the industrial nature of the rendering plant. However, additional design considerations may be appropriate to more substantially demonstrate "due regard" for the public facility. 3. Consideration of the unclassified use permit application includes the primary issue of whether or not the proposed new filtration system represents an increase in the existing rendering plant facility, and if so, whether or not the increase is appropriate. Staff is concerned that the additional above- ground improvements of the two filtration towers and accessory equipment represents an addition beyond existing .structures and facilities, that could substantially impact the rendering plant operation and surrounding areas, par- ticularly the northerly and westerly residential areas and public golf course. The potential exists that the new filtration system could increase the ren- dering plant production capacity beyond that of the existing filter system, however, the principle concerns are the potential odor emissions, adequacy of the existing drainfields serving the system, and the design impacts on surrounding development. Mitigation measures have been suggested to address these concerns and enable approval of the proposal. Page -7- Planning Commission 85- 22 -UUP: SEATTLE RENDERING WORKS July 25, 1985 PRELIMINARY RECOMMENDATION Based on the above, staff preliminarily recommends the unclassified use permit be approved subject to: 1. Total enclosure of the filtration system to prevent odors occuring into the air and /or submission of documentation that odors will not occur as a direct or indirect result of the proposal. 2. Landscaping be planted along the westerly and northerly portion of the most . westerly driveway consisting of 2i to 3 inch caliper evergreen trees planted at a maximum of 30 foot spacing. 3. The towers and filtration system be painted a muted earthtone color. 4. Set up a written operation and test procedure for the drain fields which contains as a minimum: A. Procedures for transfering effluent from drain field to drain field with the maximum time for operation of any one field and a minimum rest time between uses of the field. Also, include the position description of the responsible individual. B. Locate a minimum of 4 test wells which will be used to sample ground water for contamination. Each location will be sampled a minimum of twice per year. AT least one of the samples will be taken at high tide during the period of high ground water. 5. Meet the requirements of the Department of Ecology permit, when issued. 6. Meet the requirements of RCW 90 -48 in regard to the on site waste disposal system until the DOE permit is issued. 7. Connect to the sewer system if the drain fields fail and are not repairable. .8. Connect to the sewer system when the system is extended, in accordance with the Tukwila Municipal Code. EXHIBITS A Site plan B Letter of February 15, 1985, from IPEC - USA. C Letter of April 5, 1985, from State Department of Ecology D Plan of filter system E Plan and elevations of filter system Page -8- Planning Commission 85- 22 -UUP: SEATTLE RENDERING WORKS July 25, 1985 (RENDER,RENDER3) (5A.2) 200 F.T. ‘`. • ,)(1`V'1 , agy. 1r7.4 PF.-12 C/A0,15-1-h 5.1•1/•1• oNle43 juoe or194 PARK1N4- 5 STALLSF-1.. Li/A CoKATOKY ii N/OTIN4 )1- t/OA9161 GOK x TIN ANAK'ot316 or or 12 WOKK_TI-111's N5W -f0W5K \Nevi Otlt7. • TOW-1 rxis-r 1-fop PK.0655 E31-t2 1,0A/711\14 0A1 WAR - 1,4 • . . ••." • . • .., Violoolo" ET , riNIZKIWA . • \ f004,1991,1.e9 Gt-z1GE t%1-1ZI, EXHIBIT A IPEC CONSULTANTS INC. International Pollution and Environmental Control Seattle Rendering Works P.O. Box 58368 Seattle, Washington 98188 RE: WATER POLLUTION CONTROL Gentlemen: 'MAR 2'J 1985 CITY OF TUKWILA PLANNING DEPT. February 15, 1985 This letter will report on our recent investigation on the anaerobic filter portion of your water pollution control system. The anaerobic filter has continued to deteriorate structurally over the past year. Despite the structural works recommended and carried out last year as a temporary measure, the state of the filter has worsened. Functionally, the filter is still performing at the approximate efficiencies of last year, although you will recall that the reported "silting -up" of the filter has resulted in generally poorer and poorer performance. The rapid physical deterioration of the filter and the build -up of solids within the filter indicate that immediate steps must be taken to replace this facility. We continue to recommend an above ground BI0 -TOWER system to replace the current filter system. This is based on the practical difficulties in reworking or exactly replacing the existing unit due to space requirements, and difficulties in replacement during continuing operations. The above ground BIOTOWER filters have some operational advantages at equal efficiencies. We are proceeding with preparing a budget estimate fora two stage BIOTOWER system as a replacement. Since your existing system has provided adequate performance, the capacity and performance of the replacement system will be approximately the same. We recommend immediate action on this matter as continued deterioration of existing facilities could pose a danger to your drainfields and result in long term negative consequences. Also, o'-)r escape could begin to occur and become a nuisance. If there are any questions on the above please contact us at (2 =",) 292 -8198. P.O. Box 1607. Vashon, Washington 98070 Yours truly, IPEC -USA, EXHIBIT B Thomas .R Irwin ' • elephone: (206) 292 -8198 JOHN SPELLMAN Governor STATE OF WASHINGTON • DEPARTMENT OF ECOLOGY 4350 -150th Ave. N.E. • Redmond, Washington 98052 • (206) 885-7900 April 5, 1985 Mr. John Stevens Seattle Rendering Works Inc. P. O. Box 58368 Seattle, Washington 98188 Dear Mr. Stevens: DONALD W. MOOS Director WENOWEEM APR 8 f3.85 CITY OF TUKWILA PLANNING DEPT. This is in reference to the concerns you have expressed regarding the failing anaerobic filter at the Seattle Rendering facility. The anaerobic filter is an essential unit of the wastewater treatment system at this facility. During our meeting on March 7, 1985 with you, Mr. Lee Johnson of Protam Laboratories and Mr. Tom Irwin of IPEC Consultant Inc., we discussed your plans regarding replacing the anaerobic filter unit with two. biotowers to provide the required biological treatment to the wastewater stream. We also discussed the urgency of the project during the meeting. I inspected Seattle Rendering facility on March 14, 1985 as a part of our routine permit inspection and also to inspect the condition of the anaerobic filter. As I observed during my inspection, the concrete cover on the filter unit had cracked in several places and the effluent was seeping out of it. There were strong septic odors in the vicinity of the filter and the effluent seeping out looked black in color. It is apparent that the filter unit is in very poor condition. In order to provide adequate wastewater treatment at your facility, we recommended that the filter unit be either repaired or replaced with an alternative • trea-m:ent system. Considering the current condition of the anaerobic filter unit, it should be repaired or replaced as soon as possible to prevent any damage to the succeeding treatment units. This is also necessary to prevent violations of state water quality standards that may result from poorly treated effluent. It is likely that the poorly treated effluent could violate state water quality st.an'ards which could be significant from the standpoint of aquatic life and public health. As we understand, your current plan is to replace the anaerobic filter with two biotowers. As discussed with you, the plans and specifications for the proposed biotowers shall be submitted to this department for review and approval prior to construction. I am enclosing a copy of WAC 173 -240, Construction of Wastewater Facilities, for your informa- tion. You should review VAC 173 - 240 -110 through 173 - 240 -180 for the proposed modification of the wastewater treatment facility at Seattle Rendering. Since IPEC consultant is in the process of designing the biotowers, we recommend that an engineering report be prepared for the EXHIBIT C Mr. John Stevens April 5, 1985 Page 2 whole treatment system at this time. Also, it would -be to your benefit to look at the test results from a pilot plant or a full scale model inVOIVi g biotower•treatment of similar wastes._ If. there are any test ra.available_I would also like to look at them. • In ordei to prevent any odor problems from the biotower units, we will require that these units be provided with some sort of air scrubber ... s stem. When you submit the plans and specifications for the biotowers, • gut] E,.0 444ljwi11 contact the Puget Sound Air Pollution Control Agency (PSAPCA) --- -=--° ---~ - air scrubber system. Finally, the approval of fdr`"theZr review of the y Y the system from the department will not guarantee that the system will function as designed: It will be the responsibility of Seattle Rendering Company to ensure proper operation and maintenance of the system so that the wastewater discharge does not violate the State Water Quality Standards. If you have any que_..tions or comments, please contact me at this office. Sincerely, (i7 m •) tiwc., M. M. Dawda District Engineer Environmental Quality MMD: jw cc: L. Rick Beeler, City of Tukwila John Phillips, Attorney, Seattle Rendering Lee Johnson, Protam Laboratories • X16111.161 P\NAEROBV. rtl:TER T1 T 6 1-: • --www4-2.; miwAL,K OL-ITL,IN OF exeT ooNci. rAr2 0 GO Kb t -9-- WA6TVNA1-12 -10A-ft7 WA. di. 71-4, 4_7< . yN; A-A 4 . • i7.O K_. / k-- EXHIBIT D "ND041/1 NAN 4.414I ,DV I !.A OVTINt Or 10141. PAY, rAP ILJRD r $1 MTIK I -- 1KMt10 *mut an OumP Kr aVWw1111 •9?) /VM I4.4r.1V411 KRJIICR $ IKMwa recto 117W44( I. ger ,RAN IIh NO PM, IVK rvu44411110■ AM. 0.( Th4I {MRW OYLC 4 T01uCR I t IA R.,11111 INRN•Yj041 I, 1I. VARY Tyr — l _J •EVII ION APPROVED M WOAROC µGr- TT -cf � $1$T6M + /W+. W OACTau !A tor MK-WM PART or/ IrYh IAA VICINITY MAP F10 {lAL1/ tOw1K 11 I K i O•n yl1•t0 I 1 1 At11 - 1 t Nf. II (I111I Il�j I I(� I I(� I +ulalmnra. - �. EJ HARVEY a DODD & ASSOCIATES, INC. CONSULTING ENOINEXI W Imo 1,mm+ onmke 10, PO 00lmn • 44n1144. 0•.10.,010.. C I ON) - to- w cc V ��aR�•y W CO m INK WOW lad lgh /K14 V „' nR ... ,n.I Loh pd. W�.0 1 i4 o ar*r huuu WIT. NAVA/ • rwr PLAN MI./I II IQ,110' 44AL p4�Gr�IP?10N /6 Att4 Otf1r1 COM INFOIRMATION :o 1441124e 0•64 oza 11.1 HH14 Irtmu latg >rr 60110'T101CnON Tar/ YN rARKNp 11714.100MX00 19400. 1cN YRYA Rags Max• 1100 rat NTY.r .IYIWIiA. C.J 0111044. 1146.1. 140 ntw COWL 10010014044 W w W 0004 44”04 Co bpi OOO••,O • N Or owl P0004 sr. op 144441• It WO I IawCMIlLPC 4 0011•.0.00 tops CONTENTS I'►ot RAN.lOVtr INFORMATION, FLAN, TOWER ELEVAI ION/ y4GT10N PROJLCT NEW AERODI6 tSIO-TOWCR FILTEXi hEATTLE KENDENN4 WOKK5ING 5775 70. 190tH r.-X4 *OAT TLC, WYA41$ . 200.ca -CITY OF TUK/IL A Central Permit System MASTER LAND DEVELOPMENT APPLICATION FORM Nom X8o5- 9Sa2-GLt2 07- ) 7 ,a[' RECEIVED CITY OF TUKWILA Y21 1985 BUILDING DEPT. PLEASE WRITE LEGIBLY OR TYPE ALL REQUESTED INFORMATION -- INCOMPLETE ACCEPTED FOR PROCESSING. APPLICATIONS WILL NOT BE SECTION I: GENERAL DATA TYPE OF APPLICATION: D BSIP SPLAT HORT a SUBDIVISION 0 CONDITIONAL USE ('�UNCLASS. ii�� --��11 USE DSHORELINE PERMIT PRD DPM%J0 CHG. OF 0 VAR I ANCE D ZONING APPLICANT' NAME TT -jLG+ 1657- ..U4%t/L%LI �Y/�O%/LIL$ JdC• TEL EPHONE ADDRESS 57S-/16, / / 4-4C6 PROP. OWNER: NAME R-0 p.1 c, s 8')0 7, ,p7.J dd 41 /5a At TELEPHONE DCOMP. PLAN AMENDMENT ZIP BAR INTERURBAN -?q3 73g7 ,-// ��//��l ) ..W.5-73S 7 ADDRESS 2Z2 5i/.4 , /D7 5..&-7a 7-77-e" /7//J" ZIP / tf(0 PROJECT LOCATION: (STREET ADDRESS, GEOGRAPHIC, LOT /BLOCK) /JD 274-4C SECTION 1I: PROJECT 1Y'1FORMATION 4) DESCRIBE BRIEFLY THE PROJECT YOU PROPOSE. /7d;r C' ®/V 5T7Z Ji 17 p .v. 'of." Th& 44. i' i o LeGn- / 0.42)s 1? T ufm c a w'G xi s o7.0 4 �N.oer -a a 5) ANTICIPATED PERIOD OF CONSTRUCTION: FROM c TO 7///$ 6 WILL PROJECT BE DEVELOPED. -IN PHASES? 'EYES ONO IF YES,,DESCRIBE: 6) Ave w/ F /L T - aer Bover OP6Ime-17-7,ve Pilioti 7� 7), PROJECT STATISTICS: . Gv elf rrjZ'G 77 )A' /Ai P.i' 2.0 /sv7.a‹ /7a_Tls�c a'G- A) ACREAGE OF PROJECT SITE: NET B) FLOORS OF :CONSTRUCTION: TOTALIFLOORS . TOTAL GROSS FLOOR AREA GROSS // EASEMENTS O INCLUDES• BASEMENT O MEZZANINE INCLUDES: D BASEMENT DMEZZANINE C). SITE UTILIZATION: EXISTING PROPOSED :. NOTES ZONING DESIGNATION P7r COMP: PLAN DESIGNATION BUILDING FOOTPRINT AREA 0 0 Two -.7.2 -4 .> /A 72,t✓Gx-5. LANDSCAPE AREA et/OWL--- 0 0 f A M Sa., -r 1°. PAVING AREA No A7Lt 0 0 TOTAL PARKING STALLS: A/ti vf`r.. - STANDARD SIZE., -COMPACT SIZE - HANDICAPPED SIZE. TOTAL LOADING SPACES AVER. SLOPE OF PARKING AREA AVER. SLOPE OF SITE IS THIS SITE DESIGNATED FOR SPECIAL MAP? D YES .D NO AD C ;v1LJ c Lass / °le . Geis /'Y CONSIDERATION ON THE CITY'S ENVIRONMENTAL BASE SECTION I11: APPLICANT'S AFFIDAVIT - T.f. 1'!. BE\TEFIEL -- , , -BEING DULY SWORN; DECLARE THAT 1- AM- THE -- CONTRACT PURCHASER OR OWNER OF THE PROPERTY INVOLVED IN Ti-115 APPLICATION AND THAT THE FORE- GOING STATEMENTS AND ANSWERS HEREIN CONTAINED AND THE INFORMATION HEREWITH SUBMITTED ARE IN ALL RESPECTS TRUE AND CORRECT TO THE BEST OF MY DATE MAY 20, 1985 x30/ (SIGNATURE OF CONTRACT PURCHASER OR OWNER) KNOWLEDGE AND BELIEF.' SUBSCRIBED AND SWOORN BEFO THI Oth RESIDING AT - EXHIBIT F E STATE OF ISSAT.TIA AFFI I, L. Rick Beeler AVIT OF •DISTRIWUTION hereby declare that: ( [ Notice of Public Hearing. [1 Notice of Public Meeting ([ Notice of Application for Shoreline Management Mitigated Declaration of Nonsignificance Substantial Development Permit IX ( - {}et1-a-r-a tip- cif- S}gei-€i-eaeee- eed- 3eotrifrg- -Notes. was mailed to each of the following addresses on Washington State Dept. of Ecology Environmental Review Section Mail Stop PV -11 Olympia, WA 98504 Washington State Dept. of Fisheries 115 General Administration Bldg Olympia, WA 98504 July 24 King County Building & Land Development Environmental Review -Sepa Info. 431 King County Admin. Bldg. Seattle, WA 98104' King County{fydraulics Division 900 King County Admin. Bldg. Seattle, WA 98104 Wash. State Dept. of Natural Resources PO Box 68 Enumclaw, WA 98022 John E. Phillips Market Place One Suite 555 2001 Western Avenue Seattle, WA 98121 Name of Project Seattle Rendering Works File Number , 1985. WAC 197 -11 -970 PROPOSED MITIGATED DETERMINATION OF NONSIGNIFICANCE Description of Proposal Construction of two 34+ feet filtration towers and 21 foot pumping facility to replace existing anerobic below ground filter. system Proponent Seattle Rendering Works, Inc. Location of Proposal, including street address, if any 5795 S. 130th Place Lead Agency: City of Tukwila File No. EPIC - 275_85 The lead agency for this proposal has determined that it does not have a probable significant adverse impact on the environment. An environmental impact statement .(EIS) is not required 'under RCW 43.21C.030(2)(c). This decision was made after • review of a completed environmental checklist and other information on file with the lead agency. This information is available to the public on request. O There is no comment period for this DNS Q This DNS is issued under 197 -11- 340(2). August 7, 1985. . The lead agency will not act on this s. proposal for 15 days from the date below. This determination is subject to the attached conditions. Responsible Official Brad Collins Comments must be submitted by Position/Title Planning Director Address Date July 23, 1985 Phone 433 -1845 6200 Southcenter Boulevard, Tukwila, WA 98188 r Signature You may appeal this determination to the City Clerk at Cit ate, 6200 Southcenter Boulevard, Tukwila, WA 98188 no later than 10 days from the above date by written appeal stating the basis of the appeal for specific factual objections. You may be required to bear some of the expenses for an appeal. Copies of the procedures for SEPA appeals are available with the City Clerk and Planning Department. FM.DNS EPIC - 275 -85 Seattle Altering Works, Inc. 1. Set up a written operation and test procedure for the drain fields which contains as a minimum: A. Procedures for transfering. effluent . from_drain field to drain field with the maximum time for operation of any one field and a minimum rest time between uses of the field. Also, include the position description of the responsible individual. B. Locate a minimum of 4 test wells which will be used to sample ground water for contamination. Each location will be sampled a minimum of twice per year. At least one of the samples will be taken at high tide during the period of high ground water. 