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HomeMy WebLinkAboutR-370313TESC GENERAL NOTES 1. BEFORE ANY CONSTRUCTION OR DEVELOPMENT ACTIVITY OCCURS, A PRE -CONSTRUCTION MEETING MUST BE HELD WITH THE CITY OF RENTON DEPARTMENT OF PUBLIC WORKS, DESIGN ENGINEER, O M 2. ALL LIMITS OF CLEARING AND AREAS OF VEGETATION PRESERVATION AS T PRESCRIBED ON THE PLAN SHALL BE CLEARLY FLAGGED IN THE FIELD AND OBSERVED DURING CONSTRUCTION. 3. ALL REQUIRED SEDIMENTATION/EROSION CONTROL FACILITIES MUST BE CONSTRUCTED AND IN OPERATION PRIOR TO LAND CLEARING AND/OR OTHER CONSTRUCTION TO INSURE THAT SEDIMENT LADEN WATER DOES NOT ENTER THE NATURAL DRAINAGE SYSTEM, ALL EROSION AND SEDIMENT FACILITIES SHALL BE MAINTAINED IN A SATISFACTORY CONDITION UNTIL SUCH TIME THAT CLEARING AND/OR CONSTRUCTION IS COMPLETED AND POTENTIAL FOR U) ON-SITE EROSION HAS PASSED. THE IMPLEMENTATION, MAINTENANCE, Q REPLACEMENT AND ADDITIONS TO EROSION/SEDIMENTATION CONTROL J SYSTEMS SHALL BE THE RESPONSIBILITY OF THE PERMITTEE. d 4, THE EROSION AND SEDIMENTATION CONTROL SYSTEMS DEPICTED ON THIS H DRAWING ARE INTENDED TO BE MINIMUM REQUIREMENTS TO MEET O ANTICIPATED SITE CONDITIONS. AS CONSTRUCTION PROGRESSES AND UNEXPECTED OR SEASONAL CONDITIONS DICTATE, THE PERMITTEE SHALL ANTICIPATE THAT MORE EROSION AND SEDIMENTATION CONTROL FACILITIES cf) WILL BE NECESSARY TO INSURE COMPLETE SILTATION CONTROL ON THE PROPOSED SITE. DURING THE COURSE OF CONSTRUCTION, IT SHALL BE THE OBLIGATION AND RESPONSIBILITY OF THE PERMITTEE TO ADDRESS ANY NEW CONDITIONS THAT MAY BE CREATED BY HIS ACTIVITIES AND TO L1J PROVIDE ADDITIONAL FACILITIES, OVER AND ABOVE MINIMUM z REQUIREMENTS, AS MAY BE NEEDED TO PROTECT ADJACENT PROPERTIES AND WATER QUALITY OF THE RECEIVING DRAINAGE SYSTEM, 5. APPROVAL OF THIS PLAN IS FOR EROSION/SEDIMENTATION CONTROL ONLY. IT DOES NOT CONSTITUTE AN APPROVAL OF STORM DRAINAGE DESIGN, SIZE NOR LOCATION OF PIPES, RESTRICTORS, CHANNELS, OR RETENTION FACILITIES. 6. DURING THE TIME PERIOD OF OCTOBER 1st THROUGH APRIL 30th, ALL PROJECT DISTURBED SOIL AREAS GREATER THAN 5,000 SQUARE FEET, THAT ARE TO BE LEFT UNWORKED FOR MORE THAN TWELVE (12) HOURS, SHALL BE COVERED BY MULCH, SODDING, OR PLASTIC COVERING. 