BREEAM (Building Research Establishment’s Environmental Assessment Method) , this is the global’s primary manageability ranking tool that has resulted primarily to the focus on maintainability in construction strategies, growth and operation. BREEAM currently, is the collective standard which is confidentially adjusted, controlled and linked over a structure of the comprehensive superintendents, appraisers and production professionals, (Haapio & Viitaniemi 2008). Over its submission and exploitation BREEAM allows clients to compute and reduce the effects ecology of their organizations and in performing such creates bigger esteem, bring down hazard resources.
According to (Ding 2008). The Construction Industry’s commitment to environmental change and asset consumption presents two of the most noteworthy difficulties confronting building experts today. To lessen the negative impact forced by the Construction Industry on the condition the most normal and generally utilized Environmental Assessment Tool in the UK is BREEAM (Building Research Foundation Environmental Assessment Method).
BREEAM has extended from its unique spotlight on individual new structures at the development stage to incorporate the entire life cycle of structures from intending to being used and repair. Its consistent amendments and updates are driven by the continuous need to enhance maintainability, react to criticism from industry and bolster the UK’s supportability methodologies and responsibilities, (Ali & Al Nsairat 2009).
Profoundly adaptable, the BREEAM standard can be connected to for all intents and purposes any building and area, with renditions for new structures, existing structures, restoration tasks and vast improvements:
BREEAM New Development this is the standard of the BREEM which is the public and the new structures are managed in UK and surveyed. The engineers and their group mates makes use of the plan at its outline level and the whole procedure in obtaining the gauge, assessing , facilitating and also reflecting the structure and its execution.
BREEAM Global New Development this is the standard of the BREEAM which is used in evaluating the manageability of new secluded and also the public n structures in various nations which are found all around the globe, this is apart from the UK and different nations which have the national BREEAM conspire. This particular strategy makes use of the appraisal norms which consider the situations, desires, cyphers and scales of the nation and the area that the enhancement originates.
According to (Kavgic et al 2010). BREEAM Being used is a disposition to enable structuring administrators to decrease the running outlays and enrich the execution of the ecology of the structures which are existing. This has 3 parts which includes the following;
The first part is the building resource part
The second part of the building administration part.
The both parts, 1 and 2 can be applied to all businesses, institutions, non residentials, modern and retail structures
The third part is the occupier administration of the BREEAM uses the authorisation conspire now confined to workrooms. BREEAM Being used is broadly used by people from Global Manageability Union (ISA) that gives phase to confirmation against the strategy.
BREEAM Restoration gives an outline and evaluation strategy for economical lodging repair ventures, costing successfully boost the maintainability and the ecological implementation of previous abodes mightily. A strategy for the non-lodging restoration ventures is created and is fixated for post.. The post date will then be declared once the guiding and the autonomous acquaintance audit forms has been finished.
This paper researches BREEAM and its submission in the Building Industry concluded the methods for essential and optional information gathering techniques, comprising of a contextual investigation, interviews, survey what’s more, survey of the current data.
There are numerous mechanisms which decide the all-purpose implementation of another growth scheme gaged applying BREEAM, these are as per the following:
These essentials syndicate to yield a BREEAM rating which is for new building. The ratings are scored from zero to a hundred percentages. A building with a BREEAM rating of more than 85% is outstanding, excellent at a rating of 70%, a building with a BREEAM of 55% rated as very good. A building is rated as Good if its BREEAM benchmark ratings are more than or equal to 45% and a pass for a benchmark rating of above 30%. Buildings that fail to meet the BREEAM standards either because they do not meet the minimum environmental requirement or a pass performance threshold score.
BREEAM encompasses a balanced score card for assessment of building in terms of performance and environmental friendliness. This score card evaluates the basic and fundamental performance and environmental issues and hence has a minimum standards performance index.
The BES5301, BRE global core process standards, defines the environmental weightings in BREEAM. This ranks the impact of the building on the environment in aspects such as water, transport, energy, wastes and pollution, (Cole 2006).
BREEAM in the United Kingdom assesses the environmental issues into 51% individual characters. Where a building meets the minimum practice performance levels, BREEAM credits are awarded. The most important issues have the highest values on the BREEAM score card.
In order to support innovation in building and construction, BREEAM wards a point for every issues the engineers have displayed creativity and innovative skills. For each credit achieved due to innovation, a one percent is added on the overall building’s performance due to the innovations.
