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HomeMy WebLinkAboutPermit L95-0024 - MARTIN TIM - TREE CUTTING SPECIAL PERMISSIONL95 -0024 TIM MARTIN 5305 SLADE WAY July 17, 1995 City of Tukwila Department of Public Works Mr. Timothy Martin 5210 S. 164th Street Tukwila, WA 98188 Subject: Tim Martin Single Family Residence 5305 Slade Way Plan Check No.: B95 -0081 Project No.: P95 -0015 Dear Mr. Martin, John W. Rants, Mayor Ross A. Earnst, P. E., Director The property is located in the immediate vicinity of an area where significant landsliding and geotechnical problems have occurred, therefore PW has asked Shannon & Wilson to review the geotechnical considerations for your site. Their geotechnical review of your site at 5305 Slade Way dated June 26, 1995 is attached. The report identifies several areas of geotechnical information that will be needed in order to proceed with processing the development application: 1. The site- specific geotechnical and groundwater information will be necessary to evaluate the foundation and dewatering requirements for the designed building (pg. 4 of S &W report) 2. The construction of a driveway from Slade Way will require special geotechnical considerations for the design of temporary excavations and permanent slopes. 3. Depending on the final grade of the building foundation and the depth of the groundwater design the construction of an on -site storm water retention system might be necessary. 4. Provide an evaluation of the site stability to develop appropriate geotechnical designs and recommendations for the site development. 5. Site - specific information for design of foundations, excavations and dewatering requirements. J U: O O' U) 0; • w 9_i. (ow. w O' 2 g J? D. 0 ,-w z .. O'. z g: UJ ;0 N,. 0 ww ;1- 0, u. — 0. wz 6300 Southcenter Boulevard, Suite #100 • Tukwila, Washington 98188 • Phone: (206) 433 -0179 • Fax (206) 431-3665 / • Six sets of the site plans stamped by an engineer showing both 2 foot contour intervals, the drainage and driveway are required with the permit application. Please call Joanna Spencer, Development Engineer, at 433 -0179, for any questions that may arise or fore more information. Sincerely, Ron Cameron City Engineer Enclosure: June 26, 1995 Shannon and Wilson Report c f:: Libby; Hudson, Associate Planner : - Steve Lancaster, DCD Director sw626rpt.doc iNiawianL' .41—i:f2,Yl`i , :f4'w!!.'),t :rjb t:i' %s+';'.•,i? / //J :, W &WIMLESOL INC. S June 26, 1995 City of Tukwila Department of Public Works 6300 Southcenter Boulevard, Suite 100 Thkwila, Washington 98188 Attn: Mr. Ron Cameron, City Engineer RE: GEOTECHNICAL REVIEW OF PROPOSED SINGLE - FAMILY RESIDENCE DEVELOPMENT, 5305 SLADE WAY, TUKWILA, WASHINGTON SEATTLE HANFORD FAIRBANKS ANCHORAGE SAINT LOUIS BOSTON This letter presents the results of our review of the proposed Martin single - family residential development at 5305 Slade Way, Tukwila. In accordance with your request, we have conducted a review of the geotechnical suitability of the above property for development of a single- family residence. Specifically, we have attempted to address the following issues identified in your letter of May 18, 1995: I • • Is the Martin property affected by the same deep slide plane as the proposed Hillcrest Development (located approximately 100 feet north along the west side of Slade Way)? ► Are there any geological concerns for a house on the Martin property? ► Are there any drainage concerns to address? For this review, you provided us with a plat map showing the location of the Martin property, as well as copies of several reports and supporting documents pertaining to the Hillcrest Development. We have received no site - specific plans or geotechnical studies for the Martin property, and it is our understanding that such work has not been conducted for this property. 