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BLD20130190-Chang_ENG1.pdf City of Edmonds TH 121 5AVENUE NORTH •EDMONDS, WA 98020 • (425) 771-0220 FAX (425) 771-0221 Website: www.edmondswa.gov PUBLIC WORKS DEPARTMENT EngineeringDivision Plan Review Corrections Plan Check :Date: #BLD20130191March 28, 2013 Project Name/Address: Change –17134 Talbot Rd Contact Person/Address/Fax: Jonathan Richards –jonathan_59@hotmail.com Reviewer:Jennifer LambertDivision:Engineering During review of the subject submittal,it was found that the following information, corrections, or clarifications wouldneed to be addressed. Our handouts can be found online at the City of Edmonds web site www.edmondswa.govunder the permit assistance menu. Please resubmit 3 copies of the revised plans/documents to a Development Services Coordinator. Please contact me at 425-771-0220 if you have specific questions regarding these plan corrections. Site Plan: 1.Please remove the utilities from the plan or show only the proposed utilities and label as such. 2.Please remove all erosion control measures and place on the Grading Plan. Grading, TESC Plan: 1.Please rename the “Grading Plan” to “Grading & TESC Plan”. th 2.Please add a haul route plan. Trucks should enter/exit through 76Ave W. 3.Please show the applicable erosion control measures (i.e. silt fence, barrier fences around trees and at limits of construction, etc.). 4.Per the Geotechnical Report by Liu & Associates,please note on the plans that the silt fence should be anchored in a trench filled with onsite soil. 5.Per the Geotechnical Report by Liu & Associates, please show a layer of clean 2 to 4 inch quarry spalls placed over areas offrequent traffic, such as the entrance to the site, as required, to protect the subgrade soils from disturbance by construction traffic. 6.Please note on the plans that all spoil soils will be hauled off site. DATE MAILED/FAXED3/28/2013PAGE ____ OF ___ 13 7.Please add the following noteto the plans: “Per the Geotechnical Report by Liu & Associates, Inc., st grading on the subject property shall only occur between April 1 and October 31.” 8.Please add a note that no construction debris/materials, spoil soils and yard wasteshould be dumped onto the steep bluff. 9.Please note that special inspections will be required for all erosion control throughoutthis project in accordance with the Geotechnical Report submitted by Liu & Associates. Drainage, Utility plan: General: 1.Please add a generalnotes section (example attached). 2.Please add a construction sequence section(example attached). 3.Please add a note that all stormwater systems will be constructedprior to the construction of any impervious surfaces. 4.Please rename the “Drainage Plan” to “Drainage and Utility Plan”. 5.Please provide a copy of the easement that allows you to use 16920 Talbot Rd’s property for access and utilities. 