Supply Chain - Reservoirs & Storage
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Related Content
Case Studies
- Rivington Upper Impounding Reservoir (2023)
- Tunstall Reservoir (2024)
- Llyn y Fan Fach Reservoir (2024)
- Lluest Wen Reservoir (2023)
- Llyn Bran Discontinuance (2023)
- Springwell Service Reservoir (2024)
- Harthill Reservoir (2024)
- Gouthwaite Reservoir (2024)
- Hingston Down Reservoir (2023)
- King George V Reservoir (2023)
- Isle of Wight South Strategic Optimisation (2023)
- Lower Barden Reservoir (2023)
Mini CS & Company News
- College Avenue Contact Tank
College Avenue Contact Tank
The challenge
The South East Water contact tank has a constant output of 18.1 million litres per day, it contains water which is treated with Sodium Tripolyphosphate and sodium hypochlorite before entering the distribution network. The structure is of a ‘certain’ age and has a number of active leaks that have progressively worsened over time. As the tank is in constant use, it cannot be taken off-line and so a solution was required which could be undertaken against heavy flow of water with the tank still in use.The Xypex solution
Xypex not only likes water, but the repair method requires a wet environment therefore an active leaking tank is not a problem. The cracks were chased out in accordance with the DWI Reg. 31 approved Instructions for Use Document i.e. a minimum of 37mm depth and 25mm wide, following the line of the crack. Either side of the crack was cleaned and the laitance removed to expose the capillary and pore network. [caption id="" align="alignnone" width="1200"] The Xypex solution; Concentrate and Patch'n Plug - Courtesy of SMR Projects Ltd - Xypex UK Distributors[/caption] A bleed pipe was installed and secured with Xypex Patch’n Plug at the lowest point of the crack where water flow was at its greatest. Then the base of the crack was plugged using Xypex Patch’n Plug to stop the flow of water. This was then left to see if there were any additional issues that manifested themselves over night. Once the flow was proven to have stopped, the repair was finished using Xypex Concentrate both as a dry pack and a slurry in line with the IFU and Xypex’s standard repair methodology.The results
The Xypex methodology using Xypex Patch’n Plug stopped the flow of water instantly and allowed the repair to be undertaken. The crystalline chemistry within the Xypex Concentrate will migrate deep in to the concrete matrix around the repair, driving water out and increasing the life and durability of the tank in those areas. [caption id="" align="alignnone" width="1200"] Courtesy of SMR Projects Ltd - Xypex UK Distributors[/caption] As the original repairs were undertaken, additional pressure was transferred to other cracks that were visible, but not leaking, and these were all repaired using the same method. In all, only 2 materials were used on site and no specialist methods were used. SMR Projects Ltd attended and were on hand for technical help throughout the installation.
For more information: SMR Projects Ltd - XYPEX UK Distributors: +44 (0)1295 279747 | www.smrxypex.co.uk
- Major Supply Grid Upgrades, Somerset
Major Supply Grid Upgrades, Somerset
Scope of works
Excavation works began in 2017 at the Dancing Hill Reservoir site as part of a £6 million project to upgrade the Water Supply GRID for Bridgwater and the surrounding areas. Major upgrades are required due to large-scale developments in the area.Issues & solutions
The design was particularly challenging due to the complicated nature of the ground surrounding the reservoir tank. A sizeable berm was built on the ground profile around Cofferdam 4 to ensure a safe and stable excavation. This exaction also had to accept other loadings from Cofferdams 1, 2 and 3. Multiple 203UC tank brace frames were used due to the strict lift plan limit of 1 tonne. Larger or heavier brace systems could risk the collapse of existing foundations. Vibration pile driving was not permitted due to the detrimental effect it could have on the high-pressure water mains that supplies customers. There was also a HV cable running through the site that had to be avoided. The exact location of other services created additional challenges and ongoing surveys had to be monitored throughout the duration of works. As of 2017 there are four connected cofferdams in place allowing safe working space to combine new pipeworks to the main reservoir tank. Multiple back-to-back 203UC tank braces with special alignment of bracing has been key in the design, combined with KKD 600 sheets to secure the trench. Several Lightweight DavitSafe systems allow safe access into the 10m deep cofferdams.- Sector: Water & Utilities
