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HomeMy WebLinkAboutSWP272298(2) FOR DISTRIBUTION TO: 29 Water Utility ® Building Divlslon Wastewater Utility ® Public Works Constr Inspector Surface Water Utility l Fire prevention 121 Maintenance SerYlces r� Transportation Systems Projecr: !ucallon: S' Amched please find copies or: � 9 PERMIT ® BILLS Or SALE RECEIPT ® COST DATA INVENTORY LETTER OF SPECIAL BILLING ® EASEMENT(S) STUB SERVICE AGREEMENT ® COPY OF AS-BUILT PRECON NOTES ��^�''i^ C�Or PRECON ATTENDEES DRAINAGE REPORT u MEMO - WATER BREAKDOWN r'f MAP WITH NEW MAINS AND VALVES OT1-1ER !D:F�C04:00 Tf MI ' ELJ U L 1 7 1996 B—Ul-LL-1 L X. .?kid ?is ct.) ��!�t:lii� X. :.:......:.:.......;:....>:.::::.::;.;:.;::.;:;;::.;:.;;: ::::::: ::::::i :< ::::::::: :::::::2:::::::::::::::.............................. .............:...:.::...�............ ...::....: :::::.�::.........:::::::::::::::::::::.:::::.::..:.....:: .:::::::::..:::::::::::::::::::::::::::::.:::::::::::::::::::....:::::::::::::::::::::::::::;::;:;:;:;:.... OUR JOB NO. 5825 JUNE 10, 1996 �Py Q� 9 23S75 W� GIs NA NAL Prepared By: r EXPIRES BARGHAUSEN CONSULTING ENGINEERS, INC. 18215 72ND AVENUE SOUTH KENT, WASHINGTON 98032 (206) 251 -6222 m�¢G14ACj��2 sa CIVIL ENGINEERING, LAND PLANNING, SURVEYING, ENVIRONMENTAL SERVICES TABLE OF CONTENTS i I. PROJECT OVERVIEW H. PRELIMINARY CONDITIONS SUMMARY III. OFF-SITE ANALYSIS: A. Upstream Drainage Analysis B. Downstream Drainage Analysis IV. RETENTION/DETENTION ANALYSIS AND DESIGN V. CONVEYANCE SYSTEM ANALYSIS AND DESIGN VI. SPECIAL REPORTS AND STUDIES: A. Geotechnical Engineering Study VII. BASIN AND COMMUNITY PLAN AREAS VIII. OTHER PERMITS IX. EROSION/SEDIMENTATION CONTROL DESIGN X. ADDITIONAL DOCUMENTS A. Bond Quantity Worksheet B. Declaration of Covenant XI. MAINTENANCE AND OPERATION MANUAL 5519.003[DD/cal I. PROJECT OVERVIEW This project is located on the south side of South Grady Way, and is approximately 300 feet east of Hardie Avenue. This project is also part of the Renton Village Shopping Center, and contains approximately .64 acres of area. Currently, the project is covered almost entirely by asphalt. A portion of this asphalt is used for parking for the adjacent businesses, and the rest of the asphalt was used at one time as a drive through for the adjacent bank. (The existing bank is being demolished by others.) There are also a number of power transformers and telephone vaults located on the site. Since we are matching the existing grade relatively close, these existing features will remain as is. The proposal for this project is to remove the existing drive through and asphalt, and construct a McDonald's restaurant. In doing this, the asphalt area will be decreased and the landscape area will be increased. 5825.001 [DD/ps] Page 1 of 2 King County Building and Land Development Division TECHNICAL INFORMATION REPORT (TIR) WORKSHEET PART 1 PROJECT OWNER AND PART 2 PROJECT • • PROJECT • Project Owner Itq 5[�fSA2,pS trpQ j jprj Project Name �r`Tat4 Ul LL"fr-, (-U Address D 20 N P21VE. Ka Location Phone 290 ��-970d Township Z3 rJ Project Engineer ++1 Range 5 E Company , em4flm6eoe-S Section I3 Address Phone 1$Z15 ?2t Nb 4 f S 4::f �'f Project Size _ • 41+ AC 1 _LZz Upstream Drainage Basin Size AC • PART , OTHER Subdivision = DOF/G HPA 0 Shoreline Management Short Subdivision 0 COE 404 Rockery Grading = DOE Dam Safety Structural Vaults [� Commercial ® FEMA Fioodplain Other Other COE Wetlands HPA COMMUNITYPART 5 SITE - Community (�lef-t� f�1,�1 UW vAi-re Y Drainage Basin PART 6 SITE CHARACTERISTICS River Floodplain Stream Wetlands 0 Critical Stream Reach 0 Seeps/Springs 0 Depressions/Swales High Groundwater Table ED Lake Groundwater Recharge Steep Slopes Gther Lakeside/Erosion Hazard SOILSPART 7 Soil Type Slopes Erosion Potential Erosive Velocities 1'56 Additional Sheets Anatched t/9p Page 2 of 2 King County Building and Land Development Division TECHNICAL INFORMATION