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SEPA E01-014 - CITY OF TUKWILA / PUBLIC WORKS - SOUTH 134TH STREET CULVERT REPLACEMENT
CULVERT REPLACEMENT PART OF 2001 SMALL DRAINAGE PROJECTS S. 134T" ST. BETWEEN S. 133RD ST. & 48T" AVE. S. E01 -014 Dept. Of Community Development City of Tukwila AFFIDAVIT OF DISTRIBUTION -T, L S __- /,E HEREBY DECLARE THAT: Notice of Public Hearing y Determination of Non - Significance Person requesting mailing: Notice of Public Meeting Mitigated Determination of Non - Significance Board of Adjustment Agenda Pkt Determination of Significance & Scoping Notice Board of Appeals Agenda Pkt Notice of Action Planning Commission Agenda Pkt Official Notice Short Subdivision Agenda Notice of Application Shoreline Mgmt Permit Notice of Application for Shoreline Mgmt Permit __ __ FAX To Seattle Times Classifieds Mail: Gail Muller Classifieds PO Box 70 - Seattle WA 98111 Other Was mailed to each of the addresses 7 i sted on this 24171*. day of) 014E- in the year 20 C F P:GINAWYNETTA/FORMS /AFFIDAVIT -MAIL 08/29/003:31 PM Project Name: S /35/'x' Sne.e.Er 6'tuLvvmr )2EPL,4c .EM /i Project Number: E 01 — p Mailer's Signature: Person requesting mailing: P:GINAWYNETTA/FORMS /AFFIDAVIT -MAIL 08/29/003:31 PM HOLA ®AY -PAS, INC. INNOVATIVE • COMPETITIVE • RESPONSIVE Michele Evans Human Resources Manager e -mail: michelee@holadayparks.com WA 4600 South 134th Place, Seattle, WA 98168 P.O. Box 69208, Seattle. WA 98168 -9208 (206) 248 -9700 • Fax 248 -8700 CITY OF lUKWlLA 'DETERMINATION OF NO0SIGNIFICANCE (DNS) D[SCRIPlION OF PROPOSAL: S 1341H S7REET CULVERT REPLACEMENT PROPONENT: LOCAlION OF PROPOSAL , INCLU • ' PARCEl. NO: 3EC/1WN/RNG: 1S-33-O4[ LEAD AGENCY: �1�Il�Y OF TUKWILA..�� ` �' '` .. . F ILF NO: 'E- 014 • • , IF ANY: • ,�/ The City has -flIeterm i ned that the l does not si8nific ' - t. An impact statement `(EIS is eguired under HCW 43.21o.030(2) 1 his decisiOn was made after i`eviqw of a comp eted envlrornnerta check 1z d for on fi')��*hth the lead agency /Th inf��r ��i �m t- the �^�l io o�- m c/ '~� . ` • `� ,�/ F'�^� � ` ��� ` � � � ` � `� '� �� '' �- ' --- ^ ..� ' ^ ` ^ • This det nationo s.fimal/ and � ��.�� day of 200 k . D • v;./.1.•.• '~ '`� Steve Lan r, Res pQnsible Official/� City of T ~ a ' (206) 431-3670 A, 4 / 6300 South ` ar Boulevard / Tukwila, W`981Q:`'_ .. / Copies of the p es for SEPA appeals are available vtiO, the Department of Coiliuni,ty Oavclopment. ` w��| • • • ` NOTE: This DNS is issued aft4rusing ooal DNS processinWAC 197-11-355, There is no further cOliiiiantliericed.. This appealed to tbe.5 King County Superior Court 4 :Zl A*B e. ° City of Tukwila Steven M. Mullet, Mayor Department of Community Development Steve Lancaster, Director FINAL STAFF EVALUATION FOR SOUTH 134TH PL ACE CULVERT REPLACEMENT File No: E01 -014 SUMMARY OF PROPOSED ACTION The project includes removal and replacement of five culverts along South 134th Place between South 133`d Street and 48th Avenue South. The culvert bottom is proposed to be filled with stream gravel to provide a natural bottom and lower velocities for fish passage. Driveway widths are also proposed to be reduced to introduce approximately 50 feet of additional open channel. Additional landscaping is-also proposed along the stream channel. II. GENERAL INFORMATION Project Name: South 134th Place culvert replacement Applicant: Location: Zoning: City of Tukwila Public Works Department, Ryan Larson 6300 Southcenter Boulevard,Tukwila, WA 98188. Phone:(206) 433 -0179 All of the construction for this project is located in Section 15, Range 4 East, Township 23 North. The construction will take place along South 134th Place between South 133`d Street and 48th Ave South. The current zoning for the adjacent properties in the vicinity of the project area is primarily Commercial Light Industrial (C /LI). Properties along the south portion of the route closer to 48th Ave South are zoned Low Density Residential (LDR). Comprehensive Plan Designation: The current Comprehensive Plan depicts the areas adjacent to the project site as Commercial Light Industrial and Low Density Residential. Notice: Notice of Anticipated Determination of NonSignificance was issued on June 8, 2001. The following information was submitted as part of the application. 1. SEPA Checklist dated May 17, 2001. 2. Preliminary Design Plans, prepared by KPG dated March 2001. 6300 Southcenter Boulevard, Suite #100 • Tukwila, Washington 98188 • Phone: 206 -431 -3670 • Fax: 206- 431 -3665 • III. REVIEW PROCESS The proposed action is subject to State Environmental Policy Act (SEPA) review as the project includes culvert replacement, which involves work in the stream buffer (over lands covered by water) and thus it does not meet the exemptions listed under WAC 197 -11 -800 IV. BACKGROUND/PROPOSAL The project includes replacement of five culverts underneath South 134t Place. The project is within east fork of Southgate Creek, a tributary to the Duwamish River (Class 3 watercourse per Tukwila Municipal Code). The culvert replacements will replace five existing failing culverts. The existing culverts need to be regularly maintained to keep them free of debris. The accumulation of debris and small culvert diameter pose a barrier to fish passage within this channel reach. The project includes removal and replacement of all five culverts with a 48 -inch corrugated aluminum culverts. The culvert bottom will be filled with stream gravel to provide a natural bottom and lower velocities for fish passage. Driveway widths will also be reduced to introduce approximately 50 feet of additional open channel. The disturbed area around the culvert will be re- vegetated and restored. The culvert replacement will require excavating 485 cubic yards of material. The existing soils will be removed from the subject site because of poor structural quality. Off -site import fill of 390 cubic yards will be used for back fill of new culverts. In order to minimize streambed erosion during culvert replacement, construction zone will be isolated from base flows by a temporary pumped bypass. This project is considered under the category of maintenance and repair under Tukwila Municipal Code (TMC). Pursuant to TMC Section 22.45.080 (A), maintenance and repair of essential streets, roads, rights -of -way, or utilities may be located within a sensitive area or buffer subject to meeting all provisions listed under TMC 21.04, State Environmental Policy Act. 2 • • V. REVIEW OF THE ENVIRONMENTAL CHECKLIST The following lists the elements contained within the Environmental Checklist submitted for the proposed project. The numbers in the staff evaluation correspond to the numbers in the Environmental Checklist. If staff concurs with the applicant's response, this is so stated. If the response to a particular item in the checklist is found to be inadequate or clarification is needed, there is additional staff comment and evaluation. A. BACKGROUND: 1 -- Concur with checklist. 