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Home My WebLink AboutR-371524W i b w 3 Of a E o_ a (n z LU 2 LU O cac G LU J 0 U U) Q z LU LU J LL z LU J �0 V z I= EL Q LU 0 U z 0 LLl cc SURFACE WATER STANDARD PLAN NOTES AND CONSTRUCTION SEQUENCE 1. THESE NOTES SHALL APPEAR ON PROJECTS FOR THE SURFACE WATER UTILITY. 19. ALL CATCH BASIN GRATES SHALL BE DEPRESSED 0.10 FEET BELOW PAVEMENT LEVEL. 2. BEFORE ANY CONSTRUCTION OR DEVELOPMENT ACTIVITY OCCURS, APRE- CONSTRUCTION MEETING MUST BE HELD 20. ALL DRIVEWAY CULVERTS LOCATED WITHIN CITY OF RENTON RIGHT -OF -WAY SHALL BE OF SUFFICIENT LENGTH TO PROVIDE A B � BETWEEN THE CITY OF RENTON PLAN REVIEW SECTION AND THE APPLICANT. ACB MINIMUM 3:1 SLOPE FROM THE EDGE OF THE DRIVEWAY TO THE BOTTOM OF THE DITCH. ROCK FOR EROSION PROTECTION OF WJF O ADDENDUM NO. 3 ROADSIDE DITCHES, WHERE REQUIRED, SHALL BE OF SOUND QUARRY ROCK PLACED TO A DEPTH OF ONE (1) FOOT AND MUST 3. ALL DESIGN AND CONSTRUCTION SHALL BE IN ACCORDANCE WITH THE RENTON MUNICIPAL CODE (RMC), THE LATEST EDITION °'""` F. KATONA MEET THE FOLLOWING SPECIFICATIONS: vtz OF THE STANDARD SPECIFICATIONS FOR ROAD, BRIDGE AND MUNICIPAL CONSTRUCTION PREPARED BY WSDOT AND THE AC 4 - 8 INCH ROCK / 40 - 70% PASSING; WJF AMERICAN PUBLIC WORKS ASSOCIATION (APWA), AS AMENDED BY THE CITY OF RENTON PUBLIC WORKS DEPARTMENT. IT a acuE F IIXr OIF xw 2 - 4 INCH ROCK / 30 - 40% PASSING; AND REVISION SHALL BE THE SOLE RESPONSIBILITY OF THE APPLICANT AND THE PROFESSIONAL CIVIL ENGINEER TO CORRECT ANY ERROR, I DATE LESS THAN 2 INCH ROCK 110 - 20% PASSING. - S. COMFORT OMISSION OR VARIATION FROM THE ABOVE REQUIREMENTS FOUND IN THIS PLANS. ALL CORRECTIONS SHALL BE AT NO ADDITIONAL COST TO THE CITY. 21. ALL BUILDING DOWNSPOUTS AND FOOTING DRAINS SHALL BE CONNECTED TO THE STORM DRAINAGE SYSTEM, UNLESS APPROVED BY THE CITY PLAN REVIEWER OR SURFACE WATER UTILITY SECTION. AN ACCURATELY DIMENSIONED, CERTIFIED 4. APPROVAL OF THIS ROAD, GRADING, PARKING AND DRAINAGE PLAN DOES NOT CONSTITUTE AN APPROVAL OF ANY OTHER AS -BUILT DRAWING OF THIS DRAINAGE SYSTEM WILL BE SUBMITTED TO THE CITY UPON COMPLETION. CONSTRUCTION (E.G. DOMESTIC WATER CONVEYANCE, SEWER CONVEYANCE, GAS, ELECTRICAL. ETC.)THE SURFACE WATER DRAINAGE SYSTEM SHALL BE CONSTRUCTED ACCORDING TO THE APPROVED PLANS, WHICH ARE ON FILE IN WITH THE CITY. 22. DRAINAGE OUTLETS (STUB -OUTS) SHALL BE PROVIDED FOR EACH INDIVIDUAL LOT, EXCEPT