SECTION 02533
CONNECTIONS TO EXISTING STRUCTURES OR SEWER MAINS
PART 1 - GENERAL
1.01 WORK INCLUDED:
The Contractor shall furnish materials, tools, labor and equipment to cut suitable openings
into the existing sewer manholes, make connections to existing sewers and all other work
necessary to direct the existing sewage flow as indicated on the drawings and as herein
specified.
1.02 RELATED WORK:
Section 02631, PRECAST MANHOLES AND CATCH BASINS
Section 02085, POLYVINYL CHLORIDE GRAVITY PIPE AND FITTINGS
Section 01735, CUTTING, CORING and PATCHING
1.03 SUBMITTALS: INACCORDANCE WITH REQUIREMENTS OF THE GENERAL
SPECIFICATIONS, SUBMIT THE FOLLOWING:
Prior to start of work, submit details of the methods proposed for doing the work and for
maintaining the sewage flow as herein specified.
PART 2 - PRODUCTS
A. Products for attaching to existing sewer manholes are described in Sections 02631, Precast
Manholes and Catch Basins; and Section 01735, Cutting, Coring and Patching.
B. Products for attaching sewer service lines or drain lines to existing sewer mains:
1. Connection of new sewer service or drain pipe to existing sewer mains shall be by
mechanical saddles (as described in items 2 and 3 below). The connection device
shall provide a firm base that will hold and attach the service main to the existing pipe
without the possibility of the pipe becoming loose or detaching from the main.
Putting the pipe in the main and grouting around it will not be allowed.
2. Where feasible and sizing allows this type of connection, the preferred method of
attachment of PVC service or drain pipe to the existing main is by aROMAC “CB”
Sewer Saddles or equal.
2019 Sewer Replacement Project Connections to Existing Structures or Sewer Mains
Nashua, NH 01330-1