2 -- Applicant is City of Tukwila, Public Works Department 6300 Southcenter Boulevard, Tukwila WA 98188 Contact person is Ryan Larson, Senior Engineer, Phone 206 - 433 -0179. 3 -12 -- Concur with checklist. B. ENVIRONMENTAL ELEMENTS: 1. Earth: a -h -- Concur with checklist. 2. Air: a -b -- Concur with checklist. c -- No mitigation measures are necessary for long term operation of the roadway, as no significant impacts are expected to occur as a result of the project. 3. Water: a (1) - Concur with checklist. a(2) — Tukwila Municipal Code (TMC) addresses intrusions within stream buffers. Pursuant to (TMC) Section 22.45.080 (A), maintenance and repair of essential streets, roads, rights -of -way, or utilities may be located within a sensitive area or buffer subject to meeting all provisions listed under TMC 21.04, State Environmental Policy Act. The specific location and extent of the intrusion into the setback is the 3 • • minimum encroachment required to replace existing culverts. All disturbed areas shall be restored and re- vegetated. a(3) -a(6) -- Concur with checklist. b (1) and (2) -- Concur with checklist. c (1) -- Concur with checklist. c(2) -- The project will meet all erosion and sedimentation control requirements of King County Surface Water Design Manual. Hazardous Materials Control Systems and Best Management Practices will prevent oil spills from entering the surface or ground water. d -- Concur with checklist. 4. Plants: a -d -- Concur with checklist. 5. Animals: a -d -- Concur with checklist. 6. Energy and Natural Resources: a -c -- Concur with checklist. 7. Environmental Health: a -- Concur with checklist. a (1) and (2) -- Concur with checklist. b (1) -b(3) -- Concur with checklist. 8. Land and Shoreline Use: a -d -- Concur with checklist. 4 • • e— All adjoining properties along the street are zoned Commercial Light Industrial (C /LI) or Low Density Residential (LDR). f— The comprehensive plan designation of all adjoining properties along the street is Commercial Light Industrial (C /LI) or Low Density Residential (LDR). g— Concur with checklist. h —It is classified as a Type 3 stream per Tukwila Sensitive Areas Ordinance. 1-1 --Concur with checklist. 9. Housing: a -c -- Concur with checklist. 10. Aesthetics: a -c -- Concur with checklist. 11. Light and Glare: a -d -- Concur with checklist. 12. Recreation: a -c -- Concur with checklist. 13. Historic and Cultural Preservation: a -c -- Concur with checklist. 14. Transportation: a -g -- Concur with checklist. 15. Public Services: a -b -- Concur with checklist. f J , • 16. Utilities: a -b -- Concur with checklist. V. CONCLUSION The proposal can be found to not have a probable significant adverse impact on the environment and pursuant to WAC 197 -11 -355 (Optional DNS process), a Determination of Nonsignificance (DNS) is issued for this project. A notice of Anticipated Determination of Nonsignifance was issued on June 8, 2001 with a fourteen day comment period. This DNS is based on impacts identified within the environmental checklist, attachments, and the above "Final Staff Evaluation for Application No. E01- 014 ", and is supported by plans, policies, and regulations formally adopted by city of Tukwila for the exercise of substantive authority under SEPA to approve, condition, or deny proposed actions. Prepared by: Minnie Dhaliwal Date: June 22, 2001 6 City of Tukwila E Screening Checklist City of Tukwila Endangered Species Act Screening Checklist Date: ,//]k/ Applicant Name: ' e/ p,G Taci.//9 Street Address: ` 7lV /, ( 124/0 City, State, Zip: 71%Ai1//Z,¢ L/g 98 /5 Telephone: 206, V 3 - 0/79 DIRECTIONS This Screening Checklist has been designed to evaluate the potential for your project to result in potential "take" of chinook salmon, coho salmon, or cutthroat trout as defined by Section 9 of the - Endangered Species Act. The checklist includes a series of "Yes" or "No" questions about your project, organized into four parts. Starting with Part A on Page 1, read each question carefully, circle "Yes" or "No," and proceed to the next question as directed by the checklist. To answer these questions, you may need to refer to site plans, grading and drainage plans, critical areas studies, or other documents you have prepared for your project. The City will evaluate your responses to determine if "take" is indicated. -January-25, 2001 1 • City of Tukwila ElScreening Checklist Part A: Please review and answer each-question carefully. Consider all phases of your project including, but not limited to, construction, normal operation, potential emergency operation, and ongoing and scheduled maintenance. Continue to the next question as directed for each No or Yes answer. 1 -0 Will the project require any form of grading? Grading is defined as any excavating, filling, clearing, or creation of impervious surface, or any combination thereof, which alters the existing ground surface of the earth (see Tukwila Municipal Code (TMC) Chapter 18.06, Zoning Code, Page 18 -11). Please circle appropriate response..,: NO - Continue to Question 2 -0 SO Continue to Question 1 -1 (Page 3) 2 -0 Will the project require any form of clearing? Clearing means the removal or causing to be removed, through either direct or indirect actions, any vegetation from a site (see Chapter . 18.06, Page 18 -8). Please circle appropriate response. NO - Continue to Question 3 -0 Continue to Question 2 -1 (Page 4) 3 -0 Will the project require work, during any time of the project, below the ordinary high water mark of a watercourse or the Green/Duwamish or Black Rivers or in wetlands? Ordinary high - water mark is the mark that is found by examining the bed and banks of a stream and ascertaining where the, presence and action of waters are so common and usual as to distinctly mark the soil from that of the abutting upland, in respect to vegetation (see TMC Chapter 18.06, Page 18 -15). Please circle appropriate response. NO - Continue to Question 4 -0 0- Continue to Question 3 -1 (Page 5) 4-0 Will the project result in the processing or handling, storage, or treatment of hazardous substances? This does not include the proper use of fuel stored in a vehicle's fuel tank. Hazardous substances are any liquid, solid, gas, or sludge, including any material, substance, product, commodity, or waste, regardless of quantity, that exhibits the characteristics or criteria of hazardous waste as defined by Washington Administrative Code 173 -303 (see TMC Chapter 18.06, Tukwila Zoning Code, Page 18 -11). This includes fuel or other chemicals stored on -site during construction. Please circle appropriate response. CO Continue to Question 5 -0 YES - Continue to Question 5 -0 5 -0 Will the project result in the withdrawal, injection, or interception of groundwater? Examples of projects that may affect groundwater include, but are not limited to: construction of a new