2. Meet the requirements of the Department of Ecology permit, when issued. 3.. Meet the requirements of RCW 90 -48 in regard to the on site waste disposal system until the DOE permit is issued. 4. Connect to the sewer system if the drain fields fail and are not repairable. 5. Connect to the sewer system when the system is extended, in accor- dance with Tukwila Municipal code 14.12.030. 6. No significant increase in odor from the filter system. • • EPIC - 275 -85 Seattle Rendering Works, Inc. 1. Set up a written operation and test procedure for the drain fields which contains as a minimum: A. Procedures for transfering effluent from drain field to drain field with the maximum time for operation of any one field and a minimum rest time between uses of the field. Also, include the position description of the responsible individual. B. Locate, per Department of Ecology requirements, a minimum of 4 test wells which will be used to sample ground water for con- tamination. Each location will be sampled a minimum of twice per year. AT least one of the samples will be taken at high tide during the period of high ground water. The samples will be tested by a certified laboratory, and the results will be mailed to the City and the Department of Ecology. 2. Meet the requirements of the Department of Ecology permit, when issued. 3. Meet the requirements of RCW 90 -48 in regard to the on site waste disposal system until the DOE permit is issued. 4. Connect to the sewer system if the drain fields fail and are not repairable, per findings and requirements of the Department of Ecology. 5. Connect to the sewer system when the system is extended, in accordance with Tukwila Municipal code 14.12.030. 6. No significant increase in odor from the filter system as determined by the Puget Sound Air Pollution Control Authority. 7. Compliance with Board of Architectural Review decision of August 8, 1985. (REND) ( #1) City of Tukwila 6200 Southcenter Boulevard Tukwila Washington 98188 433 -1800 Gary L VanDusen, Mayor MEMORANDUM TO: Rick Beeler FROM: Ross Earnst DATE: July 18, 1985 SUBJECT: Mitigation Measures for Seattle Rendering Works 1. Set up a written operation and test procedure for the drain fields which contains as a minimum: A. Procedures for transfering effluent from drain field to drain field with the maximum time for operation of any one field and a minimum rest time between uses of the field. Also, include the position description of the responsible individual. B. Locate a minimum of 4 test wells which will be used to sample ground water for contamination. Each location will be sampled a minimum of twice per year. AT least one of the samples will be taken at high tide during the period of high ground water. 2. Meet the requirements of the Department of Ecology permit, when issued. 3. Meet the requirements of RCW 90 -48 in regard to the on site waste disposal system until the DOE permit is issued. 4. Connect to the sewer system if the drain fields fail and are not repairable. 5. Connect to the sewer system when the system is extended, in accordance with the Tukwila Municipal Code. (REND) (KPW.1) \11LA • City of Tukwila 2 6200 Southcenter Boulevard 0 Tukwila Washington 98188 433 -1800 Gary L VanDusen, Mayor July 10, 1985 Barbara Ritchie Department of Ecology Environmental Review Section Mail Stop PV -11 Olympia, WA 98504 Re: EPIC - 275 -85, Seattle Rendering Works Withdrawal of Mitigated Determination of Nonsignificance Dear Ms. Ritchie: Per your interpretation of WAC 197 -11- 350(3) we are withdrawing issuance of the Mitigated Determination of Nonsignificance for Seattle Rendering Works filter towers project because the applicant is not willing to agree to the specified mitigation. Inadvertently, we did not include the environmental checklist with the Mitigated DNS previously sent to you. We are enclosing it now for your reference. If you should have any questions please feel free to contact me at 433 -1845. Sincerely, I; ;l. Bradley J. r.' ins Planning Director BJC /BLK Enclosure cc: Applicant Property Owner King County Water Surface Management Attorney General's Office WAC 197 -11 -970 • .MITIGATED DETERMINATION OF NONSIGNIFICANCE Description of Proposal the construction of two aerobic bio -tower filters-to replace the existing anaerobic filter Proponent Seattle Rendering Works, Inc. Location of Proposal, including street address, if any 5795 So. 130th Place Lead Agency: City of Tukwila File No. EPIC-275.8,5 The lead agency for this proposal has determined that it does not have a probable significant adverse impact on the environment. An environmental impact statement (EIS) is not required under RCW 43.21C.030(2)(c). This decision was made after review of a completed environmental checklist and other information on file with the lead agency. This information is available to the public on request. (� There is no comment period for this DNS J This DNS is issued under 197 -11- 340(2). Comments must be submitted by July 23, 1985 . The lead agency will not act on this proposal for 15 days from the date below. Responsible Official Brad Collins Position /Title Planning Director Phone 433 -1845 Address 6200 Southcenter Boulevard, Tukwila, WA 98188 Date 11FS5- Signature You may appeal this determination to the City Clerk at City Hall, 6200 Southcenter Boulevard, Tukwila, WA 98188 no later than 10 days from the above date by written appeal stating the basis of the appeal for specific factual objections. You may be required to bear some of the expenses for an appeal. Copies of the procedures for SEPA appeals are available with the City Clerk and Planning Department. FM.DNS Published: Record Chronicle, July 1q 1985 • cc: wash. 6 oo. cO1ajU �u,w� `wu;Fw S.rzY- F- Fac�J-vnQmu9,emn� 0065(0,9 GGrn.etQ -L MITIGATED DETERMINATION O•ONSIGNIFICANCE EPIC - 275 -85: Seattle Rendering Works, Inca Mitigation Measures 1. Connection into sewer system /Metro treatment. 2. Meet Department of Ecology requirements as appropriate mitigation measure. ; CITY OF TORitil :6200 SOIMICENTER TUKWILA, VIA 95180 thti REAs 04' - Atfp I n a4:1`d . .o Ifs&IELTtriLl 24* stree-.Ahress such officenumb o not ternaii ll! state "" enZioi—T; GROW WITH US IN THE LAND OF THE HAZELNUTS Ronald K. 84/lud,ith Johnson 222 S.W. 107th Seattle, WA 98146 — City of Tukwila 6200 Southcenter Boulevard Tukwila Wasbingtor):98188 G R 0 Vt VITF°:,fiS IN THE LA OF THE HAZE UM'. Ronald & J ith Johnson 222 S.W. 07th . Seattl WA 98146 - -, JUL 1 r#5 . _ - - 0 if• -0-2 5- -?s-- 1 City of Tukwila 6200 Southcenter Boulevard Tuft la Washintjton 98188 . • • GROW WITWUP14 IN THE , NO 1 I. 3F cp99\ ancaot_ putiV) „7011-06(5i .222 to, Ml // qcp ( CITY OF TUKWILA CENTRAL PERMIT SYSTEM • ENVIRONMENTAL REVIEW ROUTING FORM CN EPIC FILE TO: [l BLDG n PLNG n P.W. n FIRE LICE n P & R PROJECT arldiA a /(a 'J LOCATION 5-7a9- '5 /')' DATE TRANSMITTED 7-02i STAFF COORDINATOR sec[ FILE NO. n- Z5 1tLL. 7 RESPONSE REQUESTED BY 7-":5- k2 RESPONSE RECEIVED THE ATTACHED ENVIRONMENTAL CHECKLIST WAS RECEIVED REGARDING THIS PROJECT. PLEASE REVIEW AND COMMENT BELOW TO ADVISE THE RESPONSIBLE OFFICIAL REGARDING THE THRESHOLD DETERMINATION. THE ENVIRONMENTAL REVIEW FILE IS AVAILABLE IN THE PLANNING DEPART- MENT THROUGH THE ABOVE STAFF COORDINATOR. COMMENTS REGARDING THE PROJECT YOU WISH CARRIED TO THE PLANNING COMMISSION, BOARD OF ADJUSTMENT, AND CITY COUNCIL SHOULD BE MADE ON THE ATTACHED CENTRAL PERMIT SYSTEM ROUTING FORM. ITEM COMMENT THIS DEPARTMENT HAS NO COMMENT RE:UPGRADE OF DISPOSAL SYSTEM. OF CONCERN IS THE REASON BEHIND THE UPGRADE.IS IT TO: 1. PROVIDE A MORE EFFICIENT, COST EFFECTIVE FILTRATION SYSTEM, OR 2. IS IT TO PROVIDE A GREATER CAPACITY TO THE FACILITY AND THEREFORE AN INCREASE IN THE QUANTTTY OF EFFLUENT BEING PROCESSED, AND THEREFORE...AN INCREASE IN THE TRUCK TRAFFIC THROUGH FOSTER POINT. THIS INCREASE IN TRAFFIC, A POSSIBILITY WITH THE NEW BRIDGE, WOULD BE A CONCERN TO THIS DEPARTMENT. YJ DATE COMMENTS PREPARED BY C.P.S. Form 11 • CITY OF TUKWILA CENTRAL PERMIT SYSTEM ENVIRONMENTAL REVIEW ROUTING FORM • CN EPIC FILE TO: n BLDG [j PLNG [ P.W. ] FIRE n POLICE 1-1 P & R PROJECT LOCATION 5?'? lmilvj 4.1)0(tb DATE TRANSMITTED 7-02i FILE NO. �s 25 RESPONSE REQUESTED BY 7 STAFF COORDINATOR E3e 0 RESPONSE RECEIVED THE ATTACHED ENVIRONMENTAL CHECKLIST WAS RECEIVED REGARDING THIS PROJECT. PLEASE REVIEW AND COMMENT BELOW TO ADVISE THE RESPONSIBLE OFFICIAL REGARDING THE THRESHOLD DETERMINATION. THE ENVIRONMENTAL REVIEW FILE IS AVAILABLE IN THE PLANNING DEPART- MENT THROUGH THE ABOVE STAFF COORDINATOR. COMMENTS REGARDING THE PROJECT YOU WISH CARRIED TO THE PLANNING COMMISSION, BOARD OF ADJUSTMENT, AND CITY COUNCIL SHOULD BE MADE ON THE ATTACHED CENTRAL PERMIT SYSTEM ROUTING FORM. ITEM COMMENT t 1 IT 1.5-, -izLbeft,t - (ORALS C -IC. NT-o A • s sqr-eYY\ %V L WIT 1D, 4 U I kern Li As A-PP jl,r) P 21ATE NI 111 --T-f 01,N 1tiNENSU ills DATE 7 / 7/8:C COMMENTS PREPARED BY L i C.P.S. Form 11 • CITY OF TUKWILA CENTRAL PERMIT SYSTEM ENVIRONMENTAL _EVIEW ROUTING FORM TO: BLDG [j PLNG f j P.W. PROJECT LOCATION &, b1 nri 'Lb'th. DATE TRANSMITTED 17', CN EPIC FILE FIRE n POLICE n P & R STAFF COORDINATOR P3ed FILE NO. ,s Z5"1,{(,( -0 RESPONSE REQUESTED BY 7-.3 021: RESPONSE RECEIVED THE ATTACHED ENVIRONMENTAL CHECKLIST WAS RECEIVED REGARDING THIS PROJECT. PLEASE REVIEW AND COMMENT BELOW TO ADVISE THE RESPONSIBLE OFFICIAL REGARDING THE THRESHOLD DETERMINATION. THE ENVIRONMENTAL REVIEW FILE IS AVAILABLE IN THE PLANNING DEPART- MENT THROUGH THE ABOVE STAFF COORDINATOR. COMMENTS REGARDING THE PROJECT YOU WISH CARRIED TO THE PLANNING COMMISSION, BOARD OF ADJUSTMENT, AND CITY COUNCIL SHOULD BE MADE ON THE ATTACHED CENTRAL PERMIT SYSTEM ROUTING FORM. ITEM COMMENT edrrm6t77 S 77-4- 7/7 DATE COMMENTS PREPARED BY /Z C.P.S. Form 11 JOHN E. PHILLIPS BARBARA A. WILSON HAND DELIVER LAW OFFICES OF PHILLIPS & WILSON A PROFESSIONAL SERVICE CORPORATION MARKET PLACE ONE -SUITE 555 2001 WESTERN AVENUE SEATTLE, WASHINGTON 98121 June 25, 1985 Mr. L. Rick Beeler Associate Planner City of Tukwila 6200 Southcenter Boulevard Tukwila, Washington 98188 (206) 467 -7766 [MEM 1 L2 8 1985 CITY QF TUKW4i..A PLANNING DEPT, Re: Environmental Review /Seattle Rendering EPIC - 257 -85 Dear Mr. Beeler: Works The following information is submitted pursuant to your request in your letter to me dated June 7, 1985. This infor- mation has been provided to me by Seattle Rendering Works; Lee Johnson, a chemist and consultant and expert advising Seattle Rendering Works; Phillip M. Botch & Associates, Consulting Engineers; Shannon & Wilson, Inc., Geotechnical Consultants; Laucks Testing Laboratories, Inc.; IPEC -USA Consultants, experts on international pollution and environ- mental control; and Frank Hofmeister of Harvey R. Dodd & Associates, Consulting Engineers. The questions your letter presents are answered slightly out of order to facilitate adequate and complete discussing of the subjects. (1) and (2). Engineering Report Regarding the Condition of the Existing Drainfields and Their Life Expectancy. Please find attached a report prepared by Shannon & Wilson, Inc., Geotechnical Consultants for Seattle Rendering Works which provides an expert opinion as to the life expect- ancy of the drainfields. The report was written in 1980, and, as of this date there have been no failure of the drainfields. Because of the rotation -rest regiment given to the six drainfields, no failures are anticipated. Also attached is F.C.R. Technical letter giving the ground geology. As it explains, when the anaerobic filter system is replaced and there continues to be clean water and continued rotation of the drainfields, there should be no problem with the existing drainfields. There is, therefore, an indefinite life expectancy with a properly operating system. Mr. L. Rick Bee. June 25, 1985 Page 2 (5) and (10). Effect on the Duwamish River and Shore- line Environment. Please find attached Laucks Testing Laboratories, Inc. Certificate of Analysis No. 88283 -1 reporting on the bio- chemical oxygen demand results of two samples taken on February 1, 1985 from test holes drilled at the perimeter of the north drainfield, pursuant to Washington State Department of Ecology request. The results show a 5 -day BOD of 10 PPM and 11 PPM, which are extremely low. This indicates the ground water draining into the river is not being contaminat- ed by the drainfield effluent. This further indicates that the impact on the Duwamish River and its shoreline environ- ment is presently negligible. With the new anaerobic filter system, the results should even be better and show no affect on the shoreline environment. Seattle Rendering Works plans to continue to monitor the drainfields. Failure to immedi- ately approve the new towers and system could cause negative impacts to the river. (6) and (9). Evaluation of Alternative Filter Systems. Please find attached a letter dated December 14, 1983 from IPEC -USA outlining the "best replacement water treatment system for the existing anaerobic filter system ". This document shows that the composite hourly samples from the DAF I Effluent system and the effluent required and options. Other recommendations to Seattle Rendering Works result- ed in further studies on Bio- Oxidation Towers as discussed in the attached letter dated May 2, 1985 to the Washington State Department of Ecology. Seattle Rendering Works believes that they have selected the best filter system to handle the waste water volume discharge, while protecting the environment and meeting the needs of Seattle Rendering Works. (8). Evaluation of the Possibility of Connecting the Filter System to Metro Sewer Systems in Lieu of Utilization of the Drainfield. Connection of the filter system to Metro sewer systems is not economically feasible. However, even if it was possible, it would still be necessary to construct the new towers and filtration system. Several economic studies have been made to evaluate the option of pumping the untreated, semi- treated, and fully- treated effluent into the Metro sewer main running along Interurban Avenue. The first route studied is the route running southwest across Foster golf course linking to a man hole at the intersection of 139th Street and Maule Road. The second route is south along the railroad Mr. L. Rick Beer June 25, 1985 Page 3 right -of -way and west along South 139th Street (Edwards Road) to the intersection of 139th Street and Maule Road. Please find attached a letter from Phillip M. Botch & Associates dated August 27, 1982 which outlines the costs which were then associated with these alternatives ($149,000 and $118,000 respectively). Of course, those figures would be higher in 1985 -86. In addition to the foregoing costs there would be a latecomer's fee of approximately $52,272.00. Sewer charges would run $1.29/100 cubic feet per month. At the rate of 63,600 GPD or 8,537 cubic feet per day x 25 days would amount to 256,107 cubic feet of sewage to be dumped at a cost of $3,560.00 per month. If you were to amortize the route 2 costs (the cheaper one) and the latecomer's fee over five years, it would amount to approximately $34,000 fixed costs plus $52,720 dumping fee for a total yearly outlay of $86,720 per year not including financing charges or the cost of installing the new bio towers and operating the waste dispos- al plant. Of course these figures which would be substant- ially higher today, are uneconomical and unnecessary. If the bio towers are not installed, further charges by Metro would be made because of the surcharges for excess suspended solids and excess BOD. The BOD being pumped into the sewer would be @ 1500 