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    Proving the ROI of investing in water saving washroom equipment: part 2

    In my last blog post I outlined the process that Ecoprod uses in order to prove the ROI of our products to potential clients. In that example we used water metering to prove the water savings that could be achieved for a chain of service stations by switching to Conti+ Ultra sensor taps. The service station chain is undergoing a steady washroom refit programme across all its sites, so in this post I am going to give an overview of another ROI exercise we conducted for them.

    In this case the organisation was planning to replace all circular sinks from its sites. These sinks all had self-closing non-concussive taps installed – taps that produce a timed flow of water in response to the user depressing the control or push button and then self close after a period of time.

    These types of taps are notoriously known for failure due to the mechanism wearing with use so they have a very high breakage rate. Correct installation together with regular servicing is required to ensure optimal performance.

    In particular, failure to ensure that the taps remain free from dirt or scale buildup can seriously affect the taps’ performance, and of course they don’t offer any water saving features so are inefficient in that regard as well.

    As in the example already mentioned, we installed water meters at one location for a test trial period. First, the meters ran with the old taps still installed in order to measure their water consumption. We collected roughly 150 days worth of water use data from the old taps. We then installed Conti+ Conwash wall mounted self-closing taps and tracked the change in water usage for another 150 days. The results were as follows:

    • Total water consumption with the old taps was 511.224 m3 – an average of 3.235 m3 of water used per day
    • Total water consumption with the Conti+ Conwash taps was 195.866 m3 – an average of 1.216 m3 per day
    • This equates to an average daily saving of 2.019 m3 water
    • Across a full year the organisation would save 736.935 m3 water
    • Using Severn Trent’s published water tariffs we calculate that this saves the organisation £1,842.50 per year from this single site alone
    • The organisation would achieve payback on installing these taps in only 7.5 months

    There’s also an additional energy saving achieved through the non-delivery of hot water but more heat source details will be needed before this can be accurately measured. That said, we do know that the amount of hot water saved over the test period was 197.458 m3, a significant reduction.

    Conti+ taps are sensor operated so not prone to the mechanical faults that are common with non-concussive taps. The Conti+ taps have been installed for over six months now and there has not been a single problem, fault or maintenance issue with any of them, so the organisation will also make significant savings to its maintenance budget once the Conti+ taps replace the 300+ old style taps across all outlets.

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    Lord Rupert Redesdale

    Lord Redesdale was the Energy Spokesman for the Liberal Democrats for the House of Lords 2000-2008 during which time he introduced many members’ bills in the area of energy and conservation.

    Lord Redesdale is the CEO of the Energy Managers Association (EMA). The EMA aims to promote the development of energy management and the career structure of Energy Managers in the British economy.

    In 2016, Lord Redesdale co-founded The Water Retail Company (TWRC) with Professor Jacob Tompkins. TWRC is a licensed retailer with a focus on water efficiency and reduction strategy for its customers.

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    Professor Jacob Tomkins

    Jacob is the the co-founder and CTO of The Water Retail Company. Jacob trained as a civil engineer with degrees from UCL and Imperial. He worked as an academic, was water lead for the National Farmers’ Union and freshwater advisor at Water UK. He set up and ran Waterwise the water efficiency NGO for over 10 years. He has developed EU water legislation and recently chaired a UK Govt task force on resilience in the water sector.

    He is currently writing two books for Wiley on water efficiency and water and behaviour. He is a visiting Prof at Exeter University and has an OBE for services to water efficiency.

     

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    Harvey Djangogly

    Harvey brings over ten years of experience designing, leading, and evaluating initiatives that engage individuals, households, and employees in sustainable living, and that motivate pro-environmental change. Harvey works with and advises public, private and civic sector organisations in the UK and U.S. and abroad, focusing in particular on his passion –sustainable water use and efficiency.

    Harvey believes in the dual approach of “behaviour change” harnessed with innovative technology to achieve the goals of meeting water and carbon footprint reduction targets. The FlowlessTM by WINT solution, epitomises Harvey’s philosophy by allowing customers to monitor their water use in real time, empowering them to save water by introducing efficiencies and most importantly preventing and detecting escape of water and leaks thereby providing water security to the client’s facility/workplace

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    Marcel Napflin

    Marcel Näpflin is a long-standing member of the management team of URIMAT Schweiz AG, a leading manufacturer of environmentally friendly products in the sanitary industry. As Director for Marketing & Sales and Member of the Executive Board, Marcel has been responsible for the international marketing and sales strategy and the worldwide expansion of URIMAT. Under his leadership URIMAT developed numerous worldwide patented product innovations which save water, improve hygiene and reduce carbon footprint in restrooms.

    In his role as Business Development Manager Marcel was responsible for the development and launch of URIMAT-CONNECT, a cloud-based digital advertising system built into multi-media waterless urinals which dynamically deliver real time advertising messages via the internet. Marcel is a graduate business economist and has commercial diploma in banking. After he started his professional career in banking he worked in various management positions in the Sporting Goods Industry. 

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    Marcus Rose

    Marcus Rose is Managing Director at Ecoprod and URIMAT UK. He is a fully qualified mechanical engineer by training & background, with many years’ experience in the construction industry especially related to mechanical, sanitary and washroom applications.

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    Robert Summer

    For the last 8 years Robert Summer – Head of International Sales and Marketing – has developed structured distribution network worldwide for CONTI+ brand. The products offer great benefit for washrooms and shower rooms for public, semi-public and health sector. Today, sustainability, hygiene and smartness are key to CONTI+ solutions. Robert lives the brand and its USPs and loves to support and motivate his team on a daily basis.

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