well, change in water withdrawals from an existing well, projects involving prolonged construction dewatering, projects installing French drains or interceptor trenches, and sewer lines. For the purpose of this analysis, projects that require a geotechnical report pursuant to the requirements of TMC 18.45.060 and 18.45.080E.4, or would require a geotechnical report if not exempt under TMC 18.45.080A, should answer Yes. Please circle appropriate response. :30 Continue to Question 6 -0 YES - Continue to Question 6 -0 January 25, 2001 • City of Tukwila E Screening Checklist Part A (continued) 6 -0 Will the project involve landscaping or re- occurring outdoor maintenance that includes the regular use of fertilizers, pesticides, or herbicides? This does not include the one -time use of transplant fertilizers. Landscaping means natural vegetation such as trees, shrubs, groundcover, and other landscape materials arranged in a manner to produce an aesthetic effect appropriate for.the use of the land (see TMC Chapter 18.06, Tukwila Zoning Code, Page 18- 13).. For the purpose of this analysis, this includes the establishment of new lawn or grass. Please circle appropriate response. 19— Checklist Complete YES — Checklist Complete Part B: Please answer each question below for projects that include grading. Review each question carefully, considering all phases of your project including, but not limited to construction, normal operation, potential emergency operation, and ongoing and scheduled maintenance. Continue to the next question as directed for each No or Yes answer. 1 -1 Will the project involve the modification of a watercourse bank or bank of the Green/Duwamish or Black Rivers between the ordinary high water mark and top of bank? This includes-any projects that will require grading on any slope leading to a.river or stream, but will not require work below the ordinary high-water mark. Work_ below the ordinary high water mark is covered in Part C. Please circle appropriate response. NO - Continue to Question 1 -2 Continue to Question 1 -2 1 -2 Could the construction; operation, or maintenance of the project result in sediment transport off site or increased rates of erosion and/or sedimentation in watercourses, the Green/Duwamish rivers, or the Black River? Most projects that involve grading have the potential to result in increased erosion and/or sedimentation as a result of disturbances to the soil or earth. If your project involves grading and you have not prepared a Temporary Erosion and Sedimentation Control Plan specifically designed to retain 100 percent of the runoff (including during construction) from impervious surface or disturbed soils, answer Yes to this question. If your project is normally exempt under the Tukwila Municipal Code and would not require the preparation of a Temporary Erosion and Sedimentation Control Plan, BUT may still result in erosion or sediment transport off site or beyond the work area, answer Yes to this question. Please circle appropriate response. NO - Continue to Question 1 -3 ®- Continue to Question 1 -3 1 -3 Will the project result in the construction of new impervious surfaces? Impervious surfaces include those hard surfaces which prevent or restrict the entry of water into the soil in the manner that such water entered the soils under natural conditions prior to development; or a hard surface area that causes water to run off the surface in greater quantity or at an increased rate of flow from the flow presented under natural conditions prior to development (see TMC Chapter 18.06, Tukwila Zoning Code, Page 18 -12). Such areas include, but are not limited to, rooftops, asphalt or concrete paving, compacted surfaces, or other surfaces that similarly affect the natural infiltration or runoff patterns existing prior to development. Please circle appropriate response. NO - Continue to Question 2 -0 (Page 2) Continue to Question 1 -4 January 25, 2001 3 City of Tukwila ESScreening Checklist Part B (continued) 1 -4 Will your project generate stormwater from the creation of impervious surfaces that will not be infiltrated on site? For the purpose of this analysis, infiltration includes the use of a stormwater treatment and management system intended to contain all stormwater on site by allowing it to seep into pervious surface or through other means to be introduced into the ground. If your project involves the construction of impervious surface and does not include the design of a stormwater management system specifically designed to infiltrate stormwater, answer Yes to this question. 'Please circle appropriate response. NO - Continue to Question 2 -0 (Page 2) Continue to Question 2 -0 (Page 2) Part C: Please review each question below for projects that include clearing. Review each question carefully, considering all phases of your project including, but not limited to construction, normal operation, potential emergency operation, and ongoing and scheduled maintenance. Continue to the next question as directed for each No or Yes answer. 2 -1 Will the project involve clearing within 200 feet of the ordinary high water mark of a -watercourse or the Green/Duwamish or Black Rivers? Please circle appropriate response. -.NO - Continue to Question 3 -0 (Page 2) (M) Continue to Question 2 -2 2 -2 Will the project involve clearing of any trees within 200 feet of the ordinary high water mark of a watercourse or the Green/Duwamish or Black Rivers? A tree is defined by TMC 18.06.845 as any self - supporting woody plant, characterized by one main trunk, with a -- -potential diameter- breast - height of 2 inches or more and potential minimum height of 10 feet. Please circle appropriate response. 0- Continue to Question 2 -3 YES - Continue to Question 2 -3 2 -3 Will the project involve clearing of any evergreen trees from within 200 feet of the ordinary high water mark of a watercourse or the Green/Duwamish or Black Rivers? For the purpose of this analysis evergreen means any tree that does not regularly lose all its leaves or needles in the fall. Please circle appropriate response. Continue to Question 2 -4 YES - Continue to Question 2 -4 2 -4- - Will the project involve clearing within 100 feet of the ordinary high water mark of a watercourse or the Green/Duwamish or Black Rivers? Please circle appropriate response. NO - Continue to Question 3 -0 (Page 1) Continue to Question 2 -5 2 -5 Will the project involve clearing within 40 feet of the ordinary high water mark of a watercourse or the Green/Duwamish or Black Rivers? Please circle appropriate response. NO -- Continue to Question 3 -0 (Page 2) . AYE - Continue to Question 3 -0 (Page 2) January 25, -2001 -- 4 • City of Tukwila E II Screening _Checklist _ _ Part D: Please review each question below for projects that include work below the ordinary high water mark of watercourses or the Duwamish /Green or Black Rivers or in wetlands. Review each question carefully, considering all phases of your project including, but not limited to, construction, normal operation, potential emergency operation, and ongoing and scheduled maintenance. Continue to the next question as directed for each No or Yes answer. 