Repairing of Headgear Structure of PIT No.02 of Chinakuri Mine-I Colliery under Sodepur Area

Amount

Items Description

Repairing of Headgear Structure of PIT No.02 of Chinakuri Mine-I Colliery under Sodepur Area

Dismantling and lowering old and damaged side plates, channels and angles of headgear pulley platform.( Requirement of Manpower category wise: Highly Skilled-04 nos., Skilled-04 nos. and Semi Skilled-40 for 04 shift )

Fabrication and lifting new side plates, channels and angles of headgear pulley platform.(Requirement of Manpower category wise: Highly Skilled-05 nos., Skilled-05 nos. and Semi Skilled-50 for 05 shift)

Headgear pulley platform fabrication and alignment of headgear pulley guarder maintaining required fleet angle ( Requirement of Manpower category wise: Highly Skilled-04 nos., Skilled-04 nos. and Semi Skilled-40 for 04 shift )

Dismantling of old and damaged fencing of the headgear pulley platform and erection/ fabrication of fresh fencing.( Requirement of Manpower category wise: Highly Skilled-04 nos., Skilled-04 nos. and Semi Skilled-40 for 04 shift )

Anchoring of four guide ropes (opposite to the winding engine room side) by placing guarder and clamps on it as well as on headgear pulley platform.( Requirement of Manpower category wise: Highly Skilled-04 nos., Skilled-04 nos. and Semi Skilled-40 for 04 shift )

De-clamping of the guide rope from guide rope platform.(Requirement of Manpower category wise: Highly Skilled-05 nos., Skilled-05 nos. and Semi Skilled-50 for 05 shift)

Dismantling and lowering of old bell plate guarder from platform/ guide rope platform.(Requirement of Manpower category wise: Highly Skilled-03 nos., Skilled-03 nos. and Semi Skilled-30 for 03 shift)

Dismantling and lowering of guide rope guarder and the remaining part the bell plate/ guide rope platform. ( Requirement of Manpower category wise: Highly Skilled-04 nos., Skilled-04 nos. and Semi Skilled-40 for 04 shift )

Fabrication of scaffolding platform with suitable ladderway for safe work at height. ( Requirement of Manpower category wise: Highly Skilled-04 nos., Skilled-04 nos. and Semi Skilled-40 for 04 shift )

Dismantling and lowering of guide rope guarder rest platform from four side. ( Requirement of Manpower category wise: Highly Skilled-06 nos., Skilled-06 nos. and Semi Skilled-60 for 06 shift )

Fabrication, lifting and installation of guide rope guarder rest platform from four side.( Requirement of Manpower category wise: Highly Skilled-12 nos., Skilled-12 nos. and Semi Skilled-120 for 12 shift )

Lifting and installation 4nos. guide rope guarder, 2nos. bell plate guarder and covering platform.( Requirement of Manpower category wise: Highly Skilled-14 nos., Skilled-14 nos. and Semi Skilled-140 for 14 shift )

Dismantling of guide rope platform back stay side beam/ member.( Requirement of Manpower category wise: Highly Skilled-05 nos., Skilled-05 nos. and Semi Skilled-50 for 5 shift )

Fabrication, lifting and installation of guide rope platform back stay side beam/ member.( Requirement of Manpower category wise: Highly Skilled-10 nos., Skilled-10 nos. and Semi Skilled-100 for 10 shift )

Dismantling and lowering of 6nos. of truss member and 12nos. of cross members.( Requirement of Manpower category wise: Highly Skilled-14 nos., Skilled-14 nos. and Semi Skilled-140 for 14 shift )

Fabrication, lifting and installation of 6nos. of truss member and 12nos. of cross members by pneumatic riveting/ machine riveting.( Requirement of Manpower category wise: Highly Skilled-26 nos., Skilled-26 nos. and Semi Skilled-260 for 26 shift )

Clamping 4nos. guide rope with guide rope platform guarder and release from pulley platform.( Requirement of Manpower category wise: Highly Skilled-04 nos., Skilled-04 nos. and Semi Skilled-40 for 04 shift )

Installation of 2nos. of guide ropes and clamping with guide rope guarder.( Requirement of Manpower category wise: Highly Skilled-04 nos., Skilled-04 nos. and Semi Skilled-40 for 04 shift )

Lowering and replacement of 2nos. of guide ropes.( Requirement of Manpower category wise: Highly Skilled-10 nos., Skilled-10 nos. and Semi Skilled-120 for 12 shift )

Replacement of 2nos. of winding ropes.( Requirement of Manpower category wise: Highly Skilled-05 nos., Skilled-05 nos. and Semi Skilled-60 for 05 shift )

Removal of existing Air lock.( Requirement of Manpower category wise: Highly Skilled-04 nos., Skilled-04 nos. and Semi Skilled-40 for 04 shift )

Fabrication and installation of 2nos. Air locks.( Requirement of Manpower category wise: Highly Skilled-26 nos., Skilled-26 nos. and Semi Skilled-208 for 26 shift )

Both side fencing of both the ladder, from pit top to guide rope platform and from guide rope platform to headgear pulley platform.( Requirement of Manpower category wise: Highly Skilled-10 nos., Skilled-10 nos. and Semi Skilled-100 for 10 shift )

Cutting 6mm plate 10/5ft and banding and cutting 3nos. flat 25mm size 10ft length banding horns punching hole and fixing with rivet.( Requirement of Manpower category wise: Highly Skilled-07 nos., Skilled-07 nos. and Semi Skilled-70 for 10 shift )

Dismantle tandan cage and lowering winding rope pit top to pit bottom.( Requirement of Manpower category wise: Highly Skilled-03 nos., Skilled-03 nos. and Semi Skilled-30 for 03 shift )

Lowering bucket pit top to pit bottom and manually transporting pit bottom 2pit to pit bottom 1pit and suspension gear 3nos and installation bucket to winding rope.( Requirement of Manpower category wise: Highly Skilled-04 nos., Skilled-04 nos. and Semi Skilled-40 for 04 shift )

Rivet 5/8 Size

HT Nut and Bolt 3/4 X 3"

Welding Rod LT 011

DA Cylinder

Oxygen Cylinder

White Metal

Binding wire

overhead cost and others

Total impact of GST for the purpose of CTC