Somerset Reservoir Dam Resiliency Improvements

The work on Somerset Reservoir Resiliency Improvements includes: 1. Mobilize to the project site; establish site access and staging areas; remove and store site features conflicting with construction access and proposed for resetting. 2. Install erosion and sediment control devices as required. 3. Clear, grub, and strip all vegetation to the limits of clearing. Remove root systems and stumps from the embankments. 4. Excavate and backfill embankments to the limits indicated on the Drawings. 5. Regrade the dam crest. a. Install interlocking concrete blocks along the upstream slope of the existing crest as indicated on the Drawings. b. Place, grade, and compact suitable fill material to the lines and grades shown on the Drawings. c. Install geotextile fabric in areas stabilized with riprap, bedding stone, and/or riprap armor stone. 6. Install the new low-level outlet gate and snorkel. a. Remove the temporary plate from the opening within the existing gatehouse. b. Install the new low-level outlet gate, stem, stem guides, pedestal, and operator. c. Remove the temporary plate from the headwall at the low-level outlet intake. Note that a dive crew will be required for this work. d. Install the snorkel assembly on the headwall. e. Reinstall the existing trash rack onto the snorkel outlet. 7. Reset site features removed to facilitate site access. 8. Loam and seed areas of the dam to be stabilized with vegetation. 9. Return the staging area and access roads to the pre-construction condition and demobilize from the site. 10. Complete an as-built survey, provide record drawings, and provide record specifications. The Somerset Board of Water and Sewer Commissioners is inviting bids for the Somerset Reservoir Dam Resiliency Improvements located behind the Water Treatment Plant, 3249 County St., Somerset, MA. Work consists of: Selective clearing and grubbing. Regrading the dam crest including installing interlocking concrete blocks, suitable fill, and riprap. Installing a new low-level outlet gate and snorkel. Dive crew required.

Division 02 -	Existing Conditions, Subsurface Investigation.
Division 03 -	Concrete, Precast Concrete.
Division 04 -	Masonry, Unit Masonry.
Division 05 -	Metals, Structural Metal Framing, Metal Fabrications.
Division 06 -	Wood, Plastics, and Composites, Rough Carpentry.
Division 07 -	Thermal and Moisture Protection, Dampproofing and Waterproofing, Thermal Protection.
Division 08 -	Openings, Doors and Frames, Windows, Hardware.
Division 09 -	Finishes, Painting and Coating.
Division 10 -	Specialties, Signage, Compartments and Cubicles, Emergency Aid Specialties, Fire Protection Specialties, Storage Assemblies.
Division 11 -	Equipment, Laboratory Equipment.
Division 14 -	Conveying Equipment.
Division 21 -	Fire Suppression, Fire-Extinguishing Systems.
Division 22 -	Plumbing, Instrumentation and Control for Plumbing, Plumbing Piping, Plumbing Equipment, Plumbing Fixtures.
Division 23 -	Heating, Ventilating, and Air Conditioning (HVAC), Instrumentation and Control for HVAC, HVAC Air Distribution.
Division 26 -	Electrical, Instrumentation and Control for Electrical Systems, Interior Lighting, Emergency Lighting, Exit Signs, Exterior Lighting.
Division 27 -	Communications, Structured Cabling, Data Communications, Voice Communications, Distributed Audio-Video Communications Systems.
Division 28 -	Electronic Safety and Security, Electronic Access Control and Intrusion Detection, Access Control, Intrusion Detection, Electronic Surveillance, Electronic Detection and Alarm.
Division 31 -	Earthwork, Site Clearing, Grading, Excavation and Fill, Subgrade Preparation, Excavation, Earthwork Methods, Shoring, Tunneling and Mining, Tunnel Excavation.
Division 32 -	Exterior Improvements, Flexible Paving, Rigid Paving, Curbs, Gutters, Sidewalks, and Driveways, Fences and Gates, Turf and Grasses.
Division 33 -	Utilities, Water Utilities, Storm Drainage Utilities, Electrical Utilities, Communications Utilities.
Division 35 -	Waterway and Marine Construction, Dam Construction and Equipment.
Division 44 -	Pollution and Waste Control Equipment, Common Work Results for Pollution and Waste Control Equipment, Air Pollution Control, Noise Pollution Control, Odor Control, Water Pollution Control Equipment, Solid Waste Control and Reuse, Waste Thermal Processing Equipment, Fluidized Bed Combustion Equipment, Rotary Kiln Incinerators, Pyrolysis Equipment, Hazardous Waste and Medical Waste Incinerators, Heat Recovery Equipment for Waste Thermal Processing, Synthesis Gas Cleanup and Handling Equipment.