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Gabion Specification (PVC)
Material data:
PVC coated galvanized steel wire: mesh opening 3 1/4 by 4 1/2 inches
* diameter of mesh core wire: 0.1063 inches
* diameter of mesh core wire plus PVC coating: 0.146 inches
* diameter of selvedge core wire: 0.1338 inches
* diameter of selvedge core wire plus PVC coating: 0.173 inches
* diameter of lacing core wire: 0.091 inches
* diameter of lacing core wire plus PVC coating: 0.127 inches
* Zinc coating of wire: finish 5 class 3 zinc coating - ASTM A-641 tested in accordance
with ASTM A370-92.
* tensile of wire: soft temper in accordance with ASTM A-641-92
* weight of zinc coating of wire: shall be determined by ASTM A-90
* core wire for mesh: 0.85 oz/sf of zinc
* core wire for selvedge: 0.90 oz/sf
* core wire for lacing: 0.80 oz/sf
* grade of zinc coating of wire: high grade or special high grade in accordance
with ASTM B-6, Table 1
* uniformity of coating: shall be determined by ASTM A-239
* elongation: not less than 12% in accordance with ASTM A -370-92
* nominal thickness of PVC coating: 0.0216 inches not less than 0.015 inches
All of the above wire diameters are subject to tolerance limit of 0.004 in accordance
with ASTM A-641
Polyvinyl chloride coating (pvc) data:
A. PVC ( Poly Vinyl Chloride) Coating. The coating shall be gray in color and shall
have a nominal thickness of 0.0216 inches but not less than 0.015 inches in
thickness. The protective PVC plastic shall be suitable to resist deleterious effects
from exposure to light, immersion in salt or polluted water and shall not show any
material difference in its initial properties. The PVC compound is also resistant to
attack from acids and resistant to abrasion.
B. Initial properties of the PVC coating shall meet the following requirements:
B.1 Specific Gravity:
According to ASTM D-2287 and ASTM D-792; in the range 1.30 to 1.34
B.2 Tensile Strength:
According to ASTM D-412; not less than 2980 psi
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