CHAPTER 8 — INDIRECT WASTE PIPING, WET-VENTED SYSTEMS AND SPECIAL WASTES quizlet

Airbreak,

Airgap

Section 801: Indirect Waste Conditions

COOLING and AIR-CONDITIONING equipment may be separated by an _____, but all FOOD EQUIPMENT shall be separated from the drainage system by a full _____.

25 mm

Section 801: Indirect Waste Conditions

MINIMUM airgap for drainage between the plumbing fixture, appliance or appurtenance outlet and the rim of the floor sink or receptor.

1.50 m,

4.60 m

Section 803: Indirect Waste Piping

Indirect waste pipes EXCEEDING _____ m but LESS THAN _____ m length shall be directly trapped, but such traps need NOT be vented.

4.60 m

Section 803: Indirect Waste Piping

Indirect waste pipes LESS THAN _____ m in length need NOT be larger in diameter than the drain outlet or tailpiece of the fixture, appliance or equipment served.

13 mm

Minimum indirect waste piping size.

450 mm

Section 804: Indirect Waste Receptors

MINIMUM height of standpipe receptor for any clotheswasher above its trap.

800 mm

Section 804: Indirect Waste Receptors

MAXIMUM height of standpipe receptor for any clotheswasher above its trap.

150 mm

Section 804: Indirect Waste Receptors

MINIMUM distance of trap for any clotheswasher standpipe receptor above the floor.

450 mm

Section 804: Indirect Waste Receptors

MAXIMUM distance of trap for any clotheswasher standpipe receptor above the floor.

Indirect Waste Receptor

Section 804: Indirect Waste Receptor

It shall NOT be installed in any toilet room, closet, cupboard or storeroom nor in any other portion of a building not for general use by the occupants thereof, EXCEPT that standpipes for clotheswasher may be installed in TOILET and BATHROOM areas when the clotheswasher is installed in the same room.

Beehive

Section 804: Indirect Waste Receptor

Every indirect waste interceptor receiving discharge containing particles that clogs the receptor drain shall have a readily removable _____ strainer.

Airgap

Section 806: Sterile Equipment

Appliances, devices or apparatus such as STILLS, STERILIZERS and similar equipment requiring water and waste and used for sterile materials shall be drained through an _____.

brass

When undiluted condensate is discharged to an exposed fixture tailpiece and trap, such tailpiece and trap may be _______.

True

T or F: Drinking fountains may be installed with indirect wastes.

steam pipe,

60° C

No __________ nor shall any water having a temperature above ___________ be discharged under pressure directly into any part of a drainage system.

indirect waste piping

Pipes from boilers shall discharge by means of ___________.

vent

All closed condensers or sumps shall be provided with a _________ taken off from the top and extended separately, full size above the roof.

152 mm

All condensers and sumps shall be properly trapped at the outlet with a deep seal trap extending to within _______ of the bottom of the tank.

Interceptors

Other application of deep sealed trap aside from condensers and sumps.

19 mm

Section 810: Steam and Hot Water Drainage Condensers and Sumps

Opening diameter at the top of the deep seal trap located above the highest point of the trap to serve as siphon breaker.

102 mm

Section 810: Steam and Hot Water Drainage Condensers and Sumps

MINIMUM thickness of walls and bottom of sumps, condensers or intercepting tanks made of CONCRETE.

13 mm

Section 810: Steam and Hot Water Drainage Condensers and Sumps

MINIMUM thickness of inside cement plastered wall of sumps, condensers or intercepting tanks made of CONCRETE.

Gauge No. 12 U.S Standard or 2.77 mm/Bituminous Coating

Section 810: Steam and Hot Water Drainage Condensers and Sumps

MINIMUM thickness of condensers made of METAL. In what approved coating?

Chemical or industrial liquid wastes

_________ or _____________ wastes likely to damage or increase maintenance costs on the excreta sewer system.

3.2 mm wall thickness

Each waste pipe receiving or intended to receive the discharge of any fixture where acid or corrosive chemical is placed and each vent pipe connected thereto, shall be constructed of chemical-resistant glass-lined pipe, high silicon iron pipe, lead pipe not less than __________ wall thickness, an approved type of ceramic glazed or unglazed vitrified clay or other approved corrosion resistant materials.

False

T or F: Chemical wastes shall be discharged into the ground, local sewer or other disposal means.

vertical

Wet venting is limited to ________ drainage piping.

51 mm

Section 812: Vertical Wet Venting

MINIMUM pipe size of vertical wet venting.

32 mm

MINIMUM pipe size of dry vent.

152 mm

Returned vent may be connected to other vents at a point not less than __________ above the flood level rim of the fixtures served.

4.60 m

Section 814: CW & VS

Any branch more than _____ m length shall be separately vented in an approved manner.

1/2

Section 814: CW & VS

MINIMUM area of any vent installed in a CW & VS shall be at least ____ the inside cross-sectional area of the drain pipe served.

downstream

Section 814: CW & VS

The vent connection shall be ___________ of the uppermost fixture for combination waste and vent systems.

2,

2

Section 814: CW & VS

Each waste pipe and each trap in any CW & VS shall be at least _____ pipe sizes larger than the sizes required by Chapter 7 of this Code and at least _____ pipe sizes larger than any fixture tailpiece or connection.

Vertical Waste Pipe,

600 mm or 0.6 meter

Section 814: CW & VS

Unless specifically required or permitted by the Administrative Authority, NO _____ shall be used in any CW & VS, EXCEPT the tailpiece or connection between the outlet of a plumbing fixture and the trap therefore. Such tailpiece or connections shall be as short as possible and in NO CASE shall EXCEED _____ mm long.

51 mm

Section 814: CW & VS

MINIMUM pipe diameter of fixture tailpiece where cleanout will no longer required.

32 mm

Section 818: Refrigeration Wastes

Pipe size diameter for 1 inlet serving NOT MORE THAN 2.8 cu.m of refrigeration space.

51 mm

Section 818: Refrigeration Wastes

Pipe size diameter for 4 to 12 cu.m; 32 mm inlets or the equivalent refrigeration space.

76 mm

Section 818: Refrigeration Wastes

Pipe size diameter for 13 to 36 cu.m; 32 mm inlets or the equivalent refrigeration space.

19.1 mm

Section 819: Air-Conditioning Equipment

Minimum size of condensate waste pipe based on Table 8-2.

3/4 full

The capacity of waste pipes assumes a 10.5 mm/m or one percent slope, with the pipe running ___________.

airgap or airbreak

Air-conditioning waste pipe shall connect indirectly to the drainage system through an _________ or __________.