RNPCP - Chapter 4: Plumbing Fixtures

acid resistant

Section 401 - Materials - General Requirements

All porcelain enamel surfaces on plumbing fixtures shall be ________

elongated bowl types equipped with open-front seats

Section 401 - Materials - General Requirements

Water closet bowls for public use shall be the __________

Gauge No. 16 U.S. B&S or 1.6mm thk.

Section 401 - Materials - Alternatives

Restaurant kitchen and other special-use sinks may be made of approved-type bonderized or galvanized sheet steel of not less than ___________________

house or inlet side

Section 403 - Overflows

The overflow pipe from a fixture shall be connected to the ___________ side of the fixture trap.

strainers

Section 404 - Strainers and Connections

all plumbing fixtures other than water closets and siphon action washdown or blowout urinals, shall be equipped with approved _________ having an approved waterway area.

area of tailpiece

meaning, the sum of all the areas of the perforations of the strainer is equivalent to the outlet area).

Section 404 - Strainers and Connections

The strainers serving shower drains shall have waterway equivalent to __________

0.3 meter - least dimension of concealed slip joint access panel

Section 404 - Strainers and Connections

Fixtures having concealed slip joint connections shall be

provided with an access panel or utility at least ___________ in its least dimension and arranged so that the connections are readily accessible for inspection and repair.

Gauge No. 20 B&S or 0.8 mm thk.

Section 404 - Strainers and Connections

Continuous waste and fixture tailpiece where exposed or accessible may be of seamless drawn brass not less than

_______________

38 mm OD min. tailpiece

- Sinks

- Dishwashers

- Laundry tubs

- Bathtubs

- Urinals

- Similar Fixtures

Section 404 - Strainers and Connections

Each such tailpiece, continuous waste or waste and overflow

shall not be less than ________ for sinks, dishwashers, laundry tubs, bathtubs, urinals and similar fixtures.

32 mm OD min. tailpiece

- Lavatories

- Drinking Fountains

- Similar small fixtures

Section 404 - Strainers and Connections

Each such tailpiece, continuous waste or waste and overflow

shall not be less than ___________ for lavatories, drinking fountains and similar small fixtures;

Brass or copper

Section 404 - Strainers and Connections

________ or _________ shall not be used for urinal tailpiece or trap.

- invisible seals

- unventilated space

- having (inner) walls which are not thoroughly washed out at each discharge

Section 405 - Prohibited Fixtures

Use of water closets having ________ or ________ or _________ shall be prohibited.

Any water closet, which might permit siphonage of the contents of the bowl back into the water tank, shall be prohibited as well as trough urinals.

Section 405 - Prohibited Fixtures

Any water closet, which might permit siphonage of the contents of the bowl back into the water tank, shall be prohibited as well as trough urinals.

Drinking fountains

Section 405 - Prohibited Fixtures

__________ shall not be installed inside public toilet rooms.

- fixed wooden, concrete, cement, or tile washtrays or sinks

- sheet metal lined wooden bathtub

- dry or chemical closet (toilet)

Section 405 - Prohibited Fixtures

Fixed wooden, concrete, cement, or tile washtrays or sinks for domestic use shall not be installed in any building designed for human habitation.

No sheet metal lined wooden bathtubs shall be installed or reconnected.

No dry or chemical closet (toilet) shall be installed in a.ny building for human habitation

backsiphonage

Section 406 - Special Fixtures and Specialties

Baptistries, ornamental and lily ponds, aquaria,

ornamental fountain basins and similar constructions when provided with water supplies connected to potable water supply lines shall be protected from __________

ground

Section 406 - Special Fixtures and Specialties

For Sacrarium cupsink at church altar and Baptistries font outlet shall discharge direct to the ______ and not connected

to the sanitary drainage system.

1. parallel

2. close to the nearest wall or building line.

