Delhi Development Authority Tender

Cold milling of existing bituminous layer upto depth of 100 mm by milling machine to make uniform surface with required slope/camber without disturbing the base layer, cleaning the surface after cold milling, removable/cleaning/brooming of the surface and removing left out material, loading the milled material into tippers and removing/disposal to hot mix plant or any other approved dumping location including loading unloading, all leads lifts and etc. all completes as per directions Engineer in Charge. Manual milling will be permissible only with the approval of Engineer-in-Charge, where mechanical milling is not possible. Any camber correction, if required in the pavement should be taken care of during milling only and nothing extra will be payable on this account. Area and laid compacted thickness shall be measured for calculating volume of bituminous layer on the basis of level.

Providing and laying in position cement concrete of specified grade excluding centering and shuttering - All work up to plinth level 1:3:6 (1 cement : 3 coarse sand (zone-III) derived from natural sources : 6 graded stone aggregate 40 mm nominal size derived from natural sources.

Demolishing cement concrete manually/ by mechanical means including disposal of material within 50 metres lead as per direction of Engineer-in-charge. A) Nominal concrete 1:3:6 or richer mix (i/c equivalent design mix)

Providing and applying 2.5 mm thick road marking strips (retro- reflective) of specified shade/ colour using hot thermoplastic material by fully/ semi automatic thermoplastic paint applicator machine fitted with profile shoe, glass beads dispenser, propane tank heater and profile shoe heater, driven by experienced operator on road surface including cost of material, labour, T&P, cleaning the road surface of all dirt, seals, oil, grease and foreign material etc. complete as per direction of Engineer-in-charge and accordance with applicable specifications.

Providing and fixing Glow studs of size 100x20 mm made of heavy duty body shall be moulded ASA (Acrylic styrene Acryloretrite ) or HIP (High impact polystyrene) or ABS having electronically welded micro- prismatic lens with abrasion resistant coating as approved by Engineer-in-charge. The glow stud shall support a load of 13635 kg tested in accordance with ASTM D4280. The slope of retro- reflective surface shall be 35 (+/- 5) degress to base .The reflective panels on both sides with at least 12 cm of reflective area up each side. The luminance intensity should be as per the specification and shall be tested as described in ASTM I: 809 as recommended in BS: 873 part 4 : 1973. The studs shall be fixed to the Road surface using the adhesive conforming to IS, as per procedure recommended by the manufacturer complete and as per direction of Engineer-in-charge.

Credit for salvage value of the milled bituminous concrete material received from cold milling shall be taken over and removed from the site by the contractor as per direction of Engineer-in-charge.

Disposal of building rubbish/ malba/ similar unserviceable, dismantled or waste materials by mechanical means, including loading, transporting, unloading to approved by Engineer-in-charge, beyond 50 m initial lead, for all leads including all lifts involved.

GSTcorrection(0.973)except item no 4 = 269469567.94

Cost Index@3% except Item 4