Formation of approaches for minor bridge at km 4 / 0-2 Mulugu - Bhuddharam road in Mulugu District

Forming embankment with borrowed useful earth (Selected earth with a lead of 10.0km) from outside road boundary by mechanical means upto SDR with all leads and lifts including pre-watering of soil at borrow area, removal of top soil, excavation of soils at borrowed area, conveyance of soil, depositing the soil on the embankment, spreading soil, breaking clods, sectioning, grading and consolidation with 8 to 10 Tonnes Vibratory Road Roller @ OMC to meet requirement of table 300-2 of MoRT&H, including all hire and operational charges of T&P and seigniorage charges, complete for finished item of work as per MoRT&H specification 305 (5th revision) (Payment will be made based on level for finished item of work). For Shoulder only -

Construction of Granular sub-base by providing HBG material confirming to Grading-VI of MoRT&H Table 400-1 including cost 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. (Payment will be made based on levels for finished item of work ).

Providing, Laying, Spreading for a compacting graded HBG crushed stone aggregate to Wet Mix Mechadam specification including premixing the material with water at OMC in mechanical mix plant carrige of mixed material by tipper to site, laying in uniform layers with paver in base course on well prepared surface and compacting with Vibratory roller to achieve the desired density etc., as derected by the Engineer-in-charge and as per MORT&H specification 406 (5th revision) for finished item of work.(Payment will be made based on levels for finished item of work).

Providing and applying Prime coat with bitumen Emulsion (Slow setting/Bulk) using emulsion pressure distributor at a rate of 0.70kg/sqm on a prepared surface of granular base including cleaning of road surface, the finished item of work as per MoRTH specification 502 (5th revision).

Providing and applying tack coat with bitumen VG-10 grade using bitumen 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 and laying 40mm compacted Bituminous Concrete with 100-120 TPH batch type hot mix plant/40-60TPH hot mix plant using HBG crushed aggregates of Grading-3 as per table 500-7 of specification 507 of MoRTH (5th revision), premixed with bitumen VG-30 grade @ 5.4% of mix and filler including cost and conveyance of all materials to work site and transporting the hot mix to work site, laying with mechanical paver finisher to the required grade, level and alignment, rolling with smooth wheeled, vibratory and tandom rollers to achieve the desired compaction as per MoRTH specification 507 (5th revision) complete and as directed by the Engineer-In-Charge.

Providing rough stone revetment 300 mm thick using 300mm size rough stonevariety including cost, and con-veyance of all materials tosite, labourcharges etc., complete for finished item of work as per MoRT&H Specification no. 2504 pg 522

Providing grouted rough stone revetment 300 mm thick with 300mm size rough stone grouted with 0.20 Cum.of C.C.1:4:8 mix using 40mm size HBG metal / chips (SS5)graded includingcost, conveyance ofall materials to site, labour charges curing etc. complete for finished item of work as per MoRT&H Specification no. 2504 pg 331,522