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40 Cards in this Set
- Front
- Back
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What are the three designs of portable drills? |
1) Spade 2) Pistol Grip 3) Angle |
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What is the name of the common drilling device used in construction to bore holes in wood that cleans the hole out as it bores through? |
Core type masonry bit |
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What is the name of the drilling device that drills holes in concrete without the use of rotary hammering? |
The diamond core drill bit |
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How much of the wood stud must be left when drilling a hole in non-load bearing walls? |
1 5/8 of the stud must be left |
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How much of the wood stud must be left when drilling a hole in load-bearing walls? |
Max hole diameter or notch depth is 1/3 the depth of the stud |
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How much wood must be left intact when drilling a standard spruce joist? |
Max hole is 1/4 the depth of the joist. No part of the hole may be closer than 2" to the edge of the joist |
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What is the name of the construction component between the top of the foundation wall and the bottom of the floor? |
Sill Plate |
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Name 2 purposes for sleeving: |
1) Provide an opening for the installation of piping systems 2) To provide a ridiculous question on a plumbing exam |
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What is the definition of a branch vent? |
A vent pipe that is connected at it's lower end to the junction of two or more vent pipes |
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Where does the sanitary building drain connect upstream and downstream? |
Upstream at the most distant soil or waste stack serving a water closet and downstream at the sanitary building sewer |
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What is the name of the two vents required on all circuit vented groups? |
1) Relief Vent 2) Circuit Vent |
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What is the minimum length of a vertical standpipe? |
600mm or 24" |
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What are the 4 sanitary units listed in the OBC? |
1) Water Closet 2) Urinal 3) Bidet 4) Bedpan Washer |
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Where must we connect the storm and sanitary together if we need to install a semi-combined system in accordance with the building code? |
Within 1m of the foundation wall |
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In instrument reading (levelling), how do we calculate the height of the instrument: |
HI=Benchmark + Backsight |
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What is the maximum load permitted to drain into a 4" stack from any one story? |
100FU |
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What is the specific gravity of water? |
1 |
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What is the purpose of a grease interceptor? |
To prevent grease, animal fat, oil, sand, or anything else which could cause problems getting in to the municipal sanitary sewer or the sewage treatment plant |
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What is the purpose of 2 vents on either end of an oil interceptor? |
To enable air to circulate freely through the intercepter |
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What is one of the features of an electronic oil interceptor? |
1) Oil sensing probe 2) Electronic shut-off valve 3) Monitor Panel |
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What is drained into a secondary receiving tank? |
Oil intercepted by an oil interceptor |
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What is the purpose of a blow-down tank installed in conjunction with a boiler? |
1) Intercept and retain mud, scale, and dirt from a boiler when maintenance is required 2) Act as a water cooler |
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What is the name of the force applied for a spinning impeller? |
Centrifugal force |
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What are the 3 basic types of ejectors as described in the workbook? |
1) Sump 2) Sewage 3) Effluent |
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What is an effluent pump designed for? |
Designed to pump human waste only |
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What is the minimum size of a sewage ejector tank in cubic feet for a pump with a capacity of 14.5gpm? |
Three times the capacity of the pump. 14.5gpm x 3 = 43.5 gallons 43.5 gallons - 5.815 cubic feet |
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What must be calculated for the purpose of sizing when connecting the forced main to the DWV? |
The total hydraulic load of the fixtures which are discharging into the tank should equal the capacity of the pump |
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What is the definition of a branch bent? |
A vent that is connected at it's lower end to the junction of two or more vent pipes and that, at it's upper end, connected to another branch vent, stack vent, or a header that terminates in open air |
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What information is required for sizing a branch vent? |
1) Hydraulic load 2) Maximum developed length |
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What table is used to size a branch vent? |
7.5.8.3 |
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When is a vent stack required? |
Every soil or waste stack that receives discharge from more than 4 storeys shall have a vent stack |
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Where is a vent stack connected at it's lower end? |
A vent stack shall be connected at or immediately below the lowest soil or waste pipe connected to the soil or waste stack |
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What is the term used to identify the horizontal branch that is part of a circuit vented group? |
A circuit vented horizontal branch |
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Where is the circuit vent located on a circuit vented group? |
A circuit vent is required downstream of the uppermost fixture on the horizontal branch for a battery of fixtures |
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Where is the relief vent located on a circuit vented group? |
A relief vent connects at the upper end to a vent stack and connects at it's lower end to a horizontal branch between the first fixture connection and the soil stack or waste stack. |
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When is an additional circuit vent required on a circuit vented group? |
1) When each cumulative change in direction of a branch served by a circuit vent exceeds 45 degrees between vent pipe connections 2) When more than eight circuit vented fixtures are connected to a branch between the vent pipe connections |
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How do we size additional circuit vents? |
Additional circuit vents are sized in accordance with table 7.5.7.1 and wet venting rules |
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How many fixture units are permitted to drain into a relief vent? |
3 fixture units from 2 x 1.5" traps connected by means of a sanitary Y |
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How many fixture units are permitted to drain into a circuit vent and/or additional circuit vent? |
A maximum of 2 fixture units from 2 1.5" traps connected by means of a sanitary Y |
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What is the purpose of a valve? |
To control flow of liquids, gasses, or loose materials through an opening |
