CITY COUNCIL AGENDA ITEM
ACTION REQUESTED:
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Approve the award of Bid 22-008, 2022 Small Diameter Sanitary Sewer Main Lining CIPP Rehabilitation, to Visu-sewer Clean & Seal, Inc. for an amount not to exceed $539,298.30 and a 3% contingency
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DEPARTMENT: Water Utilities
SUBMITTED BY: Darrell Blenniss, Director
BOARD/COMMISSION REVIEW:
N/A
BACKGROUND:
The Water Utilities' 2022 Capital Improvement Plan (CIP) includes rehabilitation of approximately 50 manholes, 17,405 linear feet of sanitary main/trunk sewers, and 150 sewer service laterals. The primary focus of these projects is to reduce leakage of groundwater and surface water into the system. The sanitary sewer main lining program is part of the Water Utilities' Illinois Environmental Protection Agency (IEPA) required capacity, management, operation, and maintenance (CMOM) plan and IEPA required ten-year infiltration and inflow reduction program under Naperville's National Pollutant Discharge Elimination System permit IL0034061.
Sanitary sewer lining is a major component of the city's strategy to reduce system leaks associated with stormwater infiltration through pipe cracks and fissures, which reduces sanitary system capacity during wet weather events. Lining the sewer provides seamless, leak-free pipes and maintains structural integrity for approximately 50 years. Reducing leaks and preserving system capacity also help reduce the number and severity of sanitary sewer backups.
DISCUSSION:
In January 2022, the Water Utilities issued Bid 22-008, 2022 Small Diameter Sanitary Sewer Main Lining CIPP Rehabilitation. This bid will rehabilitate 14,405 linear feet of eight-inch and ten-inch diameter sanitary sewer pipeline located in the Brookdale and Eagle Chase subdivisions. The contractor will use no-dig lining technology to reduce cost and disruption to the community.
To secure the lowest possible pricing, the bid specified two competing lining technologies: glass-reinforced plastic (GRP) and cured-i...
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