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Noise from the generator working
the crane was causing problems for the operative
both in terms of noise and vibrations, meaning
that he could not hear the instructions
to lift the boat from the water as he stood
directly on top of the engine housing.
Noisekiller lined the sides
of the generator engine housing with Lead
Sandwich and used foil faced acoustic mats
for the roof of the housing.
The use of these materials
helped to absorb the sound of the engine,
and reduce vibrations above the housing
where the operative worked. This resulted
in a better working environment for the
operative and a reduced noise level from
the engine, allowing the operative to hear
the verbal instructions clearly.
Noisekiller were called in
by DLA Holdings of Leeds who had installed
a large computer server in the main office
which was causing noise to the annoyance
of the staff.
Noisekiller used a combination
of profiled acoustic foam (egg box) to absorb
the airborne noises within the server, and
Barrier Mat to reduce the vibration caused
by the metal framework of the casing.
The use of these materials
provided a quieter working environment for
all members of staff working in the office.
Noisekiller were asked to
help Quick Fit Scaffold Towers of Shipley
to investigate the noise produced by machines
used to cut tubular steel to length. As
the machines were in close proximity to
other operatives the noise in the general
working area was unacceptable to the management.
The first part of the project
meant reducing the noise of the machine
and its metal casing as close to the source
of the noise as possible to reduce the decibel
level released into the atmosphere. This
was achieved by using a combination of Noisekiller
Lead Sandwich acoustic sheets, Noisekiller
Foil Faced acoustic sheets and Noisekiller
anti vibration Barrier Mat. Once each of
the machines had been sound proofed further
Noisekiller profiled acoustic foam was placed
around the walls of the room and close to
the machines to absorb the airborne sounds.
This solution meant that
Quick Fit reduced the decibel level to within
government health and safety guidelines.
A sewage plant contained a
pump that was causing excessive levels of
noise when used intermittently.
After examination of the project
it was felt that the best solution was to
reduce the noise as close as possible to
the pump by using a sound reduction blanket
of lead and acoustic foam with a fireproof
cover. The air outlet of the pump could
not be covered so it was also decided to
use Noisekiller profiled acoustic foam on
the walls close to the air outlet to absorb
the airborne sounds.
The result
achieved was to the satisfaction of the
client and kept the noise levels under the
government guidelines.
A plastic sheet producing
company had a machine that recycled sheeting
back into granules for further use. Although
housed inside a sound reduction booth the
machine was still producing decibel levels
above acceptable levels.
By using Noisekiller Acoustic
Lead Sandwich along with Noisekiller liquid
all around the casing, and also refitting
the seals of the sound booth doors and framework,
the levels were reduced both inside and
outside the sound booth.
The customer thus achieved
a reduction in noise that kept the overall
levels in the main room within government
guidelines.
A major frozen food company
whose products were transported by conveyor
around the factory had several points in
the process where food dropped onto a metal
guide. This caused a high level of noise
through vibration on impact.
Noisekiller Liquid was considered
the best solution to the problem, as traditional
sound proofing materials could not be used
in a food environment. The Noisekiller liquid
applied to the outside of the guide reduced
the impact noise.
The operatives and management
were pleased with the noise reduction and
Noisekiller have been involved in further
noise reduction projects involving the motors
driving machinery within the plant.
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