economic environment
‘Greening’ Ireland’s Economy – Will Somebody Please Get Real ?
2011-11-21: The International Labour Office (ILO), in Geneva, and the European Union’s Centre for the Development of Vocational Training (CEDEFOP) … have recently published a Joint Report: ‘Skills for Green Jobs – A Global View’ …
ILO – EU CEDEFOP
‘Skills for Green Jobs – A Global View’ (a synthesis report based on 21 country reports)
Click the Link Above to read and/or download PDF File (5.3 Mb)
The vision is positive … its advice is practical … and the writers actually sound as if they know what they are talking about. And it is evident that the word ‘green’ is used, in this Report, as a simple means of communicating the far more complex concept of ‘sustainable human and social development’, with all of its many different aspects. Judge for yourself by reading the extract from the Executive Summary below.
This Report’s contents also complement, very neatly, what has been said here in many posts … concerning the institutional infrastructure necessary, in societies, to properly implement an effective response to policies of energy conservation and security, climate change and sustainable development.
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WAYS FORWARD [ Pages xxiv to xxvi, Executive Summary, ILO - EU CEDEFOP Report: 'Skills for Green Jobs - A Global View' ]
It is important to remember that skills are not a poor servant of the economy, expected merely to react and adjust to any change. The availability of a suitably trained workforce capable of further learning inspires confidence that in turn encourages investment, technical innovation, economic diversification and job creation.
Policies Need to be Informed, Coherent and Co-Ordinated
When policies to green the economy and policies to develop skills are not well connected, skill bottlenecks will slow the green transformation, and potential new jobs will be lost. Strategic, leadership and management skills that enable policy-makers in governments, employers’ associations and trade unions to set the right incentives and create enabling conditions for cleaner production and services are an absolute priority.
Environmental awareness as an integral part of education and training at all levels, introduced as a core skill from early childhood education onwards, will eventually push consumer behaviour and preferences and the market itself.
Labour market information for anticipating and monitoring skill needs for green jobs is the critical starting point for effective policy cycles. This enables governments and businesses to anticipate changes in the labour market, identify the impact on skill requirements, incorporate changes into the system by revising training programmes and introducing new ones, and monitor the impact of training on the labour market.
The country studies that told the most successful stories prove the value of effective co-ordination among line ministries and social partners, achieved by creating task forces for human resource development for a greening economy, or by incorporating training and skills issues into a council for environmental development. It is important that the platform for this dialogue has decision-making authority, can establish clear commitments among all those partners involved and allocate human and financial resources to them, and has agreed responsibilities not only for planning but for implementation. A win–win situation can only be achieved if environment, jobs and skills are discussed, planned and implemented in conjunction with each other.
Decentralized approaches can actually promote policy co-ordination and coherence at sectoral and local levels. Direct dialogue between national and regional governments and social partners can be translated into action when commitments and resource allocation occur at a smaller scale and where immediate dividends are obvious for all partners involved. A good combination of top-down co-ordinated policy-making with bottom-up sectoral or local initiatives can support effective training-intensive green transitions.
Policies Need to be Targeted
The transformation to greener economies provides an opportunity to reduce social inequalities. Social justice dictates that training initiatives target those who lose jobs during the transition, especially those who are typically at a disadvantage in the labour market and may require special assistance. The growth dividend from greening the economy will be attained only if access to new training provided as part of green measures is made accessible to disadvantaged youth, persons with disabilities, rural communities and other vulnerable groups. Incentives to increase women’s participation in technical training programmes will not only increase their participation in technology-driven occupations but also help solve the skill shortage problem in this segment of the labour market.
Green Transitions Affect the Entire Training System
Taking into account all three types of skills change – that resulting from employment shifts within and across sectors as the consequence of green restructuring, that associated with new and emerging occupations, and the massive change in the content of established occupations – it becomes clear that the whole training system must be mobilized. Adjusting training programmes to green changes in the labour market is a transversal task across levels and types of education and training.
So far, compulsory level and tertiary education have been catching up rather well, whereas technical and vocational education and training has been lagging behind in adapting to the needs of the green economy. Improving adjustment here can give new impetus to employment-centred and fair green transitions and requires the following key challenges to be met:
- Putting basic skills high on the policy agenda, as a foundation of flexibility and employability throughout the life cycle ;
- Matching classroom and practical training through apprenticeships, internships, job placements, projects on the job etc ;
- Adjusting the length and breadth of training provision according to different types of skills change ;
- Equipping teachers and trainers with up-to-date knowledge on environmental issues and on green technologies – education and training which deals with preparation of teachers and trainers should be one of the first priorities in skills response strategies ;
- Enabling active labour market policy measures (ALMP’s) to take into account green structural change and to provide access to relevant training and other employment activation measures ; and
- Deploying public employment services (PES), as important players in job matching and training, to raise awareness about green business opportunities and related skill needs.
The linchpin of effective skills development for greening the economy is co-ordination. The degree of co ordination between public and private stakeholders and the degree of involvement of social partners are decisive. Concerted measures need to be undertaken by governments at different levels, including the community level, employers and workers, through institutional mechanisms of social dialogue, such as national or regional tripartite councils, sector or industry skills councils, public–private partnerships and the like.
Developing Countries Need Special Measures
Developing countries, and the workers and employers in them, have the least responsibility for climate change and environmental degradation but suffer their economic and social consequences disproportionately. Special measures that can speed their employment-centred green transformations include:
- capacity building for employers in the informal economy and micro- and small enterprises to enter green markets in localities where they are most needed ;
- entrepreneurship training and business coaching for young people and adults to start up green businesses in conjunction with micro-finance projects ;
- environmental awareness among decision-makers, business leaders and administrators as well as institutions of formal and non-formal training systems ;
- capacity building of tripartite constituents to strengthen social dialogue mechanisms and to apply these to dialogue about accessibility of training for green jobs ; and
- increased capacity of formal education and training systems and institutions to provide basic skills for all and to raise the skills base of the national workforce ; this includes improving apprenticeship systems and building synergies with NGO’s that provide education and training.
These measures can only be taken if resources are available. It is therefore recommended that not only national governments but also international partnerships in developing countries take these recommendations into account both in environment programmes and in skills development programmes.
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‘GREENING’ IRELAND’s ECONOMY ?
Ireland was not one of the countries examined in the ILO / EU CEDEFOP Project. That should tell us a lot !
BUT … just pause for a moment … and meditate on the many skill-related issues arising from the debacle at the Priory Hall Apartment Development, in Dublin.
AND NOW … read the following extracts from recent Irish National Reports … ‘high notions’ from goats in the Kerry Mountains …
The Overarching Vision – Forfás Report: ‘Future Skills Needs of Enterprise within the Green Economy in Ireland’ (November 2010) …
” For Ireland to be the benchmark ‘smart green’ economy for population centres under 20 million by 2015 – and to have the skills base and talent to drive innovative and high value products and services and maximise future business and employment growth potential.”
Final Paragraphs, #7 Conclusions – Review of National Climate Policy (November 2011) …
” In the wider-international context, there are also encouraging signs of a new ‘green growth’ paradigm which emphasises resource efficiency, the protection of natural resources and competitiveness along with the creation of new jobs. A long-term view of how Ireland aligns its economic development with the demands of the growth engines of global commerce should be at the core of a low-carbon development vision. In order to create enabling conditions for selling into these markets, many of which are already gearing up for the green economy, it will be necessary to ensure that the domestic conditions are right to encourage innovation. This can be done by showing environmental ambition and using tools that allow the market to identify solutions. That will require a combination of taking the best of what is working in other countries as well as devising domestically appropriate policies that will place Ireland in the vanguard of countries making the most of the opportunities presented by the green economy.
In terms of a long-term national vision of a carbon-constrained world, Ireland is faced with both the challenge of addressing a unique greenhouse gas emissions profile and the opportunity to position itself as an enlightened society with an environmentally sustainable and competitive, low-carbon economy. Developing the policies to put Ireland on a clear and definite path to achieve that vision is the immediate priority.”
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Who Are These Moráns ?!? Will Somebody Please Get Real !?!
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NIST WTC Recommendations 4-7 > Structural Fire Endurance
First Post in This Series …
2011-10-25: NIST’s Recommendations on the 9-11 WTC Building Collapses … GROUP 1. Increased Structural Integrity – Recommendations 1, 2 & 3 (out of 30)
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2011-11-18: SOME PRELIMINARY COMMENTS …
1. Before launching into the next Group of NIST WTC Recommendations, it would be useful to distinguish between the following technical terms … which have been adapted from ISO/TR 10158: ‘Principles and Rationale Underlying Calculation Methods in Relation to Fire Resistance of Structural Elements’ …
Real Fire: A fire which develops in a building and which is influenced by such factors as the type of building and its occupancy; the combustible content (fire load); the ventilation, geometry and thermal properties of the fire compartment, or building space (should no fire compartmentation exist); the fire suppression systems in the building and the actions of the fire services.
