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HomeMy WebLinkAbout10 C201-GRADING & DRAINAGE PLANLOT 12 1.40 acs.N0°00'00"E228.57'S89°57'07"E 264.93'S0°02'56"W 231.11'SD SD SD SD SD SD SD SD SD SD SD SD SD SD SDSDSD8S8S8S8S8S8S8S8S8S8S8S8S8S8S8S8SS S S S SSS38.56MEG 38.42 39.8240.12 41.11 41.05 41.05 41.05 41.05 40.76 40.66 40.61 40.74 40.56 40.35 40.18 39.78 39.6240.31 40.4340.43 40.3139.86 39.98 40.10 39.97 39.04 39.89 39.94 39.99 40.01 38.27 MEG 38.20 38.17 38.05 38.64 38.77 38.86 38.70 39.19 39.71 39.35 39.30 40.18 39.75 40.09 39.75 39.34 39.37 39.69 39.64 -2.71%-2.71%-1.55%- 1 .4 8%-3.92%-3.05%-2.54%-1 . 2 1% - 1 . 2 1% -1 . 1 6% - 1 .2 9% - 1 .2 0% -0 . 9 8%-2.11%-1 .12%-1.82%-2.09%-2.89 % - 1 . 3 6% -1 .17% -0.67% -0.60%-0.60%-0.60%-0.60%-0.90%-0.90%-0.90%-0.70%-0.00%-0.94%-0.08%-4.15% 39.7339.54 -1.36%-0.19%38.79 MEG 38.45 MEG 38.55 -1.75%-1.47%-1.75%-1.54%-1.51%-1.75%4740- 1 . 36% 37.09 37.90 38.04 -0.62%4738 4739 4740 4740 47404740 40.87 VERIFY SCALE! THESE PRINTS MAY BE REDUCED. LINE BELOW MEASURES ONE INCH ON ORIGINAL DRAWING. MODIFY SCALE ACCORDINGLY! 2022COPYRIGHT © MORRISON-MAIERLE, INC., SHEET NUMBER PROJECT NUMBER DRAWING NUMBER DATEDESCRIPTIONNO.BY N:\5659\009 NWX BUILDING B SITE PLAN\ACAD\SHEETS\C201 CIVIL GRADING & DRAINAGE PLAN.DWGREVISIONS DRAWN BY: DSGN. BY: APPR. BY: DATE: Q.C. REVIEW DATE: BY: 2880 Technology Blvd West Bozeman, MT 59718 406.587.0721 www.m-m.net engineers surveyors planners scientists MorrisonMaierle PLOTTED BY:CELINE SAUCIER ON Feb/04/2022 NWX BUILDING I BOZEMAN MONTANA CIVIL GRADING & DRAINAGE PLAN 5659.009 6 C201 CMS CMS MEE 10/2021 10 205100 SCALE IN FEET NOT FOR CONSTRUCTION GENERAL NOTES 1.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=” SHALL HAVE CURB INLET TYPE SLOTTED COVERS. 2.SPOT ELEVATIONS ALONG CURB LINES AND SIDEWALK EDGES ARE TOP BACK OF CURB (TBC) AND TOP OF SIDEWALK ELEVATIONS. SUBTRACT 0.50' (SPILL CURB) OR 0.37' (CATCH CURB) TO OBTAIN EDGE OF GUTTER (EG) ELEVATION AT THE ASPHALT/GUTTER LINE. 3.GRADE BREAK LINES (SEE LEGEND): USE STRAIGHT-LINE INTERPOLATION TO DETERMINE FINISHED GRADE ELEVATIONS BETWEEN INDICATED SPOT ELEVATIONS. T CATCH CURB SPILL CURB TRANSITION CURB (T) TOP BACK OF CURB ELEVATIONTBC MATCH EXISTING ELEVATIONMEG LEGEND GRADE BREAK LINE (SEE NOTE 3) Know what's below. before you dig.Call R Know what's below. before you dig.Call R THIS SITE HAS BEEN DESIGNED TO BE ACCESSIBLE TO INDIVIDUALS WITH DISABILITIES IN ACCORDANCE WITH THE AMERICANS WITH DISABILITIES ACT.TWIN LAKES AVECURB INLET 1 NEW 48"Ø COMBINATION STORM DRAIN MANHOLE TBC: 38.07 12" INV OUT (S): 34.07 12.6 LF OF 12" @ 1.0% SDMH 2 NEW 48"Ø STORM DRAIN MANHOLE GRATE: 37.85 12" INV IN (N): 33.94 24" INV OUT (E): 33.94 1 UNDERGROUND STORM WATER RETENTION SYSTEM 10 YEAR WATER SURFACE ELEV.= 4736.94 (TOP OF GRAVEL) BASE ELEVATION, CHAMBERS = 4733.94 (LEVEL) MAX SUB-GRADE ELEVATION = 4733.44* * EXCAVATE TO NATIVE GRAVEL LAYER TO ALLOW INFILTRATION 10-YEAR STORAGE VOL = 778.64CF ADS STORMTECH SC-160LP CHAMBERS, OR APPROVED EQUAL. INSTALL A CONTINUOUS PIECE OF FABRIC IN TWO LAYERS UNDER CHAMBERS ALONG ENTIRE LENGTH OF SYSTEM. 2 UNDERGROUND STORM WATER RETENTION SYSTEM 10 YEAR WATER SURFACE ELEV.= 4727.72 (TOP OF GRAVEL) BASE ELEVATION, CHAMBERS = 4724.72(LEVEL) MAX SUB-GRADE ELEVATION = 4734.22* * EXCAVATE TO NATIVE GRAVEL LAYER TO ALLOW INFILTRATION 10-YEAR STORAGE VOL = 3189.74CF ADS STORMTECH SC-160LP CHAMBERS, OR APPROVED EQUAL. INSTALL A CONTINUOUS PIECE OF FABRIC IN TWO LAYERS UNDER CHAMBERS ALONG ENTIRE LENGTH OF SYSTEM. 1 2 CURB INLET 3 NEW 48"Ø COMBINATION STORM DRAIN MANHOLE TBC: 39.88 12" INV IN (E): 34.88 12" INV OUT (S): 34.88 SDMH 2 NEW 48"Ø STORM DRAIN MANHOLE GRATE: 39.72 12" INV IN (N): 34.72 24" INV OUT (E): 34.72 15.8 LF OF 12" @ 1.0% CURB INLET 2 NEW 48"Ø COMBINATION STORM DRAIN MANHOLE TBC: 39.62 12" INV OUT (W): 36.23135 LF OF 12" @ 1.0%