FDR 2021-22 Construction of Retaining Wall from Km 81.050 RHS, Km 84.900 LHS, and Km 85.200 RHS of Charmadi Ghat and pathcing the pot holes from Km 19.80 to Km 20.150 of NH-73 Mangaluru - Tumkur Section Job No.TA.73.KNT.FDR.2021.22.67

Amount

A) RETAINING WALL: 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 including cost of all materials, labour, hire charges of machinary, barricading, loading & unloading, lead, lifts,transportation, with all incidental charges, etc., complete as per specification and as directed by the Engineer in charge of work. Ordinary soil manual means (Depth Upto 3.00mtr)

Providing & laying Plain / Reinforced Cement Concrete M 15 (1:2:4) in Open foundation using granite/trap/basalt aggregates using 20mm and downsize and clean sieved approved fine agrigate or double washed crushed metal sand including mixing mechanically in Concrete Mixer laid in layers not exceeding 15cms thick layers, as per Drawing including cost of all materials, formwork, centring, vibrating , compacting, hire charges of machinery, lead, lift, loading, unloading, transporting, stacking, curing, finishing the exposed faces with all incidental charges, etc., complete as per specification and as directed by the Engineer in charge of work complete.

Providing & laying Plan / Reinforced Cement Concrete in Open foundation using granite/trap/basalt aggregates and clean sieved approved fine agrigate or double washed crushed metal sand including mixing mechanically, laid in layers not exceeding 15cms thick as per Drawing including cost of all materials, formwork, centring, vibrating, compacting, hire charges of machinery, all lead and lift, loading, unloading, transporting, stacking, curing, finishing the exposed faces etc.,with all incidental charges, etc., complete as per specification and as directed by the Engineer in charge of work complete. Using Batching Plant, Transit Mixer and Concrete Pump RCC M30 using 20mm and downsize metal

Providing T.M.T. FE-500 Grade Steel bar reinforcement conforming to IS-1786, in foundation including straightening bars, cutting, bending, hooking, binding with approved quality binding wire after placing in position, tieing, lapping and / or welding wherever required and anchoring to the adjoining members wherever necessary as per drawing (laps, hooks and wastages shall not be measured and paid) including cost of all materials, bar bending charges, hire charges of machinary, barricading, loading & unloading, lead, lifts,transportation, with all incidental charges, etc., complete as per specification and as directed by the Engineer in charge of work complete.

Providing & laying PCC / RCC mix in substructure as per drawing using granite/trap/basalt aggregates of 40/20 mm and down size and clean sieved approved fine agrigate or double washed crushed metal sand, form work, scaffolding, mixing mechanically, laid in layers of 15cms thick in each layer,well compacted, centering, vibrating, including cost of all materials, labour, hire charges of machinery, lead, lifts, loading, unloading, curing, finishing the exposed faces etc., with all incidental charges, etc., complete as per specification and as directed by the Engineer in charge of work complete. RCC M30 (Using 20mm & downsize) With Batching Plant, Transit Mixer & Concrete Pump.

Providing TMT steel bar FE 500 Grade reinforcement conforming to IS-1786, designation in substructure including straightening bars, cutting, bending, hooking, binding with approved quality binding wire after placing in position, tying, lapping and /or welding wherever required and anchoring to the adjoining members wherever necessary as per drawing (laps, hooks and wastages shall not be measured and paid) including cost of all materials, bar bending charges, hire charges of machinary, barricading, loading & unloading, lead, lifts,transportation, with all incidental charges, etc., complete as per specification and as directed by the Engineer in charge of work complete.

Providing and laying Filter material as per table 300-3 underneath pitching in slopes complete as per drawing,including cost of all materials, labour, hire charges of machinary, barricading, loading & unloading, lead, lifts,transportation, with all incidental charges, etc., complete as per specification and as directed by the Engineer in charge of work.

Providing Weep Holes in Brick masonry/Plain/ Reinforced concrete abutment, wing wall/ return wall with 110 mm outer dia PVC pipe, at 2Kg / Sqm , fixing in position with collar and clamp extending through the full width of the structure with slope of 1V :20H towards drawing force as per drawing including cost of all materials, labour, hire charges of machinary, barricading, loading & unloading, lead, lifts,transportation, with all incidental charges, etc., complete as per specification and as directed by the Engineer in charge of work.

B) PATCH WORK: Providing and applying Tack Coat as per Table 500-5 on prepared surface using VG-10 grade paving Bitumen complying with IS.73-2013 of approved quality and make including cleaning of road surface by Mechanical Broom & dusting by Air compressor, and spraying by Bitumen Pressure Distributor, including cost of all materials, labour, hire charges of machinery, guarding, barricading,loading & unloading, stacking, lead, lift,transportation, with all incidental charges, etc., complete as per specification and as directed by the Engineer in charge of work etc complete.on granular base such as WBM & WMM surfaces treated with primer / over B.T. surface [dry & hungry] at 2.5 Kg/10 Sqm

Providing and laying Bituminous Concrete using crushed stone aggregates as per table 500-17 of specified graded aggregates and filler @ 2% by weight of aggregates premixed with minimum bituminous binder VG-30 grade Paving Bitumen (as per cluase 504.2.1) complying with IS 73-2013 /IS 15462(IRS SP53) in Batch / Hot mix plant, loading of aggregates with F.E. loader, transported to site in tipper to paver, laid over a previously prepared surface with hydrostatic paver finisher with sensor control to the required grade, level, alignment, rolling with Smooth wheeled roller 8-10 tonnes, vibratory roller 8 tonnes, smooth wheeled tandem roller 6-8 tonnes as per clauses 501.6 and 501.7 to achieve the desired compaction, including cost of all materials, labour, hire charges of machinery, lead, lifts, loading, unloading, stacking, transportation, with all incidental charges, etc., complete as per specification and as directed by the Engineer in charge of work. Using 40-60 TPH Hot mix plant Grading 2 with 5.4% Bitumen (30 - 40 mm compacted thickness) Using VG 30 Grade Bitumen.

Filling Pot-holes and Patch Repairs with Bituminous concrete, 40mm thick. Using Grading II Material - Removal of all failed material, trimming of completed excavation to provide firm vertical faces, cleaning of surface, painting of tack coat on the sides and base of excavation as per clause 503, back filling the pot holes with hot bituminous material as per clause 509, compacting, trimming and finishing the surface to form a smooth continuous surface, all as per clause 3004.2, including cost of all materials, labour, hire charges of machinery, lead, lift , loading, unloading stacking, transporting etc., with all incidental charges, etc., complete as per specification and as directed by the Engineer in charge of work.

Budoli Ummar