PPM. With a surcharge of $0.035/# of BOD in excess of 300 PPM a charge of $0.035 x 1200 x 63,000 x 8.34 x 30/1,000,000 would result in an additional charge of $662.00 per month or $7,944.00 per year. A surcharge of $0.045/# suspended solids over 400 PPM will also be charged. As the suspended solids being fed to the bio towers will be @ 1200 PPM additional charges of 0.045 x 800 x 63,000 x 8.34 x 30 would result in excess suspended solids charges of $567.00 per month or $6,809.00 per year. As Metro will not accept effluents with over 100 PPM oil and grease, operation of a bio tower or anaerobic filter dissolved air flotation system to remove the oil and grease in excess of 100 PPM must occur. It is an indisputable fact that Seattle Rendering Work's effluent must have tertiary treatment either before being pumped into a sewer or going into the six drainfields. Therefore there is no question that they must replace the system whether discharging into the drainfields or even if pumped to Metro sewer system. With adequate capacity in the existing six drainfields, which has been assured, it would be unrealistic, unnecessary and not cost effective to propose to install a force main to connect to the Metro sewer and pay dumping fees at a cost of Mr. L. Rick Bee r • June 25, 1985 Page 4 more than $76,700 per year. Even if the system was connected to the Metro sewer system, there remains the requirement to replace the filtering system with the towers. (4) Survey. A copy of the land survey and plans have been provided to you under separate cover showing that the bio towers will be constructed out of the 200 foot line of the shoreline. (3) Breakdown. Should a mechanical or electrical failure or stoppage occur, the forced air system of the bio tower would become inoperative. The pumps feeding the tower from the closed equalization tanks would also be inoperative and therefore no new untreated effluent would be pumped over the expanded media into the tanks. Since the media has a large surface area per unit volume, normal oxidation of the residual effluent would continue to occur and odors would be minimal. The disposal system prior to the bio filter is contained either in the main production building or in enclosed equal- ization tanks so mechanical or electrical failures would have little effect on the ecological aspects. (7) Views. The bio towers would not be seen from adjacent proper- ties and therefore views are not affected. Existing build- ings and tanks which are approximately 60 feet are much taller than the proposed bio towers which are 30 feet high and will blend in with the entire manufacturing complex, hence no visual screening is contemplated or needed. Pres- ently the view of the facility is screened by vegetation from the west and north; the east is bounded by the main line of the BNSF Burlington Northern Railroad and a high bluff used for demolition debris; the south is undeveloped property. The bio towers would blend in with the surrounding buildings and would not be visible to the general public. We hope the above information is sufficient to answer all your questions. As you know they would like to complete this matter so that they may install the new bio towers immediately. As we previously informed you, the Department of Ecology as well as other agencies have requested and required that Seattle Rendering Works install the new towers. We believe that these towers will be designed in order to protect the environment and hence any delay in allowing Seattle Rendering Works to install them could cause damage. If it is the City's position that they are responsible under the State Environmental Policy to protect the environment, it appears that the City should be requiring the towers as a mitigating Mr. L. Rick Beellpr June 25, 1985 Page 5 measure rather than suggesting any other action by Seattle Rendering Works. If you have any questions or need additional informs= tion, please do not hesitate to contact me or Lee Johnson who provided most of the above information. JEP:nlb Enclosures cc w /enc: Lee Johnson cc: Seattle Rendering Works rm' Sew., ea/u-frumi-c2 � CITY OF TUKWILA 110 ICN 55=/3 s' CENTRAL PERMIT SYSTEM EPIC ,27 T-35 FILE 2'3 - i-L(,1.0 ENVIRONMENTAL TO: BLDG [] PLNG PROJECT LOCATION 579 /30 44/jaQ. VIEW ROUTING FORM P.W. (j FIRE POLICE 17 P & R c 4i./ WO-Y /14/ - (i P2(V 7 .S?> d 11,54 ,uryn, FILE NO. / S -,2 :2 -tat40 DATE TRANSMITTED 5-1.2-g5- RESPONSE REQUESTED BY .5-2Q15 STAFF COORDINATOR RESPONSE RECEIVED THE ATTACHED ENVIRONMENTAL CHECKLIST WAS RECEIVED REGARDING THIS PROJECT. PLEASE REVIEW AND COMMENT BELOW TO ADVISE THE RESPONSIBLE OFFICIAL REGARDING THE THRESHOLD DETERMINATION. THE ENVIRONMENTAL REVIEW FILE IS AVAILABLE IN THE PLANNING DEPART- MENT THROUGH THE ABOVE STAFF COORDINATOR. COMMENTS REGARDING THE PROJECT YOU WISH CARRIED TO THE PLANNING COMMISSION, BOARD OF ADJUSTMENT, AND CITY COUNCIL SHOULD BE MADE ON THE ATTACHED CENTRAL PERMIT SYSTEM ROUTING FORM. ITEM COMMENT _4 VZ 7Leel -,i,fri/).PA;1- &71 --r,ie -e/A;1Z, ;' \ /ze,4 ,e' Gam, 9-7-63 (4zu sii, ,i6(,-d-+ e6Le-4. 1 9 (7-7- // (d). h41/7-(.., e-..4 .2,12-'4 0-1 4 p.r.e." fAa4-1,66..r22-.. ic{;(,-e_6in).0 ^ 4--_,Ife.c.e ii-A x_e_e_"/;Ated-laY 1 ii-a 7 / . „e0 DATE ,,j 3/ .75 COMMENTS PREPARED BY C.P.S. Form 11 ,>, CITY OF TUKWILA CENTRAL PERMIT SYSTEM roc eOrkulu,r11--Q .CN Y5- /alp EPIC 2V"--35 FILE 5 -,2. =GG,L(.- ENVIRONMENTAL REVIEW ROUTING FORM TO: n BLDG ] PLNG r P.W. n FIRE n POLICE El P & R PROJECT ,etifiG%/1Jl4C1 ,t)( /4/ - Oil(V 2 •?d Um, i,am rrf' 4 LOCATION 579, ,',. 1x30' ' FILE NO. 15 :2 l.(apo DATE TRANSMITTED 5-02,2-5'5- 07.2 -8✓ RESPONSE REQUESTED BY 5 -2Q-?5 STAFF COORDINATOR r RESPONSE RECEIVED THE ATTACHED ENVIRONMENTAL CHECKLIST WAS RECEIVED REGARDING THIS PROJECT. PLEASE REVIEW AND COMMENT BELOW TO ADVISE THE RESPONSIBLE OFFICIAL REGARDING THE THRESHOLD DETERMINATION. THE ENVIRONMENTAL REVIEW FILE IS AVAILABLE IN THE PLANNING DEPART- MENT THROUGH THE ABOVE STAFF COORDINATOR. .COMMENTS REGARDING THE PROJECT YOU WISH CARRIED TO THE PLANNING COMMISSION, BOARD OF ADJUSTMENT, AND CITY COUNCIL SHOULD BE MADE ON THE ATTACHED CENTRAL PERMIT SYSTEM ROUTING FORM. DATE /d COMMENTS PREPARED BY C.P.S. Form 11 CITY OF TUKWILA CENTRAL PERMIT SYSTEM •• CN 85 /31, EPIC .2785 FILE Y5~..2; ENVIRONMENTAL REVIEW ROUTI FORM TO: (J BLDG PLNG j P.W. n FIRE 17 POLICE (l P & R PROJECT airkil/L6 WO-r&40/ -U_ii('/01t`//1.Cd 466 J*617,1 tL LOCATION 5795 " > Qg'iQP. FILE NO. /5 -,2 tay0 DATE TRANSMITTED 5 22 -85 RESPONSE REQUESTED BY 5 02Q-fJ5 STAFF COORDINATOR RESPONSE RECEIVED THE ATTACHED ENVIRONMENTAL CHECKLIST WAS RECEIVED REGARDING THIS PROJECT. PLEASE REVIEW AND COMMENT BELOW TO ADVISE THE RESPONSIBLE OFFICIAL REGARDING THE THRESHOLD DETERMINATION. THE ENVIRONMENTAL REVIEW FILE IS AVAILABLE IN THE PLANNING DEPART- MENT THROUGH THE ABOVE STAFF COORDINATOR. .COMMENTS REGARDING THE PROJECT YOU WISH CARRIED TO THE PLANNING COMMISSION, BOARD OF ADJUSTMENT, AND CITY COUNCIL SHOULD BE MADE ON THE ATTACHED CENTRAL PERMIT SYSTEM ROUTING FORM. ITEM COMMENT t3 0 � . b,4vec, 35' - �3a' -// 4 T DATE Z9 - S j COMMENTS PREPARED BY A(WPZil, C.P.S. Form 11 h. Proposed measures to reduce or control erosion, or other impacts to the earth, if any: None needed. 2. Air a. What types of emissions to the air would result from the proposal (i.e., dust, automobile odors, industrial wood smoke) during construction and when the project is completed? If any, generally describe and give approximate quantities if known. The emissions during construction will be from the exhaust of construction equipment. which will he minimal. 'rSee Attached Sheet b. Are there any off -site sources of emissions or odor that may affect your proposal? If so, generally describe. No. There are no off -site emission that effect this proposal. c. Proposed measures to reduce or control emissions or other impacts to air, if any: The air from the process filters will be routed throu • h a wet scr i a e any o•ors prior to discharging into: the atmosphere. .- • • 3. Water a. Surface: 1) Is there any surface water body on or in the immediate vicinity of the site (including year - round and seasonal streams, saltwater, lakes, ponds, wetlands)? If yes, describe type and provide names. If appropriate state what stream or river it flows into. lies. The Green River. The proposed towers will be constructed more than 200 ft. from the shore in1' of the Green River. • Evaluation for Agency Use Only • Attachment 2. Air a. (con't. page 5) No significant air emission will occur as a result of the completed construction. I n operation maximum air discharge is 5000 CFM of wet scrubbed air from the Aerobic Bio -Tower System, there will be significantly less odor emissions, if any. • 2) Will the project require any work over, in, or adjacent to (within 200 feet) the described waters? If yes, please describe and attach availably Tans. The new construction will not be within 200—feet of the Green River. 3) Estimate the amount of fill and dredge material that would be placed in or removed from surface water or wetlands and indicate the area of the site that would' be affectedfill or Indicate the source of fill material. dredging in the Green River or wttIand is associated with this project 4) Will the proposal require surface water withdrawals or diversions? Give general description, purpose, and approximate quan -. tities, if known. No 5) Does the proposal lie within a 100 -year floodplain? If so, note location on the site plan. No 6) Does the proposal involve any discharges of waste materials to surface waters? If so, describe the type of waste and anticipated volume of discharge. No !valuation for Agency Use Only • b. Ground: 1) Will ground water be withdrawn, or will water be. discharged to ground water? Give general description, purpose, and approximate quan- tities, if known. No water will be withdrawn from the ground. Treated waste water will be discharged into the existing anaerobic filter drainfield at apprnximatPly 44 gal. per minute. 2) Describe waste materials that will be discharged into the ground from septic tanks or other sour- ces, if any (for example: Domestic . sewage; industrial, containing the following chemicals...; agricultural; etc.) Describe the general size of the system, the number of such systems, the number of houses to be served (if applicable), or the number of animals or humans the system(s) are expected to serve. Treated water only will be discharged into the existing drainfield. The discharge rate of the titter waste water will not be changed as a result of this proposal. The water discharge will be cleaner than the present discharge, and discharge no odor into the air. The proposal protects the groundwater at the site by. treatment prior to discharge into the existing drainfield. • Evaluation for Agency Use Only c. Water Runoff (including storm water): 1) Describe the source of runoff (including storm water) and method of collection and disposal, if any (include quantities, if known). Where will this water flow? Will this water flow into other waters? If so, describe. Not applicable for this permit. The existing site is served by a series of catch basins, and the surface water runoff is discharged_ into the Green River. • • 6. Energy and Natural Resources a. What kinds of energy (electric, natural gas, oil,. wood stove, solor) will be used to meet the completed project's energy needs? Describe whether it will be used for heating, manufacturing, etc. The project will require electicity to power - the pump associated with the waste water treatment process. b. Would your project affect the potential use of solar energy by adjacent properties? If so, generally describe. No c. What kinds of energy conservation features are included in the plans of this proposal? List other proposed measures to reduce or control energy impacts, if any: None 7. Environmental Health a. Are there any environmental health hazards, including exposure to toxic chemicals, risk of fire and explosion, spill, or hazardous waste, that could occur as a result of this proposal? If so, describe. No 1) Describe special emergency services that might be required. None 2) Proposed measures to reduce or control environ- mental health hazards, if any: The proposed modification is a direct and timely measure to re- duce a developing potential environmental health hazard due to physical deterioration of an existing portion of the waste water pretreatment prnrecs . Action is required on an immediate basis or there could be a health hazard. -10- Evaluation for Agency Use Only b. Noise 1) What types of noise exist in the area which may. affect your project (for example: traffic, equipment, operation, other)? None 2) What types and levels of noise would be created by or associated with the project on a short - term or a long -term basis (for example: traf- fic, construction, operation, other)? Indicate what hours noise would come from the site. The sound of construction equipment between 7:00 a.m. and 5: uU p.m. will be created during' construction. 3) Proposed measures to reduce or control noise impacts, if any: The equipment is all equipped with mufflers to mitigate any noise Impact. 8. Land and Shoreline Use • • What is the current use of the site and adjacent properties? The site is currently used for processing of animal wastes by a rendering process. The adjacent property is a railroad rirg.ht of way. b. Has the site been used for agriculture? If so, describe. No c. Describe any structures on the site. The site is presently developed with an office. a labnratnry, _ process and shop building, and an urn' clerground anaerobic filter for Seattle Rendering Workc, Inc Evaluation for Agency Use Only w • d. Will any structures be demolished? If so, chat? No - e. What is the current zoning classification of -the site? M -1 f. What is the current comprehensive plan designation of the site? Light Industrial 9. If applicable, what is the current shoreline master program designation of the site? Not applicable h. Has any part of the site been classified as an "environmentally sensitive" area? If so, specify. Yes. Due to the shoreline of the Green River. i. Approximately how many people would reside or work in the completed project? Di a loyees workat, the site during normal working hours. j. Approximately how many people would the completed project displace? None k. Proposed measures to avoid or reduce displacement impacts, if any: Not applicable 1. Proposed measures to ensure the proposal is com- patible with existing and projected land uses and plans, if any: Not applicable Evaluation for Agency Use Only • • 9. Housing a. Approximately how may units would be provided, if any? Indicate whether high, middle, or low- income housing? 