400 NORTH 34TH STREET • SUITE 100 P.O. BOX 300303 SEATTLE, WASHINGTON 98103 206.632.8020 FAX 206.633.6777 TDD: 1.800.833.6388 RECEIVED JUN 2, 7 1995 TUKWILA PUBLIC WORKS W-7039-01 City of Tukwila Attn: Mr. Ron Cameron June 26, 1995 Page 2 SCOPE OF WORK SHANNON &WILSON. INC. The scope of our services consisted of a site visit and visual reconnaissance of the Martin property by Mr. Dan Clayton on June 19, 1995, and a review of information that we collected and evaluated for the nearby proposed Hillcrest Residential Development. Given the lack of any site - specific geotechnical information, our evaluation was based primarily on consideration of geotechnical reports for adjoining or nearby properties, and an assessment of the relevance of those ,conditions to the site. These geotechnical reports include: ■ Recent geotechnical investigations for the Hillcrest Residential Development. ► Geotechnical investigations performed in the 1980's for the proposed Valley Vue Development to the north and northeast of the Martin property. ► Geotechnical investigations and recommendations for the Silverview Development adjoining the Martin property on the east. Geotechnical investigations and remedial actions that were implemented in the 1960's to stabilize a large landslide that extended upslope from a borrow excavation at the toe of the slope, southwestward to the vicinity of Slade Way. SITE CONDITIONS The Martin property is located on the south side of Slade Way, approximately 130 feet west of the intersection of Slade Way and 53rd Place South, in Tukwila, Washington. It is situated approximately half way up the steep east- facing slope of the Duwamish Valley to the southwest of the Tukwila Interchange. The property is a rectangular plot, approximately 150 by 100 feet in dimension, bounded on the east, west, and south by single - family residences, and on the north by two undeveloped parcels, which separate it from Slade Way. The site is undeveloped, wooded, and relatively flat, sloping gently to the east. It is situated approximately 10 to 15 feet above the elevation of Slade Way, separated by a relatively steep, brush - covered slope. This slope appears to be situated mostly, if not completely, on property adjoining the Martin lot. It appears that access to the Martin W-7039-01 ,z .. City of Tukwila Attn: Mr. Ron Cameron June 26, 1995 Page 3 L..ANNON &WILSON, INC. property would likely be from Slade Way, and a roadway leading to the residence would necessarily cross this slope. Our field observations suggest that the site is relatively well drained, with permeable soils exposed at the surface. The depth to the water table is not known, although it is expected to be at least a few feet below the ground surface. No evidence of groundwater seepage, surface water, or erosion caused by surface water runoff was observed at the time of our reconnaissance, either on the property or on the adjoining slope above Slade Way. Also, no evidence of landsliding or landslide deposits was observed on. the Martin property or on the slope between the property and Slade Way during our reconnaissance. However, the north shoulder of Slade Way directly below the property has experienced repeated minor slippage in recent years, and has required pavement repair by the City on multiple occasions. DISCUSSION Based on our review, the Martin property does not appear to fit well within the definitions of the various classes of "areas of potential geologic instability," as defined by the Tukwila Municipal Code. The slope leading from Slade Way to the property is probably a Class 3 area because of the moderately steep slope. Regardless of the classification of these areas, however, it should be recognized that the Martin property is located in the immediate vicinity of areas where significant landsliding has occurred. To the north of the Martin property there is considerable evidence of previous landsliding and potentially unstable slopes. A very large prehistoric landslide affected the hillside north and northwest of the property, extending laterally for several thousand feet to the northwest and to the base of the hillside. The headscarp of this ancient landslide appears to terminate less than 100 feet north of the property boundary. The slope below Slade Way and north - northeast of the Martin property (and within the ancient slide mass) has been the subject of intensive geotechnical investigations since 1960, when borrow material for filling of Andover Industrial Park was removed from the base of the hill. Removal of this natural buttress resulted in a series of progressive landslides which extended upslope to the W-7039-01 E-W • JU U 0: CO C3 COW • W =: J NU. uj J LL -?, z� E— 0 W U O N 0 ui LL H' • W N, z...... xosro++i�r a v City of 1Lkwila Attn: Mr. Ron Cameron June 26, 1995 Page 4 SHANNON 6WILSON. INC. approximate location of Slade Way. Remedial measures to stabilize the hillside consisted of regrading and installing surface drainage and vertical and horizontal drains in the summer of 1961. These measures were effective in stabilizing the sliding at that time. However, subsequent studies for a proposed multiple - family condominium complex on the site of the 1960 landslide indicated that the hillside drainage system was no longer functioning as designed, and the factor of safety for landsliding, as of about 1989, was too low to allow residential development of the property without major improvements to the hillside drainage system. . To the east and directly downslope from the Martin property, the moderately steep slope appears to be considerably more stable than the area north of Slade Way, and does not appear to have been involved in major landsliding. Nevertheless, geotechnical investigations in the mid- 1980's specified fairly rigorous design recommendations for the Silverview Development, particularly with respect to excavation and permanent dewatering requirements to enhance the slope stability of the area. FINDINGS AND RECOMMENDATIONS The Martin property does not appear to be within an area that has been directly affected by landsliding. The deep - seated landsliding and subsequent shallow landslides that have occurred to the north of Slade Way appear to have terminated a short distance to the north of this property. It appears to be more likely that the geologic conditions that control the slope stability of the Martin property are similar to the geologic conditions directly downslope to the east of the site in the Silverview Development. Apart from potential slope stability issues, there do not appear to be any significant geologic constraints or drainage issues that could not be addressed in the geotechnical design and development of the site. _ However, site - specific geotechnical and groundwater information will be necessary to evaluate foundation and dewatering requirements once the basic building design has been established. We also anticipate that construction of a driveway from Slade Way will require special geotechnical considerations for design of temporary - excavations and permanent slopes. Depending on the final grade of the building foundation W-7039-01 ..::1::v:�:.s; rare: tiff. 3u�rWtllctr 'ifsnr:r- :d�'•�_�iuiatik.. .. .. dri.rJi.L.ti4::3ix6KnrrsSi'sla` igorigtIVAIM tar , iaG ti ✓ SiYhh .4 %; 4 4Alli. VAT A,,W . City of Tukwila Attn: Mr. Ron Cameron June 26, 1995 Page 5 ..-NNON &WILSON. INC. and the depth to groundwater, it may be necessary to design and construct an on -site storm water retention system to comply with restrictions imposed by Washington State Department of Transportation (WSDOrT) on any increase to peak storm water flow through their drainage system Based on this review, it is our opinion that a site - specific geotechnical investigation should be conducted for the Martin property prior to issuing a permit for development. Such an investigation is needed to provide an evaluation of the site stability and to develop appropriate geotechnical designs and recommendations for the site development. The geotechnical investigation should provide site - specific information for design of foundations, excavations, and dewatering requirements. Depending on the findings of site explorations, the site stability could probably be evaluated adequately by a comparison of site conditions to those identified by previous investigations on adjoining properties. LIMITATIONS This letter report has been prepared for the City of Tukwila in accordance with generally accepted professional engineering principles and practices, for use by the City of Tukwila in review of the proposed single- family residential development at 5305 Slade Way. No other warranty, either expressed or implied, is made as to the nature of the conclusions and recommendations. The content of this report is not intended for the use of other parties or for other purposes. It may or may not contain sufficient information for other uses. Shannon & Wilson, Inc. has prepared the attached "Important Information About Your Geotechnical /Environmental Report" to assist you and others in understanding the use and . . limitations of our reports. W- 7039 -01 City of Tukwila Attn: Mr. Ron Cameron June 26, 1995 Page 6 We appreciate the opportunity to be of service. Sincerely, SHANNON & WILSON, INC. SHANNON &WILSON, INC. EGON • .L N. Daniel N. Clayton, R.G. C.E.G.. Senior Associate �y \4.,+•S • o•� SSW x.41 "<t. EXPIRES :1/ 10/ c c W. Paul Grant, P.E. Vice President DNC:WPG /dnc Enclosure: Important Information About Your Geotechnical Report W7039- 01.L12/ 7039- 1kd /cct k+3 W-7039-01 ;ygef"V .urr MEM Geotechnical and Environmental Consultants Dated: June 26. 