Illinois Urban Manual
Material Specifications
538. METAL WATERSTOPS
1. SCOPE
This specification covers the quality of materials for metal waterstops as
specified for reinforced concrete installation.
2. MATERIALS
Metal waterstops shall be made of copper or galvanized steel as specified.
Waterstops that require forming of the metal involving sharp bends shall be
made of copper which shall be soft and pliable so bending to an inside radius
equal to its thickness without cracking will occur at temperatures less than
180o F.
3. QUALITY
Metal for waterstops shall conform to the requirements of the applicable
ASTM Standard below:
Copper - ASTM Specification B 152
Zinc-coated (Galvanized) steel - ASTM Specification A 653
Specification Date 10/98
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