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
14 Jun, 2011
Power Generation and Distribution Machinery and Accessories - (100%)
