Withdrawing, repairing and lowering of P/M set 45KW (60 H.P.) at Patipukur drainage pumping station, Lake Town under Eastern Mechanical Division, PHE Dte.

Amount

Inspection properly by engaging a skilled technician to identify the problems arise at site.

Withdrawing of the above said pumping machinery by necessary hoisting arrangement and engagement of skilled labours after disconnection of all electrical connecions and mechanical portion including pipe line (suction & delivery) as per direction of EIC.

Making blank flange by MS plate with adjusting proper PCD to block the volute casing as per direction of EIC.

Carrying and transportation of the defective pump and line shafts (attached with cardon shaft & universal joint ) from work site Lake Town to workshop for repairing including loading, unloading complete.

Dismantling the pumping machinery part by part to detect the defect.

Making & supply of following items for above pump.

a) S.S (Grade-404) casting of Shaft sleve of size(L-130m.m , O.D-122m.m & I.D-96m.m (similler to worn out sample) with the help of Woddren pattern then shaping turning and drilling to make it suitable for 60 HP Pump.

b) S.S(Grade-404) casting of impeller lock nut with washer (similler to worn out sample) with the help of Woddren pattern then shaping turning and drilling to make it suitable for 60 HP Pump.

Supply & delivery of following items for above pump.

a) Bearing No-9386H-20024 (TIMKEN).

b) Bearing No-JM822049 N-0000 (TIMKEN).

c) Universal joint cross.

d) H.P. Wheel Bearing Grease.

e) Steel Key

f) O Ring (Rubber).

g) Metalic Graphite packing (Make-Champion).

h) Water Guard.

i) Oil Seal.

j) 22m.m dia & 180m.m long stud(S.S) with double nut & washer.

k) 19 m.m dia & 80m.m long S.S stud with nut & washer.

l) 16m.m dia & 80m.m long S.S nut, bolt & washer.

m) Nylo coupling Nut, bolt & washer.

Repairing of pump side coupling first by metalizing, turning then new key way cutting.

Assembly of the 60 H.P. pump with the help of made items of S.L. No.-6 (i.e:a - b) and supplied items of S.L. No - 7(i.e: a-l) along with old servicable spares as per diretion of E.I.C.

Cost of painting of 60H.P p/m set with the help of two layer of prima coating followed by two coats synthetic enamel paint as per direction of E.I.C.

Carrying and transportation of the repaired pump and line shafts (attached with cardon shaft & universal joint ) from workshop to work site including loading, unloading complete.

Lowering the above pumping machinery with necessary lowering arrangement with proper alignment including fixing of 45kw motor on base frame, reconnection of electrical and mechanical connections with pipe line. The cost including cleaning of debris at volute by manual labour as per direction.

Testing the pump & motor set as trial run for 10 hrs and the same for consecutive three days as per direction of E.I.C.

Add: GST @ 18%

Add: LWC @ 1%

CONCORD ENGINEERING (BID ID -5781793)

MENAKA ENTERPRISE (BID ID -5781764)