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HomeMy WebLinkAboutS-317318M M � f c N Ile ej Go - N 1 J C].. Q a.. 0- O z w cd co w Z w Z a w 0 a. 0 Q O Q � T cv D t o ccnn 0 i a° a °a. SIZE AND LOCATION OF ROADS, PIPES, RESTRICTORS, CHANNELS, RETENTION FACILITIES, O UTILITIES, ETC.). ALL STORM DRAINAGE CONVEYANCE PIPE SHALL BE ONE OF THE FOLLOWING AS Y Y a O p o'E REPLACEMENT, AND UPGRADING OF THESE ESC FACILITIES IS THE RESPONSIBILITY OF E­4 3 Q W 3. THE BOUNDARIES OF THE CLEARING LIMITS SHOWN ON THIS PLAN SHALL BE CLEARLY 6. CONSTRUCT SEDIMENT PONDS AND TRAPS. LO LO E__4 W a a. 7. GRADE AND STABILIZE CONSTRUCTION ROADS. �.,..� c gigs o -0 0 0 coo o ado aka c ° �E .r v v mE Q •. o, a ao r, cc in 10. RELOCATE SURFACE WATER CONTROLS AND EROSION CONTROL MEASURES OR INSTALL NEW MEASURES SO PROPERTIES IS MINIMIZED. "-A CC !2 to I.L. T cv D t o ccnn 148TH AVENUE S.E. (STONE RIDGE) ROAD IMPROVEMENT NOTES AND DETAILS A POR'T'ION OF THE SE 1/4 OF SECTION 3,11NP. 23, RCE 5 E., W.M. KING COUNTY, WASHINGTON KING COUNTY STANDARD PLAN NOTES DRAINAGE NOTES GENERAL PLAN NOTES 1. PROOF OF LIABILITY INSURANCE SHALL BE SUBMITTED TO DDES PRIOR TO THE 1. ALL CONSTRUCTION SHALL BE IN ACCORDANCE WITH THE KING COUNTY CODE (KCC), PRE - CONSTRUCTION MEETING (KCC 9.04.100.D). KING COUNTY ROAD STANDARDS (KCRS), AND THE KING COUNTY COUNCIL'S CONDITIONS OF 2. ALL PIPE AND APPURTENANCES SHALL BE LAUD ON A PROPERLY PREPARED FOUNDATION PRELIMINARY SUBDIVISION APPROVAL IT SHALL BE THE SOLE RESPONSIBILITY OF THE IN ACCORDANCE WITH WSDOT 7- 02.3(1). THIS SHALL INCLUDE LEVELING AND APPLICANT AND THE PROFESSIONAL CIVIL ENGINEER TO CORRECT ANY ERROR, OMISSION, COMPACTING THE TRENCH BOTTOM, THE 70P OF THE FOUNDATION MATERIAL, AND ANY OR VARIATION FROM THE ABOVE REQUIREMENTS FOUND IN THESE PLANS. ALL REQUIRED PIPE BEDDING, TO A UNIFORM GRADE SO THAT THE ENTIRE PIPE IS SUPPORTED CORRECTIONS SHALL BE AT NO ADDITIONAL COST OR LIABILITY TO KING COUNTY. BY A UNIFORMLY DENSE UNYIELDING BASE. 2. THE DESIGN ELEMENTS WITHIN THESE PLANS HAVE BEEN REVIEWED ACCORDING TO THE 3. STEEL PIPE SHALL BE GALVANIZED AND HAVE ASPHALT TREATMENT i 1 OR BETTER INSIDE KING COUNTY DEPARTMENT OF DEVELOPMENT AND ENVIRONMENTAL SERVICES (DDES) AND OUTSIDE (KCRS 7.03). ENGINEERING REVIEW CHECKLIST. SOME ELEMENTS MAY HAVE BEEN OVERLOOKED OR MISSED BY THE DDES PLAN REVIEWER. ANY VARIANCE FROM ADOPTED STANDARDS IS 4. ALL DRAINAGE STRUCTURES, SUCH AS CATCH BASINS AND MANHOLES, NOT LOCATED NOT ALLOWED UNLESS SPECIFICALLY APPROVED BY KING COUNTY PRIOR TO WITHIN A TRAVELED ROADWAY OR SIDEWALK, SHALL HAVE SOLID LOCKING UDS. ALL DRAINAGE STRUCTURES ASSOCIATED WITH A PERMANENT RETENTION /DETENTION FACILITY SHALL HAVE SOLID LOCKING LIDS (KCRS 7.05). 5. ALL CATCH BASIN GRATES SHALL CONFORM TO KCRS DRAWING NUMBERS 2 -014, 2 -015, 2 -018, 2 -020, 2 -021, 2 -022, OR 2 -023 AND SHALL INCLUDE THE STAMPING "OUTFALL TO STREAM, DUMP NO POLLUTANTS" AND "PROPERTY OF KING COUNTY" (KCRS 7.05) 6. ALL DRIVEWAY CULVERTS LOCATED WITHIN KING COUNTY RIGHT -OF -WAY SHALL BE OF SUFFICIENT LENGTH TO PROVIDE A MINIMUM 3:1 SLOPE FROM THE EDGE OF THE DRIVEWAY TO THE BOTTOM OF THE DITCH. CULVERTS SHALL HAVE BEVELED END SECTIONS TO MATCH THE SIDE SLOPE (KCRS 7.03(L), DRAWING NO. 2 -001). 7. ROCK FOR EROSION PROTECTION OF ROADWAY DITCHES, WHERE REQUIRED, MUST BE OF SOUND QUARRY ROCK, PLACED TO A DEPTH OF 1 FOOT, AND MUST MEET THE FOLLOWING SPECIFICATIONS: 4'- 80/4076 -70% PASSING; 2" -4" ROCK /30% -40% PASSING; AND -2" ROCK /10% -20% PASSING. INSTALLATION SHALL BE IN ACCORDANCE WITH KCRS 7.02(B), DRAWING NUMBER 2 -024. 