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145Dy.Ex. Engr.Table 900-2 Maximum permitted number of surface irregularitiesIrregularitySurface of carriageway andpaved shouldersSurface of Lay bays, servicesAreas and all bituminous baseCourse.4 mm. 7mm. 4mm. 7 mm.Length (m) 300 75 300 75 300 75 300 75NationalHighwayExpresswaysRoads of LowerCategory20 9 2 1 40 18 4 240 18 4 2 60 27 6 3Category of each section road as described in the contract.The maximum allowable difference between the road surface and underside of a 3 m.straight edge when placed parallel with , or at right angles to the center line of theroad at points decided by the Engineer shall be.For Pavement surface ( Bituminous and cement concrete)For Bituminous base coursesFor Granular Sub-base coursesFor Sub-base under concrete Pavements3 mm.6 mm.8 mm.10 mm.902.5 RectificationWhere the surface regularity of sub-grade and the various pavement coursesfall outside the specified tolerances, the contractor shall be liable to rectify these in themanner described below and to the satisfaction of the Engineer.Bituminous Construction :- For bituminous other than wearing course,where the surface is low , the deficiency shall be corrected by adding fresh materialover a suitable tack coat if needed and recompacting to specifications. Where thesurface is high , the full depth of the layer shall be removed and replaced with thefresh material and compacted to specifications.Abstract from Standard Specifications for Roads and Bridges of Government ofMaharashtra.Rd.33Picking the road surface including sectioning completeRd.33.1 General : The item provides and sectioning of the road surface forreceiving the new metal surface.Signature of Contractor No. of corrections Executive Engineer