6.Please reference the easement number on the plans. 7.Please note on the plans what surface material will be used for the driveway. 8.Per the Geotechnical Report by Liu & Associates, the driveway subgrade soil shall be treated and prepared as described in the Site Preparation and General Earthwork section of the Geotechnical Report. A special inspection will be required prior to paving the driveway. Utilities: 1.Please show location of allproposedutilities (water, sewer, storm, gas, power, phone, cable) a.Please add a note to the plans that all new utilities must go underground. 2.Please show the proposed sewer linefrom the main to thehouse. a.If you intend to re-use the existing sewer lateral, please add the following note: “If re-using the existing sewer lateral the conditionof the pipemust be verified by City’s Public Works Dept. Contact Edmonds Sewer Division 425-771-0235”. Please also note that the lateral must be 6” to re-use. b.Please show all invert elevations at the cleanouts and at the connection to the main. c.Please show the 6” cleanout (with 12” cast iron lamphole cover and ½” hexbolts) at the property line. d.Please show a cleanout within 2’ of the house. e.Please note whatpipe material will be used for the sewer. DATE MAILED/FAXED3/28/2013PAGE ____ OF ___ 23 2.Please show the water service line from the meter to the house. 3.Please note what pipe material and size line will be used as well as noting that tracer wire will be added to the water service lineif copper pipe is not used. 4.Please note on plans that the water service line will be a minimum of 1” diameter pipe at 160 PSI. Drainage: 1.Please add a general note on the plans: if rim to invert exceeds 5’ a Type II manhole must be installed. 2.Please provide invert elevations for the roof drains at the house so that proper cover can be verified. 3.Per the Geotechnical Report by Liu & Associates, the water collected by the perimeter footing subdrain system should be tightlined separately from the roof and surface stormwater drain lines. Please show where the footing drains will outfall and show that the proposed outfall is consistent with the Geotech Report. 4.Please provide rim and invert elevations for all catch basins for all inlet and outlet pipes. 5.As noted in the Geotech Report, the preferred option is to discharge collected stormwater to an existing storm line (either across neighboring private property or to BNSF property). a.Please statewhy this cannotbe achieved. b.The City Stormwater Engineer has expressed concerns with full dispersion on this property given the steep slope. c.If the plans are revised to show the collected water from the subject property discharging through the neighboring property or BNSFthe following will be required: i.Approval letter from neighboring property and/or BNSFand subsequent recording of an easement, ii.A downstream analysisprepared by a licensed engineershowing that the additional flows can be handled inthe existingsystem. 