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SANS 10400
Hans Schefferlie
Executive Director
23 August 2012
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AAAMSA is representative on the following Building
Master Builders South Africa (MBSA)
S ecialist En ineerin Contract Committee SECC
South African Association of Energy Engineers (SAEE)
A member of the SABS Review Board National Building Regulations.
Secretary of the Specialist Engineering Contract Committee (SECC)
Re istrar of the South African Glass Institute SAGI
Member of the Technical and CPAP Committees of the JBCC Member of the Contractual & Legal Committee (C & L) of MBSA
Chairman of SANS SC59C: Construction Standards Glazing in Buildings
Member of SC59F: Construction Standard Steel and Aluminium Structures Member of SC59G: Construction Standard Energy Efficiency and Energy
use in the Built Environment.
Member of TC1021: Expanded (Cellular) Plastics & Thermal Insulation Member of SC 60T: Fire Protection Standards
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National Building Regulations and,
(Act 103 of 1977)
National Building Regulations
- -
SANS 10400
The Application of theNational Building
Regulation
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Energy Usage
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Integrated Resource PlanIntegrated Resource Plan
ep em erep em er
Table 2 South African generation
capacity assumed for IRP
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Inte rated resource lanInte rated resource lan 20092009 DMEDME
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DME research life cycle costing of SANS 204 interventions
In December 2007 DAH Joint Venture concluded their ener modelin
research for the Department of Minerals and Energy to show how various
buildings with SANS 204 specific energy efficiency interventions. .
OR-13554 Energy efficient homes and buildings; performance criteria for
energy efficient naturally ventilated buildings in South Africa.
The escalation rates for electricity costs provided in 2005 by NERSA,over the evaluation period, justified a level of 1.18% over the rate of
n a on en runn ng a . . was repor e en a a .
increase was likely to be sanctioned by NERSA.
Over the past two years alone we have had increases in electricity tariffs
to the effect of 25%.
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Published August 2011
Scope
This is part of SANS 10400 provides
deemed-to-satisfy requirements for
compliance with Part XA (Energy usage
in Buildings) of the National Building
Regulations.
Invokes SANS 204
In respect of Floors, Fenestration,
Roof and Ceilings.
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SANS 10400-XA:2010 Hot Water Heatin
4.1.1 In order to comply with functional regulation XA2, contained in
Part XA of the National Building Regulations, the following
guidance is provided;
a) The volume of the annual average hot water heating
requirements shall be calculated in accordance with Tables2 and 5 of SANS 10242-1:2004; and
soar waer ea ng sys ems are use , ese s a
comply with SANS 1307, SANS 10106, SANS 10254 and
-
4.1.2 Re uirements for water installations inbuildin s be in
accordancewith SANS10252-1andSANS10254
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SANS 10400-XA:2010 Hot Water Heatin
4.1.3 All hot water servicespipes shall becladwith insulationwitha
minimumR-value in accordancewithTable 1.
. . , ,
themanufacturers instructions.
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SANS 10400-XA:2010 Ener Usa e
4.2 Energy usage and building envelope
4.2.1 The functional regulations contained in Part XA of the
satisfied where;
a) In any building of occupancy classified in terms of Regulation
20 a 1 2 3 4 F1 1 or H1 Com etent Person
certifies that suchbuilding (excludinggarageandstorageareas)
has a theoretical annual energy consumption and demand,based on the design assumptions contained in 4.3, less than or
equal to thevalues specified inTables 2and3; or
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SANS 10400-XA:2010 Ener Usa e
b) Inany building of occupancy classified in terms of Regulation
A20 as A1, A2, A3, A4, C1, C2, E1, E2, E3, E4, F1, F2, F3,
G1, H1, H2, H3, H4 and H5, the orientation and shading arein accordance with the requirements of SANS 204, external
walls are in accordance with the requirements of 4.4.3
fenestration is in accordance with the requirements of 4.4.5,if in-slab heating is installed, it is in accordance with the
requirements of 4.4.2, and service that use energy or control
the use of energy, including heating, air conditioning andmechanical ventilation in accordance with SANS 204, and
hot water systems inaccordancewith the requirementsof 4.1
(services exclude cooking facilities and portable appliances);or
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SANS 10400-XA:2010 Ener Usa e
c an u ngo occupanc cass e n ermso egua on
A20asA1,A2,A3,A4, C1, C2, E1, E2, E3, E4, F1, F2, F3,, , , , an , a ompeen personcer es
that suchbuilding(excludinggarageandstorageareas) has
a eore ca annua energ consump onan eman essthanor equal toa referencebuilding that complieswith the
requremenso . .
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SANS 10400-XA:2010 - Energy Usage
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SANS 10400-XA:2010 - Energy Usage
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SANS 10400-XA:2010
4.4.2 Floors
Where an underfloor heating system (e.g. in-screed,
underlaminate heating, undercarpet heating, undertile heating, cut-n un er oor ea ng, an wa er- ase un er oor ea ng s
installed, the heating system shall be insulated underneath the
slab with insulation that has a minimum R-value of not less then
1.0.
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SANS 10400-XA:2010
. .