8. DRAINAGE OUTLETS (STUB -OUTS) SHALL BE PROVIDED FOR EACH INDIVIDUAL LOT, EXCEPT FOR THOSE LOTS APPROVED FOR INFILTRATION BY KING COUNTY. STUB -OUTS SHALL CONFORM TO THE FOLLOWING: A. EACH OUTLET SHALL BE SUITABLY LOCATED AT THE LOWEST ELEVATION ON THE LOT, SO AS TO SERVICE ALL FUTURE ROOF 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 DRAINAGE TO AN APPROVED STORMWATER CONVEYANCE SYSTEM OR TO AN APPROVED OUTFALL LOCATION. B. OUTLETS ON EACH LOT SHALL BE LOCATED WITH A FIVE -FOOT -NIGH, 2" X 4- STAKE MARKED 'STORM" OR "DRAIN." THE STUB -OUT SHALL EXTEND ABOVE SURFACE LEVEL, BE VISIBLE, AND BE SECURED TO THE STAKE. C. PIPE MATERIAL SHALL CONFORM TO UNDERDRAIN SPECIFICATIONS DESCRIBED IN KCRS 7.04. IF NON - METALLIC, THE PIPE SHALL CONTAIN WIRE OR OTHER ACCEPTABLE DETECTION. D. DRAINAGE EASEMENTS ARE REQUIRED FOR DRAINAGE SYSTEMS DESIGNED TO CONVEY FLOWS THROUGH INDIVIDUAL LOTS. E. THE APPLICANT /CONTRACTOR IS RESPONSIBLE FOR COORDINATING THE LOCATIONS OF ALL STUB -OUT CONVEYANCE UNES WITH RESPECT TO THE UTILITIES (E.G. POWER, GAS, TELEPHONE, TELEVISION). F. ALL INDIVIDUAL STUB -OUTS SHALL BE PRIVATELY OWNED AND MAINTAINED BY THE LOT HOMEOWNER. Kel O ii EX. 18" CMP TO BE REMOVED EXISTING GRADE 64 LF 240 COA C. O a55% PROPOSED GRADE 3. APPROVAL OF THIS ROAD, GRADING, AND DRAINAGE PLAN DOES NOT CONSTITUTE AN APPROVAL OF ANY OTHER CONSTRUCTION (E.G. DOMESTIC WATER CONVEYANCE, SEWER CONVEYANCE, GAS, ELECTRICAL, ETC.). 4. BEFORE ANY CONSTRUCTION OR DEVELOPMENT ACTIVITY. A PRECONSTRUCTION MEETING MUST BE HELD BETWEEN THE DDES LAND USE INSPECTION SECTION, THE APPLICANT, AND THE APPLICANT'S CONSTRUCTION REPRESENTATIVE. 5. A COPY OF THESE APPROVED PLANS MUST BE ON THE JOB SITE WHENEVER CONSTRUCTION IS IN PROGRESS. 6. CONSTRUCTION NOISE SHALL BE LIMITED IN ACCORDANCE WITH KING COUNTY CODE (SECTION 12.88); NORMALLY, THIS IS 7 A.M. TO 10 P.M. WEEKDAYS AND 9 A.M. TO 7. IT SHALL BE THE APPLICANT'S /CONTRACTOR'S RESPONSIBILITY TO OBTAIN ALL CONSTRUCTION EASEMENTS NECESSARY BEFORE INTMTING OFF -SITE WORK WITHIN THE B. FRANCHISED UTILITIES OR OTHER INSTALLATIONS THAT ARE NOT SHOWN ON THESE APPROVED PLANS SHALL NOT BE CONSTRUCTED UNLESS AN APPROVED SET OF PLANS THAT MEETS ALL REQUIREMENTS OF KCRS CHAPTER 8 IS SUBMITTED TO THE DDES LAND USE INSPECTION SECTION THREE DAYS PRIOR TO CONSTRUCTION. 9. DATUM SHALL. BE NAVD 1988 UNLESS OTHERWISE APPROVED BY DDES. 10. GROUNDWATER SYSTEM CONSTRUCTION SHALL BE WITHIN A RIGHT -OF -WAY OR APPROPRIATE DRAINAGE EASEMENT, BUT NOT UNDERNEATH THE ROADWAY SECTION. ALL GROUNDWATER SYSTEMS MUST BE CONSTRUCTED IN ACCORDANCE WITH SECTION B1 3.02 OF THE APWA STANDARD SPECIFICATIONS. 11. ALL UTILITY TRENCHES SHALL BE BACKFILLED AND COMPACTED TO 95 PERCENT DENSITY. 12. ALL ROADWAY SUBGRADE SHALL BE BACKFILLED AND COMPACTED TO 95 PERCENT 13. OPEN CUTTING OF EXISTING ROADWAYS IS NOT ALLOWED UNLESS SPECIFICALLY APPROVED BY DDES AND NOTED ON THESE APPROVED PLANS. ANY OPEN CUT SHALL BE RESTORED IN ACCORDANCE WITH KCRS 8.03(8)3. 14. THE CONTRACTOR SHALL BE RESPONSIBLE FOR PROVIDING ADEQUATE SAFEGUARDS, SAFETY DEVICES, PROTECTIVE EQUIPMENT, FLAGGERS, AND ANY OTHER NEEDED ACTIONS TO PROTECT THE LIFE, HEALTH, AND SAFETY OF THE PUBLIC, AND TO PROTECT PROPERTY IN CONNECTION WITH THE PERFORMANCE OF WORK COVERED BY THE CONTRACTOR. ANY WORK WITHIN THE TRAVELED RIGHT -OF -WAY THAT MAY INTERRUPT NORMAL TRAFFIC FLOW SHALL REQUIRE AT LEAST ONE FLAGGER FOR EACH LANE OF TRAFFIC AFFECTED. SECTION 1 -07.23 'TRAFFIC CONTROL" OF THE WSDOT STANDARD SPECIFICATIONS SHALL APPLY IN ITS ENTIRETY. INLET / OUTFACE, SECTION 8 -B 1 " =20'H 1 " =56V �(n EX. 18" CMP TO BE REMOVED PROPOSED 8" SANITARY SEWER CROWN = -14e-r 404.95 , :sow IJ9 WTH SMPD CAGE STA 15+16.91, 9.18 L T. sm 15+01.77, 1647' L F RWw413.54 RMI =412.27 1E' =40838 (12' S) AE =408 52 (24 NW) AFm407.10 (24" SE) X00 K =406.62 (24' NO 0 D EROSION AND SEDIMENT CONTROL NOTES CONSTRUCTION SEQUENCE 1. APPROVAL OF THIS EROSION AND SEDIMENT CONTROL (ESC) PLAN 0 i Y a °a. SIZE AND LOCATION OF ROADS, PIPES, RESTRICTORS, CHANNELS, RETENTION FACILITIES, O UTILITIES, ETC.). ALL STORM DRAINAGE CONVEYANCE PIPE SHALL BE ONE OF THE FOLLOWING AS Y Y < s 2. THE IMPLEMENTATION OF THESE ESC PLANS AND THE CONSTRUCTION, MAINTENANCE, E REPLACEMENT, AND UPGRADING