1995 To: y of Tukwila Attn: Alr. Ron Cameron Important Information About Your Geotechnical /Environmental Report CONSULTING SERVICES ARE PERFORMED FOR SPECIFIC PURPOSES AND FOR SPECIFIC CLIENTS. Consultants prepare reports to meet the specific needs of specific individuals A report prepared for a civil engineer may not be adequate for a construction contractor or even another civil engineer. Unless indicated otherwise, your consultant prepared your report expressly for you and expressly for the purposes you indicated. No one other than you should apply this report for its intended purpose without first conferring with the consultant. No party should apply this report for any purpose other than that originally contemplated without first conferring with the consultant. THE CONSULTANT'S REPORT IS BASED ON PROJECT- SPECIFIC FACTORS. A geotechnical /environmental report is based on a subsurface exploration plan designed to consider a unique set of project - specific factors. Depending on the project, these may include: the general nature of the structure and property involved; its size and configuration; its historical use and practice; the location of the structure on the site and its orientation; other improvements such as access roads, parking lots, and underground utilities; and the additional risk created by scope -of- service limitations imposed by the client. To help avoid costly problems, ask the consultant to evaluate how any factors that change subsequent to the date of the report may affect the recommendations. Unless your consultant indicates otherwise, your report should not be used: (1) when the nature of the proposed project is changed (for example, if an office building will be erected instead of a parking garage, or if a refrigerated warehouse will be built instead of an unrefrigerated one, or chemicals are discovered on or near the site); (2) when the size, elevation, or configuration of the proposed project is altered; (3) when the location or orienta- tion of the proposed project is modified; (4) when there is a change of ownership; or (5) for application to an adjacent site. Consultants cannot accept responsibility for problems that may occur if they are not consulted after factors which were considered in the development of the report have changed. SUBSURFACE CONDITIONS CAN CHANGE. Subsurface conditions may be affected as a result of natural processes or human activity. Because a geotechnical /environmental report is based on conditions that existed at the time of subsurface exploration, construction decisions should not be based on a report . whose adequacy may have been affected by time. Ask the consultant to advise if additional tests are desirable before construction starts; for example, groundwater conditions commonly vary seasonally. Construction operations at or adjacent to the site and natural events such as floods, earthquakes, or groundwater fluctuations may also affect subsurface conditions and, thus, the continuirt adequacy of a geotechnical /environmental report. The consultant should be kept apprised of any such events,' and should be consulted to determine if additional tests are necessary. MOST RECOMMENDATIONS ARE PROFESSIONAL JUDGMENTS. Site exploration and testing identifies actual surface and subsurface conditions only at those points where samples are taken. The data were extrapolated by your consultant, who then applied judgment to render an opinion about overall subsurface conditions The actual interface between materials may be far more gradual or abrupt than your report indicates. Actual conditions in areas not sampled may differ from those predicted in your report. While nothing can be done to prevent such situations, you and your consultant can work together to help reduce their impacts. Retaining your consultant to observe subsurface construction opera- tions can be particularly beneficial in this respect. ' y 'u:i" tit :"...