Hong Kong Regulations

GAS SAFETY (GASHOLDERS EXAMINATION) REGULATION - SCHEDULE 2

FORM

[sections 3 & 9]

ANNUAL GASHOLDER INSPECTION AND MAINTENANCE RECORD

WATER-SEALED GASHOLDER

Name of owner: Gasholder number: Type of gas stored: Built in (date): by: Type
of gasholder (i.e. column, spiral or rope guided): Capacity (exclusive of
crown): Lifts-Diameter and depth of, and pressure thrown by each lift: Guide
framing-Construction: Crown-Rise: Number and type of manholes: Position and
number of gas and air vents: Sheets-Thickness of crown sheets:
Thickness of side sheets: Cups and grips-Size and construction: Top curb and
crown framing: Type of ladder: Tank-Diameter: Depth: Construction: Position in
relation to ground level: Rest blocks: Number: Size: Material used for
construction of-

   (a)  Gasholder:

   (b)  Tank: Inlet and outlet connections-Size:
Position of each:
Together or separated: Date of inspection: Inspection made by: Authority: 1.
Framing: Condition of-

   (a)  Columns.

   (b)  Girders.

   (c)  Junction of girders and columns.

   (d)  Wind bracing.

   (e)  Ladder or staircase and handrail. 2. Lifts:

   (a)  Top Lift:

        (i)    External condition of crown sheets.

        (ii)   Number of patches on crown sheets.

        (iii)  Condition of ladder or staircase and handrail (including crown
               handrails).

        (iv)   Condition of carriages and rollers.

        (v)    State of roller lubrication.

        (vi)   Condition of crown paintwork.

        (vii)  External condition of side sheets.

        (viii) Number of patches on side sheets.

        (ix)   Condition of side paintwork.

        (x)    Condition of cup and deposits and leakage, and effective depth
               of seal.

        (xi)   State of inflation at the time of inspection.

   (b)  Second Lift:

        (i)    External condition of side sheets.

        (ii)   Number of patches.

        (iii)  Condition of ladder or staircase and handrail.

        (iv)   External condition of cup and grip.

        (v)    Cup deposits and leakage and effective depth of seal.

        (vi)   Condition of carriages and rollers.

        (vii)  State of roller lubrication.

        (viii) Condition of paintwork.

        (ix)   State of inflation at the time of inspection.

   (c)  Third Lift:

        (i)    External condition of side sheets.

        (ii)   Number of patches.

        (iii)  Condition of ladder or staircase and handrail.

        (iv)   External condition of cup and grip.

        (v)    Cup deposits and leakage and effective depth of seal.

        (vi)   Condition of carriages and rollers.

        (vii)  State of roller lubrication.

        (viii) Condition of paintwork.

        (ix)   State of inflation at the time of inspection.

   (d)  Bottom Lift:

        (i)    External condition of side sheets.

        (ii)   Number of patches.

        (iii)  Condition of ladder or staircase and handrail.

        (iv)   External condition of grip.

        (v)    Condition of carriages and rollers.

        (vi)   State of roller lubrication.

        (vii)  Condition of bottom curb.

        (viii) Condition of bottom carriages and rollers.

        (ix)   Condition of paintwork. 3. Tank:

   (a)  External condition of side plates.

   (b)  Condition at water level.

   (c)  Condition of ground level.

   (d)  Level of water-overflow.

   (e)  Deposits and leakages.

   (f)  Condition of carriages and rollers.

   (g)  State of roller lubrication.

   (h)  Condition of paintwork.

   (i)  Condition of ladder or staircase, handrail and balcony. 4.
        Measurements:

   (a)  Horizontal measurements from lift to lift at: North point at top cup:
        South point at top cup: East point at top cup: West point at top cup:
        North point at second cup: South point at second cup: East point at
        second cup: West point at second cup: North point at third cup: South
        point at third cup: East point at third cup: West point at third cup:
        North point at tank top: South point at tank top: East point at tank
        top: West point at tank top:

   (b)  Vertical measurements from top of grip to water level at: North point
        at top cup: South point at top cup: East point at top cup: West point
        at top cup: North point at second cup: South point at second cup: East
        point at second cup: West point at second cup: North point at third
        cup: South point at third cup: East point at third cup: West point at
        third cup: North point at tank top: South point at tank top: East
        point at tank top: West point at tank top:

   (c)  Positions of rollers relative to guides on each lift. 5. Pressure:
        Unusual variations in pressure records: 6. Repairs and paintwork
        carried out since last annual inspection: 7. General observations:
        (Enacted 1996)