OF THESE ESC FACILITIES IS THE RESPONSIBILITY OF 4. GRADE AND INSTALL CONSTRUCTION ENTRANCE(S). THE APPLICANT /ESC SUPERVISOR UNTIL ALL CONSTRUCTION IS APPROVED. W 3. THE BOUNDARIES OF THE CLEARING LIMITS SHOWN ON THIS PLAN SHALL BE CLEARLY 6. CONSTRUCT SEDIMENT PONDS AND TRAPS. LO LO C 76 -85 CLASS IV REINFORCED CONCRETE PIPE. TO CONSTRUCTION. DURING THE CONSTRUCTION PERIOD, NO DISTURBANCE BEYOND 7. GRADE AND STABILIZE CONSTRUCTION ROADS. THE CLEARING LIMITS SHALL BE PERMITTED. THE CLEARING LIMITS SWAI.I. BE SMOOTH WALL SPIRAL RIB METAL PIPE (ALUMINUM, ALUMINIZED STEEL, OR gigs o -0 0 0 coo o ado aka v .r v v 9• MAINTAIN EROSION CONTROL MEASURES IN ACORDANCE WITH KING COUNTY STANDARDS AND MANUFACTURER'S Q •. o, a ao r, cc in 10. RELOCATE SURFACE WATER CONTROLS AND EROSION CONTROL MEASURES OR INSTALL NEW MEASURES SO PROPERTIES IS MINIMIZED. THAT AS SITE RECOMMENDATIONS !k!2 !2 to 148TH AVENUE S.E. (STONE RIDGE) ROAD IMPROVEMENT NOTES AND DETAILS A POR'T'ION OF THE SE 1/4 OF SECTION 3,11NP. 23, RCE 5 E., W.M. KING COUNTY, WASHINGTON KING COUNTY STANDARD PLAN NOTES DRAINAGE NOTES GENERAL PLAN NOTES 1. PROOF OF LIABILITY INSURANCE SHALL BE SUBMITTED TO DDES PRIOR TO THE 1. ALL CONSTRUCTION SHALL BE IN ACCORDANCE WITH THE KING COUNTY CODE (KCC), PRE - CONSTRUCTION MEETING (KCC 9.04.100.D). KING COUNTY ROAD STANDARDS (KCRS), AND THE KING COUNTY COUNCIL'S CONDITIONS OF 2. ALL PIPE AND APPURTENANCES SHALL BE LAUD ON A PROPERLY PREPARED FOUNDATION PRELIMINARY SUBDIVISION APPROVAL IT SHALL BE THE SOLE RESPONSIBILITY OF THE IN ACCORDANCE WITH WSDOT 7- 02.3(1). THIS SHALL INCLUDE LEVELING AND APPLICANT AND THE PROFESSIONAL CIVIL ENGINEER TO CORRECT ANY ERROR, OMISSION, COMPACTING THE TRENCH BOTTOM, THE 70P OF THE FOUNDATION MATERIAL, AND ANY OR VARIATION FROM THE ABOVE REQUIREMENTS FOUND IN THESE PLANS. ALL REQUIRED PIPE BEDDING, TO A UNIFORM GRADE SO THAT THE ENTIRE PIPE IS SUPPORTED CORRECTIONS SHALL BE AT NO ADDITIONAL COST OR LIABILITY TO KING COUNTY. BY A UNIFORMLY DENSE UNYIELDING BASE. 2. THE DESIGN ELEMENTS WITHIN THESE PLANS HAVE BEEN REVIEWED ACCORDING TO THE 3. STEEL PIPE SHALL BE GALVANIZED AND HAVE ASPHALT TREATMENT i 1 OR BETTER INSIDE KING COUNTY DEPARTMENT OF DEVELOPMENT AND ENVIRONMENTAL SERVICES (DDES) AND OUTSIDE (KCRS 7.03). ENGINEERING REVIEW CHECKLIST. SOME ELEMENTS MAY HAVE BEEN OVERLOOKED OR MISSED BY THE DDES PLAN REVIEWER. ANY VARIANCE FROM ADOPTED STANDARDS IS 4. ALL DRAINAGE STRUCTURES, SUCH AS CATCH BASINS AND MANHOLES, NOT LOCATED NOT ALLOWED UNLESS SPECIFICALLY APPROVED BY KING COUNTY PRIOR TO WITHIN A TRAVELED ROADWAY OR SIDEWALK, SHALL HAVE SOLID LOCKING UDS. ALL DRAINAGE STRUCTURES ASSOCIATED WITH A PERMANENT RETENTION /DETENTION FACILITY SHALL HAVE SOLID LOCKING LIDS (KCRS 7.05). 5. ALL CATCH BASIN GRATES SHALL CONFORM TO KCRS DRAWING NUMBERS 2 -014, 2 -015, 2 -018, 2 -020, 2 -021, 2 -022, OR 2 -023 AND SHALL INCLUDE THE STAMPING "OUTFALL TO STREAM, DUMP NO POLLUTANTS" AND "PROPERTY OF KING COUNTY" (KCRS 7.05) 6. ALL DRIVEWAY CULVERTS LOCATED WITHIN KING COUNTY RIGHT -OF -WAY SHALL BE OF SUFFICIENT LENGTH TO PROVIDE A MINIMUM 3:1 SLOPE FROM THE EDGE OF THE DRIVEWAY TO THE BOTTOM OF THE DITCH. CULVERTS SHALL HAVE BEVELED END SECTIONS TO MATCH THE SIDE SLOPE (KCRS 7.03(L), DRAWING NO. 2 -001). 7. ROCK FOR EROSION PROTECTION OF ROADWAY DITCHES, WHERE REQUIRED, MUST BE OF SOUND QUARRY ROCK, PLACED TO A DEPTH OF 1 FOOT, AND MUST MEET THE FOLLOWING SPECIFICATIONS: 4'- 80/4076 -70% PASSING; 2" -4" ROCK /30% -40% PASSING; AND -2" ROCK /10% -20% PASSING. INSTALLATION SHALL BE IN ACCORDANCE WITH KCRS 7.02(B), DRAWING NUMBER 2 -024. 