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Home My WebLink About006-C3.0_DETAILSSSSSSSSSSSSSSSSSSSSS82.084.086.00510152025303540455080.078.0HEADWATERSPROJECT NUMBERDRAWING NUMBERDRAWN BY:DATE:2026VERIFY SCALETHESE PRINTS MAY BEREDUCED. LINE BELOWMEASURES ONE INCH ONORIGINAL DRAWING. MODIFY SCALE ACCORDINGLYH:\2127\001\ACAD\SHEETS\C3.0_DETAILS.dwg Plot Date: 4/4/2026 9:20 AM© HEADWATERS ENGINEERING, INC.REVISION DATE:1105 REEVES RD. W. STE 6, BOZEMAN, MT 59718HEADWATERSMT.NET406-581-5730PROJECT LOCATIONC3.02127.001BCPC FACILITY350 GALLATIN PARK DRIVESTORM POND DETAILSJRM1/21/2604/04/26BOZEMANMONTANA11"X17": 1"= 16 ftNGRAPHIC SCALE1 inch = ft.0( IN FEET )4888STORM PONDWSE MINOR STORM=84.33MINOR STORM VOLUME=4805 CFMAJOR STORM VOLUME=8293 CFPROPERTY BOUNDARYTBC(LOW)=84.82CURB CUTFUTUREPARALLEL SEWERMAINEXISTINGDRAINAGEPATTERNEXISTING SEWERMAIN3' SIDE SETBACK3' REAR SETBACKMONITORING WELLGW ELEV=78.80PERC TEST82.0 (BOTTOM)84.33 (TOP 10-YR POND)85.25 (TOP BERM)84.004:1 SLOPE3:1 SLOPE*3:1 SLOPE * 4:1 SLOPE 6' WIDE EMERGENCYOVERFLOWSEE DETAIL, THIS SHEETEMBERGENCY OVERFLOWSECTION AEMERGENCY OVERFLOWSECTION BAB8" INV=82.30W/CONCRETE CAP6" INV=82.50W/CONCRETECAP6.0'3:10.25'1.0'12" OF 6" ANGULAR ROCK ONMIRAFI NON-WOVENSEPARATION FABRIC12" OF 6" ANGULAR ROCK ONMIRAFI NON-WOVENSEPARATION FABRICINV=85.0INV=85.0INV=85.253:1NATIVEGROUND1.0'STORMPOND8" THICK OF 6"ANGULAR ROCKARMORING ON MIRAFISEP. FABRIC9' WIDE TO BTM8" THICK OF 6"ANGULAR ROCKARMORING ON MIRAFISEP. FABRIC3' WIDE TO BTM85.25 (TOP BERM)84.00CCSTORM POND CROSSSECTION CTOP=85.25LIMITS OF MAJORSTORM STORAGEWSE=85.084.50 8 5 . 0 0 87.00 SEE SHEET C1.1 FORGUTTER PIPE INFOOUTDOOR COURTS4:14:14:1TIE INTO NATIVEEDGEPARKING LOT82.582.582.582.5 82.0 (BOTTOM)82.0 (BOTTOM)FOREBAYFOREBAY2.37'TOPSOILLEAN SAND W/CLAY (SANDY CLAY LOAM)STORM POND NOTE:* 3:1 SLOPES ON WEST SIDE OF THE POND AS ALLOWED BY ENGINEERING TO FACILITATE REGIONALSEWER INFRASTRUCTURE. SEE UTILITY CONFLICT MITIGATION PLAN.