2. Aluminum siding—installed in a uniform manner on all exposed sides of the building (see Resurfacing).
3. Bathroom modernization—complete renovation including new sinks, toilets, bathtubs and/or showers and all required trims in every housing accommodation; or any individual component or fixture if done building wide.
4. Boiler and/or burner—new unit(s) including electrical work and additional components needed for the installation.
5. Boiler room—new room where none existed before; or enlargement of existing one to accommodate new boiler.
6. Catwalk—complete replacement.
7. Chimney—complete replacement, or new one where none existed before, including additional components needed for the installation.
8. Courtyard, driveways and walkways—resurfacing of entire original area within the property lines of the premises.
9. Doors—new lobby front entrance and/or vestibule doors; or entrance to every housing accommodation, or fireproof doors for public hallways, basement, boiler room and roof bulkhead.
10. Elevator upgrading—including new controllers and selectors; or new electronic dispatch overlay system; or new elevator where none existed before, including additional components needed for the installation.
11. Fire escapes—complete new replacement including new landings.
12. Gas heating units—new individual units with connecting pipes to every housing accommodation.
13. Hot water heater—new unit for central heating system.
14. Incinerator upgrading—including a new scrubber.
15. Intercom system—new replacement; or one where one existed before, with automatic door locks and push-button speakerboxes and/or telephone communication, including security locks on all entrances to the building.