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The MLM Group. BREEAM A presentation by Adrian Doling Technical Director. Contents. What is BREEAM What type of buildings are covered What issues does BREEAM cover Assessment types and processes Environmental weightings and scoring Questions. 1. BREEAM. What is BREEAM?
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The MLM Group BREEAM A presentation by Adrian Doling Technical Director
Contents • What is BREEAM • What type of buildings are covered • What issues does BREEAM cover • Assessment types and processes • Environmental weightings and scoring • Questions
1. BREEAM What is BREEAM? It stands for Building Research Establishment Environmental Assessment Method. What does BREEAM do? Measures the environmental performance of a building throughout its life.
Global Warming Fossil Fuel Depletion Ozone Depletion Transport Congestion Air Pollution Waste Generation Water Extraction Acid Rain Water Pollution Mineral Extraction 1. Environmental Issues
1. BREEAM – The Benefits • Provides comprehensive method of measuring environmental performance • Differentiates developments with higher environmental • performance • Quality mark stating that this building is ahead of regulations • Low running costs and improved health and well being for • occupants • Method of demonstrating environmental credentials to funding organisations, client, investor, planning authority etc.
1. Aims of BREEAM Regulatory minimum BREEAM Number of buildings Minimal Aspirational Environmental Standards
2. What Building Types • Offices • Schools • Retail • Industrial • Crown Courts • Prisons • Healthcare Building • Sports Facilities • Homes • Garden Sheds Breeam for offices Breeam for schools Breeam for retail Breeam for industrial Breeam for courts Breeam for prisons NEAT Breeam Bespoke EcoHomes or Code for Sustainable Homes Breeam Bespoke
2. BREEAM • First version developed in 1990 • 1/90 Offices • 2/91 Superstores and Supermarkets • 3/91 Homes • 4/93 Existing Offices • 5/93 Industrial Units • 6/06 Prisons • 7/06 Courts
2. EcoHomes • EcoHomes is an environmental assessment method for homes, launched by the Building Research Establishment (BRE) in 2000. • It is the domestic version of BREEAM (Building Research Establishment Environmental Assessment Method). • The current version went live 6 April 2006, all development registered after that date have to be assessed against EcoHomes 2006. • NB: Unless planning permission granted before 6 April 2006.
2. The Code for Sustainable Homes • The Code for Sustainable Homes is an environmental assessment method for homes, launched by the Building Research Establishment (BRE) in 2007. • It is the domestic version of BREEAM (Building Research Establishment Environmental Assessment Method). • The current version went live 10th April 2007
2. House Types Covered • New houses and flats at the design stage • Existing houses and flats during major refurbishment • Existing houses and flats • Sheltered homes with individual servicing • Sheltered homes with communal servicing. Code England Only EcoHomes EcoHomes EcoHomes Multi Residential
2. Bespoke Assessments Any development that is not a standard home including: • Sheltered homes • Nursing homes • Student accommodation • Military accommodation etc.
Assessment mandatory Level 3 mandatory Level 4 mandatory Level 6 mandatory Private sector (Energy)> Voluntary Time-line: 2007 2008 2010 2013 2016 Public sector Land/funds> Level 3 mandatory Level 4 mandatory Level 6 mandatory The Code for Sustainable Homes • The Code for Sustainable Homes Route Map
Minimum Energy Standards Based on SAP:2005 calculation and % improvement on 2006 Building Regulations Part LA
Minimum Water Standards • Based on consumption of internal potable water inlitres/person/ dayusing the Code Water Calculator • Levels 1 & 2 – Above water regulations level (120 l / p / d) • Levels 3 & 4 – Cost effective water saving fittings (105 l / p / d) • Levels 5 & 6– Water recycling/ rainwater collection (80 l / p / d)
2. Annual Updates • BREEAM regularly updated and reviewed to ensure it remains ahead of regulation and includes new technology • Assessors, BREEAM steering group members and other interested parties • Make sure EcoHomes is in line with other versions of BEREAM.