Real Fires are complex phenomena. Consequently, in structural fire engineering, idealized versions of ‘real fires’ are employed.
Experimental Fire: A full or reduced scale fire with specified and controlled characteristics.
Design Fire: A fire with specified exposure data intended for use in connection with structural fire engineering calculations.
A Design Fire may either be representative of the thermal exposure described by the standard time-temperature-pressure relationship in an International/European/National Standard, or some non-standard exposure intended to simulate particular fire exposure conditions.
However, in SDI Technical Guidance Note 95/102: ‘Proper Evidence of a Fire Test Result within the European Economic Area (EEA)’, issued on 22 May 1995, I included the following caution …
#1.7 A Fire Test in a Fire Test Laboratory, involving exposure of a test specimen or prototype to ‘test fire’ conditions, gives only a limited indication of: (a) the likely performance of a particular product, material or component when exposed to ‘real fire’ conditions; and (b) the suitability of a product, material or component for a particular end use.
2. In conventional fire engineering, much confusion arises because of a failure to properly distinguish between these two concepts …
Fire Resistance
The inherent capability of a building assembly, or an ‘element of construction’, to resist the passage of heat, smoke and flame for a specified time during a fire.
Structural Reliability
The ability of a structural system to fulfil its design purpose, for a specified time, under the actual environmental conditions encountered in a building.
[ In structural fire engineering, the concern must be that the structure will fulfil its purpose, both during the fire - and for a minimum period afterwards, during the 'cooling phase'.]
3. Therefore, with regard to Recommendation 6 … it is more correct and precise to refer to ‘Steel Fire Protection Systems’, rather than to ‘steel fire resisting materials’ ! AND … the same questions must be asked about All Lightweight Steel Fire Protection Systems … not just the sprayed systems.
Lightweight Fire Protection Systems are also used to protect concrete in buildings and tunnels.
4. These 2005 NIST Recommendations will later be confirmed, and further reinforced, by the 2008 NIST Recommendations. Bringing Recommendation 7, below, closer to home … it is interesting to note that a very necessary discussion on the technical adequacy of the approach taken to structural performance in fire … in both Technical Guidance Document B (Ireland) and Approved Document B (England & Wales) … has yet not even commenced !
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2005 NIST WTC RECOMMENDATIONS
GROUP 2. Enhanced Fire Endurance of Structures
The procedures and practices used to ensure the fire endurance of structures should be enhanced by improving the technical basis for construction classifications and fire resistance ratings, improving the technical basis for standard fire resistance testing methods, use of the ‘structural frame’ approach to fire resistance ratings, and developing in-service performance requirements and conformance criteria for sprayed fire resisting materials.
NIST WTC Recommendation 4.
NIST recommends evaluating, and where needed improving, the technical basis for determining appropriate construction classifications and fire rating requirements (especially for tall buildings) – and making related code changes now, as much as possible – by explicitly considering factors including: *
[ * F-23 The construction classification and fire rating requirements should be risk-consistent with respect to the design-basis hazards and the consequences of those hazards. The fire rating requirements, which were originally developed based on experience with buildings less than 20 storeys in height, have generally decreased over the past 80 years since historical fire data for buildings suggest considerable conservatism in those requirements. For tall buildings, the likely consequences of a given threat to an occupant on the upper floors are more severe than the consequences to an occupant on the first floor or the lower floors. For example, with non-functioning elevators, both of the time requirements are much greater for full building evacuation from upper floors and emergency responder access to those floors. It is not clear how the current height and areas tables in building codes consider the technical basis for the progressively increasing risk to an occupant on the upper floors of tall buildings that are much greater than 20 storeys in height.]
- timely access by emergency responders and full evacuation of occupants, or the time required for burnout without partial collapse ;
- the extent to which redundancy in active fire protection systems (sprinklers and standpipe, fire alarm, and smoke management) should be credited for occupant life safety ; *
[ * F-24 Occupant life safety, prevention of fire spread, and structural integrity are considered separate safety objectives.]
- the need for redundancy in fire protection systems that are critical to structural integrity ; *
[ * F-25 The passive fire protection system (including fire protection insulation, compartmentation, and fire stopping) and the active sprinkler system each provide redundancy for maintaining structural integrity in a building fire, should one of the systems fail to perform its intended function.]
- the ability of the structure and local floor systems to withstand a maximum credible fire scenario* without collapse, recognizing that sprinklers could be compromised, not operational, or non-existent ;
[ * F-26 A maximum credible fire scenario includes conditions that are severe, but reasonable to anticipate, conditions related to building construction, occupancy, fire loads, ignition sources, compartment geometry, fire control methods, etc., as well as adverse, but reasonable to anticipate operating conditions.]
- compartmentation requirements (e.g. 1,200 sq.m *) to protect the structure, including fire rated doorsets and automatic enclosures, and limiting air supply (e.g. thermally resisting window assemblies) to retard fire spread in buildings with large, open floor plans ;
[ * F-27 Or a more appropriate limit, which represents a reasonable area for active fire fighting operations.]
- the effect of spaces containing unusually large fuel concentrations for the expected occupancy of the building ; and
- the extent to which fire control systems, including suppression by automatic or manual means, should be credited as part of the prevention of fire spread.
Adoption of this Recommendation will allow building codes to distinguish the risks associated with different building heights, fuel concentrations, and fire protection systems. Research is needed to develop the data and evaluate alternative proposals for construction classifications and fire ratings. Model Building Codes: A comprehensive review of current construction classifications and fire rating requirements and the establishment of a uniform set of revised thresholds with a firm technical basis that considers the factors identified above should be undertaken.*
[ * F-28 The National Fire Protection Association (NFPA) 5000 model code and the International Building Code (IBC) both recognize the risks associated with different building heights and accepted changes in 2001 and 2004, respectively. Both model codes now require that buildings 126 metres and higher have a minimum 4 hour structural fire resistance rating. The previous requirement was 2 hours. The change provides increased fire resistance for the structural system leading to enhanced tenability of the structure and gives firefighters additional protection while fighting a fire. While NIST supports these changes as an interim step, NIST believes that it is essential to complete a comprehensive review that will establish a firm technical basis for construction classifications and fire rating requirements.]
NIST WTC Recommendation 5.
NIST recommends that the technical basis for the century-old standard for fire resistance testing of components, assemblies and systems be improved through a national effort. Necessary guidance also should be developed for extrapolating the results of tested assemblies to prototypical building systems. A key step in fulfilling this Recommendation is to establish a capability for studying and testing components, assemblies, and systems under realistic fire and load conditions.
This effort should address the technical issues listed below: *
[ * F-29 The technical issues were identified from the series of four fire resistance tests of the WTC Floor system, and the review and analysis of relevant documents that were conducted as part of this Investigation.]
a. Criteria and test methods for determining:
- structural limit states, including failure, and means for measurement ;
- effect of scale of test assembly versus prototype application, especially for long-span structures that significantly exceed the size of test furnaces ;
- effect of restraining thermal expansion (end-restraint conditions) on test results, especially for long-span structures that have greater flexibility ;
- fire resistance of structural connections, especially the fire protection required for a loaded connection to achieve a specified rating ; *
[ * F-30 There is a lack of test data on the fire resistance ratings of loaded connections. The fire resistance of structural connections is not rated in current practice. Also, standards and codes do not provide guidance on fire protection requirements for structural connections when the connected members have different fire resistance ratings.]
- effect of the combination of loading and exposure (time-temperature profile) required to adequately represent expected conditions ;
- the repeatability and reproducibility of test results (typically, results from a single test are used to determine the rating for a component or assembly) ; and
- realistic ratings for structural assemblies made with materials that have improved elevated temperature properties (strength, modulus, creep behaviour).
b. Improved procedures and guidance to analyze and evaluate existing data from fire resistance tests of building components and assemblies for use in qualifying an untested building element.
c. Relationships between prescriptive ratings and performance of the assembly in real fires.
Affected National and International Standards: * ASTM E 119, NFPA 251, UL 263, and ISO 834. Model Building Codes: The standards should be adopted in model building codes by mandatory reference to, or incorporation of, the latest edition of the standard.
[ * F-31 While the NIST Recommendations are focused mainly on U.S. national standards, each U.S. standard has counterpart international standards. In a recent report (ISO/TMB AGS N 46), the International Organization for Standardization (ISO), through its Advisory Group for Security (AGS), has recommended that since many of the ISO standards for the design of buildings date back to the 1980's, they should be reviewed and updated to make use of the studies done by NIST on the World Trade Center disaster, the applicability of new technology for rescue from high buildings, natural disasters, etc. ISO's Technical Advisory Group 8 co-ordinates standards work for buildings.]
NIST WTC Recommendation 6.
NIST recommends the development of criteria, test methods, and standards: (1) for the in-service performance of Sprayed Fire Resisting Materials (SFRM, also commonly referred to as fire protection insulation) used to protect structural components; and (2) to ensure that these materials, as installed, conform to conditions in tests used to establish the fire resistance rating of components, assemblies, and systems.
