Improvements to Konakondla - Uravakonda from Km 7/4 to 20/445 in Ananthapuramu District (2nd Call)

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 0.25 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 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 50mm thick Bituminous Macadam with 100 -120 TPH hot mix plant producing an average output of 75 tonnes per hour using hard blasted granite crushed aggregates of Grading - II as per table 500-7 of MoRT&H specificaion 504 (5th Revision) premixed with bituminous binder of VG-30 grade @ 3.4 % by weight of total mixture, transported to site, laid over a previously prepared surface with Hydrostatic paver finisher with sensor control to the required grade, level and alignment and rolled as per Clauses 501.6 and 501.7 to achieve the desired compaction for finished item of work as directed by the Engineer-in-Charge including hire and opeational charges all T&P and all other contingent charges necessary , complete and as per MoRTH specification No. 504 (5th Revision) .

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

Forming shoulders with borrowed useful seclected earth having MDD of not less than 1.75 gms/cc from outside road boundary by mechnical means 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 soils on the embankment, spreading soils, breaking clods, sectioning and consolidation with 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) (Payment will be made based on levels for finished item of work)

Dismantling of cement concrete pavement by mechanical means using pneumatic tools, breaking to pieces not exceeding 0.02 cum in volume and stock piling at designated locations and disposal of dismantled materials up to a lead of 1000 metres, stacking serviceable and unserviceable materials separately as directed by the Engineer-in-Charge and as per MoRTH specification 202-2.6 (5th revision)

Dismantling of existing structures like culverts , bridges, retaining walls and other structures comprising of masonry, cement, concrete, wood work , steel work, including T&P and scaffolding wherever necessary sorting the dismantled material, disposal of unserviceable materials and stacking the materials with all lifts and lead of 1000 m ( By Mechanical means in Cement concrete grade M-15 & M-20) as per MoRTH specification 202 , 2.4 II (A) (5th revision)

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 etc., complete for finished item of work.

Providing Vibrated Cement Concrete (1:3:6) mix using 40mm size HBT 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 HBT 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 Body wall

Providing, laying Reinforced cement concrete Hume pipes of 1200 mm Dia., NP-4 class for pipe culverts including cost and conveyance of Pipes etc., complete and Labour charges for laying, jointing of 300 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.

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 Concrete mixer 0.28/0.4 cum capacity with weigh batcher, laid with a paver /manual means , compacting with 8-10 tonnes vibratory roller, finishing and curing complete for finished item of work as per MoRT&H (5th Revision) specification 601 (5th Revision) 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, and confirming to clause 602.2.6.4 mixed in Concrete mixer 0.28/0.4 cum capacity with weigh batcher as per approved mix design, laid with a fixed form paver/Manual Means, 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 etc., as per MoRT&H specification No. 602 (5th Revision) and as directed by the Engineer-in-Charge

Vibrated reinforced cement concrete M 20 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 other incidental hire and operational charges of all T&P as per approved drawings and as directed during execution but excluding cost of steel and its fabrication charges for finished item as per MoRT&H specification 1500,1600,1700 & 2200 (5th revision ) and as directed by the Engineer-in-Charge

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 for CC Pavement

Forming shoulders with borrowed useful seclected earth having MDD of not less than 1.75 gms/cc from outside road boundary by mechnical means 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 soils on the embankment, spreading soils, breaking clods, sectioning and consolidation with 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) (Payment will be made based on levels for finished item of work)