Chennai Metropolitan Development Authority Tender

Supplying and laying to required line and grade as per the drawing cement concrete grass paver blocks of M 30 grade 60 mm thick laid over the Mixing of Red Earth, sand and manure cushion of 100mm thick. The size and the shape of the concrete blocks had to be approved before sourcing / manufacturing the same. The aggregate used for the manufacture of the grass paver blocks shall be sound and free from soft apiecces. The proportion of the coarse aggregate in the mix is typically 40 percent and the fine aggregate shall be 60%. The size of the coarse aggregate should lie between 6mm and 12mm and the gradation should be in the recommended range for cement concrete mixes in general. The paver blocks shall be compacted using a light tandem roller or plate compactor till the required grade and line is achieved. The rate shall include cost of Paver blocks , Cost of red earth and Manure mixing, laying of paver blocks, leveling, loading & unloading, Transportation and labour charges etc., complete complying with standard specifications and as directed by the Engineer-in-charge