Section 407 - Installation

Cleaning - plumbing fixture shall be installed in a manner to provide easy access for repair and cleaning. Where practical, all pipes from fixtures shall be run _________ and ___________________________________.

watertight

Section 407 - Installation

Joints - where a fixture comes in contact with the wall or floor, the joint between the fixture and wall or floor shall be made ___________

0.375 mm from center to side wall

0.75 mm center to center

Section 407 - Installation

No water closet or bidet shall be set closer than ________ from its center to any side wall or obstruction nor closer than __________

to any similar fixture

0.3 mm from center to side wall

0.6 mm center to center

Section 407 - Installation

No urinal shall be set closer than _________ from its center to any sidewall or partition nor closer than ____________

vacuum breaker

Section 408 - Urinals

An approved type ________ shall protect every water supply to a

urinal or other approved backflow prevention device

1. automatic in operation

2. sufficient capacity

Section 408 - Urinals

Automatic Flushing Tanks - tanks flushing more than one urinal shall be automatic in operation and of sufficient capacity to provide the necessary volume of water to flush and properly cleanse all urinals simultaneously.

Automatically controlled flushometer valves maybe substituted for automatic flush tanks.

one urinal per manually controlled flushometer

self-closing type

Section 408 - Urinals

F!ushometer Valves - no manually controlled flushometer valve shall be used to flush more than _____ urinal and each such urinal flushometer valve shall be approved, _________ type discharging a predetermined quantity of water.

cross-sectional area of the tailpiece = sum of all holes of strainer plate

Section 409 - Floor Drains and Shower Stalls

each floor drain shall be provided with an approved-type and hinged strainer plate having the sum of the areas of the small holes of the strainer plate or gross waterway is equivalent to the __________

integrally-cast water-stop outside flange

Section 409 - Floor Drains and Shower Stalls

Floor drains, floor receptors and shower drains shall be of an approved type, the body provided with ___________ around the body at mid-depth and with an inside caulk outlet to provide a watertight joint in the floor.

vitrified china or earthenware

ceramic tile

porcelain-enameled metal

Section 409 - Floor Drains and Shower Stalls

Each shower receptor shall be constructed of ___________ or of such other material as may be acceptable to the Administrative Authority.

25.4 mm = min. height of shower receptor threshold from outside floor

Section 409 - Floor Drains and Shower Stalls

Each shower receptor shall be constructed to have a

finished dam, curb or threshold which is at least ________ lower than the outside floor at the sides and back of such receptor.

51 mm to 228 mm - depth of shower receptor threshold (top of threshold to drain)

Section 409 - Floor Drains and Shower Stalls

ln no case shall any dam or threshold be less than ______ nor more than _______ in depth when measured from the top of the dam or threshold to the drain.

2% to 4% - slope of shower receptor towards the drain

Section 409 - Floor Drains and Shower Stalls

The finished floor of the receptor shall slope uniformly from the sides towards the drain not less than ________ or more than _________

559 mm - minimum width of shower threshold

Section 409 - Floor Drains and Shower Stalls

Thresholds shall be of sufficient width to accommodate a minimum ______ wide door.

1.2 meters - distance between door to drain opening (accessible showers)

Section 409 - Floor Drains and Shower Stalls

Special shower compartments for wheelchair use may

eliminate the curb or threshold. The required slope and depth shall be maintained from the door entry to the drain opening.

The minimum distance between the door or entry to the drain opening shall be _________

0.6 sqm - shower interior area

762 mm - minimum diameter of shower circle

Section 409 - Floor Drains and Shower Stalls

All shower compartments, regardless of shape, shall have a minimum finished interior area of __________, and shall also be capable of encompassing a____________ circle.

1.78 meters - clear height of minimum area requirement for shower compartments

Section 409 - Floor Drains and Shower Stalls

The minimum area and dimensions of shower compartments shall be maintained from a point above the shower drain outlet to a height of _________ with no protrusions other than the fixture valve or valves, shower head and safety grab bars or rails.

lining materials - sheet lead or copper or with other durable and watertight materials

min. lining height - 76 mm above top of threshold

Section 409 - Floor Drains and Shower Stalls

When shower receptors are built above ground the sub-floor and rough side of walls to a height of no less than 76 mm above the top of the finished dam or threshold shall be first lined with _____________

2% to weepholes

Section 409 - Floor Drains and Shower Stalls

Shower receptors - All lining materials shall be pitched at a slope of ____________ to weep holes in the subdrain of a smooth and solidly formed sub-base.