7. IN ANY AREA WHICH HAS BEEN STRIPPED OF VEGETATION AND WHERE NO FURTHER WORK IS ANTICIPATED FOR A PERIOD OF 30 DAYS OR MORE, ALL DISTURBED AREAS MUST BE IMMEDIATELY STABILIZED WITH MULCHING, GRASS PLANTING OR OTHER APPROVED EROSION CONTROL TREATMENT APPLICABLE TO THE TIME OF YEAR IN QUESTION, GRASS SEEDING ALONE WILL BE ACCEPTABLE ONLY DURING THE MONTHS OF APRIL THROUGH SEPTEMBER INCLUSIVE. SEEDING MAY PROCEED, HOWEVER, WHENEVER IT IS IN THE INTEREST OF THE PERMITTEE, BUT MUST BE AUGMENTED WITH MULCHING, NETTING, OR OTHER TREATMENT APPROVED BY THE CITY OF RENTON, OUTSIDE THE SPECIFIED TIME PERIOD. B. FOR ALL EROSION/ SEDIMENTATION CONTROL PONDS WHERE THE DEAD STORAGE DEPTH EXCEEDS 6 INCHES, A FENCE, A MINIMUM OF 3 FEET HIGH IS REQUIRED, WITH 3:1 SIDE SLOPES, 9. A TEMPORARY GRAVEL CONSTRUCTION ENTRANCE, 24' X 50' X 8' OF 4- TO 6- INCH QUARRY SPALLS SHALL BE LOCATED AT ALL POINTS OF VEHICULAR INGRESS AND EGRESS TO THE CONSTRUCTION SITE, FILTER FABRIC MATERIAL 60" WIDE ROLLS. USE STAPLES OR WIRE RINGS TO ATTACH FABRIC TO WIRE. 2" BY 2" 14 GA. WIRE FABRIC OR EQUIV. RISER PIPE CREST OF 6' MIN. WIDTH PRINCIPAL SPILLWAY) EMERGENCY SPILLWAY 4. IF 50% OR LESS OF THE SOIL, BY WEIGHT, IS FINE PARTICLES OPEN AT TOP WITH THAN THE U.S. STANDARD SIEVE NO. 200, THE EOS TRASH RACK R FIG. 4.4.4\ SHOULD BE EQUAL TO OR SMALLER THAN THE SIEVE SIZE 2" BY 2" BY 14 GA. WIRE EMBANKMENT COMPACTED1' MIN. FABRIC OF EQUIV. DEWATERING DEVICE 1 ------ PERVIASGRAVELU ORM MATERIALSSCSAND ( SEE RISER DETAIL) NOT BE USED. THE TRENCH SHALL BE BACKFILLED WITH 3/4" MINIMUM DIAMETER WASHED GRAVEL. 5. FILTER FABRIC FENCES SHALL BE REMOVED WHEN THEY HAVE PROVIDE 3/4" - 1.5" 12.. SERVED THEIR USEFUL PURPOSE, BUT NOT BEFORE THE UPSLOPE AREA HAS BEEN PERMANENTLY STABILIZED. IN TRENCH AND ON BOTH SIDES WIRE-BACKED SILT FENCE,/ DEWATERING STAKED HAYBALES WRAPPED ORIFICE =-III=I --III—III: WITH FILTER FABRIC, OR :III--IJI—III— EQUIVALENT DIVIDER CONCRETE BASE SEE RISER DETAIL) TEMP. POND CONTROL t INSTALL FILTER FABRIC FENCING PER CITY OF RENTON STANDARDS TYPICAL) i r l o NOTE, EXISTING UTILITY LOCATIONS SHOWN HEREON ARE APPROXIMATE ONLY. IT SHALL BE THE CONTRACTOR'S RESPONSIBILITY TO DETERMINE THE EXACT VERTICAL AND HORIZONTAL LOCATION OF ALL EXISTING UNDERGROUND UTILIITES PRIOR TO COMMENCING CONSTRUCTION. NO REPRESENTATION IS MADE THAT ALL EXISTING UTILITIES ARE SHOWN HEREON. THE ENGINEER ASSUMES NO RESPONSIBILITY FOR UTILITIES NOT SHOWN OR UTILITIES NOT SHOWN IN THEIR PROPER LOCATION. CALL BEFORE YOU DIG- 1-800-424-5555 EROSION CONTROL NOTES: A) THE SOIL MOISTURE HOLDING CAPACITY OF ALL NEW PREVIOUS SURFACE THAT AT PROJECT COMPLETION