02 |
Casting of cast-in-situ bored pile with reinforced cement concrete works (1:1.5:3) to give a minimum Cylinder crushing strength of 25 MPa concrete from a machine mixed typical batch with fresh cement (Holcim ), best quality coarse Sylhet sand (minimum F.M. 2.5) and 20mm down graded crushed stone chips including cost of breaking chips, screening through proper seives, cleaning and washing thoroughly, placing of reinforcement cage in position, mixing the aggregates with mixture machine, casting , rebar protection with polythene (top 750 mm )
, etc. all complete in all respect as per drawing, specification and direction of the Engineer.
500 mm Dia Bored Pile |
11.00 |
M3 |
6550.00 |
72,050.00 |
03 |
Supplying, fabrication and fixing to details as per design deformed bar reinforcement in concrete in accordence with BSTI standard including cutting, straightening and cleaning rusts if any, bending & binding in position , providing spacer blocks of approved type in required number on pre-installed formwork and supply and carriage of all materials, labours, tools, plants, incidentals, etc all complete as per drawing, specification and direction of the Engineer. Supply and fabrication of deformed Bar (fy = 415 Mpa, 60 grade) binding with 24 BWG G.
I. Wire including tack/spot welding of ties at interval of two ties alternately etc. all complete as per design. |
2.00 |
TON |
54122.00 |
108,244.00 |
04 |
Boring/Drilling for cast-in-situ piles upto the required depth and dia as with minimum 6m long temporary steel casing true to vertical, providing bentonite slurry and maintaining water level in the hole, washing the hole for at least 30 minutes clear the hole and make the hole ready for steel casing and concreting, all complete of required 500mm diameter pile up to 21 metre depth as per drawing, specification and direction of the Engineer. |
61.00 |
RM |
520.00 |
31,720.00 |