Routine Maintenance and Incident Management of Two-Laning of Muzaffarpur Barauni Section of NH-122 (Old NH-28) from Km 519.600 to Km 627.163, including 3 km stretch from Madhaul Junction to Ramdayalu Junction of NH-22 in the State of Bihar (2nd Call)

Construction of subgrade and earthen shoulders with approved material obtained from borrow pits/roadway excavation, including loading, transporting, spreading, grading, watering, and compacting with vibratory roller in layers not exceeding 250mm, to achieve 98% of MDD as per Clause 305 of MoRTH Specifications, all complete.

Clearing and grubbing road land including uprooting rank vegetation, grass, bushes, shrubs, sapling and tress girth upto 300 mm, removal of stumps of tree cut earlier and disposal of unserviceable materials and stacking of unserviceable material to be used of auctioned, up to a lead of 1000 metres including removal and disposal of top organic soil not exceeding 150mm in thickness. By using Manual MeansShoulders including side slopes of embankment up to toe line (on both sides of the carriageway)

Clearing longitudinal and transverse covered drains and pipe drains including manholes, gratings, channels and gullies etc. and bringing them to original drainage capacity, including disposal of sediments, extraneous debris and vegetation growth blocking the free flow from site outside ROW with all leads and lifts complete in all respects as directed by the Engineer and as per Maintenance Standards Clause no. 3.1. The job also includes removing and refixing of precast slab in original position, (Freqnency of cleaning will be as per site requirement however limited to twice in a year).

Clearing slab/box type culverts and pipe culverts including clearing, cleaning and reshaping of upstream and down stream faces of these culverts within right of way. The job includes disposal of excess material recovered from site including vegetation outside ROW with all leads and lifts complete in all respects as per direction of Engineer-in-Charge. and as per Maintenance Standards Clause 3.1 (Frequency of cleaning will be one time in a year i.e. before start of monsoon).

Providing, Laying and compacting Granular Sub base (GSB) with approved materials complete as per Technical Specifications Clause 401 conforming to Grade 1 Table 400.1/400.2 as per approval of Engineer-in-Charge.

Providing, laying and compacting Wet Mix Macadam (WMM) base course with approved materials complete as per Technical Specifications Clause no. 406 of MoRTH

Providing and applying Prime coat with SS1 grade bitumen emulsion on prepared surface of guanular Base including cleaning of road surface and spraying prime at the rate if 0.70 KG/ Spm using mechanical means.

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 MORT&H specification clause no. 505 complete in all respects

Cold milling of Bituminous Pavement surface upto the required depth by mechanical means using milling machine Writgen (W100) or equivalent, without disturbing the under laying layers, to proper line and level, cleaning the surface properly after milling and removing the loose materials with all lift and lead upto 1000 m all complete and as per direction of Engineer-incharge.

Providing and applying Tack coat with bitumen emulsion using emulsion pressure distribution at the rate of 0.20 kg per sqm on the prepared bituminous surface cleaned with mechanical broom.

Providing and laying Bituminous Concrete with higher capacity batch type hot mix plant using crushed aggregates of specified grading, premixed with bituminous binder @5.2 percent 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 MORT&H specification clause no. 507 complete in all respects.

Providing and laying Micro-Surfacing with polymer-modified emulsified asphalt, mineral aggregate, mineral filler (cement), water, and additives in continuous stretch, including surface preparation and applying tack coat, all as per Technical Specification (MoRTH Clause 515).Thickness: Type II (4.0 mm to 6.0 mm)

Providing sealing to closely spreaded cracks at scattered locations after sweeping the surface clean and dry, applying tack coat of emulsified bitumen @ 0.15 ltr/sqm followed by distributing slurry evenly in 5mm thickness prepared by mixing emulsified bit

Providing treatment and repair to pot holes/ruts of any depth/patch repair of all types of bitumen pavement complete as per Technical Specification Clause 3004.2, and as per direction of Engineer by using paving grade bitumen/emulsion/cold ready mix material. The job includes 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 no. 503, back filling the patch with bituminous material as per Clause no. 509. Compacting trimming and finishing the surface to form a smooth continuous surface all as per Clause no. 3004.2 of Technical Specifications.

Cement concrete of specified mix as under with stone aggregates 20mm nominal size mechanically mixed and vibrated in foundation, sub-structure and superstructure including shuttering/ formwork conforming to MOST Specification Clause no. 1000, 1500 & 1700

Reinforced Cement concrete of specified mix as under with stone aggregates 20 mm nominal size mechanically mixed and vibrated in foundation, substructure and superstructure for thin as well as thick sections including shuttering/ formwork conforming to MO

Dismantling structures and pavement including disposal of resultant material and / salvaging the use ful material complete as per technical specification clause no. 202 complete in all respect as per direction of the Engineer.

