Construction of 1 no toilet in belt dip of LHD section near 500MH main line in UG in XVI seam at Moonidih Colliery W.J Area .

Construction of 1 no toilet in belt dip of LHD section near 500MH main line in UG in XVI seam at Moonidih Colliery W.J Area .

Removal of scrap materials in belt dip of LHD section near 500MH main line for making space for toilet : 15 unskilled main shift.

Ddebris cleaning from belt dip of LHD section near 500MH main line for making space for toilet : 12m x 4.8m xvavg ht 0.7mt=40.32m3 For 4m³ debris cleaning, 3 unskilled manshift is required cost /m³ = 3*1367.6/4=Rs.1025.70/m³

Drilling-blasting in floor stone for making tank of toilet =1.2mx1.2mx1.0m=1.44m³ For 10m³ =3skilled (for drillng/blasting)+ 10 unskilled manshift(for mucking) required. Cost /m³=[(3x1436.60)+(10x1367.60)]/10=Rs2390.28/m3

dimention of toilet L= 2.5m w= 2.25m Recess cutting in floor: length (2.5+0.10+0.10) X 0.50m width X 0.30m htX 2 side= 0.81m³ length 2.25 + (2.25-.76) = 3.74x.50 width x 0.30ht= 0.56m³ total recess = 0.81+ 0.56= 1.37m³ analysis For 2 m3=3unskilled manshift is required . cost/m³= 3x1367.60/2= Rs.2051.40/m³

Brick flat soling FPS bricks CD-50 bricks in foundation & plinth:2.25x2.0=4.50m2

3' pcc on floor=2.25x2.0x0.08=0.36m³

Brick work (1:4)with FPS bricks CD-50 bricks in Floor 7 plinth level : For wall=(2.5+2.5+2.25+1.49)x0.25x(1.5+0.3)=8.74X.25X 1.80= 3.93m³

Brick work (1:4)with FPS bricks CD-50 bricks in super structure plinth level up to V-level in all shape & size : (a) volune of door area ht 1.50m to 2.30 width=0.76m vol= 0.76x0.80x0.25=0.15m³ (b) volume of above 1.50m =(2.5+2.5+2.25+2.25)x0.23x(2.3-1.5)=9.50 x0 .25x 0.80= 1.90m³ therefor net volume (excluding door0 =( b-a)= 1.90-0.15=1.75m³

Providing & fixing PAN(comode) including flushing cistern: 1no

12 mm cement plastering (1:6)= (a) outer side =( 2.5+0.25+2.25+0.25+2.5+0.25+2.25+0.25)x2.30 =10.50x 2.30= 24.15m² (b) innier side (2+2.25+2+2.25) x2.3= 8.50x2.30= 19.55m² © less door area 2 times = 1.7x0.76x 2times= 1.29m² (d) area of perimeter of door wall face = (1.7 + 0.76+ 1.70+0.76)x 0.25= 1.23m² = net area = a+b-c+d= 24.15+19.55-1.29+1.23=43.64m² (2.5+2.5+2.25+1.5)x2.30)x2side=35.65m2

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=3.93+1.75=5.68m³, @ 494bricks/m³,number of bricks=2805.92+ 326.37=3132.29=say 3133

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=(3.93+1.75) m³x 0.26=4.39m³ Sand for plastering= 35.65 m²x0.015=0.53m3 sand for flooring = 0.15/10X5.06=0.80m³ Total= 5.44 + 1.89m³= 7.33m³

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=5.68m³x1.9=10.79bags cement for plaster=(35.65m²x7.5)/100=2.67 bags Total = 10.79+ 2.67 = 13.46 bags say 14 bags x50/1000= 0.70 te

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

Total impact of GST for the purpose of CTC