Preliminary Contract Schedule. No later than thirty (30) days after receiving the Notice to Proceed under Article 5 of the General Construction Provisions, Contractor shall furnish to the District Representative three (3) hard copies and one copy in electronic format of a Preliminary Contract Schedule. The Preliminary Contract Schedule shall be based on and incorporate the Contract Milestones and Completion Date specified in the Work Plan and Schedule (Attachment 1 to the Project Manual, Exhibit B to the Facilities Lease). The Preliminary Contract Schedule shall indicate the detailed plan for the Work to be completed in the first ninety (90) days; details of planned mobilization of plant and equipment; sequence of early operations; and procurement of materials and equipment. Work beyond ninety (90) days shall be shown in summary form.