�� "):.r�3"°.4'Ftitt.4'�'t1 Page 2 of 2 A REPORT'S CONCLUSIONS ARE PRELT :WARY. The conclusions contained in your consultant's report are preliminary because they must be based on the assumption that condi- tions revealed through selective exploratory sampling are indicati'e of actual conditions throughout a site. Actual subsurface conditions can be discerned only during earthwork; therefore, you should retain your consultant to observe actual conditions and to provide conclusions. Only the consultant who prepared the report is fully familiar with the background information needed to determine whether or not the report's recommendations based on those conclusions are valid and whether or not the contractor is abiding by applicable recommendations. The consultant who developed your report cannot assume responsibility or liability for the adequacy of the report's recommendations if another party is retained to observe construction. THE CONSULTANT'S REPORT IS SUBJECT TO MISINTERPRETATION. Costly problems can occur when other design professionals develop their plans based on misinterpretation of a geotechnical/envir- onmental report. To help avoid these problems, the consultant should be retained to work with other project design professionals to explain relevant geotechnical, geological, hydrogeological, and environmental findings, and to review the adequacy of their plans and specifications relative to these issues. BORING LOGS AND /OR MONITORING WELL DATA SHOULD NOT BE SEPARATED FROM THE REPORT. Final boring logs developed by the consultant are based upon interpretation of field logs (assembled by site personnel), field test results, and laboratory and /or office evaluation of field samples and data. Only final boring logs and data are customarily included in geotechnical /environmental reports. These final logs should not, under any circumstances, be redrawn for inclusion in architectural or other design drawings, because drafters may commit errors or omissions in the transfer process. To reduce the lilcelihood of boring log or monitoring well misinterpretation, contractors should be given ready access to the complete geotechnical engineering /environmental report prepared or authorized for their use. If access is provided only to the report prepared for you, you should advise contractors of the report's limitations, assuming that a contractor was not one of the specific persons for whom the report was prepared, and that developing construction cost estimates was not one of the specific purposes for which it was prepared. While a contractor may gain important knowledge from a report prepared for another party, the contractor should discuss the report with your consultant and perform the additional or s:ltemathe work believed necessary to obtain the data specifically appropriate for construction cost estimatire purposes. Some clients hold the mistaken impression that simply disclaiming responsibility for the accuracy of subsurface information always insulates them from attendant liability. Providing the best available information to contractors helps prevent costly construction problems and the adversarial attitudes that aggravate them to a disproportionate scale. READ RESPONSIBILITY CLAUSES CLOSELY. Because geotechnical/envimnmental engineering is based extensively on judgment and opinion, it is far less exact than other design disciplines This situation has resulted in wholly unwarranted claims being lodged against consultants To help prevent this problem, consultants have developed a number of clauses for use in their contracts, reports and other documents. These responsibility clauses are not exculpatory clauses designed to transfer the consultant's liabilities to other parties; rather, they are definitive clauses that identify where the consultant's responsibilities begin and end. Their use helps all parties involved recog- nize their individual responsibilities and take appropriate action. Some of these definitive clauses are likely to appear in your report, and you are encouraged to read them closely. Your consultant will be pleased to give full and frank answers to your questions. The preceding paragraphs are based on information provided by the ASFE /Association of Engineering Firms Practicing in the Geosciences, Silver Spring, Maryland zQ h- W: • UO: coo' W =' J t-. N LL. W .Q2Q �. LL -J H =. • H O. 11.1 W ;O N uf i—. = O: w Z: U N.. r: Z • :. Date Fro To Co Su Mes 10:23 (MOIRA BRADSHAW / LIBBY HUDSON) ' I jty of Tukwila Joann Since you are doing the utility permit for this project I thought I'd keep you informed on the tree permit, which relates directly to the Sensitive Areas of this property. Also,I will be doing the building permit review of this project instead of John, because it didn't make sense to us to have two planners working on the same project. I have completed a preliminary review of the tree application and will be requinring the following from the applicant: 1. The applicant needs to submit a tree replacement and enhancement plan for review and approval prior to issuance of the permit. 