425 concrete casing to beams and steel stanchions

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4.2.5 Concrete Casing to Beams and Steel Stanchions 4.2.5.1 Concrete casing to steel joists or beams, steel stanchions, etc, shall be measured in cubic metres. 4.2.5.2 Volume occupied by joists shall not be deducted except in the case of boxed stanchions or girders, in which case boxed portion only shall be deducted. 4.2.6 Surface Channels 4.2.6.1 Concrete in channel shall be measured in cubic metres. Volume of channel shall be deducted from the concrete. Where shape of cross-section is found, elliptical or oval, area of section shall be taken as three-fourth of the width at top, multiplied by average depth at centre. 4.2.6.2 Forming channels in concrete shall be measured in running metres and inner girth stated. 4.2.6.3 Channel, finished fair or formed in spade finish to receive lining of brick, concrete or stone, etc, shall be measured separately. 4.3 Relarorcecl/PlaiD Coaerete-Preea.t - Precast concrete works shall include use of mould, finishing races and supply of reinforcement as des- cribed. tvlix and ingredients of setting mortar, providing and fixing inserts, if required, for fixing at site and finishing shall be stated. Alterna- tively, reinforcement may be measured separately. Unless otherwise stated hoisting and setting in position shall be included in item. The work shall be classified and measured as indicated in Table 1. Each item of work shall be fully described. 9
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.1. 1_ ( Part II ) • 1974 TABLE I l\fEASUREMENT REINFORCED/PLAIN CONCRETE - PRECAST COMPONENT (Cltuu, •• 3 ) (I) (2) SL No. CIASlIFICA110N i) Wall pan ..l, floor/roof s1ab~ ii) !kama unit and columns, trusses, etc iii) Channel unit and purlins iv) String or lacing courses, copings, bed plates. anchor blocks, plain windo\v sills, shelves louvers, Iteps, staircases, etc v) Kerbs, edgings, etc vi) Solid blockwork vii) Hollow blockwork viii) Lilht weight partitions ix) Door/\vindo\v framM x) Warne units xi) Water tank xii) JALLIES xiii) Fencing post! (!) MaTHOD or MIAlua ... &NT In square metres In runninl metres or numben In running metres or Dumber. In runninl metres or numben In running metres or num~n In cubic metres or square metre. In cubic metres or square metres J n square metres ItatinK the thicknels In running metres statinl the lize In square metres or numben In numbers In square metres of openinl filled Ita ting thickness In numbers or cubic metres 4.3.1 Plain and moulded work shall be measured separately, 4.3.2 Any finishing work on precast component shall be fully described and measured separately in square metres. 4.3.3 F,,,cing Posis 4.3.3.1 Concrete fencing posts, corner posts, straining or terminal posts and struts shall be classified according to size as follows: a) Those having an average sectional area not exceeding 100 emit b) Those having an average sectional area exceeding 100 em l but not exceeding 250 em l , and c) Those of an average area over 250 em l 4.3.3.2 The item shall include forming of chamfered or rounded angles, and flat splayed, rounded or mitred tops. Holes for wire or naila and/or buildini in fastenings shall also be included.
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  • Summer '18
  • Naveen
  • Civil Engineering, ......, concrete works, square metres, cubic metres

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