$6.$ Following a failed test on site, the Supervisor notifies a Defect. The Contractor disagrees. Due to the uncorrected Defect, the Project Manager cannot issue a certificate for Completion. As a result of the delay, delay damages incur. The Contractor strongly disagrees and refers the matter to the Adjudicator for a decision. The tribunal under the contract is arbitration.

Which TWO of the following statements are correct?

$$ A dispute arising from a Supervisor$$s notification of a Defect cannot be referred to the Adjudicator.

$$ Where Option W$2$ applies, the Contractor may refer a dispute to the Adjudicator at any time whether or not the dispute has been referred to the Senior Representatives.

$$ Where Option W$1$ applies, the Contractor should refer the dispute to the Senior Representatives before issuing a notice of adjudication.

$$ Where Option W$2$ applies, the Contractor should refer the dispute to the Senior Representatives before referring to the tribunal.

$$ Where Option W$1$ applies, an action or inaction of a Supervisor cannot be referred to a Senior Representatives.