3. Issues Covered • Management • Health & Wellbeing • Energy • Transport • Water • Materials and Waste • Land use & Ecology • Pollution
3. Management • M1 Commissioning • M4 Considerate Constructors • M5 Construction Site Impacts • M12 Building User Guide
3. Man 1 Commissioning • The credits aim is to recognise and encourage an appropriate level of building services commissioning that is carried out in a co-ordinated and comprehensive manner, thus ensuring optimum performance under actual occupancy conditions. • 2 credits are awarded as follows: • Where evidence provided demonstrates that an appropriate team member has been appointed to monitor commissioning and commissioning is carried out in line with Building Regulations / CIBSE / BSRIA. (1 credit) • Where evidence provided demonstrates that seasonal commissioning will be carried out during the first year of occupation (1 credit)
3. Man 2 Considerate Constructors • The credits aim is to encourage construction sites to be managed in an environmentally and socially considerate and accountable manner. • The Considerate Constructors scheme is a UK certification scheme which has been in operation since 1997. Alternative schemes may be used and guidance should be sought from the BRE’s checklist A2 for compliance requirements. • 2 credits are awarded as follows: • Where the CCS scheme scores between 24 and 31.5 points (1 credit) • Where the CCS scheme scores between 32 and 40 points (2 credits)
3. Man 3 Construction Site Impacts • The credits aim is to encourage construction site management of resource, energy consumption, pollution and waste. • Up to 4 credits are awarded as follows: • Where 2 or more items from the BRE checklist are achieved (1 credit) • Where 4 or more items from the BRE checklist are achieved (2 credits) • Where 6 or more items from the BRE checklist are achieved (3 credits) • Where evidence provided demonstrates that 80% of site timber is responsibly sourced. (1 credit)
3. Man 3 Construction Site Impacts • a) Monitor, report and set targets for CO2 or energy arising from site activities. • b) Monitor, report and set targets for CO2 or energy arising from transport to and from site. • c) Monitor, report and set targets for water consumption arising from site activities. • d) Monitor construction waste on site (BRE Smart waste) • e) Sort and recycle construction waste (at least five waste streams) • f) Adopt best practice policies in respect of air (dust) pollution arising from site • g) Adopt best practice policies in respect of water (ground and surface) pollution occurring on the site PPG1, PPG5 and PPG 6
3. Man 12 Home User Guide • The aim of the credit is to recognise and encourage the provision of guidance to enable occupiers to understand and operate the building efficiently. • 1 credit awarded as follows: • Where evidence is provided with regards to a standalone document covering as a minimum: • a) Building Services Information • b) Emergency Information • c) Energy & Environmental Strategy • d) Water Use • e) Transport Facilities • f) Materials and Waste Policy • h) Re-fit Considerations • j) Reporting Provision • k) Training • l) Links and references • m) General
3. Health and Wellbeing HW1 Daylighting HW2 View Out HW3 Glare Control HW4 High Frequency Lighting HW5 Internal and External Lighting Levels HW6 Lighting Zones HW8 Potential for Natural Ventilation HW9 Internal Air Pollution HW11 Ventilation Rates HW14 Thermal Comfort HW15 Thermal Zoning HW16 Microbial Contamination HW17 Acoustic Performance
3. HW1 Daylighting • The credits aim is to improve the level of daylighting for the building users. • 1 credit is awarded where at least 80% of net lettable office floor area is adequately daylit based on the following: • a) Where evidence is provided confirming that an average daylight factor has been achieved of at least 2% • Plus either b OR c and d below • b) A good uniformity ratio • c) A view of sky from the desk • d) Good room depth criterion
3. HW2 View Out • The credits aim is to allow occupants to refocus their eyes from close work and so reduce the risk of eye strain. • 1 credit is awarded as follows: • Where evidence provided demonstrates that all desks are within a 7m radius of a window.
3. HW3 Glare Control • The aim of the credit is to reduce problems with glare in internal occupied spaces. • 1 credit is awarded as follows: • Where evidence provided demonstrates that an occupant controlled glare control system (e.g. internal or external blinds) is fitted.
3. HW4 High Frequency Lighting • The aim of the credit is to reduce the risk of health problems related to the frequency of fluorescent lighting • 1 credit can be awarded as follows: • Where evidence provided demonstrates that high frequency ballasts are installed on all fluorescent and compact fluorescent lamps.