- Client: Wessex Water
- Location: Bridgewater, Somerset
- Scheme: Water Supply GRID Upgrade
- MGF depot: Bristol
- Products hired: Multiple 203UC brace, KKD 600 sheets, lightweight davit
For more information: MGF Ltd | +44 (0)1942 402700 | www.mgf.co.uk
- Kent Reservoir - South East Water
Kent Reservoir - South East Water
The challenge
The reservoir had an estimated 180 meters of cracks that needed repair, as well as the main element of the concrete that required coating to waterproof and add durability to the concrete structure. The reservoir was taken out of commission but it needed to be returned to service as soon as possible. To do this, we looked at the order of the processes to ensure the tight time frames could be met.The Xypex Solution
In accordance with the Reg. 31 IFU (Instructions For Use) all cracks were broken out to a minimum depth of 37mm and a width of 25mm. The walls were prepared by removing the laitance and the whole area was saturated. To stem the ingress of water, every crack that showed moisture was sealed with Xypex Patch’n Plug which sets in seconds stemming the flow. To meet the required time frame, the Xypex Concentrate coating work was then undertaken to allow it to air cure for the specified time. Once applied, the crystalline technology takes time to migrate deep into the concrete and become fixed within the concrete matrix as a permanent solution. When the curing is complete the coating could be removed if required, in this instance it remained. During the curing process of the coating, the crack repairs were then filled using Xypex Concentrate as a Dry Pack and then finally topped off with a thin layer of Xypex Patch’n Plug to enable the fast return to service. [caption id="" align="alignnone" width="1200"] The Xypex solution; Concentrate and Patch'n Plug - Courtesy of SMR Projects Ltd - Xypex UK Distributors[/caption]The results
The allowed time frame meant undertaking the processes out of the normal sequence, but this allowed the repairs to be to be delivered on time. The coating was undertaken to increase the durability but also to pick up any minor unidentified cracks. The larger cracks were repaired and sealed using the standard Xypex repair methodology, however ultimately over 300 metres of crack repairs were completed.
For more information: SMR Projects Ltd - XYPEX UK Distributors: +44 (0)1295 279747 | www.smrxypex.co.uk
Jobs
- Senior Civil Engineer - Water (6286)
Senior Civil Engineer - Water (6286)
The opportunity
Across the entire business, Stantec are building on top of what’s already been a highly successful period of growth. Our strategy within the Water division for 2023 and beyond is creating a number of new exciting opportunities across the business. We partner with the top water clients across the UK, work on some of the largest, most iconic water projects in the industry and we promise to design with community in mind by reducing environmental impacts and improving social impacts. We enable the delivery of sustainable development and infrastructure projects that adapt to and mitigate the effects of climate change. Our Civil Engineers work across the project lifecycle in asset planning / strategy, concept design, outline design and detailed design. We work in a variety of project areas within the water sector, including clean water treatment and networks, wastewater treatment, wastewater networks, flooding, and urban drainage. You can find out more about our work in the water sector here: Stantec H2O+U - UK. You’ll be responsible for the project’s civil engineering design, the leadership of civil engineering teams and will work alongside our overall project design leads to ensure successful project delivery and outcomes for our clients. You will also have access to Stantec’s world-class expertise to help you deliver cutting edge design.About You
You’ll have experience working as a Civil Engineer on projects within sectors such as the water, environment or other related infrastructure sectors. Ideally you will hold Chartered or Incorporated member status with a relevant professional body such as ICE or CIWEM. You’ll have a passion for the water and environment sector and supporting our developing civil engineers. You’ll also be experienced in successful project delivery and working collaboratively with project teams to develop innovative solutions. Finally, you will have experience of working in a client facing role, leading client engagement and collaboration on a regular basis.
