Building Services Components Quiz

What is the minimum required size of a wheelchair-accessible washroom stall according to the text?

What is the maximum height of a water closet (toilet) according to the text?

What is the minimum number of accessible water closets (toilets) required on each floor level for a building with more than 20 total water closets per floor?

What is the maximum height of a lavatory (sink) according to the text?

When are automatic fire-extinguishing systems required to be installed?

What type of HVAC support engines are mentioned in the text?

What is the minimum occupant load required for a room to necessitate the presence of dry standpipes?

What material should dry standpipes be made of?

What water pressure should dry standpipes be able to withstand when ready for service?

Who is responsible for conducting tests on dry standpipes?

Which type of rooms specifically require the presence of dry standpipes?

What should the dry standpipes be strong enough to withstand without leaking at joints, valves, or fittings?

Fire Safety Requirements

Automatic fire-extinguishing systems are required in areas with an occupant load of more than 20, including habitational, recreational, dining, study, and work areas with an area of 200 square meters or more.
Fire-extinguishing systems are also required in dressing rooms, rehearsal rooms, workshops or factories with an occupant load of more than 10, and in assembly halls with an occupant load of more than 500, if the nearest exit is more than 30 meters away.

Standpipes

Dry standpipes are required in buildings four or more storeys in height, made of wrought iron or galvanized steel, and must withstand 20 kg/cm² water pressure.
Tests must be conducted by the building owner or contractor in the presence of a Building representative.

Sanitary Services

Washrooms and toilets must meet BP 344 requirements, including:
- Minimum size of 1.70 x 1.80 m with grab bars.
- Turning space of 2.25 sq.m with a minimum of 1.50 m for wheelchairs outside the closet stall.
- Minimum number of accessible water closets on each floor level: 1 for every 20, and 2 for more than 20.
- Maximum height of water closet: 0.45 m, flush control: 1.20 m.
- Maximum height of lavatories: 0.80 m with knee recess 0.60 to 0.70 m vertical clearance and 0.50 m depth.

Mechanical Services

Air-con duct systems require HVAC support engines.

Escalator System

Escalator system requirements are stated but not specified in the provided text.

Fire Fighting Services

Building safety requirements include fire-extinguishing systems and other fire safety measures as per the National Building Code.

Test your knowledge on the components of building services including sanitary or plumbing services, electrical services, mechanical services, and fire protection systems. Explore requirements for plumbing and sanitary services as per RA 6541.