Nota the grounddatum levellball be dcfided in each

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NOTa- The ground/datum levellball be dcfiDed in each cue. 3. LIME CONCRETE AND MUD CONCRETE 3.1 Works of lime concrete and mud concrete shall be fully described apd measured in cubic metres. 4. CEMENT CONCRETE WORKS 4.lo.aenJ ~1.1 Concrete works shaD be measun:d under the following categoria. Works in plain/reinforced/pratrelled concrete ahall each be mcaaurcd 5
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JaII_(Pan 0)-117. separately. Works in precut ucl cut ill Ii". CODcrete mall be kept separate: .) Bridgesj b) Dams and spillways; c) BarraSJes and wein; d) Canal works; e) Tunnels and shafts; f) Harbour. docks and marine works; g) Special structures, such as power house, overhead water reservoir. C'himneys and shafts, towen, silos and similar other structural; h) Buildings; and j) Other ltructures not covered by <a> to (h) above. ~ 4.1.2 Uniu cif M,lUM,"""" - Unless otherwise atated all concrete work shall be measured in cubic metres. 4.1.3 Formwo,k - Unless otherwise stated formwork abalI be meuured separately under IS: 1200 ( Part V)-1972-. ~.1.4 Finisllls - Fair finishing of exposed lurfaces or concrete including hacking or roughening surfaces of concrete shall be included in the dacrip- tion. Special finisbes other than those obtained through fonnwork ahall be 10 described and measured separately in aquare metres. 4.1.5 RIi"/o"",,.,' - Unless otherwise ltated reinforcement .hall be meuured separately [SI' IS: 1200( Part VIII )-1974f]. Where concrete and reinforcement are measured u a compolite item they shaD be fully cleIcribeci indicatiDI that supply of reinforcement is included in the item; in such casa items identical in other respects but varyiDl in reinforcement IbaII be meuured aeparately. t.I.1 Si*w c..r.,. - Concrete p-oceIIOd in .pecial lIWUler, luch u cooled, heated, ceUuIar, expaaaive and heat resiatilll ahall be ruDy cleIcribed _ .... ured -=parate&y •• 1.7 AU plain, rebated. sroovecl. lockiDI aDd toapedjoiatl ahaI1 be iD· eluded in the cleIcriptioD. t.IA No cIecIucdoaIlhail be made Cor the fOIIowiaI: a) BadI ~ diMimilar materials Cor example, beamt, poID, pnIen, raft... purIiM, -. corbell ad I&epI up to 500 em' ill CI'C*- IeCtion, ........ 01 _ 01 ...... aad ciWU ....... woda: Part V ...... (..., ). t 11111e fII .................... II ....... : Part vln ........ ...... (1IttH ). ,
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II. 1200( Part D ) • I". b) Opening up to 0-1 m l or as specified; c) Volume occupied by reinforcement; d) Volume occupied by pipes, conduits, sheathing, etc, not exceediDB 100 em' each in cross-sectional area or as specified; e) Small voids, such u the shaded portions in Fig. I, when these do not exceed 40 em' each in cross-section; f) Moulds, drip moulding, chamfers, splays rounded or coved angles, beds, grooves and rebates up to 10 em in width or 15 em in girth: and g) Stops, mitres, returns, rounded ends, junctions, dishings, etc, in connection with linear or super labours, NOTa- In calculatinl area of an opening. the thickness of any separate lintel or sill .han be included in the heigbt. No extra labour for forming such openinp or voids ahall be meuured.
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