ANNEXURE "A"    
Schedule of rates for boring & installation of four nos.new deep tube wells and overhauling the existing wells    
  (within 6.0 km radius from Regional Workshop, Margherita.  
  Estimated depth of the well  = 80 mtrs.(however the depth of boring may vary in different location as per requirement)
  Size of the well                   = 300mmX150mm by   mud   rotary machine      
         
Sl.no. Items of work Unit Rate  Approx.Qtty.(per bore hole) Amount
      per mtr.(in Rs.) (in mtrs.) (in Rs.)
1 Cost of movement of rig,accessories and other  1(one)job.    L.S.  
  ancillery equipment to the site of drilling and          
  removing the same after works        
2 (a) Cost of making test boring in normal alluvial mtr.   80  
  formation.(300 mm)        
  (b)Cost of making test boring in thick boulder and mtr.   60  
  pebble bed.(300mm)        
3 (a)Cost of reaming(Enlarge)in alluviall formation mtr.   80  
  (b) Cost of reaming(Enlarge)in thick bouldeer and  mtr.   45  
  pebble bed.        
4 Cost of lowering of casing pipes and shrouding of  mtr.   80  
  pea-gravel        
5 Cost of development of the well by air compressor hour.   48  
  in complete (per hour basis)        
6 Cost of 150mm NB(MS)ERW steel tube of  mtr.   37  
  commercial quality(B-class) medium duty        
           
7 Cost of 150mm slotted strainer NB(MS)ERW mtr.   20  
  steel tube of commercial type ( vertical slot)(B-class)        
   Slot size-1.5mm to 2.00 mm        
           
8 Cost of supply of MS reducer of size 200mmx150mm nos.   2  
           
9 Development/washing by high pressure compressed air for (24 - 48 hrs.) each well by 100 psi nos.   4  
           
10 Any other cost if any(please specify)         
           
11 Supplying & fitting& installation of submersible pump of  set   LS  
  capacity 400gpm, 80 mtr. Head with each bore well          
  complete with electricals and all accessories in complete         
12 Testing the complete installation for its performance in  each      
  all respect & hand over to the authority        
           
A Total  for single bore well                                              =        
           
B Tota cost for 4(four) nos. bore wells  (4 X 'A')           =         
           
C Washing & overhauling of old existing bore well (80mtr. Depth) = each   4  
           
D Grand Total  (B+C)                                                   =        
           
           
           
  Rupees (in words)  
           
           
        Signature