6.Please provide a letter from the GeotechnicalEngineer confirming the proposed stormwater system (including the release of the perimeter footing subdrain system) complies with the Liu & Associates, Inc, report dated 9/15/12. 7.If anyinfiltration is to occur on this lot, the Geotechnical Report will need to be revised to include recent infiltration testing on the subject site. The report relies on testing done on the adjacent site completed 17 years ago. DATE MAILED/FAXED3/28/2013PAGE ____ OF ___ 33 CONSTRUCTION SEQUENCENOTES 1.SCHEDULE A PRE-CONSTRUCTION MEETING WITH CITY ENGINEERING DIVISION AT 425-771-0220, EXT. 1326.TWO DAY (48 HR) NOTICE IS REQUIRED. 2. REVIEW TEMPORARY EROSION AND SEDIMENT CONTROLNOTES. 3. CALL FOR UTILITY LOCATES. 4. INSTALL TESC MEASURES AND MAINTAIN DUST CONTROLWHILE PREVENTING DISTURBANCE OF ANY AREAS OF VEGETATIONOUTSIDE THE CONSTRUCTION ZONE. 5. HAVE EROSION CONTROL MEASURES INSPECTED BY CITY OF EDMONDS CITY ENGINEERING INSPECTOR. ALL TEMPORARY SEDIMENTATION AND EROSION CONTROL MEASURES MUST BE IN PLACE AND INSPECTED PRIOR TO ANY CONSTRUCTION OR SITE CLEARING. EROSION AND SEDIMENTATION CONTROL PRACTICES AND/OR DEVICES SHALL BE MAINTAINED UNTIL PERMANENT VEGETATION IS ESTABLISHED. 6.DEMOLISH EXISTING STRUCTURES 7.ROUGH GRADE SITE AS REQUIRED TO INSTALL DRAINAGE FEATURES. 8. CLEAR, GRUB & ROUGH GRADE SITE. REVEGETATE DISTURBED AREAS NOT SUBJECT TO ADDITIONAL SURFACE DISTURBANCE IMMEDIATELY AFTER ROUGH GRADING. (OTHER EXPOSED AREAS SHALL BE STABILIZED PER EROSION CONTROL NOTES BELOW) 9. INSTALL UTILITIES AND OTHER SITE IMPROVEMENTS, INCLUDING FRONTAGE IMPROVEMENTS. 13. STABILIZE AND COMPOST AMEND ALL EXPOSED SOILS PRIOR TO REVEGETATION OFENTIRE SITE. 14. ESTABLISH LANDSCAPING AND PERMANENT VEGETATION.ALL TEMPORARY EROSION CONTROL MEASURES SHALL BE REMOVED UPON FINAL SITE STABILIZATION AND APPROVAL BY CITY INSPECTOR. Revised 11/30/2012 GENERAL NOTES 1. ALL MATERIALS AND WORK SHOWN ON THESE PLANS SHALL CONFORM TO THECITY OF EDMONDS STANDARDPLANS AND DETAILS, THE FOLLOWING SPECIFICATIONS AND CODES,AND ALL OTHER APPLICABLE LOCAL MUNICIPAL, STATE, AND FEDERAL CODES,RULES AND REGULATIONS: -CURRENT INTERNATIONAL BUILDING CODE(IBC) -2012WSDOT/APWA STANDARD SPECIFICATIONS FOR ROAD, BRIDGE AND MUNICIPAL CONSTRUCTION -WASHINGTON STATE DEPARTMENT OF ECOLOGY STORMWATER MANAGEMENT MANUAL FOR THE PUGET SOUND BASIN (CURRENT EDITION) 2. STANDARD PLAN AND TYPE NUMBERS INDICATED ON THESE DRAWINGS REFERTO CITY OF EDMONDS STANDARD DETAILS, UNLESS NOTED OTHERWISE 3. A COPY OF THESE APPROVED PLANS MUST BE ON THE JOBSITE WHENEVER CONSTRUCTION IS IN PROGRESS. 4. DEVIATIONS FROM THESE PLANS MUST BE APPROVED BY THE ENGINEER OF RECORD AND THE LOCAL GOVERNING AUTHORITY. 