Lesson 9: Plumbing Fixtures

Receptacles which are used to provide, receive

and discharge water, liquid and water-carried

wastes into a drainage system with which they

are connected to

Plumbing Fixtures'

Classifications of Plumbing Fixtures

Soil

Scullery

Bathing

Classification of Plumbing Fixtures:

Water Closets

Urinals

Slop Sinks

Soil

Classification of Plumbing Fixtures:

Kitchen Sinks

Laundry Tubs

Bar Sinks

Scullery

Classification of Plumbing Fixtures:

Lavatories

Bathtubs

Shower baths

bidets

foot/sitz tub

shower receptors

shower compartments

Bathing

Setting of Plumbing Fixtures

Water closet center to side wall: minimum of 0.375 m

Water closet center to WC center: minimum of 0.75 m

Types of Water Closet

According to Type of Flushing

Flush Tank water closets

Direct Flush Valve

( DFV water closets)

Flushing action can be obtained directly from a flush valve connected into the bowl

Direct Flush Valve

( DFV water closets)

Types of Water Closet

According to Flush Tank Types

Integral Flush Tank

Close Coupled Flush Tank

Low Flush Tank

High Flush Tank

Types of Water Closet

According to Mounting

Floor Mounted

Wall Hung

Types of Water Closet

According to Flushing Action

Wash Down

Reverse Trap

Siphon Jet

Siphon Vortex

Direct Flush Valve

Flushes through a simple wash down action

Wash Down

Discharges waste into a trapway located at the front of the bowl

washdown

Has a bulge on the front

washdown

Has a small amount of standing water

washdown

Cost less but is least efficient and noisiest

washdown

Flushes through a siphon action created in the trapway

Reverse Trap

Has a larger trapway making it less likely to clog

Retains a large amount of standing water;

Quiet flushing action

Siphon Jet

Less noisy and very efficient

Flushing action is started by a whirlpool motion followed by a complete flush down

Retains a large amount of standing water

Siphon Vortex

flushing action is obtained directly from a flush valve connected into the bowl

Direct Flush Valve

Other Types of Water Closets

Squat Type

Washout

Types of Urinals

Wall Hung

Pedestal

Through

Stall

Setting of urinals

Urinal center to side wall: minimum of 0.30 m

Urinal center to urinal center: minimum of 0.60 m

_____________________________ shall be done through automatic flushing tanks. (NPC 408.1)

Flushing urinals

_______________________ shall be self-closing type discharging a predetermined quantity of water. No manually controlled flushometer valve shall be used to flush group urinals. (NPC 408.2)

Flushometer valves

Minimum Requirements for Urinals

Elementary

1 per 75 males

Minimum Requirements for Urinals

Secondary

1 per 35 males

Minimum Requirements for Urinals

Office or Public Building

1 per 1-100 males

2 per 101-200 males

3 per 201-400 males

4 per 401-600 males

1 For each additional 300 males

Minimum Requirements for Urinals

Assembly Places

( Theaters and auditoriums)- for public use)

1 per 1-100 males

2 per 101-200 males

3 per 201-400 males

4 per 401-600 males

1 For each additional 500 males

Minimum Requirements for Urinals

Dormetories

1 per 25 males

1 per 50 males in excess of 150

usually holds several liters on its tank; eventually empties when lever/ push button is activated. when activated, blockade is lifted and thus the water can flow down into the bow

Flush tank

a type of water closet that requires little pressure, highly efficient (doest use more than necessary) and easy to install however it resets slowly (tank may fill within 20s or less) and requires a lot of maintenance

flush tank

a type of water closet wherein water does not get into a tank but instead goes directly into the bowl; with special one way valve that lets water go through when lever is activated; the lever pulls a chain/chord that attaches to a flapper or blockage. this blockage prevents the water from the plumbing system from entering the bowl

direct flush valve

a water closet that works fast and conveniently, no need to wait for tank to fills before flushing, less noise and easy maintanance. however, it requires high water pressure and tricky to repair and install

direct flush valve

cistern sits directly on the back of the toilet pan

close coupled water closet

where the toilet pan fits against the wall or a piece of furniture and a concealed cistern provides the water for flushing

back to wall

hangs on a sturdy metal frame and suspended above the floor, the water for flushing is supplied by a concealed cistern

wall hung

cistern is fitted to the wall and connected to the toilet pan by a length of chrome pipe

low level and high level

Water Area, Deep Seal and Passageway of

WASH DOWN

8 X 10 inches

2 7/8 inches

1 7/8 inches

Water Area, Deep Seal and Passageway of

Reverse Trap

9 3/4 x 11 1/4 inches

3"

2"

Water Area, Deep Seal and Passageway of

Siphon jet

10 1/2" x 13 1/2"

3"

2 5/8"

Water Area, Deep Seal and Passageway of

Siphon Vortex

11 1/8" x 13 1/4"

3"

2"

not connected to the wall for support but is mounted on a single pedestal

pedestal

a long, narrow urinal designed for use by several men at the same time

trough

half or full stall; supported by floor

stall

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