14 trees of different size are proposed to be cut, requiring 27 (2 -1/2" caliper) replacement trees. 2. The grading plan (with sections) should include location of the tree truck and tree canopy, as well as the fencing line around the "essential root zone" of the 24" maple tree to be saved. John W. Rants, Mayor n FR ree e t 82 � �� • wit p oo�fnmun S evelopment Steve Lancaster, Director We need to meet with Ron and Gary Schulz on this project. 3 eyr 4-1"ev. ce)v\o-1.0-La. Gni--Q.Araplse, 20 o� � ` --�vv, c.. Si . 1'a (-W r 2O _ OO© .1L-1[30-6-0 6300 Southcenter Boulevard, Suite #100 • Tukwila, Washington 98188 • (206) 4313670 • Fax (206) 4313665 • • . e. on 0. * 0- 1•0••••••• . • AV•401811d 831N3Hlrios • 00 • VI • 0 0 D N k o.• 3 J. V d g S • , • ••• • ft.. /' • .1 • ..I • 1•••... 0 • I. s • N • 4 • • ' r . • . • S. I •.• III /•11•• ■•• 1. • LS H19.zi... 7-07C t• • 't TT .4 I ••••' 01' (11;':1041•2 A1744344.14 if 4, SW tr • era,E0'4'" N 'b. '; ,',„ , o i o;T.o. rs.,.. • ,.., lo`-' :f - • .— — m •-• ,`111!-:--"Ca‘,.:•••.-1. - ---(1`)„ _ .;„ .' '—.4, -,-,„ ---,.... i • . (-.) ' . yr • ... . _____ 1 . 3•7 < • • 1-• • z w — 2 —i O 0 U) 0 W W —J SQLL w 2 u_ < ▪ a 1- ILI z o z W• j O • D. 0 F- W uj • 0 LI 0 Z C.) 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City of Tukwila John W. Rants, Mayor Department of Community Development MEMORANDUM TO:. Ron Cameron, C ty Engi er FROM: John Jimerson, sociate Planner DATE: May 4, 1995 RE: Tim Martin Single Family Residence B95 -0083 Steve Lancaster, Director We are reviewing a building permit application for construction of a new house for Tim Martin. I have walked the site with Gary Schulz who confirmed there are environmentally sensitive areas (steep slopes) on the site. Unless waived, Section 18.45.060 TMC requires that a geotechnical report be prepared for the construction of the home. The most relevant criteria for waiving the geotechnical study are that the size and complexity of the project does not warrant the study (18.45.060 TMC) and there will be no detrimental impact to the sensitive areas and buffers (18.45.020(f)(2) TMC). The property is located at 5305 Slade Way (Map Attached). The lots to the west, east and south of the site are improved with single family residences, to the north is located the 1961 slide . and the property for the Tukwila Heights proposal recently reviewed at Pre- App. The site to the east (downslope) was subdivided in 1987 and developed with a number of single family homes and cul -de -sac. A geotechnical study was prepared for that subdivision as part of the SEPA review. It was determined there was that there was not a significant potential for a shallow slide. The SEPA mitigation (attached) required additional engineering analysis to be provided at the time of building permits for each of the individual houses. Because the site is directly upslope from the Silver View subdivision, and based on my site inspection, I would have to believe the analysis provided for Silver View would be valid for this site. Would you concur that the site can be approved for a single family development with the same requirement for additional 6300 Southcenter Boulevard, Suite #100 • Tukwila, Washington 98188 • (206) 431-3670 • Fax (206) 431-3665 r6 fa 0 UJ w =: J 1- w 0. 1 u_ a: mow: z� z o'. wuj co w uj: U. O, ;w z O z , engineering analysis? The second question is, do you think the potential for a deep seated slide that affects the property to the north would also affect this site? Discussion in the Silver View reports acknowledged the slide to the north, but seems to dismiss it as a concern to the Silver View Property. The issue for a deep seated slide did not surface until peer review was conducted by Shannon and Wilson on the Puget Western site in 1992. Had Shannon and Wilson conducted a peer review of the Silver View property, would they have had the same concerns with a deep seated slide? I would appreciate your thoughts on these issues. There are a number of other issues with this home including the need for a tree permit, access at less than .15 %, drainage, land altering etc. Perhaps we . should, coordinate our responses to the applicant.. Thanks for you input. cc: S. Lancaster G. Schulz r:: City of Tukwila 6200 Southcenter Boulevard Tukwila Washington 98188 (206) 433 -1800 Gary L. VanDusen, Mayor MEMORANDUM TO: SILVERVIEW SUBDIVISION HOMEBUILDERS FROM: Planning Department DATE: September _22,._1987 SUBJECT: BUILDING PERMITS As a result of the environmental review for the subdivision, the following conditions have been imposed on any development within the plat,. The environ- mental file, 354 -86, is available for your review at any time and is con- sidered mandatory if you plan on building within the -plat. A geotechnical engineer's letter is required for every building permit and shall indicate: 1. Whether proposed construction will require any special foundation require - ments or procedures. 