5. CONTRACTOR SHALL RECORD ALL APPROVED DEVIATIONS FROM THESE PLANSON A SET OF "AS-BUILT" DRAWINGS AND SHALL SUMMARIZE ALL AS- BUILTCONDITIONS ON ONE SET OF REPRODUCIBLE DRAWINGS FOR SUBMITTAL TO THEOWNERPRIOR PROJECT COMPLETION AND ACCEPTANCE. A SET OF AS- BUILT DRAWINGS SHALL BE SUBMITTED TO THE CITY OF EDMONDS PRIOR TO FINAL APPROVAL OF THE BUILDING OCCUPANCY/FINAL PROJECT APPROVAL. 6. ELEVATIONS SHOWN ARE IN FEET. SEE SURVEY FOR BENCHMARK INFORMATION. 7. THE LOCATIONS OF EXISTING UTILITIES AND SITE FEATURES SHOWN HEREON HAVE BEEN FURNISHED BY OTHERS BY FIELD SURVEY OR OBTAINED FROM AVAILABLE RECORDS AND SHOULD THEREFORE BE CONSIDERED APPROXIMATE ONLYAND NOT NECESSARILY COMPLETE. IT IS THE SOLE RESPONSIBILITY OF THECONTRACTOR TO INDEPENDENTLY VERIFY THE ACCURACY OF ALL UTILITY LOCATIONS SHOWN AND TO FURTHER DISCOVER AND PROTECT ANY OTHER UTILITIES NOT SHOWN HEREON WHICH MAY BE AFFECTED BY THE IMPLEMENTATION OF THIS PLAN. CONTRACTOR SHALL VERIFY LOCATION, DEPTH, SIZE, TYPE ANDCONDITION OF EXISTING UTILITY LINES AT CONNECTION OR CROSSING POINTSBEFORE TRENCHING FOR NEW UTILITIES. ENGINEER ASSUMES NORESPONSIBILITY FOR THE COMPLETENESS OR ACCURACY OF THE EXISTINGUTILITIES AND SITE FEATURES PRESENTED ON THESE DRAWINGS. ENGINEER SHALL BE NOTIFIED IMMEDIATELY OF CONFLICTS THAT ARISE. 8. CONTRACTOR SHALL LOCATE AND PROTECT ALL UTILITIES DURING CONSTRUCTION AND SHALL CONTACT THE UNDERGROUND UTILITIES LOCATION SERVICE (1-800-424-5555) AT LEAST 48 HOURS PRIOR TO CONSTRUCTION. 9. CONTRACTOR SHALL VERIFY ALL CONDITIONS AND DIMENSIONS AT THE PROJECT SITE BEFORE STARTING WORK AND SHALL NOTIFY OWNER'S REPRESENTATIVE OF ANY DISCREPANCIES. 10. PIPE LENGTHS WHERE SHOWN ARE APPROXIMATE AND MAY CHANGE DUE TO FIELD CONDITIONS. 11. CONTRACTOR SHALL OBTAIN A COPY OF THE GEOTECHNICAL REPORT (WHERE APPLICABLE) AND SHALL THOROUGHLY FAMILIARIZE HIMSELF WITH THECONTENTS THEREOF. ALL SITE WORK SHALL BE PERFORMED IN STRICT COMPLIANCE WITH THE RECOMMENDATIONS OF THIS REPORT. 12. STRUCTURAL FILL MATERIAL AND PLACEMENT SHALL CONFORM TO THE RECOMMENDATIONS OF THE PROJECT GEOTECHNICAL REPORT. 13. MANHOLES, CATCH BASINS, UTILITIES AND PAVEMENT SHALL BEAR ON MEDIUM DENSE TO VERY DENSE NATIVE SOIL OR COMPACTED STRUCTURAL FILL.IF SOIL IS DISTURBED, SOFT, LOOSE, WET OR IF ORGANIC MATERIAL IS PRESENT AT SUBGRADE ELEVATION, REMOVE AND REPLACE WITH COMPACTED STRUCTURAL FILL PER GEOTECHNICAL REPORT. 14. SEE SURVEY AND ARCHITECTURAL DRAWINGS FOR DIMENSIONS AND LOCATIONSOF BUILDINGS, LANDSCAPED AREAS AND OTHER PROPOSED OR EXISTING SITEFEATURES. 15. SEE ARCHITECTURAL DRAWINGS FOR PERIMETER FOUNDATION DRAINS. FOUNDATION DRAINS SHALL BE INDEPENDENT OF OTHER SITE DRAIN LINES AND SHALL BE TIGHTLINED TO THE STORM DRAIN SYSTEM WHERE INDICATEDON THE PLANS. 16. ALL REQUIRED STORMWATER FACILITIES MUST BE CONSTRUCTED AND IN OPERATION PRIOR TO INSTALLATION OF ANY PAVEMENT UNLESS OTHERWISE APPROVED BY THE ENGINEER. 