This should include:
- Improved criteria and testing methodologies for the performance and durability of SFRM (e.g. adhesion, cohesion, abrasion, and impact resistance) under in-service exposure conditions (e.g. temperature, humidity, vibration, impact, with/without primer paint on steel*) for use in acceptance and quality control. The current test method to measure the bond strength, for example, does not distinguish the cohesive strength from the tensile and shear adhesive strengths. Nor does it consider the effect of primer paint on the steel surface. Test requirements that explicitly consider the effects of abrasion, vibration, shock, and impact under normal service conditions are limited or do not exist. Also, the effects of elevated temperatures on thermal properties and bond strength are not considered in evaluating the performance and durability of SFRM.
[ * F-32 NIST tests show that the adhesive strength of SFRM on steel coated with primer paint was a third to half of the adhesive strength on steel that had not been coated with primer paint. The SFRM products used in the WTC towers were applied to steel components coated with primer paint.]
- Inspection procedures, including measurement techniques and practical conformance criteria, for SFRM in both the building codes and fire codes for use after installation, renovation, or modification of all mechanical and electrical systems and by fire inspectors over the life of the building. Existing standards of practice (AIA MasterSpec and AWCI Standard 12), often required by codes for some buildings need to be broadly applied to both new and existing buildings. These standards may require improvements to address the issues identified in this Recommendation.
- Criteria for determining the effective uniform SFRM thickness – thermally equivalent to the variable thickness of the product as it is actually applied – that can be used to ensure that the product in the field conforms to the near uniform thickness conditions in the tests used to establish the fire resistance rating of the component, assembly, or system. Such criteria are needed to ensure that the SFRM, as installed, will provide the intended performance.
- Methods for predicting the effectiveness of SFRM insulation as a function of its properties, the application characteristics, and the duration and intensity of the fire.
- Methods for predicting service life performance of SFRM under in-service conditions.
Affected Standards: AIA MasterSpec and AWCI Standard 12 for field inspection and conformance criteria; ASTM standards for SFRM performance criteria and test methods. Model Building Codes: The standards should be adopted in model building codes by mandatory reference to, or incorporation of, the latest edition of the standard. (See Recommendation 10 for more on this issue.)
NIST WTC Recommendation 7.
NIST recommends the adoption and use of the ‘structural frame’ approach to fire resistance ratings. This approach requires that structural members – such as girders, beams, trusses, and spandrels having direct connection to the columns, and bracing members designed to carry gravity loads – be fire protected to the same fire resistance rating as columns. This approach is currently required by the International Building Code (IBC), one of the model codes, and is in the process of adoption by NFPA 5000, the other model code. This requirement ensures consistency in the fire protection provided to all of the structural elements that contribute to overall structural stability.* State and local jurisdictions should adopt and enforce this requirement.
[ * F-33 Had this requirement been adopted by the 1968 New York City building code, the WTC floor system, including its connections, would have had the 3 hour rating required for the columns since the floors braced the columns.]
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Corporate Social Responsibility – Updated EU Strategy 2011-14
2011-11-15: The European Commission, in Brussels, recently published a New European Union Policy Document on Corporate Social Responsibility (CSR) … COM(2011) 681 final – Brussels, 2011-10-25.
To access this document … just go down to the EUR-Lex Link on the right hand side of this Page.
The Updated EU CSR Strategy for 2011-2014 signals an important change of direction … more a re-balancing of emphasis … which enterprises, of all sizes, should immediately be aware of … and whether or not these enterprises are located within Europe … or outside, as far away as China, India, Japan, South Africa, the USA or Brazil, etc.
The Updated CSR Strategy also confirms how the merging of the different and interrelated aspects of Sustainable Human & Social Development, i.e. social, economic, environmental, institutional, political and legal … is progressing nicely, and gathering some momentum. We have discussed this issue here many times … and promoted it elsewhere in our work, particularly during the last decade. How time flies !
[ In this last regard, reference should also be made to the United Nations Development Programme (UNDP) 2011 Human Development Report: 'Sustainability and Equity - A Better Future for All', which was launched in Copenhagen on 2 November 2011.]
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A New Definition for Corporate Social Responsibility (CSR) …
The European Commission puts forward a new definition of CSR as ‘the responsibility of enterprises for their impacts on society’.
Respect for applicable legislation and for collective agreements between social partners are prerequisites for meeting that responsibility. To fully meet their corporate social responsibility, enterprises should have in place a process to integrate social - environmental - ethical - human rights and consumer concerns into their business operations and core strategy in close collaboration with their stakeholders, with the aim of:
- maximising the creation of shared value for their owners/shareholders, and for their other stakeholders and society at large ;
- identifying, preventing and mitigating their possible adverse impacts.
The complexity of that process will depend on factors such as the size of the enterprise and the nature of its operations. For most small and medium-sized enterprises, especially micro-enterprises, the CSR Process is likely to remain informal and intuitive.
To maximise the creation of shared value, enterprises are encouraged to adopt a long-term, strategic approach to CSR, and to explore the opportunities for developing innovative products, services and business models that contribute to Social Wellbeing and lead to higher quality and more productive jobs.
To identify, prevent and mitigate their possible adverse impacts, large enterprises, and enterprises at particular risk of having such impacts, are encouraged to carry out risk-based due diligence, including through their supply chains.
Certain types of enterprise, such as co-operatives, mutuals, and family-owned businesses, have ownership and governance structures that can be especially conducive to responsible business conduct.
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The Updated EU CSR Strategy elaborates an Action Agenda for 2011-2014 …
1. Improving Company Disclosure of Social and Environmental Information: the new strategy confirms the European Commission’s intention to bring forward a new legislative proposal on this issue.
2. Enhancing Market Reward for CSR: this means leveraging EU Policies in the fields of consumption, investment and public procurement in order to promote market reward for responsible business conduct.
3. Enhancing the Visibility of CSR and Disseminating Good Practices: this includes the creation of a European award, and the establishment of sector-based platforms for enterprises and stakeholders to make commitments and jointly monitor progress.
4. Improving and Tracking Levels of Trust in Business: the European Commission will launch a public debate on the role and potential of enterprises, and organise surveys on citizen trust in business.
5. Better Aligning European and International Approaches to CSR: the European Commission highlights the following …
- OECD Guidelines for Multinational Enterprises ;
- 10 Principles of the UN Global Compact ;
- UN Guiding Principles on Business and Human Rights ;
- ILO Tri-Partite Declaration of Principles on Multinational Enterprises and Social Policy ;
- ISO 26000 Guidance Standard on Social Responsibility.
6. Further Integrating CSR into Education, Training and Research: the European Commission will provide further support for education and training in the field of CSR, and explore opportunities for funding more research.
7. Improving Self- and Co-Regulation Processes: the European Commission proposes to develop a short protocol to guide the development of future self- and co-regulation initiatives.
8. Emphasising the Importance of National and Sub-National CSR Policies: the European Commission invites EU Member States to present or update their own plans for the promotion of CSR by mid 2012.
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European Commission COM(2011) 681 final – Brussels, 2011-10-25 (PDF File, 136 kb)
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Sustainable Fire Engineering – IABSE Lecture 1 December 2011
2011-11-14 …
On Thursday evening, 1st December 2011, at 19.00 hrs … in the Dublin Institute of Technology … I will present an IABSE-Ireland Sponsored Lecture on the subject: ‘Sustainable Fire Engineering IS THE FUTURE !’.
This Presentation has been in continuous development across a snaking international path … Dubayy (UAE) in 2008 … Lund (Sweden) and Bengaluru (India) in 2009 … Dilli (India), Zurich (Switzerland) and Dublin (Ireland) in 2010 … Paris (France), the IFE’s International Fire Conference in Cardiff (Wales) and the ASFP-Ireland Fire Seminar in 2011 … and on 1 December next, in Dublin, I will be introducing some tough new realities for fire engineering generally … not just in Ireland …
Colour photograph showing the impact of witnessing the 9-11 WTC Incident in New York. Sustainable Fire Engineering must be 'reliability-based' & 'person-centred'. But ... do building designers, including fire engineers, actually understand that the people who use their buildings are 'individuals' ... each having a different range of abilities ? Photograph by Marty Lederhandler/AP. Click to enlarge.
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IABSE Irish National Group Sponsored Lecture
Dublin Institute of Technology, Bolton Street – Michael O’Donnell Room (259)
Thursday, 1 December 2011 @ 19.00 hrs / 7.00 p.m.
CJ Walsh: Sustainable Fire Engineering IS THE FUTURE ! (Lecture Flyer, PDF File, 259 kb)
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The aim of Sustainable Fire Engineering is to realize a safe and sustainable built environment.
Responding ethically, in built and/or wrought form, to the still evolving concept of sustainable human and social development … a principal objective of Sustainable Fire Engineering is to design for maximum credible fire and user scenarios … in order to maintain a proper and satisfactory level of fire safety and protection over the full life cycle of, for example, a building … and for a Sustainable Building, that life cycle is 100 years minimum.
