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Home My WebLink AboutR-419232C\I c:) qT cl w 1932 FImt Ave SuIte 201 Seattle, WA 98101 p. 206.725.1211 m m M f. 2G6.973,5344 engineering pllcwww.IpdengIneerIngCw CITY OF RENTON DRAINAGE NOTES ME FOLLOWING IS A LISTING OF GENERAL NOTES THAT SHALL BE INCORPORATED IN THE DRAINAGE PENN SET. 15. BUILDINGS AND OTHER STRUCTURES SHALL. BE PLACED IN ACCORDANCE MM TABLE 4.1 EASEMENT WIDTHS ALL THE NOTES ON THE LIST MAY NOT PERTAIN TO EVERY PROJECT THE APPLICANT OR OWNER, HEIRDBY AND BUILDING SETBACKS LINES OF ME RENTON SWDM. REFERRED TO AS APPLICANT, MAY STRIKE OUT IRRELEVANT NOTES IF NOT APPLICABLE TO ME PROJECT. HOWEVER, THE APPLICANT SHALL NUT RENUMBER NOR EDIT THE REMAINING NOTES. IF ADDITIONAL NOTES ME NEEDED FOR SPECIFIC ASPECTS, THU SHALL BE ADDED AFTER THE SURFACE WATER STANDARD PEAK NOTES. 1 . BEFORE ANY CONSTRUCTION OR DEVELOPMENT ACTIVITY OCCURS. A PRE -CONSTRUCTION MEETING SHALL BE HEW MOND THE CITY OF RENTON. HERESY REFERRED TO AS THE CITY, THE APPLICANT, AND THE APPLICANT'S CONTRACTOR. 2� ME APPLICANT SHALL BE RESPONSIBLE FOR SECURING ALL NECESSARY CITY, STATE, AND FEDERAL PERMITS PRIOR TO CONSTRUCNON. 1 ALL STORM DRAINAGE IMPROVEMENTS SHALL BE DESIGNED AND CONSTRUCTED IN ACCORDANCE WITH ME LATEST EDITION OF THE CITY OF RENTON SURFACE WATER DESIGN MANUAL RENTON SWDMI RENTON MUNICIPAL CODE (RMI AND THE STANDARD SPECIFICATIONS FOR READ, BRIDGE AND MUNICIPAL CONSTRUCTION PREPARED BY WSDOT AND ME AMERICAN PUBLIC WORKS ASSOCIATION (APWA). IT SHALL BE ME SOLE RESPONSIBILITY OF THE APPLICANT TO CORRECT MY ERROR, OMISSION OR VARIATION FROM THE MORE REQUIREMENTS FOUND IN THE PEAKS. ALL CORRECTORS SHALL BE AT NO ADDITIONAL COST TO ME CITY. k APPROVAL OF ME ROAD, GRADING, PARKING, BUILDING, AND DRAINAGE PENN DOES NOT CONSTITUTE AS APPROVAL OF ANY OTHER CONSTRUCTION MG. WATER, SEWER, GAS, ELECTRICAL ETC.). PLAINS FOR STRUCTURES SUCH AS BRIDGES, VAULTS. AND RUNNING WA1_1_S REQUIRE A SEPARATE RENEW AND APPROVAL EY THE CITY PRIOR TO CONSTRUCTION. ME SURFACE WATER DRAINAGE SYSTEM SHALL BE CONSTRUCTED ACCORDING TO ME APPROVED PLAINS. ANY DEVIATION FROM THE APPROVED PLANS WILL REQUIRE COORDINATION FOLLOWED BY WRITTEN APPROVAL FROM THE CRY, 5� A COPY OF THE APPROVED PLAINS SHALL BE ON THE JOB SIM WHENEVER CONSTRUCTION IS IN PROGRESS. 