3. HW5 Internal & External Lighting Levels • The credits aim is to ensure lighting has been designed in line with best practice for suitability and visual comfort. • 1 credit is awarded as follows: • Where evidence provided demonstrates that all internal and external lighting, where relevant, is specified in accordance with the appropriate maintained illuminance levels (in lux) recommended by CIBSE
3. HW6 Lighting Zones • The credits aim is to optimise the level of occupant control over lighting within each workspace. • 1 credit is awarded as follows: • Where evidence provided demonstrates that lighting, in all occupied areas, is zoned to allow separate control. • Separate zones should be provided in accordance with the following: • a) Office and circulation areas • b) Office zones of no more than workplaces in office areas. • c) Workstations adjacent to windows/atria and other areas.
3. HW8 Potential for Natural Ventilation • The credits aim is to ensure adequate cross flow of air in naturally ventilated buildings and future adaptation to natural ventilation in air conditioned / mechanically ventilated buildings. • 1 credit is awarded as follows: • Where evidence provided demonstrates that external façade windows to all occupied areas are openable. • The openable window area in each room / floor plate should be equivalent to 5% of the gross internal floor area of that room / floor plate and for accommodation over 7m deep openable windows are on opposite sides. • For a naturally ventilated building which does not rely on openable windows, or which has a plan depth greater than 15m, the design team must demonstrate by calculation that the ventilation strategy provides adequate cross flow of air.
3. HW11 Ventilation Rates • The credits aim is to recognise the provision of adequate fresh air rates, in order to maintain a healthy indoor environment. • 1 credit is awarded as follows: • Where evidence provided demonstrates that each space within the development achieves recommended minimum fresh air rates. • Natural ventilation to be in accordance with the Building Regulations. • Mechanical ventilation is to provide a minimum of 12 litres per second per person.
3. HW14 Thermal Comfort • The credits aim is to encourage the use of design tools to ensure that thermal comfort is achieved. • 1 credit is awarded as follows: • Where thermal comfort levels are assessed at design stage, this is used to evaluate appropriate servicing options and appropriate thermal comfort levels are achieved. • Thermal comfort levels must meet the requirements of CIBSE Guide A. • Thermal model must have been carried out using software that is compliant with CIBSE AM11.
3. HW15 Thermal Zoning • The credits aim is to recognise the provision of controls allowing independent adjustment of heating / cooling systems to reflect differing load requirements. • 1 credit is awarded as follows: • Where evidence provided demonstrates that local occupant control is available for temperature adjustment in each area to reflect differing load requirements. • The heating / cooling system is designed to allow independent occupant thermal comfort, in all separate rooms / areas within the building. • Zoning allows separate occupant control to be made of each perimeter area (i.e. within 7m of each external wall) and the central zone. • Where long lag systems are specified these are designed to service the base load only and responsive secondary heating is provided which is zoned as above.
3. HW16 Microbial Contamination • The credits aim is to ensure the building services are designed and maintained to avoid risk of Legionellosis. • 1 credit is awarded as follows: • Where evidence provided demonstrates that the risk of waterborne and airborne legionella contamination has been minimised. • All water and HVAC systems are designed to meet the requirements of HSE Approved Code of Practice and Guidance L8 – Legionnaires disease The control of legionella in water systems 2000.
