NIT No.17 Item 01

Arrangement of all required safety equipments i.e safety belts, folding ladders, safety helmets, gum boots, oxygen masks etc for safety of manpower during execution of work. The work is carried out in sewage pumping station.

Repairing/Servicing of Upadhaya Make Suction Sluice Valves of size 600mm Dia of set No 2 & 5 at Rohini Sec-25 SPS by carrying out the following works:- Removing of wheel along with complete gear box from the sluice valve stem, Opening/cutting of all nut bolts/studs of upper dome (Bonnet) of sluice valve body, Yoke and Gland Plate bolts.

Lifting of bonnet with the help of HOT/E.O.T Crane & manual labour arrangement to take it to safer place in the pump house as per site requirement.

Taking out complete wedge from the Sluice Valve body by lifting with the help of HOT/E.O.T Crane. 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.

Supply of Eye bolts. (C.S)

Supply of Gasket. (Rubber IS :638 Type-B)

Supply of nut bolts.

Supply of Gland packing.

Supply of yoke sleeve (GM IS: 18 LTB-2).

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

Cleaning and repairing of Yoke sleeve threads by matching with SS spindle threads for smooth movement of spindle on load.

Fixing of complete wedge in Sluice valve body with proper matching of both the seat rings of body & wedge rings, fixing of yoke, yoke sleeve along with stem, fixing of bonnet after replacing of gasket & damaged nut bolts/studs with the help of lifting 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.

Overhauling of complete gear box of the sluice valve including cleaning, greasing and fixing the same on the sluice valve and taking trial run of sluice valve as required by deptt.

Repairing/Servicing of Upadhaya Make Suction Sluice Valves of size 450mm Dia of set No 6 at Rohini Sec-25 SPS by carrying out the following works:- Removing of wheel along with complete gear box from the sluice valve stem, Opening/cutting of all nut bolts/studs of upper dome (Bonnet) of sluice valve body, Yoke and Gland Plate bolts.

Lifting of bonnet with the help of HOT/E.O.T Crane & manual labour arrangement to take it to safer place in the pump house as per site requirement.

Taking out complete wedge from the Sluice Valve body by lifting with the help of HOT/E.O.T Crane. 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.

Supply of Eye bolts. (C.S)

Supply of Gasket. (Rubber IS :638 Type-B)

Supply of nut bolts.

Supply of Gland packing.

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

Cleaning and repairing of yoke sleeve threads by matching with SS spindle threads for smooth movement of spindle on load.

Fixing of complete wedge in Sluice valve body with proper matching of both the seat rings of body & wedge rings, fixing of yoke, yoke sleeve along with stem, fixing of bonnet after replacing of gasket & damaged nut bolts/studs with the help of lifting 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.

Overhauling of complete gear box of the sluice valve including cleaning, greasing and fixing the same on the sluice valve and taking trial run of sluice valve as required by dept.

Repairing/Servicing of Upadhaya Make delivery Sluice Valves of size 400mm Dia of set No 5 at Rohini Sec-25 SPS by carrying out the following works:- Removing of wheel along with complete gear box from the sluice valve stem, Opening/cutting of all nut bolts/studs of upper dome (Bonnet) of sluice valve body, Yoke and Gland Plate bolts.

Lifting of bonnet with the help of HOT/E.O.T Crane & manual labour arrangement to take it to safer place in the pump house as per site requirement.

Taking out complete wedge from the Sluice Valve body by lifting with the help of HOT/E.O.T Crane. 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.

Supply of Eye bolts. (C.S)

Supply of Gasket. (Rubber IS :638 Type-B)

Supply of nut bolts.

Supply of Gland packing.

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

Cleaning and repairing of yoke sleeve threads by matching with SS spindle threads for smooth movement of spindle on load.

Fixing of complete wedge in Sluice valve body with proper matching of both the seat rings of body & wedge rings, fixing of yoke, yoke sleeve along with stem, fixing of bonnet after replacing of gasket & damaged nut bolts/studs with the help of lifting 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.

Repairing/Servicing of Upadhaya Make delivery Non Return Valves of size 400mm Dia of set No 5 at Rohini Sec-25 SPS by carrying out the following works:- Cutting and opening of all nut bolts of N.R.V body cover plate. Lifting of body cover with the HOT/EOT crane & manual labour arrangement to take it to safer place.

Taking out complete Disc with disc arm & Shaft from the N.R.V body by lifting with the help of HOT/EOT crane & manual labour arrangement. Cleaning of body seat ring of N.R.V from inside by chemical solution and polishing by manual arrangement. Cleaning of disc retaining seat ring by chemical solution, emery paper etc. and polishing as required.

Supply of hinge pin. (SS-410)

Supply of cover bolts & seat. (IS :1367 Class 4.6/4.0)

Supply of Gas kit. (Rubber IS : 638 Type-B)

Supply of bushes for disc holding shaft. (GM IS :318 LTB-2)

Supply of Disc holding shaft. (SS-410).

Renovation of NRV disc with arms by fixing of new bushes in the bore as per the size of NRV shaft. The job includes removing of worn out seat & making of proper size & fixing of new bushes.

Fixing of complete disc with arm, shaft in N.R.V body by proper matching of both the seat rings of body & disc , Fixing of body cover with the help of HOT/EOT crane & manual labour arrangement etc after replacing of rubber gasket & damaged nut bolts & tightening of nut bolts with spanner etc. as required by job.

Repairing/Servicing of Upadhaya Make delivery Non Return Valves of size 350mm Dia of set No 6 at Rohini Sec-25 SPS by carrying out the following works:- Cutting and opening of all nut bolts of N.R.V body cover plate. Lifting of body cover with the HOT/EOT crane & manual labour arrangement to take it to safer place.

Taking out complete Disc with disc arm & Shaft from the N.R.V body by lifting with the help of HOT/EOT crane & manual labour arrangement. Cleaning of body seat ring of N.R.V from inside by chemical solution and polishing by manual arrangement. Cleaning of disc retaining seat ring by chemical solution, emery paper etc. and polishing as required.

Supply of hinge pin. (SS-410)

Supply of cover bolts & seat. (IS :1367 Class 4.6/4.0)

Supply of Gas kit. (Rubber IS : 638 Type-B)

Supply of bushes for disc holding shaft. (GM IS :318 LTB-2)

Supply of Disc holding shaft. (SS-410).

Renovation of NRV disc with arms by fixing of new bushes in the bore as per the size of NRV shaft. The job includes removing of worn out seat & making of proper size & fixing of new bushes.

Fixing of complete disc with arm, shaft in N.R.V body by proper matching of both the seat rings of body & disc , Fixing of body cover with the help of HOT/EOT crane & manual labour arrangement etc after replacing of rubber gasket & damaged nut bolts & tightening of nut bolts with spanner etc. as required by job.

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