Title
Proposed Change Order No. 1
Contract No. 2004082
Rehabilitation of Woodward Sewer System
CIP #260207 / BCE: 76.80
Body
Agenda of: February 22, 2023
Item No.: 2023-036
Amount: Original Contract $18,696,250.00
Proposed Change Order No. 1 0.00
Total Revised Contract $18,696,250.00
TO: The Honorable
Board of Directors
Great Lakes Water Authority
FROM: Suzanne R. Coffey, P.E.
Chief Executive Officer
Great Lakes Water Authority
DATE: January 27, 2023
RE: Proposed Change Order No. 1
Contract No. 2004082
Rehabilitation of Woodward Sewer System
Vendor: Lanzo Construction Co.
MOTION
Upon recommendation of Navid Mehram, Chief Operating Officer - Wastewater Operating Services, the Board of Directors (Board) of the Great Lakes Water Authority (GLWA), authorizes the Chief Executive Officer (CEO) to enter into Contract No. 2004082, Proposed Change Order No. 1, "Rehabilitation of Woodward Sewer System" with Lanzo Construction Co., with no increase in cost at a cost not to exceed $18,696,250.00 and an increased duration of 270 days for a total contract duration of 816 days; and authorizes the CEO to take such other action as may be necessary to accomplish the intent of this vote.
BACKGROUND
GLWA's Sewer Conveyance System has approximately 130 miles of trunk sewers and 51 miles of interceptors. The Woodward Sewer System (WWSS) is a major combined sewer system aligned with Woodward Avenue starting at McNichols Road and conveys sewage through the cities of Highland Park and Detroit to the Detroit River Interceptor (DRI). In addition, one leg of the WWSS extends sewer service to the east along Chandler and Clay Streets and turns north into the city of Hamtramck. This leg of the sewer, referred to as the WS-300 segment, consists of circular and egg-shaped brick sewers that will be rehabilitated by sliplining. Sliplining is the process of inserting a slightly smaller, corrosion resistant pipe inside the deteriorated brick sewer and gro...
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