Author: McDonald, Lachland
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McDonald, Lachland
The Structural Engineer, Volume 78, Issue 19, 2000
Column or Beam Jack Kavanagh has written from Co. Kildare in Ireland: I write to try to clarify a difference in interpretation among some colleagues regarding design of cantilever columns. A lot of industrial warehousing here is constructed in precast concrete frames using fixed-base cantilever columns. BS 8110, section 3.8.4.1, states that columns design assumptions are as for beams (section 3.4.4.1).
Who can be a planning supervisor? The Construction (Design & Management) Regulations, 1994, place no restrictions on who may be appointed as a planning supervisor, provided they are competent to perform that function in relation to a particular project; indeed, the client may carry out the duties himiherself, provided that the person appointed has the necessary competence. However, the risk of sacrificing the objectivity that an independent planning supervisor brings to a project should not be overlooked.
The design and construction of Westminster Station on the London Underground Jubilee Line project was both technically demanding and a complex undertaking. This paper is concerned with the design but not the construction. It sets out to describe the many and varied constraints imposed by the selected site,adjacent buildings and structures designed and built by others over the station whilst it was under construction. R. Hankin