WILL NOT BE COVERED BY IMPERVIOUS SURFACE OR INCORPORATED INTO A DRAINAGE FACILITY MUST BE PROTECTED. THE DUFF LAYER AND NATIVE TOPSOIL SHALL BE RETAINED IN AN UNDISTURBED STATE TO THE MAXIMUM STENT FEASIBLE. B) ANY DUFF LAYER OR TOPSOIL REMOVED DURING GRADING SHALL BE STOCKPILED ONSITE IN A DESIGNATED, CONTROLLED AREA NOT ADJACENT TO PUBLIC RESOURCES AND CRITICAL TEMPORARY 6 CHAIN LINK AREAS. THE MATERIAL SHALL BE REAPPLIED TO OTHER PORTIONS OF THE SITE WHERE FENCE REQUIRED AROUND FEASIBLE. C) THE SOIL IN ANY AREA THAT HAS BEEN COMPACTED OR THAT HAS SOME OR ALL TEMP. VAULT EXCAVATION OF THE DUFF LAYER OR UNDERLYING TOPSOIL REMOVED SHALL BE AMENDED TO MITIGATE FOR LOSS OF MOISTURE -CAPACITY. THE AMENDMENT SHALL TAKE PLACE BETWEEN MAY 1 AND OCTOBER 1. REPLACED TOPSOIL SHALL BE A MINIMUM 8 INCHES THICK. REPLACED TOPSOIL SHALL HAVE AN ORGANIC MATTER CONTENT BETWEEN 8 AND 13 PERCENT DRY WEIGHT AND A pH SUITABLE FOR THE PROPOSED LANDSCAPE PLANTS. CONSTRUCT SLOPES FOR VAULT EXCAVATION PER GEOTECHNICAL RECOMMENDATIONS 4i l \\ c t• INSTAL L,ti,$TORFA I 1• ` P fov? t TEMP. CONFECT R.< 5 1• / 1 V-1 ,,;."`. Q j ,,",- l• v v: •,. /- TEMP. 402 I `I jab.---- p, '" ,.• `3 INSTALL STRAW'•WADDLE ALONG CURB LIN DURING INSTALL CATCH e>` 1, . v ,' STORM OUTFALL INSTRUCTION BASIN SOCKS' a TEMP. POND- T4 ON 24 X42 OP=401 .5 OUJILET398.0 > SEE CONTROL DETAIL SHEET 4 SURFACE AREA REQUIRED=420 SQ. FT. `h SURFACE AREA PROVIDED -7600 SQ. fj 2'-6" II I NOTES: 1. FOR SHEET RUNOFF OR FOLLOWING DISCHARGE FROM A BURY BOTTOM OF FABRIC SEDIMENT TRAP OR POND. MATERIAL IN 8" BY 12" TRENCH 2 MAXIMUM SLOPE STEEPNESS PERPENDICULAR TO FENCES II II LINE IS 1:1. 1 / I f 6 MAX I / U U 3. MAXIMUM SHEET OR OVERLAND FLOW PATH LENGTH TO / Ind / BRUSH BARRIER NTS os FILTER FABRIC FENCE DETAIL OFFE ENGINEERS Ly QFC 13932 SOUTHEAST 159TH PLACE — ZRENTON, WASHINGTON 98058 PHONE: 425-260-3412 qP'• z"O0 o'Q/STEPF:i; CONTACT: DARRELL OFFE, P.E. 'Sf6N'ni 10/4/2013 No. REVISION I — — E f MEASURES WILL BE APPLICABLE. W, iI I I I I I I r PROJECT WILL REQUIRE SWPPP PERMIT FROM D.O.E. WITH CERTIFIED EROSION CONTROL INSPECTIONS AND MONITORING. PERMIT TO BE OBTAINED FROM WASH. STATE DEPT. OF ECOLOGY r3S. I I 412 I-- ---L -------1',' I I GRAPHIC SCALE 0 15 30 60 1 inch = 30 feet SRE SURVEY&MAPPING "'` ,w CITY OFoawim SCALE xarmaau: wn ,oss ioei :- • D- D.L. OFFE, P.E. RENTON D.L. OFFE, P.E. II a:¢xa I DATUM x"m' •rte Planning/Building/Public