We are looking for an enthusiastic Projects Co-ordinator to join the SIRIS family.
Are you well organised, great at self-management and able to manage multiple projects with conflicting priorities?
Do you have an appetite to learn about new equipment and technologies?
If the answer to the questions above is YES, then we want to hear from you!
Siris Environmental is a Washington-based company providing our industrial and water utility customers with the best possible effluent flow monitoring solutions.
We work with private organisations and water companies across the UK, ranging from small trade effluent customers to large-scale factories and water companies, and have built a reputation for providing high quality service, delivered by a passionate team.
Now has never been a more exciting time to join us. We are growing rapidly and have plenty of exciting opportunities for the right person to join our team. If you are energetic, hands-on, innovative, and professional, this is the environment for you.
What will you be doing?
You’ll be joining our services team, based in our Washington HQ workshop and with some travel to sites across the UK.
You will act as a bridge between our admin and field teams, assisting our service and MCERTS teams.
Your role will primarily be service work, overseeing jobs coming in and out of the workshop, managing our stock holdings and supporting our field-based team.
A background in wastewater isn’t essential as we will provide full training to the right person, however we are looking for the following:
Experience in a hands-on, technical role
Factory working experience
Working knowledge of Microsoft Excel
Family-run business feel with big business opportunities
The majority of businesses producing wastewater are required to carry out wastewater sampling to comply with their permit requirements.
Often this will be via self-monitoring, however companies may find themselves the subject of spot checks of their samples by the local water company to ascertain composition and volume of trade effluent produced. This supplied information is important as water companies use it to calculate final water treatment costs, using a method known as The Mogden Formula.
This is the standard businesses should refer to when implementing their effluent sampling processes as it details business requirements for the sampling and testing of trade effluent.
The most common analytes businesses are required to test by MCERTS are:
Physical properties analysed during wastewater testing include:
Temperature – Discharged consents are sometimes waived when the temperature drops below 4ºC so it’s important to conduct accurate temperature monitoring to avoid regulatory issues
pH – Monitoring acid/alkaline levels in water is important to ensure there is no impact on aquatic life. Even small changes to pH levels can have catastrophic results
Electrical conductivity (salinity) – Conductivity measures the ion capacity of liquids to carry electrical current. The reason we measure this is because higher conductivity generally means there is a higher ion concentration from dissolved salts
Turbidity – Turbidity refers to the clarity of the effluent. Although it is technically a measure of how cloudy the liquid is, often the particles are invisible to the naked eye which is why specialist equipment is required
Colour/odour – Hazen colour and odour checks can be an important verification tool to check against other physical properties
BOD & COD
Dissolved oxygen (DO) in water is essential to the survival of aquatic life.
In wastewater sampling, the BOD (biochemical oxygen demand) and COD (chemical oxygen demand) of effluent are measured to ensure water course DO levels will not be impacted by its discharge.
BOD measures the biological oxygen demand over a five-day period and equals the amount of dissolved oxygen required by organisms for aerobic decomposition of organic matter present in the water.
COD refers to the mass concentration of oxygen equivalent to a specified oxidant consumed by dissolved or suspended matter when a water sample is treated with that oxidant under defined conditions.
The level of solids in wastewater affect its quality and how it needs to be treated going forward.
Solids measurement differs from turbidity in that TSS measures the actual physical particles in the water (e.g. sediment) whereas turbidity measures the effect on light caused by particles. Solid measurement is split into:
TSS (total suspended solids)– measures the dry weight of particles suspended (undissolved) in the sample. A high level of TSS allows water to absorb more light, increasing water temperature and reducing dissolved oxygen (DO), which can have a negative impact on aquatic life
TDS (total dissolved solids) – effluent with a high level of TDS can contain high concentrations of salts, making it unsuitable for irrigation or industrial reuse
An excess of nutrients in water contributes to algae overgrowth.
Nutrient measurement is important as too much algae in water uses high amounts of nitrogen and phosphorus and results in the production of neurotoxins that are harmful to animals and may contaminate future drinking water.
Typically measured nutrients include:
Trade effluent from industrial processes is a primary source of heavy metal contamination.
Industries including textile, paper/pulp and metal finishing are all contributors, producing effluent that contains the “top four” toxic heavy metals arsenic (metalloid), cadmium, lead and mercury as well as chromium, nickel and zinc which are also toxic to humans and animals.
What is wastewater analysis?
