makes installation of broadband infrastructure infeasible; or
(B) The cost of installing the infrastructure would result in a fundamental alteration in the nature of its program or activity or in an undue financial burden.
(vi) Carbon monoxide and smoke detection —(A) Carbon monoxide detection. A carbon monoxide alarm must be installed in the housing unit in a manner that meets or exceeds the carbon monoxide detection standards set by HUD through Federal Register publication.
(B) Smoke detection. ( 1 ) A hardwired smoke alarm must be installed:
( i ) On each level of each housing unit;
( ii ) In or near each sleeping area in each housing unit;
( iii ) In the basement of each housing unit and in each common area of a project. A hardwired smoke alarm is not required in crawl spaces or unfinished attics of housing units;
( iv ) Within 21 feet of any door to a sleeping area measured along a path of travel; and
( v ) Where a smoke alarm installed outside a sleeping area is separated from an adjacent living area by a door, a smoke alarm must also be installed on the living area side of the door.
( 2 ) Each hardwired smoke alarm must have an alarm system designed for hearing-impaired persons.
( 3 ) The Secretary may establish additional standards through Federal Register publication.
( 4 ) Following the relevant specifications of the International Code Council (ICC) or the National Fire Protection Association Standard (NFPA) 72 satisfies the requirements of this paragraph (a)(3)(vi)(B).
(vii) Green building standards. If a participating jurisdiction exceeds the maximum per-unit subsidy limit pursuant to § 92.250(c), then upon completion, the housing must meet one of the green building standards established by HUD through Federal Register publication.
(b) Rehabilitation