Reconstruction of damaged kerbs after dismantling of the kerbs upto minimum of 100 mm and making good the section with M-20 concrete to match with the existing section including form work, curing, painting with two coats of first quality synthetic enamel paint etc. complete in all respects conforming to relevant MoRTH Specifications Clauses and as per direction of Engineer.

Construction of RCC railing of M-30 Grade in Situ with 20 mm normal size aggregates, true to line and Grade, tolerance of vertical RCC Post not to exceed 1 in 500, centre to centre spacing between vertical post not to exceed 2000mm, leaving adequate space between vertical post for expansion, complete as per approved drawing and technical specifications

Cement plaster/ repair to cement plaster in thickness 12-20 mm in cement mortar 1:3 on all types of masonry works in superstructure / substructure at any height as per MOST Clause No. 1000, 1300 & 1400.

Painting with high gloss synthetic enamel paint two coats to give an even and smooth surface for protection of exposed concrete/masonry portion of Bridges/CD works/parapet, kerb painting and repairing wherever necessary, complete as per approval of the Engineer-Old existing surface

Carrying out repair to road signs including strengthening resetting or otherwise repairing signs made out of Retro Reflective sheets. Job includes patch repair to aluminium sheet, R R Sheet, posts, signs / script and repainting of posts at damaged location / positions with approved quality of enamel paint complete in all respect conforming to respective IRC/MOST specifications and as per Additional Maintenance Standard clause 5.5.4. Assuming 10% road signs to be repaired every year.

Painting two coats on old surface after minor repairs to give an even and smooth surface and printing letters and figures with 1st quality synthetic enamel paint of approved brand and manufacture complete in all respect conforming to respective IRC specification.(To be painted and printed every year).

Removal of unauthorized boards within ROW and stacking etc. complete in all respects including transportation from site to the nearest store/suitable location as per direction of Engineer-in-Charge.

Providing and fixing retro-reflective stickers (Engineering grade) of size 10 cm X 5 cm on MBCBs and other structures as per MoRTH Specifications Clause no. 801 and as per approval of the Engineer- in-Charge,

Strengthening and repairing of partially damaged M.S. pedestrian Railing/pipe railing complete including welding, repairing/replacement of damaged parts/ portions (salvage material will be Contractor’s property) as per existing pattern complete in all respects including painting of the damaged portions to match with the existing railing and as per direction of the Engineer in-charge.

Painting all types of M.S/GI railing as and when required with two coats of synthetic enamel paint of approved brand after cleaning the surface complete in all respects as directed by the Engineer - On existing Railing

Repair of damaged single faced W-Beam metal crash barrier made out of members. Job includes repair of old damaged members by straightening the members and removing and repairing all the existing dents as well as other defects and neatly refixing the repaired members as directed by the Engineer-in- Charge including fasteners and fixing etc. complete in all respects.

Type - A, "W" : Metal Beam Crash Barrier (Providing and erecting a "W" metal beam crash barrier comprising of 3 mm thick corrugated sheet metal beam rail, 70 cm above road/ground level, fixed on ISMC series channel vertical post, 150 x 75 x 5 mm spaced 2 m centre to centre, 1.8 m high, 1.1 m below ground/road level, all steel parts and fitments to be galvanised by hot dip process, all fittings to conform to IS:1367 and IS:1364, metal beam rail to be fixed on the vertical post with a spacer of channel section 150 x 75 x 5 mm, 330 mm long complete as per clause 811)

Providing and marking of hot applied thermoplastic compound 2.5 mm thick including reflectorising glass beads @ 250 gms/sqm area, thickness of 2.5 mm is exclusive of surface applied glass beads as per IRC:35. The finished Surface to be level, uniform and free from streaks and holes complete in all respects. The job includes marking of centre line, shoulder line, edge line, zebra crossing marking, arrows and dashes marking at the junctions as per Technical Specifications Clause 803.4 complete in all respect and as per approval of the Engineer-in-Charge.

Replacement of stolen/missing retro-reflectorised traffic sign boards by providing and fixing new retro-reflectorised cautionary, mandatory and informatory sign as per ASTM D 4956-04 made of High intensity grade Microprismatic sheeting Type-IV, fixed over

i) Advance Direction , Destination, Reassurance and place identification sige (Size 2100mmX1700mm) as per drawing with two vetical posts embaded in M-15 cement concrete details as per description given above and as per drawings (type XI as per IRC)

ii) Facility information Sign 800 x 600

i) Triangular 900 mm side

ii) Chevron Sign 500x600

iii) Rectengular Sign Boards (Hazard Marker)

ii) 90 cm high octagon

Providing road patrols and surveillance, automobile assistance, tow away cranes and ambulance services as per maintenance standard Clause 2.2 with:

Total Amount in Rupees

Add1% labour less

Total Amount Excluding GST including labour cess

Grand total BOQ Amount Exclusive GST & Including labour cess = Rs 24,94,81,862/-

NAME OF FIRM

Option

Percentage below on Estimated Cost put to Tender

Percentage above on Estimated Cost put to Tender

At par of estimated cost put to Tender