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Application - Mechanical ventilation system exceptions
64(3)NI-wide·Technical Booklet K Ventilation
Regulation 65(2) shall not apply to the provision or extension of any fixed mechanical ventilation system or associated controls where testing and adjustment is not possible.
ventilationnon-domesticAdequate means of ventilation
65NI-wide·Technical Booklet K Ventilation
Adequate means of ventilation shall be provided for people in a building. Fixed mechanical ventilation systems and any associated controls shall be tested and commissioned to ensure that the requireme
ventilationnon-domesticdwellingVentilation of car parks
66NI-wide·Technical Booklet K Ventilation
Adequate means of ventilation shall be provided for every space in a car park.
ventilationnon-domesticNotification of testing and commissioning
67NI-wide·Technical Booklet K Ventilation
Where this regulation applies, the person carrying out the work, for the purpose of ensuring compliance with regulation 65(2), shall give, not more than 5 days after completion of the testing and comm
ventilationnon-domesticdwellingVentilation of buildings other than dwellings
0.5NI-wide·Technical Booklet K Ventilation
The guidance in Section 3 relates to the ventilation of buildings other than dwellings. The Section is split into two parts, the first dealing specifically with offices with four ventilation methods s
non-domesticcommercialventilationVentilation of car parks - Performance requirement
0.7NI-wide·Technical Booklet K Ventilation
It is the view of the Department that the requirements of regulation 66 will be met by making adequate provisions of ventilation to extract pollutants which are hazardous to health from the area where
non-domesticventilationCar park ventilation methods and design approaches
0.8NI-wide·Technical Booklet K Ventilation
The guidance in Section 5 relates to the natural ventilation, mixed mode and mechanical ventilation of car parks. In addition, it includes an alternative design approach which can be used if predicted
non-domesticventilationDefinitions
1.1NI-wide·Technical Booklet K Ventilation
For the purposes of this Technical Booklet the following definitions apply – Air permeability – the air leakage rate in cubic metres per hour per square metre of envelope area (m3/(h.m2)) at a pressu
ventilationdwellingnon-domesticDefinitions: Non-domestic building, Occupiable room
NI-wide·Technical Booklet K Ventilation
Non-domestic building – means a building or part of a building which is not a domestic building. Ocupiable room – a room in a building other than a dwelling that is occupied by people, such as an off
non-domesticventilationVentilation system types and design flexibility
1.10NI-wide·Technical Booklet K Ventilation
This ventilation strategy can be delivered by a natural ventilation system or a mechanical ventilation system or a combination of both (i.e. "a mixed mode" or "hybrid" ventilation system). For mainly
ventilationdwellingnon-domesticDemand-controlled ventilation systems
1.16NI-wide·Technical Booklet K Ventilation
Demand-controlled ventilation systems use sensors to detect the level of occupancy, water vapour or other pollutants and adjust the ventilation rate to avoid over-ventilation. In dwellings, humidity-c
dwellingnon-domesticventilationNon-Domestic Building Ventilation Guidance
1.23NI-wide·Technical Booklet K Ventilation
For buildings other than dwellings, guidance is provided in Section 3 of this Technical Booklet and includes references to other guidance publications.
non-domesticventilationNon-Domestic Ventilation System Commissioning
1.26NI-wide·Technical Booklet K Ventilation
For buildings other than dwellings, the procedure for commissioning ventilation systems is CIBSE Code M available from "www.cibse.org".
non-domesticventilationNon-Domestic Building Information and Documentation
1.29NI-wide·Technical Booklet K Ventilation
For buildings other than dwellings, CIBSE Code M available from "www.cibse.org" gives guidance on the procedures to follow and the documents for recording the results of testing and commissioning.
non-domesticventilationAutomatic controls in kitchens with fossil fuel
2.31NI-wide·Technical Booklet K Ventilation
In kitchens, any automatic control must provide sufficient flow during cooking with fossil fuel (e.g. gas) to avoid the build-up of combustion by-products.
ventilationdwellingnon-domesticOverride facility for automatic controls
2.32NI-wide·Technical Booklet K Ventilation
Any automatic control should have an override facility to allow the occupant to turn the extract on manually.
ventilationdwellingnon-domesticExtract fan overrun in internal rooms
2.33NI-wide·Technical Booklet K Ventilation
In a room with no openable window (i.e. an internal room) an intermittent extract fan should have an overrun of at least 15 minutes except where it is controlled by a humidistat. In rooms with no natu
ventilationdwellingnon-domesticBackground ventilator controls
2.34NI-wide·Technical Booklet K Ventilation
Background ventilators may be either manually adjustable or automatically controlled.