4.4.3.1 Non-masonry walls shall achieve a minimum total R-value of
a) Climatic zones 1 and 6: 2.2
b) Climatic zones 2, 3, 4 and 5: 1.9
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SANS 10400-XA:2010
. . . e o ow ng ypes o masonry wa ng comp y w e
R-value requirements:
a) Double-skin masonry with no cavity, plastered internally, or
rendered externally; or
Note: The cavity and grouted cavity walling systems exceedthe minimum R-value of 0.35
b) Single-leaf masonry walls with a nominal wall thickness greater
than or equal to 140mm (excluding plastering and rendering),
.
The requirements refer to the external walls of the habitable portions of
.
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-
4.4.4 Fenestration
. . .
theminimumenergyperformancerequirements
4.4.4.2 Buildings witha fenestration tonett floor areaper storey that
accordancewithSANS204
4.4.4.3 The fenestration air infiltrationshall be inaccordance withSANS613.
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Published August 2011
Scope
This Standard specif ies the design
requirements for Energy Efficiency inbuildings and of services in buildings
with natural environmental control and
artificial ventilation or air conditioning
systems.
Invokes SANS 204
In respect of Floors, Fenestration,
Roof and Ceilings.
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Subsidized Housin
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T ical floor lan
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Glazing calculations for compliance with Energy
= 2 = 2Usage Legislation. . , ,
2. Constants for Conductance and Solar Heat Gain
Conductance C1 = 1.2 Solar Heat Gain CSHGC = 0,15
. n ow area: o a = , sq.m
North elevation = 2,16 m2 East elevation = 1,08m2
,
Single glazing throughout. Default U = 7,9 SHGC = 0,81
4. No over hang Solar exposure Factor E
North = 0,84 South = 0,87 East = 1,15 West = 1,40
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Step 1: The aggregate conductance and aggregate solar heat gain of
Conductance = Net floor area x Cu = 35,295 x 1,2 = 42,354
= = =, , ,
Conductance Default
= =
Solar Heat Gain Default
, , , .
North 2,16 x 0,81 x 0,84 = 1,47
East 1,08 x 0,81 x 1,15 = 1,01
=, , , ,3,30 (Less than 5.294 in Step 1)
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SANS 204:2011 Buildin Sealin
4.4.1 Buildin Envelo e
Roofs, external walls, and floors that form the building envelope and any
openng suc as wn ows an oors n e exerna a rc s a e
constructed to minimize air leakage. The building sealing can be done by
me o s suc as cau ng, or a ng s r ng, arc raves or cornces.
In climatic zones 1, 2, 4 and 6 the ceiling voids and attics shall be designed
so as o mnmze ar n ra on. ccor ngy, wa pae an roo unc ons
shall be sealed. All tile roofs in these climatic zones shall be tile underlay or
ra ant arrer an t e onts s a e seae . e onts n s eete roos
shall be sealed.
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SANS 204:2011 Buildin Sealin
4.4.3 Permissible air leaka e AL
4.4.3.1 Glazing and rooflights
4.4.3.1.1 Maximumpermissible ALfor openable glazing shall be 2.0/s.m2
,
SANS613.
-. . . .
0,31/s.m2 with a pressure difference of 75Pa, when tested in
accordance withSANS613.4.4.3.1.3 For glazed double action swing doors and revolving doors, the
maximum permissible AL shall be 5.0/s.m2 with a pressure
differenceof 75Pa, when tested in accordancewith SANS613.
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Rotatable Guarded Hot Box (RGHB)
PTT
Windows
Dimensions
Width&
Hei ht
Glass
Thermal
Transmittance
W m2c
AirLeakageMax
2.0/sec/m2
75Pa
. .
. .
. .
um n um x mmc ear . .
Heat loss throughHeat loss through 12151215 PTT windowsPTT windows
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Heat loss throughHeat loss through 12151215 PTT windowsPTT windowsPressure difference = 75 Pa
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Roof Insulation
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SANS 204 Roof Insulation
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SABS 0400:1990 SANS 10400 - New
Part B Structural design 5 pages Ed 3 35 pages
Part H - Foundations 2 pages DSS
Part J Floors 2 pages Ed 3 13 pages
Part K Walls 8 pages Ed 3 93 pages
Part L Roofs 6 pages Ed 3 55 pages
Part M Stairways 3 pages Ed 3 10 pages
Part N Glazing 5 pages Ed 3.1 14 pages
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SANS 10400: Part B
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4.2 Rational desi n and rational assessment
4.2.1 General
4.2.1.1 The design working life of a building other than a category 1 building
accessible components, and 15-years for repairable or replaceablecomponents and materials, such as claddings, roofing materials, exterior
trims, and integrated components, such as windows and doors. Category 1
buildings may have a design life of not less than 10-years in respect of
repara eor repacea ecomponens, prov e a provson or upgra ng smade at the design stage of such upgrading does not require the removal or
skills tobeapplied.
