C 3 Design of sustainable construction Petr Hjek

C 3 Design of sustainable construction Petr Hájek

List of lessons 1) 2) 3) 4) 5) Sustainable construction Integrated design process Life Cycle Assessment criteria Methods of complex assessment of construction sustainability 6) Material efficient design principles I 7) Material efficient design principles II 8) Energy efficient design principles 9) Recycling and use of recycled materials 10) Prefabricated and demountable structures 11) Sustainable reconstruction and refurbishment 12) Examples of sustainable constructions 13) Reserve 2

Objectives Background and basic principles Objectives of the lecture Complex approach Criteria of sustainability Regional aspects International context Standardisation • Background and basic principles of sustainable construction • Complex approach – criteria of sustainability: environmental, social and economic aspects • Regional aspects • International context – research and standardisation – CEN 350, ISO TC 59 3

background and basic principles

Objectives Background and basic principles Population growth Complex approach Regional aspects International context Standardisation Petr Hájek population (billion) Criteria of sustainability v 2050: 8, 9 billion (estimated by UN, 2003) v 2000: 6, 1 billion year

Objectives World production of steel and concrete Background and basic principles Complex approach Criteria of sustainability Regional aspects International context steel production concrete production population 12 x Standardisation 4, 4 x 2, 4 x Petr Hájek

Objectives Background and basic principles Complex approach Criteria of sustainability Regional aspects International context Standardisation Petr Hájek Waste generation

Objectives Energy consumption Background and basic principles Complex approach Criteria of sustainability Regional aspects International context Standardisation Petr Hájek Consumption in 40 years – 2, 7 times higher

Objectives Background and basic principles Complex approach Criteria of sustainability Regional aspects International context Standardisation Petr Hájek CO 2 emissions - GWP

Population growth. . . Pollution . . . growth of demands Primary materials extraction Waste

Objectives Resource use efficiency growth factor Background and basic principles Complex approach Criteria of sustainability Regional aspects 1995 - E. Weizsäcker, A. a H. Lovins Factor Four - Doubling Wealth, Halving Resource Use International context Standardisation 4 – 10 x 1999 - Schmidt-Bleek Factor 10 - MIPS concept – material input per unit service = Total annual world energy consumption Petr Hájek Source: Frank van Mierlo

Objectives Background and basic principles Environmental impacts of buildings in CR and EU Complex approach Criteria of sustainability Regional aspects International context Standardisation energy consumption CO 2 emission production waste production 30 - 40 % Petr Hájek

Objectives Background and basic principles AGENDA 21 on Sustainable Construction Complex approach Criteria of sustainability Regional aspects International context Standardisation Petr Hájek CIB Report No. 237 1999

Objectives Background and basic principles Traditional and sustainable construction approach Complex approach Criteria of sustainability Regional aspects resources International context quality of environment emissions, waste Petr Hájek biodiversity traditional construction emissions, waste quality time la n iss d c ue ultu s ra ic om y on nc ec ficie ef time costs cia quality so costs l Standardisation biodiversity sustainable construction

Complex approach

Objectives Three basic groups of sustainable criteria Background and basic principles Complex approach Criteria of sustainability Regional aspects Environmental criteria International context Standardisation Social criteria Economic criteria Petr Hájek

Objectives Environmental aspects and criteria Background and basic principles Complex approach Criteria of sustainability Regional aspects International context Standardisation Climate changes CO 2 emission ekvivalent Air quality SOx emission NOx emission Biodiversity Use of green Ecological quality Source depletion and waste generation Primary energy consumption Water use Use od renewable and recycled materials Waste generation Petr Hájek Climatic and geophysical risks Retention land potantial

Objectives Social aspects and criteria Background and basic principles Complex approach Criteria of sustainability Regional aspects International context Standardisation Indoor quality Thermal Acoustic, Lighting Air quality Use of green in interior Accessibility of services Accessibility of public transport Cycling support Non-barrier access Safety and security Safety in building and in surroundings Security Social and cultural value Petr Hájek Cultural heritage preservation Satisfaction of inhabitants and users Functionality Adaptability

Objectives Background and basic principles Economic aspects and criteria Complex approach Criteria of sustainability Regional aspects International context Standardisation Life cycle cost - LCC Investment construction cost Operational cost Demolition cost Local economy support Use of local products Use of local services Externalities Associated investments and their impacts Innovations Economical risks Petr Hájek Minimization of regional climatic and geophysical risks Operational autonomy

Regional aspects

Objectives Regional specifics Background and basic principles Complex approach Criteria of sustainability Regional aspects International context Standardisation Climatic condition Geomorphological conditions Material and technology basis Economical conditions Population density Tradition Culture Petr Hájek Different construction approaches

v. Mezinárodní metodika SBTool International v. International context methodology SBTool

Objectives Sustainable Building Alliance Background and basic principles Complex approach Criteria of sustainability Regional aspects International context Standardisation Key indicators CO 2 emissions Energy Waste Water Air quality Petr Hájek Economy efficiency v. CORE

Objectives Background and basic principles Tools for evaluation of complex building quality Complex approach Criteria of sustainability Regional aspects International context Standardisation SBTool ii. SBE – international metodology BREEAM UK LEED USA CASBEE Japan HQE Francie PROMISE Finsko DGNB Germany Protocollo SBC Itálie Petr Hájek SB Tool Verde Spain SB Tool PT Portugalsko SB Tool CZ Czech Republic

Objectives Research in EU Background and basic principles Complex approach Criteria of sustainability Regional aspects International context Standardisation LEn. SE (FP 6) – methodology PERFECTION (FP 7) – indoor indicators Su. Per Buildings (FP 7) – assessment and benchmark settings Open. House (FP 7) – implementation of assessment into construction practice Petr Hájek

Objectives Standardisation Background and basic principles Complex approach Criteria of sustainability Regional aspects International context Standardisation Petr Hájek Standardisation: CEN/TC 350 a ISO TC 59

Objectives Background and basic principles Complex approach Criteria of sustainability Regional aspects International context Standardisation Petr Hájek Thank you for your attention and see you next week