CITY COUNCIL AGENDA ITEM
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
Provide funding from the Water Enterprise in the amount of $165,440 for the
first phase of this CIP project, which is currently unfunded.
Approval of 2004/05 – 2008/09 CIP Program on May 25, 2004.
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.
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%.
CIP Budget Sheet and Map
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
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
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: