Improvements to Kalyam - Srirangapuram road from Km 0/0-2 to 5/5-6 in Anantapuramu District

Scarifying the existing B.T surface to a depth of 50 mm by Mechanical means and disposal of scarified material with all leads and lifts upto 1000 Mtrs as per MoRT&H (5th Revision) Specn. No.305.4.3

Construction of Granular sub-base by providing HBG material confirming to Grading - V 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.

Providing, Laying, Spreading and compacting graded HBG crushed stone aggregate to Wet Mix macadem specification ( 5th Revision) as per Table 400-13, 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 manuvally 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 applying prime coat with bitumen emulsion (SS1) Bulk using emulsion pressure distributor on prepared surface of granular base including clearing of road surface and spraying emulsion at the rate of 0.70 kg/sqm using emulsion pressure distributor for finished item of work etc., complete as per MoRT&H Specification 502 (5th revision) and as directed by the Engineer-in-charge

Providing and applying tack coat with bitumen VG-10 (Bulk) using Bitumen pressure distributor at the rate of 0.25 kgs per sqm on the prepared Granular surface treated with primer 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 , laying of close graded premix surfacing material ( Mixed seal surfacing) of 20 mm thickness by hot mix plant using hard blasted granite crushed aggregates of 13.2 mm to 0.09 mm (Type 'B') as per table 500-19 of specification 508 of MoRT&H (5th Revision), premixed with bituminous binder VG-30 (60/70) grade @ 19.00 Kg per 10 Sqm area, including cost of all materials and transporting the hot mix to work site, laying with mechanical paver finisher to the required grade, level and alignment, rolling with smooth wheeled roller 8 to 10 Tonnes as per MoRT&H (5th Revision) Specification No. 508 complete for finished item of work in all respects as directed by Engineer-in-charge.

Providing Dry lean cement concrete Sub-base over a prepared sub-grade with coarse and fine aggregate conforming to IS: 383, the size of coarse aggregate not exceeding 25 mm, aggregate cement ratio not to exceed 15:1, aggregate gradation after blending to be as per table 600-1, cement content not to be less than 150 kg/ cum, optimum moisture content to be determined during trial length construction, concrete strength not to be less than 10 Mpa at 7 days, mixed in a batching plant, transported to site, laid with a paver with electronic sensor/manual means without Paver, compacting with 8-10 tonnes vibratory roller, finishing and curing complete for finished item of work as per MoRT&H (5th Revision) specification 601 and as directed by the Engineer-in-Charge for base coarse below CC Pavement.

Construction of un-reinforced, dowel jointed, plain cement concrete pavement over a prepared sub base with 43 grade cement @ 400 kg per cum, coarse and fine aggregate conforming to IS 383, maximum size of coarse aggregate not exceeding 25 mm, mixed in a batching and mixing plant as per approved mix design, transported to site, laid with a fixed form or slip form paver, spread, compacted and finished in a continuous operation including provision of contraction, expansion, construction and longitudinal joints, joint filler, separation membrane, sealant primer, joint sealant, debonding strip, dowel bar, tie rod, admixtures as approved, curing compound, finishing to lines and grades as per drawing complete for finished item of work as per MoRT&H (5th Revision) specification 1500,1700 & 602 (5th Revision) and as directed by the Engineer-in-Charge

Earthwork excavation in soils upto SDR by mechanical means for foundations of structures as per drawing and technical specification including setting out, construction of shoring and bracing, removal of stumps and other deleterious matter, dressing sides of bottom, back filling the excavation earth to the extent required etc., complete including seignioarge charges for finished item of work as per MoRT&H specification 304(5th Revision) and as directed by the Engineer-in-Charge

Providing Vibrated Cement Concrete (1:3:6) mix using 40mm size HBG crushed stone aggregate and fine aggregate conforming to table 1000-2 of MoRT&H including cost, conveyance of all materials to site and labour charges, centering, machine mixing, laying, Vibrating, curing etc., including all other incidental and operational charges of all T&P etc., complete for finished item of work as per MoRT&H specification 1500,1700, 2100 (5th Revision) and as directed by the Engineer-in-Charge for foundation

Providing Vibrated Cement Concrete (1:3:6) mix using 40mm size HBG crushed stone aggregate and fine aggregate conforming to table 1000-2 of MoRT&H including cost, conveyance of all materials to site and labour charges, centering, machine mixing, laying, Vibrating, curing etc., including all other incidental and operational charges of all T&P etc., complete for finished item of work as per MoRT&H specification 1500,1700, 2200 (5th Revision) and as directed by the Engineer-in-Charge for Bodywalls

Providing, laying Reinforced cement concrete Hume pipes of 800 mm Dia., NP-4 class for pipe culverts including cost and conveyance of Pipes etc., complete and Labour charges for laying, jointing of 800 mm dia. R.C.C Hume pipes in position including lifting, aligning, lowering and hoisting etc., as per drawing and as per MoRT&H Specification 2900, 2905 and 2906 (5th Revision) and IRC Special Publication No: 13 and as directed by the Engineer-in-Charge for finished item of work.

Forming embankment with borrowed useful earth 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 , complete for finished item of work as per MoRT&H specification 305 (5th revision)