SAIL General Technical Specification - Engineering Projects India Ltd.

3.0 STEEL
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General Technical Specification
Water - Once in two months for each source of supply and in other
respects generally as per IS : 456-1978.
Reinforcement - For each consignment within 4 days of delivery in accordance with
I.S. 1786-1985, I.S. 1599-1985 and I.S. 1608-1972.
3.1 For Reinforcement
3.2 Binding wire
Reinforcing bars for concrete shall be round steel bars of the following types as may be
shown on the drawing :
i) Plain mild steel bars conforming to Grade-I of IS : 432-1982 "Mild Steel & Medium
Tensile Steel for Concrete Reinforcement".
ii) "High strength deformed steel bars conforming to IS : 1786-1985 for Concrete
Reinforcement".
iii) Reinforcement fabrics conforming to IS:1566-1982 "Hard Drawn Steel Wire Fabric
for Concrete Reinforcement"
All reinforcement bars shall be of uniform cross sectional area and be free from loose mill
scales, dust, loose rust, coats of paint, oil or other coatings which may destroy or reduce
bond. Further all diameters supplied in coils need to be straightened by mechanical means
using straightening machines as required .Unit weight of reinforcement bars conforming to
I.S. 1786-1985 is as given below.
Nominal Size (Dia) Mass Per Metre Run
(mm) (Kg)
6 0.222
8 0.395
10 0.617
12 0.888
16 1.580
18 2.000
20 2.470
22 2.980
25 3.850
28 4.830
32 6.310
Binding wire for reinforcement shall be annealed steel wire 20 BWG conforming to IS : 280
-1978 "Specification for Mild Steel Wire".
3.3 Light structural work and inserts
Steel for light structural work and for preparation of inserts and embedments shall conform
to IS: 2062-1992 "Steel for general structural purposes - Specification."
Civil
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GS-07