17. ALL ROOF DRAINS, PERIMETER FOUNDATION DRAINS, CATCH BASINS AND OTHER EXTERNAL DRAINS SHALL BE CONNECTED TO THE STORM DRAINAGE SYSTEM, UNLESS NOTED OTHERWISE. 18. CONTRACTOR SHALL OBTAIN AND PAY FOR ALL PERMITS REQUIRED FOR INSTALLATION OF ALL SITE IMPROVEMENTS INDICATED ON THESE DRAWINGS. 19. AS A MINIMUM REQUIREMENT, ALL DISTURBED AREAS ON AND OFF SITE SHALL BE RETURNED TO THE EQUIVALENT OF THEIR PRECONSTRUCTION CONDITIONIN ACCORDANCE WITH APPROPRIATE REQUIREMENTS AND STANDARDS. 20. ALL DISTURBED SOIL AREAS SHALL BE SEEDED OR STABILIZED BY OTHER ACCEPTABLE METHODS FOR THE PREVENTION OF ON-SITE EROSION AFTER THE COMPLETION OF CONSTRUCTION. SEE EROSION CONTROL PLANS FOR SPECIFIC GRADING AND EROSION CONTROL REQUIREMENTS. 21. THE CONTRACTOR SHALL KEEP OFF-SITE STREETS CLEAN AT ALL TIMES BY SWEEPING. WASHING OF THESE STREETS WILL NOT BE ALLOWED WITHOUT PRIORAPPROVAL. 22. THIS PROJECT IS NOT A BALANCED EARTHWORK PROJECT. BOTH EXPORT AND IMPORT OF SOIL AND ROCK MATERIALS ARE REQUIRED. 23. SLOPE OF FINISHED GRADE SHALL BE CONSTANT BETWEEN FINISHED CONTOURS OR SPOT ELEVATIONS SHOWN. 24. FINISHED GRADE SHALL SLOPE AWAY FROM BUILDING WALLS AT MINIMUM 5%SLOPE FOR A MINIMUM DISTANCE OF 10 FEET. 25. CONTRACTOR SHALL BE RESPONSIBLE FOR AND SHALL INSTALL AND MAINTAINSHORING AND BRACING AS NECESSARY TO PROTECT WORKERS, EXISTINGBUILDINGS, STREETS, WALKWAYS, UTILITIES AND OTHER EXISTING ANDPROPOSED IMPROVEMENTS AND EXCAVATIONS AGAINST LOSS OF GROUND OR CAVINGEMBANKMENTS. CONTRACTOR SHALL ALSO BE RESPONSIBLE FOR REMOVAL OFSHORING AND BRACING, AS REQUIRED. 26. CONTRACTORSHALL OBTAIN APPROVAL FROM THE CITY AND FOLLOW CITY PROCEDURES FOR ALL WATERSERVICE INTERRUPTIONS, HYDRANT SHUTOFFS, STREET CLOSURES OR OTHER ACCESS RESTRICTIONS. CONTRACTOR SHALL NOT RELOCATE OR ELIMINATE ANY HYDRANTS WITHOUT FIRST OBTAINING WRITTEN APPROVAL FROM THE FIRE MARSHAL. 27. COORDINATE AND ARRANGE FOR ALL UTILITY CONNECTIONS, UTILITY RELOCATIONS AND/OR SERVICE INTERRUPTIONS WITH THE AFFECTED OWNERS ANDAPPROPRIATE UTILITY COMPANIES. CONNECTIONS TO EXISTING UTILITIES SHALLBE MADE ONLY WITH ADVANCE WRITTEN APPROVAL OF THE AUTHORITIES GOVERNINGSAID UTILITIES. 28. EXISTING UTILITY LINES IN SERVICE WHICH ARE DAMAGED DUE TO CONSTRUCTION WORK SHALL BE REPAIRED AT CONTRACTOR'S EXPENSE AND INSPECTED AND ACCEPTED BY CITY OF EDMONDS AND OWNER'S REPRESENTATIVE PRIOR TO BACKFILLING. 29. NEW UTILITY LOCATIONS ARE GENERALLY SHOWN BY DIMENSION, WHERE NODIMENSIONS ARE INDICATED, LOCATIONS MAY BE SCALED FROM DRAWINGS. FIELDADJUSTMENTS SHALL BE APPROVED BY OWNER'S REPRESENTATIVEAND CITY. 30. WHERE NEW PIPECLEARS AN EXISTING OR NEW UTILITY BY 6" OR LESS, PLACE POLYETHYLENE PLASTIC FOAM AS A CUSHION BETWEEN THE UTILITIES. 31. SEE MECHANICAL DRAWINGS (WHERE APPLICABLE) FOR CONTINUATION OF SITEUTILITIES WITHIN THE BUILDING. 32. SEE ELECTRICAL DRAWINGS (WHERE APPLICABLE) FOR EXTERIOR ELECTRICALWORK. 33. SEE LANDSCAPE DRAWINGS (WHERE APPLICABLE) FOR SITE IRRIGATION SYSTEM.