Project: Chippendale Way

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Chippendale Way, Uxbridge- Flood Risk Assessment & SuDs Report

The proposed development site was within a Flood Zone 1, with no risk of flooding from any sources. However, there were surface water flooding issues within the vicinity of the site, as shown above.


Due to the development consisting of over 10 units, a detailed SuDS strategy was required in order to show that the surface water leaving the site could be dealt with through the use of Sustainable Urban Drainage Systems.


The existing site was greenfield, therefore our proposed solution followed the SuDS management train, in order to treat and slow down the peak rate of surface water run off. It also ensured that any surface water run off leaving the site was restricted to greenfield rates, in line with the London Borough of Hillingdon’s requirements. We also completed the London Borough of Hillingdon’s SuDS Pro-Forma and associated calculations, and therefore satisfied the planning requirements and gained consent for the client.


Nimbus Engineering Consultants Ltd, were then commissioned to carry out the detailed below ground foul and surface water drainage design. We also carried out the Sustainable Urban Drainage Systems design for this site in order to discharge the relevant planning conditions, as well as provided construction drawings.

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“I have really enjoyed working with Nimbus. Sadia is extremely knowledgeable and is always willing to go out to her way to help clients. The speed at which Nimbus produce their work is impressive and the prices are extremely competitive. Special mention to Ryan Herity after we worked closely together on a couple of schemes. Always happy to pick up the phone and answer questions. He provided solutions that led to drainage officer approvals – you can’t ask any more than that!”
John Neville
Elegant Homes
“I have used Nimbus Engineering Consultants for several years now. The service is second to none. Sadia effectively communicates throughout the entire process. Nimbus has never let me down. I would wholeheartedly recommend Nimbus for any and all SuDS advice. Nimbus shoot from the hip, and make my life easy, knowing if I have engaged them, I do not have to ever worry.”
Design Doctor
“We’ve collaborated with Sadia on a few projects; Nimbus Engineering’s proposals were well-informed, attentive of regulatory trends and wrapped in proactive attitude.”
Yasmina Mikhael
RES Design Long & Partners
We have been working with Nimbus Engineering for some time in a collaborative approach, allowing us to provide our clients with a complete Engineering service. Primarily providing us with SuDs, foul and surface water design, along with highways design and detailing, Nimbus have given us a great service, both prompt and efficient.
Daniel Fordham
Fordham Consulting
We at Rouf Homes have been using Nimbus Engineering for a number of years, for all matters relating to Drainage design, Flood risk and Sustainable Urban Drainage Systems design. We find them to be very knowledgeable on these matters, approachable, efficient and very cost effective
Belal Rouf
Rouf Homes
Richardson and Peat Ltd are pleased to be associated with Nimbus Engineering for their work on our Surrey school projects for new autistic teaching centres, with exemplary forward-thinking on the issues facing us with surface water attenuation they have not only dealt with the problems cost-effectively but by detailed design of rainwater gardens and swales have also enhanced the projects. Our company look forward to a continuing working relationship with Nimbus Engineering in the future.
Martin Peat
Richardson Peat


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