Sustainable Fire Engineering must, therefore, be ‘reliability-based’ & ‘person-centred’.
This presentation will examine the authentic language and meaning of sustainability … and will then track how this impacts on the professional practice of fire engineering. Special mention will be made of Fire-Induced Progressive Collapse.
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See you all there ! And I will be looking forward to a lot of challenging feedback on the night !!
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Some Interesting Images From Italy – October 2011
2011-11-07: Images from a recent business trip to the Region of Le Marche, in Italy … a region steeped in history, and rich in beautiful landscape, and good friends, food and wine … via Rome’s Ciampino Airport.
Without realizing it, the flight into Rome came just after a very serious storm had hit the north-west coastal Regions of Liguria & Toscana … even the central Region of Lazio received a lash. Devastatingly destructive flash floods had resulted. Many people were killed. The recent bad flooding in Dublin was just a tea party in comparison !
1. Anti-Sustainable ‘Photovoltaic Fields’
Not small greenhouses ! Instead, let me introduce you to the new concept of the Photovoltaic Field … where good agricultural land has been ‘planted’ with photovoltaic panels, incentivized by grants, tax breaks, or whatever (does it really matter ?!?) … how sustainable is this ? These fields are becoming quite a common sight in the Italian countryside …
Colour photograph showing a Photovoltaic Field near the road from Amandola to Macerata, in Le Marche ... where good agricultural land has been 'planted' with photovoltaic panels. Photograph by CJ Walsh. 2011-10-29. Click to enlarge.
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2. Petrol/Gasoline Prices in Italy Now
This was a good average … depending on location, however, Petrol/Gasoline Prices could vary by as much as ± 3 to 4 cents …
Colour photograph showing the prices of different grades of petrol and diesel at a Petrol Station in Rome's Ciampino Airport, in Italy. Photograph by CJ Walsh. 2011-10-26. Click to enlarge.
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3. Braille Maps at Building Entrances/Exits
A good example of a Braille Map, which should be located at the Entrances and Exits of All Buildings … essential for the blind - the visually impaired - those with frail sight … and very useful for travellers/visitors, generally, who are unfamiliar with their surroundings and need to rapidly access information about their location and orientation …
Colour photograph showing a good example of a Braille Map, having strong colour contrast and with texts in Italian and English, at the Arrivals Building Main Entrance/Exit in Rome's Ciampino Airport. Photograph by CJ Walsh. 2011-10-26. Click to enlarge.
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4. Corrado Levantesi – Montefortino, Le Marche
Finally and most importantly, I want to remember a good friend … Corrado Levantesi, who died one day after his 51st Birthday, on 15 September 2011, following a long illness. May he rest in peace …
Photograph by CJ Walsh. 2011-10-31. Click to enlarge.
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SDI Practice Note: Due to administrative changes in the Provincial Boundaries of Le Marche … our Italian Address has been altered to …
Sustainable Design International Ltd., Via Doganelli 2, 63857 Amandola (FM), Italia.
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NIST’s Recommendations on the 9-11 WTC Building Collapses
2011-10-25: Since shortly after my visit to Lower Manhattan in mid-October 2001 … we have maintained an Archive Page on ‘Structural Fire Engineering, World Trade Center Incident (9-11) & Fire Serviceability Limit States‘ … at SDI’s Corporate WebSite. And I have referenced here … many, many times … the Recommendations contained in the 2005 & 2008 Final Reports of the U.S. National Institute of Standards & Technology (NIST) on the 9-11 World Trade Center Building 1, 2 & 7 Collapses.
In this post (and a series of future posts) … I find it most necessary that the 2005 & 2008 NIST Recommendations now be presented for everyone to read. Yes, some of Recommendations apply specifically to Tall and Very Tall Buildings … and Building Designers in India, China, Brazil, Russia & South Africa (BRICS), the Arab Gulf Region, Europe and North America, etc., should be fully aware of their contents.
BUT … I am also strongly convinced … precisely because I am an Architect, a Fire Engineer and a Technical Controller … that most of the NIST Recommendations apply to ALL Buildings … so catastrophic was the failure exposed on that fateful day (11 September 2001) … in all of our common design and construction practices … and our operation, maintenance and emergency response procedures !
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PRELIMINARY COMMENTS
1. Extract from Paragraph #9.2, Chapter 9, NIST Final Report on the Collapse of the World Trade Center Towers – Report Reference NIST NCSTAR 1 (2005) …
- NIST believes that these Recommendations are both realistic and achievable within a reasonable period of time, and that their implementation would make buildings safer for occupants and emergency responders in future emergencies.
- NIST strongly urges that immediate and serious consideration be given to these Recommendations by the building and fire safety communities – especially designers, owners, developers, codes and standards development organizations, regulators, fire safety professionals, and emergency responders.
- NIST also strongly urges building owners and public officials to: (i) evaluate the safety implications of these Recommendations for their existing inventory of buildings; and (ii) take the steps necessary to mitigate any unwarranted risks without waiting for changes to occur in codes, standards, and practices.
2. At the time of writing … it is important to point out that although they are related Structural Concepts … and there is still, to this day, a lot of confusion about these concepts in the USA … it is important to clearly distinguish between …
Disproportionate Damage
The failure of a building’s structural system (i) remote from the scene of an isolated overloading action; and (ii) to an extent which is not in reasonable proportion to that action.
Fire-Induced Progressive Collapse
The sequential growth and intensification of distortion, displacement and failure of elements of construction in a building – during a fire and the ‘cooling phase’ afterwards – which, if unchecked, will result in disproportionate damage, and may lead to total building collapse.
3. Recommendation 2, below, would certainly need to be understood and implemented within today’s additional design constraints of Sustainable Climate Change Adaptation and Resilience to Severe Weather Events. Therefore … Design Wind Speeds must be increased, accordingly, for ALL Buildings.
4. As such a high level of performance is expected … indeed demanded … of a Sustainable Building … Sustainable Fire Engineering must be ‘reliability-based’. In other words, it must have a rational, empirical and scientifically robust basis … unlike conventional fire engineering, which is yet aimlessly wandering around in pre-historic caves !
5. Finally … there is no use trying to hide the fact that progress on implementing the NIST Recommendations, within the USA, has been lamentably slow. Outside that jurisdiction, the response has ranged from mild interest, to complete apathy, and even to vehement antipathy. The implications arising from implementation are much too hard to digest … for long established fire safety professionals and researchers who are unswervingly committed to the flawed and out-of-date practices and procedures of conventional fire engineering and, especially, for vested interests !
However … is it either in society’s interest, or in the interests of our clients/client organizations … that, to give you a simple example which is relevant close to home, British Standard 9999 (published on 31 October 2008): ‘Code of Practice for Fire Safety in the Design, Management and Use of Buildings’ takes absolutely no account of any of the NIST Recommendations ? As far as the British Standards Institution is concerned … 9-11 never happened … which I think is an inexcusable and unforgivable technical oversight !
For this reason, the General Public in ALL of our societies and Clients/Client Organizations in ALL countries should also be fully aware of the contents of these Recommendations …
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Colour photograph showing the two World Trade Center Towers immediately after the impact of the second plane. At a fundamental level, this was a very serious 'real' fire incident ... which was extensively, and very thoroughly, investigated by the U.S. National Institute of Standards & Technology (NIST) ... and resulted in the important 2005 & 2008 NIST Recommendations. Click to enlarge.
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2005 NIST WTC RECOMMENDATIONS
GROUP 1. Increased Structural Integrity
The standards for estimating the load effects of potential hazards (e.g. progressive collapse, wind) and the design of structural systems to mitigate the effects of those hazards should be improved to enhance structural integrity.
NIST WTC Recommendation 1.
NIST recommends that: (1) progressive collapse be prevented in buildings through the development and nationwide adoption of consensus standards and code provisions, along with the tools and guidelines needed for their use in practice; and (2) a standard methodology be developed – supported by analytical design tools and practical design guidance – to reliably predict the potential for complex failures in structural systems subjected to multiple hazards.
a. Progressive collapse* should be prevented in buildings.
[ * F-19 Progressive collapse (or disproportionate damage) occurs when an initial local failure spreads from structural element to structural element resulting in the collapse of an entire structure or a disproportionately large part of it.]
The primary structural systems should provide alternate paths for carrying loads in case certain components fail (e.g. transfer girders or columns). This is especially important in buildings where structural components (e.g. columns, girders) support unusually large floor areas.*
[ * F-20 While the WTC towers eventually collapsed, they had the capacity to redistribute loads from impact and fire damaged structural components and sub-systems to undamaged components and sub-systems. However, the core columns in the WTC towers lacked sufficient redundant (alternative) paths for carrying gravity loads.]
