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| 1 | Opening and closing of flanges, strainers and valve replacements in Ammonia Complex during ATA 2026. |
| 2 | Opening and boxing up of flanges of size from 80 NB to 100 NB of pressure rating 150# |
| 3 | Opening and boxing up of flanges of size from 80 NB to 100 NB of pressure rating 300# |
| 4 | Opening and boxing up of flanges of size from 80 NB to 100 NB of pressure rating 600# |
| 5 | Opening and boxing up of flanges of size from 150 NB to 200 NB of pressure rating 150# |
| 6 | Opening and boxing up of flanges of size from 150 NB to 200 NB of pressure rating 300# |
| 7 | Opening and boxing up of flanges of size from 150 NB to 200 NB of pressure rating 600# |
| 8 | Opening and boxing up of flanges of size from 250 NB to 300 NB of pressure rating 150# |
| 9 | Opening and boxing up of flanges of size from 250 NB to 300 NB of pressure rating 300# |
| 10 | Opening and boxing up of flanges of size from 250 NB to 300 NB of pressure rating 600# |
| 11 | Opening and boxing up of flanges of size from 350 NB to 400 NB of pressure rating 150# |
| 12 | Opening and boxing up of flanges of size from 350 NB to 400 NB of pressure rating 300# |
| 13 | Opening and boxing up of flanges of size from 350 NB to 400 NB of pressure rating 600# |
| 14 | Opening and boxing up of flanges of size from 450 NB to 500 NB of pressure rating 150# |
| 15 | Opening and boxing up of flanges of size from 450 NB to 500 NB of pressure rating 300# |
| 16 | Opening and boxing up of flanges of size from 450 NB to 500 NB of pressure rating 600# |
| 17 | Opening and boxing up of flanges of size from 600 NB to 800 NB of pressure rating 150# |
| 18 | Opening and boxing up of flanges of size 600 NB of pressure rating 300# |
| 19 | Opening and boxing up of flanges of size 600 NB of pressure rating 600# |
| 20 | Opening of Y type or T type strainers of sizes upto and including 2\" & closing back after cleaning. |
| 21 | Opening of Y type or T type strainers of sizes from 3\" upto and including 4\" & closing back after cleaning. |
| 22 | Opening of Y type or T type strainers of sizes from 6\" upto and including 10\" & closing back after cleaning. |
| 23 | Opening of Y type or T type strainers of sizes from 12\" upto and including 20\" & closing back after cleaning. |
| 24 | Replacement of Gate / Globe/ Ball / Check valves from 80 NB upto and including size 150NB of class 150 |
| 25 | Replacement of Gate / Globe / Ball / Check valves from 80 NB upto and including size 150NB of class 300 |
| 26 | Replacement of Gate / Globe / Ball / Check valves from 80 NBupto and including size 150NB of class 600 |
| 27 | Replacement of Gate / Globe / Ball / Check valves from 200 NB upto and including size 350NB of class 150 |
| 28 | Replacement of Gate / Globe / Ball / Check valves from 200 NB upto and including size 350NB of class 300 |
| 29 | Replacement of Gate / Globe / Ball / Check valves from 200 NBupto and including size 350NB of class 600 |
| 30 | Replacement of Butterfly Valves of Size from 200NB upto and including Size 350 NB of class 150 |
| 31 | Replacement of Butterfly Valves of Size from 400NB upto and including Size 600 NB of class 150 |
| 32 | Skilled mechanical jobs including machinery/ equipment installation, dismantling & refixing of pressure joints, piping & pipeline works, welding, machining jobs etc. requiring skilled workers. Rate shall be quoted for man days of 8 hrs. |
