Kolkata Municipal Corporation Tender

SUPPLYING AND LAYING IN THE SPECIFIED PATTERN OF INTERLOCKING CONCRETE BLOCK PAVEMENTS (ICBP) WITH CONCRETE BLOCKS ( WITH CONCRETE GRADE AS SPECIFIED AS PER TABLE OF IS 15658 : 2006) MANUFACTURED FROM BIS LICENSEE MANUFACTURER, WITH SPACER NIB (SMALL PROTRUDING PROFILES AND THE VERTICAL FACE OF OF A PAVER BLOCK USED AS A DEVICE FOR KEEPING MINIMUM JOINT GAP IN BETEEN THE PAVING BLOCKS, AS PER CL. NO. 3.26 OF IS : 15658) AND  OF SPECIFIED SIZE AND SHAPE WITH ASPECT RATIA ( THE RATIO  OF LENGTH TO THICKNESS OF A PAVER BLOCK, AS PER CL. NO. 3.3 OF IS : 15658) AS PER TABLE 2 PF IS : 15658WITH FLEXURAL STRENGTH / BREAKING LOAD AS PER ANNEXURE G OF IS : 15658, ON THE PREPARED BASE COURSE OF SPECIFIED CBR AS PER TABLE 1 OF IRC SP: 63 (2018) OR ELSE AS MENTIONED IN DESIGN AND DRAWING WITH A COUSION OF COMPACTED BEDDING  SAND OF25-35MM THICK ( GRADING OF THE BEDDING SAND AS PER CLAUSE 6.5.1 OF IRC SP-63) AND FILLIN UP THE GAPS IN BETWEEN PAVER BLOCKS WITH JOINT FILLING SAND (THE GRADING OF THE SAND WILL BE AS PER CLAUSE 6.5.2 OF IRC SP-63)AND COMPLETING THE EDGES WITH CUT BLOCKS AS PERCL.NO. 8.7 OF IRC SP-63 (2018) WITH PROPER CONFINEMENTOF BEDDING AND JOINT FILLING SAND,COMPACTION , LEVELLING AND FILLING UP OF THE EDGE GAP.

Laying of interlocking Paver Blocks as per approved design over 20-30mm th medium yellow sand bed with true to line,lavelling,proper compaction with vibrator etc. with jointing with kerb/edge should be made with Cement Concrete (1:2:4)etc. as per the direction of the Engineer-in-charge and including cost of materials,labour etc. complete

Supplying, spreading and compacting Sand to required thickness, in layers not exceeding 150 mm to proper gradient and camber, inundating each layer by water and packing and ramming layer by layer to achieve desired compaction, including lighting, guarding, barricading and making adequate earthen bundh where necessary, curing with water as per direction, mending cracks and depressions by ramming wherever necessary. Note:- Add cost at site of the materials to arrive at the complete rate. The compaction factor for dry, clean sand may be taken as 0.835. (The payment is to be made on the basis of finished compacted volume). (c) For Silver Sand