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<br />denSity The Canal prism then can be re- <br />e)(ca~ated uSing scrapers and a trim- <br />ming machine which IS a modified <br />trenching maCnlne <br /> <br />After the canal prism IS e)(ca~ated to <br />approximate finiSh grade me slip form <br />pa~ing machme (built espectally for thIs <br />prOject I IS pulled ttHOugh the canal by a <br />Oozer The maChine is designed to place <br />concrete on the entire prism III one pass <br /> <br />..... <br />C'J <br />r:....'"'l <br />o <br /> <br />~~ <br /> <br />.A <br /> <br />,'r <br /> <br />t _-~ <br /> <br />~ <br /> <br />r. >:I <br />~ <br /> <br />, <br /> <br />The macnlne Will be gUided by a skid <br />plate approximately 8 feet long WhiCh <br />fils the trimmed pflsm. Behind the sk.ld <br />plate IS another plate offset 2"2 mChes <br />lhe design thICl<.ne-ss 01 the concrete <br />Immg The concrete Will be place-d Into <br />tf'le canal bet....een the earth and the <br />offset plate As the- slip lorm paving <br />maChtne!s PU))l<d ttHOughlhe canal the <br />concrete- lining IS smoothed and the- <br />POly....lnyl Chloride strips placed In the <br />longltudmal Jomts In the Immg <br /> <br />,-- <br /> <br />i:;! <br />III <br />L"1 <br /> <br />~ <br />III <br /> <br />Construction 01 Slage One will allow <br />In~estlgalors to ....erlly effects 01 Initial <br />de~elopment w~le p1anfllng contmues <br />on the rest oltne unit If the salinity <br />re-auctlon ef1ects are as predicted, <br />construCltOn of Stage Two could begin <br />as early as fiscal year 1985. and salinlly <br />reduction Will be yel another slepc!oser <br /> <br /> <br /> <br /> <br />~~ <br /> <br />.,..'~~~ <br /> <br />~~ <br />~,. .":,,,- <br />~ ~- ... <br />. - -- .. ~ .. <br />"'>~~';;, - <br />1o.riI~";a <br />-".".~ ....~ <br /> <br />- <br /> <br />----- <br /> <br />, <br />