Instrumentation Maintenance and Fabrication Works for Fert Plants

Repairing & servicing of flanged Thermowells with Thermocouples. (Fange Size & Rating :40 NB, up to 600#, Length up to 1000 mm). The scope of work includes removal of thermowell assembly from line, transporting from site to workshop, replacing the damaged parts, assembling, testing, transporting from workshop to site and fixing it back on line. All the materials required for the work will be supplied by FACT as free issue.

Cleaning/brushing the spindle of inlet isolation valve of each Air Distributor(AD), Lubricating, closing and opening of inlet isolation valves, flushing out the AD, changing the defective ¼” distribution valves, lining up the AD, leak checking and providing seal plug for drain valves. All the materials will be issued by FACT at free of cost.

Labour supply for applying one coat of epoxy zinc phosphate Primer and one coat of finish paint of approved brand & quality at all Control Valve/Junction Box/ Stanchion etc. at all heights after thoroughly cleaning the surface with wire brush. All the tag plates must be covered with masking tapes during the painting and CV Tag No. / Junction Box No. shall be printed on the surface after completion of painting. All materials required for the work will be supplied by FACT as free of cost.

Powder coating of instrument panels. Contractor scope include a) Removal/Cleaning of the panel b) Applying and Curing of the power coating c) Refixing the panel and its components after completion of the painting Colour for the powder coating as per departmental instructions.

Fabrication and laying of transmitter impulse lines. Work includes Fabrication of transmitter impulse lines using SS tubes (Size 12mm ODX1.5mm thick) and fittings. Laying of these impulse lines from instrument 1st isolation valve to flow/pressure transmitter and connecting both ends using proper tube fittings . If required, impulse lines to be fixed by using proper clamps, nuts and bolts. Note: All the materials will be issued by FACT at free of cost.

Laying of 6 mm/8mm SS pneumatic tubing from air headers to the air filter regulators or I/P Converters of control valves located at the plant site. Work includes laying of SS pneumatic tubing of sizes 6mm/8mm OD with standard SS fittings from air headder to control valve accesseries. One end shall be connected at air header tapping and the other end shall be connected at the air filter regulator/ I/P end. Sharp bends shalll be avoided and proper support shall be given using clamps for the pneumatic tubing. All the materials will be issued by FACT.

Replacement of feed gate assembly of bagging machine. Work includes removal of old defective feed gate assembly and fixing of new feed gate assembly on bagging machine with proper fasteners and pneumatic tubing.All the materials will be issued by FACT at free of cost.

Replacement of load cell assembly of bagging machine. Work includes removal of old defective load cell assembly, transporting them to Instrumention work area, replacement with new loadcell, transporting the unit to site and fiixing back with proper fasteners. All the materials will be issued by FACT at free of cost.

Replacement of rubber seal set of bucket assembly of bagging machine. Work includes removal of old defective bucket assembly and fixing back after replacing the rubber seal set. All the materials will be issued by FACT at free of cost.

Dressing of Multicore & Branchcore cables: Work includes dressing of existing cables of sizes 20, 12 & 1pair/ 12 & 1 triad in a group of 10 -15 number of cables on unit length of tray on new/existing cable trays of various sizes. The work include arranging and dressing of the cables in ladder type/slotted MS/ aluminium cable racks/trays by using SS wire (1 sq mm dia. min) / aluminium flat strips (20x5mm) at intervals of minimum 50 cm on horizontal runs and 30 cm on vertical runs. The aluminium clamps shall be provided on the trays using M6 X40 SS Fasteners. All materials required for the work will be supplied by FACT as free issue.