Make safe-for (repair 25% of rear portion of roof; replace (13)thirteen rafters roof joists, resheath and re-roof entire roof, repair rear bulging and cracked curtain wall; remove sections deteriorated and replace with like kind. As per engineers report if applicable) to resolve case #490960. 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 #490960.