rough cost estimate for repair and maintenance work at ward no 4 mc bawani khera--1. [10.77]providing and laying 80mm thick factory made cement concrete interlocking paver block of m -35 grade made by block making machine with strong vibratory compaction, of approved size, design and shape, laid in required colour and pattern over (bis 15658:2006) and including 60mm thick compacted bed of coarse sand, filling the joints with line sand etc. all complete as per the direction of engineer-in-charge. [through rate] 2. [13.30.2]steel work in built up tubular (round, square or rectangular hollow tubes etc.) trusses etc., including cutting, hoisting, fixing in position and applying a priming coat of approved steel primer, including welding and bolted with special shaped washers etc. complete. 2. hot finished seamless type tubes [through rate 3. [17.15.3]granular sub-base with coarse graded material - grading-i or ii or iii (table:- 400-2) construction of granular sub-base by providing coarse graded material, spreading in uniform layers with motor grader on prepared surface, mixing by mix in place method with rotavator at omc, and compacting with vibratory roller to achieve the desired density, complete as per clause 401.of mortandh specifications 3. grading iii material [through rate] 4. [17.5.3]compacting original ground 3. compaction of earthwork compaction of & preparation of sub grade including loosening, levelling of earth 225 mm thick top layer, rough dressing of soil, final dressing of earth to give level, camber, watering, rolling with road roller, compacting the bed to achieve minimum dry density as given in the table 3000-2 as per technical clause 305 of mort&h specifications [through rate] 5. [17.70]removal of existing ipb by manual means and disposal of dismantled material with all lead and lift as per technical specification clause 202.3. [through rate]