Improvements to the road riding surface of Santhamaguluru to Meet C-K-NN road from km 1.900 to 4.000 in Bapatla 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 B.T. patch work for pot holes using 40 to 45mm HBG metal with required quantity of 10 to 12mm size HBG 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 to the specified thickness as directed by the department using 9.50 mm to 11.20mm size I R C gauge H B G mechine crushed chips and 72 kgs of 80/100 grade Bitumen per i cum of metal and 0.15 m3 of Stone Dust cutting the existing pot holes to rectangular shape with verticle sides or as directed by the department, removing loose aggregates, brushing cleaning dusting the existing road surface, heating and spraying bitumen for tack coat as directed by the department, pre mixing bitumen and metal, spreading the pre mix in flush with the riding surface, hand packing sectioning to proper camber, rolling with Power Road Roller 8-10 T, laying bitumen to the top surface as direced by the department etc, complte including cost and conveyance of metal, Bitumen and all labour charges, hire and operational charges of all T & P cost of fire wood, Kerosine and other incidental charges etc,. complete for B T patch work.

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)