5, ME LOCATIONS OF ALL EXISTING UTILITIES SHOWN HEREON HAVE BEEN ESTABLISHED BY FIELD SURVEY OR OBTAINED MOM AVAILABLE RECORDS AND SHALL THEREFORE BE CONSIDERED APPROXIMATE ONLY AND NOT NECESSARILY COMPLETE. IT IS THE SOLE RESPONSIBILITY OF THE APPLICANT AND THE APPLICANICS CONTRACTOR TO INDEPENDENTLY VERIFY THE ACCURACY OF ALL UTILITY LOCATIONS SHOWN, AND TO FORMER DISCOVER AND AVOID ANY OTHER WILMES NOT SHOWN HEREON THAT MAY BE AFFECTED BY THE IMPLEMENTATION OF THIS PLAN. THE APPUCMT SHALL RECORD ON ME AS-BUII T DRAWINGS ALL UNDOCUMENTED UTILITIES DISCOVERED AND MY CHANGES TO THE APPROVED PLANS THE APPLICANT SHALL IMMEDIATELY NOTIFY ME ENGINEER OF RECORD IF A CONFLICT EXISTS 7� VERTICAL DATUM SHALL BE NAVD 88 AND HORIZONTAL DATUM SHALL BE HAD 83 (WA STATE PLANE, NOUN) UNLESS OTHERWISE APPROVED BY THE OFF REFERENCE BENCHMARK, DATUM, AND EUVATIONS SHALL BE NOTED ON THE PLANS. 8� ALL UTILITY TRENCH SACKFUL AND ROADWAY SUBGRADE SHALL BE COMPACTED TO 95% MAXIMUM DRY DENSITY PER SECTION 2-03.3(14)D - COMPACTION AND MOISTURE CONTROL TESTS OF THE WSWT STANDARD SPECIFICATIONS. IN PERMEABLE PAVEMENT AND OTHER INFILTRATION AREAS, ALL TRENCH BACKFILL SHALL BE FIRM AND UNYIELDING BUT IN NO CASE SHALL BE COMPACTED TO MORE MAN 92% OF MAMMON CRY DENSITY 9L OPEN CLUING OF EXISTING ROADWAYS FOR STORM DRAINAGE WORK IS NOT ALLOWED UNLESS SPECIFICALLY APPROVED BY THE CITY AND NOTED ON THESE APPROVED PLAINS. ANY OPEN CUT SHALL BE RESTORED IN ACCORDANCE WITH ME CITY TRENCH RESTORATION SCANDARDS. 10� ALL PIPE AND STRUCTURES SHALL BE STAXED FOR SURVEY LINE AND GRACE PRIOR TO THE START OF CONSTRUCTOR. WHERE SHOWN ON THE PLANS OR WHERE DIRECTED BY THE CITY, THE EXISTING MANHOUES, CATCH BASINS, OR INLETS SHALL BE ADJUSTED TO THE GRADE AS SEEMED. M ALL FLOW CONTROL FACIUMES SHALL BE INSTALLED AND IN OPERATION PRIOR TO, OR IN COWUNCTION WITH, MY CONSTRUCTION ACTIVITY UNLESS OTHERWISE APPROVED BY THE CITY. 12� ALL PIPE AND APPURTENANCES SHALL BE FAID ON A PROPERLY PREPARED FOUNDATION IN ACCORDANCE WITH ME CURRENT STATE OF WASHINGTON STANDARD SPECIFICATION FOR ROAD AND BRIDGE CONSTRUMION. THIS SHALL INCLUDE NECESSARY LEVOING OF THE TRENCH B070M OR THE TOP OF THE FOUNDATION RATERAL, AS WELL AS PLACEMENT AND COMPACTOR OF REQUIRED BEDDING MATERIAL TO UNIFORM GRADE So THAT ME ENTIRE LENGTH OF THE PIPE WILL BE SUPPORTED ON A UNIFORMLY DENSE, UNYIELDING BASE. ALL PIPE BEDDING AND BACKMILL SHALL BE AS SHOWN ON THE CITY STANDARD PLAIN 220.00, 220.10, AND 220.20, 11 STEEL PIPE SHALL BE ALUMINIZED, OR GkVANIZED WIN ASPHALT TREATMENT 1, 2, OR 5 INSIDE AND OUTSIDE. 