SPECIAL WORKS
Graf UK delivers a belter of a rainwater harvesting tank at
historic cricket club Graf UK rainwater harvesting tank helps to dismiss cricket club's watering woes
The installation of a Graf UK rainwater harvesting system at Chiswick Cricket Club has delivered a hat trick of firsts.
Initially, it was the first time that water consumption consultants Ecoprod had specified a Graf UK system. Secondly, it was the first time water management systems contractor Jamie Vacher had installed a rainwater harvesting system. And thirdly, the project is the first of its kind in Middlesex.
Chiswick Cricket Club was founded in West London in 1853 and has recently undergone a major redevelopment in line with the English Cricket Board's (ECB) emphasis on sustainability.
Part of this focus has been on increasing their facilities throughout the year without increasing the use of mains water, as well as thwarting the increasing occurrence of temporary use bans which mean that during hosepipe bans the club can only water its cricket square.
Through accessing the ECB's County Grants Funding, Middlesex Cricket approved the grant contributing towards the cost of Chiswick Cricket Club installing a rainwater harvesting system, which is believed to be the largest below-ground system in cricket in the country to date.
Chiswick CC will monitor its performance until the end of the summer to better understand how rainwater harvesting on this scale can benefit a cricket club, with the potential for the project to be used as a sustainability exemplar for the ECB.
Ecoprod was called in by Chiswick to suggest a suitable system, having sustainably redeveloped the women's changing rooms two years ago. Having often come across Graf UK, and also having a mutual acquaintance in Prof Jacob Tompkins OBE as a consultant, they decided to specify Graf's 15,000-litre Platin XL shallow-dig underground rainwater harvesting tank.
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This stores circa 250m³ of rainwater per annum from the main roof of the clubhouse, which is clay plain tiles, and from rear and side flat-roof extensions, together totalling 550m². The run-off is used to water the 900m2 cricket square and surrounding grassed area of more than 5,000m2.
Jamie's first installation of a rainwater harvesting system took just six days from start to finish. A team of two used a five- tonne excavator and general hire tools to dig a 9m-long by 2.5m-wide by 2.3m-deep hole in virgin ground at an outdoor eating area next to the clubhouse.
The 7.5m-long by 2.2m-wide by 1.3m-high tank weighing 710kg was then lifted in by the excavator and backfilled with 40% of the sand that had been underneath the top layer of clay. The remaining 60% of sand was used to re-dress the cricket pitch itself, completely negating waste.
To complement the fully assembled Graf tank, Jamie added a water meter to the mains top-up feed so the club will not have to pay for the waste water it is not
| October 2024 |
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processing.
So impressed with the ease of installation of the Graf UK system was Jamie that he is now keen to become a regular installer of Graf UK systems.
"We did get lucky with the ground conditions but it was a very easy installation, perfect to be honest. The Graf systems do exactly what they say on the tin. I had to ring the technical team on one occasion, about the water top-up sensor, and it was resolved straightaway. It was the best service you can get and a very good experience overall."
He added: "I can definitely see the benefits of rainwater harvesting systems now. We just need to get more people realising that."
Ecoprod's director and general manager Marcus Rose was equally impressed by his first specification of Graf UK systems.
He said: "The project ran very smoothly, with both technical support from Graf and excellent on-site operations from our appointed contractor Jamie Vacher, so it will be very appropriate as an exemplar case
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