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~. ~ A,N VALLEY /~UTti F °u~ ~R~TY COLORADO SPRINGS FOUNTAIN February 22, 1982 Mined Land Reclamation 423 Centennial Building 1313 Sherman Street Denver, CO 80203 Re: Broderick and Gibbons, Inc., Fountain Pit MLR File I181-307 Gentlemen: SECURITY STRATMOOR HILLS Reply To: 636-5916 Primary concern of the Fountain Valley Authority is protection of the Fountain Valley conduit which traverses the proposed Broderick and Gibbons, Inc. Fountain pit site on a 100-foot right-of-way through the west half of Section 18 and the north half of Section 19 in Township 16 south, Range 65 west of the 6th P.M., being 50 feet on each side of the following described centerline: beginning on the west line of said Section 18, a distance of 246 feet south From the northwest corner therefore; thence south 200 24' east, passing through a point on the south line of said Section 18, a distance of 1948 feet east from the southwest corner thereof; a distance of 8236 feet to a point on the south line of the north half of said Section 19, in E1 Paso County, Colorado. On site concerns include the following: 1) drainage control to prevent erosion and maintain soil stability along the top and side slopes of the berm which will remain after removal of the gravel; 2) drainage control to prevent impoundment of water along the berm which would affect the stability of the berm; 3) traffic loads along the right-of-way which would affect the pipeline; and, 4) the control of dust and sand, which could affect off-site structures of the Fountain Valley Authority. The Fountain Valley conduit passing through this pit site consists of 8500 feet of 39-inch pretensioned concrete cylinder pipe under approxi- mately 120 psi, with a minimum cover of five feet and a maximum cover of 15 feet. Appurtenant structures along the line in this area consists of three underground concrete access manholes and eight 4-inch PVC pipes extending four feet above ground for the cathodic protection system and monitoring