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<br />03-31-~5 06:38PM
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<br />FROM DAMES ~ MOORE
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<br />TO 9/4717168///301(6001 P003/00(
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<br />NOLTEX L.L.C. WASTEWATER PIPELINE
<br />IA PORTE, TEXAS
<br />DESIGN NARRATIVE
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<br />.., DuPoIIt PipeUne Corridor:
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<br />Commodity:
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<br />Neutralized Process Wastewater
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<br />~er ,Pipe: "~' ",.,: 8- 'D~minal ~eter PB, ~~8 SDR-? ,HOPB Pipe with a 200 psi
<br />, ::,' ..",' ',:'pressunu;atfrii, a,wan thlcktleS,s 0(0.95811, and butt fusion'we1ded ' ,
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<br />, , ,,',,:;:. '" ,..",..'..m"ts' ,,' -,,',-:',',:' ':,..\,:,,:..' ",',', ..,.,...' ,', ., '" ' ','
<br />10__.:..... .........:.~. ....f.. i ....:.-.a..&,"L~~.:.;.~"........f:!."..~."...,M. .~lt...~.."..t"~,,,,,'!'.:M4"-";';":I":4"Q.~io1~',:--.u.:,:...!I\!f.:~,,-:"_!i,-=r;":',+.. .......... a....a...~..#..-._...:;.;I:....... ...:~.
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<br />r"-':~-c':: ";I"C'1~t ::...... '.~"' 'rr.- ",- Oi'''1 : .'1.... '" .. .':"I;'~"~/'::~'~: ~-."\'j,'.!r:
<br />., ' ','. '~.,' ',; 'Containment Pipe: 12- nomlnal diameter PE 3408 SDR-26 BDPB' pipe with a 65 psi
<br />preSSln mCing, a wall thickness of 0.49-. and butt fusion welded
<br />joints.
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<br />, Casings: 16. O.D., 0.312- wan thickness confonning toAWWA C202 with
<br />welded joints and 16 mil D.F.T. coal tar epoxy coating.
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<br />Maximum Pressure: 129 psi
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<br />Max. Temperature: 1000 F
<br />Method of Crosaing; Borings with casings
<br />Exxon .Pipeline Corridor System: (City of La Porte erossiDp occur here)
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<br />Commodity=
<br />Carrier Pipe:
<br />
<br />Neutrali%ed Process Wastewater
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<br />8- nominal diameter PH 3408 SDR-ll HOPE pipe with a 160 psi
<br />pressure mling, a wall thickness of O. 78S1t , and butt fusion welded
<br />joints.
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<br />12- O.D., 0.188d wall thickness conforming to AWWA C202 with
<br />we1dedjoints ~d 16 mil D.P.T. coal tar epoxy coating.
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<br />Maximum Pressure: 102 psi
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<br />Casings;
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<br />'1- or. lure 1000 F, '
<br />.P'~. .Lempera :
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<br />Method of Crossing: Borings with casings
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<br />C:\JICIIJaI\lahiIII.
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