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Home My WebLink AboutC1.5 - CIVIL DRAINAGE DETAILS 30" TRAFFIC RATED CAST IRON CONCRETE FLOOR TO BE STAR LY FRAME AND COVER POURED REINFORCED IN ACCORDANCE DETENTION SYSTEM OPERATION NOTES INTO FLOOR (TYP OF 3) WITH TANK MANUFACTURER'S REQUIREMENTS FOR TRAFFIC THE BLACK OLIVE BUILDING UTILIZES A STORM WATER 1970 RATING OVER TANK. DETENTION/IRRIGATION REUSE SYSTEM TO MITIGATE STORM WATER pp p n `e a a % IMPACTS. 9'�f�ClflT�S z a 1. THE STORM WATER DETENTION SYSTEM IS DESIGNED TO • • a� m . ,a <,, •a e: • � ,a �< WADTERE FOR ALANDOSCAPEEARRN GA SYSTEM AS WELL AS PROVIDE STAHLY FLEXIBLE BOND BREAKER BETWEEN TANK RISER AND ° 2. ROOF DRAIN RUNOFF IS ROUTED DIRECTLY INTO THE DETENTION ENGINEERING FLOOR (TYP ALL RISERS)—� 30" (TYP) SEPARATOROBEFOREN RUNOFF ENTERING ITHE ROUTED DETENTIIO�ANK.SAND-OIL & ASSOCIATES 30" DIA RISER (TYP OF 3) 2" SCH.40 VENT PIPE PROFESSIONAL BACK TO BUILDING 3. THE SYSTEM WILL SATISFY BOTH IRRIGATION AND PEAK FLOW ENGINEERS$ (SEE MECHANICAL) REQUIREMENT BY UTILIZING CONTROLS WHICH WILL ACCOMPLISH THE FOLLOWING: SURVEYORS 8' CIA 9000 GALLON .—seaeng.com FIBERGLASS TANK a.DURING IRRIGATION SEASON, THE WATER WILL BE UTILIZED FOR IRRIGATION TO ITS MAXIMUM POTENTIAL AND STORM WATER 404 W. BROADWAY RELEASE TO THE MUNICIPAL STORM WATER SYSTEM MAY ONLY LEWISTOWN, MT 59457 10" INLET FROM DING OCCUR ON RARE OCCASION. Ph.—(406)535-8594 10" OUTLET TO STORM WITH BAFFLING TEE b.WHEN STORM WATER IS NOT AVAILABLE FOR IRRIGATION DRAIN WITH BAFFLING TEE OVERFLOW WATER LEVEL DURING THE IRRIGATION SEASON, MEANING THE TANK IS AT A 3530 CENTENNIAL DR. MINIMUM LEVEL, CITY WATER WILL BE UTILIZED FOR LANDSCAPE HELENA, MT 59601 IRRIGATION. Phone:(406)442-8594 3" c.DURING TIMES WHEN IRRIGATION IS NOT REQUIRED THE Fax:(406)442-8557 DETENTION TANK WILL CAPTURE A PORTION OF THE BUILDING 851 BRIDGER DR. STE. 1 RUNOFF AND REDUCE PEAK FLOWS. RUNOFF IN EXCESS OF BOZEMAN, MT 59715 THE TANK VOLUME WILL EXIT THE TANK OVERFLOW TO THE phone:(406)522-9526 IRRIGATION PUMPING SYSTEM CITY STORM WATER SYSTEM. THE TANK IS SIZED TO LIMIT Fax:(406)522-9528 (SEE SEPARATE PLANS) OVERFLOW RATES TO EXISTING RUNOFF RATES. IN ORDER TO EMPTY THE TANK IN PREPARATION FOR THE NEXT STORM EVENT THE IRRIGATION PUMP CONTROLS WILL INCLUDE A PROGRAM THAT DISCHARGES WATER AT APPROXIMATELY 3 TO ISSUE/REVISION 5 GPM INTO THE BUILDING STORM DRAIN OUTLET UNTIL WATER 6567 GALLONS OF ACTIVE IN THE TANK IS LOWERED TO THE LOW WATER LEVEL. THIS No. DATE BY STORAGE BETWEEN LOW WATER WILL LOWER THE TANK LEVEL WITHIN 24 TO 36 HOURS AFTER 1 9-12-16 CDP LEVEL AND OVERFLOW A STORM, AND THE DETENTION VOLUME WILL AGAIN BE 81 AVAILABLE TO REDUCE PEAK FLOWS. DESCRIPTION DETENTION SYSTEM MAINTENANCE NOTES SD PLANS THE STORM WATER DETENTION SYSTEM REQUIRES REGULAR No. DATE BY LOW WATER LEVEL MAINTENANCE. THE FOLLOWING MAINTENANCE SCHEDULE IS 2 1 10-4-16 1 CDP PROVIDED. 