Progressive collapse is addressed only in a very limited way in practice and by codes and standards. For example, the initiating event in design to prevent progressive collapse may be removal of one or two columns at the bottom of the structure. Initiating events at multiple locations within the structure, or involving other key components and sub-systems, should be analyzed commensurate with the risks considered in the design. The effectiveness of mitigation approaches involving new system and sub-system design concepts should be evaluated with conventional approaches based on indirect design (continuity, strength and ductility of connections), direct design (local hardening), and redundant (alternate) load paths. The capability to prevent progressive collapse due to abnormal loads should include: (i) comprehensive design rules and practice guides; (ii) evaluation criteria, methodology, and tools for assessing the vulnerability of structures to progressive collapse; (iii) performance-based criteria for abnormal loads and load combinations; (iv) analytical tools to predict potential collapse mechanisms; and (v) computer models and analysis procedures for use in routine design practice. The federal government should co-ordinate the existing programmes that address this need: those in the Department of Defence; the General Services Administration; the Defence Threat Reduction Agency; and NIST. Affected Standards: ASCE-7, AISC Specifications, and ACI 318. These standards and other relevant committees should draw on expertise from ASCE/SFPE 29 for issues concerning progressive collapse under fire conditions. Model Building Codes: The consensus standards should be adopted in model building codes (i.e. the International Building Code and NFPA 5000) by mandatory reference to, or incorporation of, the latest edition of the standard. State and local jurisdictions should adopt and enforce the improved model building codes and national standards based on all 30 WTC Recommendations (2005). The codes and standards may vary from the WTC Recommendations, but satisfy their intent.
b. A robust, integrated predictive capability should be developed, validated, and maintained to routinely assess the vulnerability of whole structures to the effects of credible hazards. This capability to evaluate the performance and reserve capacity of structures does not exist and is a significant cause for concern. This capability would also assist in investigations of building failure – as demonstrated by the analyses of the WTC building collapses carried out in this Investigation. The failure analysis capability should include all possible complex failure phenomena that may occur under multiple hazards (e.g. bomb blasts, fires, impacts, gas explosions, earthquakes, and hurricane winds), experimentally validated models, and robust tools for routine analysis to predict such failures and their consequences. This capability should be developed via a co-ordinated effort involving federal, private sector, and academic research organizations in close partnership with practicing engineers.
NIST WTC Recommendation 2.
NIST recommends that nationally accepted performance standards be developed for: (1) conducting wind tunnel testing of prototype structures based on sound technical methods that result in repeatable and reproducible results among testing laboratories; and (2) estimating wind loads and their effects on tall buildings for use in design, based on wind tunnel testing data and directional wind speed data. Wind loads specified in current prescriptive codes may not be appropriate for the design of very tall buildings since they do not account for building-specific aerodynamic effects. Further, a review of wind load estimates for the WTC towers indicated differences by as much as 40 % from wind tunnel studies conducted in 2002 by two independent commercial laboratories. Major sources of differences in estimation methods currently used in practice occur in the selection of design wind speeds and directionality, the nature of hurricane wind profiles, the estimation of ‘component’ wind effects by integrating wind tunnel data with wind speed and direction information, and the estimation of ‘resultant’ wind effects using load combination methods. Wind loads were a major factor in the design of the WTC tower structures and were relevant to evaluating the baseline capacity of the structures to withstand abnormal events such as major fires or impact damage. Yet, there is lack of consensus on how to evaluate and estimate winds and their load effects on buildings.
a. Nationally accepted standards should be developed and implemented for conducting wind tunnel tests, estimating site-specific wind speed and directionality based on available data, and estimating wind loads associated with specific design probabilities from wind tunnel test results and directional wind speed data.
b. Nationally accepted standards should be developed for estimating wind loads in the design of tall buildings. The development of performance standards for estimating wind loads should consider: (1) appropriate load combinations and load factors, including performance criteria for static and dynamic behaviour, based on both ultimate and serviceability limit states; and (2) validation of wind load provisions in prescriptive design standards for tall buildings, given the universally acknowledged use of wind tunnel testing and associated performance criteria. Limitations to the use of prescriptive wind load provisions should be clearly identified in codes and standards.
The standards development work can begin immediately to address many of the above needs. The results of those efforts should be adopted in practice as soon as they become available. The research that will be required to address the remaining needs also should begin immediately and results should be made available for standards development and use in practice. Affected National Standard: ASCE-7. Model Building Codes: The standard should be adopted in model building codes by mandatory reference to, or incorporation of, the latest edition of the standard.
NIST WTC Recommendation 3.
NIST recommends that an appropriate criterion be developed and implemented to enhance the performance of tall buildings by limiting how much they sway under lateral load design conditions (e.g. winds and earthquakes). The stability and safety of tall buildings depend upon, among other factors, the magnitude of building sway or deflection, which tends to increase with building height. Conventional strength-based methods, such as those used in the design of the WTC towers, do not limit deflections. The deflection limit state criterion, which is proposed here is in addition to the stress limit state and serviceability requirement; it should be adopted either to complement the safety provided by conventional strength-based design or independently as an alternate deflection-based approach to the design of tall buildings for life safety. The recommended deflection limit state criterion is independent of the criterion used to ensure occupant comfort, which is met in current practice by limiting accelerations (e.g. in the 15 to 20 milli-g range). Lateral deflections, which already are limited in the design of tall buildings to control damage in earthquake-prone regions, should also be limited in non-seismic areas.*
[ * F-22 Analysis of baseline performance under the original design wind loads indicated that the WTC towers would need to have been between 50 % and 90 % stiffer to achieve a typical drift ratio used in current practice for non-seismic regions, though not required by building codes. Limiting drift would have required increasing exterior column areas in lower stories and/or significant additional damping.]
Affected National standards: ASCE-7, AISC Specifications, and ACI 318. Model Building Codes: The standard should be adopted in model building codes by mandatory reference to, or incorporation of, the latest edition of the standard.
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END
Fixing ‘Priory Hall’ in Dublin – Practical Solutions Needed Now !
2011-10-18: A large ‘can of worms’ has recently been opened in Ireland …
For the last few days, including today, I have been listening intently to Joe Duffy on the RTE Radio ‘Liveline’ Programme at lunchtime. Joe is being very cautious because he cannot quite believe his ears … either about the unfolding harrowing events for occupants in ‘Priory Hall’, Donaghmede, Dublin 13 – a Private, Multi-Storey Apartment Development – or the tales and anecdotes about Irish Building Sites during the Celtic Tiger Years.
This will be of no consolation to anybody … but the big surprise, for me, is that there is so much public shock. ‘Priory Hall’ is the Tip of the Iceberg ! Ireland’s current dysfunctional approach to the development of Our(!) Built Environment … has been designed (for want of a better word) in a chaotic, haphazard and malevolent way … to end up in exactly the sort of mess which we are all now witnessing in North County Dublin.
Just to be clear … what has been happening in the Irish Construction Industry, during the boom years, has been happening for twenty years all over the country … more precisely, since the introduction of Legal National Building Regulations, with NO Effective Building Control, in 1991 … and, before that again, in those parts of this jurisdiction, outside of the major urban areas having Legal Building Bye-Laws, and Effective Building Control, i.e. mandatory inspections by competent local authority personnel at the foundation level and drainage level of all building sites … and, depending on the type of project, occasional or frequent inspections above ground level.
[ 1991: Statutory Instrument No.304 of 1991 - Building Control Act, 1990 (Commencement Order), 1991; Statutory Instrument No.305 of 1991 - Building Control Regulations, 1991; Statutory Instrument No.306 of 1991 - Building Regulations, 1991 ]
And the biggest joke of all … is that the sum of the many resources, both human and material, required to repair sub-standard construction throughout Ireland … will count as a positive contribution towards the economic indicator of GDP (Gross Domestic Product) ! FUBAR
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Colour photograph showing 'Priory Hall' ... a private, multi-storey apartment development located in North County Dublin, Ireland. Click to enlarge.
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PRACTICAL SOLUTIONS NEEDED NOW
What I have not been hearing from the radio, or reading in the newspapers, is practical solutions.
Lest there be any doubt … this is one of the professional services we provide at Sustainable Design International !
So … how do we fix Priory Hall as the situation now presents itself … in such a way that, as soon as it is practicable, a satisfactory level of long-term safety, protection, convenience and comfort will be provided for the occupants of Priory Hall … and the social wellbeing of the local community, there, can be restored.
Afterwards … we can worry about who’s responsible, and about the reasons for the many ‘system’ failures in Ireland.
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FIXING ‘PRIORY HALL’ IN DUBLIN
The following list of practical suggestions … a simple roadmap … is addressed to the Owners and Occupants of Apartments in Priory Hall.
As they have a large vested interest in the problems of Priory Hall … either directly or indirectly … no assurances or undertakings should be accepted, on face value, from either Dublin City Council (DCC) or the Department of the Environment, Community & Local Government (DECLG) … or their representatives.
1. Informed Consent of Apartment Owners and Occupants
Demand that the Informed Consent of the Owner/Occupant of an Apartment is required, in writing, before any necessary Corrective/Repair/Refurbishment Works are carried out …
Informed Consent: Consent freely obtained – without threats or improper inducements – after appropriate disclosure to a person of relevant, adequate and easily assimilated information in a form and language understood by that person.
