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<br />. <br /> <br />. <br /> <br />June 10, 1992 <br />Mr. John Pritchard, To\;o'D. :Manager <br />Town. of Granby <br />Page 4 <br /> <br />::B] <br /> <br />Int2ke StrUcture <br /> <br />iJ <br />~ <br /> <br /> <br />.".,C} <br /> <br />We :teCOmmend ll. new int2ke structuIe be located upstr= of the ~g intake. <br />The intake strnctme will. be lo=t..rt at a deeper deiJth to allow adequate water to <br />be obtailledfrom the Fraser River durlng low flow, winter time conl'lHinM, The <br />intake will be situated low e:1ough so the diversion dam will DOt have to be <br />modified to back up water. We recommend that the existing intake that also ' <br />proVides vr.,ter to an adj=t icigation ditch be left. in pIace as a backup. The <br />new intake should hzve an ;nr.:.1r... valve v..hich can be:hrottled to vary the amoont <br />of water to the intake retention pond. <br /> <br />Intake Rett:ntion Pond Bypass <br /> <br />We recommend that a new 12" bn:ass lil1.e be 10<'"'>+€'!i from the intike str'..icture <br />directly to the water ti'eatment plant. This is to allow Fraser River w-...ter to be <br />direc.ro di.-e:;'"ly into the w-..ter t:reat.-nent plaIlt.. This will allow the intake <br />retention pond to be dr..i:::.ed and c1lZ1ed per.io:ii~ny. In addition, durl.,g times <br />of year whe.:l alg-..e groW'".h, etc., OCC'':'''''S in the in""..... retemioD. pond, better <br />0"" iitv v.-..ter can be obtained direc-Jy from the F:a...<e: mer. The atw:hed <br />d..-ra~gs shows schematic locations for tni< bypass. <br /> <br />3. Construction Costs <br /> <br />Attached are line item comtrllC:lon costs for the improvements reco""""'e.:lded. <br /> <br />SC:"'iMt:=~:;::::, ~="OCN ~.~E"fE::" INC. <br />