Title
GLWA-SCP-DB-112 Change Order No. 1
Springwells Water Treatment Plant
Emergency Grating and Structural Steel Replacement
Body
Agenda of: April 25, 2018
Item No.: 2018-689
Amount: $745,186.00
TO: The Honorable
Board of Directors
Great Lakes Water Authority
FROM: Sue F. McCormick
Chief Executive Officer
Great Lakes Water Authority
DATE: April 4, 2018
RE: Contract No. GLWA-SCP-DB-112 Change Order No. 1
Springwells Water Treatment Plant
Emergency Grating and Structural Steel Replacement
Vendor: Barton Malow
MOTION
Upon recommendation of Cheryl Porter, Chief Operating Officer - Water and Field Services, the Board of Directors (Board) of the Great Lakes Water Authority (GLWA), authorizes the Chief Executive Officer (CEO) to enter into Contract No. GLWA-SCP-DB-112 Change Order No. 1 "Emergency Grating and Structural Steel Replacement at the Springwells Water Treatment Plant" with Barton Malow Company for a time extension of 210 calendar days and additional cost of $745,186.00; and authorizes the CEO to take such other action as may be necessary to accomplish the intent of this vote.
BACKGROUND
The original scope of Contract No. GLWA-SCP-DB-112 included replacement of existing steel grating and supporting structural steel original to the 1930 plant construction that had deteriorated to the point where the safety of operators and continued water production at the Springwells Water Treatment Plant (SPW) were compromised if the grating and/or supporting structural steel experienced failure. The existing grating and supporting structural steel at five (5) locations (Locations A through E) had exceeded its useful life expectancy. These locations and associated work are described as follows:
Location A - replacement of all structural supporting structural steel beams and grating in the Low Lift Station at elevation 50'-0" and below. Additionally, the work included removal of existing tunnel dewatering pumps and removal and replacement of existing ...
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