Domestic Hot Water Replacement and Partial Sewer Line Replacement at Middlesex High School

C008 General Construction; or C009 General Construction/Alterations and Additions, C030 Plumbing Additionally, C047 Electrical; The existing single large domestic hot water tank shall be replaced with a group of smaller tanks, to make future replacements with minimum disruption to school Operations. The multiple modular tanks will be piped in parallel on both the HHW and DHW sides, and the existing boiler room piping will be modified as necessary to accommodate the new tank configuration and locations. NOTE THE FOLLOWING, CRITICAL CHANGES FROM THE PREVIOUSLY ISSUED BID DOCUMENTS, PUBLISHED APRIL 15, 2021: 1.) THE EQUIPMENT AND PIPING CONFIGURATION / LOCATION, 2.) THE BASIS OF DESIGN PRODUCTS, 3.) TWO ADDITIONAL ALTERNATES. The District employed the services of an inspection agency to camera scope the existing sub-grade sewer lines. Multiple locations are compromised. As a result, sub-grade piping in the main #100 Hallway, in the #301-305 Hallway, and in the #99-104 Hallway shall be replaced.

Middle/Senior High School, Renovation.

Division 22 -	Plumbing, Instrumentation and Control for Plumbing, Plumbing Piping, Facility Water Distribution, Facility Sanitary Sewerage, Facility Storm Drainage, Plumbing Equipment, Plumbing Fixtures.
Division 23 -	Heating, Ventilating, and Air Conditioning (HVAC), Heating Boilers.
Division 26 -	Electrical.
Division 33 -	Utilities, Water Utilities, Sanitary Sewerage Utilities, Storm Drainage Utilities, Electrical Utilities.