Memorandum Director's Report Attachment 03/07/2000

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Projects Under Construction • Sterling Irrigation Company—Diversion Structure Rehabilitation Authorization: SB 99-173 County: Logan—SW of Sterling Water Source: South Platte River Project Yield: 23,563 acre feet Terms of Loan: $318,583 @ 3.75%for 30 yrs. Project Type: Diversion Structure Rehab. This $354,000 project is the rehabilitation of the Sterling Ditch #1 diversion and headgate structure on the South Platte River southwest of the City of Sterling. The existing 200-ft. by 4-ft. high concrete diversion wall will be replaced with 100-ft. by 4.5-ft. Obermeyer pneumatic spillway gate. The new intake structure will consist of 2 - 10-ft. by 5-ft. high radial gates. The Company has contracted with Jack Odor, P.E. of GASP to prepare the design and construction contract documents. The construction contract was awarded to Ransom Boone, of Sterling, CO. Construction commenced in December of 1999 and is approximately 95% complete. The project is anticipated to be substantially complete April 1,2000. Leroux Creek Water Users Association—Carl Smith Dam Rehabilitation Authorization: Emergency Infrastructure Account County: Delta—N of Hotchkiss Water Source: Leroux Creek Project Yield: 750 ac.ft. Terms of Loan: $1,450,000 @ 3.75%for 30 years Project Type: Dam Rehabilitation This $1,600,000 project is the reconstruction of the Carl Smith Dam, located 15 miles north • of Hotchkiss in Delta County, which failed unexpectedly in May 1998. The Leroux Creek Water Users Association contracted Smith Geotechnical Engineering Consultants of Forth Collins to analyze design alternatives and complete construction plans and specifications. The selected alternative involves the reconstruction of the dam failure area, widening the crest width from 12-ft. to 16-ft., additional embankment along the downstream face of the dam,rip rap protection along the upstream face of the dam, reconstruction of the spillway to pass the Probable Maximum Flood, a toe drain and drainage blanket, and the construction of a new outlet system. Construction commenced by Zak Dirt of Longmont in September of 1999 and is currently 95% complete. The remaining punch list items are on-hold over the course of the winter and will be completed,weather permitting, in April 2000. Wood Lake Mutual Water&Irrigation Company—Wood Lake Dam Rehabilitation Authorization: SB 97-008 County: Weld—W of Eaton Water Source: Cache la Poudre River Project Yield: 3,106 ac.ft. Terms of Loan: $458,000 @ 3.75%for 30 years Project Type: Dam Rehabilitation This $550,000 project is the replacement of the Wood Lake Dam outlet works including all control structures, installation of a toe drain, raising the existing saddle dam, and construction of a spillway to pass the 50% Probable Maximum Precipitation flood. The need for the improvements is a result of the State Engineer's Office dam safety requirements. Smith Geotechnical, Inc. of Fort Collins was retained by Woods Lake Mutual Water& Irrigation Company in 1998 to complete the • construction design plans and specifications. Barker Construction Company of Fort Collins commenced construction in September of 1999 and is currently 90% complete. The Contractor has demobilized for the winter and is scheduled to return in the April 2000 to complete the saddle dam, seeding, and fencing.