ventilationdwellingnon-domesticManual control accessibility
2.35NI-wide·Technical Booklet K Ventilation
Where manual controls are provided, they should be within reasonable reach of the occupants. Where it is considered reasonable, pull cords, operating rods or similar devices should be provided.
ventilationaccessibilitydwellingnon-domesticNoise from ventilation systems
2.37NI-wide·Technical Booklet K Ventilation
To ensure good acoustic conditions the average A-weighted sound pressure level in noise sensitive rooms, such as bedrooms and living rooms, should not exceed 30 dB LAeq,T (see paragraph 2.38). In less
ventilationsounddwellingnon-domesticMinimising noise impact from mechanical ventilation
2.38NI-wide·Technical Booklet K Ventilation
The main issues in minimising the noise impact of the ventilation system are the noise from the fan unit entering the ducts, the attenuation provided by the ducts, bends and junctions, and the charact
ventilationsounddwellingnon-domesticEnvironmental noise attenuation
2.39NI-wide·Technical Booklet K Ventilation
In order to minimise noise entering the building through the ventilation system, it may be appropriate to use sound attenuating ventilation products depending on the noise level and any imposed planni
ventilationsounddwellingnon-domesticAlternative ventilation systems
2.109NI-wide·Technical Booklet K Ventilation
An alternative ventilation system can be used, provided it can be demonstrated to the district council that it satisfies Part K, e.g. by showing that it meets the moisture and performance-based ventil
ventilationnon-domesticdwellingScope of Section 3 - Offices and Other Building Types
3.1NI-wide·Technical Booklet K Ventilation
This section sets out guidance for – (a) offices – paragraphs 3.9 to 3.28; and (b) other building types – paragraphs 3.29 to 3.58.
non-domesticventilationCooling Needs and Overheating Control
3.2NI-wide·Technical Booklet K Ventilation
The ventilation provisions in this section will not necessarily meet cooling needs. Guidance on the control of overheating for buildings other than dwellings is considered in Technical Booklet F2.
non-domesticventilationProtection of Fresh Air Supplies from Contaminants
3.3NI-wide·Technical Booklet K Ventilation
Provision should be made to protect the fresh air supplies from contaminants injurious to health. Guidance on the siting of air inlets is provided in Appendix D.
non-domesticventilationLegionella Contamination Prevention
3.4NI-wide·Technical Booklet K Ventilation
Guidance on design measures to avoid legionella contamination, including design features not related to the ventilation of the building, is given in the HSE document Legionnaires' disease: the control
non-domesticventilationRe-circulated Air in Air Conditioning and Mechanical Ventilation Systems
3.5NI-wide·Technical Booklet K Ventilation
Guidance on re-circulated air in air conditioning and mechanical ventilation systems is given in HSE document L24 Workplace health, safety and welfare, Workplace (Health, Safety and Welfare) Regulatio
non-domesticventilationAccess for Maintenance - Design Considerations
3.6NI-wide·Technical Booklet K Ventilation
At the design stage, the system designer should consider the provisions for maintenance. This would facilitate the long term efficient running of the system while addressing health and safety issues a
non-domesticventilationReasonable Provisions for Maintenance Access
3.7NI-wide·Technical Booklet K Ventilation
Reasonable provision would be to include – (a) access for the purpose of replacing filters, fans and coils; and (b) the provision of access points for the cleaning of duct work.
non-domesticventilationCentral Plant Room Space Requirements for Maintenance
3.8NI-wide·Technical Booklet K Ventilation
In a central plant room adequate space should be provided as necessary for the maintenance of the plant. Where no special provision is required, the requirement would be satisfied where 600 mm space i
non-domesticventilationOffice Ventilation Methods Overview
3.9NI-wide·Technical Booklet K Ventilation
This Section gives four methods of ventilating offices, by – Method 1 – providing a ventilation system that meets the air flow rates set out in paragraphs 3.10 to 3.14; or Method 2 – following the sys
non-domesticcommercialventilationMethod 1 - Ventilation Rates Performance
3.10NI-wide·Technical Booklet K Ventilation
The performance will be achieved by ventilation which provides the air flow rates set out in paragraphs 3.11 to 3.14. The air flow rates specified are for the installed performance.
non-domesticcommercialventilationExtract Ventilation Requirements for Office Areas
3.11NI-wide·Technical Booklet K Ventilation
Extract to outside is required in all office sanitary accommodation, washrooms and in food and beverage preparation areas. In addition, printers and photocopiers in substantial use (greater than 30 mi
non-domesticcommercialventilationWhole building ventilation rate for offices
3.12NI-wide·Technical Booklet K Ventilation
The whole building ventilation rate for the supply of air to the offices should be not less than that specified in Table 3.2.