8. DRAINAGE OUTLETS (STUB -OUTS) SHALL BE PROVIDED FOR EACH INDIVIDUAL LOT, EXCEPT FOR THOSE LOTS APPROVED FOR INFILTRATION BY KING COUNTY. STUB -OUTS SHALL CONFORM TO THE FOLLOWING: A. EACH OUTLET SHALL BE SUITABLY LOCATED AT THE LOWEST ELEVATION ON THE LOT, SO AS TO SERVICE ALL FUTURE ROOF 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 DRAINAGE TO AN APPROVED STORMWATER CONVEYANCE SYSTEM OR TO AN APPROVED OUTFALL LOCATION. B. OUTLETS ON EACH LOT SHALL BE LOCATED WITH A FIVE -FOOT -NIGH, 2" X 4- STAKE MARKED 'STORM" OR "DRAIN." THE STUB -OUT SHALL EXTEND ABOVE SURFACE LEVEL, BE VISIBLE, AND BE SECURED TO THE STAKE. C. PIPE MATERIAL SHALL CONFORM TO UNDERDRAIN SPECIFICATIONS DESCRIBED IN KCRS 7.04. IF NON - METALLIC, THE PIPE SHALL CONTAIN WIRE OR OTHER ACCEPTABLE DETECTION. D. DRAINAGE EASEMENTS ARE REQUIRED FOR DRAINAGE SYSTEMS DESIGNED TO CONVEY FLOWS THROUGH INDIVIDUAL LOTS. E. THE APPLICANT /CONTRACTOR IS RESPONSIBLE FOR COORDINATING THE LOCATIONS OF ALL STUB -OUT CONVEYANCE UNES WITH RESPECT TO THE UTILITIES (E.G. POWER, GAS, TELEPHONE, TELEVISION). F. ALL INDIVIDUAL STUB -OUTS SHALL BE PRIVATELY OWNED AND MAINTAINED BY THE LOT HOMEOWNER. Kel O ii EX. 18" CMP TO BE REMOVED EXISTING GRADE 64 LF 240 COA C. O a55% PROPOSED GRADE 3. APPROVAL OF THIS ROAD, GRADING, AND DRAINAGE PLAN DOES NOT CONSTITUTE AN APPROVAL OF ANY OTHER CONSTRUCTION (E.G. DOMESTIC WATER CONVEYANCE, SEWER CONVEYANCE, GAS, ELECTRICAL, ETC.). 4. BEFORE ANY CONSTRUCTION OR DEVELOPMENT ACTIVITY. A PRECONSTRUCTION MEETING MUST BE HELD BETWEEN THE DDES LAND USE INSPECTION SECTION, THE APPLICANT, AND THE APPLICANT'S CONSTRUCTION REPRESENTATIVE. 5. A COPY OF THESE APPROVED PLANS MUST BE ON THE JOB SITE WHENEVER CONSTRUCTION IS IN PROGRESS. 6. CONSTRUCTION NOISE SHALL BE LIMITED IN ACCORDANCE WITH KING COUNTY CODE (SECTION 12.88); NORMALLY, THIS IS 7 A.M. TO 10 P.M. WEEKDAYS AND 9 A.M. TO 7. IT SHALL BE THE APPLICANT'S /CONTRACTOR'S RESPONSIBILITY TO OBTAIN ALL CONSTRUCTION EASEMENTS NECESSARY BEFORE INTMTING OFF -SITE WORK WITHIN THE B. FRANCHISED UTILITIES OR OTHER INSTALLATIONS THAT ARE NOT SHOWN ON THESE APPROVED PLANS SHALL NOT BE CONSTRUCTED UNLESS AN APPROVED SET OF PLANS THAT MEETS ALL REQUIREMENTS OF KCRS CHAPTER 8 IS SUBMITTED TO THE DDES LAND USE INSPECTION SECTION THREE DAYS PRIOR TO CONSTRUCTION. 9. DATUM SHALL. BE NAVD 1988 UNLESS OTHERWISE APPROVED BY DDES. 10. GROUNDWATER SYSTEM CONSTRUCTION SHALL BE WITHIN A RIGHT -OF -WAY OR APPROPRIATE DRAINAGE EASEMENT, BUT NOT UNDERNEATH THE ROADWAY SECTION. ALL GROUNDWATER SYSTEMS MUST BE CONSTRUCTED IN ACCORDANCE WITH SECTION B1 3.02 OF THE APWA STANDARD SPECIFICATIONS. 11. ALL UTILITY TRENCHES SHALL BE BACKFILLED AND COMPACTED TO 95 PERCENT DENSITY. 12. ALL ROADWAY SUBGRADE SHALL BE BACKFILLED AND COMPACTED TO 95 PERCENT 13. OPEN CUTTING OF EXISTING ROADWAYS IS NOT ALLOWED UNLESS SPECIFICALLY APPROVED BY DDES AND NOTED ON THESE APPROVED PLANS. ANY OPEN CUT SHALL BE RESTORED IN ACCORDANCE WITH KCRS 8.03(8)3. 14. THE CONTRACTOR SHALL BE RESPONSIBLE FOR PROVIDING ADEQUATE SAFEGUARDS, SAFETY DEVICES, PROTECTIVE EQUIPMENT, FLAGGERS, AND ANY OTHER NEEDED ACTIONS TO PROTECT THE LIFE, HEALTH, AND SAFETY OF THE PUBLIC, AND TO PROTECT PROPERTY IN CONNECTION WITH THE PERFORMANCE OF WORK COVERED BY THE CONTRACTOR. ANY WORK WITHIN THE TRAVELED RIGHT -OF -WAY THAT MAY INTERRUPT NORMAL TRAFFIC FLOW SHALL REQUIRE AT LEAST ONE FLAGGER FOR EACH LANE OF TRAFFIC AFFECTED. SECTION 1 -07.23 'TRAFFIC CONTROL" OF THE WSDOT STANDARD SPECIFICATIONS SHALL APPLY IN ITS ENTIRETY. INLET / OUTFACE, SECTION 8 -B 1 " =20'H 1 " =56V �(n EX. 18" CMP TO BE REMOVED PROPOSED 8" SANITARY SEWER CROWN = -14e-r 404.95 , :sow IJ9 WTH SMPD CAGE STA 15+16.91, 9.18 L T. sm 15+01.77, 1647' L F RWw413.54 RMI =412.27 1E' =40838 (12' S) AE =408 52 (24 NW) AFm407.10 (24" SE) X00 K =406.62 (24' NO 0 D EROSION AND SEDIMENT CONTROL NOTES CONSTRUCTION SEQUENCE 1. APPROVAL OF THIS EROSION AND SEDIMENT CONTROL (ESC) PLAN 1. SCHEDULE PRE CONSTRUCTION CONFERENCE WITH DDES SITE INSPECTOR BY CALLING (206) 296 -6642. DOES NOT CONSTITUTE AN APPROVAL OF PERMANENT ROAD OR DRAINAGE DESIGN (E.G., 9 SIZE AND LOCATION OF ROADS, PIPES, RESTRICTORS, CHANNELS, RETENTION FACILITIES, O UTILITIES, ETC.). ALL