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HomeMy WebLinkAboutSWP2702057.30L0 N N OL 0 a 0 N C_ 0 U a° 0 0 0 N -O O 0 3 a� a 0 0 N r N Is Lu U Z O tY 0 U W BOULDER CLU PICAL) 0 Q O a �Q (O a� / �O C 441 NOTE D GRAVEL REPLACEMENT AREA (TYPICAL) PLACE APPROX. 1 TO 2 CY OF CLEAN GRAVEL SEE SECTION VIEW EX. ROOT LOG I DETAIL 1 - GRAVEL PLACEMENT NTS DETAILS NOT USED THIS YEAR EX. SHRUBS AND CUTTINGS PLANTED BY CITY EX. TREES AND SHRUBS / WATER DEPT VARIES 2" TO 6" (TY [CAL) 0 EX. LOGNROP (TYPICAL) _ '� GRAVEL REPLACEMENT Al (TYPICAL) PLACE APPROX. 1 TO 2 CY OF CLEAN GRAVEL SEE SECTION VIEW B DETAIL 2 - GRAVEL PLACEMENT NTS NOTE D - CONTRACTOR MAY NEED TO REMOVE APPX 3' to 4' WIDTH OF SHRUBS / BLACKBERRIES TO ACCESS CREEK AT EACH LOCATION. REVIEW ANY CLEARING WITH THE CITY BEFORE PROCEEDING. DO NOT CUT DOWN TREES. WEST BANK II -I EAST BANK 11= OHWL -=i — ORIGINAL GRAVEL LAYER APPROX. 12" THICK GRAVEL REPLACEMENT H VARIES ERODED GRAVEL LEVEL 6" THICK (APPROX.) 5' 8' TYPICAL (APPROX.) 1 TO 2 CY OF CLEAN GRAVEL GRAVEL REPLACEMENT SPEC. GR EL PLACEMENT IN HIGH FLOW AREA FROM S IMENT 1. G VEL SHALL BE PLACED ABOVE THE BASIN TO FLOW SPLITTER WA RLINE ON THE WEST BANK OF THE SIZE Percent Finer by ight CREE BY MACHINE. 12" - 9" 100 - 70% 2. GRAVEL HALL BE SPREAD BY HAND 9" - 6" 70 - 40% SHOVEL ER THE WIDTH OF THE CREEK. 6" - 3" 40 - 200 3. THE CITY Y REVIEW AND ADJUST <1" 2 /o GRAVEL PLA MENT AS NEEDED FOR 1/4" % EACH LOCATI DETAIL 1 TYPICAL SECTION A -A NTS 1 II0FW INCREASED HIGH FLOW GRAVEL SIZE 5/22/08 RECOMMENDED FOR APPROVAL BY Daniel Carey 6/30/11 BY POOL 18" - 24" DEEP DO NOT FILL POOL VITH GRAVEL —i EX. LOG DROPNOHWL LENGTH VARIES WA R DEPTH VARIES WITH FLOW NOT 3' TO 6' TYPICAL 4" 0 6" (TYPICAL) FLOW — — — — — — — — — — ORIGINAL GRAVEL LAYER 12" THICK EX. LARGE 5' ERODED GRAVEL LEVEL RIP -RAP LONG (APPROX.) GRAVEL REPLACEMENT 6" THICK (APPROX) 1 TO 2 CY OF CLEAN GRAVEL GRAVEL REPLACEMENT SPEC. GRAY PLACEMENT IN LOW FLOW AREA 1. ONLY ALL SOFT TIRED VEHICLES SHALL BELOW FLOW SPLITTER * DELIVE GRAVEL ON GOLF COURSE SIZE Percent Finer by We' t (SUCH AS OBCATS, GOLF CARTS, WHEEL BARROWS) 4" 100 - 75% 2. GRAVEL S LL BE PLACED AT TOP OF WEST BANK ONLY. 2" 75 - 30% 3. GRAVEL SHA BE CARRIED DOWN BANK IN BUCKETS 1" 30 - 0% AND SPREAD HAND SHOVEL OVER THE WIDTH #10 0% OF THE CREEK. 4. THE CITY MAY RE EW AND ADJUST GRAVEL PLACEMENT AS NE ED FOR EACH LOCATION. DETAIL 2 TYPICAL SECTION B-B NTS I STH TEE o 10 NO MACHINE ACCESS,/ — Scale: 1 Inch = 10 Feet ON THIS SIDE i CONSTRUCT TEMP SANDBAG AND PLASTIC BERM TO DIVERT FLOW AWAY FROM CLEANING AREA. AFTER FIRST SIDE IS CLEANED SWITCH LOW j AND CLEAN THE OTHER SIDE. /. r- FILTER FABRIC --- --� AT ENTRANCE %I IF NEEDED �- i ' I L__l • MAPLEWOOD CREEK CHANNEL I ALLOWABLE ACCESS TO SPLATTER FOR SEDIMENT REMOVAL RESTORE BANK AFTER CLEANING REMOVE ACCUMULATED SEDIMENT APPROX 2 TO 3 FEET DEEP SEE 1996 PLANS FOR FLOW SPLITTER DETAILS AND CROSS-SECTION OVERFLOW CHANNEL (DRY) DETAIL 3 - FLOW SPLITTER CLEANING (NTS) OHWL DEPTH 4 inches BERM FROM SANDBAGS AND PLASTIC SHEETING / EL 88.0 (middle) � —f Flow Coming \,Toward Page o 0 0 ~1,5' 2'5/ Ex. Overflow Channel (dry) Channel �1,5 EL 86 ± Bottom -I REMOVE ACCUMULATED - SEDIMENT Ex. Concrete Flow Splitter TYPICAL SECTION -FLOW SPLITTER CLEANING NTS D=205728 2011 Cleaning SURVEYED: SCALE: AS NOTED VERTICAL NAVD 1988 HORIZONTAL NAD 1983/1991 1, �, � :� _ CITY 0 R E �l TO N Planning/Building/Public Works Dept. MAPLEWOOD CREEK SEDIMENT BASIN CLEANING & MAINTENANCE PROJECT DETAILS unm: 6 29 1 1 DESIGNED: DC AEI-DBOOK: DRAWN: DC ONE INCH DRAWING NO: 4 CHECKED: DC RS AT FULL SCALE IF NOT ONE INCH�� SCALE ACCORDINGLY N0. REVISION BY DATE APPR APPROVED: S SHEET: X OR 6-(:P_05IDI2FO��