AS NZS 60079.17:2017 pdf free.Explosive atmospheres Part 17: Electrical installations inspection and maintenance.
4 General requirements
4.1 Documentation
For the purposes of inspection and maintenance, up-to-date documentation (verification dossier) including any modification records, of the following items shall be available:
a) zone classification of areas and, if included, the equipment protection level (EPL) required for each location (see lEG 60079-10-1 and IEC 60079-10-2),
b) for gases: equipment group (IIA, llB or IIC) and temperature class requirements,
C) for dusts: equipment group (lIlA, lllB or IIIC) and maximum surface temperature requirements,
d) equipment characteristics e.g. temperature ratings, type of protection, IP rating, corrosion resistance,
e) records sufficient to enable the explosion protected equipment to be maintained in accordance with its type of protection (see IEC 60079-14), (for example list and location of equipment, spares, certificates, technical information),
f) copies of previous inspection records,
g) copy of the additional initial inspection records as detailed in IEC 60079-14.
Requirements for other documentation that may be necessary are provided in lEG 60079-14
and IEC 60079-19.
4.2 Qualification of personnel
The inspection and maintenance of installations covered by this standard shall be carried out only by experienced personnel, whose training has included instruction on the various types of protection and installation practices, the requirements of this standard, the relevant national regulations/company rules applicable to the installation and on the general principles of area classification (see Annex B). Appropriate continuing education or training shall be undertaken by personnel on a regular basis. Evidence of the relevant experience and training claimed shall be documented and available.
4.3 Inspections
4.3.1 General
4.3.1.1 Basic Principles
Before plant or equipment is brought into service, it shall be given an initial inspection. As part of the plant commissioning and start up procedures, initial inspection and other additional requirements are provided in IEC 60079-14.
To ensure that the installations are maintained in a satisfactory condition for continued use within a hazardous area, either
a) regular periodic inspections, or
b) continuous supervision by skilled personnel,
and, where necessary, maintenance shall be carried out.
NOTE 1 In the case of dusts, fibres or flyings, housekeeping can influence the inspection and maintenance requirements.
Following any adjustment, maintenance, repair, reclamation, modification or replacement, the equipment or relevant parts of equipment concerned shall be inspected in accordance with the relevant items of the detailed column of Tables 1, 2 and 3.AS NZS 60079.17 pdf download.