4.17 Lighting - General
Wherever possible the Contractor shall incorporate the use of daylight in to the lighting design. The Contractor shall design and orientate the building such that the daylight can be used to best effect, supplemented by the artificial lighting system to provide the appropriate levels of illumination.
The lighting (lux) level for each Zone shall have a lighting (lux) level appropriate to its specified use in accordance with the Zone Data Sheets and shall be designed by the Contractor to comply with the list of applicable British Standards and CIBSE guidance and with particular reference to and compliance with the latest versions of Sport England guidance.
Lighting shall be suitable for the task to be carried out and in accordance with the appropriate British Standards and Guidance. The lighting design / installation shall provide good uniformity over the task area the Contractor shall take into account the drop off in efficiency of fittings by using a maintenance factor in the design.
The Contractor shall ensure that luminaires are complete with an appropriate high efficiency diffuser/controller and be suitable for the application for which they are proposed.
Light source efficiency shall be better than 2.7 W / m2 / 100 lux (except where justifiable).
(a) Interior Lighting
Interior lighting is to provide adequate lighting for the particular activity being undertaken within each Zone. Lighting shall be required in respect of minimum luminescence, colour rendition and glare index as specified in the Zone Data Sheets and/or CIBSE and Sport England Guidance for relevant sports to be accommodated.
BIlluminance levels shall be measured with an illuminance meter performing to the requirements of BS667 Specification for Illuminance Meters'. The illuminance meter shall be CIE corrected to the appropriate spectral response curve.
Glare index shall be calculated using the method according to CIBSE TM10 Code of Practice for Glare Indices.
Luminaires shall be located to provide ready access for lamp changing and maintenance, whilst still providing the recommended level and quality of illumination to the area. The Contractor shall select the colour and material finish of luminaires to be co-ordinated with the architectural intent throughout the circulation areas.
Where luminaires of the fully recessed type (modular and/or downlighter) are installed within fire rated ceilings, they should be provided with a one hour rated fire canopy. The Contractor shall also ensure that they maintain the integrity of the ceiling and that the canopies are tested to required standards.
Luminaires and diffusers shall be appropriate category for their location and usage, such as fire escape corridors, food preparation areas, plant areas, roof void areas, ducts, lift motor rooms, shafts and similar utility areas.
All luminaries within similar spaces are to have tube/bulbs of the same colour temperature.
(b) Exterior Lighting
The Contractor shall illuminate the main entrance, the building perimeter, car park areas and pedestrian walkways by use of energy efficient luminaries. The installation shall achieve the requirements of the zone data sheets and CIBSE guidance,. Furthermore, all on-site access roads, car parks, footpaths and cycleways shall be lit to levels compatible with the adjacent public roads.
Lighting shall be provided to all direction signs around the site where these are not adequately illuminated by external lighting. The Contractor shall provide external lighting to provide adequate light levels for the effective operation of CCTV surveillance.
Where it is appropriate and safe to do so, the Contractor shall consider control of external lighting to minimise energy consumption, by utilisation of constant low level background lighting combined with main lighting controlled by photocell or movement sensors. This may include areas such as, but not limited to service courtyards and plant rooms. The lamp type selected must be sympathetic to frequency of switching dictated by the control means and shall take into consideration impact on surrounding areas. The Contractor shall consider the use of solar powered lighting.
When selecting luminaries for exterior lighting, the Contractor shall give consideration to the effects of light pollution, vandalism, security, energy efficiency and the impact on neighbouring areas current or proposed.
(c) Emergency Lighting
The Contractor shall install emergency lighting as required by Legislation, Good Industry Practice and Guidance.
The Contractor shall ensure the emergency lighting installation includes for adequate definition of emergency exits.
The Contractor shall ensure that the emergency luminaires shall be energised in the event of a failure of the local lighting circuit and/or the main electrical supply.
The emergency luminaires may be of either the maintained or non-maintained variety. The Contractor shall ensure that they are powered by a suitable battery supply connected by auto-changeover switch or utilise self-contained battery packs within luminaires - 3 hour rated.
(d) Lighting Control and Wiring
The Contractor shall include of automatic lighting controls in appropriate areas to allow lighting to switch off when these areas are unoccupied.
The Contractor shall ensure that the lighting design incorporates flexible switching arrangements to allow for varying activities within appropriate rooms.
The Contractor shall arrange the circuiting of luminaires to control groups of fittings in order to provide flexibility of switching arrangements. Such a facility is particularly important in large spaces where the level of daylight is not uniform and artificial lighting is likely to be needed for long period in areas remote from windows. Switches for public areas should be positioned so that unauthorised persons cannot switch the lighting.
(e) Lifts (Technical Requirements)
Lifts are required to provide access by all Users to all leisure and other facilities in the Facility.
The Contractor shall provide lifts in accordance with all appropriate British Standards and Building Regulations.
The following are a non-exhaustive list of key requirements, to which The Contractor shall give consideration to and incorporate in the provision of lifts:
• Emergency lighting;
• the lifts shall be vandal / damage resistant but aesthetically pleasing;
• lifts shall have to facility to be secured and 'key operated';
• emergency hands free telephones in lifts shall be accessible to the blind, partially sighted, deaf and wheelchair Users. Telephones shall be linked to lift car audio inductive loop; and
• disabled friendly controls, information etc (wheelchair accessible height of buttons, tactile numbers, voice messages, and visual alarm) shall be incorporated in the lift design.
• lifts in public areas should be provided to facilitate services as required, for example leisure equipment for an upstairs gym, service trolleys etc.
