Section 121 in The Punjab Scheduled Roads and Controlled Areas Restriction of Unregulated Development Rules, 1965
121. Size of down pipes [Sections 8(2) and 25(2)(f)].
- A down pipe of minimum area of 12 square inches shall be provided for every 500 square feet of the flat roof area (slope of roof being 1 : 48) or for every 1,000 square feet of sloping roof area (slope of roof exceeding 1 : 48).