STORM DRAINAGE CONVEYANCE PIPE SHALL BE ONE OF THE FOLLOWING AS 2 2. THE IMPLEMENTATION OF THESE ESC PLANS AND THE CONSTRUCTION, MAINTENANCE, E REPLACEMENT, AND UPGRADING OF THESE ESC FACILITIES IS THE RESPONSIBILITY OF 4. GRADE AND INSTALL CONSTRUCTION ENTRANCE(S). THE APPLICANT /ESC SUPERVISOR UNTIL ALL CONSTRUCTION IS APPROVED. W 3. THE BOUNDARIES OF THE CLEARING LIMITS SHOWN ON THIS PLAN SHALL BE CLEARLY 6. CONSTRUCT SEDIMENT PONDS AND TRAPS. LO LO C 76 -85 CLASS IV REINFORCED CONCRETE PIPE. TO CONSTRUCTION. DURING THE CONSTRUCTION PERIOD, NO DISTURBANCE BEYOND 7. GRADE AND STABILIZE CONSTRUCTION ROADS. THE CLEARING LIMITS SHALL BE PERMITTED. THE CLEARING LIMITS SWAI.I. BE SMOOTH WALL SPIRAL RIB METAL PIPE (ALUMINUM, ALUMINIZED STEEL, OR gigs 8. CONSTRUCT SURFACE WATER CONTROLS (INTECEPTOR DIKES, PIPE SLOPE DRAINS, ECT.) SIMULTANEOUSLY v W WITH CLEARING v v 9• MAINTAIN EROSION CONTROL MEASURES IN ACORDANCE WITH KING COUNTY STANDARDS AND MANUFACTURER'S Q AND GRADING FOR PROJECT DEVELOPEMENT. CONJUNCTION WITH ALL CLEARING AND GRADING SO AS TO ENSURE THAT THE SEDIMENT -LADEN WATER INTO THE DOWNSTREAM SYSTEM. TRANSPORT OF SEDIMENT TO SURFACE WATERS, DRAINAGE SYSTEMS, AND ADJACENT 10. RELOCATE SURFACE WATER CONTROLS AND EROSION CONTROL MEASURES OR INSTALL NEW MEASURES SO PROPERTIES IS MINIMIZED. THAT AS SITE RECOMMENDATIONS 5. THE ESC FACILITIES SHOWN ON THIS PLAN ARE THE MINIMUM REQUIREMENTS FOR 11. COVER ALL AREAS THAT WILL BE UNWORKED FOR MORE THAN SEVEN DAYS DURING THE DRY SEASON OR 11. TWO DAYS EROSION AND SEDIMENT CONTROL STANDARDS. CONDITIONS CHANGE THE EROSION AND s SEDIMENT CONTROL IS ALWAYS IN ACCORDANCE WITH THE KING COUNTY FACILITIES SHALL BE UPGRADED AS NEEDED FOR UNEXPECTED STORM EVENTS AND BEGINNING OF CONSTRUCTION AND MAINTAINED FOR THE DURATION OF THE PROJECT. MODIFIED TO ACCOUNT FOR CHANGING SITE CONDITIONS (E.G., ADDITIONAL SUMP Q� 148TH AVENUE S.E. (STONE RIDGE) ROAD IMPROVEMENT NOTES AND DETAILS A POR'T'ION OF THE SE 1/4 OF SECTION 3,11NP. 23, RCE 5 E., W.M. KING COUNTY, WASHINGTON KING COUNTY STANDARD PLAN NOTES DRAINAGE NOTES GENERAL PLAN NOTES 1. PROOF OF LIABILITY INSURANCE SHALL BE SUBMITTED TO DDES PRIOR TO THE 1. ALL CONSTRUCTION SHALL BE IN ACCORDANCE WITH THE KING COUNTY CODE (KCC), PRE - CONSTRUCTION MEETING (KCC 9.04.100.D). KING COUNTY ROAD STANDARDS (KCRS), AND THE KING COUNTY COUNCIL'S CONDITIONS OF 2. ALL PIPE AND APPURTENANCES SHALL BE LAUD ON A PROPERLY PREPARED FOUNDATION PRELIMINARY SUBDIVISION APPROVAL IT SHALL BE THE SOLE RESPONSIBILITY OF THE IN ACCORDANCE WITH WSDOT 7- 02.3(1). THIS SHALL INCLUDE LEVELING AND APPLICANT AND THE PROFESSIONAL CIVIL ENGINEER TO CORRECT ANY ERROR, OMISSION, COMPACTING THE TRENCH BOTTOM, THE 70P OF THE FOUNDATION MATERIAL, AND ANY OR VARIATION FROM THE ABOVE REQUIREMENTS FOUND IN THESE PLANS. ALL REQUIRED PIPE BEDDING, TO A UNIFORM GRADE SO THAT THE ENTIRE PIPE IS SUPPORTED CORRECTIONS SHALL BE AT NO ADDITIONAL COST OR LIABILITY TO KING COUNTY. BY A UNIFORMLY DENSE UNYIELDING BASE. 2. THE DESIGN ELEMENTS WITHIN THESE PLANS HAVE BEEN REVIEWED ACCORDING TO THE 3. STEEL PIPE SHALL BE GALVANIZED AND HAVE ASPHALT TREATMENT i 1 OR BETTER INSIDE KING COUNTY DEPARTMENT OF DEVELOPMENT AND ENVIRONMENTAL SERVICES (DDES) AND OUTSIDE (KCRS 7.03). ENGINEERING REVIEW CHECKLIST. SOME ELEMENTS MAY HAVE BEEN OVERLOOKED OR MISSED BY THE DDES PLAN REVIEWER. ANY VARIANCE FROM ADOPTED STANDARDS IS 4. ALL DRAINAGE STRUCTURES, SUCH AS CATCH BASINS AND MANHOLES, NOT LOCATED NOT ALLOWED UNLESS SPECIFICALLY APPROVED BY KING COUNTY PRIOR TO WITHIN A TRAVELED ROADWAY OR SIDEWALK, SHALL HAVE SOLID LOCKING UDS. ALL DRAINAGE STRUCTURES ASSOCIATED WITH A PERMANENT RETENTION /DETENTION FACILITY SHALL HAVE SOLID LOCKING LIDS (KCRS 7.05). 