When: Wednesday, December 21, 2016 from 10 p.m. - 6 a.m.  Where: E, F, FX and JF Buildings Purpose: To install required backflow prevention devices. When: Thursday, December 22, 2016 from 10 p.m. - 6 a.m. (Please note this date is tentative and may not be required) Where: E, F, FX and JF Buildings   Purpose: To install required backflow prevention devices. When: Wednesday, January 4, 2017 from 10 p.m. - 6 a.m.  Where: J and H Buildings Purpose: To install required backflow prevention devices. When: Thursday, January 5, 2017 from 10 p.m. - 6 a.m.  Where: J and H Buildings Purpose: To install required backflow prevention devices. When: Friday, January 6, 2017 from 10 p.m. - 6 a.m. (Please note this date is tentative and may not be required) Where: J and H Buildings Purpose: To install required backflow prevention devices. For further information please contact Larry Rinaldo at 416.675.6622 x4454