Design, manufacture and supply replacement components for Callide C Main Steam Pipe in Grade 91 Steel

The scope of work involves the Design, Manufacture, Quality Assurance, Testing and Delivery DDP (Incoterms 2010) to Callide C Power Station of new components to replace the existing main steam pipe Wye and Tees corresponding to weld numbers MSS-037, MSS-039 and MSS-025 as shown on the drawings provided in Section D on Units 3 and 4 using either:
(i) Forged and machined Grade 91 components, or
(ii) Welded components fabricated using seamless P91 pipe with a full re-normalisation and temper (N&T) heat treatment following fabrication
The following fabrication methods are not permitted:
(iii) Use of seam-welded pipe
(iv) Welded components fabricated using seamless P91 pipe without carrying out a full re-normalisation and temper (N&T) heat treatment following fabrication
(v) Use of any materials other than Grade 91 steel