C153857 Feasibility Study

• Contract/PO #: C153857
• Contractor Name: Western Mutual Ditch Company
• Contract Type: Loan
• Water District: 2
• County: Weld
• Bill Number: SPL
• Loan Projects - Doc Type: Feasibility Study

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We$t~m Mutual Diversion Repairs and Improvements
CWCB Feasibility Study
May 6, 1998 (Revised December 29, 1998)

Table 4,

Summary of Estimated Total Project Costs
Western Mutual Ditch - Diversion Repairs and Improvements

Item Estimated Cost
1. Subtotal feasibility and Design Costs $ 15,000
($20,000 less $5,000 grant)
2, Construction of Check Replacement $ 97,300
3, Construction of Island Revetment $ 33,700
4. Subtotal - Construction (Lines 2 and 3) $ 131,000
5. Construction Engineering (3.75% of Line 4) $ 4,900
6. Contingencies (10% of line 4) $ 13,100
7. Subtotal - Design and Construction Costs (Lines 4, 5 and 6) $ 149,000
8. Grand Total - feasibility, Design, and Construction $ 164,000
(Line 1 and Line 7)

Schedule

The Ditch Company would like to begin construction of the check replacement and island
revetment as early in January as possible. The work is estimated to require about 60 to 75 days and
should be complete by March 31, 1999,

Social, Economic, and Physical Impacts

Replacement of the check structure will have no significant social impacts, The project will have a
positive economic impact providing irrigation water for 7,280 acres of shareholders' crops valued at
$7,010,980 per year (1998 prices) compared to the construction cost of $149,000.

The replacement of the check structure will have no significant physical impacts once construction
is complete, The new structure is a replacement for, and will be located near, the previous
structure, The riprap stilling basin located downstream of the check will be the biggest physical
impact as there did not appear to be such protection below the previous check,

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