exhibit 10. 5 amended and restated design - build agreement for guaranteed maximum price architectural, engineering and construction services dated september 14, 2005 change order and amendment 25 may 2006 project : wynn resorts macau change order no. : 3 “ contractor ” : jointly and severally “ owner ” : leighton contractors ( asia ) limited 39th floor, sun hung kai centre 30 harbour road north wanchai hong kong wynn resorts ( macau ) s. a. 335 - 341, alameda dr. carlos d ’ asumpcao 9th floor, hotline centre macau china state construction engineering ( hong kong ) limited 29th floor, china overseas building 139 hennessy road hong kong china construction engineering ( macau ) company limited rua do campo no. 78 edificio commercial zhang kian, 18 andar macau pursuant to article xviii of that certain amended and restated design - build agreement for guaranteed maximum price architectural, engineering and construction services between owner and contractor for the design and construction of a luxury resort / hotel / casino complex in macau known as wynn resorts macau, executed and delivered as a deed on september 14, 2005 ( the “ contract ” ), and the desire of the owner and contractor to amend and supplement certain terms and provisions of the contract, the contract is hereby modified by this agreement and all related drawings, plans and specifications attached hereto ( collectively, the “ change order ” ), made as a deed effective as of the date set forth above. 1 1. scope of work. the scope of work is changed as follows ; masterplan drawings for the following modifications and additions / deletions ( collectively the “ masterplan modifications ) : expansion area modifications plan no. sk no. 8. 2. 1. 0237 / 06 dated 17 may 06 defines area 7 for the purposes of this change order. the interior fit - out works and building services installations, as further defined below, are deleted from the scope of works. area 7 on the referenced plan is to be treated as a “ shell ” space with no floor, wall or ceiling finishes installed. building services central plant installation and primary distribution and trunking shall be provided, as well as all life safety systems installation as required to achieve code compliance. the following describes the extent of works to be installed by the contractor : a. architecture : all external architectural elements and finishes as documented on the above referenced masterplans are to be constructed. temporary walls shall be provided to separate operational and unfitted areas. these walls shall provide