16.2.1 The Surveyor is to examine and be satisfied as to the efficient
condition of the following systems as required by Pt 7 Safety Systems, Hazardous Areas and Fire:
- Fire and gas alarm indication and control systems.
- Systems for broadcasting safety information.
- Protection system against gas ingress into safe areas.
- Protection system against gas escape in enclosed and semi-enclosed
hazardous areas.
- Emergency shut-down (ESD) systems.
- Protection system against flooding, including:
- Water detection alarm systems for watertight bracings,
columns, pontoons, footings, void watertight spaces and chain
lockers.
- Bilge level detection and alarm systems on
column-stabilised units and in machinery spaces on surface type
units.
- Remote operation and indication of watertight doors and
hatch covers and other closing appliances.
- Fire detection and extinguishing apparatus.
16.2.2 Satisfactory operation of automatic shut-down devices and alarms is to
be verified.
16.2.3 Enclosed hazardous areas such as those containing open active mud tanks,
shale shakers, degassers and desanders are to be examined and doors and closures in
boundary bulkheads verified as effective. Ventilating systems including duct work,
fans, intake and exhaust locations for enclosed restricted areas are to be examined,
tested and proven satisfactory. Ventilating-air alarm systems are to be proven
satisfactory. In hazardous areas electric lighting, electrical fixtures, and
instrumentation are to be examined, proven satisfactory and verified as
explosion-proof or intrinsically safe. A complete survey of electrical installations
is to be carried out in accordance with Section 9. Electrical motors are to be
examined, including closed-loop ventilating systems for large d.c. motors. Automatic
power disconnect to motors in case of loss of ventilating air is to be proved
satisfactory.
16.2.4 Piping systems for process plant and other systems in hazardous areas
are to be checked for leaks, corrosion, and the safe operation of valves. Piping
systems are to be tested when required by the Surveyor.