Remove, replace roof gad modified bit fl56 r16. Enlarge columns to allow additional drainage installed raise height of parapets on roof.

Remove and replace roof tpo.

Phase 2 (construction approach and pricing scheduling): 2. Phase 2b (construction pricing to replace 2 units and piping on one shutdown): a. Contractor shall provide preliminary test and balance of the water and airside of all six units prior to any shut down or replacement b. Contractor shall provide pricing to replace six (6) rooftop units over the course of two weekend shutdowns (6: pm friday night to 6: am monday morning). C. Contractor shall be allowed access to adjacent parking lot for crane set-up to remove three existing rooftop air handler and replace with two (2) new rooftop air handlers and disconnect, replace and re-connect existing chilled water piping, heating hot water piping, supply and return ductwork drops to roof level and electrical conduit and wiring per shut-down (3 shut-downs total) d. Controls contractor shall provide new chilled water and heating hot water three-way control valves to the mechanical contractor to allow for pre-fabrication of the piping runs prio