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24 Cards in this Set
- Front
- Back
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Does An indirectly connected fixture that can discharge only Clear Water waste other than a drinking fountain needs to be protected by a trap? |
No |
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Minimum depth of effective water seal in an interceptor that is permitted to serve as a trap |
38 mm |
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Where dishwasher is equipped with a drainage pump and discharges directly into the fixture outlet pipe of an adjacent kitchen sink what shall the discharge pipe do |
Rise as high as possible to just under the counter and connect on the inlet side of the sink trap by means of a y fitting or to the disposal unit |
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We're building trap is installed it |
Shall be provided with a clean-out fitting on the Upstream side of and directly over the Trap, is located Upstream of the building clean out, and be located as close as practicable to the place where the building drain leaves the building, or outside the building in a manhole |
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Where is sump or tank receives sewage what shall it be? |
Water and air tight and shall be vented |
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If the equipment in a sump or tank that receives sewage does not operate automatically what shall the capacity of the sump be |
Sufficient to hold at least 24 hour accumulation of liquid |
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What does the discharge pipe from every pumped sump be equipped with |
A union a Backwater valve and a shut off valve installed in that sequence in direction of discharge |
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What kind of backflow preventer can be installed on a building drain for building sewer |
Normally open |
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Minimum size building sewer for a mobile home |
4 inches |
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Sanitary drainage systems and storm Drainage Systems shall be provided with clean-ups that will permit what |
Cleaning of the entire system |
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Where do running traps require a clean-out |
Upstream side and directly over |
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Where do interior leaders require a clean-out fitting |
At the bottom of the leader or not more than three M Upstream from the bottom of the leader |
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When is a manhole required as a clean-out |
When it is on a building sewer 8in or larger in size |
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Where shall a building drain be provided with a clean-out fitting |
As close as practicable to the place where the building drain leaves the building |
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Where shall soil or waste axe be provided with a clean-out fitting |
At the bottom of the stack, not more than three meters Upstream from the bottom of the stack, or on a y fitting connecting the stack to the building drain or branch |
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A clean-out shall be provided to permit the cleaning of the piping ___________ of an interceptor |
Downstream |
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Cleanouts shall be installed so the cumulative change in direction is not more than how many degrees between cleanouts and a drip pipe from a food receptacle or in a fixture drain serving a kitchen sink in a non residential occupancy |
90 degrees |
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Building drains shall be provided with an additional clean out for each cumulative horizontal change in Direction exceeding? |
135 degrees |
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Maximum spacing one-way Rodding 4 pipe Less Than 3 in |
7.5 m |
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Maximum spacing for one way Rodding of drainage pipes 3 and 4 in |
15 meters |
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Maximum spacing one-way Rodding for drainage pipe over 4 in |
26 M |
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Minimum size of clean out for drainage pipe Less Than 3 in |
Same size as drainage pipe |
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Minimum size of clean-out for pipe 3in and 4in in size |
3 in |
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Minimum size clean-out for drainage pipes over 4 in |
4 in |
