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: ~ III IIIIIIIIIIIIIIII • <br />Wright Water Engineers, Inc. <br />DENVER OFFICE <br />2490 West 26th Ave., Suite 100 A <br />Denver, Colorado 80211 <br />(303) 480-1700 <br />February 6, 1991 <br />Albert Frei & Sons, Inc. <br />11521 Brighton Road <br />Henderson, Colorado 80640 <br />RE: Hazeltine Pit A1, MLRD 77153 <br />Dear Sirs: <br />GLENWOOD SPRINGS OFFICE <br />818 Colorado Avenue <br />P. O. Box 219 <br />Glenwood Springs, Colorado 81602 <br />1303) 945.7755 <br />Denver Direct Line: 893-1608 <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 in order to complete the review: <br />_ Map or photo documenting claimed surface acreages. <br />~~X- Copy of aerial photos indicating pre-1981 and post-1981 gravel pit area. <br />X Evidence of lease or ownership of water rights proposed for replacement water required <br />,~ 1~ prior to final approval. <br />aD~„~,~~~11,, <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 be provided showing differently. <br />X An accounting form (monthly frequency at minimum) shall be provided showing <br />estimates of the following items: (I) pit size; (2) gross pit evaporation; (3) phreato- <br />~~`~ phyla consumptive use credit; (4) net pit evaporation; (5) water carried away with the <br />Iq mined sand and gravel; (6) diversions from the pit for dust control, land reclamation, <br />'L~ irrigation, etc.; (7) total depletion impact on the river, reservoir or replacement source <br />augmentation releases; (8) available headgate diversion; (9) available historic <br />consumptive use credits, and (10) transportation loss charges. All items in this list may <br />not be applicable to every proposal. likewise, certain proposals may require additional <br />accounting. <br />_ Is there a well within 600 feet of the permitted well location? <br />Please use 70 percent of annual precipitation as effective precipitation. <br />Note: You may claim ice cover for January and February to decrease the evaporative <br />losses, but you need documentation. <br />