Table 1 – Alternatives That Eliminate Impacts Estimated for the Proposed Rule Proposed Rule Visible alarms required in all employee work areas, including individual offices. Estimated cost: $16 million annually. Final Rule Visible alarms required in public and common use areas, which is consistent with existing guidelines. Where employee work areas have audible alarm coverage, wiring system required to be designed so that visible alarms can be added to the system as needed. Proposed Rule Communication features required in 50 percent of hotel guest rooms. Estimated cost: $31 million annually. Final Rule Existing guidelines retained, which require substantially less than 50 percent of hotel guest rooms to provide communication features. Proposed Rule Elevators and platform lifts required to be provided in sufficient number, capacity, and speed so that persons using wheelchair spaces and designated aisle seats have equivalent level of service as persons in the same seating area who can use stairs. Estimated cost: $1.5 million annually. Final Rule Existing guidelines retained, which require at least one accessible route to connect each story and mezzanine in multi-story facilities. Proposed Rule Wheelchair spaces and designated aisle seats required to be dispersed vertically on each accessible level. Estimated cost: $33.5 million annually. Final Rule   Proposed Rule Companion seats required to be readily removable and to provide additional wheelchair spaces. Estimated cost: $4 million annually. Final Rule   Companion seats permitted to be removable, but not required to provide additional wheelchair spaces.   Proposed Rule One percent of seats required to be designated aisle seats; 25 percent of designated aisle seats required to be on an accessible route; and rest of designated aisle seats required to be not more than two rows from an accessible route. Estimated cost: $1.5 million annually. Final Rule Five percent of aisle seats required to be designated aisle seats and to be aisle seats closest to accessible routes.