Development Work of Plot No . I-04, F-14, F-15 and F-19 in Sector-22D YEIDA WC-2

Earth work in excavation by mechanical means (Hydraulic excavator) / manual means in foundation trenches or drains (not exceeding 1.5 m in width or 10 sqm on plan), including dressing of sides and ramming of bottoms, lift upto 1.5 m, including getting out the excavated soil and disposal of surplus excavated soil as directed, within a lead of 50 m.All kind of soil. Depth 0 to 1.50 mtr

Consolidation of sub grade with power road roller of 8 to 12 tonne capacity after excavating earth to an average of 22.5 cm. depth, dressing to camber and consolidating with road roller including making good the undulations etc. and re-rolling the sub grade and disposal of surplus earth lead upto 50 metres.

Supplying and Stacking at site.. 90 mm to 45 mm size stone aggregate. (SOR 18/16.3.1)

Supplying and Stacking at site.. 63 mm to 45 mm size stone aggregate. (SOR 18/16.3.2)

Supplying and Stacking at site.. 53 mm to 22.4 mm size stone aggregate. (SOR 18/16.3.3)

Supplying and stacking at site Moorum (SOR 18/16.3.10)

Laying spreading and compacting stone aggregate of specified sizes to WBM specifications including spreading in uniform thickness, hand picking, rolling with 3 wheeled road / vibratory roller 8-10 tonne in stages to proper grade and camber, applying and brooming requisite type of screening / binding material to fill up interstices of coarse aggregate watering and compacting to the required density SOR-18/16.4

Providing and applying primer coat with bitumen VG-10 on prepared surface of granular base including clearing of road surface and spraying primer at the rate 0.60 kg/SQM using mechanical means.

Providing and applying tack coat With bitumen VG-10 pressure distributor at the rate of 0.25 kg per sqm on the prepared bituminous/ granular surface cleaned with mechanical broom.MORTH/503(UPPWD/SOR-2020)

Close Graded Premix Surfacing/Mixed Seal Surfacing Providing, laying and rolling of open - graded premix surfacing of 20 mm thickness composed of 11.2 mm to 0.09 mm (Type-a) or 13.2 mm to 0.09 mm (Type-b) aggregates using Viscocity grade bitumen to required line, grade and level to serve as wearing course on a previously prepared base, including mixing in a suitable hot mix plant of appropriate capacity not less than 200 tonnes/hour, laying and rolling with a smooth wheeled roller, finished to required level and grades.