CITY COMMISSION AGENDA ITEM

Department:

Utilities

Commission Meeting Date:  December 12, 2017

Staff Contact:

Andy Ensz, Utilities Project Engineer

Recommendations/Options/Action Requested:

Authorize the City Manager to execute Change Order No. 5 with Crossland Heavy Contractors for the Clinton Water Treatment Plant Phase 1 Improvements Project UT1209 increasing the construction contract by $4,698.00 and allowing 30 days for installation of the mixers after mixer delivery.

Executive Summary:

Change Order No. 5 to the construction contract includes the following items of work that were required after substantial completion based on operational issues with the liquid lime system. Burns & McDonnell and Staff have reviewed the proposed Change Order No. 5 and recommend authorizing its execution.

Change Order No. 5

Item	Description	Cost
1	Liquid Lime Pumps The liquid lime pumps provided by Burnett have been removed and returned to Burnett. They have been replaced by a different type of pump purchased and installed by the City.	-$26,300.00
2	Secondary Effluent Mixer Installation Mixers are being added to the liquid lime feed point at the effluent box of the secondary basins to improve liquid lime mixing. The mixers will be purchased by the City.	$30,998.00
Total	Change Order No. 5 Total	$4,698.00

Contract

	Cost	Days
Original Contract	$3,879,000.00	335
Change Order No. 1	$86,205.00	0
Change Order No. 2 Change Order No. 3 Change Order No. 4 Change Order No. 5 Current Contract Total	$64,213.00 $73,610.00 -$12,595.00 $4,698.00 $4,095,131.00	14 (original) 85 (CO2 only) 36 (original) 30 (mixers only) 0

Change order cost adjustments are 5.6% of the original contract amount. The construction contract total including Change Order No. 5 is within the original project budget.

Strategic Plan Critical Success Factor

Innovative Infrastructure and Asset Management

Fiscal Impact (Amount/Source):

The funding for this project is included in the Department of Utilities Rate Plan and Utilities 2017 Amended Capital Improvement Plan for UT1209 Clinton Water Treatment Plant Improvements Phase 1.

Attachments:

None.

Reviewed By: (for CMO use only)

☐TM ☐DS ☐CT ☒BM