FOR THOSE LOTS APPROVED FOR ANY DEVIATION FROM THE APPROVED PLANS WILL REQUIRE WRITTEN APPROVAL FROM THE CITY OF RENTON PUBLIC WORKS INFILTRATION BY THE CITY. STUB -OUTS SHALL CONFORM TO THE FOLLOWING: DEPARTMENT, SURFACE WATER UTILITY SECTION. a. EACH OUTLET SHALL BE SUITABLY LOCATED AT THE LOWEST ELEVATION ON THE LOT, SO AS TO SERVICE ALL FUTURE ROOF 5. A COPY OF THESE APPROVED PLANS MUST BE ON THE JOB SITE WHENEVER CONSTRUCTION IS IN PROGRESS. DOWNSPOUTS AND FOOTING DRAINS, DRIVEWAYS, YARD DRAINS, AND ANY OTHER SURFACE OR SUBSURFACE DRAINS NECESSARY TO RENDER THE LOTS SUITABLE FOR THEIR INTENDED USE. EACH OUTLET SHALL HAVE FREE - FLOWING, POSITIVE 6. GRADING ACTIVITIES (SITE ALTERATION) ARE LIMITED TO THE HOURS OF 7 A.M. TO 7 P.M. MONDAY THROUGH SATURDAY AND DRAINAGE TO AN APPROVED STORMWATER CONVEYANCE SYSTEM OR TO AN APPROVED OUTFALL LOCATION. NO WORK ON SUNDAY IS ALLOWED, UNLESS OTHERWISE APPROVED WITH A WRITTEN DECISION BY THE CITY OF RENTON. b. OUTLETS ON EACH LOT SHALL BE LOCATED WITH A FIVE - FOOT -HIGH, 2"X 4" STAKE MARKED "STORM" OR "DRAIN ". THE STUB -OUT SHALL EXTEND ABOVE SURFACE LEVEL, BE VISIBLE, AND BE SECURED TO THE STAKE. 7. IT SHALL BE THE APPLICANTS /CONTRACTOR'S RESPONSIBILITY TO OBTAIN ALL CONSTRUCTION EASEMENTS NECESSARY c. PIPE MATERIAL SHALL CONFORM TO UNDERDRAIN SPECIFICATIONS DESCRIBED IN CHAPTER 4 OF THE SURFACE WATER BEFORE INITIATING OFF -SITE WORK. EASEMENTS REQUIRE CITY REVIEW AND APPROVAL PRIOR TO CONSTRUCTION. DESIGN MANUAL AND, IF NON - METALLIC, THE PIPE SHALL BE PLACED IN A TRENCH WITH A TRACING WIRE ABOVE OR OTHER ACCEPTABLE DETECTION. 8. FRANCHISED UTILITIES OR OTHER INSTALLATIONS THAT ARE NOT SHOWN ON THESE APPROVED PLANS SHALL NOT BE d. PRIVATE DRAINAGE EASEMENTS ARE REQUIRED FOR DRAINAGE SYSTEMS DESIGNED TO CONVEY FLOWS THROUGH CONSTRUCTED UNLESS AN APPROVED SET OF PLANS THAT MEET ALL REQUIREMENTS OF CHAPTER 4 OF THE SURFACE INDIVIDUAL LOTS. WATER DESIGN MANUAL ARE SUBMITTED TO THE CITY OF RENTON. e. THE APPLICANT /CONTRACTOR IS RESPONSIBLE FOR COORDINATING THE LOCATIONS OF ALL STUB -OUT CONVEYANCE LINES WITH RESPECT TO OTHER UTILITIES (E.G. POWER, GAS, TELEPHONE, TELEVISION). 