Construction 2 no.ventilation stopping with door in XVI top seam, 7dip of 400 loco lat at Moonidih Colliery W.J Area .

Construction 2 no.ventilation stopping with door in XVI top seam, 7dip of 400 loco lat at Moonidih Colliery W.J Area .

floor cleaning= A site, 5.10 x 0.50 x 0.30= 0.772m³ B site, 5 x 0.50x 0.30= 0.75 m³, total = 1.52 m³

recess cutting, rock in floor and coal in side A site, (a) sides ( 2.65 x 0.30 x 0.30 x 2 sides)= 0.48 m³. (b) floor ( 0.30+ 5.10+0.30) x 0.50 x 0.20= 0.57 m³ site B, (c) sides ( 2.70 x 0.30 x 0.30 x 2 sides)= 0.49 m³. (d) floor ( 0.30+ 5.00+0.30) x 0.50 x 0.20= 0.56 m³ total (site A+B) = 0.48+ 0.57 + 0.49 + 0.56= 2.10m³

Brick work (1:4)with FPS bricks CD-50 bricks in foundation & plinth. A site up to (a) floor level 5.70 x 0.38 x(0.20+0.25) = 0.43m3 (b) volume of 2 nos of colom, 0.38 x 0.38 x(1.5-.25) x 2colom= 0.36m³ (c) volume of wall, Lenght ( excluding colom and width of door) = (5.7 -0.38-0.38-1.7)= 3.24 m vol= 3.24 x0.25x (1.5-0.25) = 1.01 total volume = 0.97 + 0.36 + 1.01= 2.34m³. B site (a) floor level 5.60 x 0.38 x(0.20+0.25) = 0.96m3 (b) volume of 2 nos of colom, 0.38 x 0.38 x(1.5-0.25) x 2colom= 0.36 (c) volume of wall, Lenght = (5.6 -0.38-0.38-1.7)= 3.14 m vol= 3.14 x0.25x (1.5-0.25) = 0.98m³ total volume = 0.96 + 0.36 + 0.98= 2.30m3. total volume site a +b = 2.34 + 2.30= 4.64m³.

Brick work (1:4)with FPS bricks CD-50 bricks in super structure plinth level up to V-level in all shape & size. A site from (a) volume of 2 nos of colom, 0.38 x 0.38 x(2.65-1.5) x 2colom= 0.33 (b) volume of wall (1.5m to 2.65m including door excluding colom) remaining Lenght = (5.7 -0.38-0.38)= 4.94m vol= 4.94 x0.25x (2.65-1.5) = 1.42m3 (c) less volume for door = 1.7 x 0.25 x (1.7-1.5) = 0.09 total volume= (a+b-c)=0.33+1.42-0.09 =1.66m3. B site (a) volume of 2 nos of colom, 0.38 x 0.38 x(2.7-1.5) x 2 colom= 0.35m3 (b) volume of wall (1.5m to 2.65m including door excluding colom) remaining Lenght = (5.6 -0.38-0.38)= 4.84 m vol= 4.84 x0.25x (2.7-1.5) = 1.45 (c) less volume for door = 1.7 x 0.25 x (1.7-1.5) = 0.09 total volume (a+b-c)=0.35+1.45-0.09=1.71m3 total volume site a +b = 1.66 + 1.71= 3.37m3.

12 mm cement plaster, face of wall, in 2 face of every wall. site A (a) less area of door 1.7 x1.7 =2.89m2. (b) lenght of wall 5.1 +[((0.38-0.250/2)X4]=5.1+0.26=5.36 ht 2.65 area = 5.36x 2.65= 14.20m2 (c) perimeter of door face wall = 1.7+1.7+1.7 =5.1 area =5.1 x(0.25/2)= 0.64 m2 net area of 2 face =2x (b+c-a) =2 x (14.20+ 0.64 - 2.89)= 23.9m2. site B (a) less area of door 1.7 x1.7 =2.89m2. (b) lenght of wall 5.0 +[((0.38-0.250/2)X4]=5.0+0.26=5.26 ht 2.7 area = 5.26x 2.7= 14.20m2 (c) perimeter of door face wall = 1.7+1.7+1.7 =5.1 area =5.1 x(0.25/2)= 0.64 m2 net area of 2 face =2x (b+c-a) =2 x (14.2+ 0.64 - 2.89)= 23.9m² total area site A+ B =23.90 + 23.90=47.80m².

Providing two extra lead including loading,unloading, stacking and carrying of 1000 Bricks,(1 at surface + 1 in UG). carriage of brick,extra 1 number lead @ 436.90/1000, cost of 2 lead = (2x 436.90)/1000= 873.8/1000bricks=0.87/briks number of brick=4.64+3.37=8.01m³, @ 494bricks/m³,number of bricks=3956.94 say 3957

Providing two extra leadfor loading,unloading, stacking and carrying of sand,(1 at surface + 1 in UG) . carriage of sand,extra 1 number lead @ Rs234.05/m³, cost of 2 lead = (2x 234.05)/m³= 468.1/m³ Sand For B/W=8.01m³x 0.26=2.08m³ Sand for plastering= 47.80 m²x0.015=0.72m3 Total= 2.08 + 0.72m³= 2.80m³

Providing two extra lead forloading,unloading, stacking and carrying of cement, (1 at surface + 1 in UG). carriage of cement ,extra 1 number lead @ Rs135.55/te , cost of 2extra lead = (2x 135.55)/te= 271.10/te Cement For B/W=8.01m³x1.9=15.22 bags cement for plaster=(47.8m²x7.5)/100=3.59 bags Total = 15.22 + 3.59 =18.81 bags say 19 bags x50/1000=0.950 te

instalation of doors 02 nos (each dimantion 1.7m x1.7m) from surface to site A ( loading in surface, loawering pit bottom, transport to site, unloading ,position the door for installation and installation the door) 12 man shift is required

Transportation of meterials through winch/ haulage by mine car at 7th dip from Jn.of Loco lataral 400MH ,XVI(T) seam@ 500 bricks/Mine car, sand & other [email protected]/Minecar ,Cement@30bags/Minecar. therefore mine cars required For bricks=3957/500=7.91 Minecar For Sand = 2.80m3/2.20=1.27 Minecar For cement=19bags/30=0.63 Mine-car Total=7.91+1.27+0.63=9.81 say 10 Mine car.

Transportation of empty tubs through winch/ haulage at 4th dip of XVI(B)seam-500MH to Jn.of Loco lataral 500-MH of XVI(B) seam.=10 Mine car

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