Improvements to the Kadapa - Porumamilla road from Km 17/0 to 29/6 (SH 056) in Kadapa 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 Macadam 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)

Supply of hot applied thermoplastic road making compound,2.5mm thick including reflectorising glass @ 35Cgms with Reflectorising Glass Beads on Bituminous Surface at 250 grms per sqm area,thickness of 2.5mm is exclusion of surface applied glass bead as per IRC:35,the material should be of BERGER Company BERDER Equtvalent and most comply with the folloing: (A) White index for the product should be in the range of 60-70 when measured against standred refernce.The applied panel 7/8 number must be submitted for chacking up the white index in the department lab.In case the department approves the white index of any vendor,the department engineer may carryout ramdom checking of the applied products at site against the approved panel.In case of any major deviation,beyond acceptance limit,department reserve the right to cancel or reject the total supplied consignment of the side material and will compel the vendor has to replace the full consignment by the desired material as per approved panel at his own cost and additional demurrages may be claimed due to loss of man days (as per the rules of the department).(B) Laniance factor of the material should be in the range of 80-85% at 45 degree centigrade as per AASTHOM 249. (C) Crack resistance: The applied panel cured for 7 days under ambient condition and then should be tested as per BS 3262, Part-1, 1989 and should pass at the range of '0' degree centigrade to '-10' degree centigrade. (D) Adhesion: Strong (E) Softening point: 102 degree centigrade (F) Dried film finish: Smooth and uniform (G) Night Vision: High as directed by the Engineer-in-Charge and confirming to IS: 1641961 (1st revision reaffirmed in 1986) and clause conforming to IRC 35-1997.

Supply & Fixing of Molded Shanks Raised Pavement Markers made of plastic body moulded froim HIPS (HI-impact polysterence) or ABS or ASA ( Acrylic strene Acrylonitrite and reflective panels with micro prismatidc lens capable of providing total internal reflection of the light entering the lens face and shall support a load of 16000 Kg tested in accordance to ASTM D 4280 Type H and complying to Specifications of Caterory A of MORTH Circular No.RW/NH/33023/10-97 - DO III Dt.11.06.1997.The height width and length shall not exceed 50 mm,100 mm, and 100 mm and with minimum reflective area of 13 Sqm on each side an the slope to the base shall be 35 +/- 5 degree.The strength of detachment of the integrated cylindrical shanks.(of diameter not less than 19 +/- 2 mm and height not less than 30 +/- 2 mm) from the body is to be a minimum value of 700Kgs. Fixing will be by drilling holes on the road for the twin shanks to go inside,without nails and using epoxy resin based adhesive as per manufacturer's recommendation and complete as directed by the Engineer.