To construct 1422 clifton avenue of new hpr duplex family residence 3266 sq ft with a 542 sq ft garage and 68 sq ft of porches & decks. Duplex structure setbacks: minimum 5 side setbacks, minumum of 6 ft between detached units 42. 8 ft minimum front setback and minimum rear setback. Maximum height of 1. 5 to width ratio from natural grade..... Maximum building coverage on total parcel not to exceed 40%.... Must conform to all easements on property. Per ordinance bl2016-178.... An affidavit shall be submitted to the director certifying the date of demolition has commenced and describing the nature of the work performed to date. If no such affidavit is submitted within thirty days of issuance, the demolition permit shall be deemed invalid....