Distances123.pdf

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PLUMBING FIXTURES

PIPES AND FITTINGS

0.375 m

Min. distance of water closet center to side wall

3/8"

Min. NPS of fixture supply pipe for toilet

0.75 m

Min. distance of water closet center to water closet center

1/2"

Min. NPS of fixture supply pipe for shower

0.30 m

Min. distance of urinal center to side wall

1/2"

Min. NPS of fixture supply pipe for kitchen sink

0.60 m

Min. distance of urinal center to urinal center

1/2"

Min. NPS of fixture supply pipe for bathtub

Min. distance of bidet center to side wall

3/8"

Min. NPS of fixture supply pipe for bidet

Min. distance of bidet center to bidet center

3/8"

Min. fixture supply pipe diameter for tank type water closet.

0.375 m 0.75 m 2%

Min. slope of shower receptor

3"

4%

Max. slope of shower receptor

1.5"

559 mm 0.60 sq.m.

Min. fixture drain size for a water closet Min. fixture drain size for a bathtub

Min. height of threshold for shower wide door

0.05m (2”)

Min. depth of water seal for trap

Min. interior area of shower compartment

0.10m (4”)

Max. depth of water seal for trap

Min. spacing of drains for gang shower

51 mm

Min. height of a water seal for each fixture trap.

32" or 0.80 m

Mounting height of wall hung lavatory from the FFL

51 mm

Min. water seal depth or outlet diameter of grease trap

36" or 0.90 m

Max. mounting height of toilet grab bars from FFL

102 mm

Max. height of a water seal for each fixture trap.

19"

Max. mounting height of tissue paper holder from FFL

38 mm (1 ½”)

4.9 m

Min. trap diameter for a bathtub

51 mm (2")

Min. trap diameter for a shower stall.

51 mm (2")

Min. size of waste branch for a shower stall.

3" 38 mm (1 ½”)

Min. size of trap and waste branch for a pedestal urinal.

0.90 m

Min. extension of the VSTR above an openable window.

Min. size of trap or branch for a bidet.

0.90 m

Min. distance of vent away from any lot line, alley and street boundary lines.

3m

Min. horizontal distance of any VSTR from a roof deck used for other purposes aside from protection from weather.

4.6 m

Min. length of any branch requiring separate venting.

10

Min. number of stories served by a waste stack requiring a parallel vent stack.

6.10 m

Max. distance of any under floor clean-out from any access door, crawl space, or crawl hole

1 ½”

Vent pipe size for lavatories, drinking fountain

1 ½”

Vent pipe size sink

0.16 m

Diameter of drum trap

0.20 m

Min. length of a drum trap

0.32 m

Max. length of a drum trap

0.75 m

Max. spacing of waste outlets of one trap that serve three single compartment sinks

0.60 m

Max. length of the tailpiece from any fixture.

25 mm

Min. diameter of pipe sleeve

75 mm

Min. pipe sleeve for 64mm diameter uPVC pipe

32 mm (1 ¼”)

Min. diameter of an individual vent

1.5 m (5’)

Max. distance of vent from trap seal

150 mm

Min. extension of the VSTR above the roof

2.10 m

Min. vertical extension of VSTR from any roof deck where it is protruded

300 mm

Min. extension of VSTR above any other vertical surface.

150 mm (6")

Min. height of a branch vent above the fixture it is venting

152 mm 0.30 m

Min. height of vent above the highest level rim of the fixtures served before offsetting horizontally. Min. distance of the VSTR from any openable window.

1”

Vent pipe size for shower, laundry, slop sinks

3”

Vent pipe size for water closet

15 m 1.5 m (or less)

Max. length requirement to have a clean-outs Length of horizontal drain which does not require a clean-out unless such line is serving sinks or urinal

38 mm

Size of cleanout for pipe size of 38 mm ∅

38 mm

Size of cleanout for pipe size of 51 mm ∅

64 mm

Size of cleanout for pipe size of 64 mm ∅

76 mm

Size of cleanout for pipe size of 64 mm ∅

102 mm or larger

Size of cleanout for pipe size of 89 mm ∅

305 mm

Min. front clearance of clean-out 51 mm or less

450 mm

Max. front clearance of clean-out 51 mm or more

450 mm 750 mm

300 mm

Min. vertical clearance of clean-out in under floor piping extended to or above floor finish or extended outside the building Min. horizontal clearance of clean-out in under floor piping extended to or above floor finish or extended outside the building Min. distance of water piping from any regulating equipment, water heater, conditioning tanks, and similar equipment requiring union fittings.

3 m (10')

Max. spacing of pipe supports at intervals.

26 gauge

Min. Gauge of galvanized sheet used for downspouts.

Fixture Unit FU

7.5 gal. per minute or 1 cubic ft. per minute

SEPTIC TANK Min. width of a septic tank. Min. length of a septic tank. Min. liquid depth for a septic tank. Max. liquid depth for septic tank.

1/8 Bend

A type of pipe fitting for a Yoke Vent.

4 – 5 ft 45˚

1/8 bend elbow

60˚

1/6 bend elbow

2%

Min. slope of horizontal drainage pipe

1%

Min. slope for pipe with more than 102 mm diameter

¼” : 1ft or 6mm : 300mm

Length of house sewer from the inner face of the foundation wall of a building to the junction with another sewer.

Slope requirement for a house drain.

0.90 m 1.50 mts. 0.60 m 1.80 mts.

Minimum width of a septic tank. Minimum length of a septic tank. Minimum liquid depth for a septic tank.

1 cum.

Minimum capacity, in cubic meters, of the

Maximum liquid depth for septic tank.

secondary compartment of a septic tank. 508 mm.

1.50 mts

Minimum dimension of a manhole access to a septic tank. Minimum length of the secondary compartment of a septic tank with a capacity of more than 6 cubic meters.

15.20 mts.

Minimum distance of a water supply well from a septic tank.

45.70 mts.

Minimum distance of a water supply well from a seepage pit or cesspool.

30.50 mts.

Minimum distance of a water supply well from a disposal field.

3

Minimum head of water, in meters, required for each section of plumbing for water test. How many days, at least, shall be given before any plumbing work inspection is done after written notice for inspection.

3

15 minutes

8%

300mm

7.48 gals 7.5 gals 4.34 psi

Minimum time, in minutes, required for water to stay in the system or pipes for a water test without any leaks to satisfy said testing. Minimum lead content in percent for pipes and fittings safe for humans. Minimum vertical distance from the bottom of water pipes to the top of sewer or drain pipe if laid in the same trench on top of the other. 1 cubic foot of water contains 1 cubic foot of water contains If the water riser is 3.0 meter in height, what will be the minimum pressure of the water

inside that pipe? Schedule 40 & 80

Manufactured schedule for uPVC pipes

12

A self-closing basin faucet needs how many psi (pressure) to be efficient

30gal.

How many gallons do an average daily consumption of a Bathtub?

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