1.Repairing of 2 nos. of Idlar for SDL- 944 operational at Parbelia Colliery under Sodepur Area.

Amount

Items Description

1.Repairing of 2 nos. of Idlar for SDL- 944 operational at Parbelia Colliery under Sodepur Area.

G.M bush (o/d 35mm, (D 45, Length 50 mm) to be fitted 2 nos.

seal kit to be fitted on both side of G.M bush set

H.T bolt& nut 1/2”x 2" 4 nos

H.T bolt& nut 3/4””x 2" 4 nos

Bush plate (M.S) on both sides (o/d 200mm, ID 45mm, thickness 62mm) For enclosing the bush seal kit etc 2nos.

Building up by xyron 224 welding rod & machining of cover (C.S) of both side

Building & machining of idler shaft

Building & machining of idler enclose by welding & machining

2.Repairing of conveyor bucket group of SDL machine 944 of Parbelia Colliery under Sodepur Area .

Dismantling of conveyor bucket assembly by removal of pins from arm assembly, and rollback cyll Removing hydraulic circult connections

Dismantling of the push rams, conveyor motor, conveyor frame, flight bar and link assembly etc.

Providing bush for pin holes that connect bucket assy, to arm assy. a. Outer Dia 140mm, length 38mm bore 75mm - 4 nos.

Providing bush for pin holes that connect bucket assy, to arm assy. b.Outer Dia 102mm length 76mm bore 75mm - 2 nos.

Providing Hinges both side that connect Bucket Doors to the Bucket Body.a.Bush required for this purpose - outer Dia 40mm length 254mm bore 30mm - 11 nos.

Providing Hinges both side that connect Bucket Doors to the Bucket Body.b. Steel hinge pin for this purpose - Dia 30m length 2mtr

Providing Teflon Bush fitted on the two limbs of tension bracket - 2 nos.

Providing Gunmetal bush on both ends of sprocket Shaft and tension end shaft - outer dia 75mm length Bore 45mm - 4nos.

Repairing of sprocket- teeth building by welding with C.I rod and machining anos. 4 nos.

Repairing of sprocket shaft and tension end shaft building by welding and machining - 2 nos.

Repairing of sprocket shaft holder and tension bracket building by welding and machining - 2 nos.

Repairing of conveyor frame - building up of different holes by welding and machining

Repairing of bucket body a. Welding after patching up with 8mm thickness MS plate - total size 4' x 4'

Repairing of bucket body b. Welding after fitting MS angles at different places such as on both door sides - size 40mm x40mmx 6mm - 12 ft

Repairing of flight bar and link assembly Supply & Fitting of New bush for center link a. Assy (26x2) and flight bar assy. (13x4) - 104 nos.

Repairing of flight bar and link assembly Supply & Fitting of New bush for center link b. supply & fitting of new bush for outer link assy. (104 × 2) = 208 nos.

Repairing of flight bar and link assembly Supply & Fitting of New bush for center link c. supply & fitting of H.T square head bolt with Nylon lock nut and flat washer - 104nos.

Supply stainless steel bolts 3/4” x 7” with double nut to be used as tension screw of bucket chain conveyor

Supply H.T bolt 1" x 3 X* with nut to be used for fitting conveyor frame with bucket body -9 nos.

Fitting of the push rams, conveyor motor, conveyor frame, flight bar and link assembly

Assembling conveyor bucket assembly by fitting of pins with arm assembly and rollbi machining hydraulic circuit connections

Overhead cost & outhers

Add: CMPF @ 12%

Add: Bonus @ 8.33%

Add: Pension @ 7%

Total impact of GST for the purpose of CTC

B K AND BROS ENTERPRISES (BID ID -1125601)

MOTOPAA SOLUTIONS PRIVATE LIMITED (BID ID -1125625)