Page 43: of Offshore Engineer Magazine (Mar/Apr 2013)

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EPIC – Platforms improvement. One of the major 2011 2012 2010 achievements was obtaining 2009 approval of phased-array ultrasonic

ENGINEERING testing (PAUT), in lieu of

PROCUREMENT radiographic testing (RT) for structural and piping joints.

FABRICATION

Because there was no radiation hazard, work could progress

TRANSPORTATION in adjoining areas, resulting in

Production start 12 October improved productivity during

INSTALLATION fabrication at yard and hook-up offshore. A special RT technique

MHN Project time-scale.

called small controlled-area radiography (SCAR) was employed timely job completion and load-out offshore during hook-up. This with fewer fabrication punch technique requires a much smaller points.

safe radiation zone (1m). Hence, progress was enabled around the Load-out clock. The Hazira yard has a tidal jetty. Special attention was paid on Load-out and sail-out operations storage and preservation of E&I are tide dependent and cannot be items and critical equipment by done throughout the fair weather providing necessary materials, like season. Load-out and sail-out vapor corrosion inhibitors pouches need tidal levels of 3.9-4.5m, and (VCI), VCI sheets, dehumidifers, 4.7m, respectively. There are only stretch flms, etc. Inspection a few available times that have the documents were strictly controlled. required tides for these operations.

This helped clear inward material Large modules require a large inspection reports, which in turn barge, which represented a further helped clear material for fabrication constraint. Transporting 400ft cargo and lesser punch points. barges through Hazira channel A thorough control on minimized safely was diffcult. Another

NDT backlog was achieved using challenge was posed by extra- electronic activity level planning long bridges (137m long) for the system in yard, which enabled fare lines of MHN and MNW-NF

Load-out of MNP South East deck from MFF Hazira.

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