The above list is not exhaustive, but contains some of the common analytes permit holders are required to be measured on. It may seem like an overwhelming task, but a good automatic wastewater sampler and associated monitors provide an accurate and user-friendly solution.
SIRIS offer a comprehensive range of MCERTS-approved wastewater samplers and analytical measurement tools designed to simplify the wastewater analysis process.
This rather complex-looking equation represents the key tool in calculating trade effluent charges. Termed The Mogden Formula after first being adopted at the Mogden Water Works in London, it incorporates a number of variables such as contaminant and suspended solids levels that are used to calculate the final treatment cost per m3 of the effluent.
The formula can be broken down as follows:
R = the charge from the water treatment works for receiving and conveying the effluent (in £/m3)
V = the charge from the water treatment works for the primary treatment* of the effluent *removal ofmaterial that will either float or readily settle out by gravity
Bv = the charge from the water treatment works for any biological* treatment (in £/m3) *breakdown/decomposition of organic contaminants from the wastewater
M = the charge from the water treatment works for the treatment and disposal of any effluent that must go out to sea (in £/m3)
B = the charge from the water treatment works for the biological oxidation* of any settled sewage (in £/m3) *B-stage, or bio-oxidation stage, where remaining organic material in low-loaded activated sludge is biodegraded
Ot = the chemical oxygen demand (COD) of effluent after one hour of quiescent settlement at pH 7 [mg/litre]
Os = the chemical oxygen demand (COD) of effluent after one hour of quiescent settlement [mg/litre]
S = the charge from the water treatment works for the treatment and disposal of the primary sewage sludge (in £/kg)
St = the total of suspended solids of effluent at pH7 (in mg/litre)
Ss = the total of suspended solids of effluent (in mg/litre)
The more contaminants and suspended solids in the wastewater or effluent, the more expensive it will be to treat and dispose of. This is known as The Trade Effluent Charge and is charged by the local water company to cover costs associated with the transportation, treatment and disposal of the effluent.
Many companies use water as part of their processing, such as produce cleaning or cooling, and understanding your Mogden formula can help identify areas to reduce wastewater processing charges. Essentially there are two ways to do this:
– Reduce the levels of contaminants/solids within the effluent
– Reduce the volume of effluent
Water companies will issue licences of “Consent to discharge trade effluent” to those companies producing effluent for public disposal, which will outline specific conditions and charges for your licence. The consent licence will stipulate how the wastewater must be monitored (or measured). Sometimes this will be through self-monitoring but the water company may also routinely monitor flow and composition of the effluent to ensure compliance and estimate charges. Water companies may vary in their application of the Mogden formula, but this information will be publicly displayed on their website, in line with the OFWAT regulator.
Having an accurate and reliable picture of your effluent data is therefore key in ensuring the correct charges are being paid, as well as understanding where costs are coming from within the variables. This is done via two primary methods – wastewater sampling and wastewater flow measurement.
THE MOGDEN FORMULA IN PRACTICE
Role of Effluent Sampling
An accurate base for calculations
Effluent sampling ensures the accurate measurement of those variables used within the Mogden formula. Without them, calculations may be based on estimates, which could be bringing unnecessary additional charges to the business.
Investing in an approved, on-site wastewater sampling system gives more comprehensive and ongoing accurate data that can be used to monitor the quality of the wastewater discharge on a continual basis, using composite samples to provide data to the EA and local water authorities that can reduce charge liabilities and business costs.
At SIRIS we offer a range of MCERTS-accredited wastewater samplers that suit both open channel and closed pipe applications, providing robust and long-lasting sampling solutions for a range of industrial and commercial businesses. We offer automatic, composite, refrigerated sampling, which ensures regular samples of your effluent at key times e.g. high loads/low loads. Factors such as this are important and carefully considered in the design and specification of your effluent monitoring system by the SIRIS team. For example, water company spot samples may focus on times of high contaminant concentration, giving an inaccurate picture of the average effluent strength level and causing unnecessary charges. The refrigerated element of our samplers ensures that samples do not degrade.,
ACCURATE VOLUME OF FLOW
Role of Flow Measurement
Ensure a true picture of volume of effluent
Measurement of volume of flow is another critical data point in which to ensure accuracy. Again, on-the-spot water company measurements can give biased flow volumes, for example if these were taken only during high production points on the plant.
