viii UK Focus - Health & Safety Inspection Camera Adapted for Anaerobic Digestion Tank
When a local utility company needed to conduct a routine surveillance check on one of its anaerobic sludge digesters, the specialist company Hayes GFS contacted Ashtead Technology in its search for an intrinsically safe-rated inspection camera. Following discussions with Ashtead Technology’s engineers a suitably certified push-rod camera was deployed from a customised access point that enabled the Hayes’ staff to produce comprehensive images and videos showing the condition of the digester’s roof and walls.
Anaerobic digestion (AD) is becoming increasingly popular in the UK because it diverts biodegradable wastes from landfill, reduces emissions of greenhouse gases and generates biogas, which can be used as an energy source. This has resulted in a significant growth in business for Hayes GFS Ltd, a specialist provider of Glass- Fused-to-Steel Tanks and ancillary items.
GFS is a unique tank finish that has been used widely in the agriculture and water industries for decades. The two materials are fused together to achieve the best properties of both – the strength of flexibility of steel combined with the corrosion resistance of glass. GFS is therefore ideal for aggressive environments such as those inside anaerobic digesters with high temperature, high humidity, methane and hydrogen sulphide. However, this also presents a significant challenge for internal inspection.
Most of Ashtead Technology’s push-rod cameras and remote-control crawlers are employed for the inspection of drains, culverts and pipes. However, these environments can also be potentially explosive due to the accumulation of methane, so Ashtead also stocks intrinsically safe instruments and a Pearpoint P374 camera system in conjunction with a digital video recorder, was recommended for the AD application.
Commenting on the success of the project, Hayes GFS Managing Director Stephen Skinner said: “The camera which Ashtead Technology recommended proved to be ideal for this job. We built a customised ‘launch tube’ on one of the purge points on the roof and attached nylon to the camera tip so that we could video every surface once the probe was lowered into the ‘live’ digester.
“We were delighted with the results of the survey because we were able to demonstrate the condition of the tank very effectively, without having to decommission the digester. “We were very impressed with Ashtead Technology because they ensured that we utilised exactly the right kit, and it was delivered and collected very quickly, which helped to keep our costs to a minimum.”
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Passive Sampler Badges
SKC have recently offered complete sampling flexibility with their 575 Series, Passive Sampler Badges. Validated for short-term, 8-hour and 24-hour sampling, the SKC manufactured samplers are proven performers in the laboratory and field.
The Sampler Badges monitor short-term tasks
for worker exposure to ppm level organic vapours. They can sample over an 8-hour work shift for TWA measurements of ppm level organic vapours. The 575 Series Passive Samplers provide easy, accurate and reliable indoor air monitoring for 24 hours with SKC validating the sampling rate and other critical parameters of 575 Series samplers for 24- hour indoor air monitoring.
The SKC 575 Series samplers can detect specific VOCs at lower ppb levels in indoor air. Those compounds validated for 24-hour sampling include acetone, hexane, benzene, toluene and p-xylene.
Extensively tested and results documented for data that will stand up in court.
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For More Info, email: ATEX Approved VOC Monitoring System
Multisensor Systems Ltd (UK) have announced the successful deployment of the MS1100-ATEX VOC and Hydrocarbon Monitor System, designed for ATEX Zone 2 environments.
MS1100-ATEX is an event monitor, providing alarms at user set levels to provide protection from the build-up of harmful or explosive substances in the atmosphere or in water. Alarms can be used locally to drive either visual or audible devices and continuous monitoring can be implemented via a 4 – 20mA loop output.
The new product, a derivative of the successful MS1100-SYS, conforms to the requirements of Ex II 3 G Ex nA IIC T6 Gc and Ex II 3 D Ex tc IIIC T85oC Dc IP65.
The instrument is housed in an ATEX Zone 2 compliant stainless steel enclosure and uses advanced gas sensing technology and signal processing in detecting gases or volatiles in a sample tank, drain or from the environment.
The MS1100-ATEX is sensitive to low parts per billion (ppb) concentrations and its wide dynamic range allows it to be used in a wide variety of applications.
Unlike other methods of measuring VOCs the Multisensor range of systems do not require laboratory facilities nor do they employ any chemicals in implementation. This reduces running costs, servicing requirements and operator input, saving both time and money.
Requiring less than 25W in normal operation the system uses a single phase 90 – 240V AC or 24V DC power supply.
Multisensor Systems Ltd is a privately funded developer and supplier of highly sensitive instruments for the detection of environmentally harmful contaminants in water and air. Using a variety of different sensor types the company designs signal processing and interfacing hardware and software, to provide cost effective solutions to monitor and protect a variety of clean and waste water installations, conduct air monitoring and detect harmful organic chemicals.
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26087pr@reply-direct.com Casella Team Tops Three Peaks for Cancer Research
When Gary Noakes lost his battle against cancer in 2012, aged just 51, his friends and work colleagues at Bedford-based Casella - global specialist in occupational health and environmental risk management solutions - were determined that his death would not be in vain.
Choosing Cancer Research as its charity partner seemed like a good place to start and a programme of fundraising activities was soon put together, but the likes of coffee mornings weren’t on the agenda for this hardy group. Instead they chose to embark on the Yorkshire Three Peaks Challenge last month, a 24-mile walk across the highest peaks in the Dales.
Comments Ben Henson, Casella’s General Manager: “The team lost a dear colleague last year and wanted to do something positive in his memory. Unfortunately, the chances are we have all known someone who has suffered at the hands of cancer and this is our chance to fight back.”
Starting their trek together at just after 6am on 22nd June, the intrepid Casella group numbering 19 strong headed towards Pen- Y-Ghent, an ascent of 694 metres, reaching the summit at different times after a slippery climb that was almost vertical in places.
Having listened to the GPS and inadvertently taking a boggy route rather than a drier option, combined with the advent of a heavy rainstorm en route, some of the participants found the next eight miles or so rather challenging. As a result, two of the drenched and very tired team decided to call it a day.
However, the hardiest among them soldiered on, fortified by tea and bacon and egg baps, to hike up the second peak, Whernside.
Having successfully negotiated the steep, treacherous descent, the exertion caused more of the Casella fundraisers to decide against continuing, their aches, pains and injuries telling them to call it a day.
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Cold, wet, tired and hungry, the remainder of the group continued onwards and upwards to complete Ingleborough, the third peak, with 13 of them achieving the entire challenge, their finishing times varying from 10 hours 14 minutes to 14 hours.
Commenting on the experience, Neal Hill, Product Marketing Manager at Casella said: “This was very much a personal challenge for each of us and it struck me that it was also a metaphor for the very cause that we were walking for. Some fell by the wayside early on but the majority made it. I’m sure Gary would have been immensely proud of us all.”
Casella has raised an impressive £3484.65 so far. To contribute to Casella’s fundraising efforts in aid of Cancer Research, please visit:
http://j.mp/13ShjII.
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Svan-tastic
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