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Published May 2010
ec ve une
SANS 10160-3:2010 Edition 1
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SANS 10160 3:2010 Edition 1
SANS 10160-3:2010 Edition 1
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Pursuant to our Cautionary Notice dated 1 September 2010 and subsequent to consultat ion with Dr Adam Goliger
,
Performance Category A0 is no longer applicable to external fenestration and is withdrawn with immediate effect.
-determining wind load on fenestration (amongst other)
Al l Test Performance Certi ficates for Category A0 products are hereby wi thdrawn and wi ll not be included in
-.
requirements.
A number of members have only Test Performance Cert if icates for Category A0 products and wi ll no longer feature
.
The members concerned have unt il September 2011 to test products to A1 or higher category fail ing which thei r
membership will lapse. (AAAMSA National Executive Committee 26/1/2011)
are l ikewise advised that these reports are hereby withdrawn.
In terms of the National Building Regulations the wind load must be determined by a Competent Person
.
Competent Person (Structures). Members should not determine the wind load under any circumstances.
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Wind load resistance and water
penetration.
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N1 Type and Fixing of Glazing
(1) Any material used in theglazingof any buildingshall beof asecureand
that it will-
a) Safely sustainany windaction whichcanreasonably beexpected;
o a owpenera ono waer o e neror o e u ng; an
, ,
suchglazing;
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N1 Type and Fixing of Glazing
,provide, in the case of human impact, a degree of safety appropriate in
-
(a) Theposition of theglazed area; and
(b) Thenumber and likely behaviour patternof persons expected tobe in
closeproximity of suchglazed area;
(3) The requirements of sub-regulations (1) and (2) shall be deemed to be
satisfiedwheretheglazingmaterial is selected, fixed andmarked
in accordancewith SANS10400-N
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4.2.2. FRAMING (irrespective of material type)
Glazing shall comply with all the requirements of SANS 613 for the wind andimpact loads as determined in accordance with the requirements of SANS
10400-B by a Competent Person (Structures).
Obtain AAAMSA Performance Test Certificate to confirm compliance
with SANS 613.
o e: n mum w n oa : x erna app ca on - a
Internal application - 600Pa
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Published Standard
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ScopeThis part of SANS 10400 provides deemed-to-
satisfy requirements for compliance with
ar re ro ec on o e a ona
Building Regulations.
Note: Part T of the National BuildingRegulations, issued in terms of the
a ona u ng egu a ons an
Bui lding Standards Act, 1977 (Act N0o.
103 of 1977), is reproduced in Annex A.
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Published Standard
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ScopeThis standard covers the classification, usage
and appl ication requirements for under-
roo an s e-c a ng nsu a ng
materials, liners, insulated wall and roof
panels, insulated ceilings and insulated
wal l and cei lin coat in s stems for use
in buildings of unlimi ted height when
exposed to an ignit ion source.
oes no cover re res s ance proper es o
products.
Note: Fi re resis tance ro er ties are covered
in SANS 10177-2
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SANS 428:2012
Edition 2
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Table A4 Limitations on the use of materials
Occupancy Occupancy Single and
Table A4 Limitations on the use of materials
Occupancy Occupancy Single and
buildings
buildings
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Requiredclassification
Requiredclassification
A1 Entertainment and public assembly 1
A2 Theatrical and indoor spor t 2
A3 Places of instruction 2
E1 Place of detention 1
E2 Hospital 1
E3 Other institutional (residential) 1
A4 ors p 2
A5 Outdoor sport 4
B1 High risk commercial services 2
E4 Healthcare 2
F1 Large shop 3
F2 Small shop 3B2 Moderate risk commercial service 2
B3 Low risk commercial service 3
C1 Exhibition hall 2
F3 Wholesalers store 3
G1 Offices 3
H1 Hotel 1useum
D1 High risk industrial 2
D2 Moderate risk industrial 2
H2 Dormitory 1
H3 Domestic residence 3
H4 Dwellin houses 3
ow r s n us r a
D4 Plant Room 1
E1 Place of detention 1
J1 High risk storage 2
J2 Moderate risk storage 2
osp a
E3 Other institutional (residential) 1
E4 Healthcare 2
J4 Parkinggarage 4
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Plasterboardpartitioninheight
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Plasterboardpartitionheight
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Plasterboardpartitionheight
At l l t
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At plan approval stage:
Obtain a copy of the appropriate AAAMSA Performance Test Certificate from the
Prior commencement of any site work:
Manufacturer/Specialist Contractor supplying/installing the Glazed Architectural Products.
1) Obtain a copy of the appropriate AAAMS Performance Test Certificate from the
Manufacturer/Specialist Contractor supplying/ installingtheArchitecturalAluminiumProducts
2) Obtaina full set of detailedmanufacturingdrawings / manualsrelevant tothe installedproducts
Upon complet ion of al l site work (at handover) obtain the fol lowing Certi ficates:
a) AAAMSAPerformanceTest Certificate
b) AAAMSAor SAGGAGlass&GlazingCertificate
c) AAAMSASurfaceFinishingCertificate
d AAAMS or SAS Sk li ht S stemCertificate
e) AAAMSAArchitectural Product Certificate
f) SAFIERAEnergyRatingCertificate
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Questions & Answers
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