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News Release from: Black and Veatch | Subject: Welsh Water Capital Alliance
Edited by the Processingtalk Editorial
Team on 10 August 2004
Broomy Hill high point for Black and
Veatch Water
On schedule and within budget, the GBP15M contract to increase the capacity of Broomy Hill WTW in Hereford has been completed, supplying 57 million litres of water per day to the Hereford area
On schedule and within budget, the GBP15M contract to increase the capacity of Broomy Hill WTW in Hereford has been completed Welsh Water Capital Alliance partners Black and Veatch Contracting, sister company Black and Veatch Consulting, Laing Utilities, United Utilities, cost consultant EC Harris, project manager ChandlerKBS worked closely to deliver the contract, which now makes Broomy Hill the largest Dwr Cymru Welsh Water water treatment works in England
This article was originally published on Processingtalk on 11 Feb 2004 at 8.00am (UK)
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Supplying 57 million litres of water per day (previously 49 Mld), the enhanced works serves 110,000 people and will meet demands in the Hereford area for at least the next 20 years.
In doing so, a brand new works has been created on the existing site, which was first commissioned by Black and Veatch Contracting (then known as Paterson Candy) back in the early 1970s.
Speaking for Glas Cymru, which owns Dwr Cymru Welsh Water, Lord Burns commented: "This works will supply our customers in Hereford, Ledbury and Leominster with the highest quality drinking water.
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We are using a new generation of equipment to ensure that the water is of a very high standard".
The existing works had to continue producing water throughout construction.
During commissioning, the team successfully ensured that high quality drinking water was supplied to customers during one of the driest summers and autumns on record.
All parties adopted a partnering approach, with the project partners building target costs for their elements of work, and then combining them into a single target cost.
Gain and painshare were calculated on the combined target cost, which incentivised the partners to team up and provide the very best value for the project - a work ethic that was used successfully by the same partners at Dwr Cymru Welsh Water Felindre WTW.
Cost and timesavings were achieved for pipework design and installation by using 3D CAD.
Additional key drivers included major efficiency improvements, asset renewal and prevention of taste and odour problems, as well as mitigating the risk of Cryptosporidium.
The scheme briefly comprised.
Diversion of raw water pumping main to new mixing and flocculation tanks.
Installation of new, efficient drives for low and high lift pumps.
Provision of new Flat Bottom Clarifiers (Black and Veatch design).
Provision of new Rapid Gravity Filtration.
Provision of new Granular Activated Carbon contactors.
Upgrading of existing wastewater treatment facilities.
Upgrading and modernisation of all chemical dosing and control facilities.
There were numerous conservation issues around the project, including a Grade 2 listed Victorian water tower.
Consideration of all of these was built into the design.
(The Capital Alliance is a strategic partnering team made up of mainly specialist engineering and construction companies, formed to deliver around 60% of Dwr Cymru Welsh Water's GBP1.2 billion capital investment programme during 2000-2005).
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