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| 1 | Proving of APT in presence of user Dept and Ship and Ship Staff. Test parameters invole building up 150 mm pressure ( by water column) in each cluster being tasted, with any pressure drop restricted below 13 mm in 10 minutes/ as prescribed in last report. Calibrated U-tube manometer are to be used. Suitable air pressure and air flow rate generation devices to be arranged by the firm for test.Acceptance Agency: APT will be offered to extend agency. Hull Inspection and Trials Unit, Mumbai (HITU) for acceptance. | Proving of APT in presence of user Dept and Ship and Ship Staff. Test parameters invole building up 150 mm pressure ( by water column) in each cluster being tasted, with any pressure drop restricted below 13 mm in 10 minutes/ as prescribed in last report. Calibrated U-tube manometer are to be used. Suitable air pressure and air flow rate generation devices to be arranged by the firm for test.Acceptance Agency: APT will be offered to extend agency. Hull Inspection and Trials Unit, Mumbai (HITU) for acceptance. |
| 2 | Structural repairs including renewal of rubber beading of door and hatches: - | Structural repairs including renewal of rubber beading of door and hatches: - |
| 3 | Overhauling of mushroom heads, ventilation flaps- Removal, overhauling, refitment including replacing damaged/ missingalve wheels and flaps opening of removed valves on trunking to temporarily blanked for APT | Overhauling of mushroom heads, ventilation flaps- Removal, overhauling, refitment including replacing damaged/ missingalve wheels and flaps opening of removed valves on trunking to temporarily blanked for APT |
| 4 | Packing op cable glandes- Rectification of all additional defects precluding proving of APT (including air leaks from glands/ joints/ deck conduits, rubber coaming etc.) packing and sealing with silicon sealant, araldite and hardner to prove WT integrity. | Packing op cable glandes- Rectification of all additional defects precluding proving of APT (including air leaks from glands/ joints/ deck conduits, rubber coaming etc.) packing and sealing with silicon sealant, araldite and hardner to prove WT integrity. |
| 5 | Packing op cable glandes- Rectification of all additional defects precluding proving of APT (including air leaks from glands/ joints/ deck conduits, rubber coaming etc.) packing and sealing with silicon sealant, araldite and hardner to prove WT integrity. | Packing op cable glandes- Rectification of all additional defects precluding proving of APT (including air leaks from glands/ joints/ deck conduits, rubber coaming etc.) packing and sealing with silicon sealant, araldite and hardner to prove WT integrity. |
| 6 | Manufacture of blanks for blanking and seaming of pipes (Mat-MS)- Rectification of all additional defects precluding proving of APT (including air leaks from glands/ joints/ deck conduits, rubber coaming etc). blanking and sealing of pipes to prove WT integrity of compartment. | Manufacture of blanks for blanking and seaming of pipes (Mat-MS)- Rectification of all additional defects precluding proving of APT (including air leaks from glands/ joints/ deck conduits, rubber coaming etc). blanking and sealing of pipes to prove WT integrity of compartment. |
