The exterior of each building wall of townhouse units shall be not less than 95% constructed of brick or stone facing, solid brick or stone or some other acceptable durable material. Asbestos shingle and cinder or concrete block as exterior finishes are prohibited. The applicant shall submit to the Planning Board for review and approval, in addition to any and all other documents required by any other ordinance concerning site plan review, floor plans, elevation drawings, color rendering and detailed finish schedules. Curbing will be of Belgian block.