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GENERAL31636
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Last modified
8/24/2016 7:54:40 PM
Creation date
11/23/2007 7:03:25 AM
Metadata
Fields
Template:
DRMS Permit Index
Permit No
M1980244
IBM Index Class Name
General Documents
Doc Date
9/2/1994
Doc Name
CRESSON PROJECT PN M-80-244 COMMITMENT 33 SPECIFICATIONS INSTALLATION OF LEAK COLLECTION RISER PIPES
From
CRIPPLE CREEK & VICTOR GOLD MINING CO
To
DMG
Media Type
D
Archive
No
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C: <br />C7 <br /> SUBJECT: HDPE Pipe Desi n <br />GOLDER Job Number: 933-2720 Made by BES Date: 8/25/94 <br />ASSOCIATES Ref: Checked: Sheet of <br /> Reviewed: <br /> Fih NYn~: plpeZMO wql <br />CALCULATIONS: (cont.,) <br />- Design the pipe for ring deflection, cont., <br />Combine Equations. <br />Ms = 1.35 Es <br />E" = 0.94 Es <br />Table 2 of Reference 4, page i 52, indicates a series of values <br />for Es -vs- stress. A value for Es has been determined. <br />(See page 9 of these calculations) <br />Es = 26680 psi <br />E" = 25141 psi <br />Add a factor of safety for variations in material placement. <br />E" = 16761 psi F.S = 1.5 <br />-Enter values into Modified Iowa Equation <br />DI = 1 E = 14400 psi <br />K= 0.1 SDR= 11 <br />P = 146.05 psi E" = 16761 psi <br />(dY/D) = 1.42 Allowable (%) = 2.7 <br />(Reference 2, page 38, chart 27) <br />Safety Factor =Allowable Deflection /Actual Deflection <br />SF = 1.90 <br />The calculated ring deflection will have negligible effects upon <br />the flow area. <br />
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