HomeMy WebLinkAbout016 C4.2 Grading Plan (3 of 6)BLOCK 1LOT 14.33 acs.188509 sq.ft.PB12SD12SDBP BP BP BP BP BP BP BP BP BP BP BP BP BP BP BP BP BP BP BP BP BP BP
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-1.05%-1.00%-0.76%-2.00%-7.05%CURB INLET 2TBC: 85.8612" INV IN/OUT: 83.05PROPOSED 30.00' WIDEWATER & SEWEREASEMENT18-PLEX (B)FFE = 4787.63'LAUREL PARKWAY88.2588.2988.1588.0388.0187.8887.2387.3587.0686.9986.6186.4486.4086.7686.8787.7487.85PC 88.05PC 87.9385.86-2.26%86.3786.8686.2686.3986.4586.6087.1187.5387.2187.5387.4287.2787.48-1.67%-1.42%-1.24%87.6187.1687.50-0.78%-0.55%-0.17%-1.38%-1.00%-0.88%-0.64%-0.60%
-1.37%88.1688.1788.0988.08-6.70%-9.60%-4.09%-1.33%86.0885.9285.64SDMH 1GRATE: 85.3812" INV IN: 83.0012" INV OUT: 83.0010.5 LF 12" HDPE@ 0.5% SLOPE88.2888.3186.7087.4387.1687.0686.9086.59-1.43%-0.81%47874789-1.67%-1.75%85.3991.3 LF 12" HDPE@ 0.5% SLOPECURB INLET 6TBC: 86.9212" INV IN/OUT: 83.51 C4.2GRADING PLAN(3 OF 6)12-01-2022SHEET NUMBERPROJECT CODEPROJECT ADDRESSARCHITECT RETAINS COPYRIGHT TO THESE DRAWINGS.DRAWINGS ARE ONLY FOR USE FOR PROJECT NAMED ONDRAWING SHEET AND MAY NOT BE REPRODUCED OR USEDFOR OTHER PURPOSES WITHOUT WRITTEN PERMISSIONFROM ARCHITECT.NWBWEST PARKNEIGHBORHOODBLOCK 1LOT 1WEST PARKSUBDIVISIONPRELIMINARY106 EAST BABCOCK STREETSUITE 1ABOZEMAN, MT 59715SHEET NAMEPROJECT NAMEDRAWING REVISIONSDRAWING ISSUE DATEDRAWING ISSUED FORPHONE: (406) 582-898812/01/202210205100SCALE IN FEETKnow what'sbelow.before you dig.CallRTHIS SITE HAS BEEN DESIGNED TO BE ACCESSIBLE TOINDIVIDUALS WITH DISABILITIES IN ACCORDANCE WITHTHE AMERICANS WITH DISABILITIES ACT.GENERAL NOTES1.ALL STORM DRAIN MANHOLES SHALL BE 48-INCH DIAMETER,CONSTRUCTED PER CITY OF BOZEMAN STANDARD DETAILS.MANHOLES INDICATING “RIM=” SHALL HAVE SOLID COVERS,THOSE INDICATING “GRATE=” SHALL HAVE SLOTTED(GRATED) COVERS, AND THOSE INDICATING “TBC=” SHALLHAVE CURB INLET TYPE SLOTTED COVERS.2.SPOT ELEVATIONS ALONG CURB LINES AND SIDEWALKEDGES ARE TOP BACK OF CURB (TBC) AND TOP OFSIDEWALK ELEVATIONS. SUBTRACT 0.50' (SPILL CURB) OR0.37' (CATCH CURB) TO OBTAIN EDGE OF GUTTER (EG)ELEVATION AT THE ASPHALT/GUTTER LINE.3.GRADE BREAK LINES (SEE LEGEND): USE STRAIGHT-LINEINTERPOLATION TO DETERMINE FINISHED GRADEELEVATIONS BETWEEN INDICATED SPOT ELEVATIONS.UNDERGROUND STORM WATER RETENTION SYSTEM #310 YEAR WATER SURFACE ELEV.= 4781.94 (TOP OF GRAVEL)BASE ELEVATION, CHAMBERS = 4780.44 (LEVEL)MAX SUB-GRADE ELEVATION = 4780.11** EXCAVATE TO NATIVE GRAVEL LAYER TO ALLOW INFILTRATION10-YEAR STORAGE VOL = 6,195.87CF358 ADS STORMTECH SC-160LP CHAMBERS, OR APPROVED EQUAL.INSTALL A CONTINUOUS PIECE OF FABRIC IN TWO LAYERS UNDERCHAMBERS ALONG ENTIRE LENGTH OF SYSTEM.SEE SHEET C5.3 FOR ADDITIONAL REQUIREMENTS.3TCATCH CURBSPILL CURBTRANSITIONCURB (T)TOP BACK OF CURB ELEVATIONTBCEDGE OF GUTTER ELEVATIONEGLEGENDGRADE BREAK LINE (SEE NOTE 3)SWALE>>>>>>MATCH LINE SHEET 4.4MATCH LINE SHEET 4.3 MATCH LINE SHEET 4.0