2. Whether any specific on -site testing is required based on configuration of house and orientation within the lot. 3. Whether recommendations within reports on file for Silverview are adequate to address building foundation requirements for individual lots; if not the letter shall so state and another soils report or field investigation is required. Any permit issued between November 1 and May 31 will require supervision and a sign off by a licensed geotechnical engineer for all foundation work. Excerpts from the geotechnical report which relate to foundations, floor slabs and drainage are attached. MCB/co 20/SIL9 -22 •? • 4 1•1# 4 -A .._ . 7 .. :.. ... -,' ;MA% 104'414.4t.• _44 4• €tab7. 14: ..4•412440.sght=.44944,11X4Vs&eltr .44.....144..444..4, o, • > • t ' , • s. • •la-6-"---711-1-1-T . ..; .....*". -.•:-.... , • • -5— .311 •.•••=terancirta • • t4 • •C"%'s 4*. SR 5 pRimARy. STATE HWY NC 8 • SOUTHCENTER PARKWAY a ....a a • • .•••1C .41..1:4. 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Pgs_0016 Phone: (206) 433 -0179 UTILITY PERMIT APPLICATION Site Address: _c)S D C 1(,1( Wa 1 ::INFORMAT�:N :: Name of Projects: 0 721 ' 7 i% Property Owner: pa_74,,,(,-/` Street Address: Engineer: Street Address: Contractor: Street Address: S,2 /D S- /ln( Phone No.: City /State /Zip: /Gt4G0» q' . (e4, Phone No.: City /State/Zip: Phone No.: City /State /Zip: King Cty Assessor Acct #: Contractor's License #: Exp. Date: ❑ .Channelization /Striping /Signing ❑ Curb Cut/Access/Sidewalk ❑ Fire Loop /Hydr. (main to vault) - No.: Sizes: ❑ Flood Zone Control ❑ Hauling ❑ Land Altering cubic yards ❑ Landscape Irrigation ❑ Moving an Oversized Load Est. start/end times: Date: ❑ Sanitary Side Sewer — No.: Name: Street Address: Name: Street Address: ❑ Metro ❑ Standby SCRIP:TION OF PROJECT < : ❑ Single - Family Residential ❑ Multiple - Family Dwelling ❑ Hotel ❑ Duplex No. of Units: ❑ Motel ❑ Triplex ❑ Commercial/Industrial ❑ Office ❑ Retail O Water ❑ Sewer ❑ Sewer Main Extension ❑ Private ❑ Public ❑ Storm Drainage ❑ Street Use ❑ Water Main Extension ❑Private ❑ Public ❑ Water Meter / Exempt: — No.: Sizes: Deduct ❑ Water Only ❑ ❑ Water Meter / Permanent — No.: Sizes' ❑ Water Meter; Temporary:— No.: Sizes: Estimated quantity: Schedule: i other: /ire e `i/ (LQa) Phone No.: City /State/Zip: Phone No.: City /State /Zip: -New Building ::::'MISCELLANEOUS ? Square . INFORMATION :.................: Footage: King County Assessors valuation of existing structures: ❑ Apartments ❑ Condominiums ❑ Other: ❑ Warehouse ❑ Manufacturing ❑ Remodel/ Addition ❑ Church ❑ Hospital ❑ Other: Square footage of original building space: ❑ School /College /University Square footage of additional building space: Valuation of work to be done:. $ :; k: HEREB.Y CER:TIF ::> ' T AVE :RE . > THIS: APP.:.:L`lCi4T/ON:' 4ND< KNOW: < THE:; SAME: >TO >`BE:TRUE >'ANU CORRECT > ........................ ............................... .... ............................... . Applicant /Authoriz: d Agent Signature: • F Contact Person. __, , /l� (print name): P�. l' r -at ki Print Name: / U���G., Address: <r2 /6 SO /6 (/- Date: v y s Pone: cl o / Phone: C 1 Date Application Acrted• c' APR 2 4 1995 Date Application Expires: o PERMIT CENTER 1ttF: ?i4 04/22/92 z �w e:2 00 CO CO 0 = CO LL. w0 LLQ co I I- w Z= H O Z ~ w U� OP- 0— ww 1-- H U. O wz = O~ z SUBMITTAL CHE%,KLIST All site plans shall be provided in one submittal for review by the Public Works Department. Six (6) sets of plans stamped by a licensed engineer are required along with this application completed and signed by the applicant's representative. The following information is necessary for Public Works Department evaluation and approval of site plans: • All utility construction is to meet the City of Tukwila Standards • Indicate scale of drawing and show north arrow • Identify location by address or distance to nearest intersection • Identify public right-of -way and any easements Use standard 24' x 36" sheets for all site plans CURB CUT /ACCESS /SIDEWALK / CHANNELIZATION /STRIPING/SIGNING 0. Dimensions . O Type of surfacing asphalt, crushed rock, etc.