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Masters Mastery
Chapter 7
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Cards (22)
152 mm
Minimum clearance of galvanized wrought iron or galvanized steel pipe above ground
0.30 m
Minimum depth of vitrified clay pipes or fittings below the ground
2%
Allowable grade for the threads of draining fittings
6
F.U. Fixture unit rating of clotheswasher in groups of 3.
2
F.U. Fixture unit rating for every 0.063 L/s of continuous flow from sump pump or ejector.
15 m
Intervals of cleanouts on each run of piping more than 15 meters in total developed length.
less than 1.5 m
Length of horizontal drain line where cleanouts may be omitted, except in lines serving sinks or urinals.
72°
or less Slope of short horizontal drainage pipe where cleanouts may be omitted.
exceeding 135°
Aggregate offset angle to be provided with an additional cleanout.
305 mm
Front clearance for cleanouts 51 mm or less.
450 mm
Front clearance for cleanouts larger than 51 mm.
0.45m
vertical;
0.75m
horizontal Clearances from the means of access for cleanouts installed in underground piping.
6.1 m
Maximum distance of underfloor cleanout from an access door, trap door or crawl hole.
50.8 mm
Minimum size of pump discharge pipe from a sump having a water closet.
51 mm
Minimum distance of the invert of the lowest inlet above the high water or "starting" level of sumps and receiving tanks.
51 mm dia
Minimum size of vent for sumps and receiving tanks.
3 kg/m
Minimum air pressure to be maintained for each meter of height the sewage is raised
2.4 m
Distance within the vertical to horizontal change of a stack containing suds-producing fixtures where no drainage connection shall be made.
4
Number of water closets or
6
fixture unit-traps allowed on any vertical stack
3
Number of water closets or
6
fixture unit-traps allowed on any horizontal branch or drain.
32 mm dia
Minimum diameter of an individual vent, or not less than ½ of the diameter of the drain.
1/3 Fraction
of the total permitted length of any vent allowed to be installed in a horizontal position.