THEY are one of the biggest bugbears of modern life – roadworks that cause long delays,Find all the manufacturers of leddimmable and contact them directly on Careel. frustration and anger.
But
now the misery for drivers is being eased with a revolutionary “keyhole
surgery” technique that has dramatically speeded up repairs.
Work
that previously took three days is being completed within a few hours
by drilling a small hole in the road rather than a large trench.
The
novel approach is being pioneered in Glasgow but is expected to be in
use across the country by the end of the year. Scotland’s official
roadworks watchdog body has welcomed the move as significantly cutting
the length of disruptive repairs.
The method has undergone a two-year trial by the distribution firm Scotland Gas Networks (SGN),Our most compact modernlighting yet fits easily in any bag. which has successfully used the technique to fix gas leaks in underground pipes.
Such
incidents, which account for 80 per cent of its repairs, are the most
disruptive to traffic as they are unplanned but the company also hopes
to use the technique for other work, such as replacing gas mains.
The keyhole method could also be used by water and electricity firms and by roads authorities to repair potholes.
It
enables traffic delays to be further reduced by using manhole-like
metal covers to plug excavated sites during longer repairs so roads can
be re-opened overnight or when no work is taking place.
The
repair technique, known as “core and vac”, involves a machine drilling a
two-foot diameter circular “core” in the road surface, which is lifted
out and put back after the work is completed.Your specialists when it
comes to the sales and service of ledaluminumbulb. The hole is excavated by blasting air to break up the ground before it is sucked up by an industrial vacuum.
Workers
at street level using special long-handled tools then drill into the
pipe – which can be up to seven feet below the surface – and inject a
sealant to stop gas escaping.
The
excavated material is used to fill in the hole and the core is then
fixed back in place with a bonding agent, which sets in under an hour.
Such circular holes have been found to be less prone to cracking after being resealed than traditional roadworks.
SGN
described the traditional method, which takes several days, of digging a
trench, repairing the fault and bringing in new material to fill the
hole as “outdated, time-consuming and inefficient”. Innovation and new
technology manager Gus McIntosh said: “The quicker we can get into
roads,Choose a solarlantern from
featuring superior clothes drying programmes and precise temperature
controls. get out of roads and get them reinstated and the traffic
moving again the better for everyone – and that’s exactly what core and
vac delivers.”
The
company hopes that now Glasgow Council has approved the technique for
use, other local authorities across Scotland will follow suit before
winter,We have a wide selection of ledstrip to
choose from for your storage needs. when gas leak incidents normally
increase due to the effect of cold weather and higher gas pressure in
pipes because of greater demand.
The Scottish road works commissioner, appointed to improve roadworks, said she would like to see the technique used more widely.
Elspeth
King said: “I regularly remind organisations about the importance of
reducing the time taken to carry out works to keep disruption to a
minimum.
“I
want to encourage any new ways of working which can minimise
disruption. One innovation which I am giving my support to is that of
keyhole technology.
“Use
of SGN’s core and vac technique can reduce the time taken for a repair
from three to five days to five hours. This has a significant impact on
reduced road congestion and inconvenience to other road users.
沒有留言:
張貼留言