2. ‘As Constructed’ Drawings & Specification of Entire Development
If they exist … we’re on the way ! But, if they don’t exist … and they may not … demand that an ‘As Constructed’ Survey of the Entire Development be carried out immediately.
Demand to see a copy of the Detailed ‘As Constructed’ Drawings, and Specification, for the Entire Development.
CHECK the adequacy of the Detailed Drawings and Specification !
At this stage, remember … all of the emphasis must now be placed on actual construction … not on paperwork ! The ‘As Constructed’ Survey Drawings and Specification are only a means towards a satisfactory end … that’s all !!
3. Failures to Properly Comply with Current Building Regulation Requirements A to M (Second Schedule to Irish Building Regulations)
Demand to see a Detailed Schedule of the many failures to properly comply with current Building Regulation Requirements, i.e. Parts A to M in the Second Schedule to the Building Regulations, as amended.
Do not entertain, even for a moment, any discussion about past legal building regulation requirements, which were in force at the time of initial design or construction !
An important point to note ! The Guidance Texts in, for example, Technical Guidance Document B: ‘Fire Safety’ are merely that … GUIDANCE ! This guidance is not infallible … and in a few respects, is entirely inadequate … for example, when dealing with the structural performance of buildings during conditions of fire, and the ‘cooling phase’ immediately afterwards … and the fire evacuation of people with activity limitations, in which case the guidance actually ensures that fire evacuation is made extremely difficult, if not prevented altogether !
Do not be sucked in to any conversations about what is stated, or not stated, in the Technical Guidance Documents. This is irrelevant. The Law mandates proper compliance with the Requirements !
Some people may even attempt to quote from the Building Regulation Approved Documents for England & Wales. Just tell them to take a long jump off a short pier … suggest Howth Harbour !
Become very, very suspicious whenever there is a use of, or reference to, the term ‘Substantial Compliance’ !!
CHECK the adequacy of this Detailed Schedule ! And … ensure that it is Comprehensive !!
4. The Necessary Corrective/Repair/Refurbishment Works
Demand to see Full Detailed Information, in the form of annotated drawings and descriptive texts, etc., etc … on the exact nature, timetable and phasing of all of the Corrective/Repair/Refurbishment Works which are necessary to effectively solve the serious problems in the Development.
Beware of decorative solutions, which look good to a superficial visual inspection in ambient conditions … but don’t actually solve anything !
CHECK the adequacy of this Full Detailed Information !
5. Independent Technical Control of Construction Works
Demand only Category A Construction Execution of the necessary Corrective/Repair/Refurbishment Works …
Category A Construction Execution:
(a) Supervision of the works is exercised by appropriately qualified and experienced personnel from the principal construction organization ;
(b) Regular inspections, by appropriately qualified and experienced personnel familiar with the design and independent of the construction organization(s) … and other vested interests … are carried out to verify that the works are being executed in accordance with the design.
Demand receipt of a clear undertaking, in writing, that this will be the case … before any Corrective/Repair/Refurbishment Works commence.
And remember these words from the 2005 Final Report of the U.S. National Institute of Standards & Technology (NIST) on the 9-11 World Trade Center Tower Collapses …
” NIST urges state and local agencies to rigorously enforce building codes and standards since such enforcement is critical to ensure the expected level of safety. Unless they are complied with, the best codes and standards cannot protect occupants, emergency responders, or buildings.”
CHECK the adequacy of the Proposed Method of Independent Technical Control during execution of the Corrective/Repair/Refurbishment Works !
6. Meeting & Discussion with Other Owners/Occupants
Do not act alone … meet the other Owners/Occupants, and discuss issues with them. Share and collate all available information together. Try to identify information gaps. If you do not understand something … ask !
When, and only when, you are happy … signal your Informed Consent that works should commence.
7. Commencement of Corrective/Repair/Refurbishment Works
Visit the Construction Site Office regularly … to show that you are taking a keen interest in what is happening. Keep your eyes and ears wide open.
Expect that you will not be permitted to just wander around the Site. Construction Sites are one of the most hazardous ‘workplaces’ in this country !
CHECK the adequacy of the Independent Technical Control actually being undertaken.
Demand to be updated, regularly, and at the very least on the progress of Corrective/Repair/Refurbishment Works at your Apartment … in the Common Areas of your Block … and throughout the full extent of the Approach Routes to your Block Entrances and Exits.
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Advisory Note: Should you, or the Residents’ Committee of your Building or Development, be concerned about any matter discussed in this Post … please contact C.J. Walsh by e-mail: cjwalsh@sustainable-design.ie or by phone: (01) 8386078 / +353 1 8386078.
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END (for now, but to be continued soon !)
Buildings & Firefighters Not Yet Safer ! – 10 Years After 9-11 (II)
2011-09-20: Continuing on from where I left off on 11 September 2011 …
Applying the Recommendations contained in the 2005 & 2008 National Institute of Standards & Technology (NIST – USA) Reports on the 9-11 WTC Buildings 1, 2 & 7 Collapses to the everyday practice of Architecture and Fire Engineering has been a central part of our work for many years. Long discussions on this subject have taken place within CIB (International Council for Building Research) Working Commission 14: ‘Fire Safety’ … and I also chair Commission 14′s Research Working Group IV on ‘Fire-Induced Progressive Collapse’.
My particular interest in Disproportionate Damage and Progressive Collapse reaches back as far as the late 1980′s !
So I was intrigued, amused … and at the same time, highly concerned … to read the following Letter to the Editor of the Irish Times Newspaper, on Saturday 10 September 2011 …
Recalling 9/11
Sir, – One of the most important factors in the tragedy of 9/11, and one that has received scant attention, was the mode of failure of the towers.
They were struck high up on their structures and failed via progressive collapse. Had they been designed this side of the Atlantic, they would not have collapsed. These were flimsy structures. -
Yours, etc,
Jim Ryan, Chartered Structural Engineer,
Waterfall, Cork.
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JIM … If the WTC Towers (which were not flimsy structures !) had been designed on this side of the Atlantic … they would have collapsed.
Furthermore … If the Towers had only been completed last week in the USA, Ireland, England & Wales, India or China … they would still collapse, if a similar event were to occur next year.
To be crystal clear … What we witnessed, on Tuesday 11 September 2001, was a Collapse Level Event (CLE) which exposed, very harshly and cruelly, a catastrophic failure in all of our common Design and Construction Practices and Procedures used in/by/as …
- Architectural Design | (Ambient) Structural Engineering | Fire Engineering ;
- Building Management Systems ;
- Emergency Responders | Firefighters | Rescue Teams ;
- Technical Control Organizations Having Authority (AHJ’s) or Jurisdiction ;
- Fire Safety Objectives in Building Legislation, Codes and Standards.
To the average ‘person in the street’ … Whether he/she lives in Manhattan or Chicago in the USA, Dublin or Cork in Ireland, Cardiff or London in Britain, Dilli or Mumbai in India, Beijing or Shanghai or Hong Kong in China … it is unacceptable that buildings collapse … entirely unacceptable !!
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COLLAPSE OF WTC BUILDINGS 1, 2 & 7
JIM … Unless you believe in conspiracy theories, please study the 2005 & 2008 NIST(USA) Reports on the 9-11 WTC Buildings 1, 2 & 7 Collapses. The 2 Final Reports can be downloaded from this Page on Sustainable Design International’s Corporate WebSite … http://www.sustainable-design.ie/fire/structdesfire.htm … along with other key documents and links.
Some indication of the enormous quantity of 9-11 WTC Incident Documentation issued by NIST(USA) can be seen below …
Colour photograph showing the enormous quantity of 9-11 WTC Incident Documentation, issued by the U.S. National Institute of Standards & Technology, which is still readily available for the public to access and download.
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PUBLIC SAFETY 10 YEARS AFTER 9-11 ?
If it is entirely unacceptable to the Public that buildings collapse … in how many National Building Codes does the following Critical Public Safety Equation appear today ? The answer is NONE !
Colour image showing Page 21 from my Overhead Presentation on 'Sustainable Fire Engineering' ... scheduled for this Thursday, 22 September 2011, at the ASFP Ireland Fire Seminar & Workshop ... to be held at the RDS, in Ballsbridge, Dublin. Click to enlarge.
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Is there some fundamental reason why Levels of Safety for the Public should vary so much from one country to another ? NO, there is not !
Within Europe, and in relation to the New EU Construction Product Regulation 305/2011, which I discussed here a few days ago … the European Commission, in a discussion document dating back to the mid-1980′s, suggested that the only way to effectively realize a Single Market for Construction Products would be to introduce Harmonized EU Building Regulations in all of the EU Member States. Of course the Member States, at the time, went ballistic at the very mention of this idea … and it was quickly withdrawn. I take great pleasure in repeating that important idea today.
Jim … The Critical Public Safety Statement above is fully consistent with … and meets … the ‘Basic Requirements for Construction Works’ in Annex I of EU Regulation 305/2011.
