Complete removal of the existing roofing system at the Municipal Building (approximately 19,500 square foot including parapets). Replacement of the roofing systems, including insulation, membrane roofing, flashing, lightning protection, and other associated work. Removal and replacement of existing mechanical units at the Municipal Building. Installation of new photovoltaic array and associated equipment. Complete removal of the existing roofing system at three buildings at the Public Works Complex (approximately 39,700 square foot including parapets). Replacement of the roofing systems, including insulation, membrane roofing, flashing, and other associated work. Installation of new photovoltaic arrays at the North Shed and Office Buildings in the Public Works Complex, including associated trenching.