Select TWO options based on nec4

An NEC4 Engineering and Construction Contract Option A including secondary Option X15 has been awarded for the construction of a new pedestrian footbridge. The Scope provided by the Client requires the bridge to be 3m wide. The Contractor is responsible for all of the design. The period for reply is two weeks. TO NEXT UNANSWERED QUESTION The new bridge requires piled foundations which will be installed by a specialist contractor (Foundations Ltd) under a contract with the Contractor. Which TWO of the following statements are correct? Select TWO options ( The Contractor should not appoint Foundations Ltd until the Client has approved the Contractor's proposal to use this specialist contractor and the proposed subcontract documents. The Contractor may subcontract work but remains responsible for the work done by the specialist contractor. The Contractor is responsible for Providing the Works as if it had not subcontracted so does not have to obtain the Project Manager's acceptance before appointing Foundations Ltd. The Contractor should not appoint Foundations Ltd until the Project Manager has approved the Contractor's proposal to use this specialist contractor and the proposed subcontract documents. The Contractor should not appoint Foundations Ltd until the Project Manager has accepted the Contractor's proposal to use this specialist contractor and, unless the Project Manager has agreed that no submission is required, the proposed subcontract documents. O, 0 OO