NHIDCL/RO-Imphal/I-J/SR/Km 145.00-Km 221.138/2020-21/2nd call

Amount

Hill Side Drain Clearance (Removal of earth from the choked hill side drain and disposing it on the valley side manually)

Land Slide Clearance in soil Clearance of land slides in soil and ordinary rock by a bulldozer D80 A-12,180 HP and disposal of the same on the valley side.

Clearing grass and removal of rubbish upto a distance of 50 meters outside the periphery of area cleared (By manual means)

Scarifying including picking up scarified material and stacking of old serviceable material within a lead of 100m.Top bituminous surface dressing or premix carpet

Scarifying including picking up scarified material and stacking of old serviceable material within a lead of 100m. Stone metal crust, 50mm to 100mm thick by road roller with scarifier along with 20mm,premix carpet/surface dre ssing

Scarifying including picking up scarified material and stacking of old serviceable material within a lead of 100m. Kankar/Gravel metal crust upto 150mm thick with pickaxes.

Construction of Embankment with Material Obtained from Borrow Pits Construction of embankment with approved material obtained from borrow pits with all lifts and leads, transporting to site, spreading, grading to required slope and compacting to meet requirement of table 300-2

Construction of Subgrade and Earthen Shoulders Construction of subgrade and earthen shoulders with approved material obtained from borrow pits with all lifts & leads, transporting to site, spreading, grading to required slope and compacted to meet requirement of table No. 300-2

Compacting original ground supporting subgrade Loosening of the ground upto a level of 500 mm below the subgrade level, watered, graded and compacted in layers to meet requirement of table 300-2 for subgrade construction.

Turfing with Sods Furnishing and laying of the live sods of perennial turf forming grass on embankment slope, verges or other locations shown on the drawing or as directed by the engineer including preparation of ground, fetching of sods and watering

Sub-base with Close Graded Material (Table:- 400-1) Plant Mix Method Construction of granular sub-base by providing close graded Material, mixing in a mechanical mix plant at OMC, carriage of mixed Material to work site, spreading in uniform layers with motor grader on prepared surface and compacting with vibratory power roller to achieve the desired density, complete as per clause 401 . For Grading- II Material

Wet Mix Macadam . 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 sub- base / base course on well prepared surface and compacting with vibratory roller to achieve the desired density.

Providing,laying,spreading and compacting and stones agrregate of specific sizes to water bound macadam specification including spreading in uniform thickness, handpacking, rolling with power roller 8-10 tonnes in stages to proper grade and camber ,applying and brooming requisite inerstices of coarse aggregates, lighting guarding, barricading and maintenance of diversion etc. By Mechanical means. IRC Grade II.

Filling Pot-holes and Patch Repairs with Bituminous concrete, 40mm. 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 504, compacting, trimming and finishing the surface to form a smooth continuous surface, all as per clause 3004.2 (B) Grding - ll 13mm (Nominal Size)

Providing and applying primer coat with bitumen emulsion on prepared surface of granular Base including clearing of road surface and spraying primer using mechanical means. A) On WBM/ WMM Surface @ 0.70-1.00 kg/sqm. On WBM/ WMM Surface @ 0.70-1.00 kg/sqm

Providing and applying tack coat with bitumen emulsion using emulsion pressure distributor m on the prepared bituminous/ granular surface cleaned with mechanical broom.On bituminious Surface @ 0.20 - 0.30 kg/sqm

Providing and applying tack coat with bitumen emulsion using emulsion pressure distributor m on the prepared bituminous/ granular surface cleaned with mechanical broom.On granular Surface Pre treated with prime Coat @ 0.25 - 0.30 kg/sqm

Dense Graded Bituminous Macadam (Providing and laying dense bituminous macadam with 40-60 TPH batch type HMP producing an average output of 35 tonnes per hour using crushed aggregates of specified grading, premixed with bituminous binder @ 4.25 % by weight of total mix 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.).For GradingII (19 mm nominal size). Using bitumen 60/70.

Bituminous Concrete (Providing and laying bituminous concrete with 40-600 TPH batch type hot mix plant producing an average output of 35 tonnes per hour using crushed aggregates of specified grading, premixed with bituminous binder @ 5.5 % 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. 509 complete in all respects). For Grading-II ( 13 mm nominal size ). Using Bitumen PMB 60/70.

Longitudinal Drains (Open-RR- Trapezoidal Drain ) and Retaining Wall Earth work in excavation of foundation for structures as per drawing and technical specification Ordinary soil Depth upto 3 m

Longitudinal Drains (Open-RR- Trapezoidal Drain ) and Retaining Wall Earth work in excavation of foundation for structures as per drawing and technical specification Ordinary rock. If blasting is resorted to

Longitudinal Drains (Open ) RR- Trapezoidal Drain Stone masonry work in cement mortar 1:3 in foundation complete as drawing and Technical Specification. Random Rubble Masonry (coursed/uncoursed )

Retaining Wall Cement concrete for Plain/Reinforced concrete in open foundation complete as per drawing and technical specifications. PCC M15 Grade.

Retaining Wall Cement concrete for Plain/Reinforced concrete in open foundation complete as per drawing and technical specifications. RCC M30 Grade.

Retaining Wall Cement concrete for Plain/Reinforced concrete in open foundation complete as per drawing and technical specifications i/c form work complete a sper drawing and technical specification RCC M30 Grade.Upto 5m height

HYSD bar reinforcement in Sub-structure complete as per drawing and technical specification

Providing weep holes in concrete/Reinforced concrete abutment, wing wall/return wall Complete as per drawing and Technical specifications

Construction of boulder sausage wall with broken or angular boulder 1 m height,1.4m wide at bottom and 0.9m at top and 1.4m slope i/c cost of 3mm G.I. wire netting 10cm square diagonal mesh with overlapping of 0.6m i/c earth work in foundation trenches etc. and fixing 20cm dia Sahi-kuhi post or equivalent of 2.2m length ,1m above the ground level and 1.2m inside the ground at interval of 1.5m c/c complete.