non-domesticcommercialventilationRapid ventilation and purging requirements for offices
3.13NI-wide·Technical Booklet K Ventilation
Rapid ventilation provision is required in each office (see paragraph 2.28). The total ventilation should be sufficient to reduce pollutants to an acceptable level before the space is occupied. The pu
non-domesticcommercialventilationOutdoor air supply rates for offices with alternative pollutant levels
3.14NI-wide·Technical Booklet K Ventilation
The outdoor air supply rates in Table 3.2 for offices are based on controlling body odours with low levels of other pollutants. Where there are significant levels of other pollutants, adequate outdoor
non-domesticcommercialventilationWhole building ventilation rate for air supply to offices
Table 3.2NI-wide·Technical Booklet K Ventilation
Table 3.2 Whole building ventilation rate for air supply to offices Air supply rate Total outdoor air supply rate for offices (no smoking and no significant pollutant sources): 10 l/s per person Roo
non-domesticcommercialventilationSystem Guidance - Air Flow Rates via Natural Ventilation
3.15NI-wide·Technical Booklet K Ventilation
The air flow rates specified in Tables 3.1 and 3.2 can be provided with a mainly natural ventilation system by following the guidance in paragraphs 3.16 to 3.25. A wide range of natural ventilation sy
ventilationnatural-ventilationnon-domesticExtract Rates for Office Ventilation
3.16NI-wide·Technical Booklet K Ventilation
Extract rates should be in accordance with paragraph 3.11. PSV can be used as an alternative to a mechanical extract fan for office sanitary accommodation, washroom and food preparation areas. When an
ventilationcommercialnon-domesticLocation of Extract Ventilators in Rooms
3.19NI-wide·Technical Booklet K Ventilation
Extract ventilators should be located as high as practicable and preferably within 400 mm of the ceiling. This will tend to remove pollutants from the breathing zone of the occupants as well as increa
ventilationnon-domesticcommercialExtract fans - manual or automatic control
3.22NI-wide·Technical Booklet K Ventilation
Extract fans can be controlled either manually or automatically. For a room with no openable window (i.e. an internal room), the extract should have an overrun of at least 15 minutes, except where it
ventilationnon-domesticOther Building Types - Compliance by Standards
3.29NI-wide·Technical Booklet K Ventilation
Paragraphs 3.30 to 3.58 provide a list of codes and standards for ventilation design for other building types, which if followed, should demonstrate compliance with Part K. In addition to the guidance
non-domesticAssembly Halls Ventilation Standards
3.31NI-wide·Technical Booklet K Ventilation
CIBSE Guide B: 2005, Section 2.3.3 and CIBSE AM10: 2005 if naturally ventilated or CIBSE AM13: 2000 if mixed mode (see para 1.10).
public-buildingnon-domesticAtria Ventilation Standards
3.32NI-wide·Technical Booklet K Ventilation
CIBSE Guide B: 2005, Section 2.3.4 and CIBSE AM10: 2005 if naturally ventilated or CIBSE AM13: 2000 if mixed mode (see para 1.10).
non-domesticBroadcasting Studios Ventilation Standards
3.33NI-wide·Technical Booklet K Ventilation
CIBSE Guide B: 2005, Section 2.3.5.
non-domesticBuilding Services Plant Rooms Emergency Ventilation
3.34NI-wide·Technical Booklet K Ventilation
Provision for emergency ventilation to control dispersal of contaminating gas releases (e.g.refrigerant leak) is given in paragraphs 23-25 of HSE Guidance Note 202 General Ventilation in the Workplace
non-domesticCall Centres Ventilation Standards
3.35NI-wide·Technical Booklet K Ventilation
CIBSE Guide B: 2005, Section 2.3.24.2 and CIBSE AM10: 2005 if naturally ventilated or CIBSE AM13: 2000 if mixed mode (see para 1.10).
commercialnon-domesticCatering and Commercial Kitchens Ventilation Standards
3.36NI-wide·Technical Booklet K Ventilation
HSE Catering Information Sheet No. 10, 2000: Ventilation of kitchens in catering establishments. HSE Information Sheet No. 11, 2000: The main health and safety law applicable to catering. See also CIB
commercialnon-domesticCleanrooms
3.37NI-wide·Technical Booklet K Ventilation
CIBSE Guide B: 2005, Section 2.3.7.
non-domestic