Hong Kong Regulations

GAS SAFETY (GASHOLDERS EXAMINATION) REGULATION - SCHEDULE 3

FORM

[sections 3 & 9]

ANNUAL GASHOLDER INSPECTION AND MAINTENANCE RECORD

DRY-SEALED GASHOLDER

Name of owner: Address: Gasholder number: Type of gasholder

(e.g. Wiggins, MAN, etc.): Capacity: Type of gas stored: Operating pressure:
Built in (date): by: Last inspection date: Stock in holder at time of
inspection: Maximum Minimum Inspection by: Date of inspection: Authority: 1.
General conditions

   (a)  Off-site condition (within a region of 30 m from gasholders)

   (b)  On-site condition (within a region of 6 m from gasholders or boundary
        of gasholder premises, whichever is the greater)

        (i)    Security:

        (ii)   Housekeeping:

        (iii)  Sources of ignition:

        (iv)   Electrical equipment:

        (v)    Provision of -Warning notices: -Emergency instruction: -Fire
               fighting equipment: 2. Gasholder conditions

   (a)  Bottom condition

        (i)    Foundation settlement with respect to East, South, West and
               North

        (ii)   Guard below levelling weight with respect to East, South, West
               and North

        (iii)  Earthing connections with respect to East, South, West and
               North

        (iv)   Footing with respect to East, South, West and North

   (b)  Shell condition (External and/or Internal)

        (i)    Side plate:

        (ii)   Vents with mesh:

        (iii)  Access doors -Locking device: -Handhole:

        (iv)   External staircase -Handrails and toeboards:

        (v)    Levelling weights and guides:

        (vi)   Volume indicator:

        (vii)  Condition of drain valve:

   (c)  Roof condition (External and/or Internal)

        (i)    Steel roof:

        (ii)   Ventilator type manways:

        (iii)  Framing:

        (iv)   Handrails and toeboards:

        (v)    Sheaves -Support and rollers: -Lubrication: -Wear:

        (vi)   Levelling weights -Wire ropes (10% of 8 times of wire
               diameter): -Well greased:

        (vii)  Volume relief valve -Operable: -Tightness of seat:

        (viii) Concentricity:

        (ix)   Plumb measurement:

   (d)  Piston condition

        (i)    Atmosphere above piston:

        (ii)   Piston plating, framing, fender, walkway and handrail:

        (iii)  Piston ladder:

        (iv)   Weights on deck:

        (v)    Shell belt angle and piston seal bar:

        (vi)   Abutment plates -Spacing: -Alignment:

        (vii)  Rope anchorage:

   (e)  Telescoping fender condition

        (i)    Fender, walkway and handrails:

        (ii)   Fender ladder:

        (iii)  Fender seal bars:

        (iv)   Piston engaged and disengaged T-fender:

   (f)  Seal condition

        (i)    Atmosphere above seal:

        (ii)   Seal surface -signs of folds, creases, surface cracks or drag
               down:

        (iii)  Bolted connections:

        (iv)   Bottom of piston:

   (g)  Levels Variation in level of piston/fender unit taken at each wire
        rope near top, midway and bottom:

   (h)  Clearances

   (i)  Variations in clearance between shell and piston/fender taken at each
        wire rope near top, midway and bottom:

        (ii)   Variations in clearance between shell and telescoping fender
               taken at each wire rope near top, midway and bottom:

        (i)    Pipes and valves condition

        (i)    Inlet, outlet and drain pipes and fittings:

        (ii)   Inlet, outlet and drain valves: -Working condition: -Tightness:
               3. Paintwork condition 4. Repairs and/or paintwork carried out
               since last inspection 5. General observation (Enacted 1996)