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2019-01-18_REVISION - M1974086 (12)
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2019-01-18_REVISION - M1974086 (12)
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Entry Properties
Last modified
6/15/2021 5:44:27 PM
Creation date
1/22/2019 11:53:47 AM
Metadata
Fields
Template:
DRMS Permit Index
Permit No
M1974086
IBM Index Class Name
Revision
Doc Date
1/18/2019
Doc Name
Request For Amendment To Permit
From
Asphalt Paving Co.
To
DRMS
Type & Sequence
AM4
Email Name
ECS
MAC
Media Type
M
Archive
No
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I <br />of 300'.Ii <br />C. <br />Map C-4 Stormwater Designs <br />Ralston Quarry <br />pnit Paving Co. <br />DRMS Permit Nu ber: M-1974-086 <br />Mine Entry Locati : Latitude: 222 Longitude: 105.23139 N <br />State: CO County: Jefferson Nearest Town: Arvada <br />Section:4 Township: 3S Range: 70W PM: 6th <br />Major Watershed: ---- 0' 500' 1000' <br />Map Scale: 100 <br />Map Georeferencing Information: Datum: NAD83 Projection: CO Central <br />Survey Source: Google & Drone Survey Date: 2010 & 2018 <br />Imagery Source: Google & Drone Imagery Date: 08116/18 <br />Drawn by: BEL Date: 08/25118 <br />Checked by: BEL Date: --- <br />Approved by: GL Date - <br />File Name: E:1Work\Dropbox (GLA)1Asphalt Paving Company\Ralston Quarry\AutoCAD\Ralston Quarry 190116.dn <br />Greg Lewicki And Associates <br />3375 W Powers Circle Phone (303)-345-5195 <br />Littleton, CO 80123 E -Mail - infoglewicki.biz <br />6180' <br />6160' <br />6140' <br />6120' <br />0 <br />0 <br />0 <br />South Pond <br />MAX. WATER LEVEL <br />6170.2' ELEV. <br />EMERGENCY SPILLWAY <br />4 <br />6170.2' ELEV. <br />2. <br />r <br />1 9.3 <br />1 <br />0 <br />Q <br />Q <br />0 <br />N <br />0' 50' <br />100' <br />N <br />1.0% SLOPE <br />(ft) <br />(ft) <br />(ft) <br />0 <br />o <br />o <br />a <br />a <br />0 <br />o <br />wnn <br />(ac) <br />ROCK FILTER BERM <br />GROUND ENG. <br />(ac -ft) <br />(ft) <br />6162.00 <br />6162.00 <br />ZONE <br />0.0100 <br />6162.50 <br />N/A <br />N/A <br />0.0213 <br />0.0156 <br />0.50 <br />0.0078 <br />0.0078 <br />0.50 <br />[DITCH <br />C-3 <br />t <br />0.0326 <br />0.0213 <br />\ , <br />/ <br />0.0213 <br />r <br />6164.00 <br />6164.00 <br />6164.00 <br />0.0466 <br />0.0396 <br />GROUND ENG. <br />DITCH C-3 TO <br />0.0609 <br />2.00 <br />Odom <br />ZON 4 <br />_ <br />DITCH C-4 <br />i <br />1.00 <br />0.0540 <br />0.1148 <br />f <br />6166.00 <br />IJ <br />6166.00 <br />0.0769 <br />0.0691 <br />1.00 <br />0.0691 <br />0.1839 <br />4.00 <br />6167.00 <br />6167.00 <br />6167.00 <br />0.0931 <br />\ <br />7f <br />0.0850 <br />0.2689 <br />5.00 <br />6168.00 <br />_ <br />DISCHARGE <br />/ <br />0.1102 <br />0.1016 <br />i <br />; <br />BACK DRAIN <br />DISCHARGE <br />6.00 <br />6969.00 <br />OUTFALL `\ <br />--.