5. ALL CATCH BASIN GRATES SHALL CONFORM TO KCRS DRAWING NUMBERS 2 -014, 2 -015, 2 -018, 2 -020, 2 -021, 2 -022, OR 2 -023 AND SHALL INCLUDE THE STAMPING "OUTFALL TO STREAM, DUMP NO POLLUTANTS" AND "PROPERTY OF KING COUNTY" (KCRS 7.05) 6. ALL DRIVEWAY CULVERTS LOCATED WITHIN KING COUNTY RIGHT -OF -WAY SHALL BE OF SUFFICIENT LENGTH TO PROVIDE A MINIMUM 3:1 SLOPE FROM THE EDGE OF THE DRIVEWAY TO THE BOTTOM OF THE DITCH. CULVERTS SHALL HAVE BEVELED END SECTIONS TO MATCH THE SIDE SLOPE (KCRS 7.03(L), DRAWING NO. 2 -001). 7. ROCK FOR EROSION PROTECTION OF ROADWAY DITCHES, WHERE REQUIRED, MUST BE OF SOUND QUARRY ROCK, PLACED TO A DEPTH OF 1 FOOT, AND MUST MEET THE FOLLOWING SPECIFICATIONS: 4'- 80/4076 -70% PASSING; 2" -4" ROCK /30% -40% PASSING; AND -2" ROCK /10% -20% PASSING. INSTALLATION SHALL BE IN ACCORDANCE WITH KCRS 7.02(B), DRAWING NUMBER 2 -024. 8. DRAINAGE OUTLETS (STUB -OUTS) SHALL BE PROVIDED FOR EACH INDIVIDUAL LOT, EXCEPT FOR THOSE LOTS APPROVED FOR INFILTRATION BY KING COUNTY. STUB -OUTS SHALL CONFORM TO THE FOLLOWING: A. EACH OUTLET SHALL BE SUITABLY LOCATED AT THE LOWEST ELEVATION ON THE LOT, SO AS TO SERVICE ALL FUTURE ROOF 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 DRAINAGE TO AN APPROVED STORMWATER CONVEYANCE SYSTEM OR TO AN APPROVED OUTFALL LOCATION. B. OUTLETS ON EACH LOT SHALL BE LOCATED WITH A FIVE -FOOT -NIGH, 2" X 4- STAKE MARKED 'STORM" OR "DRAIN." THE STUB -OUT SHALL EXTEND ABOVE SURFACE LEVEL, BE VISIBLE, AND BE SECURED TO THE STAKE. C. PIPE MATERIAL SHALL CONFORM TO UNDERDRAIN SPECIFICATIONS DESCRIBED IN KCRS 7.04. IF NON - METALLIC, THE PIPE SHALL CONTAIN WIRE OR OTHER ACCEPTABLE DETECTION. D. DRAINAGE EASEMENTS ARE REQUIRED FOR DRAINAGE SYSTEMS DESIGNED TO CONVEY FLOWS THROUGH INDIVIDUAL LOTS. E. THE APPLICANT /CONTRACTOR IS RESPONSIBLE FOR COORDINATING THE LOCATIONS OF ALL STUB -OUT CONVEYANCE UNES WITH RESPECT TO THE UTILITIES (E.G. POWER, GAS, TELEPHONE, TELEVISION). F. ALL INDIVIDUAL STUB -OUTS SHALL BE PRIVATELY OWNED AND MAINTAINED BY THE LOT HOMEOWNER. Kel O ii EX. 18" CMP TO BE REMOVED EXISTING GRADE 64 LF 240 COA C. O a55% PROPOSED GRADE 3. APPROVAL OF THIS ROAD, GRADING, AND DRAINAGE PLAN DOES NOT CONSTITUTE AN APPROVAL OF ANY OTHER CONSTRUCTION (E.G. DOMESTIC WATER CONVEYANCE, SEWER CONVEYANCE, GAS, ELECTRICAL, ETC.). 4. BEFORE ANY CONSTRUCTION OR DEVELOPMENT ACTIVITY. A PRECONSTRUCTION MEETING MUST BE HELD BETWEEN THE DDES LAND USE INSPECTION SECTION, THE APPLICANT, AND THE APPLICANT'S CONSTRUCTION REPRESENTATIVE. 5. A COPY OF THESE APPROVED PLANS MUST BE ON THE JOB SITE WHENEVER CONSTRUCTION IS IN PROGRESS. 6. CONSTRUCTION NOISE SHALL BE LIMITED IN ACCORDANCE WITH KING COUNTY CODE (SECTION 12.88); NORMALLY, THIS IS 7 A.M. TO 10 P.M. WEEKDAYS AND 9 A.M. TO 7. IT SHALL BE THE APPLICANT'S /CONTRACTOR'S RESPONSIBILITY TO OBTAIN ALL CONSTRUCTION EASEMENTS NECESSARY BEFORE INTMTING OFF -SITE WORK WITHIN THE B. FRANCHISED UTILITIES OR OTHER INSTALLATIONS THAT ARE NOT SHOWN ON THESE APPROVED PLANS SHALL NOT BE CONSTRUCTED UNLESS AN APPROVED SET OF PLANS THAT MEETS ALL REQUIREMENTS OF KCRS CHAPTER 8 IS SUBMITTED TO THE DDES LAND USE INSPECTION SECTION THREE DAYS PRIOR TO CONSTRUCTION. 9. DATUM SHALL. BE NAVD 1988 UNLESS OTHERWISE APPROVED BY DDES. 10. GROUNDWATER SYSTEM CONSTRUCTION SHALL BE WITHIN A RIGHT -OF -WAY OR APPROPRIATE DRAINAGE EASEMENT, BUT NOT UNDERNEATH THE ROADWAY SECTION. ALL GROUNDWATER SYSTEMS MUST BE CONSTRUCTED IN ACCORDANCE WITH SECTION B1 3.02 OF THE APWA STANDARD SPECIFICATIONS. 11. ALL UTILITY TRENCHES SHALL BE BACKFILLED AND COMPACTED TO 95 PERCENT DENSITY. 12. ALL ROADWAY SUBGRADE SHALL BE BACKFILLED AND COMPACTED TO 95 PERCENT 13. OPEN CUTTING OF EXISTING ROADWAYS IS NOT ALLOWED UNLESS SPECIFICALLY APPROVED BY DDES AND NOTED ON THESE APPROVED PLANS. ANY OPEN CUT SHALL BE RESTORED IN ACCORDANCE WITH KCRS 8.03(8)3. 