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| 1 | Opning and closing dummy and flanges in Ammonia complex during ATA 2023. |
| 2 | Opening & closing of Dummies of various Heat exchangers / Vessels / Ducts. Dummy BCD from 300 mm to 600 mm. Rate shall be for one inch dia. |
| 3 | Opening & closing of Dummies of various Heat exchangers / Vessels / Ducts. Dummy BCD from 650mm to 1000 mm. Rate shall be for one inch dia. |
| 4 | Opening & closing of Dummies of various Heat exchangers / Vessels / Ducts. Dummy BCD from 650mm to 1000 mm. Rate shall be for one inch dia. |
| 5 | Opening & closing of Dummies of various Heat exchangers / Vessels / Ducts. Dummy BCD from 1550 mm to 2000 mm. Rate shall be for one inch dia. |
| 6 | Removal and refixing of refractory plugs inside the vessel/ducts |
| 7 | Opening and boxing up of flanges of valves, pipelines, dummies, etc. of sizes upto 50 NB of all pressure ratingsRate shall be for one pair of flange faces. |
| 8 | Opening and boxing up of flanges of valves, pipelines, dummies, etc. of size from 80 NB to 100 NB of pressure rating 150#Rate shall be for one pair of flange faces. |
| 9 | Opening and boxing up of flanges of valves, pipelines, dummies, etc. of size from 80 NB to 100 NB of pressure rating 300#Rate shall be for one pair of flange faces. |
| 10 | Opening and boxing up of flanges of valves, pipelines, dummies, etc. of size from 80 NB to 100 NB of pressure rating 600#Rate shall be for one pair of flange faces. |
| 11 | Opening and boxing up of flanges of valves, pipelines, dummies, etc. of size from 80 NB to 100 NB of pressure rating above 600#Rate shall be for one pair of flange faces. |
| 12 | Opening and boxing up of flanges of valves, pipelines, dummies, etc. of size from 150 NB to 200 NB of pressure rating 150#Rate shall be for one pair of flange faces. |
| 13 | Opening and boxing up of flanges of valves, pipelines, dummies, etc. of size from 150 NB to 200 NB of pressure rating 300# Rate shall be for one pair of flange faces. |
| 14 | Opening and boxing up of flanges of valves, pipelines, dummies, etc. of size from 150 NB to 200 NB of pressure rating 600# Rate shall be for one pair of flange faces. |
| 15 | Opening and boxing up of flanges of valves, pipelines, dummies, etc. of size from 150 NB to 200 NB of pressure rating above 600# Rate shall be for one pair of flange faces. |
| 16 | Opening and boxing up of flanges of valves, pipelines, dummies, etc. of size from 250 NB to 300 NB of pressure rating 150#Rate shall be for one pair of flange faces. |
| 17 | Opening and boxing up of flanges of valves, pipelines, dummies, etc. of size from 250 NB to 300 NB of pressure rating 300# Rate shall be for one pair of flange faces. |
| 18 | Opening and boxing up of flanges of valves, pipelines, dummies, etc. of size from 250 NB to 300 NB of pressure rating 600# Rate shall be for one pair of flange faces. |
| 19 | Opening and boxing up of flanges of valves, pipelines, dummies, etc. of size from 250 NB to 300 NB of pressure rating above 600# Rate shall be for one pair of flange faces. |
| 20 | Opening and boxing up of flanges of valves, pipelines, dummies, etc. of size from 350 NB to 400 NB of pressure rating 150#Rate shall be for one pair of flange faces. |
| 21 | Opening and boxing up of flanges of valves, pipelines, dummies, etc. of size from 350 NB to 400 NB of pressure rating 300# Rate shall be for one pair of flange faces. |
| 22 | Opening and boxing up of flanges of valves, pipelines, dummies, etc. of size from 350 NB to 400 NB of pressure rating 600# Rate shall be for one pair of flange faces. |
| 23 | Opening and boxing up of flanges of valves, pipelines, dummies, etc. of size from 450 NB to 600 NB of pressure rating 150# Rate shall be for one pair of flange faces. |
| 24 | Opening and boxing up of flanges of valves, pipelines, dummies, etc. of size from 450 NB to 600 NB of pressure rating above 150# Rate shall be for one pair of flange faces. |
