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.~ • - <br />W~ ater Engineers, Inc. <br /> <br />DENVER OFFICE <br />3190 West 36th Ave., Suite 100 A <br />Denver, Colondo 80217 <br />(303) 180.1700 <br />March 18, 1991 <br />GLENWOOD SPRINGS OFFICE <br />838 Colorado Avenue <br />P. O. ao: 219 <br />Glenwood Springs, Colorado 81603 <br />(303) 415-7755 <br />Denver Direct Line: 893-1608 <br />C.H. and Richal•d Coulson <br />(dba Coulson Excavating) <br />3609 North County Road 13 <br />Loveland, Colorado 80537 <br />Re: Kirtwrighl Pil, MLRD 86123 <br />Dear Sirs: <br />Wright Water Engineers is reviewing Senate Bill 120 submittals for the State Engineer's Office. <br />We will need the following information as indicated below ilt order to complete the review: <br />Nlap or photo documenting claimed surface acreages. <br />_ Copy of aerial photos indicating pre-1981 and post-19R1 gravel pit area. <br />X Evidence of lease or owne~sMP1p of water tights proposed for replacement water required <br />prior to final approval. <br />Based on SEO previous experience, 4 percent of product removed by weight is water. <br />Please use 4 percent in the accounting of replacement water requirements unless <br />documentation can he provided showing differently. <br />X An accounting form (monthly frequency at minimum) shall be provided showing <br />estimates of the following items: ©pit size; ®gross pit evaporation; (3) phreato- <br />pllyte consumptive use credit; ®net pit evaporation; ®water carried away with the <br />mined sand artcl ravel; QQ diversions from the pit for dust control, land reclamation, <br />irrigation, etc.; ~ total depletion impact on the liver, reservoir or replacement source <br />augmentation releases; ® available headgate diversion; ® available historic <br />consumptive use credits, and (10) Transportation loss charges. All items in this list may <br />not he applicahfe to every proposal. Likewise, certain proposals may require additional <br />accounting. <br />_ Is there a well within 600 feet of the pemrittecl well location'? <br />X Please use 70 percent of annual precipitation as effective precipitation in calculation of <br />net monthly pond evaporation. <br />Note: You may claim ice cover for January and Fehruary to decrease the evaporative <br />losses, but you need ducumentalion for additional months. <br />X Please provide documentation fur historic consumptive use credits. <br />