Tension Deck Fabrication

For Oil and Gas Industry

All welding and NDT in accordance with AWS D1.1/D1.1M.
Weld procedures and welder qualifications can be completed within 2 weeks whilst waiting for materials.
All beam flange connections are to be full penetration butt weld.
Note – The 700WB’s will be received in 15m lengths and will be flame cut to size/shape.
All bolts, shackles, sling sets and weld on RUD’s supplied. Sling sets shall be proof load tested. RUD’s to be subject to pull test loading.
Tension deck to be elevated and supported at each corner to allow for the trial removal and re-installation of the Link Beam.
Tension deck to have all loose components trial fitted prior to surface treatment.
All loose items to be fitted for delivery. Delivery is within the immediate East Arm Wharf area. Craneage for unloading the tension deck is to be supplied by others.
There is no provision in the above costs for the load testing of the tension deck as no details have been supplied.

All materials supplied with EN10204 3.1 certification or to Australian Standard equivalent.
Plates sizes not available will be substituted for the following. 35mm to be 36mm, 15mm to be 16mm.
Plate size 10mm, 12mm, 16mm, 20mm, 36mm and 60mm shall be grade AS/NZS 3678-350.
Plate size 130mm shall be grade AS/NZS 3678-250.
All welded beams, universal beams and angles shall be grade AS/NZS 3679-300.
All handrail pipe to be grade AS1163 C250LO.
Deck plate shall be to grade AS/NZS 3678-250.

The following surface preparation and coating system is offered for an offshore marine environment.

Abrasive blast to AS1627:4 Class 2.5
Apply one coat Interzone 954 to 150 um DFT main frame only. Colour RAL 5012 Light Blue.
Apply 1^st coat Intergard 269 to 75 um DFT handrails only.
Apply 2^nd coat Interthane 990 to 75 um DFT handrails only. Colour RAL 1003 Signal Yellow.
Nonslip to be added to the deck plates.
All stencils of AE logo and information included as per details supplied in the drawings.

Our Darwin Fabrication Service produces the highest quality machined components and fabrications.