SANS 10252-Part 1 and SANS 10254
REPAIRS / MAINTENANCE OF A ISOLATING AND CONTROL VALVES The following critical areas of compliance in terms of the SANS requirements must be undertaken when the repairs / maintenance of an Isolating or Control Valves is undertaken. Repair / Maintenance shall include the replacement of a Vacuum Control Valves and or installation of Vacuum Control Valves 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.
ISOLATING AND CONTROL VALVES
1. Shall not be provided between any expansion-relief device or vacuum relief device. PLUMBING CERTIFICATE OF COMPLIANCE 1. A plumbing certificate of compliance from the Plumbing Industry Registration Board( PIRB) the SAQA registered professional body for plumbers, 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 PIPEWORK The following critical areas of compliance in terms of the SANS requirements must be undertaken when the repairs / maintenance to the hot water systems pipework is undertaken. 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.
PIPEWORK 1. The pipes shall be firmly anchored to prevent water hammer and the dislodgement of joints. 2. Thermal insulation must be installed on the repaired hot and cold pipe work as directed in SANS 10252-1 section 6(* 3 m from the hot water outlet, cold pipe first 1m from inlet and first 1m of the Temperature and Pressure discharge pipe) 3. * While the standard reflects all hot water pipes, IOPSA recommends 3m, while the remaining pipework should be noted to the client( see below for written non-compliance).
4. In the case where the pipe work is totalled replaced and or new pipe work is installed Thermal insulation must be installed on the hot and cold pipe work as directed in SANS 10252-1 section 6( the whole length of the replaced / installed hot water pipe, cold pipe first 1m from inlet and
first 1m of the Temperature and Pressure discharge pipe)
PLUMBING CERTIFICATE OF COMPLIANCE 1. A plumbing certificate of compliance from the Plumbing Industry Registration Board( PIRB) the SAQA registered professional body for plumbers, 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 THERMOSTAT / ELEMENT The following critical areas of compliance in terms of the SANS requirements must be undertaken when the repairs / maintenance to the Thermostat and or Element is undertaken. Repair / Maintenance shall include the replacement of a Thermostat and or Element. 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.
THERMOSTAT
1. 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, and e) in the case of safety valves, always be of metal and inclined downwards away from the valve. f) Thermal insulation must be installed on 1m Temperature and Pressure discharge pipe.
ELEMENT 1. Ensure that siphonage of the water heater is prevented. PLUMBING CERTIFICATE OF COMPLIANCE 1. A plumbing certificate of compliance from the Plumbing Industry Registration Board( PIRB) the SAQA registered professional body for plumbers, 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.
www. plumbingafrica. co. za May 2017 Volume 23 I Number 3