Improvements to Kadapa - Porumamilla road (SH056)from Km 81/0 - 83/0 in YSR Kadapa 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

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 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 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 0.20 kgs per sqm on the prepared bituminous 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 of 30 mm thick Bituminous Concrete with 100 - 120 TPH batch type hot mix plant producing an average output of 75 tones per hour using hard blasted granite crushed aggregates of Grading – II as per Table 500-17 of specification 507 of MoRT&H (5th revision), premixed with Bituminous binder of VG 30 Grade @ 5.4 % of mix and filler, transporting the hot mix to work site, laying with hydrostatic sensor paver finisher 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

Earthwork excavation in soils upto SDR by mechanical means including trimming bottom and side slopes in accordance with requirements of lines , grades and cross sections etc., complete for finished item of work for trench cutting as per MoRT&H specification 301(5th Revision) and as directed by the Engineer-in-Charge

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 Vibrated Cement Concrete (1:4:8) 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 base coarse below CC Pavement

Vibrated cement concrete M 35 grade using 20mm & 10mm HBG crushed stone aggregate (Coarse aggregate conforming to table 1000-1 and fine aggregate conforming to table 1000-2) 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 & 2702 (5th Revision) and as directed by the Engineer-in-Charge for C.C Pavement.

Supplying and laying of seperation membrane 125 micron and as per ISI standard specification duly fixing over CC(1:4:8) including cost, conveyance of all materials etc., complete and as directed by the Engineer-in-Charge during execution of work.

Contraction sawn joint groove (using diamond studded blades) 3 to 5 mm wide and 1/4 to 1/3 depth of the slab + or -5 mm or as stipulated in the drawing and dowel bars complying with clause 602.6.5 of specifications for road bridge works ( third revision) published at new Delhi in 1955 by IRC on behalf of Government of India, Ministry of surface transport and as directed in the drawings. The contraction joint shall be cut as soon as the contract as undergone initial hardening and as hard enough to take the load of joint sawing machine without causing damage to the slab. The joint ceiling compound shall be hot poured bitumen type having flexibility, resistance to sage hardening and durability of the sealant shall be in accordance with BS 5212 (part-2) with all lead & lift including cost and conveyance of all materials etc., complete for 50mm depth For CC Pavement

Providing 25.4 mm thick Mastic pads for Expansion joints etc., complete for finished item of work.

Providing HYSD bars ( Fe-415 ) of different diameters, wrought and put up bars of all diameters including cost and conveyance of steel to site and all labour charges for fabrication of reinforcement including cutting, bending, binding rods, tying grills, placing them in position etc., complete including cost and conveyance of binding wire and all handling charges and operational charges etc., and including over lapping welding if required etc., complete for all R.C.C items for finished item of work as per standard drawings, as per the directions of the Engineer-in-Charge and as per MoRT&H specification 1600 & 2100 (5th revision) and as per I.S.1786 of 1985 for Tie Rods

Providing Uncoated Mild Steel bars ( Fe-250 ) of different diameters, wrought and put up bars of all diameters including cost and conveyance of steel to site and all labour charges for fabrication of reinforcement including cutting, bending, binding rods, tying grills, placing them in position etc., complete including cost and conveyance of binding wire and all handling charges and operational charges etc., and including over lapping welding if required etc., complete for all R.C.C items for finished item of work as per standard drawings, as per the directions of the Engineer-in-Charge and as per MoRT&H specification 1600 & 2200 (5th revision) and as per I.S.1786 of 1985 .