3 -1 Will the project involve the direct alteration of the channel or bed of a watercourse, the Green/Duwamish rivers, or Black River? For the purpose of this analysis, channel means the area between the ordinary high water mark of both banks of a stream, and bed means the stream bottom substrates, typically within the normal wetted -width of a stream. This includes both temporary and permanent modifications. Please circle appropriate response. NO - Continue to Question 3 -2 - Continue to Question 3 -2 3 -2 Will the project involve any physical alteration to a watercourse or wetland connected to the Green/Duwamish River? For the purpose of this analysis, "connected to the river means" flowing into via a surface connection or culvert, or having other physical characteristics that allow for access by salmonids. This includes impacts to areas such as sloughs, side channels, remnant oxbows, ditches formed from channelized portions of natural watercourses or any area that may provide off channel rearing habitat for juvenile fish from the Duwamish River. This includes both temporary construction alterations and permanent modifications. Watercourses or wetlands draining to the Green/Duwamish River that have a hanging culvert, culvert with a flap gate, diversion, or any entirely man-made or artificial structure that precludes fish access should answer Yes to this question. Please circle appropriate response. NO - Continue to Question 3 -3 Continue to Question 3 -3 - 3 -3 Will the project result in the construction of a new structure or hydraulic condition that could be a barrier to salmonid passage within the watercourse or the Green/Duwamish or Black Rivers? For the purpose of this analysis, a barrier means any artificial or human modified structure or hydraulic condition that inhibits the natural upstream or downstream movement of salmonids, including both juveniles and adults. Please circle appropriate response. Continue to Question 3 -4 YES - Continue to Question 3 -4 3 -4 Will the project involve a temporary or permanent change in the cross - sectional area of a watercourse or the Green/Duwamish or Black Rivers? For the purpose of this analysis, the cross - sectional area is defined as a profile taken from the ordinary high water mark on the right bank to the ordinary high water mark on the left bank. Please circle appropriate response. NO - Continue to Question 3 -5 -&- Continue to Question 3 -5 - 3 -5 Will the project require the removal of debris from within the ordinary high water mark of a watercourse or the Green/Duwamish or Black Rivers? For the purpose of this analysis, debris includes, but is not limited to fallen trees, logs, shrubs, rocks, piles, rip -rap, submerged metal, and broken concrete or other building materials. Projects that would require debris removal from a watercourse or the Green/Duwamish or Black Rivers as part of a maintenance activity should answer Yes to this question. Please circle appropriate response. NO - Continue to Question 3 -6 IV Continue to Question 3 -6 January 25, 2001 5 City of Tukwila E Screening Checklist Part D (continued) 3 -6 Will the project result in impacts to watercourses or wetlands that have a surface connection to another watercourse or the Green/Duwamish or Black Rivers but do not contain habitat conditions that support salmonid use? Such areas may include, but not be limited to hillside seeps and wetlands isolated from the watercourse or river that have a surface water connection to the watercourse or river but are not assessable, nor would be assessable to salmonids under natural conditions. Wetlands with a "functions and values" rating for baseflow /groundwater support of 9 and above (or moderate) as described in Cooke (1996) should be included. Please circle appropriate response. 9 - Continue to Question 3 -7 YES - Continue to Question 3 -7 3 -7 Will the project include the construction of artificial waterways or wetlands connected to a watercourse containing salmonids? For the purpose of this analysis, the construction of artificial waterways or wetlands includes wetlands, channels, sloughs, or other habitat feature created to enhance wildlife use, particularly waterfowl use, or may be attractive to wildlife, particularly waterfowl. Please circle appropriate response. - Continue to Question 3 -8 YES - Continue to Question 3 -8 3 -8 Will the project include bank stabilization? For the purpose of this analysis, bank stabilization includes, but is not limited to, rip -rap, rock, log, soil, or vegetated revetments, concrete structures, or similar structures. Please circle appropriate response. NO - Continue to Question 4 -0 (Page 2) C " Continue to Question 4 =0 (Page 2) January 25/2001 6 ; State of Washington County of King City of Tukwila CITY OF TUKWILA Department of Community Development 6300 Southcenter Boulevard, Tukwila, WA 98188 Telephone: (206) 431 -3670 FAX (206) 431 -3665 E -mail: tukplanaci.tukwila.wa.us AFFIDAVIT OF INSTALLATION AND POSTING OF PUBLIC INFORMATION SIGN(S) I R X4W MR50A/ (PRINT NAME) understand that Section 18.104.110 of the Tukwila. Municipal Code requires me to post the property no later than fourteen (14) days following- the- issuance - of the Notice of Completeness. I certify that on 6/847/ the Public Notice Board(s) in accordance with Section 18.104.110 and the other applicable guidelines were posted on the property located at /457)1 5. LL5' / so as to be clearly seen from each right -of -way primary vehicular access to the property for application file number ea - ON . I herewith authorize the City of Tukwila or its representative to remove and immediately dispose of the sign at the property owner's expense, if not removed in a timely manner or within fourteen (14) days of a Notice letter. cant or Project Manager's Signature On this day personally appeared before me Ryan Larson to me lcnown to be the individual who executed the foregoing instrument and acknowledged thatte she signed the same as er voluntary act and deed for the uses and purposes mentioned therein. SUBSCRIBED AND SWORN to before me this etii, day of i,Ge.,,z , , 200/ _e. A. °....0)-11, '1%a a. ›G sioti i /'4 \�'•,• ll NOTARY PUBLIC in and f��State of Washington e : • v �1OTARy v� : / residing at /1�t� • lit .