Construction of 02 Nos Air crossing at 14S66W and 15S66W Junction for reorganisation of Ventilation System in proposed 75W15S and 80W8S development panels in Seam No IV at Kurasia Colliery

Drilling/blasting in roof / sides in stone / drifting and removal of excavated materials by manually and desposal upto 50 m lead. (Item No. 3(b) updated as on 01.04.2025 of GMSOR 2019).

Supporting of roof by manual drilling of holes jamming tightening the roof bolts with bearing plates / W-Straps including carriage of material from nearest district store to working faces within a lead of 500 m. (Item No. 49 updated as on 01.04.2025 of GMSOR 2019).

Groove cutting in roof/floor/side for stopping & Manhole by chisel & Hammer. In coal. (Item No. 2(d) updated as on 01.04.2025 of GMSOR 2019).

Grroove cutting / floor cutting for stopping / Manhole by chisel & Hammer. In Soft Stone. (Item No. 2(b) updated as on 01.04.2025 of GMSOR 2019).

Brick work using bricks of class designation 35m in foundation and plinth with cement mortar 1:6 (1 Cement : 6 fine sand ) including loading unloading the material in to mine car / tub and carriage of materials by manual labour for a lead of 50m both of surface and underground. (Item No. 9 of GMSOR 2016).

Brick work using bricks of class designation 35m in super structure with cement mortar 1:6 (1 Cement : 6 fine sand ) including loading unloading the material in to mine car / tub and caring of materials by manual labour for a lead of 50m both of surface and underground. (Item No. 10 of GMSOR 2016).

Reinforcement cement work 1:2:4 ( 1 cement : 2 sand : 4 stone aggregate 20mm and down gauge) in roof slab, chhajja lintel, beam including vibrating tamping curing etc. and loading, unloading the materials in to mine car/tub and carriage of material by manual labour for a lead of 50 mtr. both at surface and underground but excluding cost of reinforcement. (Item No. 7 of GMSOR 2016).

Steel work in single section including cutting, hosting and fixing in position in R.S. Joints including loading, unloading the materials in to tub and carriage of materials by manual labour for a lead of 50 mtrs both sides at surface and undr ground. (Excluding Material Cost) (Item No. 14 of GMSOR 2016)

12mm thick cement plaster with cement mortar 1:6 (1 cement : 6 fine sand) including loading ,unloading the materials in to mine car /tub and carriage of materials by manual labour for a lead of 50mtrs both at surface and underground. (Item No. 16 of GMSOR 2016)

Carriage of material in UG by manual labour including loading , unloading & stacking for lead of less than 0.50 Km. (for Ist 50 Mtr.) Both side filling along Return Airways by boulder (Item No. 22(b) of GMSOR 2016).

Extra for tub pusing for every 50 mtrs in underground where haulage is not provided (03 lead) For Sand (Rate for 1M3 sand = 3.48, for 03 lead = 3*3.48=10.44/m3) (Item No. 2(d) of GMSOR 2016).

Extra for tub pusing for every 50 mtrs in underground where haulage is not provided (03 lead) For Stone chips (Rate for 1M3 sand = 3.48, for 03 lead = 3*3.48=10.44/m3) (Item No. 25(b) of GMSOR 2016).

Extra for tub pusing for every 50 mtrs in underground where haulage is not provided (03 lead) For Bricks (Rate 2.32/1000(Thousand), 03 lead involved in the works. (29065/1000 = 29.07 Thousand @ 2.32*3=6.96/Thousand) (Item No. 25(c) of GMSOR 2016).

Extra for tub pusing for every 50 mtrs in underground where haulage is not provided (03 lead) For Cement (Rate 1 te = 2.20, for 03 lead = 3*2.20=6.60/te) (Item No. 25(e) of GMSOR 2016).

Extra for tub pusing for every 50 mtrs in underground where haulage is not provided (03 lead) For Steel/Rail (Rate 3.61/ te 03 lead involved in the works 3.61*3 = Rs 10.83/te) (Item No. 25(f) of GMSOR 2016).