16. LIDS OF MANHOLES/CATCH BASINS WMAIN PUBLIC RIGHT-OF-WAY SHALL NOT BE ADJUSTED TO FIN& GRADE UNTIL AFTER PAVING &L MANHOM/CATCH SAFE RIMS SHALL BE ADJUSTED TO BE FLUSH WITH FINAL FINISHED GRADES, UNLESS OTHERWISE SHOWN. 1T &E DRIVEWAY CULVERTS LOCATED WITHIN CITY RIGHT-OF-WAY SHALL BE OF SUFFICIENT LENGTH TO PINYvIDE A MINIMUM 3 1 SLOPE FROM THE EDGE OF ME DRIVEWAY TO THE B070M OF THE DITCH. M ROCK FOR EROSION PROTECTOR OF ROADSIDE DITCHES, WHERE REQUIRED, SHALL BE OF SOUND QUARRY ROCK PLACED TO A MINIMUM DEPTH OF ONE (1) FOOT AND SHALL MEE THE FOLLOWING SPECIFICATIONS: 4 - 8 INCH ROCK 40 - 70% PASSING; 2 - 4 INCH ROCK 30 - 40% PASSING; AND LESS THAN 2 INCH ROCK / 10 - 20% PASSING, 19 FOOTING DRAINAGE OUSTERS AND ROOF DOWNSPOUT SYSTEMS SHALL NOT BE INTERCONNECTED AND SHALL SEPARATELY CONVEY COULECTED FLOWS TO THE CONVEYANCE SYSTEM OR FLOW CONTROL FACILTY ON THE SIM, UNLESS APPROVED BY THE M. FOOTING DRAINS SHALL. NOT BE CONNECTED TO ON -SITE BMPS. 20 THE END OF EACH STORM GRAIN STUB SHALL BE CAPPED A CUANOUT TOPPED WITH A BOLT -LOOKING ED MARKED "STORMY OR TRAIN" SHALL BE LOCATED AT THE PROPERTY LINE OR AT THE FORT OF CONNECTION OF A PRIVATE STORM DRAINAGE CONVEYkNCE SYSTEM PER ME CITY STANDARD PENN 227,X 21. &_ STORM SYSTEM EXTENSIONS SHALL BE STAKED FOR LINE AND GRACE BY A SURVEV)R LICENSED IN WASHINGTON STATE, AND CUT SHEETS SHALL BE PROVIDED TO THE CITY PRIOR TO CONSTRUCTION. 22. � NEWLY-INST&FED AND NEWLY-REMBILITATED (PUBLIC AND PRIVATE) STORM CONVEYANCE SYSTEMS SHALL BE INSPECTED BY MEANS OF REMOTE SON ACCORDING TO THE CITY STANDARD PLAN 266.W. CM INSPECTIONS AND REPORTS SHALL BE SUBMITTED TO THE CITY PRIOR TO RECEIVING APPROVAL TO INSTALL PROJECT CURBS, GETTERS AND/OR PAVEMENT. 23. &E STORM SYSTEMS AND CONNECTIONS TO EXISnNG MANS SHALL BE TESTED IN ACCORDANCE WIN SECTION 7-04,3(l) OF THE WSDOT STANDARD SPECIFICATIONS AND IN ME PRESENCE OF A REPRESENTATIVE OF ME CITY STORM GRAIN STUBS SHALL BE TESTED FOR ACCEPTANCE AT THE SAME TIME THE MAIN STORM IS TESTED. 