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Hodgson & hodgson Acoustic Consultancy Division
Acoustics, Noise and Vibration
 

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Established in the 1890's the Hodgson & Hodgson Group has served the rail industry since the days of the steam engine. Today it is a leading supplier of insulation packages designed to promote the comfort and safety of railway passengers and operators throughout the world.

A fully comprehensive service is offered covering the design, measurement, manufacture and supply of thermal, acoustic and vibration control components including:

Bullet Point Thermal insulation kits for roof,   body-sides, floors, cabs and   intermediate ends.

Bullet Point Acoustic flooring designed to meet   London Underground requirements

Bullet Point Vibration damping for carriages

Bullet Point Fire protection systems

Bullet Point Exhaust and silencer jackets for   personnel protection

Bullet Point Acoustically treated heating and   air-conditioning ductwork

Bullet Point Acoustically absorptive ceiling panels

Bullet Point Engine compartment heatshields   and fire extinguisher rings

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Further Information

 

Rail Acoustics

Locomotive Noise Control

Noise Control Trams

Rail Applications

Locomotive Interiors

Rail Wheel Noise

Thermal Protection

Vibration Damping Materials

Absorptive Materials


Testing

The materials supplied to the rail industry have generally been tested and comply with the following:

BS 6853:
BS 476 Part 4 Non-Combustibility
BS 476 Part 6 Fire Propagation
BS 476 Part 7 Surface Spread of Flame
Three Metre Cube Smoke Emission
prEN2825 and prEN2826 Toxic Fume

BS 4072:
Wood Preservation Parts 1 and 2

NF F 16-101:
96-681 F Classification
96-681A NF X 70-100
96-681B NF X 10-702
7072-96 M Classification

Additional testing can be undertaken as dictated by clients.


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Acoustics, Noise and Vibration