Procedure. All applications for the use of a lot for a special permit use shall be referred to the Board of Appeals by the Building Inspector. Such applications shall be accompanied by a detailed development plan and such other exhibits as may be needed to clearly indicate the proposed use, its location on the lot, the size and bulk of all structures, the location of vehicular ways, parking lots and all appurtenant facilities. The Board of Appeals may hold a public hearing on any such proposal if it deems such to be desirable. A special permit, where granted, may include any specific additional conditions and safeguards deemed necessary by the Board of Appeals to carry out the intent of this chapter.