Reconstruction of Retaining wall damaged by landslide on at Km 311.550 on NH 07 Old 58

Amount

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 and backfilling with approved material. Ordinary soil Manual Means upto 3 m depth

Plain/Reinforced cement concrete in open foundation complete as per drawing and technical specifications PCC Grade M20 With Batching Plant, Transit Mixer and Manual placing

Stone masonry work in cement mortar 1:3 for substructure complete as per drawing and Technical Specifications( Random Rubble Masonry)

Hand Packed stone filling in back of wallls including cost of all materials, royality, T&P etc. complete as per direction of Engineer-in- charge. (As per PWD Uttarakhand specifications)

Providing weep holes in Brick masonry/Plain/Reinforced concrete abutment, wing wall/return wall with 100 mm dia AC pipe, extending through the full width of the structure with slope of 1V :20H towards drawing foce. Complete as per drawing and Technical specifications

Providing and Laying of Mechanically Woven Double Twisted Hexagonal shaped Gabions of galvanized steel, of size 3mX1mX1m with two diaphragms at 1m interval, having mesh opening 100mmx120 mm, mesh wire diameter 3 mm for gabions, edge/selvedge wire diameter 3.9 mm and lacing wire diameter 2.2 mm. (The work includes filling boulders in the gabions).

SUB BASES, BASES AND SURFACE COURSES (BITUMINOUS)

Construction of Rock fill Embankment with all lifts and lead upto 5 Km- Construction of rock fill embankment from roadway excavation with broken hard rock fragments of size not exceeding 300 mm laid in layers not exceeding 500 mm thick including filling of surface voids with stone spalls, blinding top layer with granular material, rolled with vibratory road roller, all complete as per clause 313.

Granular Sub-base with Graded Material (Table:- 400-1) By Mix in Place Method (Construction of granular sub-base by providing close graded material, spreading in uniform layers with motor grader on prepared surface, mixing by mix in place method with rotavator at OMC, and compacting with vibratory roller to achieve the desired density, complete as per clause 401) for grading- I Material

Wet Mix Macadam laying Using Mechanical Paver (Providing, laying, spreading and compacting graded stone aggregate to wet mix macadam specification 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 subbase / base course on well prepared surface and compacting with vibratory roller to achieve the desired

Prime coat Providing and applying primer coat with SS1 grade bitumen emulsion on prepared surface of granular Base including clearing of road surface and spraying primer at the rate of 0.70 kg/sqm using mechanical means.

Tack Coat on Granular surfaces treated with primer ( 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 surface cleaned with mechanical broom.)

Dense Graded Bituminous Macadam-I (Providing and laying dense graded bituminous macadam withhigher capacity batch type HMP using crushed aggregates of specified grading, premixed with bituminous binder @ 4.0per cent 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.)

Tack coat Tack Coat on Bituminous surfaces (Providing and applying tack coat with bitumen emulsion using emulsion pressure distributor at the rate of 0.20 kg per sqm on the prepared bituminous surface cleaned with mechanical broom.]

Bituminous Concrete Grading -II (Providing and laying bituminous concrete with higher capacity batch type hot mix plant using crushed aggregates of specified grading, premixed with bituminous binder @ 5.4 per cent of 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. 507 complete in all respects)

Omkar Singh Contractor (BID ID -3288569)

Arjun Rawat (BID ID -3288916)

V2BINFRA (BID ID -3289320)

Maya Enterprises (BID ID -3289275)

Shagun Enterprises (BID ID -3288874)