The Hirwaun Generating Station Order 2015

Control of noise during operational phase

15.—(1) Following the date of final commissioning of numbered work 2, site-attributable noise attributable to numbered work 2 during the operational phase must be limited at all times of day to the noise levels set out below in Table 3 measured at the coordinates set out below in Table 3—

Table 3

Noise Limit Sound Pressure Level, LAeq, 5mins dB	Coordinates
	X	Y
52	293820.1	206257.2
52	293738.8	206173.6
53	293622.9	206319
54	293741.2	206353.3

(2) Noise measurements at each of the identified locations must be undertaken in accordance with BS 7445. Measurements should be undertaken with the power plant running at base load. A single LAeq 5min measurement will be required at each identified location during the day, evening and night time periods identified as follows — daytime (0700hrs to 1900hrs), evening (1900hrs to 2300hrs) and night time (2300hrs to 0700hrs).

(3) Records of the noise measurements referred to in paragraph (2) at each location referred to in paragraph (1) must be retained by the undertaker for twelve months and provided to the relevant planning authority or any other person within three working days of a request (although the undertaker is not be required to respond to more than one request per person per month).

(4) Any complaint made to the undertaker in relation to a breach of paragraph (1) must be—

(a) acknowledged by the undertaker within three working days of the date of the complaint;

(b) investigated within seven working days of the date of the acknowledgement referred to in sub-paragraph (a); and

(c) a response provided within seven working days of the date of completion of period for the investigation referred to in sub-paragraph (b).

(5) Any subsequent complaint by person from whom the undertaker has previously investigated a complaint under paragraph (4) must be referred by the undertaker to the relevant planning authority (although only one complaint per person per month must be referred).