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1) / jrA;~ ~ . Study Plan - Greeley and Loveland Irrigation System Rehabilitation Feasihility Study Page 1 INTRODUCTION This study plan for the Greeley and Loveland Irrigation System Rehabilitation Feasibility Study was prepared to adhere to the Colorado Water Conservation Board (CWCB) format as presented in Guidelines for Financial Assistance through the Colorado Water Conservation Board Construction Fund, The study plan was developed to systematically evaluate project requirements and tailor the end product to meet these requirements, The process is built on identifying needs, then collecting information and developing solutions in a series of well. defined steps, The process will utilize valued feedback from the Greeley and Loveland Irrigation Company (Company), ERO(environmental subconsultant) and the CWCB to evaluate progress and reassess results, The schedule is based on the assumption that the contract award will take place on or before Februmy 1, 1997 and the completion date of July I, 1997. uP' tW. ~ /IIJ ~ dU/' ",:;;VC4ot~ / .:-/~ ~ftI'i-e.- STUDY OBJECTIVE / - / P' Several projects have been identified by the Company which need to be addressed due to dam safety issues and the performance of the irrigation system, These projects include the following: UVlcf/ ~. ~~, ;IF / pilI J; I- t~vl 1. Equalizer Dam and Outlet Works Rehabilitation 2, Westerdal Dam and Spillway Rehabilitation 3, Horseshoe Dam Spillway Rehabilitation 4, Boyd Lake Dam Spillway Rehabilitation 5, Seven-Lakes Reservoir Outlet Rehabilitation 6, Houts Reservoir Regulating System Rehabilitation 7. Lake Loveland North Outlet Rehabilitation 8, Greeley and Loveland Irrigation Canal Rehabilitation 9, Big Barnes Ditch Rehabilitation I i i t I ! I f The State Engineer's Office (SEa) has identified problems with the above dams and is requiring the Company to address them in the next few years, The storage facilities within the system are a major component of the ability to deliver irrigation waters to the surrounding areas, The Company needs to maintain these facilities to State dam safety standards to continue delivering irrigation waters, The canal system links the storage facilities together so that the Company can regulate the irrigation waters in a timely manner, These canal systems are an integral part of the system and have to be maintained so they can deliver their design flow capacity in a safe manner, l r i The feasibility study will develop an understanding of the performance of the system and identifY other problems which could hinder future operations, The final alternative will address structural and nonstructural solutions and also operational issues, The outcome of the feasibility study will be a construction staging plan for the next five to ten years which addresses the problems identified in the study, An hydraulic system model will be a product of the study which the Company can monitor their system in the future, DETAILED WORK TASKS The following study plan is based on eight major activities, Each will result in the preparation of one or more deliverables which will be submitted for review and approval in accordance with the attached schedule, The task descriptions are arranged in the order of their performance with the exception of Task 8 Coordination Meetings, It is anticipated that project meetings will be held once a month. \ \ I f ! i I'