| S.No. | Checkpoint | IS Requirement | Status |
|---|---|---|---|
| A. SYSTEM COMPLETION & READINESS | |||
| A1 | All piping joints completed and cured (Minimum 24 hrs since last joint cementing) Acceptance: Last joint completed >24 hrs prior; temperature >15°C during curing; documented | Allow adhesive to fully set before pressure | OK NC NA HOLD |
| A2 | All valves, taps, and end caps installed and verified Acceptance: End caps and blank flanges present; valves installed correctly; no open ends | Complete system sealing | OK NC NA HOLD |
| A3 | Bypass or test relief valve installed for protection Acceptance: Relief valve set to 1.5× test pressure; test pressure <1.5× working pressure | System over-pressure protection | OK NC NA HOLD |
| A4 | System alignment verified (no stress from misalignment or settlement) Acceptance: Support structure stable; no visible stress on joints; expansion loops intact | Ensure system structural integrity | OK NC NA HOLD |
| B. EQUIPMENT & INSTRUMENTATION | |||
| B1 | Pressure gauge selection and calibration Acceptance: Range 0-1.5× test pressure; calibrated within 6 months; accuracy ±1% of range | Accurate pressure measurement | OK NC NA HOLD |
| B2 | Pump selection (Manual/Electric for test pressure requirement) Acceptance: Pump capacity adequate for test duration; manual or electric available for system size | Appropriate pressurization equipment | OK NC NA HOLD |
| B3 | Pressure test hose/connection to system (proper coupling, no leaks) Acceptance: Hose rated for test pressure; connection points checked for leakage when pressurized | Reliable test setup | OK NC NA HOLD |
| B4 | Data logging / Chart recorder setup (if required for documentation) Acceptance: Data logger or chart installed if required; calibrated; recording media ready | Record pressure over test duration | OK NC NA HOLD |
| C. SAFETY MEASURES & PRECAUTIONS | |||
| C1 | Area isolation and warning signs (No personnel in pressurized area) Acceptance: Barriers around test area; warning signs posted; area cleared of personnel | Ensure worker safety | OK NC NA HOLD |
| C2 | Pressure release valve / Manual relief provision Acceptance: Relief valve or manual valve at highest point; accessible for operation | Safe system de-pressurization | OK NC NA HOLD |
| C3 | Safety briefing for personnel (Test procedure, emergency response) Acceptance: All personnel briefed; emergency shut-off procedure understood; contact person identified | Worker awareness | OK NC NA HOLD |
| C4 | Emergency stop procedure and responsible personnel identified Acceptance: Stop valve position known; operator assigned; procedure documented | Quick response to test issues | OK NC NA HOLD |