RHAN 2Diwygio’r Rheoliadau Adeiladu
Diwygio rheoliad 42 o’r Rheoliadau AdeiladuI113
Yn rheoliad 42 (profion cyfradd llif awyr awyru mecanyddol)—
a
yn lle paragraff (1) rhodder—
1
This regulation applies where paragraph F1(1) of Schedule 1 imposes a requirement in relation to—
a
the creation of a new dwelling by building work; or
b
an existing dwelling which undergoes building work for the provision or extension of any fixed building system for mechanical ventilation.
1A
Paragraph (1)(b) excludes building work to which Schedule 4 applies.
b
ym mharagraff (2)(b), yn lle “.” rhodder “, other than when Schedules 3 or 4 apply.”