This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1882 Excerpt: ...as siding room for carriages, and other requirements of the railway company. Much has been written on the subject of timber scaffolding, and examples are not wanting of clever and scientific structures of this class designed to facilitate the erection of iron buildings, such as the various international exhibitions of this and other countries, and likewise the more recent railway termini, such, for instance, as the St. Pancras in London, St. Enoch at Glasgow, and lastly, the Central Station at Manchester. All the scaffolds used in the construction of these works have been designed on the same principle--massive framework, calculated to bear the heavy machinery and materials necessary for their construction. It will be evident that these solid structures cannot be made available for the lighter work of the roof, consisting of filling in between the iron ribs with glazed ridge and furrow roofing, the lead and zinc work, boarding, slating, and lastly, the painting and decorating of the whole fabric; therefore some independent means must be provided by the contractor, and as the outlay of the work to be done is of comparatively small value, and of shorter duration than the main building, economy of cost and facility in manoeuvring, consistent with stability, must be the chief object of the designer; the structure should be as much labour-saving as it is possible ThE INST. C.E. VOL. LXVIII. K to make it, and the outlay should not exceed 5 per cent, of the contract sum. The Author, after duo research for a precedent, found that the methods hitherto adopted had nothing to recommend them. A plan made use of by Messrs. Handyside for this class of work at the St. Enoch station at Glasgow, fulfilled many of these requirements, and a brief description of this scaffoldi...