Page 9-132 M 41-10
9-24 Plastic Waterstop9-24 Plastic Waterstop
9-24.1 Material
The waterstops shall be fabricated from a plastic compound, the basic resin of which shall be polyvinyl chloride. The compound shall contain any additional resins, plasticizers, inhibitors, or other material such that when the material is compounded, it shall meet the performance requirements given in these Specifications. Single-pass reworked material of the same composition generated from the fabricator’s waterstop production may be used. No reclaimed polyvinyl chloride shall be used. All waterstops shall be molded or extruded in such a manner that any cross section will be dense, homogeneous, and free from porosity and other imperfections. The waterstops shall be symmetrical in shape, nominal 4 inches in width, by ³⁄16 inch thick, and a minimum of four ribs on each side of the bulb. The bulb thickness and diameter shall be as noted in the Plans.
9-24.1(1) Tests of Material
The waterstops shall meet all of the physical and other test requirements of this material as defined in the Corps of Engineers Specifications for Polyvinyl Chloride Water Stop CRD-C572, except that the tear resistance of the material shall be not less than 160 pounds per inch. The Contractor shall furnish such sample material as required by the Engineer for the purpose of making tests.
Get an email when 9-24 changes
Washington revises spec sections through supplementals and new editions. We check this one every week and email you the day it changes. Free, no account.