3 layers of 6.8 kg asphalt-impregnated roofing felt

Bottom layer: fitted to the formed sub-base

Each layer: thoroughly hot mopped to the layer below

Corners: carefully fitted, strengthened, and watertight by folding or lapping

Each corner: reinforced with suitable metal webbing, hot-mopped in place

Section 409 - Floor Drains and Shower Stalls

No metallic shower sub-pans or linings may be built-up on the jobsite of not less than ______ layers of standard grade ______ asphalt·impregnated roofing felt.

Webbing requirements:

- Extends at least 101 mm in all directions from the corner

- Material - Approved type and mesh

- Minimum tensile strength - 0.9 kg/mm in both directions

Section 409 - Floor Drains and Shower Stalls

All folds, laps and reinforcing webbing shall extend to at least ________ in all directions from the corner and all webbing shall be of approved type and mesh, producing a tensile strength of not less than _________ in either direction.

Linings:

- Properly recessed and fastened to approved backing

- Must not occupy space for wall covering

- Not nailed or perforated below 25.4 mm above finished dam or threshold

Section 409 - Floor Drains and Shower Stalls

Linings shall be properly recessed and fastened to approved backing so as not to occupy the space required for the wall c.overing and shall not be nailed or perforated at any point

which may be less than _________ above the finished dam or threshold.

rounded corners

2% towards the drain

Section 409 - Floor Drains and Shower Stalls

Gutters in public or gang shower rooms shall have _________ for easy cleaning and shall be sloped not less

than _______ toward the drains.

4.9 meters apart

Section 409 - Floor Drains and Shower Stalls

Drains in gutters in public or gang shower rooms shall be spaced not more than __________ apart.

1. pressure balance.

2. thermostatic mixing valve

Section 409 - Floor Drains and Shower Stalls

Showers occupancies other than dwelling units served by individual water heaters shall be provided with individual

shower control valves of the __________ or the _____________ type.

master thermostatic mixing valve

Section 409 - Floor Drains and Shower Stalls

Multiple or gang showers may be controlled by a

___________ in lieu of individually controlled pressure balance or thermostatic mixing valves.

Hot water limit stop in valves- 48.88 deg Celsius

(120 deg Fahrenheit)

Section 409 - Floor Drains and Shower Stalls

Limit stops shall be provided on such valves and shall be adjusted to deliver hot water with a maximum temperature of __________

6.8 kg asphalt felt

or its equivalent

Section 409 - Floor Drains and Shower Stalls

Lead and copper sub-pans or linings shall be installed from all conducting substances other than their connecting drain by __________

19.6 kg/sqm

Section 409 - Floor Drains and Shower Stalls

No lead pan or liner shall be constructed of material

weighing less than ___________

Gauge No. 24 B&S (0.5 mm) thick

Section 409 - Floor Drains and Shower Stalls

Thickness of copper pans or liners shall be at least ___________

burned

Section 409 - Floor Drains and Shower Stalls

Joints in lead pans or liners shall be ________

soldered or brazed.

Section 409 - Floor Drains and Shower Stalls

Joints in copper pans or liners shall be ____________

crown weir

positioning the circulation pump above this level ensures that it can effectively remove water from the tub without risking backflow or siphoning issues.

Section 409 - Floor Drains and Shower Stalls

All whirlpool bathtubs shall comply with the

following requirements:

- A removable panel of sufficient dimension shall be provided for access to the pump;

- The circulation pump shall be located above the _________ of the trap,

- The pump and the circulation piping shall be self-draining to

minimize water retention

- Suction fittings shall comply with the listed standards.