Head End Stack demolition using self-climbing platforms
Date & Time

5 December 2019
18:-00 for 18:30

Location

Holiday Inn Chester - South, Wrexham Road, Chester, CH4 9DL
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Price

Free

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Head End Stack demolition using self-climbing platforms

Date & Time

5 December 2019
18:-00 for 18:30

Location

Holiday Inn Chester - South, Wrexham Road, Chester, CH4 9DL
View on Google Maps

Price

Free

Availability Places available

Phil Nelson will give a talk about Head End Stack demolition using self-climbing platforms.

The aim of the project is to dismantle an existing 61m high Head End Stack from an existing building on the Sellafield site, using a self-climbing platform (SCP) which provides a stable base for the demolition using existing commercial technology adapted and applied to a high-risk nuclear project.

This is a very high-profile project which must be undertaken using the safest possible techniques and within a safe environment. The selection and development of a safe working platform for the demolition of the Stack was key.

The Separation Area Head End Stack consists of a reinforced concrete windshield surrounding a stainless-steel flue. The stack is approximately 61m high and extends some 122m above ground level.

The stack does not meet modern seismic structural standards. This represents a significant risk to the Stack and surrounding key facilities.

Research was undertaken, in both the UK and internationally, to identify a known system for using a SCP to ascend the stack and to demolish the stack top down.

The SCP, a steel and aluminium frame construction, is clamped to the stack windshield using a set of circumferential bands which pass around the perimeter. These are pre-tensioned to induce a contact bearing pressure on the stack windshield, effectively holding the SCP by friction.

Speaker

Phil Nelson FIStructE joined UKAEA as a graduate in 1985 prior to becoming a member of the Institution of Structural Engineers in 1991. He has over 30 years of experience within the Nuclear Industry with UKAEA, AEA technology, and now with Nuvia Ltd.

Phil is the Chief Structural Engineer and responsible for, technical delivery, resource management and staff development of some 100 plus engineers.

Phil is also a past Chairman and Secretary for the Institution of Structural Engineers Lancashire and Cheshire Regional Group.

Additional Attendee Information

Hot Buffet served from 18:00.

Free Parking (number plate to be registered at the hotel reception).

Contact

Email - [email protected]

Name - James Drew

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