This is a service / maintenance or supply contract in Concord, New Hampshire. Contact the soliciting agency for additional information.

The City of Concord, New Hampshire wishes to engage the services of a qualified private firm to provide and install replaced/regenerated granular activated carbon in FOUR (4) filters at the Water Treatment Plant, 53 Hutchins Street, Concord, NH 03301, with ONE (1) filter being replaced in 2024. The Agreement between the City and the successful contractor may be extended, by mutual agreement, for the regeneration of granular activated carbon in the City's three (3) remaining filter units at the Water Treatment Plant, 53 Hutchins Street, Concord, NH 03301. Provide a statement that the Contractor fully understands the scope of work requested. Please refer to Attachment B - Specification for Granular Activated Carbon Filter media A. Furnish all labor, materials, equipment and incidentals required to remove all existing GAC filter media REGENERATE and install, ready for operation, the GAC filter media for ONE filter as specified herein. B. The supplier shall replace the existing GAC media with the regenerated GAC filter media in ONE filter unit, each with a dimension of 19 feet wide by 23 feet long. The GAC depth is 20 inches (1.66 feet). The new GAC material shall be placed to a depth of 20 inches. C. One filter will be taken off-line for GAC filter media removal and then the regenerated GAC installed and placed into operation. D. Filter media production standards, testing procedures, installation and washing criteria shall conform to AWWA B100 or B604, as applicable, unless specified otherwise in this Section. Granular activated carbon (GAC) shall be manufactured in the United States. Media shall be American National Standards Institute/NSF International Standard 61 certified.