MVAC Sub-Contractor shall submit to the Main Contractor or Builder all necessary information, schedules and fully dimensioned drawings showing details of builder's work required in connection with the Sub-Contract work. Such submissions shall be made in sufficient time for the Main Contractor or Builder to obtain the Architect's approval and to enable the Main Contractor or Builder to incorporate all holes, chases and the like to be left in the structural building work as it proceeds so as not to be cut out subsequently