3. HW17 Acoustic Performance • The credits aim is to ensure the acoustic performance of the building meets the appropriate standards for its purpose. • 1 credit is awarded as follows: • Where evidence provided demonstrates that the building design can be shown to achieve the appropriate indoor ambient noise levels. • Indoor ambient noise level in unoccupied office falls within the following ranges: • a) 35-40 dB LAeqTin small offices • b) 40-45 dB LAeqT in medium offices • a) 45-50 dB LAeqT in large offices
3. Energy E1 Reduction of CO2 Emissions E2 Sub-metering of substantial energy uses E3 Sub-metering of areas / tenancy E4 External Lighting
3. E1 Reduction of CO2 Emissions • The credits aim is to recognise and encourage buildings that are designed to minimise the CO2 emissions associated with their operational energy consumption. • 1 to 15 credits are awarded as follows: • The percentage improvement in CO2 emissions above the Building Regulation is used to allocate the number of credits as illustrated below for new buildings. A different set of percentage improvement is provided for refurbishment projects. • 1 credit = +1% 10 credit = +22% • 2 credit = +2% 11 credit = +30% • 3 credit = +4% 12 credit = +40% • 4 credit = +6% 13 credit = +50% • 5 credit = +8% 14 credit = +60% • 6 credit = +10% 15 credit = +70% • 7 credit = +12% • 8 credit = +14% • 9 credit = +18%
3. E2 Sub-metering of Substantial Energy Users • The credits aim is to recognise and encourage the provision of energy sub metering to facilitate monitoring of energy use. • 1 credit is awarded as follows: • Where evidence provided demonstrate the provision of direct sub-metering of the following is provided (where present) • a) Space Heating • b) Humidification Plant • c) Cooling Plant • d) Fans (major) • e) Lighting • f) Small Power • g) Other major energy consuming items where appropriate
3. E3 Sub-metering of Areas / Tenancy • The credits aim is to recognise and encourage the provision of energy sub metering to facilitate monitoring by tenant or end user. • 1 credit is awarded as follows: • Where evidence provided demonstrates sub metering of energy use by tenancy / areas is installed within the building.
3. E4 External Lighting • The credits aim is to recognise and encourage the specification of energy efficient light fittings for external areas. • 1 credit is awarded as follows: • Where energy efficient external luminaires are specified and all light fittings controlled for the presence of daylight. • 80% of external luminaires have an efficacy of at least 100 luminaire lumens / circuit watt.
3. Transport T1 Provision of Public Transport T2 Transport CO2 T5 Cyclist Facilities T8 Travel Plan
3. T1 Provision of Public Transport • The credits aim is to recognise and encourage the selection of sites served by good public transport facilities. • 2 credits are awarded as follows: • Where good access is available to and from transport networks for commuting as follows(1 credit) • The distance from the building entrance to the public transport node (bus stop, station, etc.) is less than 500m and has a service at least once every 15 minutes at peak times (i.e. 8.00am – 10.00am and 5.00pm – 7.00pm on working days to a local urban centre. • Where good access is available to and from transport networks for business travel (1 credit) • The distance from the building entrance to the public transport node (bus stop, station, etc.) is less than 500m and has a service at least once every 30 minutes through the working day (i.e. 8.00am – 7.00pm) to a major transport node serving local and regional infrastructure systems.
3. T2 Transport CO2 • The credits aim is to reduce the production of CO2 emissions as a result of commuter travel to and from the building by its users. • 1 to 10 credits are awarded as follows: • 1 credit where total CO2 emissions are estimated to be <1300 kg/person/year • 2 credit where total CO2 emissions are estimated to be <1200 kg/person/year • 3 credit where total CO2 emissions are estimated to be <1100 kg/person/year • 4 credit where total CO2 emissions are estimated to be <1000 kg/person/year • 5 credit where total CO2 emissions are estimated to be <900 kg/person/year • 6 credit where total CO2 emissions are estimated to be <800 kg/person/year • 7 credit where total CO2 emissions are estimated to be <700 kg/person/year • 8 credit where total CO2 emissions are estimated to be <600 kg/person/year • 9 credit where total CO2 emissions are estimated to be <500 kg/person/year • 10 credit where total CO2 emissions are estimated to be <400 kg/person/year
3. T5 Cyclist Facilities • The credits aim is to encourage building occupants to cycle by ensuring adequate cyclist facilities are or will be present on site. • 2 credits are awarded as follows: • Where evidence is provided to demonstrate that there is adequate provision of covered, secure and well lit cycle racks and showers. (1 credit) • Where in addition to the above information is provided to demonstrate that there is adequate provision of changing facilities and lockers for clothes or a dedicated drying space for wet clothes. (2 credits)
3. T8 Travel Plan • The credits aim is to recognise the consideration given to accommodating a range of travel options for the building users, thereby encouraging the reduction of user reliance on forms of travel that have the highest environmental impact. • 1 credit is awarded as follows: • Where evidence is provided to demonstrate that a travel plan has been developed and tailored to the specific needs of the users of the assessed development. • The travel plan has been developed as part of the feasibility and design stages.
3. Water W1 Water Consumption W2 Water Meter W3 Major Leak Detection W4 Sanitary Supply Shut Off