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​

CEMEX Quarry responds positively to residents' concerns...

26/9/2019

3 Comments

 
Picture

We received a number of complaints during the summer from residents worried about the possible impact on their homes of blasting at the CEMEX Quarry near Taffs Well.

Here's a flavour of the comments we received:


Very loud explosion and house shook like a small earthquake. Worst I have heard / felt in 14 years.

Whilst the blasts in the Morganstown area are seeming to get worse, this Tuesday was particularly bad. My house has never shook this much and windows slammed shut. Quite a few residents say this. Tuesday blast was much more powerful than before.

We discussed these comments with Graham Warrington, the Quarry's site manager. 

He explained that:


The blast on Tuesday, August 20th was on the west face of the quarry and not the southern face; the southern face is the face closest to Morganstown. The weather that day was overcast and such conditions do affect the perception of a blast. Nevertheless, it was a relatively small blast and gave a low vibration reading.

For future blasts on the southern face the intention is to monitor in the vicinity of the properties where residents have expressed concern. Quarry blasting is a very sophisticated process and the way this operation is designed, prepared and executed is highly technical and subject to an array of regulatory, safety and operational criteria. The levels of vibration permitted are extremely low and far beneath any that would cause structural damage to a property. However, perception, which can be influenced by a number of factors including the prevailing weather conditions, can sometimes be misleading. In order to provide a clearer understanding of how this highly regulated operation is managed and monitored, the company can arrange for a session with either its own staff or a blasting contractor in order to explain the process, answer questions and gain feedback. Such a session could be organised at a forthcoming liaison meeting in order to allay any concerns residents may have.


It is good to see the quarry responding to the community's concerns - and it is reassuring to learn that the company works hard to keep vibration to a minimum. Indeed, we haven't received any further complaints since August.

In the meantime, please contact us (or the quarry) if you would like to attend the educational session kindly offered by CEMEX.


3 Comments
Cllr Kieran Webster link
27/9/2019 05:58:19 pm

Hi Huw, thank you for this liaison. I have lived in Morganstown for 15 years. Up until 3-4 years ago, we regularly, ie. weekly, experienced the perception of vibrations in the building. This stopped when the Quarry moved on to other zones for blasting. However, as others have noted it did return, recently; presumably, with a change of blast direction. If I am reading the 'corporate-speak' properly, then what we are experiencing is not, primarily, the ground vibrating, as in an earthquake. It is vibrations in the air, as in a sonic boom, that is giving the perception of the building walls shaking? I think the offer of an educational visit if really great and I would definitely like to take Cemex up on that offer. Cheers! Kieran

Reply
Huw Jones
1/10/2019 05:42:56 pm

Thank you, Kieran! Would you be able to assemble a group of Morganstown residents wishing to visit the quarry?

Reply
Jenny
21/10/2019 06:22:57 pm

Well living in the village just over 60 years we have felt some substantial window rattles door slams and under foot vibrations but even in the last week or so the sensations are still the same
So what affect does this have on building foundations after such a long sustained period Surely it must have some impact in such a close area as heol syr Lewis

Reply



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  • Home
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