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However, in relation to any one EU Member State … let’s take Ireland as an example … compare a situation where, in a remote rural location, it might take almost an hour for a sufficient fire service presence to arrive at the scene of a building fire emergency … with a similar situation in the middle of a city, or large town, where the time required will not be greater than 15 minutes … then, although the Level of Safety for the Public can be / should be / must be the same in both situations … I would expect, in the remote rural location having a poor fire service support infrastructure, that the range of Fire Protection Measures to be employed in a typical building would be more extensive, and the performance expected of those Measures would be higher … in order to achieve an Equivalent Level of Safety in both rural and urban locations. Is that not a rational idea ??
Unfortunately, that’s not how the present systems work … National or European ! Levels of Public Safety differ from one country to the next … and from one region, within any one country, to the next … without any good reason … and without meaningful consultation and the full understanding of the Public.
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BUILDINGS & FIREFIGHTERS ARE NOT YET SAFER
JIM … In spite of all of the spin coming from the other side of the Atlantic … and discounting criminality and fraud in construction practices … Buildings and Firefighters are not yet safer … because the large, difficult, complex flaws and failures in Conventional Fire Engineering have not yet been aggressively confronted … and properly solved.
In a post last year, on 18 October 2010 … I referred to the Cul-de-Sac of Current Fire Engineering … and illustrated a typical architectural detail in a Dublin Building – a common detail also to be found in India, China, USA, England & Wales, etc., etc – which demonstrates a Fundamental Flaw at the very core of conventional thinking and practice.
On Thursday next … 22 September 2011 … at the ASFP Ireland Fire Seminar and Workshop in the RDS, Dublin … I will present this flawed detail … and a solution which is fully compatible with … and answers … the NIST Recommendations !
BUT … would anybody like to show me where any National Building Codes have been revised and updated to solve this Fundamental Flaw ?
Colour image showing Page 33 from my Overhead Presentation on 'Sustainable Fire Engineering' ... scheduled for this Thursday, 22 September 2011, at the ASFP Ireland Fire Seminar & Workshop ... to be held at the RDS, in Ballsbridge, Dublin. Click to enlarge.
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Colour image showing Page 35 from my Overhead Presentation on 'Sustainable Fire Engineering' ... scheduled for this Thursday, 22 September 2011, at the ASFP Ireland Fire Seminar & Workshop ... to be held at the RDS, in Ballsbridge, Dublin. Click to enlarge.
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Colour image showing Page 36 from my Overhead Presentation on 'Sustainable Fire Engineering' ... scheduled for this Thursday, 22 September 2011, at the ASFP Ireland Fire Seminar & Workshop ... to be held at the RDS, in Ballsbridge, Dublin. Click to enlarge.
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Colour image showing Page 37 from my Overhead Presentation on 'Sustainable Fire Engineering' ... scheduled for this Thursday, 22 September 2011, at the ASFP Ireland Fire Seminar & Workshop ... to be held at the RDS, in Ballsbridge, Dublin. Click to enlarge.
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Colour image showing Page 38 from my Overhead Presentation on 'Sustainable Fire Engineering' ... scheduled for this Thursday, 22 September 2011, at the ASFP Ireland Fire Seminar & Workshop ... to be held at the RDS, in Ballsbridge, Dublin. Click to enlarge.
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A CASE STUDY OF ENGLAND & WALES
10 years after 9-11 … there are two reasons for taking a closer look at England & Wales (Britain) …
- The Building Regulations for England & Wales were used as the model for the Irish Building Regulations, which were first introduced here in the early 1990′s. And, in the absence of Harmonized European Standards … British National Standards tend, with only a few exceptions, to become the default Irish National Standard ;
- British National Standards are being applied in many different parts of the world outside England & Wales … in most cases, without any proper consideration of content … or adaptation to local conditions.
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Colour image showing the Cover Page of Approved Document B: 'Fire Safety' ... Volume 2 - Buildings Other Than Dwellinghouses ... from the Building Regulations for England & Wales. Click to enlarge.
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The Institution of Fire Engineers (Ireland) Annual Fire Conference, which was held last year, on Wednesday 20th October 2010 … in the Dublin Fire Brigade Training Centre, Marino, Dublin … threw up some interesting ‘notions’ for consideration by a diverse range of participants.
One curious proposition … repeated quite often during the day … was that Approved Document B, in the British System of Building Regulations, was basically still a sound document … and that it should pass an upcoming major review with little difficulty.
I don’t agree … Approved Document B is inadequate and dysfunctional !
With regard to Structural Performance in Fire … instead of referring to Approved Document A – Structure … the reader is referred to Appendices at the back of Approved Document B, which only reinforce the erroneous concept of Single Structural Element Fire Protection …
And along with its many other major problems … see my post, dated 2009-06-14 … British Standard BS 9999 takes no account of any of the 2005 & 2008 NIST Recommendations, Fire-Induced Progressive Collapse or Disproportionate Damage … and, in fact, directly conflicts with aspects of the Building Regulations for England & Wales …
Colour image showing Page 51 in the Appendix of my Overhead Presentation on 'Sustainable Fire Engineering' ... scheduled for this Thursday, 22 September 2011, at the ASFP Ireland Fire Seminar & Workshop ... to be held at the RDS, in Ballsbridge, Dublin. Click to enlarge.
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In order to take a close look at Approved Document B … I used the vehicle of a Notional Hotel Project in Cardiff, Wales … similar to the Early 1990′s Dublin Hotel Project shown above …
Colour image showing Page 52 in the Appendix of my Overhead Presentation on 'Sustainable Fire Engineering' ... scheduled for this Thursday, 22 September 2011, at the ASFP Ireland Fire Seminar & Workshop ... to be held at the RDS, in Ballsbridge, Dublin. Click to enlarge.
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With regard to properly showing Fitness for Intended Use of Fire Protection related Products and Building Systems … instead of referring to Regulation 7 … the reader is again referred to Appendices at the back of Approved Document B … which explains why we have such serious problems, i.e. lack of Durability and very low Resistance to Mechanical Damage, with the Thermal Insulation Products used for the Fire Protection of Structural Steelwork …
I also had to quote from Part D of the Irish Building Regulations to fill a gap in the British Regulation 7 …
Colour image showing Page 53 in the Appendix of my Overhead Presentation on 'Sustainable Fire Engineering' ... scheduled for this Thursday, 22 September 2011, at the ASFP Ireland Fire Seminar & Workshop ... to be held at the RDS, in Ballsbridge, Dublin. Click to enlarge.
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END
BER Certificates & New Improvements to French DPE System
2011-09-15: Further to my post, dated 8 June 2009 …
On 13 September 2011 … the French Ministère de l’Écologie, du Développement Durable, des Transports et du Logement announced 6 measures to improve their National DPE (Diagnostic de Performance Energétique) System … equivalent to our BER (Building Energy Rating) System in Ireland.
In the context of my earlier post, you will find these improvements interesting …
Colour image showing the recently announced revision to the National DPE (Diagnostic de Performance Energétique) Building Rating System in France. The new system will enter into force on 1 January 2012.
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Nathalie Kosciusko-Morizet et Benoist Apparu, Secrétaire d’Etat chargé du Logement, ont présenté, Mardi 13 Septembre 2011, 6 Mesures pour Améliorer et Fiabiliser le Diagnostic de Performance Energétique (DPE). Pour plus de transparence, une amélioration des méthodes de calcul, une meilleure formation des diagnostiqueurs et un contrôle plus efficace de la profession.
Rendu obligatoire depuis le 1er Janvier 2011 par le Grenelle Environnement, le Diagnostic de Performance Energétique (DPE) est amené à jouer un rôle de plus en plus important dans les décisions d’acquisition ou de location de logements.
Un Outil Apprécié des Français
La Performance Energétique des Bâtiments représente un double enjeu: elle permet d’améliorer le pouvoir d’achat des Français par une meilleure maitrise des dépenses d’énergie, et par ailleurs, elle participe à la lutte contre le changement climatique.
[ Aujourd’hui, le secteur du bâtiment représente 42.5 % des dépenses d’énergie. Il est le plus gros consommateur d’énergie en France parmi l’ensemble des secteurs économiques. ]
Désormais connu du grand public, le dispositif bénéficie d’une image positive auprès des Français puisqu’en Mars 2011, 80% des ménages considèrent la consommation énergétique du logement comme un critère de choix très important, et 60% déclarent que s’ils étaient appelés à mettre leur appartement en vente, ils envisageraient de faire des travaux pour en améliorer la performance énergétique.
« Le DPE a été très rapidement adopté par les Français et est devenu un critère essentiel pour guider leur choix d’acquisition et location de logement. Il était donc important d’en faire un outil dans lequel ils ont une entière confiance. Les mesures qui vont être mises en place ont pour but de faire de l’étiquette énergétique un outil de référence incontestable, permettant aux Français d’améliorer leur pouvoir d’achat en évaluant et en maitrisant mieux leur consommation d’énergie » ont souligné les Ministres.
