Most of our work is allied in some way to the planning process and Cass Allen have extensive experience in assisting clients negotiate what can be a confusing and occasionally frustrating part of the process.
The starting point for this type of work is generally some form of survey to establish existing baseline conditions. Once these are known then the noise impact of, or on, the proposed development is calculated and mitigation measures are discussed with the planning team.
Our work often involves negotiating acceptable acoustic criteria with the planning authority prior to submission. These criteria will typically form future planning conditions.
The end result is an acoustically viable scheme that is submitted to the planning authority and which is sufficiently robust to be defensible at planning appeal if necessary.
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Mixed Use Development - Greenwich, London
Client: Ampurius Nu Homes
Architects: Squire & Partners
Project Managers: Barrie Tankel Partnership
Planning Consultants: Savills
Scope: To advise on noise matters associated with the new Creekside Village development in Greenwich. Of particular concern was a working wharf close to the Eastern edge of the development. The wharf was protected by government statute and could generate noise at any time of day or night since operations are controlled by the tides. We carried out surveys and 3D modelling together with facade design of the residential towers to demonstrate that acceptable noise levels will be achieved inside the finished development.
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Residential Development - Harlow
Client: Barratt Homes
Architects: Architectus
Planning Consultants: Bidwells
Scope: To carry out a PPG24 assessment and acoustic design study to Part E of the Building Regulations on a 750 unit residential scheme in Harlow. The site is adjacent to a main road and a 24-hour supermarket and so high performance glazing and ventilation systems were required on some of the units. Pre-completion tests demonstrated that the acoustic design was successful. The top photo shows the development approximately 30% complete.
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Rooftop Plant Replacement for Data Centre - Horsham
Client: IBM
Architects: HGP Architects
Planning Consultants: BNP Paribas Real Estate
Scope: To assist with achieving planning permission for the replacement of rooptop cooling plant and the introduction of additional emergency generators.
We carried out a series of surveys at the site to establish existing noise emissions and ambient noise levels. We then used 3D noise modelling to demonstrate to the Council's satisfaction that noise emissions could be adequately controlled via planning conditions. The photograph shows the existing emergency generator building at the site.
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Environmental Impact Assessment - Wind Farm, Suffolk
Client: BT plc
Planning Consultants: DLP Planning
Scope: To assist with achieving planning permission for a wind farm in rural Suffolk. This site forms part of BT's Wind for Change project and will, when complete, consist of six 2MW turbines on 80m high towers. Our role was to carry out extensive surveys and 3D modelling work and then prepare the noise chapter of the Environmental Impact Statement.
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Hotel Development - Cambridge
Client: Travelodge
Architects: Barber Casanovas Ruffles
Planning Consultants: Januarys
Scope: To assist with achieving planning permission for a new Travelodge Hotel. The site is on one of the main access routes into Cambridge and so a high performance facade was required to achieve suitable noise levels inside guest bedrooms.
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Conversion of Town Hall - Tottenham, London
Client: United House
Architects: BPTW
Planning Consultants: CgMs
Scope: To assist with achieving planning permission for the proposed redevelopment of Tottenham Town Hall into mixed commercial and residential uses. The site was complicated by the presence of railway lines at the rear, the busy A10 at the front and a live music venue to the side. However, through detailed acoustic design of the facades and ventilation systems we were able to demonstrate to the Council that suitable noise levels could be achieved inside the development and planning permission was approved.
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Environmental Impact Assessment - Bishops Stortford
Client: Barratt Homes
Architects: Chetwoods
Planning Consultants: DPP
Scope: to prepare the noise chapter of the Environmental Noise Assessment for the proposed redevelopment of the disused goods yard in the centre of Bishops Stortford.
The development was of such a size that a full EIA was required and included 750 dwellings, retail and commercial space, a hotel, a train and bus station/interchange, a dual carriageway and a dedicated power station. We carried out a series of noise surveys to establish the baseline noise conditions and then detailed 3D modelling to predict the noise impact of the development on the town centre. The picture shows part of the noise modelling for emissions from the new dual carriageway running through the site.
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New School - Portsmouth
Client: Portsmouth College
Architects: HNW Architects
Planning Consultants: GVA Grimley
Scope: to assist with achieving planning permission for the replacement of Portsmouth College. We carried out baseline noise surveys and 3D modelling to help establish the most effective layout for the college from an acoustic perspective. Of particular concern was the presence of a breeding ground for Canadian Geese on the site, which the Council required should not be disturbed during the construction phase. The photograph shows the proposed college superimposed on the existing college, which is to be demolished in stages.
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Manufacturing Facility and Headquarters - Milton Keynes
Client: Niftylifts
Architects: q2 Architects
Project Managers: Goring Berry
Planning Consultants: Bidwells
Scope: To assist with achieving planning permission for Niftylift's proposed new UK manufacturing and office headquarters. The council were concerned that noise from deliveries, the manufacturing processes and associated wind turbine might disturb existing residents close to the site and future residents of a planned retirement village.
We carried out a series of surveys at the proposed site and at Niftylift's existing manufacturing plants and were able to demonstrate to the Council's satisfaction that noise emissions could be adequately controlled via planning conditions. The picture shows one of the initial surveys carried out to provide baseline noise data for the 3D computer model.
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