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2003-10-14_REVISION - M1992069
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2003-10-14_REVISION - M1992069
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Entry Properties
Last modified
6/16/2021 6:23:47 PM
Creation date
11/22/2007 1:24:08 AM
Metadata
Fields
Template:
DRMS Permit Index
Permit No
M1992069
IBM Index Class Name
Revision
Doc Date
10/14/2003
Doc Name
Concept Phase Report
From
Applegate
To
DMG
Type & Sequence
TR5
Media Type
D
Archive
No
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North Eagkyiar Drairmge Concept Phase <br />There are rro photographs available far the Er'avrl Pit pord since it k not yet reclaimed. Fiowevc, a CAD drwrirg <br />showing the proposed cantaeas of the Gravel Pii pord is inchxkd of the aril of this sectim_ <br />The photo below shows the bridge which carries the mum charnel of the Covftry Club Bas've under the L65 Rdlraad <br />tracks The bridge is kxated rcor the rrortheas7 ~ of the Gravel Pit pored. The rechanatian plae sfiows the <br />pord dischagirg to this bridge, but the aeterded sia of the discharge charnel is trot clear. We hme modeled the <br />future Gravel Pit pmd with a 10 wide discharge chorvrJ_ <br />The table bekwr sonrnorias cdaflatimes far the historic peak flow at the bridge by the Rational Method and ae a <br />simple SWMM model. That historic peak flow sets an upper limit to the Gravel Pit pad dischage to the cFeaveel <br />viler the ~4s <br />Historic peak flew to RR brdgc <br />Area Lnp laegth Skepe C Tc Q100 <br />ac Y ft ft/ft min cfs <br />Rutland Method 1,317 0% 17,757 0.01352 02 109 434 <br />SWMM 70 382 <br />The Midge has on open"ag width of 25' ofd clear height of 4'. It appears that the operating heal for orifice <br />operation would be grouter these 1'. But at that minimvn, the Midge would pass nearly 500 cfs <br />The sketch on the reexf page is a perspective view of the kege chafnel shaw'vg a portion of the chamd ad the <br />triple Morel concrete box alvert required to convey the 100 year peak fbw viler F Street to the Gravel Pit pored. <br />Page 9 <br />Cortaept Po~d°-.+fh~te2amer/reeda~/daadyrClaokiin~t/~l <br />Bridge is downcs/ti!iotn of 6ivte/PitPond <br />
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