Technical Memorandum on Noise from Construction Work Other Than Percussive Piling

Table 1 - Area Sensitivity Ratings (ASRs)
  Degree to which NSR is affected by IF
Type of Area Containing NSR Not Affected Indirectly Affected Directly Affected
(i)

Rural area, including country parks or village type developments

A

B

B

(ii)

Low density residential area consisting of low-rise or isolated high-rise developments

A

B

C

(iii)

Urban area

B

C

C

(iv)

Area other than those above

B

B

C

For the purpose of Table 1, the following definitions shall apply:

"country park" means an area that is designated as a country park pursuant to section 14 of the Country Parks Ordinance;
"directly affected" means that the NSR is at such a location that noise generated by the IF is readily noticeable at the NSR and is a dominant feature of the noise climate of the NSR;
"indirectly affected" means that the NSR is at such a location that noise generated by the IF, whilst noticeable at the NSR, is not a dominant feature of the noise climate of the NSR;
"not affected" means that the NSR is at such a location that noise generated by the IF is not noticeable at the NSR; and
"urban area" means an area of high density, diverse development including a mixture of such elements as industrial activities, major trade or commercial activities and residential premises.
   
   
   
   
   

 

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