'None b. Approximately how many units, if any, would be eli- minated? Indicate whether high, middle, or low - income housing. None c. Proposed measures to reduce or control housing impacts, if any: None 10. Aesthetics What is the tallest height of any proposed structure(s), not including antennas; what is the principal exterior building material(s) proposed? Two 35' -0" high prefabricated steel towers b. What views in the immediate vicinity would be altered or obstructed? None c. Proposed measures to reduce or control aesthetic impacts, if any: The new aerobic bio- towers will be painted and maintained in a clean and neat manner, and will blend in with the existing buildings. The towers are a substantial distance from public view. Evaluation for Agency Use Only • • .1. Light and Glare a. ghat type of light or glare will the proposal produce? What time of day would it mainly occur? None b. Could light or glare from the finished project be a safety hazard or interfere with views? No c. What existing off -site sources of light or glare may affect your proposal? None d. Proposed measures to reduce or-control light and glare impacts, if any: None 12. Recreation a. What designed and informal recreational oppor- tunities are in the immediate vicinity? Foster Golf Course is south of the site. b. Would the proposed project displace any existing recreational uses? If so, describe. No c. Proposed measures to reduce or control impacts on recreation, including recreation opportunities to be provided by the project or applicant, if any: The project will not alter the existing recreational opportunities in the vicinity of the site. Evaluation for Agency Use Only CITY OF TUKWILA CENTRAL PERMIT SYSTEM ENVIRONMENTAL REVIEW ROUTING FORM TO: n BLDG 1---1 PLNG (� P PROJECT a 7dJ4 49 W'r ?4/ LOCATION 5 -1dq Je3e) 46 icy . DATE TRANSMITTED 5,22-35- •cN S- 8 EPIC .27./z35 FILE 2(5 -..2a tl.1 -(-P .W. [ FIRE 0 POLICE [i P & R !inc /015fbiCd U )67evrni FILE NO. 15'- :2 GGGLp RESPONSE REQUESTED BY ,.5- 2Q-g5 STAFF COORDINATOR RESPONSE RECEIVED THE ATTACHED ENVIRONMENTAL CHECKLIST WAS RECEIVED REGARDING THIS PROJECT. PLEASE REVIEW AND COMMENT BELOW TO ADVISE THE RESPONSIBLE OFFICIAL REGARDING THE THRESHOLD DETERMINATION. THE ENVIRONMENTAL REVIEW FILE IS AVAILABLE IN THE PLANNING DEPART- MENT THROUGH THE ABOVE STAFF COORDINATOR. .COMMENTS REGARDING THE PROJECT YOU WISH CARRIED TO THE PLANNING COMMISSION, BOARD OF ADJUSTMENT, AND CITY COUNCIL SHOULD BE MADE ON THE ATTACHED CENTRAL PERMIT SYSTEM ROUTING FORM. ITEM COMMENT NN. DATE S n -gC COMMENTS PREPARED BY • C.P.S. Form 11 r , F F ,,e/xt: eorn CITY OF TUKWILA CN CENTRAL PERMIT SYSTEM EPIC .27,9-15 FILE ENVIRONMENTAL REVIEW ROUTING FORM TO: [—] BLDG PLNG n P.W. n FIRE n POLICE ER PROJECT 7 jjJ4 wo -rieQ/ -U.!'1r/O..Sfi:Cd /Opi/h'U A LOCATION 5795 )3 ' 2F. FILE NO. /6- -.7,012140 DATE TRANSMITTED 5-02.2-y5- RESPONSE REQUESTED BY 5-2Q15 STAFF COORDINATOR RESPONSE RECEIVED THE ATTACHED ENVIRONMENTAL CHECKLIST WAS RECEIVED REGARDING THIS PROJECT. PLEASE REVIEW AND COMMENT BELOW TO ADVISE THE RESPONSIBLE OFFICIAL REGARDING THE THRESHOLD DETERMINATION. THE ENVIRONMENTAL REVIEW FILE IS AVAILABLE IN THE PLANNING DEPART- MENT THROUGH THE ABOVE STAFF COORDINATOR. COMMENTS REGARDING THE PROJECT YOU WISH CARRIED TO THE PLANNING COMMISSION, BOARD OF ADJUSTMENT, AND CITY COUNCIL SHOULD BE MADE ON THE ATTACHED CENTRAL PERMIT SYSTEM ROUTING FORM. ITEM COMMENT r DATE " = d2. t/- �,S- COMMENTS PREPARED BY_________________________________ _-__4.--✓ C.P.S. Form 11 ,c 3 IlLA 40- 4 City of Tukwila Z 6200 Southcenter Boulevard Tukwila Washington 98188 433 -1800 Gary L VanDusen, Mayor ;1909 • MEMORANDUM TO: Planning Department FROM: Don Williams, Parks and Recreation Director DATE: May 24, 1985 SUBJECT: Response to Rendering Works - Unclassified Use Permit Request Our department's comments involve the aesthetics of the two 35 feet high by 22 feet wide steel towers. The location of the towers is such that from the Foster Golf Links they will be visible from approximately 13 of the 18 holes. The present facility has very little landscaping and I. see nothing in their proposal to screen the existing buildings nor the new towers. One of the main reasons why people enjoy playing at Foster is because of the pleasant surroundings of grass and trees, and not having to look at man made features. The two towers will be highly visible and obtrusive to the 60,000 plus golfers who play at Foster each year. I disagree with the proponents statement on page 10 of the Environmental Checklist that no views would be altered. I believe the construction of the two sizeable towers will be very visible and cause a change from present views. I do not recommend the towers be allowed to be built based on a negative impact on the views at the golf course. eOntiourAL CITY OF TUKWILA CENTRAL PERMIT SYSTEM N S- EPIC .2735 FILE 2'5 - ,2.- -(,{,(,(..P ENVIRONMENTAL REVIEW ROUTING FORM TO: n BLDG n PLNG n P.W. n FIRE POLICE n P & R PROJECT Y7G%/J /4 Wor' ' - 5>eh 16-6 /Dj v,ni i4 LOCATION 5795 /36 ih'np DATE TRANSMITTED 5--22-'5 STAFF COORDINATOR FILE NO. S -a ,7 tat p RESPONSE REQUESTED BY 5- e2Q1.5- RESPONSE RECEIVED THE ATTACHED ENVIRONMENTAL CHECKLIST WAS RECEIVED REGARDING THIS PROJECT. PLEASE REVIEW AND COMMENT BELOW TO ADVISE THE RESPONSIBLE OFFICIAL REGARDING THE THRESHOLD DETERMINATION. THE ENVIRONMENTAL REVIEW FILE IS AVAILABLE IN THE PLANNING DEPART- MENT THROUGH THE ABOVE STAFF COORDINATOR. .COMMENTS REGARDING THE PROJECT YOU WISH CARRIED TO THE PLANNING COMMISSION, BOARD OF ADJUSTMENT, AND CITY COUNCIL SHOULD BE MADE ON THE ATTACHED CENTRAL PERMIT SYSTEM ROUTING FORM. ITEM COMMENT /5; 4 1 LU h c a. �l.� 4 �d 1 r c r c L4 (:k d se( u k4PL_2 c.o pOss- fa, 1 ✓} -�Gt� f- S �-p-G� -* Ski —J4� t-tJcd.o ck 4713 eZ• q,� fi.. U� r I _ lksL. ;! t • • .Q- r � I r t AJo e...Q ct 4�:' �irr; i 0s.11 p DS.S;b) DATE COMMENTS PREPARED BY C.P.S. Form 11 .) I .7(..P CITY OF TUKV LA .51 4 RECERTM CITY OF 1UKIMU4 �5 -,72 -tLUO Central Permit System MASTER LAND DEVELOPMENT APPLICATION FORM MAY 211985 sUNQ DEFT. PLEASE WRITE LEGIBLY OR TYPE ALL REQUESTED INFORMATION - - INCc PLETE APPLICATIONS WILL NOT BE ACCEPTED FOR PROCESSING. SECTION 1: GENERAL DATA TYPE OF APPLICATION: D BSIP SHORT PLAT CONDITIONAL USE 0 SUBDIVISION D SHORELINE PERMIT OrUSESS. a VARIANCE USE 0 PRD DPMUD DCHG. OF DCOMP. PLAN ZONING AMENDMENT APPL 1 CANT: NAME .5e/,- Tr' G� F-L- /Z b� /Lilj W (214 5 `JI/C .TELEPHONE ADDRESS 5795 .5- /.v/�' i4/064 PROP. OWNER: NAME gt'/i4l,7 1' etJo 7d dd �f% NSo,oi TELEPHONE ( ADDRESS 17.7./2- S , m / , /0 7 h1/1 PROJECT LOCATION: (STREET ADDRESS, GEOGRAPHIC, LOT /BLOCK) -7755- .5 1.5D (P`•/JGC ZIP ZIP BAR 1NTERURBAN -?9.5 73g7 rPly� <DV3-73S 7 l V SECTION 1I: PROJECT I NFORMATION ) ) DESCRIBE BRIEFLY THE 12410 fl i7Z913 �L• PROJECT YOU PROPOSE. /' . /-L''Q/�SY?�c,Gj7p.k7 Q%- TRIO lc�u�G'n- / -7Zn -S PTO /ZG7', cc- The P.X/Sr),7a �NAL-'7 -oe5� ANT 1C1PATED PERIOD OF CONSTRUCTION: FROM ? N$ 5 TO 7//`$ WILL PROJECT BE DEVELOPED.•IN PHASES? ® YES ONO IF YES,.pESCRIBE: 1 / / O w tv4 8 j 23 '/ - 2 e e Pen-19 7.7 Pv 4 f L/D ,1E, 73 12 . ' 1iv 7-we" ex i s) rz- f t 7232. • PROJECT STATISTICS: A) ACREAGE OF PROJECT SITE: B) FLOORS OF CONSTRUCTION: SITE UTILIZATION: ZONING DESIGNATION COMP. PLAN DESIGNATION BUILDING FOOTPRINT AREA LANDSCAPE AREA PAVING AREA TOTAL PARKING STALLS.: - STANDARD SIZE. - COMPACT SIZE - HANDICAPPED SIZE TOTAL AVER. AVER. NET GROSS TOTAL I FLOORS TOTAL GROSS FLOOR AREA LOADING SPACES SLOPE OF PARKING AREA SLOPE OF SITE a INCLUDES: P INCLUDES: EXISTING A /vNr ❑ No nit ❑ PROPOSED 41A; yr r� EASEMENTS 0 BASEMENT D MEZZANINE BASEMENT MEZZANINE NOTES ❑ Two . j -4 9 /4 Towcn -s• ❑ dNGs av� �'• 0 eVO C1A-4(14 L% r• r2.v ft5s /070 Les-s l °iv IS THIS SITE DESIGNATED FOR SPECIAL CONSIDERATION MAP? D YES D NO ON THE CITY'S ENVIRONMENTAL BASE SECTION I 1 1 : APPL I CANT' S_ AFF I DAV_LT_ 1 , W. W. BEtEF-IEL , BEING DULY SWORN, DECLARE THAT I AM THE CONTRACT PURCHASER OR OWNER OF THE PROPERTY INVOLVED IN THIS APPLICATION AND THAT THE FORE- GOING STATEMENTS AND ANSWERS HEREIN CONTAINED AND THE INFORMATION HEREWITH SUBMITTED ARE IN ALL RESPECTS TRUE AND CORRECT TO THE BEST OF MY KNOWLEDGE AND BELIEF. DATE MAY 20, 1985 SUBSCRIBED AND SWORN BEFO: ME THIS/ .0th 19 85 . PUZLI•: IN AND RESIDING AT STATE OF ASHINGTON (SIGNATURE OF CON'RACT PURCHASER OR OWNER) A ocu► O 2 0 1985 o ENVIRONMENTAL CHECKLIST loam Control No. 8S" 136 Epic File No. Fee $100.00 Receipt No.Q6162 A. BACKGROUND 1. Name of proposed .project, if applicable: Two Aerobic Bio -Tower Filter & Sump Pits 2. Name of applicant: Seattle Rendering Works, Inc. c/o Harvey R. Dodd & Assoc., Inc. 3. Address .and phone number of applicant and contact person: Harvey R. Dodd & Assoc, Inc. P.O. Box 20038, Seattle, WA 98102 (206) 328 -1500 Contact: .Frank Hofmeister 4. Date checklist prepared: May 17, 1985 5. Agency /requesting Checklist: City of Tukwila 6. Proposed timing or schedule (including phasing, if applicable): The construction will begin upon issuance of .a building permit and will be completed within one year. 7. Do you have any plans for future additions, expansion, or further activity related to or connected with this proposal? If yes, explain. None 8. List any environmental information you know about that has been prepared, or will be prepared, directly related to this proposal. None 9. Do you know whether applications are pending for governmental approvals of other proposals directly affecting the property covered by your proposal? . If yes, explain. None 10. List any government approvals or permits that will be needed for your proposal. City of Tukwila Building Permit Electrical Permit Unclassified: Use Permit, if required 11. Give brief, complete description of your, proposal, including the proposed uses and the size of the project and. site. There are several questions later in this checklist that ask you to describe certain aspects of your proposal. You do not need to repeat those answers on this page. Section E requires a complete description of the objectives and alternatives of your proposal and should not be summarized here. The proposal consists of replacing the existing anaerobic filter system by the rnnstruction of twoj 22' -4" diameter by 30' -11" high towers and related sumps and piping to process waste water from animal waste rendering by an aerobic, 'filter process prior to discharging the water into an existing drain field. 12 Location of the proposal. Give sufficient information for a person to understand the precise location of your proposed project, including a street address, if -any, and section, township, and range, if known. If a proposal would occur over a•range of area, provide the range or boundaries of the site(s). Provide a legal description, site plan, vicinity map, and topographic map, if reasonably available. While you should submit any plans required by the agency, you are not required to duplicate maps or detailed plans submitted with any permit applica- tions related to this checklist. The project is located at 5795 South 130th Place, Tukwila, Washington 13. Does the proposal lie within an area designated on the City's Comprehensive Land Use Policy Plan Map as environmentally sensitive? No • • TO BE COMPLETED BY APPLICANT b. ENVIRONMENTAL ELEMENTS 1. Earth a. General description of the site (circle one): rolling, hilly, steep slopes, ,mountainous, other Evaluation for Agency Use Only b.. What is the steepest slope on the site (approximate percent slope)? 1° c. What general types of soils are found on the site (for, example, clay, sand, gravel, peat, muck)? If you, know the classification of agricultural soils, specify them and note any prime farmland. Loose brown silty sand and gravel d. Are there surface indications or history of unstable soils in the immediate vicinity? If so, describe. No Describe the purpose, type, and approximate quanti- ties of any filling or grading proposed. Indicate source of f i l l . The area of the foundations for the _ tanks will be excavated, and refilled with an engineered- compacted_ fill in accoardance with Shannon & Wilson, Inc. recommendations. f. Could erosion occur as a result of .clearing, construction, or use? If so, generally describe. g. About what percent of the site will be covered with impervious surfaces after project construction (for example, sphalt or buildings)? •.The site is presently developed and approximately one percent lb wvered wlth.lmpervious surtaces. - No ,.addi tional surface will be created.' Evaluation for Agency Use Only h. Proposed measures to reduce or control erosion, or other impacts to the earth, if any: None needed. 2. Air a. What types of emissions to the air would result from the proposal (i.e., dust, automobile odors, industrial wood smoke) during construction and when the project is completed? If any, generally describe and give approximate quantities if known. The emissions during construction will be from the exhaust of construction equipment. which will hp minimal. *See Attached Sheet b. Are there any off -site sources of emissions or odor that may affect your proposal? If so, generally describe. No. There are no off -site emissions that effect this proposal. c. Proposed measures to reduce or control emissions or other impacts to air, if any: The air from the process filters will be routed through a wet scrubber ina a any o ors prior to discharging into: the atmosphere. 3. Water a. Surface'. 1) Is there any surface water body on or in the immediate vicinity of the'site (including year - round and seasonal streams, saltwater, lakes, ponds, wetlands)? • If yes, describe type and provide names. If appropriate state what stream or river it flows into. lies. The Green River. The proposed towers will be constructed more than 200 ft. from the o e inT off the Green River. Attachment 2 Air • (con't. page 5) No significant air emission will occur as a result of the completed construction. I n operation maximum -air discharge is 5000 CFM of wet scrubbed air from the Aerobic Bio -Tower System, there will be significantly Tess odor emissions, if any. • 2) Will the project require any work over, in, or adjacent to (within 200 feet) the described waters? If yes, please describe and attach availably.plans. The new construction will not be within 200 feet of the Green River. 3) Estimate the amount of fill and dredge material that would be placed in or removed from surface water or wetlands and indicate the area of the site that would be affected. Indicat the source of fill material. or dredging in the Green River or wetland is associated with this project 4.) Will the proposal require surface water withdrawals or diversions? Give general description, purpose, and approximate quan- tities, if known. No 5) Does the proposal lie within a 100 -year floodplain? If so, note location on the site plan. No 6) Does the proposal involve any discharges of waste materials to surface waters? If so, describe the type of waste and anticipated volume of discharge. No Evaluation for Agency Use Only • Evaluation for Agency Use Only b. Ground: 1) Will ground water be withdrawn, or will water be discharged to ground water? Give general description, purpose, and approximate quan- tities, if known. No water will.be withdrawn from the ground. Treated waste water will be discharged into the existing anaerobic filter drainfield at approximately 44 gal. per minute. 