REPORT (TIR) WORKSHEET DEVELOPMENTPARTS REFERENCE LIMITATION/SITE CONSTRAINT Ch.4-Downstream Analysis a 0 a - o _ 0 Additional Sheets Attatched PART 9 ESC REQUIREMENTS MINIMUM ESC REQUIREMENTS MINIMUM ESC REQUIREMENTS DURING CONSTRUCTION FOLLOWING CONSTRUCTION 0 Sedimentation Facilities ® Stabilize Exposed Surface Stabilized Construction Entrance 0 Remove and Restore Temporary ESC Facilities ® Perimeter Runoff Control ® Clean and Remove All Silt and Debris Clearing and Grading Restrictions 117, Ensure Operation of Permanent Facilities 0 Cover Practices 0 Flag Limits of NGPES Construction Sequence 0 Other 0 Other IlPART i SURFACE WATER SYSTEM Grass Lined Channel 0 Tank 0 Infiltration Method of Analysis Pipe System 0 Vault 0 Depression Open Channel 0 Energy Dissapator 0 Flow Dispersal Compensation/Mitigation 0 Dry Pond Wetland 0 Waiver of Eliminated Site Storage 0 Wet Pond Stream 0 Regional Detention Brief Description of System Operation 45(� W{,'(� RuNjppr-r (k3I(� 89-_ CuLlgc-relt) _ _CDC Sf.T�, wt) tBpep (NTb SP4/9— 5)(5-MM AS SST M 6 C0111D)776K). Facility Related Site Limitations 0 Additional Sheets Attatched Reference Facility Limitation (May require special s1ructural review) 0 Drainage Easement 0 Cast in Place Vault 0 Other [$( Access Easement 0 Retaining Wall 0 Native Growth Protection Easement 0 Rockery>4'High 0 Tract 0 Structural on Steep Slope 0 Other • - • • Ior a civil engineer under my supervision have visited the site.Actual site conditions as observed were incorporated into this worksheet and the attatchments. To the best of my knowledge the information provided here is accurate. s ,,.dn.1.p 1190 ..1^1 1 Cl f + rWrn - -__ ___—J__. - __ _ �_ _.__ _ ^� tl `�, IYI ♦� 6TN � IL N� 3r is! N T-", t '<arrnr.,�u N I 6TN ST / •f •a C a a a UN Yli I .E I75,u N xE Z r"� tl r ' F'`V HE to SIN s7� SE I 176+N' = Il l� a �'�y �$ `I 1plitr.o-.1411�Z d i=I h. r»r�f■not�w��=I < i g s �INCh�T NIMDSQR p�po.CC N C t < TfGI 31 = i Ni j Xw 'N 1 J�' 128TH 2! 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PRELIMINARY CONDrrION SUMMARY Not applicable. 5825.001 [DD/ps] III. OFF-SITE DRAINAGE ANALYSIS The proposed project does not currently received any off-site storm drainage runoff. This is due to the fact that the site is situated higher in elevation than the existing streets and parking lots, causing water to be shed away from the site rather than toward it. There is currently a storm drainage system on site. The majority of the storm drainage runoff that occurs on site is taken into this system. The rest of the on-site runoff that is not contained within the on-site system drains to the south and east into the existing storm drainage system for the Renton Village Shopping Center parking lot. We are proposing to relocate some of the existing catch basins and storm drainage lines on site. However, all of the on-site drainage will drain into the same systems as it currently does. 5825.001 [DD/ps] IV. RETENTION/DETENTION ANALYSIS AND DESIGN Since this project will provide less asphalt and more landscaping, we are not required to provide any formal detention system, or water quality facilities. We have discussed the detention and water quality issues with City of Renton personnel and determined that they were not needed, since we are decreasing the on-site impervious area. 5825.001 1DD/ps] V. CONVEYANCE SYSTEM ANALYSIS AND DESIGN Enclosed are typical calculations necessary for sizing the pipe facilities proposed on this project. The rational method and Mannings formula were used for the sizing purposes. The conveyance pipes have been sized to accommodate a 25-year storm occurrence level at a flowing-full condition. The intent of the pipe system within the parking lot is to convey the stormwater runoff into the existing pipe system. 5825.001 [DD/ps] VI. SPECIAL REPORTS AND STUDIES At this time there are no special reports or studies included in this drainage report. 5825.001 [DD/ps]