Symbol Specification

Distribution board

Ceiling downlight

Floor recessed light

Wall mounted light

Ceiling Fan

Exhaust fan

240V switch outlet

Symbol Specification

Split unit air conditioner

Air conditioner switch

One gang switch

Two gang switch

Three gang switch

Two way switch

Wiring circuit

Ceiling fan Ceiling

downlightExhaust

Fan

Wall

mounted

light

Split unit

air

conditioner

Three gang

switch

Distribution

board

Switch outlet Floor

recessed

light

Electricity Regulations 1994

Regulation 15. Apparatus, conductor, accessory, etc.

(2) A conductor shall be insulated and effectively protected or so placed or safeguarded in such a manner as to prevent danger.

(6) Any conductor or apparatus that is exposes to the weather, water, corrosion, undue heating or used in inflammable

surroundings or in an explosive atmosphere shall be constructed or protected in such a manner as to prevent danger.

Regulation 16. Switch, switchfuse, fuse switch, circuit breaker, contractor, fuse,

etc.

(1) Any switch, switchfuse, fuse switch, circuit breaker or isolating link shall be—

(a) constructed, placed or protected in such a manner as to prevent danger;

(b) constructed and adjusted in such a manner as to and maintain efficient contact;

(c) provided with an efficient handle insulated from the system and arranged in such a manner that the handle cannot

inadvertently touch any live part;

(d) constructed or arranged in such a manner that it cannot accidentally come into contact with any live conductor when left in

the "off" position;

Reasoning:

To prevent any electricity leakage, short circuit or unwanted accident by exposing the conductor or apparatus to external factors.

To ensure the safety of users by insulating the conductor or switch handles that might be in contact with users.

Ch’ng Xing Yue 0310425

To distribute electrical power from the main power

source to individual circuits or outlets and has a

main circuit breaker that cuts off electrical current

when excess current or short circuit is present.

Uniform Technical Guidelines Water Reticulation and Plumbing 2014

C.3.6 Hot Water System

a. Hot water apparatus shall not draw water directly from a service pipe.

b. Hot water apparatus installed in landed residential properties, or other premises having

dedicated storage tanks and served by a single water meter, can draw water directly from the

storage cistern.

e. Cold water supplied to a heating apparatus shall be controlled by a stop valve, and shall be

discharged within the heating apparatus at a level above the overflowing level of the

apparatus (air gap provision). This condition may be waived in the case when the discharge

from the heating apparatus is in open air or through a mixing valve.

Uniform Building By-Laws 1984 ACT 133

84. (1) Suitable measures should be taken to prevent the penetration of dampness and

moisture into a building.

Ch’ng Xing Yue 0310425

Street, Drainage And Building Act 1974

61. Ventilating pipes to sewers.

(1) The local authority may erect or fix to any building such pipes as are necessary for the proper ventilation of the drains and sewers belonging to it.

(2) Such pipes shall be erected so as not to occasion any nuisance or inconvenience to such building or any building in the neighbourhood.

Reasoning:

To ensure vent stack is installed properly to prevent foul smell in building or to nearby buildings.

Gate Valve Water meter Water filter Stopcock valve

Floor trap S-trap

To trap sediments and

particles from sink.

Manhole

To allow maintenance

and connecting piping

for sewer and drainage.

Vent pipe crown

To direct smell to

roof level

Gully trap

To prevent foul smell

from sewer entering

kitchen.

Vent Stack

Floor trap

Manhole

Pipe diameter

Gully trap

S-trap

Stopcock valve

Water meter

Gate Valve

Hot water tank

Stainless steel water storage tank

Water filter

Non-return valve

To control the water

flow to the water

outlet or water

apparatus especially

during maintenance.

Street, Drainage And Building Act 1974

57. Water pipes, etc., not to be used as ventilating shafts.

(1) No water-pipe, stack-pipe or down spout used for conveying surface water from any premises shall be used or be permitted to serve or to act as a

ventilating shaft to any drain or sewer.

Uniform Building By-Laws 1984 ACT 133

115. All roofs of buildings shall be so constructed as to drain effectually to suitable and sufficient channels, gutters, chutes or troughs which shall be provided in

accordance with the requirements of these By-Laws for receiving and conveying all water which may fall on and from the roof.

Reasoning:

Due to the tropical climate, all measures against the heavy precipitation is required to ensure the building does nor leak and can channel the rainwater

efficiently.

Ch’ng Xing Yue 0310425

Reference:

Energy Commission. (1994). ELECTRICITY REGULATIONS 1994. Retrieved from

http://www.st.gov.my/index.php/policies/regulations/electricity-regulations-1994.html

Laws of Malaysia Act 133 Uniform Building By-Laws. (2006). Kuala Lumpur: MDC Publisher Sdn. Bhd.

National House Buyers Association. (n.d.). STREET,DRAINAGE AND BUILDING ACT 1974 ACT 133 PART III. Retrieved from

http://www.hba.org.my/laws/street/partIII.htm

Rongey, D. (n.d.). Wiring Diagrams Fully Illustrated. Retrieved from http://www.ask-the-electrician.com/wiringdiagrams.html

Saltzman, R. (2012, June 5). A Primer on “S” Traps. Retrieved from http://www.structuretech1.com/2012/06/a-primer-on-s-traps/

Suruhanjaya Perkhidmatan Air Negara. (2014). Uniform Technical Guidelines Water Reticulation and Plumbing. Retrieved from

http://www.span.gov.my/

BUILDING SERVICES (ARC 2423) Project 2 – Application of Building Services

Perimeter drain

To direct surface

water and falloff

from roof to

drainage.

Drain Sump Stainless steel

rainwater head

Gutter and downpipe

To transfer water from roof to

ground drainage system.

100mm diameter Downpipe

Drain sump

Stainless Steel rainwater head

250mm perimeter drain

An average of 2% slope for flat

concrete roof is required to ensure

the rainwater can be direct to

downpipe.

For roof area below 70 sqm.,

100mm gutter sizing is adequate.