NOTE: Floor hardener should only be specified on
specialized indoor floors where dusting of concrete
would present an unusual problem or where specially
requested by the Using Service.
**************************************************************************
Floor hardener shall be a colorless aqueous solution containing zinc
silicofluoride, magnesium silicofluoride, or sodium silicofluoride. These
silicofluorides can be used individually or in combination. Proprietary
hardeners may be used if approved in writing by the Contracting Officer.
2.12
PERIMETER INSULATION
**************************************************************************
NOTE: Show required K-value on the drawings.
**************************************************************************
Perimeter insulation shall be polystyrene conforming to ASTM C 578, Type
II; polyurethane conforming to ASTM C 591, Type II; or cellular glass
conforming to ASTM C 552, Type I or IV. The Contractor shall comply with
EPA requirements in accordance with Section 01670 RECYCLED / RECOVERED
MATERIALS.
2.13
VAPOR BARRIER
Vapor barrier shall be polyethylene sheeting with a minimum thickness of
0.15 mm (6 mils) 6 mils or other equivalent material having a vapor
permeance rating not exceeding 30 nanograms per Pascal per second per
square meter (0.5 perms) 0.5 perms as determined in accordance with ASTM E
96.
2.14
JOINT MATERIALS
2.14.1
Joint Fillers, Sealers, and Waterstops
**************************************************************************
NOTE: Do not use bituminous filler with
non-bituminous sealer. Designer will edit bracketed
items for joint sealing.
**************************************************************************
Expansion joint fillers shall be preformed materials conforming to [ASTM D
1751] [ASTM D 1752]. Materials for waterstops shall be in accordance with
Section 03150A EXPANSION JOINTS, CONTRACTION JOINTS, AND WATERSTOPS.
Materials for and sealing of joints shall conform to the requirements of
Section [07920 JOINT SEALANTS] [02760 FIELD MOLDED SEALANTS FOR SEALING
JOINTS IN RIGID PAVEMENTS] [02762 COMPRESSION JOINT SEALS FOR CONCRETE
PAVEMENTS].
2.14.2
Contraction Joints in Slabs
Sawable type contraction joint inserts shall conform to COE CRD-C 540.
Nonsawable joint inserts shall have sufficient stiffness to permit
placement in plastic concrete without undue deviation from a straight line
and shall conform to the physical requirements of COE CRD-C 540, with the
exception of Section 3.4 "Resistance to Sawing". Plastic inserts shall be
polyvinyl chloride conforming to the materials requirements of COE CRD-C 572.
SECTION 03300A
Page 30
Previous Page