Works Dept. F NJl d6 NQI BY DATE APPR . X312-3'703/3 Z a m V 3 I+ U) m m I— ALL CONSTRUCTION ACCESS AT THIS POINT INSTALL 15'X50' RECYCLE CONCRETE CONSTRUCTION ENTRY 0O - R-370313 COMMENDED F R APPROVAL x. By, Date: 4111-5 Byi Datei 111412pft By, Date, Date, NE 7TH SHORT PLATS 07/15/2013 DONOGH HOMES/ ENDURE INVESTMENTS, LLC GRADING/EROSION CONTROL PLAN 3513 / 3517 & 3603 NE 7th STREET sFn: 3 ° 1 4. CD' 12-3 10 3 03I 151R AJDIJN C: THE FENCE OF 100 FT. 4. IF 50% OR LESS OF THE SOIL, BY WEIGHT, IS FINE PARTICLES FILTER FABRIC MATERIALSMALLER THAN THE U.S. STANDARD SIEVE NO. 200, THE EOS 6„ SHOULD BE EQUAL TO OR SMALLER THAN THE SIEVE SIZE 2" BY 2" BY 14 GA. WIRE THAT 85% OF THE SOIL CAN PASS THROUGH. FABRIC OF EQUIV. 5. THE TRENCH SHALL BE BACKFILLED WITH 3/4" MINIMUM DIAMETER WASHED GRAVEL. 5. FILTER FABRIC FENCES SHALL BE REMOVED WHEN THEY HAVE PROVIDE 3/4" - 1.5" 12.. SERVED THEIR USEFUL PURPOSE, BUT NOT BEFORE THE WASHED GRAVEL BACKFILL UPSLOPE AREA HAS BEEN PERMANENTLY STABILIZED. IN TRENCH AND ON BOTH SIDES OF FILTER FENCE FABRIC ON 8" MIN. 6. FILTER FABRIC FENCES SHALL BE INSPECTED IMMEDIATELY THE SURFACE. AFTER EACH RAINFALL AND AT LEAST DAILY DURING 2" BY 4" WOOD POST PROLONGED RAINFALL. ANY REPAIRS SHALL BE MADE ALT STEEL FENCE POSTS IMMEDIATELY. BRUSH BARRIER NTS os FILTER FABRIC FENCE DETAIL OFFE ENGINEERS Ly QFC 13932 SOUTHEAST 159TH PLACE — ZRENTON, WASHINGTON 98058 PHONE: 425-260-3412 qP'• z"O0 o'Q/STEPF:i; CONTACT: DARRELL OFFE, P.E. 'Sf6N'ni 10/4/2013 No. REVISION I — — E f MEASURES WILL BE APPLICABLE. W, iI I I I I I I r PROJECT WILL REQUIRE SWPPP PERMIT FROM D.O.E. WITH CERTIFIED EROSION CONTROL INSPECTIONS AND MONITORING. PERMIT TO BE OBTAINED FROM WASH. STATE DEPT. OF ECOLOGY r3S. I I 412 I-- ---L -------1',' I I GRAPHIC SCALE 0 15 30 60 1 inch = 30 feet SRE SURVEY&MAPPING "'` ,w CITY OFoawim SCALE xarmaau: wn ,oss ioei :- • D- D.L. OFFE, P.E. RENTON D.L. OFFE, P.E. II a:¢xa I DATUM x"m' •rte Planning/Building/Public Works Dept. F NJl d6 NQI BY DATE APPR . X312-3'703/3 Z a m V 3 I+ U) m m I— ALL CONSTRUCTION ACCESS AT THIS POINT INSTALL 15'X50' RECYCLE CONCRETE CONSTRUCTION ENTRY 0O - R-370313 COMMENDED F R APPROVAL x. By, Date: 4111-5 Byi Datei 111412pft By, Date, Date, NE 7TH SHORT PLATS 07/15/2013 DONOGH HOMES/ ENDURE INVESTMENTS, LLC GRADING/EROSION CONTROL PLAN 3513 / 3517 & 3603 NE 7th STREET sFn: 3 ° 1 4. CD' 12-3 10 3 03I 151R AJDIJN C: