NIT No. 12 (20-21) Item No. 2

Safety equipments have to be arranged for the workers as the work has to be done in the sewage line chamber & wet sump well. The same includes loading, unloading & cartage charges etc.

Repair/ renovation of Upadhaya Make Header line Sluice Valve (Outside the wet sump in open chamber) of size 750mm Dia at Ghonda-I SPS by carrying out the following works:- Scaffolding arrangement at site of work this includes such as plates, balli, jacks, chain block, chains etc to & fro and its loading & unloading complete & its dismantling after completion of work.

Removing of wheel along with complete gear box from the sluice valve stem, Opening/cutting of all nut bolts/studs Gland top & upper dome (Bonnet) of sluice valve body and Gland Plate bolts.

Lifting of bonnet with the help of long boom crane & heavy labour arrangement to take out from the chamber to safer place as per site requirement.

Dewatering of sewage water from the chamber with the help of suitable rating dewatering pump sets including all the accessories like cable, delivery pipe, panel board, clamps etc as per site requirement for disposal/ dewatering of sewage water during working hours in the sluice valve chamber.

Taking out complete wedge from the Sluice Valve body by lifting with the help of long boom crane & heavy labour arrangement. Cleaning of body seat rings of Sluice Valve from inside by chemical solution and polishing by manual arrangement. Cleaning of Sluice Valve wedge facing rings by chemical solution, emery paper etc. and polishing as required.

Closing of sluice valve after taking out the wedge from the body by fixing of bonnet and fixing of M.S. Plate after drilling of holes as per the holes of top flange of bonnet for operation of header line.

Supply of gear box

Supply of gland bolts

Supply of gasket

Supply of nut bolts & washers

Supply of gland packing

Cleaning & repairing of SS spindle threads as required by the job.

Fixing of complete wedge in Sluice valve body with proper matching of both the seat rings of body & wedge rings, fixing of spindle, fixing of bonnet after replacing of gasket & damaged nut bolts/studs, fixing of gland top with the help of long boom crane & heavy labour arrangement etc & tightening of nut bolts with spanner, fixing of Gland packing and Gland Plate etc. with the help of manual labour arrangement etc. as required by job. Taking trial run of sluice valve as required by deptt.

Repair/ renovation of Upadhaya Make Header line Sluice Valve (Inside the wet sump in chamber) of size 750mm Dia at Ghonda-I SPS by carrying out the following works:- Scaffolding arrangement at site of work this includes such as plates, balli, jacks, chain block, chains etc to & fro and its loading & unloading complete & its dismantling after completion of work.

Removing of wheel along with complete gear box from the sluice valve stem, Opening/cutting of all nut bolts/studs Gland top & upper dome (Bonnet) of sluice valve body and Gland Plate bolts.

Lifting of bonnet with the help of long boom crane & heavy labour arrangement to take out from the chamber to safer place as per site requirement.

Taking out complete wedge from the Sluice Valve body by lifting with the help of long boom crane & heavy labour arrangement. Cleaning of body seat rings of Sluice Valve from inside by chemical solution and polishing by manual arrangement. Cleaning of Sluice Valve wedge facing rings by chemical solution, emery paper etc. and polishing as required.

Closing of sluice valve after taking out the wedge from the body by fixing of bonnet and fixing of M.S. Plate after drilling of holes as per the holes of top flange of bonnet for operation of header line.

Supply of gland

Supply of gland bolts

Supply of wheel & nut for gear box.

Supply of gasket

Supply of nut bolts & washers

Supply of gland packing

Cleaning & repairing of SS spindle threads as required by the job.

Repairing of gear drive arrangement by opening of both gears from gear box. Fixing of bush as required for smooth functioning of gear box including cleaning, greasing and fixing the same on the sluice valve.

Fixing of complete wedge in Sluice valve body with proper matching of both the seat rings of body & wedge rings, fixing of spindle, fixing of bonnet after replacing of gasket & damaged nut bolts/studs, fixing of gland top with the help of long boom crane & heavy labour arrangement etc & tightening of nut bolts with spanner, fixing of Gland packing and Gland Plate etc. with the help of manual labour arrangement etc. as required by job. Taking trial run of sluice valve as required by deptt.

M G Traders and Engineers