14. THE CONTRACTOR SHALL BE RESPONSIBLE FOR PROVIDING ADEQUATE SAFEGUARDS, SAFETY DEVICES, PROTECTIVE EQUIPMENT, FLAGGERS, AND ANY OTHER NEEDED ACTIONS TO PROTECT THE LIFE, HEALTH, AND SAFETY OF THE PUBLIC, AND TO PROTECT PROPERTY IN CONNECTION WITH THE PERFORMANCE OF WORK COVERED BY THE CONTRACTOR. ANY WORK WITHIN THE TRAVELED RIGHT -OF -WAY THAT MAY INTERRUPT NORMAL TRAFFIC FLOW SHALL REQUIRE AT LEAST ONE FLAGGER FOR EACH LANE OF TRAFFIC AFFECTED. SECTION 1 -07.23 'TRAFFIC CONTROL" OF THE WSDOT STANDARD SPECIFICATIONS SHALL APPLY IN ITS ENTIRETY. INLET / OUTFACE, SECTION 8 -B 1 " =20'H 1 " =56V �(n EX. 18" CMP TO BE REMOVED PROPOSED 8" SANITARY SEWER CROWN = -14e-r 404.95 , :sow IJ9 WTH SMPD CAGE STA 15+16.91, 9.18 L T. sm 15+01.77, 1647' L F RWw413.54 RMI =412.27 1E' =40838 (12' S) AE =408 52 (24 NW) AFm407.10 (24" SE) X00 K =406.62 (24' NO 0 D EROSION AND SEDIMENT CONTROL NOTES CONSTRUCTION SEQUENCE 1. APPROVAL OF THIS EROSION AND SEDIMENT CONTROL (ESC) PLAN 1. SCHEDULE PRE CONSTRUCTION CONFERENCE WITH DDES SITE INSPECTOR BY CALLING (206) 296 -6642. DOES NOT CONSTITUTE AN APPROVAL OF PERMANENT ROAD OR DRAINAGE DESIGN (E.G., SIZE AND LOCATION OF ROADS, PIPES, RESTRICTORS, CHANNELS, RETENTION FACILITIES, 2, USE TESC FROM EARLY START PERMIT L03SRO15 (SEPARATE PLANS) AND MODIFY AS NEEDED. UTILITIES, ETC.). ALL STORM DRAINAGE CONVEYANCE PIPE SHALL BE ONE OF THE FOLLOWING AS 3. INSTALL CATCH BASIN PROTECTION IF REQUIRED. 2. THE IMPLEMENTATION OF THESE ESC PLANS AND THE CONSTRUCTION, MAINTENANCE, DESIGNATED AND CONFORM TO BOTH THIS NOTE AND KCRS 7.03 (UNLESS OTHERWISE NOTED): REPLACEMENT, AND UPGRADING OF THESE ESC FACILITIES IS THE RESPONSIBILITY OF 4. GRADE AND INSTALL CONSTRUCTION ENTRANCE(S). THE APPLICANT /ESC SUPERVISOR UNTIL ALL CONSTRUCTION IS APPROVED. 5. INSTALL PERIMETER PROTECTION (SILT FENCE, BRUSH BARRIER, ECT.). 3. THE BOUNDARIES OF THE CLEARING LIMITS SHOWN ON THIS PLAN SHALL BE CLEARLY 6. CONSTRUCT SEDIMENT PONDS AND TRAPS. FLAGGED BY A CONTINUOUS LENGTH OF SURVEY TAPE (OR FENCING, IF REQUIRED) PRIOR C 76 -85 CLASS IV REINFORCED CONCRETE PIPE. TO CONSTRUCTION. DURING THE CONSTRUCTION PERIOD, NO DISTURBANCE BEYOND 7. GRADE AND STABILIZE CONSTRUCTION ROADS. THE CLEARING LIMITS SHALL BE PERMITTED. THE CLEARING LIMITS SWAI.I. BE SMOOTH WALL SPIRAL RIB METAL PIPE (ALUMINUM, ALUMINIZED STEEL, OR MAINTAINED BY THE APPLICANT /ESC SUPERVISOR FOR THE DURATION OF 8. CONSTRUCT SURFACE WATER CONTROLS (INTECEPTOR DIKES, PIPE SLOPE DRAINS, ECT.) SIMULTANEOUSLY CONSTRUCTION. W WITH CLEARING 4. THE ESC FACILITIES SHOWN ON THIS PLAN MUST BE CONSTRUCTED PRIOR TO OR IN 9• MAINTAIN EROSION CONTROL MEASURES IN ACORDANCE WITH KING COUNTY STANDARDS AND MANUFACTURER'S Q AND GRADING FOR PROJECT DEVELOPEMENT. CONJUNCTION WITH ALL CLEARING AND GRADING SO AS TO ENSURE THAT THE SEDIMENT -LADEN WATER INTO THE DOWNSTREAM SYSTEM. TRANSPORT OF SEDIMENT TO SURFACE WATERS, DRAINAGE SYSTEMS, AND ADJACENT 10. RELOCATE SURFACE WATER CONTROLS AND EROSION CONTROL MEASURES OR INSTALL NEW MEASURES SO PROPERTIES IS MINIMIZED. THAT AS SITE RECOMMENDATIONS 5. THE ESC FACILITIES SHOWN ON THIS PLAN ARE THE MINIMUM REQUIREMENTS FOR 11. COVER ALL AREAS THAT WILL BE UNWORKED FOR MORE THAN SEVEN DAYS DURING THE DRY SEASON OR 11. TWO DAYS EROSION AND SEDIMENT CONTROL STANDARDS. CONDITIONS CHANGE THE EROSION AND ANTICIPATED SITE CONDITIONS. DURING THE CONSTRUCTION PERIOD, THESE ESC SEDIMENT CONTROL IS ALWAYS IN ACCORDANCE WITH THE KING COUNTY FACILITIES SHALL BE UPGRADED AS NEEDED FOR UNEXPECTED STORM EVENTS AND BEGINNING OF CONSTRUCTION AND MAINTAINED FOR THE DURATION OF THE PROJECT. MODIFIED TO ACCOUNT FOR CHANGING SITE CONDITIONS (E.G., ADDITIONAL SUMP 12. STABILIZE ALL AREAS THAT REACH FINAL GRADE WITHIN SEVEN DAYS. DURING THE WET SEASON WITH STRAW, PUMPS, RELOCATION OF DITCHES AND SILT FENCES, ETC.). WOOD FIBER MULCH, COMPOST, PLASTIC SHEETING OR EQUVALENT. 6. THE ESC FACILITIES SHALL BE INSPECTED DAILY BY THE APPLICANT /ESC SUPERVISOR 13. SEED OR SOD ANY AREAS THO REMAIN UNWORKED FOR MORE THAN 30 DAYS. AND MAINTAINED TO ENSURE CONTINUED PROPER FUNCTIONING. WRITTEN RECORDS 14. UPON COMPLETION OF THE PROJECT, ALL DISTURBED AREAS MUST BE STABILIZED AND BMPS REMOVED IF SHALL BE KEPT OF WEEKLY REVIEWS OF THE ESC FACILITIES DURING THE WET SEASON APPROPRIATE. (OCT. 1 TO MARCH 31) AND OF MONTHLY REVIEWS DURING THE DRY SEASON (MAY 1 TO SEPTEMBER 30). 