SECTION 01735
CUTTING, CORING AND PATCHING
PART 1 - GENERAL
1.01 WORK INCLUDED:
This Section covers the cutting, coring, rough and finish patching of holes and openings in
existing structures.
PART 2 - PRODUCTS
2.01 SEALING MATERIALS:
A. Mechanical seals shall be modular, adjustable, bolted, mechanical type consisting of
interlocking synthetic rubber links shaped to continuously fill the annular space between the
pipe and sleeve. The seal shall be rated by the manufacturer for 40 feet of head or 20 psig.
Mechanical seals shall be Link-Seal, manufactured by Thunderline Corp., Wayne, ML, or
approved equal.
B. — Sealant shall be a two part foamed silicone elastomer as manufactured by Dow Corning
Co., product No. 3-6548 silicone R.T.V.; 3M brand fire barrier products caulk C.P. 25 and
3M brand putty 303; Flame-Safe fire stop systems Fig. No. FS-500 by Thomas & Berts
Corporation, or approved equal. Packing shall be a fire retardant pliable material, Fig. 310 by
Sealtite Co.; White Oakum W.S.-600 by American Manufacturing Co., or approved equal.
Sealant bead configuration, depth and width shall be in accordance with manufacturer's
recommendations.
2.02 MISCELLANEOUS MATERIALS:
A. Bonding compound shall be Sikadur Hi-Mod epoxy by Sika Corporation, or equivalent by
Euclid Chemical Corporation, Master Builders Company, or approved equal.
B. Non-shrink grout shall be Masterflow 713 by Master Builders Company; Euco N-S by
Euclid Chemical Co.; Five Star Grout by U.S. Grout Corp. or approved equal.
C. Materials for finish patching shall be equal to those of adjacent construction.
PART 3 — EXECUTION
3.01 GENERAL:
A. The Contractor shall leave all chases or openings for the installation of his own or any
other contractor's or subcontractor's work, or shall cut the same in existing work, and shall see
2019 Sewer Replacement Project Cutting, Coring and Patching
Nashua, NH 01330-1