2) Describe waste materials that will be discharged into the ground from septic tanks or other sour- ces, if any (for example: Domestic sewage; industrial, containing the following chemicals...; agricultural,; etc.) Describe the general size of the system, the number of such systems, the number of houses to be served (if applicable), or the number of animals or humans the system(s) are expected to serve._ Treated water only will be discharged into the existing drainfield: The discharge rate of the filter waste water will not be changed as a resin of this proposal. The water discharge will be cleaner than the present discharge, and discharge no odor into the air. The proposal protects the groundwater at the site by treatment prior to discharge into the existing drainfield. . c. Water Runoff (including storm water): 1) Describe the source of runoff (including storm water) and method of collection and disposal, if any (include quantities, . if known).. Where will this water flow? Will this water flow into other waters? If so, describe. Not applicable for this. permit. The existing site is served by a series. of catch basins and the surface water runoff is "dischargectintn the _ been iver. • Evaluation for Agency Use Only 2) Could waste materials enter ground or surface waters? If so, generally describe. No d. Proposed measures to reduce or control surface, ground, and runoff water impacts, if any: None 4. Plants a. Check or circle types of vegetation found on the site: X deciduous tree: alder, maple, aspen, other X evergreen tree: fir, cedar, pine; other X shrubs grass pasture crop or grain wet soil plants: cattail, buttercup, bullrush, skunk cabbage, other water plants: water lily, eelgrass, milfoil, other other types of vegetation b. What kind and am N one of vegetation will be removed or altered? c. List threatened or endangered species known to be on or near the site. None Evaluation for Agency Use Only d. Proposed landscaping, use of native plants, or other measures to preserve or enhance vegetation on the site, if any: None 5. Animals a. Circle any birds and animals which .have been observed on'or near the site or are known to be on or near the site: birds: hawk, heron, eagle, songbirds, other: ._ mammals: deer, bear, elk, beaver, other: fish: bass other: trout, herring, shellfish, b. List any threatened or endangered species known to be on or near the site. None c. Is the site part of a migration route? If so, explain. No d. Proposed measures to preserve or enhance wildlif ' if any: No • Evaluation for Agency Use Only 6. Energy and Natural Resources a. What kinds of energy (electric, natural gas, oil, wood stove, solor) will be used to meet the completed project's energy needs? Describe whether it will be used for heating, manufacturing, etc. The project will require electicity to pnwer the pump associated with the waste water treatment process. b. Would your project affect the potential use of solar energy by adjacent properties? If so, generally describe. No c. What kinds of energy conservation features are included in the plans of this proposal? List other proposed measures to reduce or control energy impacts, if any: None 7. Environmental Health a. Are there any environmental health hazards, including exposure to toxic chemicals, risk of fire and explosion, spill, or hazardous waste, that could occur as a result of this proposal? If so, describe. No 1) Describe special emergency services that might be required. None 2) Proposed measures to reduce or control environ- mental health hazards, if any: The proposed modification is a direct and timely measure to re- duce a developing potential environmental health hazard due to physical deterioration of an existing portion of the waste water pretreatment process • Action is required on an immediate basis or there could be a health hazard. -10- Evaluation for Agency Use Only b. Noise 1) What types of noise exist in the area which may affect your project (for example: traffic, equipment, operation, other)? None 2) What types and levels of noise would be created by or associated with the project on a short - term or a long-term basis (for example: traf- fic, construction, operation, other)? Indicate what hours noise would come from the site. The sound of construction equipment between 7:00 a.m. and 5: UU p.m. will be created during. •construction. 3) Proposed measures to reduce or control noise impacts, if any: The equipment is all equipped with mufflers to mitigate . any noise Impact. 8. Land and Shoreline Use What is the current use of the site and adjacent properties? The site, is currently used for processing of animal wastes by a rendering process. The adjacent property is a railroad right of way. a. b. Has the site been used for agriculture? If so, describe. No c. Describe any structures on the site. The site is presently developed with an office. a laboratnry, process and shop building, and an underground anaerobic filter for Seattle Rendering Works, Inc, • Evaluation for Agency. Use Only d. Will any structures be demolished? If so, what? No e. What is the current zoning classification of the site? M-1: f. What is the current comprehensive plan designation of the site? Light Industrial g. If applicable, what is the current shoreline master program designation of the site? Not applicable h. Has any part of the site been classified as an "environmentally sensitive" area? If so, specify. Yes. Due to the shoreline of the Green River. i. Approximately how many people would reside or.work in the completed project? 16 employees work at_ the site during normal working hours. j. Approximately how many people would the completed project displace? None k. Proposed measures to avoid or reduce . displacement impacts, if any: Not applicable 1. Proposed measures to ensure the proposal is com- patible with existing and projected land uses and plans, if any: Not applicable Evaluation for Agency Use Only 9. Housing a. Approximately how many units would be provided, if any? Indicate whether high, middle, or low- income • housing? None b. Approximately how many units, if any, would be eli- minated? Indicate whether high, middle, or low - income housing. None c. Proposed measures to reduce or control housing impacts, if any: None 10. Aesthetics What is the tallest height of any proposed structure(s), not including antennas; what is the principal exterior building material(s) proposed? Two 35' -0" high prefabricated steel towers b. What views in the immediate vicinity would be altered or obstructed? None c. Proposed measures to reduce or control aesthetic impacts, if any: The new aerobic bio- towers will be painted and maintained in a clean and neat manner, and will blend in with the existing buildings. The towers are a substantial distance from public view. • • Evaluation for Agency Use Only 11. Light and Glare a. What type of light or glare will the proposal produce? What time of day would it mainly occur? None b. Could light or glare from the finished project be a safety hazard or interfere with views? No c. What existing off -site sources of light or glare may affect your proposal? None d. Proposed measures to reduce or control light and glare impacts, if any: None 12. Recreation a. What designed and informal recreational oppor- tunities are in the immediate vicinity? Foster Golf Course is south of the site. b. Would the proposed project displace any existing recreational uses? If so, describe. No c. Proposed measures to reduce or control impacts on recreation, including recreation opportunities to be provided by the project or applicant, if any: The project will not alter the existing recreational opportunities in t h e vicinity of the site. • • Evaluation for Agency Use Only 13. Historic and Cultural Preservation a. Are there any places or objects listed on, or pro- posed for, national, state, or local preservation registers known to be on or next to the site? If so, generally describe. No b. Generally describe any landmarks or evidence of historic, archaeological, scientific, or cultural importance known to be on or next to the site. None c. Proposed measures to reduce or control impacts, if any: Not applicable 14. Transportation a. Identify public streets and highways serving the site, and describe proposed accss to the existing street system. Show on site plans, if any. South 130th Place: b. Is the site currently served by public transit? If not, what is the approximate distance to the nearest transit stop? No c. How many parking spaces would the completed project have? How many would the project eliminate? ThP Ci .. • Existing _parking will not be altered. 1 •_ Evaluation for Agency Use Only d. Will the proposal require any new roads or streets, or improvements to existing roads or streets, not including driveways? If so, generally describe (indicate whether public or private). No e.. Will the project use (or occur in the immediate vicinity of) water, rail, or air transportation? If so, generally describe. The site is adjacent to the Burlington Northern Railroad right of way on the east side of the site. f. How many vehicular trips per day would be generated by the completed project? If known, indicate when peak volumes would occur. There will not be any change as a .result of t ids project. g. Proposed measures to reduce or control transpor- tation impacts, if any: Not applicable 15. Public Services a. Would the project result in an increased need for public services (for example: fire protection, police protection, health care, schools, other)? If so, generally describe. No b. Proposed measures to reduce or control direct impacts on public services; if any. Not applicable_ 16. Utilities a.. Circle utilities currently available at the site: ec rici y, natural gas, rater (refuse service retephon,e,) sanitary sewer, epic sys em, o er. b. Describe the utilities that are proposed for the project, .the utility providing the service, and the general construction activities on the site or in the immediate vicinity which might be needed. No additional service will be required by this j p roj ect . C. Signature The above answers are true and complete to the best of my knowledge. I understand that the lead agency is relying on them to make its decision. Signature: Date Submitted: Evaluation for Agency Use Only J2S -/.5 -o • TO SE COMPLETED BY APPLICANT Evaluation for Agency Use Only E. SUPPLEMENTAL SHEET FOR ALL PROJECT AND NON PROJECT PROPOSALS The objectives and the alternative means of reaching the objectives for d proposal will be helpful in reviewing the aforegoing items of the Environmental Checklist. This information provides a general overall perspective of the proposed action in the context of the environmental infor- mation provided and the submitted plans, documents, suppor- tive information, studies, etc. 1. What are the objective(s) of the proposal? The objective of the proposal is to replace the existing anaerobic filter with a new two -stage tower aerobic filter system. The existing filter system is no longer adequate or repairable. It is necessary to replace the system and the proponent is proposing ,replacing the the system with the best economically feasible system, and will not increase capacity. 2. What are the alternative means of accomplishing these objectives? Refer to page 6 of 6 Engineering Report by 1 PEC -USA, dated May 2, 198s. 3. Please compare the alternative means and indicate the preferred course of action: See Item No. 2. IPEC CONSULTANTS INC. International Pollution and Environmental Control Mr. John Philips Philips & Wilson #555 -2001 Western Avenue Seattle, WA 98121 U. S. A. Re: Seattle Rendering /Environmental Checklist Dear 'John: May 14, 1985 RECEIVED CITY OF TUKWILA NAY 2 1 1985 BULLING UWI Subsequent to your telephone call today regarding Sections B2, B3 and B7, following are our comments: B2 AIR a) TYPES OF EMISSIONS No significant air emissions will occur during construction. In operation, maximum air discharge is 5000 CFM of wet scrubbed air from the aerobic BI0 -TOWER system. b) OFF SITE - SOURCES There are no uncontrolled off -site sources of emissions that may affect this proposal. c) CONTROL All air emissions will be collected and ducted through a wet scrubber system. This system also has provision for addition of chemical oxidants and /or odor control chemicals. (Note: This design is conservative in regards to air emission control given that conventional installations have uncontrolled air emissions and are operating successfully at hundreds of locations in the U.S.) B3 WATER a) TO SURFACE WATER 1) WATERBODIES - The site is approximately 100 yards (Note: John please verify) east of the Duwamish River. 2) SITE - No. P.O. Box 1607 • Vashon, Washington 96070 • • Mr. John Philips - 2 - May 14, 1985 B3 a) TO SURFACE WATER (cont'd) 3) DREDGING - N /A. 4) DIVERSIONS - N /A / =. 5) FLOOD PLAIN - (answer by others) 6) DISCHARGES - No. b) TO GROUND 1) DISCHARGES TO GROUNDWATER No water will be withdrawn from the ground. Water will be discharged to the groundwater only indirectly by percolation from subsurface soil absorption fields (see below B3.b.2). 2) DISCHARGES TO GROUND Discharges to the ground remain unchanged and consist of: i) approximately 100 gallons per day of domestic septic tank wastewater to a separate existing subsurface soil absorption field. ii) approximately 63,500 GPD pretreated industrial process wastewater and 1500 GPD cooling water to existing subsurface soil absorption fields. (John: You may or may not want to include a paragraph something like, "The existing plant (wastewater source) recycles and recovers waste animal by- products at approximately Lbs /day and employs approximately employees. ") The process water pretreatment facilities consist of: - fine screening - gravity clarification - equalization - pH adjustment - chemical coagulation - dissolved air flotation (stage 1) - proposed BIO- TOWER system - dissolved air flotation (stage 2) — sand filtration • 1 Mr. John Philips -3- May 14, 1985 c) WATER RUNOFF 1) RUNOFF Runoff from the plant is collected in sumps and treated through the process wastewater pretreatment facilities. 2) WASTE No. B3. d) CONTROL OF RUNOFF Runoff is collected and processing through the pretreatment facility as described in B3.c.1. B7 ENVIRONMENTAL HEALTH a) No 1) N/A 2) The proposed modification is a direct and timely measure to reduce a developing potential environmental health hazard due to physical deterioration of an existing portion of the wastewater pretreatment process (See letter, Dept of Ecology to Seattle Rendering dated APR 5/85). Action is required on an immediate basis. REFERRING TO SECTION A8: This section should include a reference to the Engineering Report prepared for the Department of Ecology by IPEC CONSULTANTS dated MAY 2/85 and the letter by the Department of Ecology to Seattle Rendering dated APR 5/85. REFERRING TO SECTION E2 and 3: If necessary refer for details to the above referenced engineering report section V. .../4 Mr. John Philips - 4 - May 14, 1985 I hope these comments are useful John, although we have not seen the draft of the environmental checklist prepared to date. Call us if we can be of further assistance. Yours truly, IPEC -USA INC. T. R. Irwin TRI /bf cc: SEATTLE RENDERING May 02, 1985 Mr. M. M.` Dawda State of Washington Department of Ecology 4350 -150th Ave N.E. Redmond, WA •98052 Re: Seattle Rendering Works - Proposed Wastewater System Modification Dear Mr. Dawda: Due to the urgency in making the modifications to our wastewater treatment system as discussed with you, we request to waive the three step submission of documents per WAC 173- 240 - 110(5). We are supplying however: 1) an overview and conceptual plan of the full, existing, multi -stage wastewater treatment facility. 2) a detailed engineering report on the proposed modification. 