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80 Terms
Distribution drain lines in leaching beds shall be more than ____ apart on centers.
1.8 m
3 multiple choice options
Each pressure relief valve shall be an approved automatic type with drain and each such relief valve shall be set at a pressure of not more than _____ kpa.
1033
3 multiple choice options
In an air test, the air is forced into the pipe system until there is a uniform gauge pressure of _____ kpa or sufficient to balance a column of mercury 254 mm in height
34.5
3 multiple choice options
The public sewer may be considered as not being available when such public sewer or any exterior drainage facility connected thereto is located more than _____ m from any proposed building or exterior drainage facility on any lot or premises thereat.
61
3 multiple choice options
Tunnels shall have a clear height of _____ m above the pipe and shall be limited in length to 1/2 the depth of trench, with a maximum length of 2.4 meters.
0.6 m
3 multiple choice options
Retention time of commercial kitchen waste
2.5 hours
3 multiple choice options
No standpipe receptor for any clotheswasher shall extend more than _____ m nor less than 0.45 m above its trap.
0.8
3 multiple choice options
The width of a continuous and indelibly colored stripe in copper tubing.
6.4 mm
3 multiple choice options
Restaurant kitchen and other special-use sinks may be made of approved-type bonderized and galvanized sheet steel of not less than Gauge No. _____.
16
3 multiple choice options
Distance of Building or structures to Building Sewer (answer in meters)
0.60 m
3 multiple choice options
When disposal fields and/or seepage pits are installed in sloping ground, the minimum horizontal distance between any part of the leaching system and ground surface shall be _____.
4.6 m
3 multiple choice options
The diameter of an individual vent shall not be less than _____ mm nor less than 1/2 the diameter of the drain to which it is connected.
32
3 multiple choice options
When the quantity of sewage exceeds the amount that can be disposed in a _____ meter of each line, a dosing tank shall be used.
152.4 m
3 multiple choice options
Fixtures that also serves as a vent for not to exceed _____ fixtures.
4
3 multiple choice options
The vacuum breaker shall be installed at the discharge side of the flushometer valve with the critical level at least _____ mm.
152
3 multiple choice options
Distance of Septic Tank to to Water Supply wells
15.2 m
3 multiple choice options
A _____ kpa air pressure may be substituted for the water test.
344.5
3 multiple choice options
Support trap arms in excess of _____ feet in length as close as possible to the trap.
3
3 multiple choice options
The arch or dome of seepage pit shall be an approved type one or two piece reinforced concrete slab of ____ minimum compressive strength.
2500 psi
3 multiple choice options
Each seepage pit shall have a minimum sidewall of _____ below the inlet.
3 m
3 multiple choice options
No galvanized wrought iron or galvanized steel pipe shall be used underground and shall be kept at least _____ mm above ground.
152
3 multiple choice options
Water pipe joints shall be installed not less than _____ m away from sewer line in both directions.
3
3 multiple choice options
The yoke vent connection with the vent stack shall be placed not less than _____ m above the floor level.
1
3 multiple choice options
The sand interceptor shall have a minimum dimension of _____ m^2 for the net free opening of the inlet section.
0.2
3 multiple choice options
Water closets shall be computed as _____ fixture units when determining septic tank size.
6
3 multiple choice options
Interceptors shall be of approved design and be of not less than _____ compartments.
2
3 multiple choice options
The corresponding maximum trap loading pipe size for fixture unit 3 (answer in mm)
38
3 multiple choice options
Trenches shall be back-filled in thin layers of _____ m.
0.3
3 multiple choice options
Cleanout size of 64 mm pipe. (answer in mm)
64
3 multiple choice options
Interceptors for sand and similar heavy solids shall have a water seal of not less than _____ mm deep.
152
3 multiple choice options
No underfloor cleanout in any residential occupancy shall be located more than _____ m from an access door, trap door or crawl hole.
6.1
3 multiple choice options
Where there is exposure to skin contamination with poisonous, infectious, or irritating materials, provide 1 lavatory for each _____ persons.
5
3 multiple choice options
The minimum size of any pump discharge or any discharge pipe from a sump having a water closet connected thereto shall not be less than _____ mm diameter.
50.8
3 multiple choice options
Cast iron fittings up to and including _____ mm in size when used in connection with potable water piping shall be galvanized.
51
3 multiple choice options
Each vent opening shall terminate not less than _____ m above any openable window, door opening, air intake or vent shaft.
0.9
3 multiple choice options
Before placing filter material or drain lines in a prepared excavation, all smeared or compacted surfaces shall be removed from trenches by raking to a depth of _____ mm.
25.4 mm
3 multiple choice options
If the highest group of the fixtures contains flushometer valves , the pressure for the group should not be less than _____.
103.42 kpa
3 multiple choice options
Estimated sewage flow rate for airports per employee
56.8 LpD
3 multiple choice options
The water shall be kept in the pipe system or in the portion under test for at least _____ minutes before inspection starts.
15
3 multiple choice options
All septic tank covers shall be capable of supporting an earth load of not less than _____ when the maximum coverage does not exceed 9m.
14.4 kpa
3 multiple choice options
Backflow prevention for hot water over ____ deg. C shall be a listed type assembly.
