Chapter 11

Cards (9)

GA 26 Minimum thickness of galvanized sheet metal for rainwater downspout or conductor located on the exterior side of a low height building.
0.6 meter Rainwater piping commencing
from the exterior of a building may be of suitable approved materials.
102 mm Extension of roof drain strainers above the surface of the roof,
1-1/2 times the area of outlet Minimum total net inlet area of roof drain with dome-type strainers.
2 times the area of outlet Minimum total net inlet area of drain with roof deck strainers.
102 mm/hour Rainfall intensity normally used around Manila area.
0.392 x diameter When gutter has semi-circular bottom, the depth of equivalent area of rectangular gutter.
0.8862 x diameter When gutter has semi-circular bottom, the width of equivalent area of rectangular gutter.
3:1 Ratio of the side dimensions of a rectangular vertical piping.