Construction of EPI stopping in 0 level drift near ROK to sealoff drifts gallery of E8 panel (Complete inner wall ) in XVI(B) seam 500MH at Moonidih Colliery W.J Area .

Construction of EPI stopping in 0 level drift near ROK to sealoff drift 's gallery of E8 panel (Complete inner wall ) in XVI(B) seam 500MH at Moonidih Colliery W.J Area .

cleaning= (a) for 1 wall 7.6x 1.1x ((0.40+1.2)/2)= 6.69m³, for 2 wall = 6.69x2 =13.38m³, (b) floor cleaning 4.5m wide 7.6 x4.5x 0.80= 27.36m³ total 40.74m³

recess Cutting (inner and outer wall) in coal and stone = Side cutting in coal =2.60x1.1x1.0 = 2.86m³, number of wall 2, volume= 2.86 x 2 side x 2 wall= 11.44m³. stone in floor= (1+ 7.60 + 1) x 0.40= 3.44m³ volume of work = 3.44 X 2 wall = 6.88m³ total volume = 11.44 + 6.88= 18.32³ .

drilling holes, breaking in roof inner and outer wall. Volume for 1 wall = (1+7.60+1) x1.1= 10.56m² total area of 2 wall= 10.56x 2= 21.12m²

Brick work inner wall (1:4)with FPS bricks CD-50 bricks in foundation & plinth

Brick work (1:4)with FPS bricks CD-50 bricks in super structure plinth level up to V-level in all shape & size

Area of 1 wall 1 face = 7.6X2.6=19.76m² , area of perimeter of galleries 1m wide=(7.6+2.6+7.6+2.6)x 1 =20.40m². total area in 1 face = 19.76+ 20.40= 40.16m². total area= 40.16 x 2face x 2 wall =160.64m²

Providing two extra lead including loading,unloading, stacking and carrying of 1000 Bricks,(1 at surface 657.06+ 1 in UG 717.20). carriage of brick, lead cost of 2 lead = (657.06+ 717.20)/1000= 1374.26/1000bricks= 1.37/briks number of brick=36.48+26.88=63.36m³, @ 494bricks/m³,number of bricks=31299.84 say 31300

Providing two extra leadfor loading,unloading, stacking and carrying of sand,(1 at surface Rs 352+ 1 in UG Rs 384.21) . carriage of sand, cost of 2 lead = (352.00 + 384.21)/m³= 468.1/m³ Sand For B/W=63.36m³x 0.26=16.47m³ Sand for plastering= 160.64m²x0.015=2.41m3 Total=16.47+2.41=18.88m³

Providing two extra lead forloading,unloading, stacking and carrying of cement, (1 at surface Rs 203.86 + 1 in UG Rs 222.52). cost of 2extra lead = (203.86 + 222.52)/te= 271.10/te Cement For B/W=63.36m³x1.9=120.38 bags cement for plaster=(160.64m²x7.5)/100=12.05 bags Total = (120.38+12.05)=132.43 bags say 133 x50/1000=6.65te

Any other stones faces U/G loading into the tubs , pushing the tubs to nearest rail head to site and unloading the same and carrying mannually from point of unloading to 50 m of initial stage of lead,packing the same between two walls systemitacally for less void. TG =7.6x 4.50x2.6=88.92m³

Transporting one 2" & one 6" GI pipes from Surface to pit top,loading into cage,unloading at 400MH pit bottom,transporting manually & by track & haulages up to site and fitting of 2" & 6" GI pipes for air sampling and water seal respectively. Analysis 6 Unskilled manpower required for two pipes.Cost involve/manshift=1402.60*6/2=Rs.4207.80/pipe

Add CP 15% as per clause 4.17.1 of Civil Eng. Manual & BCCL SOR

CMPF, Pension and admin. Charge of Employee Un Skilled

CMPF, Pension and admin. Charge of Employee SemiSkilled

CMPF, Pension and admin. Charge of Employee Skilled

Total impact of GST for the purpose of CTC