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WSPC00271
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Last modified
1/26/2010 10:48:45 AM
Creation date
10/9/2006 2:03:14 AM
Metadata
Fields
Template:
Water Supply Protection
File Number
8283.200
Description
Colorado River Basin-Colorado River Computer Models-Colorado River Decision Support System
State
CO
Basin
Colorado Mainstem
Water Division
5
Date
1/31/1997
Title
Boyle IIIa WRP Enhancement-Amendment 1-Phase IIIa Scope of Services-Exhibits A-D-Tasks 1-11.02
Water Supply Pro - Doc Type
Operating Principles/Plan
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<br />. <br /> <br />will provide written comments on the draft memo before finalization. <br /> <br />Deliverables: <br />I. StateMod input files (* .dds and * .ddr) that reflect the aggregation of ditch capacities, acreage's and <br />administration numbers, <br />2. Memo on determination of aggregated parameters for the aggregated structures. <br /> <br />Task 2.08 <br /> <br />Assign Aggregated Irrigation Efficiencies <br /> <br />Objective: Assign and incorporate average monthly efficiency values for each aggregated irrigation <br />structure into the StateMod .dds input file. <br /> <br />Prerequisite: Demandts will be modified to calculate average efficiency for diversion structures <br />specified by the user. <br /> <br />Assumption: Generally, the acreage-weighted average of irrigation efficiencies for explicitly <br />modeled structures represents irrigation efficiency adequately for aggregated structures. <br /> <br />. <br /> <br />Approach: <br />I. RTIWR: Run demandts using the Phase II THE StateMod input files to generate a basin wide <br />efficiency report, <br />2. STATE: Document the determination of monthly efficiency values in a 1-2 page memorandum. <br />RTi will provide written comments on this memo before the State finalizes the memo. <br /> <br />Deliverables: <br />I. Basin wide efficiency numbers, <br />2. A memorandum documenting the monthly efficiency associated with each of the aggregated <br />irrigation structures, <br /> <br />Task 2.09 <br /> <br />Estimate aggregated irrigation structure demands and historic diversions <br /> <br />Objective: Prepare StateMod ,ddh and .ddm input files. The ,ddh file will contain historical diversions <br />for Phase II structures and calculated demands for aggregated structures. Also create the white.dds file <br />using the basin wide efficiency from Phase II. The .ddm file will contain calculated demands for all <br />irrigation structures. <br /> <br />Prerequisite: Demandts will be modified to sum the irrigation time series for individual structures <br />represented in aggregated fashion. <br /> <br />.; <br /> <br />Assumption: Historical diversion records for small irrigation structures are generally incomplete or <br />inadequate for modeling demand, For the aggregated structures, demand at the head gate will be <br />calculated by estimating consumptive use for all associated irrigated acreage, and dividing by estimated <br />efficiency, <br /> <br />1172. <br /> <br />Phase ilia Scope of Services <br /> <br />A.12 <br /> <br />Jan 31,1997 <br />
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