You are the$$Project Manager$$involved in a complex refurbishment of an historic building. This has been procured under Option A of the ECC. Secondary Option X$7$ delay damages is included. A first programme was identified in Contract Data. The project includes extensive work by other specialist contractors employed by the$$Client$.$

a

Describe how the contract recognises such specialists that are directly engaged by the$$Client$?$ What obligations are placed on the$$Contractor$$to liaise and incorporate the specialists$$ work into their own plans?

The$$Contractor$$shows on the Accepted Programme that one of these specialists is required to provide concrete plinth details by week $14$ of the contract, which they fail to do$.$ This directly impacts upon the$$Contractor$$s$$ability to meet a Condition stated for a Key Date.

b

What should the$$Contractor$$do as soon as becoming aware of this? Is there a time limit for this? $[3$ marks$]$