•• • 6 16.01 My commission expires on 6 -/6-041 Dept. Of Community Development City of Tukwila AFFIDAVIT OF DISTRIBUTION -/-, HEREBY DECLARE THAT: Notice of Public Hearing Determination of Non - Significance Project Name: SOW—Ai isq711 ptmg . C(dL-v /- PEiPLp,c;*ugNT )19J Notice of Public Meeting . Mitigated Determination of Non- Significance , Board of Adjustment Agenda Pkt Person requesting mailing: IBC t nJAJ( Determination of Significance & Scoping Notice Board of Appeals Agenda Pkt Notice of Action Planning Commission Agenda Pkt Official Notice Short Subdivision Agenda Notice of Application Shoreline Mgmt Permit Notice of Application for Shoreline Mgmt Permit _ __ FAX To Seattle Times Classifieds Mail: Gail Muller Classifieds PO Box 70 - Seattle WA 98111 J Other NO1/cE Of /1NT /GPArev O�Ergiv- ''N�t�' ion! OF moldgiGNif/c.AN Was ma i 1 ed to each of the addresses listed on this 8" day of di 'e' in the year 20 D/ P:GINAWYNETTA/FORMS /AFFIDAVIT -MAIL 08/29/003:31 PM Project Name: SOW—Ai isq711 ptmg . C(dL-v /- PEiPLp,c;*ugNT )19J .Project-Number: .E-0/7- city . Mailer's Signature: , et_, Person requesting mailing: IBC t nJAJ( P:GINAWYNETTA/FORMS /AFFIDAVIT -MAIL 08/29/003:31 PM • City of Tukwila Steven M. Mullet, Mayor Department of Community Development Steve Lancaster, Director NOTICE OF ANTICIPATED DETERMINATION OF NONSIGNIFICANCE DATED JUNE 8, 2001 Project Name: South 134th Place Culvert Replacement Project. Project Description: The project includes removal and replacement of all five culverts with a 48 -inch corrugated aluminum culverts. The culvert bottom will be filled with stream gravel to provide a natural bottom and lower velocities for fish passage. Driveway widths will also be reduced to introduce approximately 50 feet of additional open channel. Applicant: Project Location: City of Tukwila, Public Works Department, Ryan Larson 6300 Southcenter Boulevard, Suite 100 Tukwila WA 98188 Along SW edge of S.134`" Pl. between S. 133`d St. and 48`'' Ave S. Permits Required by This Application: 1) SEPA (File #E01 -014) 2) Washington State Department of Fish and Wildlife Hydraulic Project Approval Relevant Environmental Documents Are Available at the Address Below: X Yes No Anticipated Environmental Determination: Based upon review of a completed environmental checklist and other information on file with the city, it is anticipated that a Determination of Nonsignificance will be issued for the proposed project. The optional DNS process in WAC 197- 11 -355 is being used. It is likely that the City of Tukwila will determine that the project will not have a probable significant adverse impact on the environment. It is likely that an environment impact statement (EIS) will not be required under RCW 43.21C.030(2)(c). Consistent with the provisions of WAC 197 -11 -355, this may be the only opportunity to comment on the environmental impacts of the proposal. Any person may submit written comments on the environmental impacts of the proposal to the Department of Community Development by 5:00 p.m. on June 22, 2001. Anyone who submits written comments will become parties of record and will be notified of any decision on this project. Issuance of Final Environmental Determination: If timely comments do not identify probable significant adverse impacts that were not considered by the Anticipated Environmental Determination, the Determination of Nonsignificance will be issued without a second comment period. A copy the Determination of Nonsignificance may be obtained upon request. The official project file is available for public review at the Department of Community Development, 6300 Southcenter Boulevard, Suite100, Tukwila WA 98188. If you have any questions about this proposal contact Minnie Dhaliwal, Associate Planner at 206 - 431 -3685. 6300 Southcenter Boulevard, Suite #100 • Tukwila, Washington 98188 • Phone: 206 -431 -3670 • Fax: 206 - 431 -3665 ESRI ArcExplorer 2.0 Vicinity Map IMIL\ S. I33"" S ✓L 7.1Lj al/ r I-!T I I I 1 !1 I • Feet 0 250 500 750 streets City Limits tukwater Tukwila Parcels Parks Monday, Jun 4 2001 City of Tukwila Department of Community Development File Number Eat- 01/74 ENVIRONMENTAL REVIEW ROUTING FORM TO: ❑ Building ❑ Planning IA Public Works ❑ Police ❑ Parks/Rec Project Name: S • (34 L 5"h'c'& — Address: Sto .¢ ��� 5 . `34 S g- Date Transmitted: - 12(.51D Response Due by: -P Staff Coordinator: a '"' `^0.J" w' Date Response Received: Instructions The attached environmental checklist was received for this project. Please review and provide the following information: a) Potential environmental impacts, b) how each should be mitigated (i.e. SEPA condition, ordinance requirement, permit requirement etc.), c) recommended specific language as to how the mitigation measure should read, d) the policy basis for the recommended mitigation (i.e. adopted policy), e) the nexus between the recommended mitigation and the impact, and t) corrections to the checklist and supporting documentation. THIS INFORMATION IS IMPORTANT IN PROVIDING TIMELY AND ACCURATE SERVICE TO THE PUBLIC. Attach additional sheets if necessary. If you find the submittal incomplete and would like to request additional information, please inform the staff planner within five working days! a 1 (0 vu. ,ev.p.1.4.7S Comments Prepared by: %3 Date: 0 -ll-0I IMIEUEOVE JUN 0 4 2001 TUKWILA PUBLIC WORKS CITY OF TUKWILA • Department of Community Development 6300 Southcenter Boulevard, Tukwila, WA 98188 Telephone: (206) 431 -3670 FAX (206) 431 -3665 E -mail: tukplan(a,ci.tukwila.wa.us SEPA ENVIRONMENTAL - REVIEW APPLICATION NAME OF PROJECT/DEVELOPMENT: RECEIVED P1A' 22„2001 DEVELOPMENT LOCATION OF PROJECT/DEVELOPMENT: (Give street address or, if vacant, indicate lot(s), block and subdivision, access street, and nearest intersection. LIST ALL 10 DIGIT PARCEL NUMBERS. ALO.ti6 n‘• s /35/z 2 71✓�LVJ S /33'U W 4//o 9.81C Quarter:A/I Section: /j Township: Z3A/ Range: (This information may be found on your tax statement.) DEVELOPMENT COORDINATOR : The individual who: • has decision making authority on behalf of the applicant in meetings with City staff, • has full responsibility for identifying and satisfying all relevant and sometimes overlapping development standards, and • is the primary contact with the City, to whom all notices and reports will be sent. Name: RYA/ I-4.<547 / Address: Phone: 43o Signature: G :A'PHAN\LANDUSE.APP\SEPAAPP.DOC, 06/16/00 FAX: Date: FOR STAFF USE ONLY SIERRA TYPE P-SEPA Planner: File Number: %"r / _— 0 �t i° Application Complete (Date: ) Project File Number: Application Incomplete (Date: ) Other File Numbers: NAME OF PROJECT/DEVELOPMENT: RECEIVED P1A' 22„2001 DEVELOPMENT LOCATION OF PROJECT/DEVELOPMENT: (Give street address or, if vacant, indicate lot(s), block and subdivision, access street, and nearest intersection. LIST ALL 10 DIGIT PARCEL NUMBERS. ALO.ti6 n‘• s /35/z 2 71✓�LVJ S /33'U W 4//o 9.81C Quarter:A/I Section: /j Township: Z3A/ Range: (This information may be found on your tax statement.) DEVELOPMENT COORDINATOR : The individual who: • has decision making authority on behalf of the applicant in meetings with City staff, • has full responsibility for identifying and satisfying all relevant and sometimes overlapping development standards, and • is the primary contact with the City, to whom all notices and reports will be sent. Name: RYA/ I-4.