Eastman Water Treatment Facility Improvements

Grantham, New Hampshire

DuBois & King was retained by the Village District of Eastman to provide engineering design and support for a design-build approach to upgrade and expand its existing 0.675 MGD water treatment facility. The upgrade included an addition onto the existing water treatment building; installation of new LP fueled stand-by generators; electrical and mechanical (HVAC) upgrades; reconfiguration of inlet piping; installation of a new master water meter, chemical feed systems, and piping improvements (caustic, potassium permanganate, hypochlorite); and a new/expanded chemical lab/office configuration. The Tonkla green sand pressure filter facility provides treatment for iron and manganese removal.

Scope of services included preparation of a new SCADA system performance specification and installation coordination with controls contractor. D&K worked with the Village District director, water operator, and contractor throughout the design-build project. Scope of work included preparation of construction drawings, details and specifications, periodic construction inspection, and substantial/final completion inspections and certifications.