(and thickness) O Percent of slope and runoff direction O Size: of curb cuts/ locations O Vehicular and pedestrian traffic facilities, including signing and striping, wheel chair ramps, curb cuts 0. 20' of paving on all gravel driveways connecting to paved roads FIRE LOOP /HYDRANT. O Type of pipe ) hydrant O Size of pipe /location • O Location and type of all valves O Type of bedding and backfill "material /percent compaction O Distance from structures, storm and sewer facilities O Location and size of thrust blocking • FLOOD ZONE CONTROL `(Requirements are under Rood Ord No. 1462 and can be obtained from the Public Works Dept.) O Lowest finished floor elevation O :Contours and elevations per National Geodetic Vertical Datum LAND ALTERING (CLEARING, CUT AND FILL) O Contour.. map (2' intervals) showing existing: and proposed contours O . 'Estimate of yardage, both cut and fill O Erosion control plan with temporary and permanent measures HAULING O Quantities of materials to be hauled to and/or from site 0: 'Copy of Certificate of insurance coverage (minimum $1,000,000) O ,$2,000 bond made out to the City of Tukwila for property damages • caused by activities O Route map LANDSCAPE IRRIGATION O Location of DSHS approved double check valve O Type of pipe - copper, high density molecular plastic, ductile O Size and depth of pipe O Size of meter and meter box O Location and elevation of meter box (water meter - permanent and exempt). Clearly show whether tap is on main or domestic service O Location and type of tap O 'Type of bedding and backfill material / percent compaction • ::MOVING AN OVERSIZED LOAD O Copy of Certificate of insurance coverage (minimum $1,000,000) O $5,000 bond made out to the City of Tukwila for property damages caused by activities O Business License with City of Tukwila O Route map O Dimensions (L X W X H) of overall iudd Aer I SANITARY SIDE SEWER 0 Type of pipe - concrete, PVC, etc. O Size of pipefocation O Percent of slope on pipe/length of run O Connection point(s) to existing system O Location of cleanout(s) and test Tec(s) O Type of bedding and backfill material/percent compaction O Invert elevations at structures and junctions SEWER MAIN EXTENSION O Type of pipe - concrete, PVC, etc. O Size of pipe/location O Percent of slope on pipe/length of run O Connection point(s) to existing system O Location of cleanouts and manholes O Type of bedding and backfill material /percent compaction STORM DRAINAGE (include existing topography and proposed grading and surfacing) O Type of pipe — concrete, ADS, etc. O Size of pipe / location O Percent of slope on pipe / length of run O Location of all structures O Square footage of area to be drained, including roof area O Type of bedding and backfill material / percent compaction O Invert or flow line elevations • STREET USE O Complete description of proposed activity O . Map with address and outline of limits of activity relative to public right -of -way and easements O Proposed traffic control/detour (per Manual of Uniform Traffic, Control Devices) O Proposed schedule (times and dates) WATER MAIN EXTENSION O Type of pipe — copper, PVC, etc. O Size of pipe / location O Hydrant types and locations O Valve types and locations 0: Connection point(s) to existing system O Type of connection - live tap, tee, etc. O Location and size of thrust blocking O Size and location of mains, including elevations (profile) WATER METER - EXEMPT . O Diagram of domestic system/tie in of exempt meter O Number /account for existing domestic meter O Size and type of material of meter, service and meter box O Site address . WATER METER - PERMANENT. O Type of pipe - .copper, high density molecular plastic, ductile O Size and depth of pipe O Size of meter and meter box O Location and elevation of meter box (water meter - permanent and exempt) O Location and type of tap . O Type of bedding and backfill materials /percent compaction WATER METER - TEMPORARY O Address and hydrant location O Size of meter O Estimate of quantity and schedule e 'u. is Wor s ►epartment as comp ete t err review an t e . ans are approve, t e app 'cant wi • - not ie by letter concerning the necessary permits and requirements; an approved set of plans will accompany the letter. 1l the plans are not approved, the applicant will be notified by letter of necessary resubmittal requirements. z Fz rew U0 C 0 CO w J CO LL, w° gQ cri I— w z = z° w O - w w o wz 0 1' z