The Waltham Housing Authority, the Awarding Authority, invites sealed bids from Contractors for installation of Plumbing vent piping Friction Clamps on cast iron Plumbing vent pipes at joint between PVC vent pipe to Cast iron pipe in the attic at State Aided Development: Chesterbrook Gardens (200-2) in Waltham, MA, in accordance with the Instructions of Product Manufacturer. The Project consists of but not limited to: Installation of 50 approximately 4.5 Inch diameter or equivalent support Friction clamps at the transition from PVC to Cast Iron venting pipe. This is to eliminate or reduce the weight of cast pipe cracking PVC below and TYs connections farther down. The transition area is located inside the attic above one unit in the back-to-back 2nd floor bathrooms.
