HomeMy WebLinkAbout003 C2.0 CIVIL LOT GRADING AND DRAINAGE PLANDNT.O. F.F. MAIN LEVEL100' - 0" (4834' - 6")T.O. EX. SIDEWALK(4832' - 9")T.O. EX. SIDEWALK(4830' - 11")T.O. EX. SIDEWALK(4830' - 2")T.O. NEW SIDEWALK(4830' - 0")GAS A
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PHONE PEDESTALSTRANSFORMERAPPROXIMATE LOT BOUNDARYDNT.O. F.F. MAIN LEVEL100' - 0" (4834' - 6")T.O. EX. SIDEWALK(4832' - 9")T.O. EX. SIDEWALK(4830' - 11")T.O. EX. SIDEWALK(4830' - 2")T.O. NEW SIDEWALK(4830' - 0")N00°E71.91'N90°E151.71'N90°E82.00'N90°E33.71''S45°E50.91''S00°E
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RETAINING WALL 4834.274834.272%2%1.2%1.2%1.7%1.4%1%1.0%1.0%1.0%1.0%4.6%1.1%1%1.1%1.0%7.0%3.9%2H:1V2H:1V(7) R
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4831.274830.774834.364834.364834.504834.504834.454834.504834.504834.40EX. 32.73EX. 32.764832.84EX. 32.97EX. 32.774832.804834.424834.424834.424832.804834.364830.86EX. 31.544831.59EX. 30.514831.56EX. 30.414830.46EX. 30.42EX. 29.90EX. 30.224830.46EX. 30.414830.45EX. 30.87EX. 30.61EX. 30.70EX. 30.654831.22EX. 30.27EX. 30.23EX. 29.92EX. 30.18EX. 30.07EX. 30.034830.404830.404830.124830.144830.45EX. 29.954830.264830.404830.404830.904830.904830.724830.724831.244830.294830.294830.75MFG 31.84FG 33.35UG STORMTECH SC-740 CHAMBERS1%1%PROJECT NUMBER:CHECKED BY:DRAWN BY:REVISIONS:CURRENT SET:GREG MATTHEWS STUDIO620 E. COTTONWOOD ST. SUITE 103BOZEMAN, MT 59715WWW.GREGMATTHEWSSTUDIO.COM2205MDWH MDGMS POST 14
625 BOARDWALK AVENUELOT BOUNDARYADJOINER LOT BOUNDARYEASEMENTEX. 1-FT CONTOUREX. 5-FT CONTOURFLOW DIRECTION ARROWGRADING & DRAINAGE PLANC1.1GRAPHIC SCALE8481601 inch = 8 ft.NGRADING & DRAINAGE PLAN1C1.1SCALE: 1"=8'GRADING & DRAINAGE NOTES1.ALL SPOT ELEVATIONS ON CURBS ARE TOP BACK OF CURB UNLESSOTHERWISE INDICATED. SUBTRACT 0.45' FOR FLOW LINE ELEVATION.2.IN GENERAL, FINISHED GRADE TO SLOPE AWAY FROM BUILDING ATA MINIMUM 4% GRADE FOR 10 FT IN LANDSCAPE AREAS AND 2%AWAY FOR HARDSCAPED AREAS.3.ELEVATION OF ALL CONCRETE WALKS AT BUILDING DOORS TO BEWITHIN 1/8" OF FINISH FLOOR ELEVATIONS.LEGENDSUBJECT PROPERTYBOUNDARYADJACENT PROPERTYBOUNDARYBOARDWALK AVENUE 13' EX. SIDEWALK36" MIN. LANDING4' NEW. SIDEWALK4'GREG MATTHEWS STUDIOPOST 14BLDG FOOTPRINT: 6,289 SF (SHADED)MAIN LEVEL F.F. 100-0" = 4834.50'LOWER LEVEL F.F. 90'-1" = 4824.58'APPROX. 32' OF 6"Ø SDR35STORM DRAIN PIPE @ 2% MIN.SLOPE FROM ATRIUM TRENCHDRAIN TO SC-740 END CAP17'L x 4"W ACO TRENCH DRAIN w/SEDIMENT CATCH TO CAPTUREALL ROOF RUNOFF FROMPERIMETER ATRIUM GUTTER(4) SC-740 STORMTECH UNDER-GROUND RETENTION CHAMBERS,B.O. CHAMBER ELEV: 4828.75SEE SHEET C2.1 FOR DETAILS18"Ø x 23'L ADS N-12 SMOOTHWALL INTERIOR INLET PIPE,INV. ELEV: 4828.75EXTG 48"Ø x 8' DEEP "DRYWELL"MANHOLE, CORE OPENING FORNEW 18"Ø ADS INLET PIPE,RIM EL: 4832.0NEW 18"Ø INV EL: 4828.75BOT. EL: 4824.06.25'30.33'EXTG CURB& GUTTEREXTG CURB& GUTTER06/20/2024ROOFSLOPEROOFSLOPEROOFSLOPEROOFSLOPESTORMWATER MANAGEMENT NOTES:1.LOT 2 DRAINAGE AREAS:(A)PARKING, HARDSCAPE & LANDSCAPE: 7,053 SF(B)BUILDING ROOF & COURTYARD:7,457 SF2.DRAINAGE AREA (A) CONSISTS OF THE ONSITE EXISTING PAVING AND THE PROPOSED HARDSCAPE & LANDSCAPE. RUNOFF FROM THE LOT 2AREA (A) WAS DESIGNED TO FLOW OVERLAND VIA EXTG CURB & GUTTER TO THE TOWN & COUNTRY "RETENTION POND 1". RETENTION POND 1WAS SIZED FOR 7,950 SF OF RUNOFF AREA FROM LOT 2 FOR A 10-YR 2-HR STORM EVENT. VALUES OBTAINED PER THE ORIGINAL LOT 4 SPRINGCREEK VILLAGE RESORT STORMWATER REPORT DATED JULY 2013 AND THE TOWN & COUNTRY STORMWATER DESIGN REPORT DATED 1/14/21.3.DRAINAGE AREA (B) CONSISTS OF THE BUILDING ROOF AND COURTYARD. RUNOFF FROM THIS DRAINAGE AREA IS DESIGNED TO BE CAPTUREDVIA GUTTERS AND A TRENCH DRAIN AND PIPED TO UNDERGROUND STORMTECH RETENTION CHAMBERS BELOW THE SOUTHWEST CORNER OFTHE BUILDING. APPROX. 490 CF OF RETENTION IS PROVIDED IN THE SUB-SURFACE RETENTION CHAMBERS FOR A 10-YR 2-HR STORM EVENT.4.ANNUAL INSPECTION & MAINTENANCE OF THE UNDERGROUND RETENTION SYSTEM SHALL CONDUCTED BY THE OWNER ACCORDING TO THESTORMWATER MAINTENANCE PLAN ON FILE WITH THIS SITE PLAN APPROVAL.5.A STORM WATER MANAGEMENT PERMIT FOR CONSTRUCTION ACTIVITIES SHALL BE OBTAINED PRIOR TO THE START OF CONSTRUCTION. THECONTRACTOR SHALL BE RESPONSIBLE FOR IMPLEMENTING AND MAINTAINING ALL REQUIRED BMP'S.6.SEE LANDSCAPING PLAN FOR DISTURBED SOIL TREATMENT.7.STORMWATER DETAILS ARE PROVIDED ON SHEET C2.1.LOT 2LOT1LOT 3LOT 4