HKIA Exam Paper 4 Quiz 39

Manhole means a chamber constructed on a drain or sewer to provide access thereto for inspection, testing and the clearance of obstructions. (Building Standards of Sanitary Fitments, Plumbing, Drainage Works and Latrines Regulations – Interpretation).

Chemical closet fitment means a latrine fitment in which the contents of the receptacle for excrement are treated by means of chemicals. (Building Standards of Sanitary Fitments, Plumbing, Drainage Works and Latrines Regulations – Interpretation).

Nullah includes any trained stream course. (Building Standards of Sanitary Fitments, Plumbing, Drainage Works and Latrines Regulations – Interpretation).

Latrine means a room used or intended to be used for the housing of latrine fitments. (Building Standards of Sanitary Fitments, Plumbing, Drainage Works and Latrines Regulations – Interpretation).

A slop sink means a sink used or constructed to be used for receiving solid or liquid excrement. (Building standards of sanitary fitments, plumbing drainage works and latrines regulations – Regulation 1 Part 1 Preliminary).

Discharge value means the number of persons that a staircase of a given width may be assumed to be capable of discharging from a given number of stories. (Code of practice for fire safety in buildings 2011 – Section 3 Definitions).

30. Every part of an exit route should be provided at all times with lighting of a horizontal illuminance at floor level of not less than 30 lux. (Code of practice for fire safety in buildings 2011 – Clause B5.5).

50. If the roof is not accessible by the required staircase(s), a notice in the following form with words and characters of not less than 50mm high should be securely fixed at a conspicuous position at the entrance to the required staircase(s) on every floor. (Code of practice for fire safety in buildings 2011 – Clause B5.11).

The incipient phase of a fire can last a few milliseconds to days depending on the initial fuels involved, ambient conditions, ignition source, etc. In most cases, the incipient phase is ignored and the growth phase is started from time zero. (Code of practice for fire safety in buildings 2011 – Clause G6.5 Design Fires).

Flashover. Although there is no universally accepted definition for flashover, it can be described as a transition from a developing fire to full room involvement. This transition typically occurs over a short time span measured in seconds. (Code of practice for fire safety in buildings 2011 – Clause G6.5 Design Fires).

Surface water means rainwater from any part of a building including any paved area or ground, whether paved or not, appurtenant to any building. (Building standards of sanitary fitments, plumbing drainage works and latrines regulations – Regulation 1 Part 1 Preliminary).

Waste pipe means a pipe used or constructed to be used for carrying off waste. (Building standards of sanitary fitments, plumbing drainage works and latrines regulations – Regulation 1 Part 1 Preliminary).

Usable floor area means the aggregate of the areas of the floor or floors in a story or a building excluding, unless otherwise specified, any staircase, public circulation space, lift landings, lavatories, water-closets, kitchens in flats. (Code of practice for fire safety in buildings 2011 – Section 3 Definitions).

Emergency Vehicular Access means a vehicular access used or to be used for access of a vehicle of the Fire Services Department to the building in the event of a fire or other emergency.

Septic tank means a tank, for the reception of soil and waste from a building, in which the liquefaction of solid organic matter occurs. (Building standards of sanitary fitments, plumbing drainage works and latrines regulations – Regulation 1 Part 1 Preliminary).

Soil fitment means a water closet fitment, through water closet, urinal, slop sink, bidet or any similar fitment. (Building standards of sanitary fitments, plumbing drainage works and latrines regulations – Regulation 1 Part 1 Preliminary).

Trade effluent means any liquid, either with or without particles of matter in suspension therein, which is wholly or in part produced in the course of any trade or industry. (Building standards of sanitary fitments, plumbing drainage works and latrines regulations – Regulation 1 Part 1 Preliminary).

Soil pipe means a pipe used or constructed to be used for carrying off the soil. (Building standards of sanitary fitments, plumbing drainage works and latrines regulations – Regulation 1 Part 1 Preliminary).

Public sewer means a sewer vested in and maintained by the Government. (Building standards of sanitary fitments, plumbing drainage works and latrines regulations – Regulation 1 Part 1 Preliminary).

Sub-soil water means water occurring naturally below the surface of the ground. (Building standards of sanitary fitments, plumbing drainage works and latrines regulations – Regulation 1 Part 1 Preliminary).

Cinema means a building or part of a building which is designed for cinematographic displays; (L.N. 191 of 2015). (Building standards of sanitary fitments, plumbing drainage works and latrines regulations – Regulation 1 Part 1 Preliminary).

Fire compartment, means a space enclosed by fire barriers or appropriate construction to all sides such that fire will not spread from the space; or spread into adjoining space. (Code of practice for fire safety in buildings 2011 – Section 3 Definitions).

Fire barrier means the construction that has a fire-resistance rating separating one space from another. It may form part of a fire compartment. (Code of practice for fire safety in buildings 2011 – Section 3 Definitions).

Required staircase, means an access staircase, whether in a firefighting and rescue stairway or not, or a staircase required for means of escape in case of fire. (Code of practice for fire safety in buildings 2011 – Section 3 Definitions).

Ground story, means the story in which is situated an entrance from the street to the building and, where a building fronts or abuts on more than one street and due to a difference in street levels there are two or more entrances serving different streets and situated in different stories, means each such story. (Code of practice for fire safety in buildings 2011 – Section 3 Definitions).

Designed and constructed to allow firemen safe and unobstructed access to all the stories of a building in the event of a fire.

Protected lobby, means a place formed by fire and smoke resisting construction in accordance with Part C to prevent the spread of heat and smoke. (Code of practice for fire safety in buildings 2011 – Section 3 Definitions).

Travel distance, means the horizontal distance measured on the floor along the centerline of the exit route between the furthest point (most remote point) on a story or within a fire compartment. (Code of practice for fire safety in buildings 2011 – Section 3 Definitions).

Visibility can delay evacuation until such time as the other three factors above cause untenability but it is only an issue if the smoke has descended to a height where it impacts evacuating occupants. The optical density should not exceed 0.1m-1 (i.e. 10m visibility). (Code of practice for fire safety in buildings 2011 – Clause G6.8 Tenability Criteria).

Toxicity becomes an issue when occupants are in contact with the smoke layer. The relative conservativeness of the layer height limits should be an indication of the confidence in the modeling being conducted, and the other levels of redundancy and contingency in the design. (Code of practice for fire safety in buildings 2011 – Clause G6.8 Tenability Criteria).