In conduction with an application for conditional use of all or part of the properties in the above listed districts, the owners shall submit to the Planning Board plans indicating the proposed parceling, interior roadways, access points, general location of parking areas and bulk and type of industrial structures conceived for ultimate development. This shall be considered a Master Plan, and all subsequent sale, lease, covenant and development shall be in accordance with the conditional use provisions herein and shall meet the spirit and intent of the Master Plan with reasonable alterations permitted where such alterations improve site development, internal traffic circulation, traffic access to arterial roads and general design.