Label
DPW031726CROSSTOWNMAINROUTESTUDY
Engineering and Construction Management
Jeremy Mikolajczyk (x1537)
Revised
Title
Authorizing the appropriation and expenditure of an amount not to exceed $1,000,000 from the unappropriated balance of the Water Replacement Fund for the Crosstown Water Main Route Study; authorizing the Mayor to accept bids and to execute the necessary contract(s) for preparing a route study including inspection, survey, engineering and other related work, tasks, equipment, and materials needed for the successful completion of the Crosstown Water Main Route Study, and declaring an emergency.
Body
SUMMARY & BACKGROUND:
The 1940 Crosstown Water Main was constructed as part of the Lake Erie Water Project (LEWP). Of the roughly seven miles of 42- through 72-inch diameter steel water transmission mains installed, approximately three miles of 72-inch water mains were replaced in the early 2000's, due to significant corrosion and leaks. A 0.5-mile section of 72-inch steel water main in rock tunnel under the Maumee River remains in service, as well as 3.5 miles of 42- and 60-inch steel water transmission mains.
A condition assessment study performed in 2019 on the 42- and 60-inch transmission mains indicated that while no significant defects or performance issues were identified, the mains are subject to corrosive surrounding soils. Since the time of the study, the 60-inch main has experienced several critical events leading to concern regarding the long-term integrity of the pipe. The most recent event caused significant disruption to the area, including street flooding. Water service to all customers was able to be maintained during this event.
This Ordinance funds the first step towards replacing these important mains: a route study. The route study will determine the feasibility and economy of potential routes for the new water mains, recommend a preferred route, provide site survey of the recommended route, recommend sizing and material o...
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