Wednesday 8 February 2017

PRICES OF BUILDING MATERIALS

Minimum Rebar Hook & Bend Allowance

1.   For Mild Steel Bars Complying With BS 4449 (unless otherwise required by Engineer)
     Bar size (D), mm
         Hook allowance (9D),mm
         Bend allowance (5D),mm
         Rebar lapping (40D), mm
         Tying allowance (24D), mm
  6
100
100
240
144
  8
100
100
320
192
 10
100
100
400
240
 12     16       20     25      32       40
110       150       180       230       290        360
100       100       100       130       160        200
480       640       800       1000     1280     1600
288       384       480        600       768       960
2.   For High Yield Bars Complying With BS 4449 or BS 4461 (unless otherwise required by Engineer)
      Bar size (D), mm
         Hook allowance (11D),mm
         Bend allowance (5.5D),mm
         Rebar lapping (40D), mm
         Tying allowance (24D), mm
  6
100
100
240
144
  8
100
100
320
192
 10
100
100
400
240
12       16      20      25      32      40
140       180       220       280       360        440
100       100       110       140       180        220
480       640       800       1000     1280     1600
288       384       480        600       768       960
These dimensions are nominal minimums but may vary due to cutting tolerance.

Weight of Building Materials

(A)
    1
    2
    3
   
    4



    5



   (B)
    1
    2
    3
    4

   (C)
   

   (D)


   (E)
    1
    2
    3

   (F)
    1
    2
    3
    4


   (G)
    1
    2
    3
    4
    5

   (H)


    (I)
    1
    2

   (J)

   (K)   
   (L)
    1
    2
    3
    4
    5
    6
    7
 
  (M)
    1
    2

   (N)
    1
    2
    3

  (O)   1
   2
BLOCKWORK, WALLING
Clay, hollow per 1" thick
Concrete, per 1" thick
Concrete, solid per 1" thick

Lightweight Concrete
Hollow per 1 thick
Solid per 1 thick

Breeze Block
3" thick
4" thick

BRICKWORK
Common brick
Glazed
Heavy Pressed Brick
Engineering, Dense

GLASS
Per 1/4" of thickness

GLASS FIBER
Thermal Insulation 1" thickness

GLAZING, PATENT
1/4 " Glass including lead covered
Steel bars at 24" centres
Aluminium Alloy bars at 24" centres

PLASTER
Acoustic 1/2" thick
Fibrous 5/8" thick
Gypsum 1/2" thick
Lime 1/2" thick
*(Add 1.3 lb/sq. ft for wood or metal lathing)

CONCRETE
Natural Aggregates
Brick
Clinker
Pumice
Reinforced Concrete (about 2% steel)

COPPER ROOFING SHEET
24 S.W.G as laid

CORRUGATED STEEL SHEETING
Galvanised 18 B.G as laid
Protected 20 B.G as laid

CAST IRON

STEEL, MILD

STONE
Bath Stone
Portland Stone
Marble
Sandstone, medium
Granite, medium
Ballast
Gravel

TILING ROOF
Clay or concrete roof, plain laid to 4" gauge 63.5
Concrete roof,interlocking

TIMBER, SEASONED
Hardwoods Teak,Oak
Pitchpine (longleaf dense)
Softwoods Pine, Spruce, Douglas Fir

SAND
Dry sand, fine
Dry sand, coarse
WEIGHT
25.9 kg/sq.m
34.7 kg/sq.m
54.7 kg/sq.m


25.9 kg/sq.m
32.2 kg/sq.m


43.9 kg/sq.m
53.2 kg/sq.m


2002 kg/cu.m
2082 kg/cu.m
2243 kg/cu.m
2403 kg/cu.m


17.1 kg/sq.m


0.5 kg/sq.m



29.3 kg/sq.m
19.5 kg/sq.m


9.8 kg/sq.m
14.6 kg/sq.m
21.9 kg/sq.m
24.4 kg/sq.m



2307 kg/cu.m
2002 kg/cu.m
1522 kg/cu.m
1121 kg/cu.m
2403 kg/cu.m


6.5 kg/sq.m


13.7 kg/sq.m
15.6 kg/sq.m

7208 kg/cu.m

7849 kg/cu.m


2082 kg/cu.m
2243 kg/cu.m
2723 kg/cu.m
2323 kg/cu.m
2643 kg/cu.m
1760 kg/cu.m
1920 kg/cu.m


70.8 kg/sq.m
48.8 kg/sq.m


720.8 kg/cu.m
672.8 kg/cu.m
480.6 kg/cu.m


1.28 tonne/cu.m
1.60 tonne/cu.m