MTM OHW Transfer -

• Document No.

• Structure no. & date of installation

• Area

  Select Yes No N/A

  • Yes
  • No
  • N/A

• Lot No.

  Select Yes No N/A

  • Yes
  • No
  • N/A

• Conducted on

  Date

• Installed on

  Date

• Prepared by

• Location
  Address

Gantry Jewellery Inspection

• Brackets set as per design drawings

  Yes

  No

  N/A

• Bolts/ Nuts / Lock Nuts/ Washers are correct type/size and tightened in accordance to specifications & standard drawings.

  Yes

  No

  N/A

• Split pins are not under load.<br>Split pins can be removed without a substantial force.

  Yes

  No

  N/A

• Cantilever installed level with 2-4 extra chain links.<br>Excess chain to be cut after works completed.<br>Cantilever is set horizontal and perpendicular to track.

  Yes

  No

  N/A

• Boom is installed level and perpendicular to track.<br>No overhang at platforms. Trim & cold galvanise where required.

  Yes

  No

  N/A

• V-Dropper clipped to catenary at 600/800mm from center.<br>Anti-torsion brackets installed where out-of-running steady arm crosses over in-running wire.

  Yes

  No

  N/A

• Correct type steady arm installed as per design.

  Yes

  No

  N/A

• Insulators free from any visible damage and clean from dust & mud. Due care taken during transportation.<br>Tertiary insulators installed where indicated by design drawings.

  Yes

  No

  N/A

• Structure located over platform or connected to retaining wall/bridge?

• Secondary insulation used with bonding between insulators directly to rail. Insulated steady arms used for push-off arrangements.

  Yes

  No

  N/A

Transfers

• Catenary Aligned with contact in direction of track center line to avoid twist in the contact.

  Yes

  No

  N/A

• Droppers installed as per dropper schedule. Droppers should not be slack or hogging. Wire cleaned prior to dropper installation. Droppers must be crimped to ensure electrical conductivity. Line Taps to be removed once crimped

  Yes

  No

  N/A

• Minimum dropper length is 300mm. If dropper length is less than 300mm, sliding dropper clips must be used

  Yes

  No

  N/A

• Heel height must be 85mm +25mm/-0mm.

  Yes

  No

  N/A

• Contact wire height must be within +75mm/-75mm of design and a minimum of 4.85m when adjacent to platforms & 5.64m over level crossings. Grade maximum of 1:300.

  Yes

  No

  N/A

• Stagger looking in down direction is as per design drawings +50mm/ -50mm. No Stagger to exceed 300mm, including mid-bay with blowoff added.

  Yes

  No

  N/A

Clearances

• All clearances as per standard drawings & design drawings. Installed equipment should not be installed inside the train dynamic envelope.

  Yes

  No

  N/A

• Clearace to dead from live components is 300mm in all directions at structure. Clearances along line should take into account blow off and proximity to closest touch point eg signal platforms.

  Yes

  No

  N/A

Electrolysis

• Electrolysis aerial feeder installed on structure

• All materials (insulators, terminations, etc.) as per IFC drawings

  Yes

  No

  N/A

• Insulators as per design drawing & free from any visible damage and clean from dust & mud.

  Yes

  No

  N/A

• Brackets set as per design drawings

  Yes

  No

  N/A

• Bolts/ Nuts / Lock Nuts/ Washers are correct type/size and tightened in accordance to specifications & standard drawings.

  Yes

  No

  N/A

• Clearace to dead from live components is 300mm in all directions at structure. Clearances along line should take into account blow off and proximity to closest touch point eg signal platforms.

  Yes

  No

  N/A

• Electrolysis 'Tee' off or crossing installed on structure

• Grey PVC conduit housing cable as per design drawing

  Yes

  No

  N/A

• Unistrut installed on structure to house conduit and cable (no steel straps)

  Yes

  No

  N/A

• Adequate mechanical protection installed to 3m or greater above ground level

  Yes

  No

  N/A

• Electrolysis pits installed where required with correct labelling. Pits to be 600mm diameter or 600mm x 300mm concrete lids/blackHDPE pits or better standard

  Yes

  No

  N/A

• Additional Comments/Photos:

22kV

• 22kV installed on structure

• Type of 22kV instalation

  Strain

  Non-Strain

• All materials (insulators, terminations, etc.) are as per IFC drawings

  Yes

  No

  N/A

• Bolts/ Nuts / Lock Nuts/ Washers are correct type/size and tightened in accordance to specifications & standard drawings.

  Yes

  No

  N/A

• Insulators as per design drawing & free from any visible damage and clean from dust & mud.

  Yes

  No

  N/A

• Crimp link installed correctly and conductor continuous

  Yes

  No

  N/A

• Phases free from tangles and clearances between phases maintained as per standard (>300mm)

  Yes

  No

  N/A

• Clearace to dead from live components is 1300mm in all directions at structure. Clearances along line should take into account blow off and proximity to closest touch point eg signal platforms.

  Yes

  No

  N/A

• All materials (insulators, terminations, etc.) are as per IFC drawings

  Yes

  No

  N/A

• Bolts/ Nuts / Lock Nuts/ Washers are correct type/size and tightened in accordance to specifications & standard drawings.

  Yes

  No

  N/A

• Insulators as per design drawing & free from any visible damage and clean from dust & mud.

  Yes

  No

  N/A

• Phases free from tangles and clearances between phases maintained as per standard (>300mm)

  Yes

  No

  N/A

• Clearace to dead from live components is 1300mm in all directions at structure. Clearances along line should take into account blow off and proximity to closest touch point eg signal platforms.

  Yes

  No

  N/A

Defects

• Defects:

Photos

• Add media

  Media

As-Built Inspection

• Non compliance?

• NCR No.

Sign Off

• Project Engineer/Supervisor

  Sign