WELL SINKING



  WELL SINKING (ANALYSIS OF RATES 2006)
Sl. No Description Quantity
Required 		 Unit Rate
Rs.      P		 Amount
Rs.       P		 Remarks
(1) (2) (3) (4) (5) (6) (7)
1 Sinking 90 Cm dia well in ordinary soil including supply of earthen rings depth not exceeding 4.55m including filling sides with puddle clay per 1 Metre Data for 0.3048 M          
a) Labour          
  Well sinker 0.5 Each 65 32.50  
  Man Mulia 1 Each 55 55.00  
  Filling the space with stiff clay & watering       10.47  
  Earthen ring over 90 cm. Dia 2.5 Each 30 75.00  
  Earthen ring over 10.05 m 2.50% Each 32 80.00  
b) Overhead Charges @10% on (a)       25.30  
  Total (a+b) =       278.27  
  Rate per 1 M (278.27 / 0.3048) =       912.95  
           Say 912.90/RM  
2 Sinking 90 Cm dia well in ordinary soil including supply of earthen rings depth not exceeding 4.55m including filling sides with puddle clay
per 1 Metre Data for 0.3048 M		          
a) Labour          
  Well sinker 0.5 Each 65 32.50  
  Man Mulia 1 Each 55 55.00  
  Filling the space with stiff clay & watering       10.47  
  Earthen ring over 90 cm. Dia 2.5 Each 30 75.00  
  Earthen ring over 10.05 m 2.50% Each 32 80.00  
b) Overhead Charges @10% on (a)       25.30  
  Total (a+b) =       278.27  
  Rate per 1 M (278.27 / 0.3048) =       912.95  
           Say 912.90/RM  
2 Sinking 90 Cm dia well in ordinary soil including supply of earthen rings depth from 4.80m to 9.10 m deep. per 1 Metre Data for 0.3048 M          
  Rate as per item No.1       278.27  
  Add extra labour       20.68  
  Total=       298.95  
  Rate per 1 M (298.95 / 0.3048) =       980.80  
                    Say 980.80/RM
3 Sinking 90 Cm dia well in ordinary soil including supply of earthen rings depth from 9.90m to 13.70 m deep. per 1 Metre Data for 0.3048 M          
  Rate as per item No.1       278.27  
  Add extra labour       35.84  
  Total=       314.11  
  Rate per 1 M (314.11/ 0.3048) =       1030.53  
                 Say 1030.50/RM
4 Sinking 90 Cm dia well in hard soil not exceeding 4.55m deep. per 1 Metre Data for 0.3048 M          
  Rate as per item No.1       278.27  
  Add extra labour       20.68  
  Total=       298.95  
  Rate per 1 M (298.95/ 0.3048) =       980.80  
                    Say 980.80/RM
5 Sinking 90 Cm dia well in hard soil including supply of earthen ring depth from 4.80m to 9.10m deep. per 1 Metre Data for 0.3048 M          
  Rate as per item No.4       298.95  
  Add extra labour       28.30  
  Total=       327.25  
  Rate per 1 M (327.25/ 0.3048) =       1073.65  
                  Say 1073.60/RM
6 Sinking 90 Cm dia well in hard soil including supply of earthen ring depth from 9.90m to 13.70m deep. per 1 Metre Data for 0.3048 M          
  Rate as per item No.3       314.11  
  Add extra labour       28.30  
  Total=       342.41  
  Rate per 1 M (342.41/ 0.3048) =       1123.38  
                  Say 1123.40/RM
7 Sinking masonry well 1.50 M dia in ordinary soil upto 4.55M deep (Labour only)per 1 Metre Data for 0.3048 M          
a) Labour          
  Well sinker(Open well) 0.5 Each 65.00 32.50  
  Man Mulia to dig trenches 2.5 Each 55.00 137.50  
b) Overhead Charges @ 10% on (a)       17.00  
c) 2% Sundries T & P etc. on (a)       3.40  
  Total (a+b+c)=       190.40  
  Rate per 1 M= 190.40 / 0.3048       624.67  
                   Say 624.70/RM
8 Sinking 1.50 M dia masonry well in hard soil upto 4.55m deep (Labour). per 1 Metre  Data for 0.3048 M          
  Rate as per item No.7       190  
  Add extra labour for hard soil       21.21  
  Total =       211.21  
