To:
From:
Re:
E. Motion:
Discussion:
City of Nashua, Public Works Division
Board of Public Works Meeting Date: July 22, 2021
David L. Boucher, Superintendent
Wastewater Department
Energy Recovery Upgrade — Methuen Construction Change Order #8
To approve Change Order #8 to the Energy Recovery Upgrade contract with Methuen
Construction Company of Plaistow, NH in an amount not to exceed $230,000 for final
completion of remaining work for upgrades to the Energy Recovery Facility. Funding
will be through: Department: 169- Wastewater; Fund: Wastewater; Activity: Energy
Recovery Upgrade Project.
The energy recovery upgrade project involves upgrading all the major components in the
energy recovery room with new generators, piping, heat exchangers, pumps, controls and
associated electrical components. The contract with Methuen Construction was originally
in the amount of $1,787,378. Change order | thru 7 were for various changes that
occurred during construction typically due to unknown conditions. The total of CO’s 1-7
comes to $144,792.27 bringing the total contract value to $1,932,170.27.
Change order 8 consists of 2 main items. First is to reach final agreement on claimed
delays encountered earlier in the project, one for relocating buried electric conduits in the
concrete floor and the second for delays in determining how to provide pipe supports in
the concrete slab ceiling. The second main item is for costs to complete the remaining
work change order items.
Approval of change order 8 will resolve all outstanding contract items.