<547 / Address: Phone: 43o Signature: G :A'PHAN\LANDUSE.APP\SEPAAPP.DOC, 06/16/00 FAX: Date: • Preliminary Environmental Checklist WAC 197 -11 -960 Environmental Checklist I.,,, 7;601 CCO MUMTY DEVELOPMENT Purpose of Checklist: The State Environmental Policy Act (SEPA), chapter 43.21 RCW, requires all governmental agencies to consider the environmental impacts of a proposal before making decisions. An environmental impact statement (EIS) must be prepared for all proposals with probable significant adverse impacts on the quality of the environment. The purpose of this checklist is to provide information to help the agency, citizens, and other reviewers identify impacts from the proposal, to possibly reduce or avoid impacts from the proposal, and to help the agency decide whether an EIS is required. ENVIRONMENTAL CHECKLIST A. BACKGROUND 1. Name of Proposed Project: S 134`h Street Culvert Replacement (Part of the 2001 Small Drainage Projects) 2. Name of Applicant: City of Tukwila, Public Works Department 3. Address and phone number of applicant and contact person:. 6300 Southcenter Blvd. Tukwila, WA 98188 (206) 433 -0179 Contact: Ryan Larson, P.E. 4. Date checklist prepared: May 16, 2001 5. Agency requesting checklist: City of Tukwila 6. Proposed timing or schedule (including phasing, if applicable): It is anticipated that this project will be advertised for construction in June 2000. Construction will begin in August 2000, or as required by the Hydraulic Project Approval conditions, and should be completed within 30 calendar days. The exact construction timing or schedule will be determined as the design and permitting processes are finalized. • • 7. Plans for future additions, expansion or further activity related to or connected with this proposal: No future expansion is planned 8. Environmental information that has been prepared, or will be prepared, directly related to this proposal: None known. 9. Applications that are pending for governmental approval of other proposals directly affecting the property covered by the proposal: None known. 10. List of governmental approvals or permits that will be needed for the proposal: Washington State Department of Fish and Wildlife Hydraulic Project Approval 11. Brief, complete description of the proposal, including the proposed uses and the size of the project and site: This passage barrier removal project will address 5 undersized and failing culverts along the west side of S 134th Street. Misaligned joints require regular maintenance to keep the culvert sections free of debris. The accumulation of debris and small culvert diameter poses a barrier to fish passage within this channel reach. Also, some of the driveways in this reach are wider than City standards, requiring longer culverts than may be necessary. The project includes removal and replacement of all 5 culverts with a 48 -inch corrugated aluminum culvert. The culvert bottom will be filled 1 to 2 feet deep with stream gravels to provide a natural bottom and lower velocities for fish passage. Where possible, driveway widths will be reduced to introduce approximately 50 feet of additional open channel length within the reach. Existing utility services (gas, water, sewer, power, phone) that are in conflict . be relocated to pass beneath the larger culvert section. A copy of the preliminary plan is attached for review. 12. Location of the proposal, including the street address, if any, and section, township and range, if known; a legal description, site plan, vicinity map and topographic map, if reasonably available: The project site is located in the City of Tukwila, along the southwest edge of S 134`h Street between S 133`d Street and 48th Avenue S, Section 15, Range 4 E, Township 23 N, W.M. 2 B. ENVIRONMENTAL ELEMENTS 1. EARTH a. General description of the site (underline one): Flat, rolling, hilly, steep slopes, mountainous, other b. What is the steepest slope on the site (approximate slope percentage)? General slopes in the area range from 0% to 10% with localized stream banks of 30 %. c. What general types of soils are found on the site (for example, clay, sand, gravel, peat, muck)? Specify the classification of agricultural soils and note any prime farmland. Peat soils. d. Are there surface indications or history of unstable soils in the immediate vicinity? If so, describe. No. e. Describe the purpose, type and approximate quantities of any filling or grading proposed. Indicate source of fill. Excavation will be required for culvert removal and trenching for the new culvert sections. The existing soils have poor structural quality (peat) and will be removed from site for legal disposal. Import fill will be used for foundation preparation and backfill of the new culverts. Approximate quantities are 485 CY of excavation and 390 CY of fill. All import materials will be from a state approved source. f. Could erosion occur as a result of clearing, construction or use? If so, generally describe. g. Yes; however the active construction zone will be isolated from base flows by a temporary pumped bypass. Construction will be completed during the dry, summer months using appropriate erosion control best management practices. About what percentage of the site will be covered with impervious surfaces after project construction (for example, asphalt or buildings)? No new impervious surface is proposed. Impervious surfaces will be decreased by reducing driveway widths to City standards. 3 • • h. Proposed measures to reduce or control erosion or other impacts to the earth, if any. Erosion and sedimentation will be controlled through the implementation of Best Management Practices (BMPs) as described in the King County Surface Water Design Manual, and in accordance with City of Tukwila requirements. Disturbed areas will be restored with seed and suitable native plant materials following construction. A coconut fiber mat and /or geotextile will underlie all disturbed areas prior to planting. Native plant species will be water tolerant, such as willow sp., red -osier dogwood, and ninebark placed at 2 to 4 foot spacing. Stream flows will be bypassed around the active construction zone consistent with HPA requirements. 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? Generally describe and give approximate quantities, if known. Minor dust and internal combustion engine emissions will be in the air only during construction b. Are there any off -site sources of emissions or odors that may affect your proposal? If so, generally describe. No. c. . Proposed measures to reduce or control emissions or other impacts to the air, if any: Best management practices will be implemented during construction activities to reduce and control dust and air emissions. These practices may include covering soil stockpiles, sweeping or washing paved surfaces, minimizing exposed areas, and using construction machinery equipped with standard mufflers. 