24. FOR ALL DISTURBED PERAOUS AREAS (COMPACTED. GRADED. LANDSCAPED, ETC.) OF ME DEVELOPMENT SIM TO MAINTAIN ME MOISTURE CAPACITY OF ME SOIL EITHER STOCKPILE AND REDISTRIBUTE THE EXISTING DUFF OYER AND RANGE TOPSOIL OR AMEND ME SOIL WITH COMPOST IN ACCORDANCE WITH STANDARD PENN 264FM 25 ISSUANCE OF THE BUILDING OR CONSTRUCTION PERMITS BY ME CITY DOES NOT RELIEVE THE APPLICANT OF THE CONTINUING LEGAL OBLIGATION AND/CR LIABILITY CONNECTED WIN STORMWATER DISPOSAL THE M DOES NOT ACCEPT ANY OBLIGATION FOR THE PROPER FUNCTIONING AND MAINTENANCE OF THE STORM SYSTEM PROVIDED DURING CONSTRUCTION. 26 MEDITATE SAFEGUARDS, SAFETY DEVICES, PROTECTIVE EQUIPMENT, FlUNGGERS, AND ANY OTHER ACTIONS NEEDED TO PROTECT THE LIFE, HEALTH, AND SAFETY OF THE PUBLIC, AND TO PROTECT PROPERTY IN CONNECTION WITH THE PERFORMANCE OF WORK SHALL BE PROVIDED. ANY WORK WITHIN THE TRAVELED RIGHT-OF-WAY THAT MY INTERRUPT NORMAL TRIVEFIC FLOW SHALL REQUIRE A TRAFFIC CONTROL PENN APPROVED BY THE CITY. ALL SECTIONS OF THE ASCOT STANDARD SPECIFICATIONS 1-10 TEMPORARY TRAFFIC CONTROL SHALL APPLY. 27. PROJECTS LOCATED WITHIN THE CITY'S AQUIFER PROTECTOR AREA MA) SHALL COMPLY WIN SPECIAL REQUIREMENT #6 OF THE RENTON SWDM AND AourER PROTECTION REGULATIONS (RMC 4-3-050). 28. PLACEMENT OF SURFACE APPURTENANCES (CATCH EASIN/MANHOLE LIDS, CLEklOUTS, INLETS, ETC ) IN ME STREET TRAWL LANE WHEEL PATH, INTERSECTIONS OF STREET TRAVEL DOES, BIKE JANES, SIDEWALKS, AND CROSSWALKS SHALL BE AVOIDED WHENEVER POSSIBLE. ANY SURFACE APPURTENANCE PLACED IN A SIDEWALK OR CROSSWALK SHALL BE F17ED WITH A NON -SLIP OR NON-SKID LID PER ADA REQUIREMENTS. 29. CLEARLY LABEL PUBLIC AND PRIVATE SYSTEMS ON THE PEAKS. PRIVATE SYSTEMS SHALL BE MANTAINED BY THE APPLICANT. 30. MINIMUM COVER OVER STORM DRAINAGE PIPE SHALL CONFORM TO TABLE 42.1.A2 OF THE RENTON SWOM. 31. CONSTRUCTED PERMEABLE PAVEMENT SHALL BE PERMEABLE ENOUGH TO ABSORB WATER AT A MINIMUM RATE lk ALL DRAINAGE STRUCTURES SUCH AS CATCH BASINS AND MANHOLES SHALL BE rMED WITH DUCTILE IRON, OF 20 INCHES PER HOUR IMMEDIATELY AFTER THE PAVEMENT SURFACE HAS BEEN WETTED COMINUOUSLY BOLT -LOCKING UDS PER ME CITY STANDARD PENN 204,10, 204,20, 204,30, 204,40. AND 204.50. FOR AT LEAST 10 MINUTES. COMPLIANCE WIN THIS MINIMUM RARE SHALL BE CHECKED PRIOR TO STRUCTURES SHALL HAVE