in accordance with CPA Sub Clause 2.1 Employer's Representative's Duties and Power and GCC Clauses 51.1 and 51.2 Alterations additions and Omissions,PMBCL as the Employer's Representative is hereby authorized to instruct the said Variation Order.PMCBL ,SH-UN JV and SINO-THAI shall take all necessary and reasonable steps to reach conclusion on Variation Order and propose to MRTA for an approval.Furthermore please be advised that MRTA has comments related to the above-mentioned instruction as per the enclosure,