Emergency Repairs to Gumlapur-Sirikonda road from Km 1/0 to 2/0 (In Gumlapur Village Limits) in Jagtial District

Part A1: Road Work

Dismantling of Structures (superstructure, substructure, foundation and other miscellaneous structures) and pavements including disposing of resulting materials and/or salvaging useful materials up to a distance of 1 km from project road complete as per Drawings and Technical Specification Clause MoRT&H 202 and as directed by the Engineer.(By Mechanical means in Cement Concrete grade M-15 & M-20)

Construction of Granular sub-base by providing HBG material confirming to Grading - VI of MoRT&H Table 400-1 including cost, (excluding seigniorage charges) and conveyance of all materials to work site and spreading in uniform layers with motor grader or by approved means, on prepared surface mixing by mix in place method with Rotavator / approved means at OMC and compacting with vibratory roller to achieve the desired density etc., complete for finished item of work as per MoRT&H Specification 401 (5th revision) and as directed by the Engineer-in-charge.

Providing, Laying, Spreading and compacting graded HBG crushed stone aggregate to Wet Mix Macadem specification including cost of all materials and including premixing the material with water at OMC in Mechanical mix plant carriage of mixed material by tipper to site, laying in uniform layers with paver in base courses on well prepared surface and compacting with Vibratory roller to acheive the desired density etc., as directed by the Engineer-in-Charge and as per MoRT&H specification 406 (5th revision) for finished item of work.

Providing and aplying Prime coat with bitumen emulsion (Slow setting SS1) bulk using emulsion pressure distributor on prepared surface of Granular base including cleaning of road surface and spraying emulsion at the rate of 0.70 Kg/sqm using emulsion pressure distributor for finished item of work as per MoRT&H specification 502 (5th Revision) and as directed by the Engineer - in charge.

Providing and applying tack coat with bitumen emulsion (Rapid settting-I) (Bulk) using Emulsion pressure distributor at the rate of 0.20 kgs per sqm on the prepared bituminous/granular surface cleaned with mechanical broom for finished item of work as per MoRT&H Specification 503 (5th revision) and as directed by the Engineer-in-Charge..

Providing 30 mm thick compacted Bituminous Concrete with 100-120 TPH Batch mix plant using HBG crushed aggregates of Grading – 2 as per table 500-17 of specification 507 of MoRT&H (5th revision), premixed with bitumen VG-30 grade @ 5.4% of mix and Hydrated lime, transporting the hot mix to work site, laying with full width paver to the required grade, level and alignment, rolling with smooth wheeled, vibratory and tandem rollers to achieve the desired compaction as per MoRT&H Specification 507 (5th revision) complete for finished item of work in all respects as directed by Engineer-in-Charge

Construction of earthen shoulders with selective soils obtained from borrow pits with MDD of 18 KN/Cum , CBR ≥ 10%, PI < 18% from approved sources, grading and consoilidation with 8 to 10 Tonnes Vibratory Road Roller @ OMC to meet requirement of MoRT&H, including all hire and operational charges of T&P complete for finished item of work as per MoRT&H specification 305 (5th revision)