In all requests for approval of conditional uses, the burden of proof shall be on the applicant. The Planning Board shall give due consideration to all reasonable elements which could affect the public health, welfare, safety, comfort and convenience such as, but not limited to, the proposed uses, the character of the area, vehicular travel patterns and access, pedestrian ways, landscaping, lighting, signs, drainage, sewage treatment, potable water supply, utilities and building and structure location(s) and orientations.