Restoration of rain damages on Mamligh Kuftu road km 7/0 to 13/0 under PDNA 2025

Earthwork in excavation for all type of road structures such as retaining wall, breast wall, culvert, drain and parapets etc. in all type of classification of soil comprising of ordinary soil, ordinary rock, hard rock chiesling / wedging out rocks (where blasting is prohibeted). Dimesions and other particulars as per drawing and Technical Specification Clause 305.1(Three hundred Five point One) including setting out, construction of shoring and bracing, removal of stumps and other deleterious material and its disposal including dressing of sides and bottom and backfilling in trenches with excavated suitable material, trimming, filling of unevenness blindages and finishing of the road to specified dimensions. All work of excavation by blasting shall be carried out by taking all necessary precautions against soil erosions, damage to hill side, water pollutions etc., and to protect stability of hill side rock. Stacking of materials useful for construction at suitable sites and safe disposal of unserviceable excavated materials in specified manners to dumping site (to be arranged by the contractor) or as directed by the Engineer-in-Charge. Any loss to the public or private property during the course of execution shall be the sole responsibility of the contractor, which shall have to be duly compensated by him at his own cost of all cases.

Providing and laying plain cement concrete Grade M- 10 (Ten) nominal mix 1:3:6 (one cement isto three sand isto six graded crushed hard stone aggregate 40mm ( forty millimetre) nominal size) mechanically mixed, vibrated and curing complete in open foundations including form work as per drawings and MORDTechnical Specifications Clause 802, 803, 1202 and 1203 (Eight hundred two, eight hundred three, one thousand two hundred two and one thousand two hundred three) and as per the direction of the Engineer-in-Charge including carriage of material through all modes of transportation within all leads and lifts and other incidentals.

Steel work welded in built up sections/ framed work, including cutting, hoisting, fixing in gratings, frames, guard bar, ladder, railings, brackets, gates and similar works in position and applying a priming coat of approved steel primer using structural steel etc. as per HP.PWD. Specification including carriage of all labour equipment and material to various locations through all modes of transportation in all leads and lifts and all incidental charges.

Providing and laying, spreading by Mechanical means and compacting to 75mm ( seventy five milimeters) compacted thickness stone aggregates of Grading- III, 53mm to 22.5 mm (fifty three milimeters to twenty two point five milimeters) size @ 0.91cum ( point nine one cubic meters) per 10 (ten) square meters to water bound macadam specification including spreading in uniform thickness, hand packing, rolling with three wheel 80-100 (eighty to hundred) kN static roller in stages to proper grade and camber, applying and brooming, stone screening of type B of size 11.2mm (eleven point two milimeters) @ 0.20 (point two zero ) cubic meters per ten square meters to fill-up the interstices of coarse aggregate, watering and compacting to the required density Grading III as per MORD Technical Specification Clause 405 (Four hundred five) and entire satisfaction & direction of Engineer-in-Charge, including carriage of all labour, equipments and materials to various locations through all modes of transportation in all lead & lifts and all incidental charges.

Providing and applying tack coat with Bitumen emulsion (RS-1) using emulsion distributor at the rate of 0.25 to 0.30 kg (zero point two five to zero point three kilogramme) per sqm on the prepared dry and hungry bituminous surface cleaned with Hydraulic broom as per Technical Specification Clause 503 (five zero three) and as per direction of Engineer in charge including carriage of all labour, equipments and materials to various locations through all modes of transportation in all lead & lift and other incidental charges.

Providing and laying bituminous concrete 30mm ( Thirty milimetres) thick with 100-120 (one hundred to one hundred twenty) TPH batch type hot mix plant producing an average output of 75 (seventy five) tonnes per hour using crushed aggregates of specified grading, premixed with bituminous binder @ 5.5 (five point five ) per cent of total weight of mix, agreegate Grading II (thirteen milimetres nominal size) i.e. 13.2 - 10 mm thirty per cent, 10 - 5 mm twenty five per cent, 5 mm and below forty three per cent of volume of agreegate and filler @ 2 per cent of weight of aggregates, transporting the hot mix to work site, laying with a hydrostatic paver finisher with sensor control to the required grade, level and alignment, rolling with smooth wheeled, vibratory and tandem rollers to achieve the desired compaction as per MORTH specification clause No. 509 (five zero nine) complete in all respects and as per direction of Engineer in charge including carriage of all labour, equipments and materials to various locations through all modes of transportation in all lead & lifts and all incidental charges.