Information
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Document No.
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Cable Support (Ladder) Checklist
General
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Time
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ITP Inspection
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Inspection Type
- Work to Go
- Punchlist Inspection
- General
- Punchlist Signoff
- Compliance
- Post Delivery
- Final Handover
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Basic Location
- Access Roads
- EPCM
- Overland Conveyor
- ROM Reclaim
- ROM Transfer Pad
- MIA
- Raw Coal Stockpiles
- CV-045
- TS-044
- CV-008
- General Surface Aress
- MSF
- M&M Drift
- Mainteck Offsite Yard
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Specific Location/s
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Attendees
- Jared Nitschke
- Mark Sanders
- Bruce Johnston
- Patrick Doody
- Wylie Pearson
- Grant Porter
- Dave Middleton
- Phil Adlam
- Tony Pereria
- David Seaver
- Brett Heycox
- Andrew Marriott
- Michael Ross
- Deon Cordie
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Other Attendees
Cable Ladder
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Cable ladder shall be, as a minimum HD NEMA 20C in 6.0m lengths with rung spacing 300mm and eight bolt splice plates, and shall be mounted 250mm vertical clearance between ladders; 150mm clearance under structural and sections no less than 2.25m above access areas.
Cable Ladder Fittings
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All changes in direction and size being made with standard proprietary fittings.
Cable Ladder Installation
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Cable ladders shall be mounted on structural steelwork and on masonry, and shall be installed true to line and level. Exposed metal dud to cutting or welding during installation of galvanised steel ladders shall be painted with organic zinc paint.
Expansion joints
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Cable ladders installed in straight runs exposed to direct sunlight shall be provided with thermal expansion gaps at intervals not exceeding 50m. Earth straps at expansion joints need to be flexible.
Sealing General
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All holes in walls, floors, floor plates and gland plates and all pipes through which cables, conduits or earthing bars pass, shall be sealed with a non combustible material go prevent the ingress of dust and vermin. All conduit openings cable entries into trenches, spare conduits or ducts and cable entries into equipment shall be effectively sealed. Sealing of floors and wall penetrations shall maintain the exact same fire rating of the floor or wall. Holes passing through concrete floors shall be sealed by filling the hole with 6:1 sand concrete mix approximately 50mm thick. Holes in concrete or block walls shall be sealed in a similar manner or as may be directed by the Company Representative.
Stainless Steel Cable Ladder
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Stainless steel cable ladder shall be used in the CHPP, tunnels and wet areas.
Earthing
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Install earth straps st joints. PVC insulated 120mm2 copper equipotential earth cable shall be provided for the full length of the ladder, bonded to the ladder every 18m via a tee and flying lead. At the switchroom end the cable shall be bonded to the substation earth bar and in the field to all electrical equipment and panels. At ladder tee-off connections to the cable ladder main route a bonded connection shall be made and an earth cable be provided for the connecting cable ladder. Earth cables shall not be covered by other cables, and tee-off joints of earth cables shall be visible.
Segregation Barriers
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Shall be constructed from angled material of the same environmental integrity as the ladder material. Conductive segregation barriers shall be connected to the cable ladder system by equipotential bonding conductors.
Cable Ladder Lids (Sunshields)
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Fitted to the uppermost or outer most cable ladder runs exposed to direct sunlight. Horizontal ladder on the flat: 30°peaked cover; Horizontal ladder on the edge: Solid flat cover; Solid flat cover. No welding or tech screws. No corrosion. Correct clips
Inspector
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Inspector
- Jared Nitschke
- Mark Sanders
- Bruce Johnston
- Patrick Doody
- Wylie Pearson
- Grant Porter
- Dave Middleton
- Phil Adlam
- Tony Pereria
- David Seaver
- Brett Heycox
- Andrew Marriott
- Michael Ross
- Deon Cordie
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Signature
