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Cherry Creek Valley CIRCE Final Report
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Cherry Creek Valley CIRCE Final Report
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Last modified
10/25/2011 10:10:04 AM
Creation date
9/30/2006 9:03:09 PM
Metadata
Fields
Template:
Water Conservation
Project Type
Ag/Muni Grant
Contract/PO #
C153621
Applicant
Cherry Creek Valley Water & Sanitation District
Project Name
CIRCE - Colorado Integrated Resource Conservation & Economic Model
Title
Colorado Integrated Resource Conservation & Economic Model
Date
3/1/1994
County
Arapahoe
Water Conservation - Doc Type
Final Report
Document Relationships
Cherry Creek Valley CIRCE Applic
(Message)
Path:
\Water Conservation\Backfile
Cherry Creek Valley CIRCE Contract
(Message)
Path:
\Water Conservation\Backfile
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<br />CIRCE Operator's Manual <br />March 1994 <br />5 <br /> <br />section III. MODULES <br /> <br />Executive Module <br /> <br />The Executive module accepts general information to identify the <br />system under study, e.g., name, date, and label for alternative <br />being analyzed. It also provides general information on the best <br />approach to using the. modules, and allows the user to define" <br />individual scenarios in separate data directories. Please see <br />Figure 1 for a diagram of how the modules interrelate. <br /> <br />Demands Module (DEMANDS) <br /> <br />The Demands Module accepts information about the existing use <br />patterns of the system, makes projections of future growth (or <br />allows .the user to input. growth projection manually) and <br />generates monthly demand projections for a 25 year study period. <br />Water use is disaggregated into five sectors: single family, <br />mUlti-family, commercial, industrial and public. Separate <br />projections are made for each sector. The built-in projections <br />are based on extrapolations of historical patterns between the <br />baseline period and build out of the system. The projections <br />approach build out levels in linear, decreasing rate or lis-curve" <br />patterns. The user may enter their own projections for any or <br />all sectors manually, as well, e.g. if the user has more <br />sophisticated projections based on an econometric model such as <br />IWR-Main, these data can be input manually. <br /> <br />Baseline water use projections for each sector are made by <br />applying historical unit demands to future customers. All <br />demands are based on equivalent residential taps (EQR' s ) . The <br />user may then modify the baseline demands by choosing from a <br />selection of indoor and outdoor conservation measures. <br /> <br />The individual measures, when grouped into a logical plan, <br />comprise a water conservation program. Annual costs for the <br />programs are tabulated by the Model both for administrative and <br />program costs such as retrofit purchases, etc. After a <br />conservation program is defined, the monthly demands are updated <br />to create a modified demand pattern. The user may create and <br />save up to three conservation programs. <br /> <br />The Demands module passes information on annual water demands and <br />on-line EQRs to the Water System module and the Financial module. <br />The user is provided with graphs of projected EQRs and water <br />demands, and breakdowns of the use pattern by sector and use. <br />
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