6 Mesures pour une Etiquette Energétique Fiabilisée
Ce programme s’axe autour de 6 mesures portant sur plus de transparence, une amélioration des méthodes de calcul, une meilleure formation des diagnostiqueurs ou encore un contrôle plus efficace de la profession.
1. Une Meilleure Transparence vis-à-vis des Particuliers: Le diagnostiqueur devra à présent expliciter les données qu’il renseigne auprès du particulier à travers un relevé détaillé. Cela permettra au particulier d’être entièrement informé sur la façon dont a été réalisé son document. La remise d’un document officiel limitera également le risque de DPE ‘frauduleux’.
2. Amélioration de la Méthode de Calcul: Pour un résultat plus fiable, il s’agit d’augmenter le nombre de données à analyser afin de faire un calcul plus précis de la performance énergétique.
3. Utilisation de Logiciels Validés par le Ministère: Pour un meilleur encadrement des logiciels utilisés, il s’agit de limiter la liste de logiciels autorisés à générer des DPE aux logiciels ayant été soumis à une procédure d’évaluation menée entre 2008 et 2010 par le ministère et l’Agence de l’Environnement et de la Maîtrise de l’Energie (ADEME).
4. Une Base de Données des DPE sera Mise en Ligne: Les statistiques permettront, entre autre, de nourrir l’élaboration des stratégies nationales et locales.
5. Une Montée en Compétence des Diagnostiqueurs, en augmentant le niveau de difficulté des examens. Jusqu’à aujourd’hui, un seul examen existait, à présent 2 niveaux de difficulté seront mis en place selon la mention (mention « bâtiments d’habitation » ou « tous types de bâtiments » – tertiaires, publics, privés, etc.).
6. Un Contrôle plus Efficace, avec pour les particuliers, un annuaire des diagnostiqueurs mis en ligne par le ministère, et la mise en place d’une enquête de la Direction Générale de la Concurrence, de la Consommation et de la Répression des Fraudes (DGCCRF) dans le secteur du diagnostic immobilier dans le cadre de sa mission de protection économique du consommateur …
L’ensemble de ces mesures, qui entreront en vigueur dès le 1er Janvier 2012, permettront l’amélioration d’un outil encore récent, mais dont l’utilité et l’efficacité sont déjà démontrées.
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END
New EU Construction Product Regulation 305/2011 – Halleluiah !
2011-09-13: Closely related to our current discussions about the 10th Anniversary of the 9-11 WTC Incident in New York …
For more years than I care to remember … I have been involved, directly and/or indirectly, with piecing together the edifice that is European Union (EU) Council Directive 89/106/EEC Interpretation … a lumbering giant which has failed, miserably, to bring about the necessary conditions for the efficient operation of an effective European Economic Area (EEA) Single Market for Construction Products.
Proper Implementation has always been the fatal weakness of this ‘system’ … because on the ground, in Europe, no such Single Market exists in reality. Politicians, at both European and national levels and typically lacking a competence on technical issues, believe otherwise. Bureaucrats, at both European and national levels and always lacking a working familiarity with the full scope of EU Treaties, do not want to recognise this fundamental truth.
To refresh your memories … the full title of the now Repealed EU Directive 89/106/EEC was …
Council Directive, of 21 December 1988, on the Approximation of Laws, Regulations and Administrative Provisions of the Member States relating to Construction Products
ANNEX I of that Directive described 6 ‘Essential Requirements’ …
- Mechanical Resistance & Stability
- Safety in Case of Fire
- Hygiene, Health & the Environment
- Safety in Use
- Protection against Noise
- Energy Economy & Heat Retention
The unusual feature of this particular New Approach Directive was that the ‘suitable’ construction products, i.e. products which could be shown to be fit for their intended use, had to facilitate the construction works in satisfying all of the 6 Essential Requirements, taken together as a whole … not just some of the Requirements.
Down through the years, however, it has been deeply frustrating … to have to pressure the TÜV Organization in Germany, for example, to issue proper Test Reports to their German Clients … or, as recently as last July, to have to explain basic information about CE Marking to Manufacturers. And there appears to be no proper infrastructure in any EU Member State to check and control CE Marks on industrial products generally, never mind construction products.
Further up the chain, there were also problems. In developing a family of 6 Separate Interpretative Documents for each of the Essential Requirements … important cross linking concepts between Requirements, e.g. Fire-Induced Progressive Building Collapse, fell into a deep void, almost never to be heard from again. And concepts explicitly referenced in ANNEX I, such as the Safety of Rescue Teams (i.e. firefighters), received little or no attention in those Interpretative Documents … which then had a serious knock-on effect when Harmonized European Standards, European Technical Approvals (ETA’s) and EuroCodes were being drafted, based on the guidelines in Interpretative Documents.
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Lucca, Italy - Early Morning on 21 August 2011. Photograph by CJ Walsh. Click to enlarge.
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Halleluiah ! At Long Last … published on 4th April 2011, in the Official Journal of the European Union … the new EU Construction Product Regulation 305/2011 … the full title of which is …
Regulation (EU) No. 305/2011 of the European Parliament and of the Council, of 9 March 2011, laying down Harmonized Conditions for the Marketing of Construction Products and Repealing Council Directive 89/106/EEC
ANNEX I of these New Regulations now describe 7 ‘Basic Requirements for Construction Works’ … requirements which are appropriate to the needs of our time. Please note the newly revised/additional texts, highlighted in red …
Construction works as a whole and in their separate parts must be fit for their intended use, taking into account in particular the health and safety of persons involved throughout the life cycle of the works. Subject to normal maintenance, construction works must satisfy these basic requirements for construction works for an economically reasonable working life.
1. Mechanical Resistance and Stability
The construction works must be designed and built in such a way that the loadings that are liable to act on them during their construction and use will not lead to any of the following:
(a) collapse of the whole or part of the works ;
(b) major deformations to an inadmissible degree ;
(c) damage to other parts of the construction works or to fittings or installed equipment as a result of major deformation of the load-bearing construction ;
(d) damage by an event to an extent disproportionate to the original cause.
2. Safety in Case of Fire
The construction works must be designed and built in such a way that in the event of an outbreak of fire:
(a) the load-bearing capacity of the construction works can be assumed for a specific period of time ;
(b) the generation and spread of fire and smoke within the construction works are limited ;
(c) the spread of fire to neighbouring construction works is limited ;
(d) occupants can leave the construction works or be rescued by other means ;
(e) the safety of rescue teams is taken into consideration.
3. Hygiene, Health and the Environment
The construction works must be designed and built in such a way that they will, throughout their life cycle, not be a threat to the hygiene or health and safety of workers, occupants or neighbours, nor have an exceedingly high impact, over their entire life cycle, on the environmental quality or on the climate during their construction, use and demolition, in particular as a result of any of the following:
(a) the giving-off of toxic gas ;
(b) the emission of dangerous substances, volatile organic compounds (VOC’s), greenhouse gases or dangerous particles into indoor or outdoor air ;
(c) the emission of dangerous radiation ;
(d) the release of dangerous substances into ground water, marine waters, surface waters or soil ;
(e) the release of dangerous substances into drinking water, or substances which have an otherwise negative impact on drinking water ;
(f) faulty discharge of waste water, emission of flue gases or faulty disposal of solid or liquid waste ;
(g) dampness in parts of the construction works or on surfaces within the construction works.
4. Safety and Accessibility in Use
The construction works must be designed and built in such a way that they do not present unacceptable risks of accidents or damage in service or in operation such as slipping, falling, collision, burns, electrocution, injury from explosion and burglaries. In particular, construction works must be designed and built taking into consideration accessibility and use for disabled persons.
5. Protection against Noise
The construction works must be designed and built in such a way that noise perceived by the occupants or people nearby is kept to a level that will not threaten their health and will allow them to sleep, rest and work in satisfactory conditions.
6. Energy Economy and Heat Retention
The construction works and their heating, cooling, lighting and ventilation installations must be designed and built in such a way that the amount of energy they require in use shall be low, when account is taken of the occupants and of the climatic conditions of the location. Construction works must also be energy-efficient, using as little energy as possible during their construction and dismantling.
7. Sustainable Use of Natural Resources
The construction works must be designed, built and demolished in such a way that the use of natural resources is sustainable and in particular ensure the following:
(a) re-use or recyclability of the construction works, their materials and parts after demolition ;
(b) durability of the construction works ;
(c) use of environmentally compatible raw and secondary materials in the construction works.
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I will be anxious to see if the full intent of these ‘Basic Requirements for Construction Works’ is properly transposed into the new interpretative framework (comprising Delegated Acts, Harmonized Standards, etc., etc.) of EU Regulation 305/2011 …
and …
I will be even more anxious to see how and when specific output (Harmonized Standards, European Technical Approvals (ETA’s) and EuroCodes) from the obsolete interpretative framework of the Repealed Directive 89/106/EEC is revised and updated !
and, finally …
When will we ever see the vital Infrastructure of Implementation operating successfully in the EU Member States … so that Manufacturers can reap the enormous benefits of an effective EEA Single Market for Construction Products ??
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END
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