About Stantec
The Stantec community unites more than 31,000 employees working in over 450 locations across 6 continents. We have been working with our clients and communities in the UK for over 150 years. We plan, design, deliver and manage the development and infrastructure needed to support the creation of sustainable, healthy and prosperous communities. Our teams provide effective and relevant solutions, translating our clients’ vision into valued consents, deliverable plans for projects and programmes, and efficient designs for delivery, based on technical excellence and deep market insights. We deal with today’s challenges, but also keep a fairer, better tomorrow in sight, looking at how we deliver clean growth, support radical changes in our economy and meet the needs of future communities. Stantec provides equal employment opportunities to all qualified employees and applicants for future and current employment and prohibit discrimination on the grounds of race, colour, religion, sex, national origin, age, marital status, genetic information, disability, sexual orientation, gender identity or gender expression. We prohibit discrimination in decisions concerning recruitment, hiring, referral, promotion, compensation, fringe benefits, job training, terminations or any other condition of employment. Stantec is in compliance with laws and regulations and ensures equitable opportunities in all aspects of employment. Building an inspired, inclusive work environment that attracts, supports, and develops world-class talent is a crucial key to our success. If you are excited by this role but worry that your experience doesn’t exactly align, we encourage you to apply. - Civil Engineer - Water (6331)
Civil Engineer - Water (6331)
The opportunity
Do you have a passion for Civil Engineering ? Are you driven to create solutions for the unprecedented climate, environmental, and efficiency challenges facing our clients and the wider community? Then make a real difference and join us at Stantec! We are excited to continue our growth journey in Ireland and Northern Ireland and we have exciting plans for expansion in 2025 and beyond. We look forward to continuing our work with Uisce Eireann on the Engineering Design Services Framework and in Northern Ireland, we are proud to have been appointed to Northern Ireland Water’s IF182 Professional Services Framework. Taoiseach Simon Harris recently opened our new Dublin office, and we have now also moved to a new city center office in Belfast. This exciting pipeline of work, coupled with the scale of opportunity across the AMP8 cycle in the UK means that we seeking Civil Engineers at all levels with experience in the water/wastewater industry to join us. We are flexible with location so the position can be based in Dublin, Belfast or elsewhere. You will have the opportunity to join a dynamic team spread across the UK and Ireland, supporting the delivery of a variety of projects as part of a major capital investment programme.You will play an important role in the team, developing technical solutions & providing advice to our clients. You will provide technical expertise to ensure projects are delivered to cost, schedule & quality standards and work collaboratively amongst multi-disciplinary teams to ensure first class delivery of our projects. You will work closely with external stakeholders & clients to develop long term relationships.About You
You will be Degree qualified (or equivalent) in Civil Engineering or other relevant subject and have some experience of working within the regulated water industry.You will have knowledge of water and wastewater infrastructure/networks and treatment. Due to the nature of upcoming projects, ideally, you will also have experience in areas such as Clean Water and Wastewater Treatment, Trunk Mains and Large Diameter Pipeline Design.Ideally, you’ll have previous consultancy experience in a design role.Most importantly, you’ll embody our values and ethos of client focus and service excellence and have a passion for making a difference in the Water sector.Why Join us?
- Our People Culture: We're a close knit team and very proud of our friendly and collaborative environment
- Growth: We're on an exciting growth journey in Ireland and Northern Ireland - we want you to be part of it!
- Awards: Stantec were awarded the International Consulting Firm of the Year and Best place to work - Large Consulting Firms at the 2024 NCE awards as well as being consistently recognised in the top 10 Corporate Knights most sustainable companies in the world.
- Great Benefits: Competitive salary, pension plan, holidays, free private medical insurance, discounted gym membership and lots more.
