OHW - Termination and Balance Weight Assemblies Checklist

• CHK Ref. No.

• Work Lot

• ITP Ref. No.

• Prepared By

• Approved By

• Structure No.

• Date

  Date
• Location
  Address

1.0 PRE-CONSTRUCTION CHECKS

• 1.1 l Design l Termination Assembly as per latest IFC Drawings and Standard Drawings

  Select

• Yes

  No

  N/A

2.0 MATERIALS

• 2.1 l Components l All components free of cracks and burrs and visually inspected for any defects.

  Yes

  No

  N/A

• 2.2 l Wire Rope l Wire rope free of defects, kinks, damaged strands. Free ends to be hot fused to prevent splaying.

  Yes

  No

  N/A

• 2.3 l Weights l Weights Installed as per system requirements and design tension

• 2.3 a) Contact Tension

• 2.3 b) Catenary Tension

• 2.4 l Insulators l Insulators clean from dirt and mud and visually inspected for cracks and other defects

3.0 INSTALLATION

• 3.1 l BW Wheel l Brackets Vertical alignment of the swivel frame pin and wire rope, Ensure top and bottom horizontal guide tube brackets have NO offset,BW wheel brackets to be exactly horizontal to ensure vertical alignment for wire rope.

  Yes

  No

  N/A

• 3.2 l Wire Rope l Wire rope correctly wound onto weight wheel and not fouling edge or crossing. Bulldog grips installed on the free ends at the wheel to ensure no slipping.

  Yes

  No

  N/A

• 3.3 l Ratio/ Turns l Horizontal rope terminating aerial conductor has 1.5 turns around small shaft. Vertical rope holding weights has 1.75 turns around outer groove

  Yes

  No

  N/A

• 3.4 l Weight Wheel l Weight wheel is free of swivel frame and free to rotate

  Yes

  No

  N/A

• 3.5 l Fastenings l Bolts, nuts, pins secured & checked tight

  Yes

  No

  N/A

• 3.5 l Clearance l Enough extra rope is used to ensure thimble and stirrup do not clash with wheel

  Yes

  No

  N/A

• 3.6 l Weights l Weights move freely on guide rod. Nut at bottom of weights intact and weights secure. Bulldog grip installed on weight rod above weights

  Yes

  No

  N/A

• 3.7 l Moving Parts l All moving joints and wire rope to be greased

  Yes

  No

  N/A

4.0 AS-BUILT INSPECTION

• 4.1 l Insulators l Correct Insulator used. Insulators installed at correct distance from anchor as per IFC drawings.

  Yes

  No

  N/A

• 4.2 l Guide Rod l Dimension Y within tolerance (±250mm)

  Yes

  No

  N/A

• Ambient Temperature

• Ambient Temperature

• 4.3 l Design Change l Alterations to design captured in RFI

  Yes

  No

  N/A

• 4.4 l Non-Conformance l Design changes not captured in RFIs must be captured in NCR

  Yes

  No

  N/A

SIGN OFF

• Comments

• Engineer/ Supervisor Name and Signature

  Sign