Improvements to the road CK road to PT road via Gorantlapalle road CTOD from km 3/8 to 7/6 in Annamayya 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 HBT 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 , 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 B.T. patch work for pot holes using 40 to 45mm HBT metal with required quantity of 10 to 12mm size HBT key chips and 42 Kgs of 80/100 grade bitumen per one cum of work for filling the pot holes including removal of loose material in the pot holes trimming the edges to provide form vertical faces cleaning applying tack coat filling the pot holes compacting and finishing including cost and conveyance of materials, T&P charges and all labour charges for all operations etc., complete for finished item of work as directed by the Engineer-in-charge in the following reaches.

Providing B.T. patch work for pot holes using 9.50-11.20 mm HBT machine crushed metal with required quantity of 9.50-11.20mm size HBT key chips and 80/100 grade bitumen at 72 Kgs / 1 cum of work for filling the pot holes including removal of loose material in the pot holes, trimming the edges to provide form vertical faces, cleaning, applying tack coat, filling the pot holes compacting with smooth wheeled Road roller of 8 to 10 T and finishing including cost and conveyance of materials T&P charges and all labour charges for all operations etc., complete for finished item of work as directed by the Engineer-in-charge in the following reaches.

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 for finished item of work, excluding seigniorage charges, as per MoRT&H specification 304 (5th Revision) and as directed by the Engineer-in-Charge.

Providing Vibrated Cement Concrete (1:3:6) 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, 2200 (5th Revision) and as directed by the Engineer-in-Charge.

Vibrated cement concrete M 15 Grade Concrete using 40mm , 20mm and 10mm size HBG crushed stone aggregate (Coarse aggregate conforming to table 1000-1 and fine aggregate conforming to table 1000-2) including cost and conveyance of all materials to site and all labour charges for machine mixing, laying in position,Compacting, Vibrating and curing including all other incidental and all other operational charges of T&P required etc., complete as per MoRT&H Specification 1500,1700, 2200 (5th Revision) for Sub structure .

Providing, laying Reinforced cement concrete Hume pipes of 1000 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.

Providing weep holes in VCC Abutments, Return walls and wing walls with 100mm Diameter AC pipe extending through the full width of the structure at 1.00m C/C in both horizontal and vertical direction so that the weep holes in each horizontal direction is staggered from the weep holes laying above and below lines as shown in drawing including cost and conveyance of the A.C pipes and labour charges for cutting to required length, placing the pipe with a slope of about 1V : 20H towards stream side face etc., complete for finished item of work for weep holes as per MoRT&H specification 2706 & 2200 (5th Revision)

Filling in between body walls with gravel including cost and conveyance of all materials to site etc., complete as per Clause 710.1.4 of IRC : 78 and as per MoRT&H Specification No. 2200 & 2907 (5th Revision) and as per Drawing and technical specifications for finished item of work.