Government Approvals

Specification for HDPE Cover Blocks has been fixed as follows :

Cover Block should made of High Density Polyethylene (HDPE) & Low Density Polyethylene(LDPE)
Melting Point of cover Block should be in between 140 to 165 C.
Density should be between 0.90 g/cc to 1.10 g/cc.
Chloride Content (%) must not be more than 0.100.
Ash Content must not be more than 1.5%.

Specification for PVC Cover Blocks has been fixed as follows :

As per IS456: 2000 Section 12.3.2 the details for Cover are as follows :

Section 12.3.2 Page 26.
Tolerance for Cover.
Unless specified otherwise, actual concrete cover should not deviate from the required nominal cover +1.0mm.
Spacers, cover blocks should be made of concrete of same strength or PVC.
Accurate Reinforcement Cover means right protection to the steel Reinforcement and less Maintenance to building.

Quality Control :

Dimensional Check on Sampling Basis with help of Vernere Caliper(In Works):1 in 100.
Visual Inspection (In Works): on every 1 in 50 sampling basis.
Compressive Load Test (Lab Test): On every Lot basis.
Melting Point (Deg C) (Lab Test): On every lot basis.
Density (g/cc) (Lab Test): On every Lot basis.
Acid Resistance: On every Lot basis.

Ismail Enterprises

282 ECOTECH III UDYOG KENDERA II GR NOIDA, Ecotech Iii, Greater Noida, Uttar Pradesh - 201301, India

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