3) plans and specification of the proposed modification. Plans and specification information not included but required by WAC 173 -240 -140 and operation and maintenance information required per WAC 173- 240 -150 will be provided shortly. Structural: and geotechnical engineering are being performed by local professional consulting engineers (Harvey Dodd & Associates, Shannon & Wilson Inc., respectively). Process design and engineering reports are being done by consultants experienced in our industry (IPEC Consultants Inc.). Under WAC 173- 240 - 160(2), we request to waive the requirement for preparation of documents under consultants licensed per 18.43 RCW. We look forward to your cooperation in moving the approval process along as quickly as possible. Yours truly, SEATTLE RENDERING WORKS IPE.C•-IfS.A IPEC CONSULTANTS INC. International Pollution and Environmental Control May 02, 1985 ENGINEERING REPORT PROPOSED MODIFICATION: WASTEWATER TREATMENT FOR Seattle Rendering Works Inc. 5795 S. 130th Place Seattle, WA 98168 A) TYPE OF INDUSTRY The company is involved in animal by- product recycling. This includes the processing of waste products such as meat scrap, bones, offal, and restaurant grease. B) FINISHED PRODUCTS The final products are meat meal, tallow, and feed fat. C) i) PROCESS WASTEWATER: The quantity and quality of all process water are described schematically on enclosed drawing SE -SS -102. ii) DOMESTIC WASTEWATER: Approximately 100 gallons of domestic wastewater are discharged daily to a separate domestic septic tank and drain field. iii) NON - CONTACT COOLING WATER: Non - contact cooling water consists of approximately 1500 GPD and flows directly to the plant drainfield. iv) EVAPORATION LOSS: Evaporation losses amount to approximately 100 GPD from the wet scrubber and cooling tower. D) WASTEWATER CHEMICALS Wastewater chemicals are utilized for pH adjustment, coagulation, and flocculation as necessitated by the two DAF stages. These chemicals are sulphuric acid (10 GPD), sodium hydroxide (10 GPD), . aluminium sulphate (300 Lb /day), and two widely used polymers (CHITOSAN and POLYACRYLAMIDE, 3 Lb /day each). P.O. Box 1607 Vashon, Washington 98070 Telephone: (206) 292 -8198 - 2 - E) DESIGN DATA (EXISTING SYSTEM AND PROPOSED MODIFICATION) Complete design data on the existing treatment facility is not available, however this 10 -stage facility is fully explained in section (G) and associated drawing. The proposed modification is replacement of the existing anaerobic filter with a two stage BIO- TOWER system, the first stage of which is to be installed immediately dee to the physical deterioration of the anaerobic filter. The existing anaerobic filter had 7200 cubic feet liquid volume (20 hr retention time) when installed 12 years ago. Over the years this volume has decreased substantially due to gradual solids build -up. Under current conditions, the anaerobic filter is helping achieve (after subsequent solids removal by DAF and sand filtration) BOD5 reductions to 700 -1000 mg /l. When new, BOD results of less than 100 mg /1 were obtained. The design of the new BIO- TOWERS is being done to achieve results comparable to those with the original anaerobic filter (ie. 100 BOD). The first BIO -TOWER will be designed to achieve BOD5 of 375 mg /1. The second will reduce this to 100 mg /l. No additional treatment capacity is being proposed over the original system. The design was done based on well developed computer models of BIO -TOWER operation. This is substantially based on the formula: in Leo )= - KD x 1.035(T -20 °C) Q where Le = BOD5 of effluent Lo = BOD5 of influent t = influent temperature in °C D = depth of media in feet Q = raw hydraulic loading rate (gpm /ft2) K = treatability factor n = 0.65 .../3 Using the following data: Lo = 1500 t = 20 °C Q = (@ 63,600 GPD) = 0.11 gpm /ft2 K = 0.017 For one tower (D = 20 ft) then: Le = 368 mg /1 BOD5 For two towers (D = 40 ft) then: Le = 100 mg /1 BOD5. F) SITE SUITABILITY The site has been selected beside and on the existing anaerobic filter. This provides for adequate access and minimizes the repiping necessary. The site has been studied and found acceptable by our geotechnical engineers given proper placement of structural fill. G) TREATMENT PROCESS The full treatment process is shown on the enclosed schematic drawings SE -SS -101 and SE -SS -102. It consists of the following ten treatment stages: 1) Fine screening 2) Gravity clarification 3) Equalization 4) pH adjustment 5) Chemical coagulation 6) Dissolved air flotation ( #1) 7) Anaerobic filter (to be replaced by BIO -TOWER system) 8) Dissolved air flotation ( #2) 9) Sand. filtration 10) Subsurface disposal .../4 - 4 - General wastewater from the plant is collected in a sump, pumped intermittently at 100 gpm over a rotating fne screen (0.040 inch mesh), and into a gravity clarifier (140 ft surface), then pumped to a 30,000 gallon: equalization tank. Plant cooker condensate is pumped to the equalization tank directly as it contains low levels of gross suspended solids and free non - emulsified grease. pH adjustment is made automatically at the equalization tank. Wastewater is pumped at a cogtrolled constant rate to the #1 dissolved air flotation system (140 ft surface) where emulsified fats and solids are coagulated and separated. The wastewater then is pumped to the existing anaerobic filter system. The proposed modification is to pump to a two stage BIO -TOWER system described in detail below. Wastewater then is pumped to the #2 dissolved air flotation system for solids removal then on to filters for polishing prior to final in line aeration and discharge to the drain fields. The proposed BIO- TOWERS consists of conventional plastic high surface are trickling filter media (MUNTERS BIODEK MEDIA) stacked in a glass- coated steel bolt together trickling filter tank, (A 0 SMITH AQUASTORE TRICKLING FILTER SHELL). Liquid distribution is by a rotating distributer. Media wetting rate minimums are achieved by a recycle ratio of 3:1. A series of overflow sumps provides the necessary collection sumps for receiving, recycling, and discharge of final wastewater. Air flow is by concurrent ventilation powered by a centrifugal fan. This allows all aeration air to be collected and ducted through a wet scrubber. H) LAYOUT The wastewater treatment facilities are shown on the attached drawings SE -GA -302 and SE -GA -303. I) BYPASS PROVISIONS No wastewater bypass facilities are provided. J) ACCIDENTAL SPILL PROVISION AAll•plant areas. are.. sloped. to collection sumps "which are pumped to the wastewater treatment facility, K) RESULTS�EXPECTED The:results and wastewater characteristics expected at the point of discharge to the drainfields, after completion of the BIO- FILTER • system, are detailed in. section;:(E). • • 5 L) RECEIVING WATERS N/A M) OUTFALL ANALYSIS See section (L) below. N) RELATIONSHIP TO EXISTING FACILITIES See section (G) above. 0) MUNICIPAL SEWER SYSTEM N/A P) LAND APPLICATION Discharge of effluent is by subsurface soil disposal by drainfield. High levels of treatment within the soil have been confirmed by results of test wells placed in perimeter areas. The drain fields have been successfully used for many years. While engineering information on the soil is not available, the proposed modifications will be positive because of improved treatment levels of the wastewater prior to disposal. Q) ENGINEERING Trickling filters are among the most well established biological treatment methodologies for organic bio- degradable pollutants. They have proven adaptability to changing conditions characteristic of industrial applications, particularly since the development of plastic media with large surface and void areas. They are proven on similar wastewater (see attached paper). The design models have also been well developed. R) SLUDGE DISPOSAL Disposal of wastewater treatment sludge will continue to be both by assimilation in the rendering plant process and disposal to landfill. S) OPERATION The wastewater facilities will continue to be owned, operated, and maintained after construction by Seattle Rendering Works Inc. .../6 6/6 T) COMPLIANCE The facility will continue to comply with state, local, or federal water quality managements plans or Acts. U) FUTURE PLANS No future plans are committed. V) ALTERNATIVE PLANS Numerous alternative plans were evaluated, including: i) REPAIR OR REPLACEMENT OF ANAEROBIC FILTER: Repair is not feasible because of the need for continuous operation and the construction difficulties, costs, and time requirements involved. Space is . not available for the large space requirenent. ii) ACTIVATED SLUDGE: This was rejected due to high operational time requirements in this application, greater sensitivity to upset, larger power requirements, and larger costs. iii) AEROBIC STABILIZATION LAGOON SYSTEM: Space requirements were unavailable. iv) ANAEROBIC TREATMENT - SECONDARY: Anaerobic lagooning is not feasible due to space and odor concerns. Anaerobic tank construction required large space and capital investment. W) TIMETABLE Because of immediate availability and advance planning, the system can be in operation within 6 weeks of receipt of all necessary governmental approvals. Expected operation: JUNE 15/85. X) COMPLIANCE Seattle Rendering Works will continue to comply with the State Environmental Policy Act (SEPA) and the Natural Environmental Policy Act (NEPA), where applicable. • TREATMENT OF MEAT PACKING WASTE USING PVC TRICKLING FILTERS by Darrell A. Baker* and James White ** PROJECT DEVELOPMENT In the summer of 1968 Burns & McDonnell Engineerirg of Kansas City, Missouri was approached by Farmland Foods, a subsidiary of Farmland Industries, Inc., Kansas City, Missouri, a farmer owned cooperative, for the specific purpose of designing a waste treatment plant for our Denison, Iowa, pork operation. Several limitations account for this particular type of plant, but foremost was the land available for such a plant. In short, this plant was designed specifically for the minimal land available. Sbortly after the inception of the plan the Environmental Protec- tion Agency, then F.W.P.C.A. was approached for possible funding of the treatment plant construction. The construction phase of the project began in ,April, 1969 with E.P.A. participating in the pro- ject in the amount of $290,000. PLANT DESCRIPTION The plant is located N.W. of Denison, Iowa, which has a population of 6,500, and has the capacity to kill and dress 5,000 hogs per day. The hog cut operation generally accounts for about 40 percent of the kill plus two or three hundred head per day from our Iowa Falls plant. Processing as hams, picnics, bellies (bacon) accounts for about 46 percent of the 40 percent above. The following line diagram illustrates the breakaown: ILLUSTRATION I BREAKDOWN OF PLANT PROCESSES(lbs.) Kill Cut Processing! 1,000,000 400,000 184,000 hams picnics! bacon 38,640 14,720 27,600 600,000 (shipped) Rendering, Fat & Bones 7,700 *Farmland Foods, Inc., Denison, Iowa. **Allen Wymore, Burns & McDonnell Engineering, K. C., Mo. 289 • • The waste from the plant is typical of most packing house operations, having high BOD, grease and solids content, with variable pH and tem- peratures. The waste from the plant is collected in two main lines, one line accepting all wastes from the kill floor area except the scald tank; the other line accepting wastes from the hog pens, scald tank, rendering, blood drying operation, and the domestic waste. There is no cooling water entry into either line. Plant Units: The waste from the No. 1 main sewer line is pumped into an air flo- tation cell for pretreatment before going into the anaerobic lagoons. The grease removed from the flotation cell is sent back to be rendered and sold as brown house grease. The flotation effluent and the other sewer discharge combine shortly before discharging into the anaerobic lagoons which are operated in parallel. The anaerobic lagoons serve two functions, the first being biological treatment of the wastes and the second that of acting • as holding lagoons to distribute the flow to the filter plant evenly throughout the work week. The plant generally operates on a 5 or 6 day work week; for this reason an appreciable difference in flows may be noted on the weekends. The effluent from the anaerobic lagoons flows through a control valve which can be operated manually or automatically; then through a preaeration tank which serves two purposes; to control odors emanating from the anaerobic effluent, since the plant is relatively close to a residential area, and to supply a limited amount, of oxygen to the waste before treatment by the trickling filters. Presently a masking agent is being used intermittently to control odors in the anaerobic effluent. The preaeration tank effluent is then pumped to the trickling filters normally operated in series; then to the final clarifiers, and then to a chlorine contact basin for disinfection. Sludge removed from the final clarifiers is recycled to the anaerobic lagoons. i DESIGN CRITERIA A summary of design criteria for the treatment facilities is shown in Tables 1 through 8. -290 • • Table 1 Raw Wastes Criteria Hogs Killed Per Day 5,000 BOD Loading: 5,000 Hogs Kill at 4.3 pounds 21,500 lbs. /day Average Waste Flow: - Gallons per Hog 175 gal. /hog Gallons per Day . . . . . . . . ... . . . 850,000 gpd Maximum Daily Flow 0 1,000,000 gpd Beak Hourly Flow .. . . . . . . . . . . . . 1,500,000 gpd Table 2 Air Flotation Tank Design Criteria Diameter . . . . . . . . . . . . . . . . . . . . . 22' -6" Water Depth 12' -0" Hydraulic Rate . . . . . . . . . . . . ... . . . . . . . 1500 -gpm BODRemoval . . . . . . . . . .. . . . . . . . . . 40% Grease Removal . . . . . . . . . . ... . 85%. Table 3 . Anaerobic Lagoon Design Criteria Number of Cells 2 BOD Applied, lbs. /day 12,900 Design loading, lbs. BOD /1000 ft3 15 Water Depth, ft. 14 Surface Area, Total acres 1 97 BOD removal, percent '7-" 80 Table 4 Preaeration Tank Design Criteria Detention, minutes 0 30 • Volume of air, cfm 291. o • Table 5 Trickling Filter Design Criteria Number of Filters 2 Diameter, ft 39 Media Depth, ft. 22 BOD Loading, lbs. /1,000 ft.3 �_ 3 S 2., . c. z:. F Ta M,. 101 First Stage 1 Second Stage 3 31' Average . Hydraulic loading, gpm /ft.2 Surface Area 0.5 Recirculation None BOD Removal, percent (includes final clarifiers) 91 Table 6 Number of Clarifiers 2 26 N Diameter, ft. 7 Water Depth, ft Surface Settling Rate, gpd /ft.2 800 Weir Overflow Rate, gpd /ft. . . • . • . . . • . . . . . . 6800 r Final Clarifier Design Criteria \\ Table 7 Chlorine Contact Basin Detention, at average daily flow, minutes 4 Max. Chlorine Dosage Capacity, lbs. C12 /day 100 Chlorine Dosage Rate, ppm 10 Table 8 Treatment Plant Pumping Facilities Trickling Filter Pumps - Variable Speed: Filter No. 1: Number of Pumps ; 2 Rated Capacity, gpm.__ /700 Filter No. 2: f.i Number of Pumps l ! 2: Rated Capacity, gpm. 700 • Final Clarifier Sludge Pumps: Number of Pumps Rated Capacity, gpm. 292 2 85 ERAlb1+ 2 LEGEND �. OrtUt14M '111111* 111 St11[S, - ►IITEIS Ir PARALLEL $22131 tilt f. TI ::Altrc FILTER • ;I212024 /t11T ►LN ►S :AN "AST(* I'lt 12' +47 SRO III tl0Taf101 TANI FARY8ES1. INC. MAST( TREATMENT ►ICILITIES DEMONSTRATION GRANT PIIIECT IP10 111.01.11 5- 8 CUIIfIUI NCI MUM COMI/CE 5-5 .I TA11 • (Marl TO 111(1 Plt IUUAT101 5-1 111 rlsiff LCl44iI; sOC PUS Sall t111'1M0 MIMIC 5-2 -•5-4 - • S-' CUlIi1(1 10.E 5-7 5-9 BURNS & MCD)NNELL ENGINEERING CO. KANSAS CITY (1Th MISSOURI 5-9 J0• NO. $T•2$C4 Kano swum / or / wars • SmtCT . ltV. • Table 17 Summary of Raw Wastes Average of Percent of Design 1970 Data , Design BOD lbs. /day lbs. /hog Waste Flows: Gallons per day Gallons per hog Plant Data 21,900 4.3 20,752 6.0 850,000 1,123,247 175 325 9576 140% 132% 1867: Air Flotation Tank: This treatment unit • is generally considered to be an inplant recovery unit. However, analyses were run on the unit from June through Dec- ember to determine the performance of the unit. Since it was extremely difficult to obtain.a representative sample of the flotation tank influent, the results are somewhat limited In value. The main constituents removed in the flotation tank are BOD, COD, grease and solids. The annual averages are shown in Table 18. • Table 18 Dissolved Air Flotation Tank Performance Analysis Influent, ppm Effluent, ppm Percent Removal BOD 2624 1762 33 COD . 4591 4106 11 Grease 1484 559 62 Total Suspended Solids 2223 1507 32 Anaerobic Lagoon: The anaerobic lagoons performed very well during the test year. .The results.of,the annual averages of the more important parameters are shown in Tables 19 and 20. The performance of the lagoons were probably enhanced by the thick grease cover which acts as an insulator. The minimum temperature of 60 °F. of the lagoon contents occurred in December. The summer temperatures varied between 70 -75 °F. and the annual average was 69 °F. 302 The lagoons performed as expected, removing an average of 82 percent of the applied BOD even though the lagoons are loaded much heavier than design loading. Based on pounds BOD applied per day, the total organic loading averaged 24,940 pounds BOD per day,, Thus the lagoon }goading rate averaged 29.3 pounds BOD per 1000 ft. of lagoon volume. en compared to the design loading rate of.15 pounds BOD per 1000 eft. of lagoon volume, the lagoons are operating at a loading rate of 195 percent of design. ,fi IIf t is interesting that only 59 percent of the total suspended solids 'were removed by the anaerobic lagoons. Although the actual lagoon detention during the evaluation program was five days as compared, to an expected detention of 7.5 days, based on design hydraulic flows, one would expect a higher removal of suspended solids. As expected, much of the organic nitrogen was converted to ammonia nitrogen in the lagoons. The pH remained relatively constant during the year, averaging 7.0: . Table 19 Anaerobic Lagoon Performance Analysis 'Influent, ppm Effluent, ppm Percent Removal 710D 2635 477 82 396 1403 68 • FOD 4 Grease 485 106 78 Total Solids 4094 1955 52 Volatile Solids .2112 663' 69 Total Suspended Solids 1402 579 59 Organic Nitrogen (N) 95.9 42.1 -- Ammonia Nitrogen (N) 42.5 121.6 Sulfates -- • 38.9 -- Hydrogen Sulfide Trickling. Filters: . The trickling filters were operated in series during the entire pro- gram since parallel operation did not provide sufficient hydraulic loading. The performance of the trickling filters are shown in Table 21. 