  Rate per 1 M = 211.61 / 0.3048       694.26  
                     Say 694.30/RM
9 Sinking masonry well 1.50 M dia in ordinary soil from 4.80M to 9.10 m (Labour only) per 1 Metre Data for 0.3048 M          
a) Labour          
  Well sinker 0.75 Each 65.00 48.75  
  Man Mulia to dig trenches and remove earth 3.5 Each 55.00 192.50  
b) Overhead Charges @ 10% on (a)       24.13  
c) 2% Sundries T & P etc. on (a)       4.83  
  Total (a+b+c)=       270.20  
  Rate per 1 M 270.20 / 0.3048 =       886.48  
          Say 886.50/RM  
10 Sinking masonry well 1.50 M dia in hard soil from 4.80m to 9.10m deep (Labour only). per 1 Metre Data for 0.3048 M          
a) Rate as per item No.9       270.2  
  Add extra labour for hard soil 0.75 Each 65.00 30.19  
  Total =       300.39  
  Rate per 1 M 300.39 / 0.3048 =       985.53  
          Say 985.50/RM  
11 Sinking masonry well 1.50 M dia in hard soil from 4.80m to 9.10m deep (Labour only). per 1 Metre Data for 0.3048 M          
a) Labour          
  Well sinker 1 Each 65.00 65.00  
  Man Mulia to dig and remove earth 4.75 Each 55.00 261.25  
  Overhead Charges @ 10% on (a)       32.63  
  2% Sundries T & P etc. on (a)       6.53  
  Total (a+b+c)=       365.40  
  Rate per 1 M 365.40 / 0.3048 =       1198.82  
          Say 1198.80/RM  
12 Sinking masonry well 1.50 M dia in hard soil from 9.90m to 13.70m deep (Labour only). per 1 Metre Data for 0.3048 M          
  Rate as per item No.11       365.40  
  Add extra labour for hard soil       37.74  
  Total=       403.14  
  Rate per 1 M 403.14 / 0.3048 =       1322.64  
          Say 1322.60/RM  
13 Construction of 6m. Dia R.C.C. well sinking in soft rock to lines levels and plumb by scooping out from inside and below the steining including cost of hire and running charges of tools and plants and supplying & working of pumps bailing out of water and removal of all material and obstacle from inside the well by divers etc. including precuation against shifting and tilting disposal of the soil with all leads and lift etc. complete as directed by the Engineer-in charges (Labour only ) Per 1 meter Soft Rock          
  0.52M. Depth          
  Sinker Special 48 Nos      
  Helper 18 Nos      
  Unskilled labour 72 Nos      
  1.11M. Depth   Nos      
  Sinker Special 72 Nos      
  Helper 27 Nos      
  Unskilled labour 108 Nos      
  0.500M. Depth   Nos      
  Sinker Special 48 Nos      
  Helper 18 Nos      
  Unskilled labour 72 Nos      
  Total for 2.13 M depth   Nos      
  Sinker Special ( 48+72+48 ) = 168 Nos      
  Helper ( 18+27+18 ) = 63 Nos      
  Unskilled labour ( 72+108+72 ) = 252 Nos      
  Sinker Special 168 Nos 170.00 28560.00  
  Helper 63 Nos 80.00 5040.00  
  Unskilled labour 252 Nos 55.00 13860.00  
  2.13 M depth Amount       47460  
  For 1.00 M average 47460.00 / 2.13       22281.69  
          Say Rs.22281.7  
  Machineries          
  Air compressor 8 hour per day 6days×8=48 hours @Rs.206/h 48 Hour 206.00 9888.00  
  Diesel 6×40=240 ltrs, @Rs.34/lit 240 Lit 34.00 8160.00  
  Mobil 6×1=6litrs@Rs.90/litr 6 Lit 90.00 540.00  
  Jack hammer6×8=48 Hour @Rs15/litrs/hour 48 Hour 15.00 720.00  
  Ropes, Sundries, Tools & Plants 6×30.00       180.00  
          Total 19488.00  
  Air compressor 8 hour per day 9×8=72 hours @Rs.206/hour 72 Hour 206.00 14832.00  
  Diesel 9×40=360 ltrs, @Rs.34/lit 360 Lit 34.00 12240.00  
  Mobil 9×1=9litrs@Rs.90/litr 9 Lit 90.00 810.00  
  Jack hammer9×8=72 Hour @Rs15/litrs/hour 72 Hour 15.00 1080.00  
  Ropes, Sundries, Tools & Plants 9×30.00       270.00  
          Total 29232.00  
