Sampling for Testing: 5.1 The paver blocks required for carrying out the tests laid down in thisstandard shall be taken by one of the methods given in 5.2 and 5.3 In either case, a sample of 20 blocksshall be taken from every consignmentof 4000 blocksor part thereof of the same size, shape and thickness, and the same batch of manufacture.įrom these samples, the blocksshall be taken at random for conductingthe tests. Minor defects in the form of chippings, resulting from the customary methods of handling during delivery, not larger than 10 mm in not more than 5 of consignmentshall not be deemed grounds for rejection. Irc Sp 63 2004 Free Of CracksĪll paver block, shall be sound and free of cracks or other visual defects which willinterfere with the proper paving of the unit or impairthe strength or performance of the pavement constructed with the paver blocks. The testing charges payable ifany shall be borne by the contractor.3.0 Unless otherwise specified in the nomenclature of items or in the drawing the concrete paving block, shall conform to the grade(s) as specified in Table 1 hereunder for various uses. The engineer-in-chargereserves the right to inspect the manufacturingplant, manufacturingprocess and to collectthe samples at factory or work srte and get it tested in the Laboratoryof his choice to his entire satisfaction.

The approvalshall be obtained from the engineer-in-chargein writingwellbefore the procurementaction by the agency. SPECIFICATIONS FOR INTERLOCKING CONCRETE BLOCKPAVEMENT 1.0 The interioclOng concrete blocks for the pavement shall be procured of the approved shape, size and colour from the reputed manufacturers having facilitiesof productionof design mix concrete, vibro-compactingmachineof required specification and well established laboratory for conducting the required tests. The same have been draftedcompiled and sent herewith for incorporating in future NITs and quality control tests etc.may be followed meticulously.Įnd: - As above( to 20) CHIEF ENGINEER (QC)1.DDA.Ĭopy to:1 2 3 (ErA,p r ) 4 5 OSD to VC, DDA for kind information of the latter.ĭirector (MM). Guidelines for the use of interlocking concrete block pavementshas been published by Indian Roads Congress which can be referred by the FieldPlanning Units for reference and guidance.įurther, in order to avoid contractual problems EM, DDA desired to compile specification for interlocking concrete block pavements and test procedure etc.

Now, IRC Special Publication 63-2004 i.e.

Irc Sp 63 2004 Pdf