9. DATUM SHALL BE NAVD 88 UNLESS OTHERWISE APPROVED BY THE CITY OF RENTON. REFERENCE BENCHMARK AND f. ALL INDIVIDUAL STUB -OUTS SHALL BE PRIVATELY OWNED AND MAINTAINED BY THE LOT HOME OWNER. ELEVATIONS ARE NOTED ON THE PLANS. g. STORM DRAINAGE PIPE SYSTEMS SHALL NOT PENETRATE BUILDING FOUNDATIONS, EXCEPT FOR SUMP PUMP DISCHARGE LINES USED TO DRAIN CRAWL SPACES, PROVIDED THE SUMP PUMP SYSTEM INCLUDES BACKFLOW PREVENTION OR A CHECK 10. ANY DEWATERING SYSTEM NECESSARY FOR THE CONSTRUCTION OF STORMWATER FACILITIES MUST BE SUBMITTED TO THE VALVE. CITY FOR REVIEW AND APPROVAL. 23. ALL DISTURBED PERVIOUS AREAS (COMPACTED, GRADED, LANDSCAPED, ETC.) OF THE DEVELOPMENT SITE MUST 11. ALL UTILITY TRENCHES AND ROADWAY SUBGRADE SHALL BE BACKFILLED AND COMPACTED TO 95 PERCENT DENSITY, DEMONSTRATE ONE OF THE FOLLOWING: THE EXISTING DUFF LAYER SHALL BE STAGED AND REDISTRIBUTED TO MAINTAIN STANDARD PROCTOR. THE MOISTURE CAPACITY OF THE SOIL, OR; AMENDED SOIL SHALL BE ADDED TO MAINTAIN THE MOISTURE CAPACITY. 12. OPEN CUTTING OF EXISTING ROADWAYS FOR NON - FRANCHISED UTILITY OR STORM DRAINAGE WORK IS NOT ALLOWED 24. PROOF OF LIABILITY INSURANCE SHALL BE SUBMITTED TO THE CITY PRIOR TO CONSTRUCTION PERMIT ISSUANCE. UNLESS SPECIFICALLY APPROVED BY THE CITY OF RENTON AND NOTED ON THESE APPROVED PLANS. ANY OPEN CUT SHALL BE RESTORED IN ACCORDANCE WITH THE CITY OF RENTON TRENCH RESTORATION STANDARDS, 25. ISSUANCE OF THE BUILDING OR CONSTRUCTION PERMITS BY THE CITY OF RENTON DOES NOT RELIEVE THE OWNER OF THE CONTINUING LEGAL OBLIGATION AND /OR LIABILITY CONNECTED WITH STORM SURFACE WATER DISPOSITION. FURTHER, THE 13. ALL SEDIMENTATION /EROSION FACILITIES MUST BE IN OPERATION PRIOR TO CLEARING AND BUILDING CONSTRUCTION, AND CITY OF RENTON DOES NOT ACCEPT ANY OBLIGATION FOR THE PROPER FUNCTIONING AND MAINTENANCE OF THE SYSTEM THEY MUST BE SATISFACTORILY MAINTAINED UNTIL CONSTRUCTION IS COMPLETED AND THE POTENTIAL FOR ON -SITE PROVIDED DURING CONSTRUCTION. EROSION HAS PASSED. 26. THE CONTRACTOR SHALL BE RESPONSIBLE FOR PROVIDING ADEQUATE SAFEGUARD, SAFETY DEVICES, PROTECTIVE 14. ALL RETENTION /DETENTION FACILITIES MUST BE INSTALLED AND IN OPERATION PRIOR TO OR IN CONJUNCTION WITH ALL EQUIPMENT, FLAGGERS, AND ANY OTHER NEEDED ACTIONS TO PROTECT THE LIFE, HEALTH, AND SAFETY OF THE PUBLIC, AND CONSTRUCTION ACTIVITY UNLESS OTHERWISE APPROVED BY THE PUBLIC WORKS DEPARTMENT, SURFACE WATER UTILITY TO PROTECT PROPERTY IN CONNECTION WITH THEPERFORMANCE OF WORK. ANY WORK WITHIN THE TRAVELED SECTION. RIGHT -OF -WAY THAT MAY INTERRUPT NORMAL TRAFFIC FLOW SHALL REQUIRE A TRAFFIC CONTROL PLAN APPROVE BY THE PUBLIC WORKS