That the site development will be compatible with contiguous land and buildings and adjacent neighborhoods. Compatibility shall be determined by a review of proposed use of materials, scale, mass, height, color, texture, and location of the structure or structures on the site. In addition, in the DB and GB Districts, the determination of compatibility shall also take into account consideration of the historic, rural character of the Hamlet of Highland and consider building size, style, form, roofline, architectural detailing, size and shape of window and door openings in relation to structures of historic significance as well as maintenance of building setbacks and building proportions in relation to neighboring structures. The Planning Board shall utilize the procedures set forth in § 100-30 and Appendix A, Design Standards and Guidelines for Business Districts, included at the end of this chapter,[2] as the basis for its review and determination.