TABLE C:
Compliance Table for: The REPAIRS AND MAINTENANCE of fixed electric storage water heater (geyser)
The following table denotes the critical areas of compliance that must be undertaken by a plumber when a repair/maintenance is undertaken on a fixed electric storage
water heater (geyser).
Item Regulation
Critical Areas of Compliance
1.
All repairs and maintenance of a fixed electrical storage water heater (geyser) installations must comply with all requirements
of SANS 10252-1 and SANS 10254.
1
SANS 10252-Part 1 REPAIRS/MAINTENANCE OF A DRIP TRAY
and SANS 10254
The following critical areas of compliance in terms of the SANS requirements must be undertaken when the repairs/maintenance of a drip tray is
undertaken. Repair/Maintenance shall include the replacement of a drip tray and or installation of a new drip tray to an existing installation.
COMPONENTS (INCL. PIPES, FITTINGS AND FIXTURES)
1.
All materials, pipes, fittings, components and fixtures used in the repair/maintenance must meet SANS 10252 – 1 section 5 (when applicable the
supplier must be able to provide proof that the component complies to the relevant SANS standard) and must be listed on the JASWIC acceptance
list.
2.
Materials, pipes, fittings, components and fixtures must be installed as per regulation and manufacturers guidelines.
3.
Adequate access must be provided to remove or maintain or replace any component.
DRIP TRAY
1.
Drip tray installed in the correct manner.
2.
Drip tray discharge pipe must be installed and sloped and supported towards its outlet to ensure that all water will run out unrestricted.
3.
The size of the drip tray shall be such that it will cover the total area of the heater and the associated water control appurtenance
4.
Discharge pipe must be suitable for hot water as required in SANS 10252 – 1 section 8 and drainage principles of SANS 10252-2 must be
employed (gradients, no 90° elbows on horizontal runs etc.
5.
Pipe must discharge to outside of building, easily visible.
MOUNTING
1.
The support structure for the drip tray and water heater, must be placed on tie beams that are supported on load bearing walls, at least grade 5
of SANS 1783-2, of a size 114mm x 30mm or bigger and may not be spaced more than 500mm apart.
2.
Each foot of water heater must rest on a support beam.
3.
No water heater or storage tank of capacity exceeding 200 L shall be attached by means of brackets or hangers to a load-bearing masonry or
concrete wall or to any other vertical structural element.
PLUMBING CERTIFICATE OF COMPLIANCE
1.
A plumbing certificate of compliance from the Plumbing Industry Registration Board (PIRB) the SAQA registered professional body for plumbers,
2
SANS 10252-Part 1
and SANS 10254
shall be issued for the installation, replacement or repair of any plumbing works carried out on the hot water reticulation system.
WRITTEN NOTICE OF NON-COMPLIANCE
When any replacement, repair or maintenance work is being done on any components in the system, a written notice of all non-compliances must be
given by the plumber to the owner or occupant for the owner’s attention. See annex A.
REPAIRS/MAINTENANCE OF A TEMPERATURE AND PRESSURE VALVE
The following critical areas of compliance in terms of the SANS requirements must be undertaken when the repairs/maintenance of a Temperature
and Pressure Valve is undertaken. Repair/Maintenance shall include the replacement of a Temperature and Pressure Valve and or installation of a
Temperature and Pressure Valve to an existing installation.
COMPONENTS (INCL. PIPES, FITTINGS AND FIXTURES)
1.
All materials, pipes, fittings, components and fixtures used in the repair/maintenance must meet SANS 10252 – 1 section 5 (when applicable the
supplier must be able to provide proof that the component complies to the relevant SANS standard) and must be listed on the JASWIC acceptance
list.
2.
Materials, pipes, fittings, components and fixtures must be installed as per regulation and manufacturers guidelines.
3.
Connections to all components must be union type for ease of replacement.
4.
Adequate access must be provided to remove or maintain or replace any component.
TEMPERATURE AND PRESSURE VALVE
1.
The Temperature and Pressure Valve shall have the same pressure rating as other valves used in the system.
2.
The pressure rating of the Temperature and Pressure Valve may be less than the rated pressure of the storage water heater but shall never
exceed it.
3.
The discharge pipes from the Temperature and Pressure Valve shall
a)
never be joined together with other discharge pipes,
b)
led to a discharge point which is visible outside the building and in a position where the discharge from the pipe will not cause a nuisance and
cannot become blocked,
c)
be installed in a manner that will obviate the development of water traps which could prevent the free return of air into the system,
d)
sized not less than the size of the outlet of the valve for which the pipe is intended.
e)
Always be of metal and inclined downwards