DEPARTMENT, TRANSPORTATION SYSTEMS DIVISION. ALL SECTIONS OF THE WSDOT STANDARD 15. ALL PIPE AND APPURTENANCES SHALL BE LAID ON A PROPERLY PREPARED FOUNDATION IN ACCORDANCE WITH THE SPECIFICATIONS 1 -07 -23 TRAFFIC CONTROL SHALL APPLY. CURRENT STATE OF WASHINGTON STANDARD SPECIFICATION FOR ROAD AND BRIDGE CONSTRUCTION. THIS SHALL INCLUDE NECESSARY LEVELING OF THE TRENCH BOTTOM OR THE TOP OF THE FOUNDATION MATERIAL, AS WELL AS PLACEMENT AND 27. PROJECT LOCATED WITHIN THE AQUIFER PROTECTION AREA (APA) SHALL COMPLY WITH SPECIAL REQUIREMENT #6 OF THE COMPACTION OF REQUIRED BEDDING MATERIAL, TO UNIFORM GRADE SO THAT THE ENTIRE LENGTH OF THE PIPE WILL BE SURFACE WATER DESIGN MANUAL AND AQUIFER PROTECTION REGULATIONS (RMC 4 -3 -050). SUPPORTED ON A UNIFORMLY DENSE, UNYIELDING BASE. ALL PIPE BEDDING SHALL BE APWA CLASS "C ", WITH THE EXCEPTION OF PVC PIPE. 16. STEEL PIPE SHALL BE ALUMINIZED, OR GALVANIZED WITH ASPHALT TREATMENT #1 OR BETTER INSIDE AND OUTSIDE. 17. ALL DRAINAGE STRUCTURES, SUCH AS CATCH BASINS AND MANHOLES SHALL HAVE SOLID LOCKING LIDS. ALL DRAINAGE STRUCTURES ASSOCIATED WITH A PERMANENT RETENTIONIDETENTION FACILITY SHALL HAVE SOLID LOCKING LIDS. 18. BUILDING AND OTHER STRUCTURES SHALL BE PLACED IN ACCORDANCE WITH TABLE 4.1 EASEMENT WIDTHS AND BUILDING SETBACKS LINES. ALL BARS 5/8" a Know what's below. Call before you dig. )uJ n nr 20" x 24" r10 "x12 "� 6 1/4" ZFU F 1 1/2" 1 3" 5/8" --{ � T 18" x 22" -r SECTION A -A NOTES: 1. USE WITH WSDOT STANDARD PLAN B -5.20 FRAME. 2. MATERIAL TO CONFORM TO WSDOT STANDARD SPECIFICATIONS 9- 05.15(2). 3. SET GRATE 3 INCHES ABOVE BOTTOM OF RAINGARDEN. »c1 18' 2.0' VARIES MOW SEE PLAN CURB PLANTINGS PER 2_0% LANDSCAPE PLANS r 3" GRAVEL BACKFILL FOR ORYWE PER WSDOT 9 -03. GEOTEXTILE FABRIC Rm IiIIIl] RAINGARDEN Jn \119�1�7- ZH:7_G7� 8 "PERFORATED PVC PERFORATIONS SHALL BE DOWNWARD 18" 2.0' I 3.0' MOW CURB PLANTINGS PER 2_0% LANDSCAPE 47 I PLANS rF 3" PER LANES( SAf?Yi \�� \ \:� \�:� \`:� \�:� \ \:� \� GRAVEL BACKFILL FOR DRYWELLS, PER WSDOT 9- 03.12(5) NOTES: GEOTEXTILE FABRIC � 1. SEE SHEETS C2.1 -C2.3 FOR CATCH BASINS WITHIN RAINGARDENS. 18" 2.0' 5.0' MOW CURB PLANTINGS PER - 2.0 _% - LANDSCAPE ti I PLANS PER F_ FENCE 2.0' 2.0' MOW CURB BOTTOM OF RAINGARDEN PER PLAN SOIL MIX `NATIVE SUBGRADE 8" PERFORATED PVC PERFORATIONS SHALL BE DOWNWARD Im 1.0' RAINGARDEN \ ` ' \` /�ORETENTION SOIL MIX GRAVEL BACKFILL FOR \ �\ \�� \ \ \ \ \ \ \ \ \ \ PER WSDOT 9- 03.12(5) `� / /�\ NATIVE SUBGRADE GEOTEXTILE FABRIC 8" PERFORATED PVC 8" UNLESS OTHERWISE NOTES: PERFORATIONS SHALL BE INDICATED, SEE NOTE N0.2. DOWNWARD 1. SEE SHEETS C2.1 -C2.3 FOR CATCH BASINS WITHIN RAINGARDENS. 