SPECIAL REPAIRS TO ROAD AND FOOTPATH INSIDE THE DAD RESIDENTIAL COMPLEX, PALLURUTHY FOR AAO(N) UNDER GE FORT KOCHI

Scarifying or picking gravelled macadam or bituminous macadam surfaces in area not exceeding 400 Sqm for depth not exc 50mm, complete all as specified and as directed.

Material and labour for providing and laying Dry lean Concrete (DLC) 100 mm thick of aggregate gradation as per Table 1 of SP 49:2014 having 7 day average compressive strength not less than 7 MPa Minimum cement content not less than 140 Kg/Cum DLC mixed in Batching Plant, transported to site and laid by electronic sensor paver including spreading and compacting using high amplitude tamping bars of paver (initial compaction) further by double drum smooth wheeled vibratory rollers with 80-100 KN static weight to achieve minimum dry density not less than 98% of maximum Dry Density, necessary finishing etc. complete all as specified and tolerances to be as per Table 900-1 of MaRTH specifications of Road and Bridge work 2013 and as directed by Engineer-in-Charge.

Pavement quality concrete(PQC) of minimum 28 days field Flexural strength of 45Kg/ Sq cm or 4.5 Mpa, aggregate gradation as per Table 3 of IRC 15 2017, coarse aggregate of clean, hard strong, dense non-porous and durable pieces of crushed stone o gravel, fine aggregates of clean natural sand o crushed stone sand or combination of both using minimum 360 kg/cum of cement with non-circular virgin synthetic fibre of 12-18 mm length, specific gravity 1.34 to 1.39, UV stable, alkali resistant, with equivalent dia 15-40 micron, minimum melting temperature as 240°C and minimum tensile strength of 300 Mpa and at the rate as specified by the manufacturer. PQC laid, spread and compacted with slip-form paver of minimum 7.50 m width, including curing and tinning by Texturing cum Curing Machine complete all as specified and directed. Required surface texturing to be done as specified in Clause 10 1 14 and Table 9 of IRC' 15-2017.

Forming 12mm thick Expansion joints filled with pre-formed bituminous filler and top 30mm primed and sealed with sealing com pound, Grade ‘A’ complete all as specified and as directed.

Finishing surface of concrete roads, pavements, by brooming complete all as specified and as directed.

Dismantling floor, hearth or wall tiling including cement mortar bedding (but not backing), removing serviceable tiles to store and rubbish off the premises complete all as specified and as directed.

Material and labour for chequered cement concrete tiles 20cm x 20cm x 25mm thick, with white cement and pigments, set, jointed and pointed in neat cement slurry in floors including 20mm thick screed bed or bedding in CM 1:6 for laying floor finishes complete all as specified and as directed.

Material and labour for Providing, cement concrete 1:2:4 type B-1 (using 20mm graded crushed stone aggregate) in kerbs or mud stops, rounded or chamfered on edges, complete all as specified and as directed.