Restoration of rain damage on NH-05 Km 236/00 to 368/00 (S.H. Improvement of curve at RD 280/580 to 280/730, PCC R/wall at RD 280/615 to 280/635 and M/T works in Km 280/580 to 280/730) under FDR 2023-24.

Amount

Excavation in soil in hilly area by mechnical means in all heights and depths, in all kinds of soil including saturated soil comprising of mixed soil, ordinary rock and hard rock cutting by blasting shall be carried out by taking all necessary precautions against soil erosion, damage to hill side, water pollution etc. and to protect stability of hill side. Rock shall be excavated with chiselling and wedging out of rock (where blasting is prohibited) including cutting and trimming of side slopes and disposing of excavated earth lift upto all heights and all leads as directed by the Engineer-in-Charge, in conformity with the requirement of technical specification of rural roads clause 1603.1. Minimum quantity of useful material such as stones, shingles, aggregates and slates etc. i.e 604.27 cubic metre, shall be sorted out and stacked along the road side properly, otherwise recovery @ Rs. 300/- per cubic metre shall be effected from the bills of the contractor. Any loss to the public and private property during the course of execution shall be the absolute responsibility of the contractor which shall have to be duly compensated by him in all cases.

Excavation in soil using Hydraulic Excavator and tipper with disposal upto 1000 mtrs. Excavation in road work in soil with hydraulic excavator i/c cutting and loading in tipper , trimming bottom and side slope , in accordance with requirements of lines grades and cross section and transporting to the embankment loction with in all lifts and leads upto 1000 mtrs.

Earth work in excavation of foundation of structures as per drawing and technical specification, including setting out, construction of shoring and bracing, removal of stumps and other deleterious matter, dressing of sides and bottom, backfilling the excavation earth to the extent required and utilising the remaining earth locally for road work.

Plain/Reinforced Cement Concrete in sub-structure as per drawing and technical specification. Case II PCC grade M15 using batching plant and manual placing.

Providing weepholes in brick/ masonry/stone masonry. Plain/reinforced concrete abutment , wing wall ,return wall with 100 mm dia PVC pipe extending through the full width of the structures with slope of 1(V) : 20 (H) towards drawing face complete as per drawing and technical specification Clause 614, 709, 1204.3.7...12.8

Providing and laying of Filter media with granular materials/stone crushed aggregates satisfying the requirements laid down in clause 2504.2.2. of MoRTH specifications to a thickness of not less than 600 mm with smaller size towards the soil and bigger size towards the wall and provided over the entire surface behind abutment, wing wall and return wall to the full height compacted to a firm condition complete as per drawing and Technical Specification. (L.R.)

Construction of granular sub-base by providing granular material, spreading in uniform layers with motor grader on prepared surface, mixing by mix in place method with front end loader at OMC, and compacting with vibratory roller to achieve the desired density, complete as per clause 401.

Water Bound Macadam (G-II) By mechanical measns Providing, laying, spreading and compacting stone aggregates of specific sizes to water bound macadam specification including spreading in uniform thickness, hand packing, rolling with 3 wheeled steel/ vibratory roller in stages to proper grade and camber, applying and brooming requisite type of screening/ binding Materials to fill up the interstices of coarse aggregate, watering and compacting to the required density.

Water Bound Macadam (G-III) By mechanical measnsProviding, laying, spreading and compacting stone aggregates of specific sizes to water bound macadam specification including spreading in uniform thickness, hand packing, rolling with 3 wheeled steel/ vibratory roller in stages to proper grade and camber, applying and brooming requisite type of screening/ binding Materials to fill up the interstices of coarse aggregate, watering and compacting to the required density.

Providing and applying Prime coat with bitumen emulsion using emulsion pressure distributor at the rate of 0.70 kg per sqm on the prepared bituminous/granular surface cleaned with mechanical broom.

Providing and applying tack coat with bitumen emulsion using emulsion pressure distributor at the rate of 0.25 kg per sqm on the prepared bituminous/granular surface cleaned with mechanical broom.

Dense Graded Bituminous Macadam Grading -II Providing and laying dense graded bituminous macadam with higher capacity batch type HMP using crushed aggregates of specified grading, premixed with bituminous binder @ 4.5 Percent by weight of total mix and filler, 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. 505 complete in all respects.

Providing and laying 30mm(Thirty millimeter) thick Bitumen VG-40 bituminous concrete with batch type 100-120 TPH(Hundred to one hundred twenty tonne per hour) capacity hot mix plant producing an avarage output of 75(Seventy five) tonne per hour using crushed stone aggregates ofSpecified grading premix with bitumen binder at the rate of minimum 5.5%(five point five percent) of weight of mix and filler @ 2%(Twp percent cement of weight of aggregates) as per appoved job mix formula, transporting the hot mix material to work site in clean insulated vehicle covered while in transit or awaiting tipping and laying with a hydrostic paver finisher with sencer controll to the required grade,level,and alignment ,rolling with smooth wheeled vibratory and tendom roller to achieve the desired compacting as per MORTH specification clause 509 complete including profile correction layer and patching of pot holes including mobilization of plants and equipment by mechnical trasport, including haulage of materials with in all leads and lifts with all modes of tranportion and as per direction and entire satisfaction of Engineer -in- charge nothing extra shall be paid for higher bitumen contents if required as per job mix formula .

M/S DINESH KUMAR

Arun Mehta Govt Contractor

Arush Sharma