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| 1 | Valve repair and replacement works in Ammonia Complex. |
| 2 | Repair of Gate / Globe / Ball / Check valves of size from 40 NB upto and including 50NB of Class150 (including the pressure testing of repaired valves) |
| 3 | Repair of Gate / Globe / Ball / Check valves of size from 40 NB upto and including 50NB of Class300 (including the pressure testing of repaired valves) |
| 4 | Repair of Gate / Globe / Ball / Check valves of size from 40 NB upto and including 50NB of Class600 (including the pressure testing of repaired valves) |
| 5 | Repair of Gate / Globe / Ball / Check valves of size from 80 NB upto and including 100NB of Class150 (including the pressure testing of repaired valves) |
| 6 | Repair of Gate / Globe / Ball / Check valves of size from 80 NB upto and including 100NB of Class300 (including the pressure testing of repaired valves) |
| 7 | Repair of Gate / Globe / Ball / Check valves of size from 80 NB upto and including 100NB of Class600 (including the pressure testing of repaired valves) |
| 8 | Repair of Gate / Globe / Ball / Check valves of size from 150NB upto and including 200NB of Class150 (including the pressure testing of repaired valves) |
| 9 | Repair of Gate / Globe / Ball / Check valves of size from 150NB upto and including 200NB of Class300 (including the pressure testing of repaired valves) |
| 10 | Repair of Gate / Globe / Ball / Check valves of size from 150NB upto and including 200NB of Class600 (including the pressure testing of repaired valves) |
| 11 | Repair of socket welded Gate / Globe valves of size 25 NB & 40 NB of Class 2500 / 1500 (including the pressure testing of repaired valves) |
| 12 | Replacement of Gate / Globe/ Ball / Check valves from 80 NB upto and including size 150NB of class 150 |
| 13 | Replacement of Gate / Globe / Ball / Check valves from 80 NB upto and including size 150NB of class 300 |
| 14 | Replacement of Gate / Globe / Ball / Check valves from 80 NBupto and including size 150NB of class 600 |
| 15 | Replacement of Gate / Globe / Ball / Check valves from 200 NB upto and including size 350NB of class 150 |
| 16 | Replacement of Gate / Globe / Ball / Check valves from 200 NB upto and including size 350NB of class 300 |
| 17 | Replacement of Gate / Globe / Ball / Check valves from 200 NBupto and including size 350NB of class 600 |
| 18 | Repair of Butterfly Valves of Size from 200NB upto and including Size 350 NB of class 150 |
| 19 | Repair of Butterfly Valves of Size from 400NB upto and including Size 600 NB of class 150 |
| 20 | Repair of Butterfly Valves of Size from 650NB upto and including Size 1000 NB of class 150 |
| 21 | Replacement of Butterfly Valves of Size from 200NB upto and including Size 350 NB of class 150 |
| 22 | Replacement of Butterfly Valves of Size from 400NB upto and including Size 600 NB of class 150 |
| 23 | Replacement of Butterfly Valves of Size from 650NB upto and including Size 1000 NB of class 150 |
| 24 | Skilled mechanical jobs including machinery/ equipment installation, dismantling & refixing of pressure joints, piping & pipeline works, welding, machining jobsetc. requiring skilled workers. Rate shall be quoted for man days of 8 hrs. |
