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<br />c. FRtf.1.: BECK RANCH R I DGDE RAI-Ol <br /> <br />'-' <br /> <br />'-' <br /> <br />'- <br /> <br />PI-GE NO. : 1 970 883 5594 <br /> <br />F eb, 22 2003 12'1: l1PM P2 <br />r.x.t',/( <br /> <br />United States Department of a,rtculture <br /> <br />~NRCS <br /> <br />9fO.2S8-3289IC3-OFFICE <br />970-247-341UAX <br />www.co.nrcs.U$da.gov <br /> <br />NallAI Resourvea ConserYallOn SeMc:e <br />Durango field omce <br />31 SUlUe Street <br />Durango, CO .1303 <br /> <br />February 12,2002 <br /> <br />Ken Beck, President <br />Pine River Bayfleld Ditch Company <br />5675, Cou~ty Road 334 <br />Ignacio', CO 81137 <br /> <br />As you requested, we have put together a cost estimate to replace the Beaver Creek <br />Syphon. You asked that the new syphon be able to deliver 37 c.f.s. The original profile <br />from 1953 was used 10 determine the length and elevations. <br /> <br />As you review this estimate, )'Qu need to know the trendl witl be 6' -"S' deep. With this <br />depth the trench will need to be sloped or benched to O.S.H.A. Regulations. For this <br />reason I put a cost of $3.~ for excavation. <br /> <br />They do make a P.V.C. pipe that is 30- diameter. Using this pipe with a pressure ratio <br />of 80 PSI wifl deliver the 37 c.f.s. you requested. <br /> <br />. The estimate includes the material needed to place a 6" layer of % minus washed <br />granular material under the pipe. There is also a cost to place the same material along <br />the Side~~ the 'pe to the top of the pipe. <br /> <br />~ <br /> <br />Bob Clark . <br />Soil Conservation Technician <br /> <br />Tile NH/nII ~c-..IIao &ervIce__lItplft\er'llllp_... AmellcM,... <br />10 co_...1II1d susWn IIlIIu;;lI ~ Ilft plMtel8nd8. <br /> <br />AA EcIlM1~ProvidItIllMl~. <br />