2. PIPE DEPTH AND INVERT VARY. SEE RAINGARDEN PIPE INVERTS NOTED ON SHEET C2.1. 0.5' 2.0' � 2.0' 2.0' 0.5' PLANTINGS PER LANDSCAPE mwi ti PLANS � I r 3" � BOTTOM OF RAINGARDEN PER PLAN BIORETENTION SOIL MIX GRAVEL BACKFILL FOR DRYWELLS, J / \` %i \ % / \j /�\ %% % % /� % / \` %` NATIVE SUBGRADE PER WSDOT 9- 03.12(5) GEOTEXTILE FABRIC B" PERFORATED PVC NOTES: PERFORATIONS SHALL BE DOWNWARD 1. SEE SHEETS C2.1 -C2.3 FOR CATCH BASINS WITHIN RAINGARDENS. PERMIT SET R- 311524 Checked for CoInpliance to City Standards -41 R tvjivoo '01 al C0 °r• "'se oa o�9SrONAL l NOME T A C O M A - SEATTLE • SPOKANE -TRI- CITIES NRApNN R m6 [tl1Y1119WL MWME ➢E XYE�IVL 3N ND 9]NME IWALI6 2215 North 30th Street, Suite 300 Taooma, WA 9640; ONFIBF AiIR N rt TNi W]Ifll! N 101 IH OLT M TE R06f fgOFO X H OL Otl1t X°Xxmm N:ivN rtN Nrul, NXasu 253.383.2422 TEL 253.3832512 FAX www.ahM.corn WEB xlNOXi m ma mun a rm,wr a�u XX16T. CITY OF RENTON ACADEMY AT SPRING GLEN ELEMENTARY IIO�IOL wn I a SITE IMPROVEMENTS -AN RENTON RENTON SCHOOL DISTRICT DATUM planning /Building /Public Works Dept. RAINGARDEN AND DRAINAGE NOTES AND DETAILS C'b. v` - 3-? ( 5;;�!� 31 MARCH C6.2 28 °F3 h H oyy0 n a d ryu� AS NOTED �@ BRAUN B � ADDENDUM NO. 4 ACB 1 28 14 WJF O ADDENDUM NO. 3 ACB 1 24 14 WJF °'""` F. KATONA o� Xot vtz ADDENDUM NO. 1 AC 14 11711 WJF oNnatt W.._ Sr a acuE F IIXr OIF xw NO. REVISION BY I DATE I APPR - S. COMFORT R- 311524 Checked for CoInpliance to City Standards -41 R tvjivoo '01 al C0 °r• "'se oa o�9SrONAL l NOME T A C O M A - SEATTLE • SPOKANE -TRI- CITIES NRApNN R m6 [tl1Y1119WL MWME ➢E XYE�IVL 3N ND 9]NME IWALI6 2215 North 30th Street, Suite 300 Taooma, WA 9640; ONFIBF AiIR N rt TNi W]Ifll! N 101 IH OLT M TE R06f fgOFO X H OL Otl1t X°Xxmm N:ivN rtN Nrul, NXasu 253.383.2422 TEL 253.3832512 FAX www.ahM.corn WEB xlNOXi m ma mun a rm,wr a�u XX16T. CITY OF RENTON ACADEMY AT SPRING GLEN ELEMENTARY IIO�IOL wn I a SITE IMPROVEMENTS -AN RENTON RENTON SCHOOL DISTRICT DATUM planning /Building /Public Works Dept. RAINGARDEN AND DRAINAGE NOTES AND DETAILS C'b. v` - 3-? ( 5;;�!� 31 MARCH C6.2 28 °F3 h H oyy0 n a d ryu� a � n l J B � a � _C A O � _0 L �0w sr Sz vtz a