- Flexible working arrangements
- Great Projects: We have secured positions on both the Uisce Eireann and NI Water Frameworks and are delivering a wide variety of projects that will make a real difference to our communities
- Industry leading training and development as well as paid for professional subscriptions
About Stantec
The Stantec community unites more than 31,000 employees working in over 450 locations across 6 continents. We have been working with our clients and communities in the UK for over 150 years. We plan, design, deliver and manage the development and infrastructure needed to support the creation of sustainable, healthy and prosperous communities. Our teams provide effective and relevant solutions, translating our clients’ vision into valued consents, deliverable plans for projects and programmes, and efficient designs for delivery, based on technical excellence and deep market insights. We deal with today’s challenges, but also keep a fairer, better tomorrow in sight, looking at how we deliver clean growth, support radical changes in our economy and meet the needs of future communities. Stantec provides equal employment opportunities to all qualified employees and applicants for future and current employment and prohibit discrimination on the grounds of race, colour, religion, sex, national origin, age, marital status, genetic information, disability, sexual orientation, gender identity or gender expression. We prohibit discrimination in decisions concerning recruitment, hiring, referral, promotion, compensation, fringe benefits, job training, terminations or any other condition of employment. Stantec is in compliance with laws and regulations and ensures equitable opportunities in all aspects of employment. Building an inspired, inclusive work environment that attracts, supports, and develops world-class talent is a crucial key to our success. If you are excited by this role but worry that your experience doesn’t exactly align, we encourage you to apply. - Senior Civil Engineer (6463)
Senior Civil Engineer (6463)
The Opportunity
Following a number of successful frameworks bids across the water industry, and in preparation for the most challenging AMP ever, we are expanding our high-performing engineering teams across the country. In Newcastle, we are excited to have been appointed as a Strategic Technical Partner by Northumbrian Water for the AMP8 period. Stantec provide a range of technical enabling, solution delivery and design services to support Northumbrian Water in achieving its vision to be the leading provider of sustainable water and wastewater services. As part of our long-standing relationship with Northumbrian Water, including the ongoing ESH-Stantec joint venture, we will continue to develop innovative solutions to support their delivery of capital investment across both infrastructure & non-infrastructure projects. In order to continue providing our clients with our expert service, we are looking to recruit a Senior Civil Engineer into our team Newcastle on the picturesque Quayside. You will become part of an international team, redefining our landscape with sustainability, the environment and the communities we serve at the heart of everything we do. As a Senior Civil Engineer, you will work across the entire project lifecycle in asset planning, strategy, concept design, outline design & detailed design. You’ll be responsible for delivering civil engineering solutions, guided by our Principal Engineers & Design Leads, whilst also supporting & mentoring our more junior engineers.You can find out more about our work in the water sector here: Stantec H2O+U - UK.
About You
We are interested in speaking with passionate engineers with design experience within the UK water industry. You’ll hold a degree in Civil Engineering and ideally have achieved Chartered status with a relevant professional body such as ICE or CIWEM. You will have gained experienced delivering community focused projects, whilst working collaboratively with multi-disciplinary teams to delivery innovative solutions. We will support your growth & development through training & project exposure, though prior experience within storm overflows, SUDS, surface water management & sewage treatment would be beneficial.
About Stantec
The Stantec community unites more than 31,000 employees working in over 450 locations across 6 continents. We have been working with our clients and communities in the UK for over 150 years. We plan, design, deliver and manage the development and infrastructure needed to support the creation of sustainable, healthy and prosperous communities. Our teams provide effective and relevant solutions, translating our clients’ vision into valued consents, deliverable plans for projects and programmes, and efficient designs for delivery, based on technical excellence and deep market insights. We deal with today’s challenges, but also keep a fairer, better tomorrow in sight, looking at how we deliver clean growth, support radical changes in our economy and meet the needs of future communities. Stantec provides equal employment opportunities to all qualified employees and applicants for future and current employment and prohibit discrimination on the grounds of race, colour, religion, sex, national origin, age, marital status, genetic information, disability, sexual orientation, gender identity or gender expression. We prohibit discrimination in decisions concerning recruitment, hiring, referral, promotion, compensation, fringe benefits, job training, terminations or any other condition of employment. Stantec is in compliance with laws and regulations and ensures equitable opportunities in all aspects of employment. Building an inspired, inclusive work environment that attracts, supports, and develops world-class talent is a crucial key to our success. If you are excited by this role but worry that your experience doesn’t exactly align, we encourage you to apply.