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Masters Mastery
Chapter 3
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Cards (19)
2%
Recommended slope for horizontal drainage pipes.
1%
Allowable slope for horizontal drainage piping 102 mm or larger in diameter
2 pipe sizes
Vertical installation of double sanitary tees may be used when the barrel of the fitting is at least
larger than the largest side inlet
45°
The bottom of all pipe trenches deeper than the footing of any adjacent building or structure and parallel to it must be at least degrees
0.30 m
Minimum depth of building sewer below the finish ground level
3 m
Maximum spacing of vertical supports for copper tubing.
1.2 m Maximum spacing of vertical supports for lead pipes.
1 m
Intervals of vertical supports for plastic pipes.
1.5 m
Intervals of horizontal supports for cast iron soil pipes.
3 m
Maximum spacing of horizontal supports for CISP exceeding 1.5 meters
0.45 m
Supports for cast iron soil pipes shall be placed within of the hub or joint
1.20 m
Cast iron soil pipes exceeding shall be horizontally supported at least at every other joint.
3 m
Intervals of horizontal supports for screwed pipes 19mm and smaller
3.6 m
Intervals of horizontal supports for screwed pipes 25mm dia and larger
1.8 m
Intervals of horizontal supports for copper tubing 38mm dia and smaller
3 m
Intervals of horizontal supports for copper tubing 51mm dia and larger
0.6 m
Clear height of tunnels above the pipe laid in a trench.
1/2 the depth of trench
or
2.4 m
Maximum length of tunnels.
0.30
m Trenches shall be backfilled in thin layers of above the top of the pipe with clean earth.