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CITY COUNCIL AGENDA ITEM NO. 12

Meeting Date: July 27, 2004

Subject/Title: Amend the CIP Budget to Include Funding of the CIP Project for Irrigation Computerized Control System

Prepared by: Ken De Silva, Park Services Manager

Submitted by: Craig D. Bronzan, Director of Parks and Recreation

RECOMMENDATION
Provide funding from the Water Enterprise in the amount of $165,440 for the first phase of this CIP project, which is currently unfunded.

PREVIOUS ACTION
Approval of 2004/05 – 2008/09 CIP Program on May 25, 2004.

BACKGROUND
This project is identified in the City’s Capital Improvement Program due to our desire to conserve water in the City, to reduce operating costs of our parks and landscaped facilities, and to provide a better environment for proper plant health. The proposed irrigation controllers are capable of adjusting sprinkler timing on a daily basis based on weather data captured from the Department of Water Resources weather station located in our City. Currently most of our irrigation controllers are adjusted, on average, monthly. These daily adjustments not only conserve water but also make our parks more usable to the public.

Currently, when it is necessary to reduce, or turn off, our controllers it requires four maintenance workers about 8 hours to perform the task. The same amount of labor is needed to then readjust all of the controllers. With this computerized control system, these changes are accomplished in a matter of minutes through the use of a computer. The computer also monitors any faults that occur with the irrigation clock. If a high water flow situation occurs (such as a broken sprinkler) the station is automatically shut down and an error message is sent to the computer identifying this problem. A report is generated of all of these faults and personnel are then sent out to repair the problem before any permanent damage occurs.

The Parks and Recreation Department, several years ago, selected two manufacturers (to maintain a level of competition) as our standard for central irrigation systems and we have been specifying these units for the last three years on all landscape projects. Currently the City of Brentwood has over 60 controllers on computerized control. This CIP project will ultimately convert all older irrigation controllers (that are over 12 stations) to be able to communicate to our existing computers. Existing landscaped facilities that have under 12 stations will be retrofitted with a stand alone irrigation controller capable of adjusting water use independently or through a one-way communication device.

This first phase will retrofit all of our older parks that are not currently on the system, so that all parks (our highest water use facilities) will be on our Irrigation Computerized Control system. This phase will also start the retrofit process on several of our larger streetscapes.
FISCAL IMPACT
Total cost of this program will be $585,000 as identified in the CIP sheet. This first phase, as identified in this report, will cost $165,440. Funding will be from the Water Enterprise.

The City will experience a minimum water savings of 20% on sites that are retrofitted. Ultimately annual savings will exceed $100,000 per year. This first phase shall realize a savings of $40,000 per year which means a return on investment, from this first phase, of 25% and an overall return on investment for the entire project of 18%.

ATTACHMENTS
CIP Budget Sheet and Map
Resolution

RESOLUTION NO.

A RESOLUTION OF THE CITY COUNCIL OF THE CITY OF BRENTWOOD AMENDING THE CIP BUDGET TO INCLUDE FUNDING OF THE CIP PROJECT FOR THE IRRIGATION COMPUTERIZED CONTROL SYSTEM.

WHEREAS, the City Council encourages water conservation efforts within the City of Brentwood; and

WHEREAS, the savings associated with this project will reduce annual operating costs of associated landscaped facilities; and

WHEREAS, this project shall commence immediately as to be effective this season.

NOW, THEREFORE, BE IT RESOLVED by the City Council of the City of Brentwood, amend the CIP budget to include funding of the CIP project for the Irrigation Computerized Control System.

PASSED, APPROVED AND ADOPTED by the City Council of the City of Brentwood at a regular meeting on the 27th day of July 2004 by the following vote:
 

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