Title
Proposed Change Order 1
GLWA-CON-234
Conner Creek CSO Basin Emergency Rehabilitation
CIP# 260603 / BCE Score: N/A
Body
Agenda of: March 27, 2019
Item No.: 2019-097
Amount: Original Contract $ 5,058,000.00
Proposed Change Order 1 938,662.00
Total Revised Contract $ 5,996,662.00
TO: The Honorable
Board of Directors
Great Lakes Water Authority
FROM: Sue F. McCormick
Chief Executive Officer
Great Lakes Water Authority
DATE: March 27, 2019
RE: Proposed Change Order No. 1
Contract No.: GLWA-CON-234
Conner Creek CSO Basin Emergency Rehabilitation
Vendor: Weiss Construction Co., LLC
MOTION
Upon recommendation of Navid Mehram, Chief Operating Officer - Wastewater, the Board of Directors (Board) of the Great Lakes Water Authority (GLWA), authorizes the Chief Executive Officer (CEO) to enter into Contract No. GLWA-CON-234 Change Order 1, "Conner Creek CSO Basin Emergency Rehabilitation" with Weiss Construction Co., LLC, at an increased amount of $938,662.00 for a total cost not to exceed $5,996,662.00 for an increased duration of 9 months for a total contract length of 27 months; and authorizes the CEO to take such other action as may be necessary to accomplish the intent of this vote.
BACKGROUND
The Conner Creek Combined Sewer Overflow (CSO) Retention Treatment Basin (RTB) is the largest of the nine GLWA CSO facilities. It is located on the east side of the City of Detroit along the Detroit River and is immediately downstream of the Conner Creek Sewage Pump Station and Freud Sewage Pump Station along with the Conner gravity sewer. This CSO facility was put into service in 2005. This 30 million gallon Retention Treatment Basin (RTB) includes 4 compartments, each compartment includes four (4) Effluent Launder Gates (ELGs) and four (4) Effluent Relief Gates (ERGs) for a total of 32 discharge gates - 16 ELGs and 16 ERGs. During intense rain events, the reliable operation of all the discharge gates are required to operate the RTB as des...
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