CONSTRUCTION APPROVAL OF THE PAVEMENT COMPI_NNCE MAY BE CHECKED USING A SIMPLE BUCKET MET IN WHICH 5 GALLONS OF WATER IS POURED ONTO THE PAVEMENT SURFACE ALL AT ONCE. IF ONLY A MINOR • RECTANGULAR OR ROUND, SOLID LIDS WHEN NOT COLLECTING RUNOFF, AND MOUNT OF WATER PONDS OR RUNS OFF THE SURFACE, THEN THE PAVEMENT IS CONSIDERED TO MEE THE OUTSIDE OF THE ROADWAY. MINIMUM KATE OF AESORP'NON. AT LEAST ONE TEST SHALL BE CONDUCTED PER 1,000 SQUARE FEET OF • POUND, SOLID UDS WHEN NOT COLLECTING RUNOFF, AND LOCATED WITHIN ME PERMEABLE PAVEMENT. IF MIS TEST IS NOT CORI MEN MOTHER TEST PER ASTM C1701 SHALL BE �AY, BUT OUTSIDE OF ME CURB/GUTTER LINE. CONDUCTED. FOR LARGE AREAS DE.G., PARKING AREAS), TESTING OBSERVATION MAY BE ACCOMPUSHED WHILE • ROUND, SOLID LIDS DISPLAYING THE CITY LOGO WHEN WITHIN THE PUBLIC WALKING BEHIND A SLOWLY MOVING WATER TRUCK DISCHARGING WATER AT A RATE SIMILAR TO THE BUCKET RIGHT-OF-WAY OR IN AN EASEMENT TO THE CITY. PRIVATE STRUCTURE LIDS TEST. PERMEABLE PAVERS SHALL BE TESTED USING ASTM C1781. OUTSIDE PUBUC RIGHT-OF-WAY AND EASEMENTS TO ME CITY SHALL NOT DISPLAY THE CITY LOGO GENERAL DRAINAGE NOTES 1 PIPE MATERIAL SHALL BE SELECTED FROM THE FOLLOWING LIST PER THE CITY OF RENTON 2017 SURFACE WATER DESIGN MANUAL, TABLE 4.2.1.A2: 1.1. CORRUGATED STEEL PIPE (MIN 2—FFF COVER) 1.3. SPIRAL RIB STEEL PIPE (MIN 2—FT COVER) 1.4. PLAIN CONCRETE PIPE (PCP) (MIN 2—FT COVER) 1 �5. REINFORCED CONCRETE PIPE (RCP) (MIN 1 —FT COVER) 1 �6. CORRUGATED OR SPIRAL RIB ALLUMINUM PIPE (MIN 2—FT COVER) 1.9. DUCTILE IRON (MIN 1 —FT COVER) 1.10. LINE CORRUGATED POLYErHYLENE PIPE (LCPE) (MIN 2—F COVER) 1.11. CORRUGATED POLYETHYLENE PIPE (CPE)—TRIPPLE WALL (MIN 2—FFF COVER) 1.12, POLYVINYL CHOLRIDE PIPE UPVC) (MIN 3—FT COVER) 1.11. SOLID WALL HIGH DENSITY POLYErHYLENE PIPE (HOPE) (MIN 2—FT COVER) R-419231 IN COMPLIANCE WITH CITY OF RENTON STANDARDS P� 0 0 .j CD 0 c:) CD I 0 C%lj rA, rfil OF) 00 N 1�t CZ) cl) r o6j SURFACE WATER UTILITY DEVELOPMENT ENGINEERING JFarah 10 TI 04/13/2022 ®R F- z w 2 �lm I AdI NEW ELEMENTARY SCHOOL #16 1075 DUVALL AVE NE 10� MAR 2022 0 8/27/21 PERMIT SUBM17AL RENTON Paw PERMIT RESUBM17AL 12/20/21 Planning/Building/Public Works Dept. RENTON, WA %059 DRAINAGE NOTES Ir (72. 6 PERMIT RESUBM17AL 3/4/22 F N� 1� NO. REVISION BY DATE APPR w 0-