Managing vibration and airblast issues
Managing vibration and airblast issues. pcm_admin 02/01/2009, 12:00 am 19/03/2020. ... If a quarry is assessed on vibration levels at two properties and it can be established that the properties are regularly unoccupied(eg every day between 2:30pm and 3:30pm), a higher, frequency-based limit could be applied if blasting occurs in that time ...