HomeMy WebLinkAbout071700 bentonite waterproofing.pdf Giant Eagle Market #6550 The Bridges, Carmel, Indiana
Building Shell Bid & Permit
DLA Project 2014040.00
August 12, 2014
BENTONITE WATERPROOFING 071700 - 1
SECTION 071700 - BENTONITE WATERPROOFING
PART 1 - GENERAL
1.1 SUMMARY
A. Section Includes: Bentonite waterproofing at elevator pits.
1.2 ACTION SUBMITTALS
A. Product Data: For each type of product.
B. Shop Drawings: Include installation details for waterproofing, penetrations, and interface with
other work.
1.3 INFORMATIONAL SUBMITTALS
A. Product certificates.
B. Sample warranty.
1.4 WARRANTY
A. Special Warranty: Manufacturer and Installer agree(s) to repair or replace components of
bentonite waterproofing system that fail in materials or workmanship within specified warranty
period.
B. Warranty Period: 10 years from date of Substantial Completion.
PART 2 - PRODUCTS
2.1 GEOTEXTILE/BENTONITE SHEETS
A. Regular Geotextile/Bentonite Sheet: Minimum of 1.0 lb/sq. ft. of bentonite clay granules
between two layers of polypropylene geotextile fabric, one woven and one nonwoven, needle
punched and heat fused together.
1. Products: Subject to compliance with requirements, provide one of the following:
a. Carlisle Coatings & Waterproofing; CCW MiraCLAY.
b. CETCO, a subsidiary of AMCOL International Corp; Voltex.
2. Grab Tensile Strength: 95 lbf according to ASTM D 4632.
3. Puncture Resistance: 100 lbf according to ASTM D 4833.
Giant Eagle Market #6550 The Bridges, Carmel, Indiana
Building Shell Bid & Permit
DLA Project 2014040.00
August 12, 2014
BENTONITE WATERPROOFING 071700 - 2
2.2 PROTECTION COURSE
A. Protection Course: Protection mat of type and thickness as recommended in writing by
waterproofing manufacturer for each Project condition.
B. Adhesive: As recommended in writing by waterproofing manufacturer.
2.3 ACCESSORIES
A. General: Manufacturer's standard accessories recommended for intended use and compatible
with bentonite waterproofing.
PART 3 - EXECUTION
3.1 INSTALLATION, GENERAL
A. Prepare substrates, voids, cracks, and cavities; and install waterproofing and accessories
according to manufacturer's written instructions.
B. Install protection course before backfilling or placing overburden when recommended in
writing by waterproofing manufacturer.
3.2 GEOTEXTILE/BENTONITE SHEET INSTALLATION
A. Install a continuous layer of waterproofing sheets directly against surface to be waterproofed.
Lap ends and edges a minimum of 4 inches on horizontal and vertical substrates unless
otherwise indicated. Stagger end joints between sheets a minimum of 24 inches. Fasten seams
by stapling to adjacent sheet or nailing to substrate.
END OF SECTION 071700