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. Yes, the project is within the east fork of Southgate Creek, a tributary to the Duwamish River. 2) Will the project require any work over, in, or adjacent to (within 200 feet) the described waters? If yes, please describe and attach available plans. Yes, the project is within the Ordinary High Water Mark. 4 • • 3) Estimate the amount of dredge and fill material that would be removed from or placed in surface water or wetlands, and indicate the area of the site that would be affected. Indicate the source of fill material. No dredging or fill of the existing channel will be required. The proposal is limited to existing piped sections of the stream. 4) Will the proposal require surface water withdrawals or diversions? Give general description, purpose and approximate quantities, if known. Temporary bypass of flows will be required to replace culverts. 5) Does the proposal lie within a 100 -year flood plain? If so, note location on the site plan. Yes, the entire site is within the 100 -year flood plain. 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. The proposal does not involve the discharge of waste materials to surface waters. b. Ground 1) Will ground water be withdrawn or will water be discharged to ground water? Give general description, purpose and approximate quantities, if known. No. 2) Describe any waste material that will be discharged into the ground from septic tanks or other sources (e. g., domestic sewage, industrial, agricultural, etc.). Describe the general size of the system, the number of such systems, the number of houses to be served, or the number of animals or humans the system(s) are expected to serve. Does not apply. c. Water Runoff (including storm water) 1) Describe the source of runoff (including storm water) and method(s) of collection and disposal, if any (include quantities, if known). Will this runoff water be discharged or flow into surface waters or ground water? If so, describe. This project is to repair existing undersized and failing culverts. No modifications to current collection and disposal of runoff will occur. 5 • • 2) Could waste materials or toxic materials enter ground or surface waters during or as a result of this proposal? If yes, generally describe. No. d. Proposed measures to reduce or control surface, ground and runoff water impacts, if any: Appropriate BMPs will be installed to prevent sediment transport into downstream reaches of Southgate Creek and the Duwamish River. 4. PLANTS a. Underline types of vegetation found on the site: x x x deciduous trees: conifer trees: shrubs: wet soil plants: water plants: other types of vegetation: alder, maple, birch, black cottonwood, other fir, cedar, pine, other blackberry, salmonberry, vine maple, other buttercup, rushes, sedge, grasses, other water lily, milfoil, eelgrass, other grasses, b. What kind and amount of vegetation will be removed or altered? The culvert replacements occur at existing paved driveways. Very little vegetation will be disturbed. Adjacent vegetation is primarily grass and himalayan blackberry. c. List threatened or endangered species or critical habitat known to be on or near the site: None known, the channel supports juvenile coho and resident cutthroat species. d. Proposed landscaping, use of native plants or other measures to preserve or enhance vegetation on the site, if any: Disturbed stream bank areas will be restored with seed and suitable native plant materials following construction. A coconut fiber mat will and /or geotextile will underlie all disturbed areas prior to planting. Native plant species will be water tolerant, such as willow sp., red -osier dogwood, and ninebark placed at 2 to 4 foot spacing. 6 5. ANIMALS a. Underline any birds and animals that have been observed on or near the site, or are known to be on or near the site: x_ invertebrates: ' x_ fish: amphibians: reptiles: x_ birds: x mammals: insects, mollusks, other salmon, trout, bass, herring, shellfish, other frogs, salamanders, toads, other snakes, lizards, turtles, other songbirds, owls, hawks, eagles, heron, other deer, bear, elk, beaver, rabbits, rodents, other b. List any threatened or endangered species or critical habitat known to be on or near the site. The nearby Duwamish River is a migration route for Chinook Salmon. c. Is the site part of a migration route? If so, describe. There are Coho salmon and resident cutthroat trout in this reach. Significant passage barriers exist upstream of this reach d. Proposed measures to preserve or enhance wildlife, if any. 5 passage barriers will be removed and replaced with appropriately sized culverts. Also, by reducing driveway and culvert widths, there will be a greater amount of open channel for habitat. Restoration will be with native plants to provide additional shade against the stream bank. Woody debris may be incorporated into the channel. 6. ENERGY AND NATURAL RESOURCES a. What kinds of energy (electric, natural gas, oil, wood stove, solar) will be used to meet the completed project's energy needs? Describe whether it will be used for heating, manufacturing, etc. The completed project will not require any energy. Small amounts of gasoline and /or diesel fuels will be used in equipment during semi - annual cleaning of the project. b. Would the project affect the use (potential or actual) of solar energy by adjacent properties? If so, generally describe. No. c. What kinds of energy conservation features are included in the plans for this proposal? List any other proposed measures to reduce or control energy impacts, if any. - None. 7 7. ENVIRONMENTAL HEALTH a. Are there any environmental health hazards, including exposure to toxic chemicals or hazardous wastes, risk of explosion or fire that could occur as a result of this proposal? If so, describe. Yes, accidental fuel or oil spills from the heavy equipment could occur during construction. 1) Describe special emergency services that might be required. None anticipated. 2) Proposed measures to reduce or control environmental health hazards, if any: Repairs and refueling of construction equipment would be done away from the watercourses and storm conveyance facilities. b. Noise 1) What types of noise exist in the area which may affect the project (e.g., traffic, heavy equipment, operation, industrial, 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, traffic, construction, operation, other)? State what hours noise would come from the site. Short term noise impacts from construction operations are anticipated during work hours (typically 7:00 AM to 6:00 PM) for the duration of construction. No long -term impacts are anticipated. 3) Proposed measures to reduce or control noise impacts, if any: Construction equipment will be equipped with mufflers and all operations will be in accordance with City of Tukwila noise ordinances. 