• lifts shall be equipped with grab rails on three sides and
• the Contractor shall be responsible for liaising with [insert local water company] and arranging for the installation of a suitably sized and located mains water supply into the Facility. Where the composition of water supplies may give rise to excessive lime scale deposition, manufacturer's recommendations as to the protective measures necessary to prevent the shortening of the operating life of equipment shall be followed.
• the Contractor shall be responsible for liaising with [insert gas company] and arrange for and arranging for a suitably sized and located mains supply into the Facility.
• External isolation of water supply shall be provided to the Facility.
(f) Gas Installations
Gas installations and appliances shall be provided where required and installed and maintained in accordance with appropriate Legislations and Guidance.
The Facility shall meet the requirements of CORGI certification.
Ventilation
The Contractor shall carry out the requirements as defined in CIBSE Application Manual 10 Natural Ventilation in Non Domestic Buildings and the Handbook of Sports and Recreational Building Design Volumes 1 - 3.
The ventilation rates shall meet the requirements set out in the Zone Data Sheets. Ventilation rates shall be calculated according to CIBSE and BRE guidance.
The target infiltration rate shall be less than 8/m3/m2/hr of envelope area at 50 Pascal's or as required by the Building Regulations, whichever is more onerous.
(g) Water Supply
Appropriate operational engineering systems for hot water shall be included in the design of the Facility. The Contractor shall control legionella and other bacteria within the systems is critical. Hot water systems shall be designed to provide adequate flow to satisfy maximum demand whilst minimising stored hot water and energy consumption. Some storage shall be provided to minimise the impact of hot water generation on boiler power.
The Contractor shall design and install the domestic water supply installations to fully comply with the requirements of "Guide to Legionellosis - Temperature Measurements for Hot and Cold Water Services", BSRIA Application Guide 4/94,-and HSC document L8, The control of legionella bacteria in water systems. Approved Code of Practice and Guidance. The Contractor shall include for all specialist treatment plant that may be necessary. The Contractor shall provide water sampling points as directed by the Authority.
Hot and cold water shall be provided in accordance with the Zone Data Sheets . For the purposes of hand washing and showers the temperature shall not exceed [41ºc ] and shall not drop below [35ºc] at the delivery point. Where Domestic Hot Water (DHW) is supplied without thermostatic control, all taps shall be appropriately labelled.
The Contractor shall:
• provide hot and cold water to those areas specified in the Zone Data Sheets as requiring water for domestic usage, also ensuring that where such water is required for drinking purposes that it is from a potable source;
• ensure that it is local isolation of the water supply to all sanitary appliances, and at the final equipment connection points;
• provide 'plumbed in' chilled water dispensers and cold water supplies in accordance with the Zone Data Sheets; and
• provide plumbing as necessary to WC's, drinking fountains, urinals, vending machines, boilers etc .
All hand washing and shower facilities shall be provided with automatic timed flow control mechanisms, which shall be set up to minimise the risk of deliberate flooding in the Facility.
The Contractor shall incorporate measures to reduce water wastage must be incorporated into the Facility. Grey water use, waste water recycling, rainwater harvesting and water conservation initiatives for re-use shall be designed in wherever possible. for re-use
The design of the cold-water pipe work distribution system shall be such that there are no excessive dead legs. Extended pipe work runs that serve infrequently used appliances and equipment shall be avoided. Where unavoidable, the pipe work run shall be extended to serve an appliance or range of appliances that will be used on a regular basis.
(h) Fire Alarm and Detection Systems
The Contractor shall provide a fire alarm system to the minimum standard of BS 5839 Type L1, or as deemed necessary by risk assessment. [Fire alarm certification date and issue and periods of validity shall be recorded on the Property Database.]12
Fire detection systems shall be installed in line with the requirements of British Standards and Good Industry Practice.
(i) Public Address System
The Contractor shall provide a good quality public address and sound systems throughout the Facility to meet the needs of Users. The public address system shall be available to all Zones and audible alarms shall sound the same in all areas.
(j) Security, Alarm and Call Systems
A security system shall be provided which presents a secure and reassuring environment for staff, and Users by providing appropriate security measures.
The Contractor shall provide, as appropriate, alarm protection for the pool zone, any areas with gas or chemicals are stored, any sunbeds and as required by the DDA requirements at the Leisure Facility.
(k) CCTV
The Contractor shall provide a comprehensive, colour security CCTV system covering the car parks, access and egress points to the Facility, and other zones as set out in the Zone Data Sheets.
The CCTV system shall meet the requirements of the National Approved Council of Security (NACS), the Data Protection Act and Human Rights Act. The Contractor shall provide [♦] internal and [♦] external CCTV cameras to enhance the security to the Facility, staff and the Users.
The Contractor shall ensure that the system comprises a multi-channel digital recorder with minimum [30] day storage of footage.
The Contractor shall provide the means for monitoring CCTV cameras from a central point located at the main Reception/Security area. The recorder shall also control playback of images onto a CCTV monitor.
(l) Car Park Barriers Area
The Contractor shall design the car park so as to control access and the staff prioritise use by [and Users at] the Facility.
(m) Lightning Protection and Earthing
The Contractor shall be responsible for the adequate provision of functional protection systems that protects the Facility against lightning strike. The Contractor shall ensure such to equipment and straps being unobtrusive.
The Contractor shall provide a system of earthing that shall ensure sufficient and fast operation of protective systems in the case of earth faults.
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12 To be included in Service Specification.