SUBJECT/RECOMMENDATION:
Title
Approve Engineer of Record (EOR) Supplemental 3 Work Order to McKim and Creed in the amount of $126,700 for Inflow and Infiltration Flow Reduction Project (15-0004-UT) and authorize the appropriate officials to execute same. (consent)
Body
SUMMARY:
March 19, 2015, City Council approved a work order to EOR McKim & Creed to identify sources and quantity of Inflow and Infiltration (I/I) problematic sewer basins to remediate in the amount of $146,200.
August 14, 2015, City Manager approved supplemental 1 work order for the removal of temporary flow meters and the installation of open channel meters and a level sensing device at various locations increasing the work order by $14,550.
October 1, 2015, City Council approved supplemental 2 work order to relocate and add extra flow sensors, followed by site investigations to exactly locate points of I/I and generate maintenance work orders for the City to implement immediately. To summarize, the goal of this phase of the project is to “Find and Fix” significant sources of I/I in the Marshall Street Water Reclamation Facility (WRF) and East WRF basins, in the amount of $179,825.
Supplemental 3 provides for I and I flow reduction verification via flow metering and the determination of resulting savings and return on investment for the East and Marshall Street WRF basins. In addition, flow monitoring will commence on the NorthEast WRF basin in the amount of $126,700 for a new work order value of $467,275.
APPROPRIATION CODE AND AMOUNT:
0315-96665-561300-535-000-0000 $126,700
Funds are available in capital improvement project 315-96665, Sanitary Sewer R&R.