ENERGY EFFICIENCY NATIONAL BUILDING REGULATIONS. Development Management Department 1 of 49

Transcription

1 ENERGY EFFICIENCY NATIONAL BUILDING REGULATIONS 1 of 49

2 BACKGROUND 2 of 49

3 National Energy Efficiency Strategy of the Republic of South Africa March 2005 ( Reviewed 2008 / 2011 ) 3 of 49

4 OBJECTIVES Develop and implement energy efficiency practices in SA Contribute to affordable energy for all Minimise the negative effects of energy usage upon human health and the environment Set a national target for energy efficiency improvement [ 12% by 2015 ] Cover all energy-using sectors 4 of 49

5 ACHIEVED THROUGH Economic and legislative means Efficiency labelling Performance standards Energy management Energy auditing National Building Regulations and Building Standards Act (Act No. 103 of 1977) SANS XA SANS 204 SANS Promote efficiency practices 5 of 49

6 ENERGY USAGE SECTORS Industry and Mining Commercial and Public Buildings Residential Transport 6 of 49

7 7 of 49

8 National Building Regulations and Building Standards Act No. 103 of of 49

9 09 November of 49

10 Part X: Environmental sustainability XA: Energy usage in buildings 10 of 49

11 XA: Energy usage in buildings XA1 To contribute to the reduction of greenhouse gases buildings, and extensions to buildings of occupancy classifications of 49

12 A1 - Entertainment and public assembly A2 - Theatrical and indoor sport A3 - Places of instruction A4 - Worship C1 - Exhibition hall C2 - Museum E1 - Place of detention E2 - Hospital E3 - Other institutional (residential) E4 - Health care F1 - Large shop F2 - Small shop F3 - Wholesaler's store G1 - Offices H1 - Hotel H2 - Dormitory H3 - Domestic residence H4 - Dwelling house H5 - Hospitality excluding: garage and storage areas contained within such occupancies Not covered by NBR Part X A5 - Outdoor sport B1 - High risk commercial service B2 - Moderate risk commercial service B3 - Low risk commercial service D1 - High risk industrial D2 - Moderate risk industrial D3 - Low risk industrial D4 - Plant room 12 of 49

13 shall be designed and constructed so that they of 49

14 (a) use energy efficiently in relation to: vertical transport; thermal comfort; lighting; and hot water; or of 49

15 (b) have: building envelope; and services which facilitate efficient use of energy appropriate to their: function and use, internal environment; and geographical location. 15 of 49

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17 13 Climatic Zones 17 of 49

18 8 Climatic Zones 18 of 49

19 Equipment and plant for conducting business excluded. 19 of 49

20 XA2 (volume fraction) calculated in accordance with SANS At least 50% annual average hot water heating shall be: by means other than electrical resistance heating including but not limited to: solar heating; heat pumps; heat recovery systems / processes; and renewable combustible fuel. 20 of 49

21 XA3 XA1 shall be deemed satisfied when: building is: designed; and constructed in accordance with - 21 of 49

22 (a) SANS XA requirements for: orientation; shading; services; and building envelope; or of 49

23 (b) rational design prepared by competent person: which demonstrates that energy usage of building is: equivalent to; or better than; that which would be achieved by compliance with SANS XA, or of 49

24 certified thermal calculation software software certified by Agrément SA, in terms of Agrément SA Energy Software Protocols (c) theoretical energy usage performance, less than; or equal to; a reference building in compliance with SANS XA : ( using certified thermal calculation software ) - BSIMAC (Version 9) Building Energy Analysis Software - DesignBuilder (Version 3.1) Building Energy Analysis Software - IES Virtual Environment Software (Version VE 2013) - StarFront Software for designing compliant aluminium windows and doors 24 of 49

25 SANS XA 25 of 49

26 (a) Functional regulations of part XA of NBR satisfied where: competent person certifies building as having: theoretical annual energy consumption; and theoretical annual energy demand less than or equal to collected data tabled A1, A2, A3, A4, F1, G1, or H1, (excluding garage and storage areas), or... A1 - Entertainment and public assembly A2 - Theatrical and indoor sport A3 - Places of instruction A4 Worship F1 - Large shop G1 Offices H1 - Hotel 26 of 49

27 27 of 49

28 (b) Functional regulations of part XA of NBR satisfied where: building: orientation; shading; external walls; fenestration; roof assembly construction; in-slab heating installation; services that use energy or control the use of energy: heating, air conditioning and mechanical ventilation; hot water system is in accordance with requirements of SANS XA & of 49