1,7 DESCRIPTION 1. (CONTINUOUSLY AS NEEDED) SYSTEM MONITORING AND HOUSEKEEPING. SITE PLAN SUBMITTAL 24 BED AND BACKFILL TANK IN DURING IRRIGATION SEASON, CHECK THAT THE IRRIGATION ACCORDANCE WITH MANUFACTURER PUMPING SYSTEM IS OPERATING CORRECTLY. No. DATE BY RECOMMENDATIONS TO ACHIEVE • DURING REMAINDER OF THE YEAR, CHECK THAT TANK IS BEING 3 11-30-16 CDP TRAFFIC LOADING ON THE CONCRETE MAINTAINED AT LOW WATER LEVEL. DESCRIPTION 0o FLOOR OVER THE TANK. • INSPECT/CLEAN ROOF AND FLOOR DRAINS TO REMOVE DEBRIS. • CLEAN IRRIGATION FILTERS AS NEEDED. SITE PLAN 2. (ANNUAL MAINTENANCE -FALL) No. DATE BY I 9000-GALLON STORM WATER DETENTION TANK ADJUST PUMP PROGRAM FROM IRRIGATION MODE TO WINTER 4 1 1-4-17 1 CDP PUMP DOWN MODE. DESCRIPTION • BLOW OUT IRRIGATION SYSTEM OUTSIDE OF BUILDING. • CLEAN/CHANGE IRRIGATION FILTERS. • INSPECT DETENTION TANK AND REMOVE SEDIMENT. SITE PLAN REV - 2 • INSPECT SAND-OIL SEPARATOR AND REMOVE SEDIMENT. REPLACE OIL ABSORBENT MEDIA. No. DATE BY 3. (3-5 YEAR MAINTENANCE) 5 IFCO # 772 CAST IRON COMPLETELY PUMP OUT SAND-OIL SEPARATOR AND DETENTION DESCRIPTION FRAME AND NON VENTED TANKS AND REMOVE ANY SEDIMENT. COVER WITH POCKET HANDLES o L 8,-6,. _ a �� GRADE RINGS OR FLOOR DRAIN INLET. TO BE "�p014TA•N•9x o CONCRETE RISERS TO FINISHED GRADE CAST IRON WITH A REMOVABLE 12"X12" GRATE, TRAFFIC DELL D. � RATED, WITH 6" PIPE OUTLET. _•o, POOL :¢_ 2'-4" Ll �9;No.11645PE w= s CASTINGCONNECT 0 FLOOR 6" SCH.40 PVC PIPE IN 6" CHAO PVC PLACE OIL ABSORBENT ADAPTORS.DRAIN NTH FER C0FLEXIIBLE 'O�Ss7p NAs G ` OUT MEDIA BAGS IN OUTLET o / 0 SIDE OF SEPARATOR d a (z) za" AccEss 6" scH:4o 2-4 FLOOR DRAIN DETAIL CIVIL DRAINAGE OPENINGS TRANSFER PIPE DETAILS i _ PLACE TOP OF GRATE JUST BELOW ADJACENT FINISHED SIDEWALK GRADE `o 8" DROP IN ROUND GRATE, i 2" SCH.40 VENT PIPE 4-7 4'-4' NDS #20S FOR 6" PIPE WITH BLACK OLIVE BACK TO BUILDING HEEL PROOF OPENINGS TOP VIEW (SEE MECHANICAL) 6" SDR 35 PVC DRAIN PIPE, BLACK$OLIVE,LLC 1000 GALLON SAND-OIL SEPARATOR CONNECT TO BUILDING FLOOR 12" P. DRAIN PIPE 110 EAST OLIVE STREET o NOTES • BOZEMAN,MONTANA 59715 1. SAND-OIL SEPARATOR TANK BE HS-20 TRAFFIC RATED. SIDEWALK DRAIN DETAIL SIDE VIEW DESIGNED:CDP 2. SAND-OIL SEPARATOR TO RECEIVE ONLY FLOOR DRAIN WATER. DRAWN: JP 3. SEE MECHANICAL FOR BUILDING PIPING. 1000 GALLON SAND-OIL SEPARATOR CHECKED: CDP o DATE: PROJECT DATE o SHEET C 1.5