43.3
3 multiple choice options
(Septic Tank) The liquid depth shall be not less than ______ nor more than _____.
0.6 m to 1.8 m
3 multiple choice options
For flush tank supplies, the available pressure may not be less than _____.
55.16 kpa
3 multiple choice options
The inlet compartment of any septic tank shall be not less than _____ of the total capacity of the tank.
2/3
3 multiple choice options
Lead pipe shall be supported at intervals not exceeding _____ m at centers with a rigid vertical back-up.
1.2
3 multiple choice options
Cleanouts may be omitted on a horizontal drain line less than _____ m in length unless such line is serving sinks or urinals.
1.5
3 multiple choice options
An exposed and readily accessible drawn brass tubing trap, not less than Gauge ___ may be used on fixtures discharging domestic sewage but shall exclude urine.
17
3 multiple choice options
No part of the perimeter of the leaching bed shall be more than ____ from a distribution drain line.
0.9 m
3 multiple choice options
Storage factor for fully equipped commercial kitchen- 16 hours operation
2
3 multiple choice options
Access to each septic tank shall be provided by at least two manholes _____ in minimum dimension.
508 mm
3 multiple choice options
Each vent pipe or stack through roof shall extend its flashing all around and the stack vent shall terminate vertically not less than _____ m above the roof.
0.15
3 multiple choice options
Depth of equivalent area of rectangular gutter = ____ x diameter.
0.392
3 multiple choice options
How many tests cocks does a Double Check Valve Backflow Prevention Assembly have?
4
3 multiple choice options
Water pipes and fittings with a lead content that exceed ___% shall be prohibited and not used in potable piping systems.
8
3 multiple choice options
Water pipes crossing sewer or drainage piping constructed of clay or materials, not approved for use within a building, shall be laid a minimum of _____ m above the sewer or drainpipe.
0.3
3 multiple choice options
Where the local water pressure is in excess of _____ kpa, an approved-type pressure regulator preceded by an adequately sized strainer shall be installed to reduce the pressure on the building side of the regulator to the required supply pressure.
551
3 multiple choice options
Vertical vent pipes for outdoor installations shall extend to at least _____ m distant from any part of the roof that is used for other purposes.
3
3 multiple choice options
When seepage pits are used in combination with disposal fields, the filter material in the trenches shall terminate at least _____ from the pit excavation.
1.5 m
3 multiple choice options
Each grease trap shall have an approved water seal of not less than _____ mm.
51
3 multiple choice options
Side walls of the septic tank shall exceed at least _____ above the liquid depth.
228.6 mm
3 multiple choice options
Each run of pipe which is more than _____ m in total developed length shall be provided with a cleanout.
15
3 multiple choice options
Limit stops shall be provided on such valves and shall be adjusted to deliver hot water with a maximum temperature of _____ deg. C.
48.8
3 multiple choice options
(Vertical wall areas for rainwater piping size) For two adjacent walls, add _____ percent of the total wall areas to the roof area.
35
3 multiple choice options
The developed length between the trap of a water closet or similar fixture measured from the top of closet ring (closet flange) to inner edge of vent shall not exceed _____ m.
1.8
3 multiple choice options
Every abandoned building (house) sewer, or part thereof, shall be plugged or capped in an approved manner within _____ m of the property line.
1.5
3 multiple choice options
The distance to vent of a trap arm 51 mm in diameter. (answer in meters)
1.52
3 multiple choice options
Estimated sewage flow rate for Day Camps (no meals served)
56.8 LpD
3 multiple choice options
Closet rings shall be tightly fastened with corrosive resistant fasteners up to the floor with top surface _____ mm above finish floor.
6.4
3 multiple choice options
An additional cleanout shall be provided on a horizontal line with an aggregate offset angle of direction exceeding _____ degrees.
135
3 multiple choice options
When disposal fields are installed, a minimum of _____ of trench bottom shall be provided for each system exclusive of any hard pan, rock, clay, or other impervious formations.
14 sqm
3 multiple choice options
The minimum wall thickness of any steel tank shall be _____ mm.
2.8 mm
3 multiple choice options
The corresponding maximum trap loading pipe size for fixture unit 6 (answer in mm)
76
3 multiple choice options
Fixture outlets shall not be connected to the horizontal excreta drainage piping system within _____ m of any vertical to horizontal change of direction of a stack containing suds-producing fixtures.
2.4
3 multiple choice options
Minimum thickness of lead safe pan in mm
1.6
3 multiple choice options
Wiped lead joints shall have an exposed surface on each side of a joint not less than _____ mm.
19
3 multiple choice options
Allowable slope of a pipe having a diameter 203 mm or larger is _____%.
0.5
3 multiple choice options
Such tailpiece or connections shall be as short as possible and in no case shall exceed _____ m long.
0.6
3 multiple choice options
In a water test, each section shall be filled with water, but no section shall be tested with less than _____ m head of water.
3
3 multiple choice options
Minimum depth of filter materials under drain lines
304.8 mm
3 multiple choice options
Lead bends and lead traps shall not be less than ____ mm in wall thickness.
3.2
3 multiple choice options
Note 
Flashcards (74)