Water & Wastewater Treatment

20 | APRIL 2014 | WWT | www.wwtonline.co.uk lovibondwater.com COD System Photometers BOD System Powder and Tablet Reagents The Lovibond ® Water Cycle Clearly, the water experts For quality testing at every stage of the water cycle, the Lovibond ® portable testing instruments and reagents offer rapid, reliable and accurate monitoring. The Lovibond ® brand is synonymous with tried and trusted products, service and pure expertise. For advice on water analysis equipment Call 01980 664800 or email water.sales@tintometer.com www.wwtonline.co.uk | WWT | APRIL 2014 | 21 Grit separation technology installed at the inlet of Uttons Drove Water Recycling Centre in Cambridgeshire E xpansion of Uttons Drove wastewater recycling centre in Cambridgeshire has provided Anglian Water (AW) with the opportunity to pilot a more streamlined approach to working with the supply chain in the run-up to AMP6. The utility aimed to procure equipment that did not require extensive onsite civil works and as a result, the main inlet structure was completed in three weeks. As part of the £10M project, AW chose Hydro International's Grit King advanced hydrodynamic vortex sepa- rator as an economical solution to pro- tecting equipment downstream of the works inlet from the accumulation and wear of grits and abrasive sediments. The raw water intake at Uttons Drove is a mixture of combined sewers and dedicated foul water sewers, as well as some commercial wastewater. On low-flow days all inlet water will first be processed through the Grit King, on storm days a proportion will be diverted to a storm tank for settling. "The overall objective of the initiative is to significantly reduce the cost and time taken in delivering a completed works, as well as the carbon foot- print," explains John Grimm, AW pro- ject leader at Uttons Drove. "A princi- ple source of cost and time overruns is the capital works and, in particular, concrete construction on site. He says, "The Grit King was deliv- ered skid-mounted for easy installa- Treatment plant expansion Better supply chain partnering pioneered tion and commissioning, which met our new supply chain approach to procurement for major projects." All suppliers were asked to participate in early design phase consultations and, also, to submit a 3D computer model compatible with AW's 3D model for the whole works. Grimm explains, "By using 3D model- ling we can resolve commissioning issues before they arise, combining topography, process flow and details of all fittings, connections and so on. It is an approach we hope other suppli- ers will follow." Looking ahead, he said, "We intend establishing the model process for Anglian Water with Uttons Drove that minimises on-site construction and streamlines installation, commission- ing and connections." Project focus ● Skid-mounted plant delivery ● Grit separation technology ● Innovative supply chain approach Keith hayward UK SALeS & mARKeTInG mAnAGeR- WASTe- WATeR DIvISIon, HyDRo InTeRnATIonAL ● rapidly growing popula- tion in Cambridge area made plant expansion necessary ● Need to reduce cost, time and carbon footprint by minimising on-site construction ● to avoid commissioning delays, hydro design team worked closely across the supply chain • Drivers • Perspectives The client "the Grit King ticks all the boxes for this new ap- proach, and we anticipate that equipment designed to these parameters will be ever more popular when we are looking at treatment plant for the future. the Grit King is a perfect example of a 'plug and play' solution. it is delivered skid-mounted, factory-tested and ready for operation and can be connected up in three days." John Grimm, project leader, Anglian Water The supplier "Careful forward-planning before work begins on site helped to avoid in- compatibility of connec- tion between different items of plant, reducing commissioning delays." Keith Hayward, UK sales & marketing manager - wastewater, Hydro International

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