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G. Any evidence of water penetration (drips, dampness, staining) constitutes failure.
B. Test all horizontal waterproofing areas prior to placement of cover boards, pavers, or topping slabs.
D. Flood each designated area with clean potable water to a minimum depth of 2 inches (50 mm) at the shallowest point. astm d595798 pdf free
E. Maintain water depth for minimum 24 hours, replenishing as needed.
That said, I will provide a about ASTM D5957-98 — its purpose, scope, history, how to legally access it, and practical alternatives — written to help you understand the standard thoroughly without violating copyright. Complete Guide to ASTM D5957-98: Flood Testing Horizontal Waterproofing Installations Introduction In the construction and building envelope industry, ensuring that horizontal waterproofing systems — such as those on plaza decks, roof terraces, podiums, and below-grade slabs — perform as intended is critical. Water intrusion can lead to structural deterioration, mold growth, tenant complaints, and costly repairs. ASTM D5957-98 (reapproved 2017) provides the industry’s benchmark standard guide for flood testing these installations. Test all horizontal waterproofing areas prior to placement
F. Inspect underside of deck for leakage at 2-hour intervals during first 8 hours, then at 24 hours.
H. Upon failure, Contractor shall drain area, allow membrane to dry, repair, and retest per same procedure at no additional cost. Contractor shall drain area
1998