There is a standard procedure in determining the BREEAM rating of a building. The procedure is divided into 6 classes to simplify the criteria.
The contextual analysis had to be BREEAM compliant, so it was fundamental for me as an authorized BREEAM assessor to do a BREEAM appraisal to determine where the credits were accomplished and what should have been enhanced to accomplish the credits expected to achieve the Excellent rating.
In reference to (Wong & Fan 2013). The first step in the BREEAM evaluation of the building under case study was to investigate all of the nine sections of the environmental issues and the credits awarded according to the BREEAM criteria. In the assessment using the BREEAM tools, the categories are divided into sub categories that each are assigned a credit that is validated as confirmation of being met. The credits were sampled and added together to yield the results shown the table below.
BREEAM ENVIRONMENTAL ISSUE |
Credits achieved out of credits available |
Management |
14 out of 22 |
Health and wellbeing |
11 out 14 |
Energy |
16 out of 27 |
Transport |
6 out of 9 |
Water |
7 out of 9 |
Materials |
8 out of 12 |
Waste |
5 out of7 |
Land use and ecosystem protection |
7out of 10 |
Pollution |
8 out of 13. |
Innovation |
2 out of 10. |
In the next analysis, the credits percentage achieved was then calculated. This is clearly presented in the table below which includes the credit achieved which is out of the available credit in each category and therefore its respective percentage is also calculated .
BREEAM ENVIRONMENTAL ISSUE |
Credits achieved out of credits available |
% of credits achieved. |
Management |
14 out of 22 |
63.3% |
Health and wellbeing |
11 out 14 |
80% |
Energy |
16 out of 27 |
60% |
Transport |
6 out of 9 |
66.7% |
Water |
7 out of 9 |
77.8% |
Materials |
8 out of 12 |
66.7% |
Waste |
5 out of7 |
71.4% |
Land use and ecosystem protection |
7out of 10 |
70% |
Pollution |
8 out of 13. |
61.5% |
Innovation |
2 out of 10. |
20% |
When putting the BREEAM evaluation tool into consideration, the environmental weightings are valued with a fully fitted figure. The percentages which is calculated from the credits achieved are therefore multiplied by the section weighing to get individual section scores.
BREEAM ENVIRONMENTAL ISSUE |
Credits achieved out of credits available |
% of credits achieved. |
Section weighting |
Section score |
Management |
14 out of 22 |
63.3% |
0.12 |
7.6 |
Health and wellbeing |
11 out 14 |
80% |
0.15 |
12.0 |
Energy |
16 out of 27 |
60% |
0.15 |
9.0 |
Transport |
6 out of 9 |
66.7% |
0.09 |
6.0 |
Water |
7 out of 9 |
77.8% |
0.07 |
5.45 |
Materials |
8 out of 12 |
66.7% |
0.135 |
9.00 |
Waste |
5 out of7 |
71.4% |
0.085 |
7.14 |
Land use and ecosystem protection |
7out of 10 |
70% |
0.10 |
7.0 |
Pollution |
8 out of 13. |
61.5% |
0.10 |
61.5 |
Innovation |
2 out of 10. |
20% |
0.10 |
2.0 |
The section scores percentages are added together to get the minimum BREEAM score.
BREEAM ENVIRONMENTAL ISSUE |
Credits achieved out of credits available |
% of credits achieved. |
Section weighting |
Section score |
Management |
14 out of 22 |
63.3% |
0.12 |
7.6 |
Health and wellbeing |
11 out 14 |
80% |
0.15 |
12.0 |
Energy |
16 out of 27 |
60% |
0.19 |
11.4 |
Transport |
6 out of 9 |
66.7% |
0.08 |
6.0 |
Water |
7 out of 9 |
77.8% |
0.06 |
4.67 |
Materials |
8 out of 12 |
66.7% |
0.125 |
8.34 |
Waste |
5 out of7 |
71.4% |
0.075 |
5.36 |
Land use and ecosystem protection |
7out of 10 |
70% |
0.10 |
7.0 |
Pollution |
8 out of 13. |
61.5% |
0.10 |
6.15 |
Innovation |
2 out of 10. |
20% |
0.10 |
2.0 |
BREEAM score |
70.52 |
|||
BREEAM rating |
Excellent |
In order to ensure that performance is not over-looked in ensuring a good environmental BREEAM rating, minimum standards using the BREEAM rating levels are evaluated. The BREEAM issues are categorized and each section is awarded a mark according to the overall BREEAM score obtained. For the building in this case study, with an Excellent BREEAM rating, the following minimum standards were met:
BREEAM issue |
Credit score |
Project brief and design |
Yes |
Responsible construction practices |
Yes |
Aftercare |
Yes |
Reduction of emissions and energy use |
Yes |
Water consumption |
Yes |
Operational waste |
yes |
Minimising impact on the ecology |
yes |
Innovation |
Yes. |
In the BREEAM tools, the environmental issues are categorized into 10 individual classes of issues that are evaluated and rated using credits and the values added to obtain a score or 0 to 100% that determines the minimum standards and BREEAM rating of the building from unclassified with a score of less than 30% to outstanding with a score of more than 85%.
