HKIA Exam Paper 4 Quiz 57

Closed-circuit television system. A system of video cameras and display units designed for surveillance from remote locations. (Code of Practice for Fire Service Installation and Equipment 2012 – 2.2 Definitions).

Automatic actuating devices. Building components such as doors, shutters, dampers, fire curtains, roof vents, etc., and the devices for automatically controlling their movement in the event of fire. (Code of Practice for Fire Service Installation and Equipment 2012 – 2.2 Definitions).

20 m. There shall be sufficient hydrants and hose reels on each floor to ensure that every part of the basement with the exception of strong rooms and safe deposit vaults can be reached by a length of not more than 30 m of Fire Services hose and hose reel tubing. (Code of Practice for Minimum Service Installations and Equipment 2012 – 4.4 Basements with total area exceed 230 m²).

Surface spread, is not part of the system, installation, and equipment in Batter rooms and electrical charging facilities. (Code of Practice for Minimum Service Installations and Equipment 2012 – 4.5 Battery rooms and electrical charging facilities).

Dry sprinklers. In all areas including staircases with the exception of cold storage room which should be provided with a dry sprinklers or sprinkler installation operating in dry mode in accordance with the Loss Prevention Council Rules. (Code of Practice for Minimum Service Installations and Equipment 2012 – 4.13 Cold storage areas Group II).

6.25%. Any fire compartment exceeding 7,000 cubic meters in that building where the aggregate area of openable windows of the compartment does not exceed 6.25% of the floor area of that compartment. (Code of Practice for Minimum Service Installations and Equipment 2012 – 4.15 Commercial buildings – High rise).

2,000 square meters. Required for any part or parts of building where the area occupied by any one single occupancy on any one floor exceeds 2 000 square meters and where the occupants, due to their transient presence either as shoppers, audience or guests, are exposed to risks to require additional advice through such systems. (Code of Practice for Minimum Service Installations and Equipment 2012 – 4.15 Commercial buildings – High rise).

Automatic powered generator is not part and required in Boiler room’s system, installation and equipment. (Code of Practice for Minimum Service Installations and Equipment 2012 – 4.7 Bowling alleys).

950 mm. The top of the handrail shall be at a height of not less than 850 mm and not more than 950 mm above any nosing, floor or landing. (Design Manual Barrier Free Access 2008 – Recommended Design Requirements – Dimension and Shape of Handrail).

Braille and tactile information on the directional arrow and floor numbers shall be provided on a handrail on every floor at a designated location to facilitate persons with visual impairment. Where a directional sign exists on handrails. (Design Manual Barrier Free Access 2008 – Recommended Design Requirements – Braille and Tactile Information).

EMSD means the Electrical and Mechanical Services Department. (Code of practice for lift works and escalator works 2018 – 2.1 Abbreviations, Definitions, and References).

Opaque, A wall or roof means that solid part of the wall or roof which is not part of the fenestration. (Guidelines on Design and Construction Requirements for Energy Efficiency of Residential Buildings 2014 – 1.4 Terminology and definitions).

Variable air volume (VAV) air distribution system means a system that controls the dry-bulb temperature within a space by varying the volume of supply air to the space automatically as a function of the air-conditioning load. (Code of practice for energy efficiency of building services installation 2018 2 – 2 Interpretations and abbreviation).

Designed building means the building or unit for which compliance with this BEC based on the performance-based approach and being sought, and includes its building envelope, building services installations, and energy-consuming equipment. (Code of practice for energy efficiency of building services installation 2018 2 – 2 Interpretations and abbreviation).

1,200 mm. Lift call buttons at the lift halls shall not be less than 900 mm and not more than 1200 mm above the floor of the finished floor level of the lift hall. (Design Manual Barrier Free Access – 80 Lift Control Buttons).

Access route is a continuous unobstructed path that is easily identifiable for persons with a disability or the elderly to approach, enter and leave the building and to use the facilities therein without assistance or undue difficulties. (Design manual: Barrier-free access 2008 – Chapter 3 Preliminary).

Freight lift means a lift mainly intended for the transport of goods, which are generally accompanied by persons handling the goods. (Code of practice for efficiency of building services installation 2018 – 2 Interpretations and Abbreviations).

Energy utilization index, in relation to the total energy consumption of the central building services installations in a building, means dividing total energy consumption for a specific period by the total internal floor area of the building. (Code for practice for building energy audit 2012 – 2 Interpretation).

0.5 %. The copper loss of the main circuit connecting the distribution transformer and the main incoming circuit breaker of an LV switchboard should not exceed 0.5% of the total active power transmitted along the circuit conductors at designed circuit current. (Code of practice for energy efficiency of building services installation 2018 2 – 7.4.2 Main Circuit).

2.5%. The maximum copper loss for residential buildings in a sub-main circuit, single or three-phase, should not exceed 2.5% of the total active power transmitted along the circuit conductors at designed circuit current. (Code of practice for energy efficiency of building services installation 2018 2 – 7.4.2 Main Circuit).

Total power factor. The design total power factor for a three-phase circuit connecting to the meter of the electricity supplier at the designed circuit current should not be less than 0.85. (Code of practice for energy efficiency of building services installation 2018 2 – 7.6.1 Total Power Factor).

2 minutes. Except for observation lift with itself traveling through or its lift well located in unconditioned space, the ventilation of a lift car after idling for 2 minutes should be shut off automatically until the lift is activated again by passenger call. (Code of practice for energy efficiency of building services installation 2018 2 – Lift Ventilation and Air-conditioning).

Gathering ground means any surface of the land in or by which rain or other water is collected and from which water is, or is intended to be, drawn for the purposes of supply. (Waterworks Ordinance – Part 1, 2 Partition).

Periodic maintenance works means the following maintenance works in relation to a lift, the inspection, cleaning, oiling and adjusting of the lift and any of its associated equipment or machinery. (Code of practice for lift works and escalator works 2018 – 2.2 Definitions).

300 mm. Handrail shall extend horizontally not less than 300 mm beyond the first and last nosing of every flight of steps or beyond the ends of a ramp and terminate into a closed-end which shall turn down or return fully to end post or wall face. (Design Manual Barrier Free Access – Dimension and Shape of Handrail).

Zone models describe a fluid flow within a discrete zone or room; they split the zone in question in distinct control volumes where calculations are performed.

An emergency call has already been received. The indication light for acknowledgment shall be in the form of a blinking light adjacent to the intercom speaker and a notice “When light blinks, it indicates your emergency call has already been received. Please be patient and wait for the rescue.” (Design Manual Barrier Free Access – Emergency Call Button in Lifts).

1,500 mm x 1,500 mm. An unobstructed wheelchair turning space of 1500 mm x 1500 mm should be provided in front of accessible lift car door. (Design Manual Barrier Free Access – Wheelchair Turning Space).

Passenger conveyor may be used when there is substantial traveling distance between pedestrian entrance and vehicular access point, in an airport terminal. (Design Manual Barrier Free Access – Wheelchair Turning Space).

Portable hand-operated approved appliance. Any fire service equipment which is manufactured, used or designed to be used as an independent unit for the purpose of extinguishing, attacking, preventing or limiting a fire, e.g. water type, foam, inert gas, any chemical extinguishers, fire blankets and sand buckets. (Code of Practice for Minimum Service Installations and Equipment 2012 – 2.2 Definitions).