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Appendix 4
CONSTRUCTION COST ESTIMATES

  Quantity
(m3)
Allow compaction
10%
TotalUnit
price
(BD)
Total
cost
(BD)
A.EARTHWORK     
1.Basic fill under ponds2 5952602 855  4.512 848
 (69.1 × 62.6 × 0.6)     
2.Access road to pond   190  20   210  4.5    945
 (includes ramp)     
     Sub-total       13 793
3.Two ponds2 6402652 905  4.513 073
 (water area 600 m2)     
4.Liner protective   530  50   580  4.5  2 610
 cover - 0.30     
 (two ponds)   Sub-total       15 683
 (subtract cost of one pond if
Hypalon is used with no cover)
   Sub-total       29 476
    Contingency 10%  2 950
    Earthwork total32 426
B.LINERS     
1.15 mm PVC liner880 m2  0.42    370
 (one pond)     
2.Installation880 m2  0.20    176
3.Shipping880 m2  0.41    361
4.Earth cover (included in earthwork = 1.48/m2) 
   PVC - [per m2 = BD 2.51] 
     Sub-total           907
       Including earth cover(2 212)
5.30 mm Hypalon880 m2  1.301 144
 (one pond)     
6.Installation880 m2    .41    361
7.Shipping880 m2    .86    757
   Hypalon - [per m2 BD 2.57]         
     Total2 262

C.DRAINAGE DITCH EXCAVATION0.18 m3lin. m 1502.0/m3     54
      
D.POND MONK WATER OUTLET    
 (Complete with flash boards but no screens)2(including 10%
contingency)
7501 500

E.WATER DISTRIBUTION SYSTEM   
1.Pump1lump sum 1 000
 12 l/s; cast iron,
ss shaft, bronze impeller,
diesel power, on trolley
    
  Diam. LengthBD 
2.PVC piping      100 mm    385 m5   1 925
 outdoor grade,75553.5   193
 thickness as specified50752.5   188
3.Gate valves100    2  60         120
 (copper, with connectors)75  2  45           90
  50  2  35           70
4.FittingsL/S    80           80
 (misc. as required)  Sub-total2 666
 (includes installation above ground)    
5.Lagoon inletL/S       250
   Water system sub-total 3 916
   15% contingency    590
   Water systems total4 506

COST ESTIMATE SUMMARY (BD)

  BasicContingencyTotal
1.Base fill and pond road  13 793  1 380  15 173
2.Ponds (2) with monks and ditches  14 627  1 460  16 087
3.Pond liners (2)   
 (assume all PVC with (earth cover) 2 at 2 212  4 414    440   4 854
4.Water system   
 (includes diesel pump and lagoon intake)  3 916    590   4 506
                        (+ 1 500 electric pump)
   Total40 620

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