NID mulls plan for future water needs
The Nevada Irrigation District may soon order a new master plan to determine future water needs and where it will go.
Wednesday, the NID engineering committee recommended hiring Kleinschmidt Energy and Water Resource Consultants to do the plan for almost $500,000, the district’s first in 20 years. The recommendation was slated to go before the full NID board of directors March 12.
According to NID Chief Engineer Tim McCall, Klenischmidt’s suggested budget of $490,000 for the plan was more than the only other proposal made by Black and Veatch of Sacramento. Black and Veatch’s proposal suggested a $458,000 budget, “but we centered on Kleinschmidt because they responded better to water supply and water demand issues,” McCall said.
NID is under no law to come with the water master plan, McCall said. “We’re on our own.”
Also Wednesday, the engineering committee recommended the full board OK an approximate $80,000 to repair 520 feet of the Combie Canal in the southern part of Nevada County.
The canal failed last July when an 8-foot gash opened in the concrete, spilling up to 22,000 gallons of water a minute into the Bear River near the Placer County line, turning the clear mountain stream a dingy brown.
At that time, NID Operations Manager Terry Mayfield said there was no suspicion of vandalism, “It basically just failed.” That interrupted irrigation service to 850 customers and NID later learned it might take $20 million to replace the entire canal.
It was repaired last summer but Wednesday, Assistant Engineer Bill Schell recommended to the engineering committee that the 520 feet of the canal “needs immediate response,” with a waterproof membrane. Schell said he would like to do the project in late March or early April, “to stop leakage and stabilize the soil underneath it.”
Schell said NID will have to shut the canal down for four days to allow it to dry and crews to spread the membrane.
In a note to the board a project review committee said the membrane was needed as a temporary solution because “this section of the canal is prone to leakage and sudden failure as demonstrated in July of 2002.”
The review panel said the membrane costs $5.20 per square feet to apply and that whomever spreads it could do an additional 12,000 square feet if weather and time permits. That would increase the project to roughly $142,000.
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