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<br />O"~OLssON <br /> <br /> <br />ASSOCIATES <br />143 Union Blvd. Suite 700 Lakewood, CO 80228 720-962-6072 <br /> <br />RI,Q.l GRA,NDE RIVER <br />D.I~V'ERSlO.N" ST'RU,C:T'U.R_E I~N_VEN~T'O.RY' <br /> <br />Structure Name: San Luis Valley Canal <br /> <br />Reported By: Dave Skuodas <br /> <br />Date: <br /> <br />5/11 106 <br /> <br />Time: <br /> <br />3:45 p.m. <br /> <br />Directions: <br /> <br />From Monte Vista, head southeast on U.S. 160, turn east on East County Road <br />1 South, turn north on County Road 6 East, go approximately 1 .25 miles and <br />turn west onto a farm entrance drive near the intersection with Stanley Road, <br />follow the entrance drive along the canal down to the river. <br />Latitude Longitude Section Township <br />N37<>34'46.6" W106004'27.3" SW1/4S35 T39N <br /> <br />Range <br />R8E <br /> <br />Location: <br /> <br />Type: <br /> <br />Mechanically operated 5' wide steel slide gates (4) <br /> <br />Good D No D Reason Submerged: <br />Condition: Fair D Submerged: Yes [gI High River Flow <br />Poor [gI <br /> <br />Repair(s) Needed: Significant concrete spalling, bank erosion, see comments below. The headgate <br />needs to be completely removed and replaced, and upstream and downstream river bank protection <br />is needed. <br /> <br />Upstream Configuration: The headgate sits long a short feeder channel on the east bank of the <br />river. There is a log trash boom at the upstream end of the feeder channel along the river. <br /> <br />Comments: According to the water commissioner, the river bank upstream has been breached <br />during high river flows, sending excess river flow around the headgate and down the canal. The <br />ditch rider will close downstream slide gates during high flows when the headgate fails. When this <br />happens water will breach the headgate access road and flow south through the Department of <br />Wildlife fish hatchery and back to the river. There is significant riverbank erosion downstream <br />located at latitude N37 <>34'37.8", longitude W1 06004'19.3". <br /> <br />Estimated Range of Cost: High <br /> <br />F:\Projects\20060507\Documents\Reports\Rio Grande\lnventory Forms\San Luis Valley Canal.doc <br /> <br />OA No. 2-2006-0507 <br />