Army Corps Awards Contract for Slack Brook Project

The Slack Brook Section 14 Emergency Riverbank Erosion Protection project in Leominster, Mass., will be completed under the terms of a $419,360.00 contract recently awarded by the U.S. Army Corps of Engineers, New England District.

Work will be accomplished by SumCo Eco-Contracting, LLC, of Salem, Mass.

Construction is scheduled to start in mid-November 2017 and the majority of the work will be completed by mid-January 2018. The contractor will demobilize and return at the end of April 2018 to complete plantings and reseeding, USACE said.

The project is to prevent further erosion and potential road washout along Exchange Street in Leominster.

The work consists of the construction of emergency riverbank erosion protection along the right (south) bank of Slack Brook, adjacent to Exchange Street in Leominster. The riverbank erosion protection consists of a stone revetment on the lower bank and a geocell structure with topsoil and seed infill on the upper bank.

The project involves the placement of a stone revetment base along 300 linear feet of the Slack Brook lower bank to stabilize the slope and protect it from scouring during high flows. The upper portion of the bank will include a vegetated exterior utilizing a geocell cellular confinement system.

Existing stones and boulders at the base of the slope that are moved for construction will be placed back within the channel of the stream, said USACE.

Specific work tasks include clearing and grubbing, excavation, placing and compacting fill and gravel materials, placing stone protection, placing and anchoring a geocell system, placing topsoil and seed, planting of trees and vines, and herbicide treatment for invasive plant control.

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