4.6 303 Table 20 Anaerobic Lagoon Influent, BOD Domestic + Air Flotation Tank Effluent PPm onth . Hsth: Low •. Average. High 'eb 70 5.9:50-: 3836 4868 49,394 Mar.., 70 3406 1648 2392 29,007 13,381 :,.Apr., 70 5263 2760 3340 45,962 21,903 .1May, 70 4645 2986 3830 39,760 25,560 une, 70 2780, 1295 2102 25,751 13,355 1.04, 70 2130.;.. 1260 1672 19,049 12,198 .l.A0g,.:, 70 3521 1370 . 2176 37,170 12,725 Sept., 70. 4149 1013 2440 39,905 10,415 -00., 70 2265: 818 1453 22,087 7,977 Nov., 70 .2520. 2251 2386 26,078 22,094 Dec..• 70 • 2041 1421 1731.. 18,206 14,197 lbs. Low 31;791 Average 2635 • Final Clarifier .Sludge Return Average lbs. Hi 40,346 770 50, Anaerobic Lagoon Influent, lbs. Rh Low 'Ave:rage: 164 32,561 44.116 21,123/ 770 29,773 14,151 21,893 46,732 22,673 34,234 40,530 26,330 36,823 770 26,521 14,126 20,700 33,464 770 36,053 . 770 19,930 14,9.78 770 19,549 12,968 15,748. 21,985 .770 : 37,940 13,495 • 22,755 23,5P9 770 - 40,675 11,185 24,369 14,103 770 • 22,857 8,.747 • 10,873 24,086 770 26,848 :22,864 24,850 16,201 770 • 18,976 . 14,967: 16;971 24,169 24,939 • Table 21' • Trickling Filter Performance Trickling Trickling Final - Total Filter Filter Clarifier Percent Analysis Influent, ppm Effluent, ppm Effluent, pga Removal Dissolved Oxygen 0 2.3. 3.9 - -- BOD- 477 . 296 124 74 COD 1403 1010 372 73 • Grease 106 73 33 69 706 354 47 Volatile Solids 663 Volatile Suspended Solids 418 443 83 80 Total Suspended Solids 579 602 108 80 Organic Nitrogen (N) 42.1 • 41.1 21.3 49 �- Ammonia Nitrogen (N) 121.6 103.2 100.0 18 Nitrate Nitrogen (N) 9.3 25.2 15.1 Sulfates • 38.9 64.3 63.7 Hydrogen Sulfide 4.6 0.2 0 100 ,� Total Phosphates 53 52 53 0 The efficiency of the trickling filter system was not as good as anticipated. It was hoped that the trickling filters would remove approximately 90 percent of the applied organic loading. However, the demon organic loading was 2580 pounds BOD per da�+�whereas . the actual organic loading was 3850 pounds BOD per day during the test ear or 150. percent of esign loading,. This results in an overall loading rate of 73.4 pounds of BOD per 1000 cubic ft. of filter media. The hydraulic loading rate during the evaluation program averaged 0.79 gPm per ft.2 surface area, The design _ hydraulic :oad ng. rate vas 0.5 gpm per ft. of surface area, or 158% overloaded. The;.filter provided ample aeration to the wastes, with the dissolved oxygen in the filter effluent averaging 3.9 ppm. OPo.t'. /2%,r1 O ✓4 L =;cetera `removedlOQpercent of ;the hydrogen. sulfide present, .but did "Ilot TemoVe:anyAppOsOhates, with approximately 53 ppm being in thefinal: clarifier effluent. The filters and clarifiers provided good grease removal, but still discharged an effluent with an average of 33 ppm grease. Several aolids;.. analyses . were .run on the final clarifier sludge. These analyes :are'shownr n1Table 22. It was hopeful that some 305 Table 22 Trickling Filter Sludge Solids Analyses, ppm Total Fixed Volatile ..-- Suspended Solids 0 Dissolved Solids Date Sollids Solids Solids Total. Fixed Volatile Total Fixed Volatile / 7/17/700 -6696 2418 4276 5422 1358 4064 1274 1061 '213. 8/11/70: 2659 1769 890 1424 792 632 1236 977 259 9/10/70 • 10,439 • 2375 8064 9183 1388 - . 7795 1256 987 269 1/24/70 6284 2365 3919 / 4988 1289 3699 1296 1075 221 • •' 1/26/70 5762. • ' 2486 .. 4276 . 5472 •. 1428 .. 4044 .`1290 • 1058 232 1/27/70 6950 . ..25.42 4408 5633 1463 4170 1317 1079 238 Average 6632 • •• 2326 4306 5354 1286 4067 .1278• 1039 239 • !. Correlation could be obtained between the applied BOD and solids produced. Npwever, in comparing the suspended solids in the filter inOuenvwitiv'the suspende4 solids in the final clarifier effluent and sludge, little correlation can be made. Table 23 shows the Pilo0AsOr:au-spended.solids=per,day in the various waste streams. isevidaA from Table 23 that the average suspended solids loading discharged to the.filters.was 5340 pounds per day, whereas, the total, pounds of suspended solids removed as sludge and discharged .in the clarifier effluent-averaged 5577 pounds per day, for a net gain in suspended solids of 237 pounds per day. • ( Table 23 Suspended Solids. Lbs. Per Day Trickling Final Final Filter Clarifier Clarifier Influent. Effluent Sludge_ Month January February. 2120 473 March '11527 473 • April 3527 512 Hay -2442 813 June • 3430. 457 July 2948 663 August' 6193 558 September 8204 886 October 8650 904 November 6404 1350 . . • December '13,487 T 1355 Average 5340 . 767 4810 Chlorine Contact Basin: Thechlbrine-contact basin was designed for disinfection of the final:iffrOent, however, the analyses show that some BOD and sus- pended'abrids- were also removed in the chlorine contact basin. Table'24 shows the performance of the chlorine contact basin. • - •,„ • - • - - .•••• • • • • • Table 24 Chlorine Contact Basin Performance Analysis Basin Basin Percent Influent, ppm* Effluent, ppm* Removal BOD 124 61 51 COD 372 371 0 Grease 33 17 49 Volatile Solids 354 348 2 Volatile Suspended Solids 83 68 18 Total Suspended Solids • 108 90 17 Chlorine, Total 7.7 1.3 Coliforms (per 100 ml)`' 35,300,000 1513 99.99 *Except Colitorms • In studying the BOD analyses of the chlorine contact basin's influent and effluent, it may be that the chlorine affected the BOD test of the final effluent. Even though the proper procedure for dechlor- ination was followed in accordance with Standard Methods, 7.7 ppm of chlorine can not oxidize 63 ppm of BOD. Table 25 gives the monthly chlorine usage and coliform destruction through the chlorine contact basin. • Excellent disinfection was accomplished during the year. It is evident from the data that. the mairity of the available chlorine was immediately tied up as combined chlorine. This would certainly be expected with such high ammonia nitrogen concentrations in the waste stream. Summary of Treatment Plant Performance: Table 26 summarizes the average efficiency of each plant unit. Table 26 Plant Efficiency Percent Removal Analysis BOD COD Grease Suspended Solids Coliform Dissolved Air Flotation Tank 3.3 11 62 Anaerobic Lagoon 82 68 78 Trickling Filters 74 73 69 Chlorine Contact Tank 51 0 49 To ta+1P1antRemoval -, Excluding Dissolved Air F1'otation 'Tank 9�7' 4 91`..5• 96;.5 32 59 80 17 99..99 • • The suspended solids concentration in the final clarifier effluent averaged 108 ppm during the evaluation program. Further reduction of suspended solids and BOD within the clarifiers would be` extremely difficult to:'ob- tain at such high hydraulic loading rates unless chemical coagulation facilities are added ahead of the clarifiers. Another factor which may be affecting the settling characteristics of the solids is the grease concentration in the trickling filter effluent. The filter effluent averaged 73 ppm of grease. It may be that the grease tended to adhere to the solids and change their specific gravity. This would create a light sludge with poor sludge settling characteristics. Flotation of solids and grease is apparent in the basins. Although skimming is provided on the final clarifiers considerable solids are being discharged in the effluent. Another possible cause of poor solids settling characteristics is that denitrification is occurring in the basins. Although the nitrate data is limited and quite variable, the trend indicates that denitrification is occurring. Based on the above discussion, it is apparent that the extremely high organic and hydraulic loading rates above what was anticipated has contributed to the reduction in expected plant. efficiency. The anaerobic lagoon and trickling filters operated very well under these extreme conditions. However, the data indicates that the final clarifiers were greatly affected by the high hydraulic loading rates and by some constituents in the waste stream. • Certificate cuea Seattle Rendering P.O. Box 58368 Seattle, WA 98188 REPORTON PERIMETER TEST HOLES LABoRATooly No 88283-1 DATE IDLE TWCATIO,. Submitted 1/25/85 and numbered 1 and 2 TESTS PERFORMED AND RESULTS 5 -day Biochemical Oxygen Demand, parts per million (mg /L) Key L/ = less than JMO:veg 1 L /10. 11. Feb. 1, 1985 Respectfully submitted, Laucks Testing Laboratories, Inc. M. Owens rapbrt is Robin/nod for Owro odull t 001 Wino petacin.'Vorinaroldp. or corponion to whom 1 .qu—t twatihiminvol Oda eanpiny soy • -- mw.baralll. wolf inmr or►lillOw. M a ld* r" itoy➢ wduU' a► veoe. s. rMwanladonlyonoo. ttaot' 111+mnpnyimpsao..pmaiDi•ty.ac.A *Om dos i.-..._.c cr anion tnA!oi.ai. sn good t,G and . _ ... a000r� rip o iw rtirc �l th.'trd. and a' +l�r:s C IPEC CONSULTANTS INC. International Pollution and Environmental Control -USA' December 14, 1983 Mr. Herb Sorenson Mr. Wes Benefiel Seattle Rendering Inc. P.O.Box 58368 Seattle, Wa. 98188 Dear Herb and Wes; As indicated in our letter of October 24, we have included our response to your requests as follows. A special thanks to Klaus, who was most helpful to us in sampling and chasing data and information. Lee Johnson will also be responding with his comments, an economic review, and data on the Metro sewage system, including costs of connection, high strength charges, volume charges and their net - present - values. You asked us to "analyze the requirements and make recommendations as to the best replacement water treatment system for the existing anerobic filter system ". A short sampling program was initiated to confirm the nature and volume of the wastewater. That data is presented in Appendix I. , The data collected generally confirmed the similarity of Seattle Rendering wastewater to other rendering operations, including the wide fluctuations normally experienced. The information in, APPENDIX I and data from other rendering operations was utilized to develop design input data. The data in APPENDIX I generally reflect the normal wide variations in individual grab samples: Examples: Untreated wash water BOD 18,200 mg /1 Raw condensate BOD 2500 - 5000 mg /1 DAF I Effluent BOD 2000 - 5200 mg /1 DAF II Effluent BOD 600 - 1400 mg /1 (The only grab sample outside the "normal" range is the one anaerobic filter discharge at BOD = 100 which may be an error, or an "extra -wide" fluctuation.) Rt. 5, Box 276 • Vashon, Washington, 98070 • Telephone: 12061567 -5150 Howeverethe composite samples, pSicularly the hourly samples, give important averaged values: DAF I Effluent (12/2/83) BOD 2500 mg /1 SS 1200 mg /1 FOG 340 mg /1 The averaged samples of condensate were lower than expected on the basis of some of the grab samples. This may be due to periods of relatively "clean" condensate flow due to operating conditions at certain times. The main water sources were investigated and the volumes estimated on the best available information as detailed in APPENDIX I. This resulted in an estimated 53 gpm average flow estimate and a 77 gpm "high- flow" estimate. These would represent 63,600 and 92,400 gpd on a twenty -hour per day basis. The 63,600 gpd figure is probably a good average flow estimate for current operations. Based on this information, and experience from other rendering operations, as well as information provided by yourselves, the following conservative design input will be utilized to compare some possible treatment options. INFLUENT EFFLUENT REQUIRED FLOW 100,000 gpd BOD 2,500 mg /1 BOD 30 mg /1 COD 5,000 mg /1 COD 150 mg /1 SS 1,200 mg /1 NH3 NITRIFICATION NOT REQUIRED DESIGN APPROACH The design approach, based on the above data and on experience, will be to utilize primary anaerobic treatment for the relatively high strength waste. This is also the most efficient area for use of anaerobic treatment. This will be followed by reaeration of the water prior to a full aerobic treatment system. The anaerobic and reaeration treatment system will also act to provide flow equalization for the following aerobic system. The final treatment will continue to be DAF and filtration. The features of this IPEC design concept are: 1) Utilizes anaerobic primary treatment (low energy, low sludge .production) to reduce size, energy requirements, and sludge production of aerobic plant. 2) Utilizes •robic treatment for hijIlefficiency and high effluent quality requirements. 3) Utilizes as much existing equipment as possible. Following the anaerobic treatment, a variety of secondary treatment options were reviewed and evaluated. A brief description of these various options follow. OPTIONS: The influent to the following systems is expected to be as follows: BOD 1500 mg /1 COD 3000 mg /1 SS 400 mg /1 The following compares the equipment and horsepower requirements of the options considered. 1) BIO- OXIDATION TOWERS (TRICKLING FILTERS) Two towers in series , each with a diameter of 33' and height of 26', each with a media surface area of 560,000 ft Horsepower requirements: 30 hp 2) ACTIVATED SLUDGE PLANT To accomodate practical reaction rates, rendering plants utilizing activated sludge processed use aeration basins with total hydraulic retention times from 0.75 (eg. Rothsay Concentrates) to more than 4 days (eg.J.0. Ryder). Good performance has been achieved at approximately 1.6 days. This requires two aeration basins each with a volume of 80,000 gallons,a diameter of 30',and a height of 15'. Horsepower requirements: 50 hp 3) AEROBIC STABILIZATION LAGOON SYSTEM (DPMC) High efficiency dual -power level, multi - cellular lagoon system allows high quality effluent in a series of four lined cells: Cell No. 1: 36' x 36' x 10' deep Cell No. 2: 100' x 100' x 2' deep. Horsepower requirements: 65 hp • 4) ANEROBIC TREATMENT SYSTEM - SECONDARY A) Anaerobic packed towers at 25 degrees C. Two in series. Sized at 30' diameter, 20' height, and 1.1 million Ft2 (total), will achieve BOD of 200 mg /1 Horsepower requirements: 30 hp B) Anaerobic lagoon with flexAble cover 60' x 80' x 15' deep at 17.5 #BOD /1000 ft @ 25° C. Final BOD achieved 300 mg /1. Horsepower requirements: NIL RELATIVE BENEFITS AND COSTS OF VARIOUS OPTIONS Each of the above options has advantages and disadvantages. They are discussed below together with an estimated "total system cost" which includes the option being considered. 1) BIO- OXIDATION TOWERS (TRICKLING FILTERS) This method is a very well established treatment system. They have good stability when exposed to changing load conditions. Their most popular application has therefore been as a "roughing" primary stage. Other advantages are low maintenance, low power requirements, and a minimal labor requirement. Recent utilization of plastic media has increased efficiency and dramatically reduced size requirements. The main disadvantage is cost. Total System Estimated Cost $450,000. 2) ACTIVATED SLUDGE SYSTEM Activated sludge plants are by far the most wide - spread aerobic biological treatment system used today. More data and experience is available for this type of plant than for any other. They suffer from being easy to upset, and .generally require close monitoring (labor- intensive) in a rendering plant application. They also need considerable time to recover from upsets. Total System Estimated Cost $375,000. • • 3) DPMC LAGOON SYSTEM This is the modern adaptation of conventional aerated lagoon systems. In this application the power requirement is high and space requirements eliminate its practicality. Costs generally run about 60% of Activated Sludge systems. 