Make safe-. For (install one joist ten(10) feet in from rear curtain wall and replace floor decking for this section of floor to be cut out for replacing fire damaged joist at first floor area over garage) to resolve case #576250. Abutting sidewalk must be closed with fencing a minimum of 6 in height. Separate streets department permit required for sidewalk closure. A separate permit is required for any additional alterations that are not specifically addressed on case #576250.