Memorandum

City of Lawrence

Utilities Department

TO:	David L. Corliss – City Manager Cynthia Wagner - Assistant City Manager Diane Stoddard - Assistant City Manager
FROM:	John Shutak – Utilities Engineer
CC:	Dave Wagner – Director of Utilities Mike Lawless – Assistant Director of Utilities Philip Ciesielski – Assistant Director of Utilities Beth Frailey Krishtalka – Assistant to Director
Date:	December 21, 2011
RE:	January 03, 2012 Agenda Item – Project UT0810DS Watermain Rehab Phase II Approval of Final Change Order.

Please include the following item on the City Commission Agenda for consideration at the January 03, 2012 meeting:

Approval of the final change order to the construction contract with RD Johnson Excavating for Project UT0810DS Phase II of Watermain Replacement Program; increasing the contract amount by $35,312.48.

Project Description

Replacement of the existing watermains along 9^th Street from Vermont Street to Tennessee Street, Tennessee Street from 9^th Street to 10^th Street, Kentucky Street from 12^th Street to 19^th Street, 18^th Street from Tennessee to Kentucky Street, and 13^th Street from Vermont to Tennessee Street as shown on the attached exhibit.

Project Status/ Details

On June 14, 2011 bids were received from the following (3) bidders. The bids were opened and the bids listed below publicly read aloud.

Bidder	Base Bid	Alternate #1	Alternate #2	Alternate #3	Total
Engineer’s Estimate	$1,304,580.00	$31,030.00	$133,890.00	$184,945.00	$1,654,445.00
RD Johnson	$1,100,796.00	$37,618.00	$124,653.00	$160,266.00	$1,423,333.00
Nowak Construction	$1,290,261.75	$35,774.00	$110,641.00	$222,901.00	$1,659,577.75
Emery Sapp & Sons	$1,350,919.25	$31,831.00	$146,296.00	$182,151.00	$1,711,197.25

On June 21, 2011 the project was awarded to the low bidder RD Johnson Excavating.

Construction of the project has been completed with minor punchlist items of work remaining to be completed prior to final acceptance of the project.

During the course of construction, additional items of work were required, based on actual existing conditions, to complete the installation including the following:

• Repair of a 3” waterline service at 9^th and Tennessee Street.
• Installation of an additional fire hydrant at 9^th and Kentucky Streets.
• Additional work to disconnect the existing ductile iron and cast iron watermains from the existing concrete transmission mains at 9^th and Kentucky and 10^th and Tennessee Streets.
• A total of four disconnects at the intersection of 13^th and Kentucky Streets to stop leaks on the existing watermains that prevented construction work from moving forward into the 1200 block of Kentucky Street.
• Additional work to provide service connections to 305 and 310 14^th Street.
• The repair of service to St. John’s School.
• The repair of the service connection to 1837 Kentucky Street

These changes comprise $26,538.48 of the total change order, final quantity adjustments to the bid items, based on contract bid unit costs, account for a total of $8,774.00.

Construction Contract Costs:

Original Contract       $1,423,333.00

Change Order No. 1  $    35,312.48

Contract total           $1,458,645.48

To date, change order adjustments represent 2.5% of the original contract amount. Pending authorization of the change order and adjustment of the final contract amount, RD Johnson Excavating will submit a final application for payment.

Project Funding

The project is funded from a combination of 2009 and reallocated 2007 Bond Funds. The 2009 Bond proceed balance is remaining from the Build America Bonds. Per the terms of the Bond these funds must be expended prior to August of 2012 to maintain their non-taxable status and will be expended prior to the utilization of the remaining 2007 Bond proceeds.

Action Request: Approval of final change order to the construction contract with RD Johnson Excavating for Project UT0810DS Phase II of Watermain Replacement Program; increasing the contract amount by $35,312.48.

Thank you for your assistance. Please advise if you have any questions.