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Q: What is the minimum area of opening exceeding which deduction shall be made while preparing bill of quantities for roof covering and cladding?
  • A. 1.0 m²
  • B. 0.5 m²
  • C. 0.4 m²
  • D. 0.2 m²
Correct Answer: Option C - IS : 1200 (part-IX)-1973 • Any opening not exceeding 0.4 m² shall not be deducted and forming such opening requiring cutting shall be enumerated. • Any opening exceeding 0.4 m² shall be deduct and cutting required shall be measured in running meters.
C. IS : 1200 (part-IX)-1973 • Any opening not exceeding 0.4 m² shall not be deducted and forming such opening requiring cutting shall be enumerated. • Any opening exceeding 0.4 m² shall be deduct and cutting required shall be measured in running meters.

Explanations:

IS : 1200 (part-IX)-1973 • Any opening not exceeding 0.4 m² shall not be deducted and forming such opening requiring cutting shall be enumerated. • Any opening exceeding 0.4 m² shall be deduct and cutting required shall be measured in running meters.