8. LAND AND SHORELINE USE a. What is the current use of the site and adjacent properties? City right of way. b. Has the site been used for agriculture? If so, describe. No. 8 c. Describe any structures on the site. None. d. Will any structures be demolished? If so, what? No. e. What is the current zoning classification of the site? City right of way. f. What is the current comprehensive plan designation of the site? Not known. g. What is the current shoreline master program designation of the site, if any? Not known. h. Has any part of the site been classified as an environmentally sensitive area? If so, specify. Not known. i. Approximately how many people would reside or work in the completed project? None. j. Approximately how many people would the completed project displace? None. k. Proposed measures to avoid or reduce displacement impacts, if any. None. I. Proposed measures to ensure the project is compatible with existing and projected land uses and plans in the area. N/A 9. HOUSING a. Approximately how many housing units would the project provide, if any? Indicate whether high, middle or low income housing. None. 9 • • b. Approximately how many housing units would be eliminated, if any? Indicate whether high, middle or low income housing. None. c. Proposed measures to reduce or control housing impacts, if any: None. 10. AESTHETICS a. What is the tallest height of any proposed structure(s), not including antennas; what is the principal exterior building material(s) proposed? No structures are proposed. b. What views in the immediate vicinity would be altered or obstructed? None. c. Proposed measures to reduce or control aesthetic impacts, if any: N/A 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 Tight 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 designated or informal recreational opportunities are in the immediate vicinity? None known. 10 b. Would the project displace any existing recreational uses? If so, describe. No. c. Proposed measures to reduce or control impacts on recreation including any recreational opportunities to be provided by the project or applicant. None. 13. HISTORIC AND CULTURAL PRESERVATION a. Are there any sites, structures or objects listed on, or proposed for national, state or local preservation registers known to be on or near to the site? If so, generally describe. None known. b. Generally describe any landmarks or evidence of historical, archaeological, scientific or cultural artifacts of importance known to be on or near the site. None known. c. Proposed measures to reduce or control impacts, if any. N/A 14. TRANSPORTATION a. Identify public streets and highways serving the site, and describe proposed access to the existing street system. Show on site plans, if any. The site is within the public Right of Way for S 134`h Street. b. Is the site currently served by public transit? If not, what is the approximate distance to the nearest transit stop? Not applicable. c. How many parking spaces would the completed project have? How many would the project eliminate? None. d. Will the proposal require any new roads, streets or improvements to existing roads or streets (not including driveways)? If so, generally describe, and indicate whether public or private. No. 11 e. Will the project use (or be in the immediate vicinity of) water, rail or air transportation? If so, generally describe. No. f. How many vehicular trips per day would be generated as a result of the project? Indicate when peak traffic would occur, if known. N/A g. Proposed measures to reduce or control transportation impacts, if any. N/A 15. PUBLIC SERVICES a. Would the project result in an increased need for public services (e.g., fire and 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. None. 16. UTILITIES a. Underline utilities currently available at the site: electricity, natural gas, water, telephone, refuse service, sanitary sewer, septic system, other. N/A b. What utility service will be needed by the project? Who (which utility) will provide the service, and what utility construction will be required on or in the immediate vicinity of the site? None. 12 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: <l (% / following checked items are included with the Checklist: x_ Vicinity Map x_ Project Plans KPG, Inc. S 134`h Street SEPA 5/17/01 13 S 134TH STREET CULVERT REPLACEMENT PROJECT NO. 00 - DRO2 MAYOR STEVE MULLET DIRECTOR OF PUBLIC WORKS JAMES MORROW, P.E. CITY ENGINEER BRIAN SHELTON, P.E. SCHEDULE OF DRAWINGS SHEET NO. 2 3 TITLE 'TITLE SHEET PLAN & PROFILE PLAN & PROFILE P UBLIC WORKS DEPT. • ENGINEERING= STREETS =WATER s wER *BUILDING * CITY COUNCIL JOAN HERNANDEZ, PRESIDENT PAM CARTER JOE DUFFIE DAVE FENTON JIM HAGGERTON PAMELA LINDER RICHARD SIMPSON 3a LEGEND EXISTING: — — — — THICKENED EDGE 1a GV GATE VALVE ic2 FH FIRE HYDRANT O TMH TELEPHONE MANHOLE • PP POWER POLE MON MONUMENT O SMH SANITARY SEWER ® WM WATER METER ❑ CB CATCH BASIN JUNCTION BOX PROPOSED: • CATCH BASIN STORM DRAIN PIPE desiped drawn checked Proi uroi field bk no ASPHALT CONCRETE PAVING CEMENT CONCRETE CRUSHED SURFACING TOP COURSE IKPQ Architecture Landscape Architecture Civil Engineering Urban Design REVIEW SUBMITTAL saa PROJECT LOCATION (r. I EXPIRES: 1/26/03 SOUTH 134TH STREET 3 CULVERT REPLACEMENT file no 0037COVOLOWG Seale AS SHOWN date 3/01 0 10 20 40 60 40 20 EXISTING GROUND 20 0 -PROPOSED GROUND 0 13 14 15 16 CEMENT CONCRETE DRIVEWAY APPROACH �\ CRUSHED SURFACE BACKFILL GRAVEL BORROW CONSTRUCTION NOTES Qt INSTALL 4'6 CORRUGATED ALUMINUM CULVERT, SEE TYPICAL SECTION, THIS SHEET (250 LF TOTAL). O REMOVE EXISTING DRIVEWAY AND EXCAVATE CHANNEL TO MATCH ADJACENT STREAM REACH. ® RELOCATE FIRE HYDRANT. Q5 RELOCATE WATER SERVICE UNE BENEATH NEW CULVERT. 8Q SAWCUT, REMOVE AND RESTORE ACP DRIVEWAY. 1' MIN COVER 48.0 CORRUGATED ALUMINUM PIPE. FILL BOTTOM N4TH STREAM GRAVEL TO MATCH EXISTING STREAM GRADE, 1' MIN, 2' MAX DEPTH. UNDISTURBED SUBGRADE CONSTRUCTION GEOTEXTILE FOR SOIL STABILIZATION EXPIRES: 1/26/03 P UBLIC WORKS DEPT. •ENGINEERING * STREETS •WATER •SEWER +BUILDING • designed dram checked Pro] al Taal 6/Q field bk no by NJD NM NJD NJD date 3/01 3/01 3/01 3/01 KPG: Architecture Landscape Architecture ChM Engineering Urban Design REVIEW SUBMITTAL SOUTH 134TH STREET CULVERT REPLACEMENT no date revisions 2 3 1 file no 0037PPR -S6DWG scale r = 20' date 3/01 '0 10 20 40 60 40 20 20 0 EXISTING GROUND v J / PROPOSED•GROUND 0 16 17 18 19 CONSTRUCTION NOTES O INSTALL (0 CORRUGATED ALUMINUM CULVERT, SEE TYPICAL SECTION, SHEET 2 (250 LF TOTAL). ® REMOVE AND REPLACE 6' CMP CULVERT TO OUTFALL ADJACENT TO NEW CULVERT. ® RELOCATE FIRE HYDRANT. CO RELOCATE WATER SERVICE UNE BENEATH NEW CULVERT. © RELOCATE FIREWATER SERVICE AND METERS BENEATH CULVERT. O COORDINATE WITH PUGET SOUND ENERGY FOR RELOCATION OF GAS SERVICE BENEATH NEW CULVERT. ® SAWCUT, REMOVE AND RESTORE ACP DRIVEWAY. 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