SKILLED LABOUR. Skilled labour should be employed for laying blocks to ensure line and level of pavers, desired shape of the surface and adequate compaction of the sand in the joints.
SKILLED LABOUR. Skilled labour should be employed for laying blocks to ensure line and level of pavers, desired shape of the surface and adequate compaction of the sand in the joints. The rubber mold C C Precast interlocking paving block of approved quality 80 mm thickness, Grey Color and of M-40 And/Or M-30 Grade with concreting 1:2:4 and design shall be supplied by RMC. The bedding of black stone sand of interlocking block shall be done and the interlocking block shall be fixed hard on it in line and level. The contractor shall have to purchase the block of ISI Mark from the market and same shall have to be got approved from Rajkot Municipal Corporation. The rate for this work shall be paid on one square meter basis. Leveling of House Connection chamber as per the type design in brick masonry in C:M 1:6 and outside and inside plastering in C:M 1:3 necessary coping in CC M20 etc. complete with curing, providing and fixing safety chain wherever necessary as per the stipulations in the type design complete, including removing of rubbish and site clearance. House chamber road level work etc comp. shall have to be carried out from the road level as per the instructions of engineer in charge. During the work, dismantling of asphalt/concrete, Excavation, masonry, plaster, Coping of frame cover, road level finishing, removing of rubbish from chamber and lifting of additional rubbish etc. is to be carried out and complete the whole work to the satisfaction of engineer in charge. The rate for this work will be paid per chamber. Precast RCC Circular Frame and cover of 20 Ton capacity round of 600 mm dia. SHAPES AND DIMENSIONS The percent concrete manhole covers and frames shall be of any shape given. The dimensions and tolerances on dimensions of frames shall be as shown in Table-1 but outside dimensions of cover at top shall match with the corresponding frame so that the maximum clearance at bottom between the frame and the cover all round the periphery is not more than 5 mm and the top surface of the frame and cover is in level within a tolerance of □5 mm. For facility of removing the cover from the frame, suitable taper matching with taper given for the frame shall be provided to the periphery of the cover (See Fig.1). Fig.1 - Typical Illustration of Circular Precast Concrete Manhole Cover All dimensions in millimeters