7. ANY AREA OF EXPOSED SOILS, INCLUDING ROADWAY EMBANKMENTS, THAT WILL NOT BE DISTURBED FOR TWO DAYS DURING THE WET SEASON OR SEVEN DAYS DURING THE DRY SEASON SHALL BE IMMEDIATELY STABILIZED WITH THE APPROVED ESC METHODS (E.G., SEEDING, MULCHING, PLASTIC COVERING, ETC.). 8. ANY AREA NEEDING ESC MEASURES NOT REQUIRING IMMEDIATE ATTENTION SHALL BE cn W ADDRESSED WITHIN FIFTEEN (15) DAYS. NOTE* ALL STORM DRAINAGE CONVEYANCE PIPE SHALL BE ONE OF THE FOLLOWING AS Z cr O DESIGNATED AND CONFORM TO BOTH THIS NOTE AND KCRS 7.03 (UNLESS OTHERWISE NOTED): 9. THE ESC FACILITIES ON INACTIVE SITES SHALL BE INSPECTED AND MAINTAINED A A. CONCRETE STORM SEWER PIPE SHALL CONFORM TO THE REQUIREMENTS OF ASTM MINIMUM OF ONCE A MONTH OR WITHIN THE 48 HOURS FOLLOWING A STORM EVENT. C 76 -85 CLASS IV REINFORCED CONCRETE PIPE. 10. AT NO TIME SHALL MORE THAN ONE (1) FOOT OF SEDIMENT BE ALLOWED TO B. SMOOTH WALL SPIRAL RIB METAL PIPE (ALUMINUM, ALUMINIZED STEEL, OR ►�- Z LaJ ACCUMULATE WITHIN A CATCH BASIN. ALL CATCH BASINS AND CONVEYANCE LINES N ASPHALT- TREATED STEEL). 16 GAUGE WITH 3/4" X 5/8" ON 12" CENTER. SHALL BE CLEANED PRIOR TO PAVING. THE CLEANING OPERATION SHALL NOT FLUSH Q p N SEDIMENT -LADEN WATER INTO THE DOWNSTREAM SYSTEM. C. ADS TYPE N -12 (OR EQUIVALENT) HIGH - DENSITY POLYETHYLENE CORRUGATED (D 0 PIPE WITH AN INTEGRALLY FORMED SMOOTH INTERIOR TO THE REQUIREMENTS OF 11. STABILIZED CONSTRUCTION ENTRANCES AND ROADS SHALL BE INSTALLED AT THE AASHTO M -294. W BEGINNING OF CONSTRUCTION AND MAINTAINED FOR THE DURATION OF THE PROJECT. D. DUCTILE IRON PIPE CLASS 50 OR 52. N ADDITIONAL MEASURES, SUCH AS WASH PADS, MAY BE REQUIRED TO ENSURE THAT ALL PAVED AREAS ARE KEPT CLEAN FOR THE DURATION OF THE PROJECT. E. MINIMUM PIPE COVER SHALL BE 2.0 FEET. (1.0' IF DUCTILE IRON PIPE IS USED) 12. ANY PERMANENT FLOW CONTROL FACILITY USED AS A TEMPORARY SETTLING F. PIPE MAY BE ANY OF THE ABOVE PROVIDED: BASIN SHALL BE MODIFIED WITH THE NECESSARY EROSION CONTROL MEASURES AND SHALL PROVIDE ADEQUATE STORAGE CAPACITY. IF THE FACILITY IS TO 1. PIPE JOINTS MUST BE OF THE SAME MATERIALS, AND FUNCTION ULTIMATELY AS AN INFILTRATION SYSTEM, THE TEMPORARY FACILITY MUST BE GRADED SO THAT THE BOTTOM AND SIDES ARE AT LEAST THREE FEET ABOVE THE 2. WHERE A PIPE MATERIAL IS SPECIFICALLY SHOWN ON THE PLAN, THAT FINAL GRADE OF THE PERMANENT FACILITY AN MATERIAL. MUST BE USED. 13. WHERE STRAW MULCH FOR TEMPORARY EROSION CONTROL IS REQUIRED, IT SHALL BE APPLIED AT A MINIMUM THICKNESS OF 2 TO 3 INCHES. 14. PRIOR TO THE BEGINNING OF THE WET SEASON (OCT. 1), ALL DISTURBED AREAS SHALL BE REVIEWED TO IDENTIFY WHICH ONES CAN BE SEEDED IN PREPARATION FOR THE WINTER RAINS. DISTRUBED AREAS SHALL BE SEEDED WITHIN ONE WEEK OF THE BEGINNING OF THE WET SEASON. A SKETCH MAP OF THOSE dp AREAS TO BE SEEDED AND THOSE AREAS TO REMAIN UNCOVERED SHALL BE SUBMITTED TO THE DDES 73 8 INSPECTOR. THE ODES INSPECTOR CAN REQUIRE SEEDING OF ADDITIONAL AREAS IN ORDER TO PROTECT SURFACE WATERS, ADJACENT PROPERTIES, OR DRAINAGE FACILITIES. RIGHT OF WAY CENTERLINE --I 42 HALF RIGHT OF WAY 30' HALF RIGHT OF WAY t� 1' MIN: 5' 0 5'--i VARIES (21' -22' 4" THICK CONC. SIDEWALK - CONC. VERTICAL CURB & GUTTER 3.5" COMPACTED DEPTH CLASS 'B' ASPHALT CONCRETE 1.5" COMPACTED DEPTH CRUSHED ROCK SURFACING TOP COURSE 2.5" COMPACTED DEPTH CRUSHED ROCK SURFACING BASE COURSE GRAVEL BASE CLASS 'B' MAY BE REQUIRED DEPENDING ON SOIL CONDITIONS (SEE SECTIONS 4.02 & 4.03 K.C.R.S.) � EXIST. ASPHALT PAVEMENT AS-BUILT CONSTRUCTION CENTERLINE NEW CURB & GUTTER IMPROVEMENTS ARE MEASURED FROM THE AS -BUILT CONSTRUCTION CENTERLINE. (CROWN OF ROAD W /CENTERLINE SKIP STRIPE) SAWCUT EXIST. 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