T pr tre coaeret eat i prestressed concrete work cut

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...t Pr .. tre .... Coaeret. - ea.t I. ". -- Prestressed concrete work cut in I;tll shall be Cully described. 10
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18 I 1200 ( Part II ) • 197.. 4 .... 1 Concrete in structural members, such as columns, beams and slabs shall each be measured separately. ".f.l.1 Memben cast In section, (that is not in one continuous operation) shall be fully described. 4.~.2 Forming and groutinR or sealing ducts or ~roovcc; shall be measured in running metres fully describing size and other particulars of sleeves ( or aheathing), temporary supports required in formation of ducts and composition of grout . ...... 3 Forming and grouting the air-holes at ends) middle or sides or in any other position of ducts shall be included in the devcription of item. 4.4.4 Filling.n the jacking or anchoring recesses shall be described stating finish to exposed surface or filling and measured separately in cubic metres. t.t.5 Supplying, fixing and tensioning steel wires Istrands jor cables (measured between anchorages ) shall he measured in kilograms stating ultimate strength and proof stress and size of wire or cable. Each size shall be measured separately, No allowance shall be made for extra lengths in anchorages or elsewhere. The number of strands in each cable» type of central core, and type of sheathing if any to wires shall be stated. De-greuinp. straightening, cutting to lengths and assembling wires and cables, cones, wedges, anchor-plates, spacers. distance pieces and other expandable items shall be deemed to be included with main item. t.5 P .... r ...... CoDerea. - Preca8t - Prestressed concrete precut worb shall be fully described. • .5.1 Formwork or moulds for precast units and for forming anchorage pockets ahan be deemed to be included with items. 4.5.2 Precast units shall be enumerated stating number, size, length, method of fixing and bedding. Unless otherwise stated, hoisting, tranl- portation, auembly and setting in position shall be included in item. The cluaification shall be as follows: a) Pre-tensioned in the mould; b) POit-tensioned on ground after casting; c) Cut in section, assembled and post-tensioned before erection; d) POit-tensioned after hoisting but capable of self-support; e) Cut in sections for assembly in iiII' and post-tensioned after erection; and f) PCllt-tenaioned after hoiltins but requiring support until teDlion- inI it completed. 11
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IS I 1200 ( Part II ) • 1974 ".5.3 Cores, wires, strands and cables for post-tension members shall be measured as in 4.4.5. In case of pre-tension members, these items shall be included in the main item. 4.6 Mi8ceUaaeoas Items 4.6.1 Expansion Jo;nt~f - Expansion joints in floors, roofs and walls shall be described as including all formwork and labour necessary to form joint and shall be measured iQ running metres stating depth and width of joint. Alternatively, these may be measured in square metre stating the width of the joint.
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