Our solutions ensure an accurate picture of flow volume over time. Depending on the specific business type and requirements, effluent flow may be measured on either an instantaneous or continuous basis, each of which requires careful specification of equipment. At SIRIS, our experienced approach to effluent flow measurement allows us to specify and develop robust and reliable measurement systems.
SIRIS proud to be supply chain partner of award-winning Wolsingham Sewage Treatment Works Growth Improvement Project
The whole projects team at SIRIS is proud to have been a recognised supply chain partner in the award-winning Wolsingham Sewage Treatment Works (STW) Growth Improvement Project. Completed in 2021 during the height of the pandemic, the £6m project has been awarded Civils Project of the Year in the Constructing Excellence in the North East Awards.
Led by Tilbury Douglas (contractor) and Wood (designer) for client Northumbrian Water, the project was recognised for its use of new technology, implementation of off-site, sustainable construction methods and best-in-class collaboration between all project stakeholders
An upgrade to tackle increased flows and asset deterioration
The Sewage Treatment Works was in need of an upgrade as demand on the site had increased in line with population growth in the area, estimated at some 19%. The upgrade project had to identify solutions to the issues caused by increased flows and loads identified at the site and the related impacts on associated sewerage networks. In addition to this, further work to tackle asset deterioration and ongoing pollution incidents due to sewer overflow was to be incorporated into the project.
The design phase of the project, started in 2018, took an innovative “Off-site by Default” and DfMA (Design for Manufacture and Assembly) approach to build technology, an ethos that was mirrored throughout all phases of the project with the ongoing support of client Northumbrian Water. The Sewage Treatment Works was consequently able to be built using off-site build methodology, a ground-breaking approach within the water industry.
This method brought tangible and sizeable benefits to the project in terms of reduced costs, timelines and environmental impact; with some £1m pounds, 4 months and 34 man hours estimated to have been removed from the project initial budgets and timescales.
Northumbrian Water now plans to adopt the new off-site build approach within their AMP7 framework, a real testament to the success of the project and the collaboration of partners and supply chain throughout.
Add Your Heading Text Here
SIRIS FLOW INLET FLUME & WEIR INSTALLATION
Off-site Build Concepts
Working under the brief of design partners, Wood, SIRIS was able to develop off-site build concepts for the inlet of the works, using a prefabricated, above-ground approach. The inlet-flume design was built offsite within the SIRIS on-site factory, using non-standard GRP-reinforced, welded PVE construction materials to give the increased accuracy and sensitive tolerances expected for MCERTS certification. The materials also benefited from a service life of up to 50 years.
Transported in two sections, the inlet flume was installed readily into the SWT without problem, showing the potential for future off-site build methods for installations of this type.
“The off-site construction nature of this project represented a new approach in the water industry. With our on-site factory and engineering team, we were able to quickly integrate into the adopted working methods by providing a fully constructed inlet flume and weir system, then transported to and installed on the works site directly. Our team collaborated fearlessly with the project team to achieve all requirements and we are proud to have been involved in such an innovative development.”
Here at SIRIS we are able to work with our clients flexibly and in line with individual project requirements.
Working with varying client types, including water companies and trade customers, we design, construct and install reliable and accurate flow measurement and sampling installations for use with trade effluent and wastewater.
Preparing for your MCERTS inspection might seem daunting – even if you’re used to the process. In this guide, we’ll be explaining the steps you need to take to get your site ready for a successful MCERTS inspection.
What are the steps to obtaining MCERTS compliance?
The first step to achieving MCERTS compliance is obtaining a consent to discharge permit. This is a legal requirement for most businesses discharging trade effluent to a public waterway or sewage system – although there are some exceptions.
You can learn more about obtaining a consent to discharge permit here.
There are then three stages to getting certified:
1. Inspection: A certified MCERTS inspector will visit your site to inspect your flow measurement system. Provided the installation meets the standards, the inspector will issue a conformance report.
2. Audit: An independant auditor will inspect your QMS (Quality Management System) to make sure it meets performance requirements. If it does, you will be issued with a conformance report.
3. Certification: Provided you have passed the inspection and audit, you will be issued with an MCERTS certificate. Certification is valid for five years after which the installation is re-inspected. The QMS is subject to periodic surveillance audits during the five-year period.
You can view the status of your MCERTS certification through the CSA Group’s Certificate Database, which shows whether a certificate is still current or has been withdrawn or suspended.
