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CITY COUNCIL AGENDA ITEM NO. 7

Meeting Date: February 22, 2005

Subject/Title: Adopt a Resolution authorizing the City Manager to execute a Contract Change Order to Luhdorff and Scalmanini Consulting Engineers, Inc. for Well #15, CIP Project No. 562-5631.

Prepared by: Engineering: P. Eldredge

Submitted by: Engineering: B. Grewal

RECOMMENDATION
Adopt a Resolution authorizing the City Manager to execute contract change orders in the amount of $151,865.67 plus a 10% contingency for a total change order amount of $167,052.24, with Luhdorff and Scalmanini Consulting Engineers, Inc. for Well #15, CIP Project No. 562-5631.

PREVIOUS ACTION
On May 27, 2003, by Resolution No. 2868, City Council adopted the City’s 2003/04 – 2007/08 Capital Improvement Program that included Well #15, CIP Project No. 562-5631.

On October 14, 2003, by Resolution No. 3002, City Council authorized the City Manager to execute a Professional Services Agreement with Luhdorff and Scalmanini Consulting Engineers, Inc., for exploratory test hole drilling, well monitoring, site evaluation and pre-design report for Well #15, CIP Project No. 562-5631, amend the CIP Project Budget and authorize the City Manager to approve change orders up to 10% of the contract amount.

On May 25, 2004, by Resolution No. 2004-113, City Council approved the 2004/05 - 2008/09 Capital Improvement Program (CIP) for the City of Brentwood, which included Well #15, CIP Project No. 562-5631.

BACKGROUND
The City currently utilizes seven (7) potable water wells as a cost effective means of supplying a portion of the City’s potable water. In addition to that, the City has acquired a surface water supply that currently supplements the groundwater supply and eventually will become the primary source of potable water. However, the City has always intended upon utilizing the wells for short term and long term demands. This project is necessary to accommodate these short term needs while the City continues the development of the surface water supply and to minimize operational costs and thus minimize the rates to the customers.

Luhdorff and Scalmanini Consulting Engineers (LSCE) has provided technical, hydrogeological and permitting assistance to the City on virtually all of the existing facilities, including the exploration and design of Well #14. The original scope of services included in the current agreement consist of coordinating with the City on four (4) test hole locations, exploratory drilling, water quality sampling, testing and hydrogeological monitoring.

Of the four (4) test holes drilled and tested, the site located in the Sunset Industrial Complex had the most favorable characteristics from a water quantity and quality standpoint. As a standard practice, a test hole that has initial favorable characteristics is converted into a monitoring well to ensure the water quality results do not seasonably fluctuate. If these results confirm the previous, then the monitoring well is converted to a production hole with a concrete sanitary seal, well casing, screening and pump pedestal. This additional testing was performed at this site and confirmed the previous results.

The additional services anticipated from LSCE are to assist staff in the completion of the primary improvements that would render the well operable for this year’s peak demand period (generally late summer). Primary improvements include the pump and pedestal, yard piping, discharge to waste line, disinfection, basic electrical and control systems. Some of these improvements have already been completed with staff anticipating the remaining improvements to be completed and operational by late spring of 2005. This water supply will be critical to ensure adequate supplies are available as the Surface Water Treatment Facility – Phase I is under construction (anticipated completion is early 2006).

FISCAL IMPACT
The total amount requested has been included in the approved 2004/05 – 2008/09 Capital Improvement Program Budget with a total project budget of $1,327,000, of which $690,000 has been allocated for site improvements.

The original contract with LSCE was for $193,257 (plus 10%) of which $152,720 was attributable to the drilling of the test holes and related services. This amendment will facilitate the above mentioned remaining improvements to this facility in the most time effective manner prior to the summer peak period.

Attachment:
Resolution
Site Map

RESOLUTION NO.

A RESOLUTION OF THE CITY COUNCIL OF THE CITY OF BRENTWOOD TO AUTHORIZE THE CITY MANAGER TO EXECUTE CONTRACT CHANGE ORDERS TO LUHDORFF AND SCALMANINI CONSULTING ENGINEERS, INC. FOR WELL #15, CIP PROJECT NO. 562-5631.

WHEREAS, on May 27, 2003, by Resolution No. 2868, City Council adopted the City’s 2003/04 – 2007/08 Capital Improvement Program that included Well #15, CIP Project No. 562-5631; and

WHEREAS, on October 14, 2003, by Resolution No. 3002, City Council authorized the City Manager to execute a Professional Services Agreement with Luhdorff and Scalmanini Consulting Engineers, Inc. (LSCE), for exploratory test hole drilling, well monitoring, site evaluation and pre-design report for Well #15, CIP Project No. 562-5631, amend the CIP Project Budget and authorize the City Manager to approve change orders up to 10% of the contract amount; and

WHEREAS, on May 25, 2004, by Resolution No. 2004-113, City Council approved the 2004/05 - 2008/09 Capital Improvement Program (CIP) for the City of Brentwood, which included Well #15, CIP Project No. 562-5631; and

WHEREAS, the City has always intended upon utilizing wells for short term and long term demands and this project is necessary to accommodate these short term needs while the City continues the development of the surface water supply and to minimize operational costs which will minimize the rates to the customers; and

WHEREAS, additional services anticipated from LSCE are to assist staff in the completion of the primary improvements that would render the well operable for this year’s peak demand period; and

WHEREAS, the water supply from Well #15 will be critical to ensure adequate supplies are available as the Surface Water Treatment Facility – Phase I is under construction (anticipated completion is early 2006).

NOW, THEREFORE, BE IT RESOLVED by the City Council of the City of Brentwood, that the City Manager is authorized to execute contract change orders to Luhdorff and Scalmanini Consulting Engineers, Inc. for Well #15, CIP Project No. 562-5631.

PASSED, APPROVED AND ADOPTED by the City Council of the City of Brentwood at a regular meeting held on the 22nd day of February 2005 by the following vote: 

 

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