  Air compressor 8 hour per day 6×8=48 hours @Rs.206/h 48 Hour 206.00 9888.00  
  Diesel 6×40=240 ltrs, @Rs.34/lit 240 Lit 34.00 8160.00  
  Mobil 6×1=6litrs@Rs.90/litr 6 Lit 90.00 540.00  
  Jack hammer6×8=48 Hour @Rs15/litrs/hour 48 Hour 15.00 720.00  
  Ropes, Sundries, Tools & Plants 6×30.00       180.00  
        Total 19488.00  
  0.52M Depth       19488.00  
  1.11M Depth       29232.00  
  0.50 M depth       19488.00  
  2.13 M depth     Total 68208.00  
  2.13M depth of sinking amounts       68208.00  
  1 m ave = 68208 / 2.13 = 32022.54        
    or say        
    32022.50        
  Labour       22281.70  
  Machineries       32022.50  
        Total 54304.20  
  Construction of 6m. Dia R.C.C. well sinking in hard rock to lines levels and lumb by scooping out from inside and below the steining including cost of hire and running charges of tools and plants and supplying & working of pumps bailing out of water and removal of all material and obstacle from inside the well by divers etc. including precuation against shifting and tilting disposal of the soil with all leads and lift etc. complete as directed by the Engineer-in charges (Labour only ) Per 1 Metre          
  Sinker Special 8×7= 56 Nos     for
0.40m
depth
  Helper 3×7= 21 Nos    
  Labour 12×7= 84 Nos    
  Sinker Special 8×8= 64 Nos     for
0.36m
depth
  Helper 3×8= 24 Nos    
  Labour 12×8= 96 Nos    
  Sinker Special 8×5= 40 Nos     for
0.27m
depth
  Helper 3×5= 15 Nos    
  Labour 12×5= 60 Nos    
    Total       1.03m
             
    ABSTRACT        
  Sinker Special 160 Nos 170.00 27200.00  
  Heler 60 Nos 80.00 4800.00  
  Labour 240 Nos 55.00 13200.00  
             
  for total 1.03 M. sinking       45200.00  
  for 1.00 M. depth sinking 45200.00 / 1.03 =       43883.50  
        Or Say 43883.50 / RM  
  Machineries          
  Well 0.40 M. depth          
  Air compressor 8 hour per day          
  8×7 days=56 hours @206.00/h 56 Hour 206.00 11536.00  
  Diesel 7×40=280 ltrs, @Rs.34.00/lit 280 Lit 34.00 9520.00  
  Mobil 7×1=7litrs@Rs.90/litr 7 Lit 90.00 630.00  
  Jack hammer7×8=56 Hour @Rs15/litrs/hour 56 Hour 15.00 840.00  
  Ropes, Sundries, Tools & lant 7×40.00       280.0  
      Total   22806.00  
  Explosive 10 holes /day @30×7×10       2100.00  
        Total = 24906.00  
  Well 0.36 M. depth          
  Air compressor 8 hour per day          
  8×7 days=64 hours @206.00/h 64 Hour 206.00 13184.00  
  Diesel 8×40=320 ltrs, @Rs.34.00/lit 320 Lit 34.00 10880.00  
  Mobil 8×1=8litrs@Rs.90/litr 8 Lit 90.00 720.00  
  Jack hammer8×8=64 Hour @Rs15/litrs/hour 64 Hour 15.00 960.00  
  Ropes, Sundries, Tools & lant 8×40.00       320.00  
      Total   26064.00  
  Explosive 10 holes /day @30×7×10       2400.00  
        Total = 28464.00  
  Well 0.27 M. depth          
  Air compressor 8 hour per day          
  8×5 days=40 hours @206.00/h 40 Hour 206.00 8240.00  
  Diesel 5×40=200 ltrs, @Rs.34.00/lit 200 Lit 34.00 6800.00  
  Mobil 5×1=5litrs@Rs.90/litr 5 Lit 90.00 450.00  
  Jack hammer8×8=64 Hour @Rs15/litrs/hour 64 Hour 15.00 960.00  
  Ropes, Sundries, Tools & lant 5×40.00       200.00  
  Explosive 10 holes /day @30×5×10       1500.00  
      Total   18150.00  
    ABSTRACT        
  Well 0.40 M. depth =     24906.00  
  Well 0.36 M. depth =     28464.00  
  Well 0.27 M. depth =     18150.00  
  For 1.03 M. sinking =     71520.00  
  Hence 1.00 M. sinking =     69436.89  
  or say total cost = =     69436.90  
  Labour =     43883.50  
  Machienries =     69436.90  
    Total     113320.40/RM  

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