THE SOUTH AFRICAN INSTITUTE OF
ARCHITECTURAL TECHNOLOGISTS
NPC
A passionate self-governing institute that believes in loyalty and honesty towards its members and the profession and subscribes to the principles of fairness and transparency in all its activities and conducts with the vision to stimulate the expression of design and the application of technology in architecture.
Recognized by SACAP as a Voluntary Association as per the Architectural Profession Act, Act 44 of 2000
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PIERRE OPPERMAN
Regional Chairperson
Tel: 083 729 6956
Pierre is based in Port Elizabeth, married and has two sons and four legged kids.
Pierre is very vocal on the abuse of the profession. With the Port Elizabeth chapter he focus on having the members realise that SAIAT is there for everybody.
Professionals should help each other where they can, not to be selfish with information, and share their expertise gathered over the years.
He started his architectural career in 1994, followed in 2001 with his own construction company. After 12 years in the game, he stopped construction to pursue his main passion of design for the residential market.
Eastern Cape - Nelson Mandela
REGIONAL CHAPTERS
KOUGA
Cheryl Durham
E-mail: cheryl@archassist.co.za
Cell: 083 584 6810
MAKHANDA
Marquerett van Dijk
E-mail: marqs@hfacc.co.za
Cell: 082 331 2525
PORT ELIZABETH
Pierre Opperman
E-mail: ec-nm@saiat.org.za
Cell: 083 729 6956
REGIONAL DOWNLOADS
REGIONAL NEWS
NELSON MANDELA METRO - REQUIREMENTS FOR GAS GEYSERS
SANS 10252-1: 2018 states :
5.4.7.3 Gas operated water heaters shall comply with SANS 1808-24 and SANS 1539
6.6.2.5 Hot and cold water delivery pressure, the various components of the system shall be so installed that the hot and cold water delivery pressure to water mixing components is balanced. The residual dynamic pressure at the fittings shall not vary by more than 20 %. This requires that the layout and the pipe sizes shall be correctly calculated in terms of SANS 10252-1 to ensure the correct flow pressures taking into account simultaneous uses of other draw-off points on those lines.
7.5 Hot water generation and distribution
NOTE 2 Apart from other considerations, a detailed cost-benefit analysis should be carried out, when appropriate, in order to select the most suitable hot water generating plant and distribution system. All relevant factors should be considered, including the following: a) the hot water demand, usage patterns, and usage requirements; b) the layout of the hot water installation; c) available heat sources, and energy operating costs; and d) capital expenditure, maintenance and long-term running costs.
7.5.2.2 In most cases, the instantaneous water heating process is triggered by a differential pressure switch and orifice restrictor. This causes higher downstream hot water flow pressure drops than storage water heaters. Therefore pipe design, pipe sizing, and simultaneous use of terminal fittings shall be carefully considered and calculated to ensure sufficient hot water and balanced hot and cold water pressure at terminal fittings.
8.4.6.6 The installation of gas-operated water heaters shall comply with SANS 10087-1 for LP gas and with SANS 827 for natural gas. All gas installations shall be installed by a registered gas practitioner as required by the relevant national legislation (see foreword). After commissioning, a certificate of compliance shall be issued.
E.3.2.1 General Instantaneous water heaters heat and deliver water on demand. These heaters are often used where a supplementary hot water supply is required, for example, at a single outlet in a position remote from the main hot water system. The advantage of an instantaneous heater is the fact that it is compact and does not waste energy in keeping stored water hot. Two types of instantaneous heaters are described in E.3.2.2 and E.3.2.3.
SANS 10254 : 2017, which would also apply to storage type gas water heaters, states :
4.3.3 The various components of the system shall be so installed that the hot and cold water delivery pressure to water mixing components are balanced. The residual dynamic pressure at the fittings shall not vary by more than 20% This requires that the layout and the pipe sizes shall be correctly calculated in terms of SANS 10252-1:2018
PLEASE ENSURE THAT THE SPECIFICATION OF GAS GEYSER AND INSTALLATION COMPLY WITH THE ABOVE TO GET PLANS APPROVED.
SAIAT SHORT-CPD
in association with
EASTERN CAPE NELSON MANDELA REGION:
Port Elizabeth Chapter
presents:
SANS10400-L: ROOFS
SUMMARISED
presented by
FRANS DEKKER
30 August 2021
18:00 - 19:00
0.1 Category 1 CPD Credit
Cost:
SAIAT Members: R30.00
Other: R80.00
Architectural Students: R50.00
CLICK HERE TO PAY
(Please note that Short-CPD only accepts online payments
via the YOCO payment application))
Contact:
Eastern Cape Nelson Mandela Chairperson
PIERRE OPPERMAN
ec-nm@saiat.org.za
Tel.: 083 729 6956
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