Westconnex Test Blasts in Reserve Street Annandale, 27 July 2020
|Temporary Monitoring Equipment Reserve Street Annandale|
M4-M5 Link Tunnels: Work notification | 20 July 2020
Controlled trial blast - Reserve Street, Annandale
"Due to a section of hard sandstone underneath Annandale, the M4-M5 Link Tunnels team is trialling a number of different tunnelling methodologies to complete this work safely and efficiently. The Project is exploring the viability of using controlled blasting as an excavation method. Controlled blasting is a common tunnel excavation method that has been safely used on other Sydney tunnel projects and may reduce the overall noise and vibration impacts when compared to other excavation methodologies"....https://www.westconnex.com.au/media/l32chdyn/200714_mt209-trial-blast-in-annandale_approved_alternate-map_approved.pdf
M4-M5 Link Tunnels
Controlled Blasting Factsheet | 2020
What is controlled blasting?
Controlled blasting is a tunnelling method commonly used to excavate hard rock using small charges to break up the rock. It involves pre-drilling a series of small diameter holes in the rock face, loading the holes with small charges and detonating them to break the rock into removable pieces"... https://www.westconnex.com.au/media/d4vjdfei/ll_wx-blasting-fact-sheet_d5_web-copy.pdf
WestConnex info line
1800 660 248
or visit westconnex.com.au/ roads-projects/m4-m5-link- tunnels/ for more information.
13 July 2020 Version 01 UNCONTROLLED WHEN PRINTED trial-bmp-rev01-1.pdf downloaded 24 July 2020 from Document Library westconnex.com.au
16 July 2020 trial-bms-rev02-rd-1.pdf downloaded 24 July 2020 from Document Library westconnex.com.au
|Westconnex Monitoring Equipment Reserve Street|