Paragraph 28 Control of noise during operational phase

(1)

The rating level for the standard operational noise of Work No. 16(a) must not exceed 35 dB L_{Ar,15 min}at any time at a position representative of the façade, in free-field conditions, of any building lawfully occupied for residential or accommodation purposes at the date of the granting of this Order, at each of the following locations—

(a)

Woad Farm, Surfleet Bank, Surfleet, Spalding, PE11 4DP (OS: 527809, 330462);

(b)

Big Tree Farm, Marsh Drove, Surfleet Marsh, Spalding, PE11 4DW (OS: 528672, 330701);

(c)

Hills Farm, Gosberton Bank, Spalding, Gosberton, PE11 4PB (OS: 527338, 331388);

(d)

172 Marsh Road, Sutterton, Boston, PE20 2LT (OS: 528468,332471).

(2)

The rating level set out in sub-paragraph (1) are to be measured—

(a)

in accordance with British Standard BS 4142:2014+A1:2019, Methods for rating and assessing industrial and commercial sound; and

(b)

with the microphone placed 1.5 metres above the ground in free-field conditions (being at least 3.5 metres from the nearest vertical reflecting surface).

(3)

Work No. 16(a) must not commence operation until a scheme for monitoring compliance with the rating levels set out in sub-paragraph (1) above has been submitted to and approved by Lincolnshire County Council in consultation with the relevant planning authority. The scheme must identify—

(a)

the required meteorological and other conditions under which the measurements will be taken, acknowledging that data obtained during emergency operation or testing of certain plant and equipment is not to be taken into account;

(b)

suitable monitoring locations (or alternative surrogate locations if appropriate); and

(c)

times when the monitoring is to take place,

to demonstrate that the rating levels have been achieved after Work No. 16(a) is operating at full capacity.

(4)

The monitoring scheme must be implemented as approved.

(5)

For the purposes of this requirement—

“operating at full capacity” means the ordinary operation of the substations excluding emergency operation and the testing of plant and equipment associated with emergency operation.