A total score of 22 credits is awarded in an outstandingly managed project and building. In the case study building, the following were awarded:
On the health and the wellbeing ,the total score of 14 credits was evaluated on the health and wellbeing of the building users. These were determined from the design of the building. The following were the issues evaluated under the BREEAM tool:
The building design incorporates innovative technologies for sustainability. The technologies are not rewarded as issues in the BREEAM tools and therefore meet the need for earning 2 innovation points, for the 2 innovation technologies applied in the plan.
The most great process of commissioning the BREEM is that which is planned direct from the inception of the project. The stage of commissioning begin at proper and good designing. In accordance to the CSA which in this case is the Commission Specialists Association, the recommended process of commissioning is that, the customer is responsible at appointing the engineer who verifies the commissioning and also monitors the process as the friend of the customer. The main commissioner is always appointed by the overall contractor of the building, but still the customer can still appoint the commissioner just directly. For this case, the client is assumed to be the sole owner of the property.
Conclusion
A brief description of the BREEM above has clearly indicated how the construction industry implements the BREEM as far as the scoring and the credit schemes are concerned. The goodness of the BREEM has also been faced on in the process of the description and the achievement of the credit scoring technique and costs being the most crucial for the BREEM. the above report also acknowledges that the BREEM is the most important technique in any construction industry and are very much impactions in the building arena. From the processes of data collection, it is concluded that the commencement of the BREEM has led to the increase in the construction program me therefore the cost of construction has also increased.
References.
Haapio, A. and Viitaniemi, P., 2008. A critical review of building environmental assessment tools. Environmental impact assessment review, 28(7), pp.469-482.
Ding, G.K., 2008. Sustainable construction—The role of environmental assessment tools. Journal of environmental management, 86(3), pp.451-464.
Ali, H.H. and Al Nsairat, S.F., 2009. Developing a green building assessment tool for developing countries–Case of Jordan. Building and Environment, 44(5), pp.1053-1064.
Kavgic, M., Mavrogianni, A., Mumovic, D., Summerfield, A., Stevanovic, Z. and Djurovic-Petrovic, M., 2010. A review of bottom-up building stock models for energy consumption in the residential sector. Building and environment, 45(7), pp.1683-1697.
Cole, R.J., 2006. Shared markets: coexisting building environmental assessment methods. Building Research & Information, 34(4), pp.357-371.
Wong, K.D. and Fan, Q., 2013. Building information modelling (BIM) for sustainable building design. Facilities, 31(3/4), pp.138-157.
Dakwale, V.A., Ralegaonkar, R.V. and Mandavgane, S., 2011. Improving environmental performance of building through increased energy efficiency: A review. Sustainable Cities and Society, 1(4), pp.211-218.
Pitt, M., Tucker, M., Riley, M. and Longden, J., 2009. Towards sustainable construction: promotion and best practices. Construction innovation, 9(2), pp.201-224.
Schweber, L., & Haroglu, H. 2014. Comparing the fit between BREEAM assessment and design processes. Building Research & Information, 42(3), 300-317.
Haroglu, H. 2012. The impact of Breeam on the design of buildings. In Proceedings of the Institution of Civil Engineers-Engineering Sustainability (Vol. 166, No. 1, pp. 11-19). Thomas Telford Ltd
Ross Jayne, M., & Mackay, J. 2010. BREEAM provides new and growing opportunities for work for building surveyors. Structural survey, 17(1), 18-21.
Crawley, D., & Aho, I. 2008. Building environmental assessment methods: applications and development trends. Building Research & Information, 27(4-5), 300-308.
BREEAM UK New Construction Scheme Technical Manual: Version: SD5076 – Issue: 0.1 (DRAFT) – Issue Date: 11/02/2014
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