Technical Memorandum on Noise from Percussive Piling | Environmental Protection Department

Table 1	Acceptable Noise Levels (ANLs)

Table 2	Sound Power Levels for percussive Piling

Table 3	Summation of noise Levels

Table 4	Correction Factors to Obtain the Predicted Noise Level (PNL) from Sound Power Level at Given Distances

Table 5A	Permitted Hours of Operation for the Carrying Out of Piling Work Not Involving the Use of Diesel, Pneumatic and/or Steam Hammers

Table 5B	Permitted Hours of Operation for the Carrying Out of Piling Work Involving the Use of Diesel, Pneumatic and/or Steam Hammers