Getting ready for your MCERTS inspection
The following steps are our recommendations for preparing for your MCERTS inspection. Whether it’s your first inspection or a re-inspection, it’s a good idea to go through these steps to give your site the best chance of a positive outcome.
1.Familiarise yourself with the latest MCERTS compliance guidance. It’s a good idea to get up-to-date with the Environment Agency’s latest MCERTS performance standards and conduct an internal audit to highlight any areas of concern ahead of the inspection.
2. Make sure the inspector will be able to access the site. Please ensure any necessary paperwork to allow our team access has been completed ahead our visit and let us know about any training or ID requirements, as well as any site-specific risks.
3. Ensure there will be a qualified team member on site. It’s a good idea to make sure that whoever is on site to welcome the inspector has a good working knowledge of the system and is able to answer any questions.
4. Get your paperwork ready. The inspector will need to see a copy of your Consent to Discharge and/or permit, along with maintenance and calibration records.
5. Collate any representative flow data you have to hand, or make Cloud data available to the inspector. The inspector will typically need to see a 15 minute spot average and daily volumes. This will help them understand the site’s discharge pattern and any variations in flow rate and will be useful if there are unusual flow levels on the day of inspection.
6. Check your maintenance programme. Poorly maintained equipment can cause flow meters to give incorrect readings. Your flow system should be in good condition and well maintained and we will need to check maintenance records to asses how effective your maintenance programme is.
7. Make sure the flow meter display unit is accessible. The inspector will need to see the make/model, connect a laptop to download the data, and possibly interrogate settings to ensure correct set-up.
8. Check the location of the flow meter. Our inspector will need to carry out detailed checks, a flow test. Please make us aware in plenty of time if there are any specialist requirements such as confined space entry. Remember, we may need to access the flow channel and/or isolate the flow.
You can download a printable copy of these steps here.
How Cloud data can help
Our remote data monitoring system makes it much simpler to prepare for your MCERTS inspection. Using our specialist specialist remote telemetry unit and data visualisation software, our inspectors can quickly access real-time data from your monitoring system. With 24/7 remote access to your data, investing in a data monitoring component for your flow measurement system saves time and money. What’s more, you can focus on getting ready for inspection without panicking about paperwork!
We’d like to introduce you to the experts who make up our team here at SIRIS. This month we’re talking to Trainee Servicing & Installation Engineer, Jordan Marley.
What is your background and how did you start working at SIRIS?
I left school with better grades than I was expecting and as a result was able to do an electrical engineering course at Sunderland College. Towards the end of the year I had already gained two of the three available qualifications and to get the third I needed to do a week of work experience with an engineering company. Most companies looked the same but one that stood out was SIRIS so I asked my tutor to contact them and see if they’d be willing to offer me a placement which they did! I spent my week learning the ins and outs of what SIRIS do and even got to go on my first ever site visit. The end of the week came, and I’d thoroughly enjoyed my time with the company, so you can imagine how pleased I was a few weeks later when I received a call from Nick offering me a job!
My first day was 17/07/17 and almost four years later, I’m still here, still learning and of course still enjoying my work.
What does a typical day look like at SIRIS for you?
No two days are ever the same. One day I could be in the workshop building, assembling and programming a flow system to be delivered to a site, and the next I could be on the road travelling to sites all over the country calibrating, servicing and verifying equipment that we have provided them with. I really like the variety and it keeps work enjoyable and interesting.
What do you enjoy most about your job?
I love to solve problems! There’s nothing better than visiting a site where a customer is having issues and finding a solution for them, it gives me a huge sense of pride when I’m able to help others out (and of course relief).
What’s a favourite project you’ve worked on recently?
I recently carried out an electromagnetic flow meter installation with fellow engineer Lee Smith for a water company. It was a really challenging job as we had to remove the old broken flow meter and then refit the one into an extremely deep and, as you can imagine, not very spacious, confined space. It was tough and it took us all day to do, so it was really satisfying to see when the flow reading showed up on the transmitter. A challenging, but great day’s work.
What do you get up to outside of SIRIS?
I’m an avid Sunderland supporter and have been a season card holder for more than 10 years now (someone’s got to do it!)
I’ve only been to one game in the last year and a half due to the pandemic so I’m really looking forward to next season when I can hopefully get back to the Stadium of Light. I’m currently missing the feeling of coming in on a Monday morning when Sunderland have won and Newcastle, who Karl supports, have lost. Other than this I love to travel and spend time with my family and friends.