| S.No. | Checkpoint | IS Requirement | Status |
|---|---|---|---|
| A. SCOPE & REFERENCES | |||
| A1 | Scope — terrace (APP/SBS/PU/cementitious), basement (crystalline/membrane), wet areas (acrylic) Acceptance: All WP locations listed; system per spec; manufacturer + applicator approved | Cl. 1 — Scope | OK NC NA HOLD |
| A2 | Approved system TDS, MSDS, warranty terms, and applicator certification available Acceptance: TDS signed off; 10 yr warranty from applicator + manufacturer; applicator licensed | Cl. 3 — System approval | OK NC NA HOLD |
| A3 | References: IS 3067 (general), IS 9918 (bitumen felt), IS 7193 (glass-fibre felt), manufacturer data Acceptance: Codes and drawings available; details for parapet/drain/penetration approved | Cl. 2 — References | OK NC NA HOLD |
| B. MATERIALS & EQUIPMENT | |||
| B1 | WP membrane / coating — batches within shelf life; batch no. traceable to MTC Acceptance: Shelf life valid; original sealed packs; MTC attached; physical test per spec | Cl. 5 — Materials | OK NC NA HOLD |
| B2 | Primers, sealants, fillets, reinforcing mesh — compatible system components from same manufacturer Acceptance: System-compatible primer; fillets at 90° corners; mesh at junctions; no mixing brands | Cl. 5 — Ancillary | OK NC NA HOLD |
| B3 | Equipment — torch (APP), rollers, spray rigs, heat blower, spark tester — in working order Acceptance: Tools operational; calibrated gauges; spark tester 15-25 kV; safety fire extinguishers ready | Cl. 6 — Equipment | OK NC NA HOLD |
| C. SITE PREPARATION / PRE-REQUISITES | |||
| C1 | Substrate concrete age ≥28 d; moisture <5% (bitumen) or <8% (PU) by CM-meter / calcium-chloride test Acceptance: Age met; moisture within spec; test reports attached; substrate cured and dry | Cl. 4 — Substrate | OK NC NA HOLD |
| C2 | Surface prep — grinding / shot-blasting / power-washing to remove laitance; voids filled Acceptance: Surface sound, clean, uniform; CSP 2-3; cracks >0.3 mm filled with approved epoxy | Cl. 4 — Surface | OK NC NA HOLD |
| C3 | Slope / drainage — 1:60 to 1:100 to drain; ponding eliminated; khurra / drain outlets prepared Acceptance: Slope verified; no ponding >1:150; drain outlets flared and accessible | Cl. 5 — Slope | OK NC NA HOLD |