29 A1 - Entertainment and public assembly A2 - Theatrical and indoor sport A3 - Places of instruction A4 - Worship C1 - Exhibition hall C2 - Museum E1 - Place of detention E2 - Hospital E3 - Other institutional (residential) E4 - Health care F1 - Large shop F2 - Small shop F3 - Wholesaler's store G1 - Offices H1 - Hotel H2 - Dormitory H3 - Domestic residence H4 - Dwelling house H5 - Hospitality 29 of 49

30 (c) Functional regulations of part XA of NBR satisfied where: competent person certifies building as having: theoretical annual energy consumption; and theoretical annual energy demand less than or equal to reference building complying with (b) 30 of 49

31 RESPONSIBILITY for DESIGN ACHIEVING COMPLIANCE? LOCAL AUTHORITY WHY?? 31 of 49

32 AZ4 Complying with the requirements of the National Building Regulations (1) National Building Regulations shall be complied with by: (a) (b) adhering to all prescriptive regulations; and satisfying all functional regulations by: (i) adopting solutions that comply with SANS 10400; or (ii) rational design / assessment having equivalent / superior performance to solution complying with SANS of 49

33 PART A - ADMINISTRATION A1 APPLICATION (1) Designing, planning and the supervision of the erection of any building or structure......is subject to the provisions of any law in terms of which the person undertaking such work......is required to be registered in terms of the Architectural Profession Act, 2000, Engineering Profession Act, 2000,, or any other relevant Act. 33 of 49

34 A2 PLANS AND PARTICULARS TO BE FURNISHED (1) Any person intending to erect any building shall submit to the local authority the following plans and particulars, together with the application:... (g) a declaration by a person registered in a professional category of registration......in Form 1 contained in SANS A as to how the applicable functional regulations shall be satisfied; 34 of 49

35 DECLARATION FORM 35 of 49

36 FORM 1 Identify the applicability of the Regulation i.t.o the proposal. Do NOT leave blank or tick both. 36 of 49

37 FORM 1 Competent person is as defined in the related SANS code and are function specific. Name of person to be appointed to be identified, not name of business representing 37 of 49

38 FORM 2 The applicable duty is determined by that identified in Schedule B of Form 1. Owner and competent person both initial confirming the work the competent person is responsible for and for which certification will be required on completion of the building. Such being necessary prior to applying for a Certificate of Occupation from the local authority. 38 of 49

39 FORM 2 Aspects the local authority must consider when considering the acceptability of a competent person i.t.o the work for which appointed Acceptability or Not of competent person to be endorsed by the local authority on consideration of the application The acceptance of a competent person by a local authority is application specific and forms part of the approval of an application. 39 of 49

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41 Competent person to identify the aspect/s for which the Certificate of Completion is being issued Certificate of Completion is issued i.t.o an APPROVAL granted by the local authority. Certificate of Completion cannot be issued i.t.o work for which no approval has been granted or which deviates from an approval granted (unauthorised work?) 41 of 49

42 RESPONSIBILITY for DESIGN ACHIEVING COMPLIANCE? APPOINTED REGISTERED PROFESSIONAL OR COMPETENT PERSON 42 of 49

43 VARIANCE FROM APPROVAL IMPLICATIONS 43 of 49

44 BUILDING APPLICATION APPROVAL Based on: Application & supporting documentation; Declaration by Appointed Registered Professional; Building Plans NBR compliance 44 of 49

45 DEVIATION FROM APPROVAL Results in: Building Plan approval no longer being valid; Declaration by Registered Professional being voided; NBR compliance may no longer be possible. Minor changes may have major impact on Energy Efficiency compliance achieved by original design solution 45 of 49

46 Requirement for Water Layouts SANS of 49

47 Water Services Act No. 108 of 1997 Regulations Relating to Compulsory National Standards and Measures to Conserve Water R 509 of 8 June of 49

48 Read as: SANS & 2 and SANS Consumer installations other than meters 14. Every consumer installation must comply with - SABS 0252: Water Supply and Drainage for Buildings and - SABS 0254: The Installation of Fixed Electric Storage Water Heating Systems, or any similar substituting re-enactment or amendment thereof if the consumer installation is of a type regulated by either standard. 48 of 49

49 SANS XA To comply with regulation XA2 : (a) volume of annual average hot water heating requirements shall be calculated i.t.o tables 2 and 5 of SANS ; and (b) if solar water heating systems are used, these shall comply with SANS 1307, SANS 10106, SANS and SANS of 49

50 QUESTIONS?? 50 of 49