4) ANAEROBIC TREATMENT — SECONDARY A) Anaerobic Packed Tower This is a comparitively high efficiency anaerobic treatment system utilizing plastic media to give very high surface area and open area. Total hydraulic retention time of 2.2 days would give BOD effluents of 200 mg /1. Advantages are low power requirements and low sludge production. Odors can be easily contained with this type of system. Cost is the biggest disadvantage, given the effluent quality. Total System Estimated Cost: $350,000. B) ANAEROBIC LAGOON WITH FLEXIBLE COVER This is a conventional anaerobic lagoon covered for odor control and collection of gases. Advantages are simplicity, low cost, and low sludge production. Odors and the flexible cover are possible problem areas. Total hydraulic 3retention time of 5.4 days (and 17.5 lb BOD /1000 ft ) would give 300 mg /1 BOD effluents. In this application where above ground tankage is preferred, space and cost of tankage (and covers) become very high. Costs have not been estimated. • • As quickly as you've had time to digest this information, we'd like to meet with you and Lee Johnson to discuss the next steps to be taken. If you have questions in the mean time, please call. very truly yours, IPEC CONSULTANTS INC. Thomas R Irwin 14520 Phi ip G. Peterson /pc • • APPENDIX I SUMMARY OF VOLUME AND POLLUTANTS. A series of grab and composete samples were taken. The results are as follows. SAMPLES: Nov. 21/83 - grab samples - 11:00 AM BOD S.S. FOG pH 1) Anaerobic filter discharge 100 6.7 2) DAF #2 Effluent 600 4.0 3) DAF #1 Effluent 5,200 7.4 Nov. 22/83 - The entire system was flushed of accumuluated solids. Nov. 23/83 - Composite Samples - 1 every 3 hours mixed for 9 hours 5) DAF #1 Discharge 2,400 19 4.8 9) Condensate Sump 2,500 110 9.7 Nov. 26/83 - Grab Samples - Running Fish - 11:00 A.M. 11) DAF #1 Effluent 2,000 82 15 6.1 13) DAF #2 Effluent 1,400 32 13 6.8 15) Condensate Sump 2,700 88 270 9.9 Nov. 29/83 - Grab samples - 9:00 A.M. cl) Condensate Sump - filtered 4,000 c2) Condensate Sump -Coag. & Filtered 4,200 c3) Condensate Sump -Raw 5,000 c4) General Flow Sump -Raw 18,200 c5) General Flow Sump - Filtered 5,700 c6) General Flow Sump -Coag. & Filtered 5,500 December 2, 43 - All night hourly comp3sites 20) DAF 11 Effluent 2500 1200 340 5.9 21) CONDENSATE SUMP 1400 770 410 9.4 WATER VOLUMES. Water Sources were investigated. Condensate - May be calculated from product capacity - Max.fish 12 ton /hr (to 288 ton /day) at 75% moisture = 9 ton /hr water = 36 GPM - Max. meat 16 ton /hr (to 384 ton /day) at 50% moisture = 8 ton /hr water = 32 GPM - Average 10.5 ton /hr product (210 ton /20hr day) = 21 GPM. AVERAGE HIGH CONDENSATE 21 GPM 36 GPM CLEAN -UP 21 GPM 30 GPM SCRUBBER 5 GPM 5 VENTURI 6 GPM 6 GREASE ROOM NIL COOLING TOWER N/A TOTAL 53 GPM WORKING 20 HRS 63,600 WORKING 24 HRS 76,300 77 GPM 92,400 111,000 TI Q 33:1■0,II413:8CEiE Pm -Tp M. BOTCH ASSOCIATES, INC. 11000 MAIN STREET August 27, 1982 Lee Johnson Food, Chemical and Research Laboratory 4900 — 9th Ave. NW Seattle, WA 98107 Dear Lee: BELLEVUE, WASHINGTON 98004 TELEPHONE (206) 682 -5300 Enclosed is the capital cost update for the Seattle Rendering Works' Sewer Alternatives you requested. These cost estimates were based on two sources of information: 1) the Dodge Public Works and Heavy Construction Cost Guide; and 2) Contractor's Estimates. If you have questions or need additional information regarding this matter, please contact us. Sincerely yours, PHILIP N. BOTCH & ASSOCIATES, INC. n Stemkoski Enclosure cc: Document No. 37.32 JS /jkc SEATTLE RENDERING WORKS' SEWER ALTERNATIVES CAPITAL COST ESTIMATES ROUTE I ESTIMATED DESCRIPTION QUANTITY, UNIT COST TOTAL COST Mobilization 1 LS $ 7,500.00 $ 7,500.00 6' Ductile Iron 2,650 LF 19.71 52,231.50 Force Main 6' Ball Joint 170 LF 200.00 34,000.00 ' Ductile Iron (River Crossing) Pump Station 1 LS 50,000.00 50,000.00 Sampling Station 1 LS 5,500.00 5,500.00 TOTAL $149,231.50 ROUTE 1I ESTIMATED DESCRIPTION QUANTITY, UNIT COST TOTAL COST Mobilization 1 LS $ 7,500.00 $ 7,500.00 6' Ductile Iron 1,300 LP 19.71 25,623.00 Force Main 6' Ball Joint 150 LF 200.00 30,000.00 Ductile Iron (River Crossing) Pump Station 1 LS 50,000.00 50,000.00 Sampling Station 1 LS 5,500.00 5,500.00 TOTAL $118,623.00 Document No. 37.32 R. TECHNICAL 20 - 124th N.E.. BUILDING C 106 • BELLEVUE. WASHINGTON 98005 • 1206) 883 -2488 November 3, 1980 Washington State Department of Ecology 4330 150th N.E. Redmond, Washington Attn: Mike Dawda Dear Mike: This letter will confirm our recent conversation concerning the expansion plans of the Seattle Rendering Works with regards to their waste water disposal system. As you know the Seattle Rendering Works Inc. occupies a tract of land contiguous to the Duwamish River at Tukwila, Washington. This land is not sewered so the Rendering Works disposes of its waste water via an extensive drain field. The Department of Ecology with the view to upgrading the Duwamish Rivers organic loading has been concerned with the Rendering Works present treatment system to adequately remove the suspended solids, oil and grease from the waste water. Recognizing the problem and anticipating the need for additional treatment and disposal facilities for future expansion the Rendering Works has retained FCR Technical to coordinate these activities and assist in their design. A comprehensive plan has been developed for the building of a 150 gpm waste water treatment plant utilizing pooled storage, top bottom skimming, air flotation, anaerobic digestion and sand filtration to achieve minimum suspended solids and oil and grease discharge into the drainfield. A schematic of this facility is attached. Equipment is being ordered and the new disposal . plant is expected to be fully operational by 6/30/81. Earlier this year the Rendering Works retained the Geotechnical Engineering firm of Shannon and Wilson to make a complete subsurface soil condition survey as there was indications that the capacity of the existing drainfield was being approached. Their remarks on Subsurface Conditions, Subsurface Explorations and Laboratory Testing are as follows: Page 2 SUBSURFACE CONDITIONS The results of the subsurface explorations show that the site is underlain by two basic natural soil units to a depth of at least 25 feet. Flood deposited silt and fine sand mantles the site. These fine - grained materials are underlain by black alluvial sand of coarser texture. SAND and SILT - From the surface to a depth of between about 4 and 10 feet a flood -plain deposit of light brown, fine sand and silt was encountered. It is in this fine grained material that most of the existing drainfield is situated. Grain -size distribution curves of selected samples are shown on Figure 12. Alluvial SAND - The sand underlying the flood plain deposits is generally black, fine to medium grained and contains variable amounts of silt. Grain - size distribution curves of selected samples from this unit are shown on Figure 13. Groundwater - Groundwater was encountered in each of the borings. The depth of groundwater ranges from 13 to 16 feet below the ground surface. Water levels measured on 20 May 1980 are shown on the boring logs. SUBSURFACE EXPLORATIONS Exploration of the subsurface soil conditions in and adjacent to the existing drainfield was conducted in two phases. The first phase employed a.backhoe provided by P. & K Enterprises to excavate 10 test pits in the area on 5 May 1980. The purpose of the test pits was to obtain samples of the materials in and below the drainfield for laboratory testing and to visually observe the condition of the drainfield soils and distribution system in selected areas. We were assisted by Mr. Lee Johnson of FCR Technical in locating the test pits. The test pits were sampled and logged by Mr. Steve Bruce, Geologist with Shannon & Wilson, Inca Phase 2 explorations consisted of 10 borings varying in depth between 24 and 26.5 feet. The borings were drilled by Rainier Explorations of Milton, Washington, on 16 and 17 May 1980, using a truck - mounted hollow stem auger drill rig. The purpose of the borings was to provide information on site soil and groundwater conditions beyond the depth capability of a backhoe. Samples were obtained in the borings at 2 -1/2 foot depth intervals using a split barrel sampler. In each boring an observation well was installed to allow monitoring of the groundwater level. All borings were logged by Mr. Ron Free, Geologist with Shannon & Wilson, Inc. The locations and elevations of the borings and test pits were approximately determined using a tape and hand level referenced to existing features and an assumed elevation. These approximate locations are shown on the Site Plan, Figure 1. The test pit logs are presented on Table 1. The logs of borings are shown on Figures 2 through 11. Page 3 LABORATORY TESTING Laboratory tests were performed primarily on samples taken during the Phase 1 site explorations at the request of Mr. Lee Johnson. The purpose of the testing was to provide data on the site soils which relate to on -site disposal of wastewater. The following paragraphs summarize the procedures used for testing. Visual Classification - All samples were classified in accordance with ASTM Designation D2488 -69 (Reapproved 1975), Description of Soils (Visual Manual Procedure). Natural Moisture Content - All natural moisture content determinations were performed in accordance with ASTM D2216 -71, Laboratory Determination of Moisture Content of Soil. Soil pH Determination - Soil pH was determined for selected samples by mixing equal volumes of soil and distilled water then measuring the pH of the resulting mixture using a calibrated pH meter. The results are shown on Table 1. Sieve and Hydrometer Analyses - Mechanical analyses were performed in accordance with the Department of the Army Manual of Laboratory Soils Testing, Appendix V, Grain Size Analyses. Both sieve and hydrometer analyses were performed on all samples selected for grain size analysis unless the sample had less than 10% passing the No. 200 mesh sieve. Organic Content - The organic content of selected samples was determined by weighing oven dried samples then burning the soil with a torch. The resulting weight loss is expressed as a percentage and is tabulated on -the Test Pit Logs Table 1. The relatively low percentages are believed to be the result of high moisture content within the organic portion of the samples. This moisture within the organic portion would have been lost during the oven drying of the sample. A state plan together with the boring logs and test pit grain size classifi- cation charts are attached. As the capacity of the present drainfield is being approached at the present waste water discharge rate of 70,000 gal /day, they recommend that a supplemental drainfield be established as shown on the site plan. Their recommendations are: RECOMMENDATIONS 1) In our opinion, development of a supplemental drainfield system to discharge wastewater on -site, combined with additional wastewater treatment, is feasible for providing a waste water disposal system. Two drainfields with separate supply controls are recommended. Each field should have a bottom area of. 10,000 square feet. We understand that you are in contact with the various permitting agencies and will obtain the required permits for establishment of the system. If desired, we would assist you in your efforts to obtain such permits. The following guidelines are provided for the development of such a system. Page 4 a). We recommend that two areas, each having a bottom surface area of 10,000 square feet, be excavated down to the alluvial sand and the excavated material set aside. The bottom surface area recommenda- tion is based on the assumption that the undisturbed sand can transmit a minimum of 2 -1/2 gallons per square foot per day of clear waste water. All of the fine sand and silt unit should be removed during excavation. The depth of the bottom of the excavations could vary between 6 and 12 feet based on the subsurface exploration data. The area outlined on Figure 1 shows potential for development. b) The bottom of each excavation should be observed by our representa- tive to determine whether silty soils of lower permeability are present. Such silty soils should be removed where practical and replaced with clean sand. Prior to placing fill, the bottom of the excavations should be raked to loosen the soil compacted by the excavation equipment. c) The grade of the bottom of the excavations should then be raised to a depth of about 5 feet below the present land surface. This may be accomplished by importation of clean sand satisfactory to us or by use of clean alluvial sand taken from the area next to the excavation. d) The bottom should then be leveled and raked again to loosen the soil compacted by the excavating equipment. A two foot thickness of clean washed drainage gravel varying in size between 3/4 and 1 -1/2 inches should then be placed on the bottom of the excavations. A distribution system consisting of rigid perforated 4" diameter PVC pipe should then be installed on top of the gravel. Distance between laterals should not exceed 6 feet. g) Following installation of the piping one .additional foot of gravel should be placed to cover the pipes. The upper few inches should be pea gravel to minimize the possibility of tearing the semi- permeable membrance. This gravel should be covered with a semi - permeable membrane paper to prevent migration of top soil into the drainage blanket. h) The excavated sand and silt should then be replaced over the area and the area regraded. Suitable grass could then be planted to stabilize the area and reduce potential odors. j) Provision of a separate supply control system for each of the two fields will allow one field to be rested while the other is operating. Page 5 The south westerly edge of this drainfield will be approximately 100 feet from the banks of the river and is the only area on the property with soil conditions suitable for handling this effluent. Construction of this new drainfield can commence as soon as your department provides the necessary approval. Please let me know if their are any questions. Yours very truly, F.C.R. TECHNICAL E.L. Johnson ELJ /mem CONSULTANTS William L. Shannon. P.E. Stanley D. Wilson, P.E. awn pp SHANNON & WILSON, INC. Geotechnical Consultants 1105 North 38th.Street • Seattle, Washington 98103•Telephone: (206) 632- 8020•Cable: GEOSAW W-3709-01 13 June 1980 Seattle Rendering Works 5795 South 130th Place Seattle, WA 98166 Attn: Mr. Wes Benefiel, President SUPPLEMENT TO GEOTECHNICAL REPORT, WASTEWATER DISPOSAL PROBLEM, SEATTLE RENDERING WORKS In accordance with Mr. Lee Johnson's request on 6 June 1980, this letter supplements our report dated 28 May 1980. During his telephone conversation with Mr. Dexter McCulloch of our firm, Mr. Johnson asked our opinion regarding the length of time the drainfields proposed in our report could be expected to function if only clear fresh water were discharged into them. Mr. Johnson then asked the same question stating that filtration systems would be installed to process the wastewater prior to disposal in the drainfields to remove all suspended solids and all oil and grease leaving no more than 300 parts per million of soluble organic waste in the water. Our opinions with regard to these questions are based on the assumption stated in our report that the drainage capacity of the site material will equal or exceed 2 -1/2 gallons per square foot per day. If clear fresh water is discharged to the proposed system, the system should, in our opinion, function considerably longer than the previous drainfield system. If prior to disposal within the proposed drainfields the wastewater is filtered to remove all suspended solids and all oil and grease leaving only 300 parts per million of biodegradable soluble organic materials, the system should be expected to function much longer than the previous drainfield system. The soluble organic materials should have no tendency to produce slime. No chemical additives with a tendency to inhibit the rapid degradation of the organics or with a tendency to precipitate solids within the natural soil materials should be present and /or introduced to the wastewater. Earl A. Sibley, P.E. • Walter L. Wright, P.E. • Raymond P. Miller, P.E. • David E. Hilts, P.E. • Derek H. Cornforth, P.E. M. Mike Alizadeh, P.E. • Rohn D. Abbott, P.E. • Robert J. Deacon. P.G. • George Yamane, P.E. • Maurice D. Veatch, P.G. e. •.� _ o... ,....w - r. 1 _.. :_ - "- -•-- • • Seattle Rendering Works Attn: Mr. Wes Benefiel, President 13 June 1980 Page 2 W- 3709 -01 We trust that this supplemental information meets your current needs. Should you have further questions please do not hesitate to call us. Sincerely, Dexter McCulloch, C.E.G. Associate Geologist Maurice D. Veatch, C.E.G. Divisional Vice President DMc /abv cc: Lee Johnson