__ <br />0.1280 <br />0.1191 <br />PIPE ROUTES <br />0.9191 <br />0.4897 <br />111 <br />6170.00 <br />4 <br />6170.00 <br />0.1466 <br />0.1373 <br />DITCH C-4 <br />0.1373 <br />0.6270 <br />8.00 <br />I <br />'S <br />N/A <br />0.1505 <br />0.1485 <br />0.20 <br />0.0297 <br />i <br />I <br />8.20 <br />GROUND ENG. <br />1.00 <br />0.1603 <br />0.8170 <br />9.20 <br />i 1 <br />ZONE 3 <br />6171.20 <br />0.1700 <br />Pit <br />, <br />BACK DRAIN <br />�'-•• <br />I <br />PIPE ROUTES <br />;. <br />- <br />DITCH C-1 <br />• <br />GROUND ENG. <br />- <br />ZONE 2 <br />,x. <br />DRAINAGE <br />• <br />a <br />DIRECTION (TYP.) <br />GROUND ENG. <br />r <br />• <br />ZONE 1 <br />DITCH C-2 <br />of 300'.Ii <br />C. <br />Map C-4 Stormwater Designs <br />Ralston Quarry <br />pnit Paving Co. <br />DRMS Permit Nu ber: M-1974-086 <br />Mine Entry Locati : Latitude: 222 Longitude: 105.23139 N <br />State: CO County: Jefferson Nearest Town: Arvada <br />Section:4 Township: 3S Range: 70W PM: 6th <br />Major Watershed: ---- 0' 500' 1000' <br />Map Scale: 100 <br />Map Georeferencing Information: Datum: NAD83 Projection: CO Central <br />Survey Source: Google & Drone Survey Date: 2010 & 2018 <br />Imagery Source: Google & Drone Imagery Date: 08116/18 <br />Drawn by: BEL Date: 08/25118 <br />Checked by: BEL Date: --- <br />Approved by: GL Date - <br />File Name: E:1Work\Dropbox (GLA)1Asphalt Paving Company\Ralston Quarry\AutoCAD\Ralston Quarry 190116.dn <br />Greg Lewicki And Associates <br />3375 W Powers Circle Phone (303)-345-5195 <br />Littleton, CO 80123 E -Mail - infoglewicki.biz <br />6180' <br />6160' <br />6140' <br />6120' <br />0 <br />0 <br />0 <br />South Pond <br />MAX. WATER LEVEL <br />6170.2' ELEV. <br />EMERGENCY SPILLWAY <br />4 <br />6170.2' ELEV. <br />2. <br />r <br />1 9.3 <br />1 <br />0 <br />Q <br />Q <br />0 <br />N <br />INTERVAL <br />(0 <br />00 <br />1.0% SLOPE <br />(ft) <br />(ft) <br />(ft) <br />0 <br />o <br />o <br />a <br />M -1974-083 Stage Storage Curve <br />North Pond <br />6172 <br />6171 <br />. <br />(6171 <br />6170 ) <br />6169 <br />6168 <br />0 6167 <br />w 6166 <br />6165 <br />6164 <br />6163 g <br />CPR�IPAL S IL LAY �616�.50) <br />6162 X BOTTOM OF POND (6162.0) <br />LEGEND <br />BOUNDARIES <br />DRMS Permit Boundary <br />CROSS SECTION TOPOGRAPHY <br />Baseline <br />Mining ''------' <br />Reclaimed <br />POND BOTTOM <br />6162.0' ELEV. <br />PRIMARY SPILLWAY <br />Width <br />LENGTH <br />AREA <br />12" CMP <br />INTERVAL <br />STORAGE <br />ACG. <br />1.0% SLOPE <br />(ft) <br />(ft) <br />(ft) <br />INLET IS MIN. 0.5' ABOVE POND BOTTOM <br />AREA <br />O <br />0 <br />a <br />0 <br />o <br />d- <br />(ac) <br />(ac -ft) <br />(ft) <br />6162.00 <br />6162.00 <br />6162.00 <br />0.00 0.70 0.82 1.63 <br />Accumulative Storage (Acre -Ft) <br />Storage volume computations <br />M-1974-083 <br />North Pond <br />ELEV. <br />Width <br />LENGTH <br />AREA <br />AVG. <br />INTERVAL <br />STORAGE <br />ACG. <br />STAGE <br />(ft) <br />(ft) <br />(ft) <br />(ac) <br />AREA <br />(ft) <br />(ao-ft) <br />STORAGE <br />INTERVAL <br />(ac) <br />(ac -ft) <br />(ft) <br />6162.00 <br />6162.00 <br />6162.00 <br />0.0100 <br />6162.50 <br />N/A <br />N/A <br />0.0213 <br />0.0156 <br />0.50 <br />0.0078 <br />0.0078 <br />0.50 <br />6163.00 <br />6163.00 <br />6163.00 <br />0.0326 <br />0.0213 <br />0.50 <br />0.0135 <br />0.0213 <br />1.00 <br />6164.00 <br />6164.00 <br />6164.00 <br />0.0466 <br />0.0396 <br />1.00 <br />0.0396 <br />0.0609 <br />2.00 <br />6165.00 <br />6165.00 <br />6165.00 <br />0.0613 <br />0.0540 <br />1.00 <br />0.0540 <br />0.1148 <br />3.00 <br />6166.00 <br />6166.00 <br />6166.00 <br />0.0769 <br />0.0691 <br />1.00 <br />0.0691 <br />0.1839 <br />4.00 <br />6167.00 <br />6167.00 <br />6167.00 <br />0.0931 <br />0.0850 <br />1.00 <br />0.0850 <br />0.2689 <br />5.00 <br />6168.00 <br />6168.00 <br />6168.00 <br />0.1102 <br />0.1016 <br />1.00 <br />0.1017 <br />0.3706 <br />6.00 <br />6969.00 <br />6169.00 <br />6169.00 <br />0.1280 <br />0.1191 <br />1.00 <br />0.9191 <br />0.4897 <br />7.00 <br />6170.00 <br />6170.00 <br />6170.00 <br />0.1466 <br />0.1373 <br />1.00 <br />0.1373 <br />0.6270 <br />8.00 <br />6170.20 <br />N/A <br />N/A <br />0.1505 <br />0.1485 <br />0.20 <br />0.0297 <br />0.6567 <br />8.20 <br />0.1583 <br />1.00 <br />0.1603 <br />0.8170 <br />9.20 <br />6171.20 <br />6171.20 <br />6171.20 <br />0.1700 <br />South Pond <br />M <br />6200' <br />6180' <br />6160' <br />6140' <br />6120' <br />r'AA c+nn I IxrAv <br />DEPTH OF FLOW = 0.5' <br />DISCHARGE CAPACITY = 15 CFS <br />10 -YR 24 -HR EVENT: <br />0.69 ac -ft, 12.7 cfs <br />Collection Ditch Designs; <br />Ditches C-1 & C-2 <br />0.6 ft. 0.50 ft. Freeboard <br />1 1 <br />2 2 <br />2.50 ft. <br />Ditches C-1 & C-2 <br />Trapezoidal Channel <br />Equal Side Slopes <br />Channel Lining: Graded silts to cobbles <br />(excavated in existing material) <br />Capacity: 8.3 CFS on 20% grade (3.75ft/s) <br />Ditch C-4 <br />1.0 ft. 0.50 ft. Freeboard <br />1 1 <br />2 2 <br />7.5 ft. <br />Ditch C-4 <br />Trapezoidal Channel <br />Equal Side Slopes <br />Channel Lining: Riprap D5o = 12 -inch <br />Capacity: 60 CFS on 4.5% grade (6.7 fVs) <br />ROC K STORMWATER FILTER BERM DETAIL <br />ROCK STORMWATER <br />FILTER BERM <br />6' TALL <br />3HAV SIDESLOPE <br />D5o = 8" FL�� <br />COLLECTION DITCH (TYP.) <br />= 1.0' Ditch Flow Requimments <br />Ditch Inflow Area (acres) Discharge (CFS) <br />C-1 2.3 6.0 <br />C-2 2.5 6.7 <br />C-3 10,8 16.1 <br />C-416.7 128.2 (16,1+12.1) <br />Ditch C-3 <br />1.2 ft. 0.50 ft. Freeboard <br />1 1 <br />2 2 <br />2.0 ft. <br />Ditch C-3 <br />Trapezoidal Channel <br />Equal Side Slopes <br />Channel Lining: Riprap Dso = 6 -inch <br />Capacity: 23 CFS on 1.7% grade (4.3 ft/s) <br />NOTES: <br />• DITCH C-3 MUST HAVE CAPACITY OF ITS OWN DRAINAGE AND <br />A SUBSURFACE DRAINAGE SYSTEM <br />• DITCH C4 MUST HAVE CAPACITY OF ITS OWN DRAINAGE <br />AREA PLUS DITCH C-3 AND SUBSURFACE DRAINAGE SYSTEM <br />• CURVE NUMBER OF 79 USED IN ALL RUNOFF CALCS. <br />• DITCHES (C-3 THROUGH C-4 ARE DESIGNED TO BE <br />NON-EROSIVE BUT TEMPORARY <br />• 10 -YR EVENT USED FOR ALL DITCH DESIGNS AND POND <br />DESIGN <br />
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