MR- Maintenance and repair works on NH-61(New NH-02) and NH-36(New NH-29) under National Highway Division-I, Kohima during 2019-20(Phase-II) Vol-III

Amount

1. WBM work from Km 25.00 to 40.00 on NH-2

WBM Grade-II - manual means

WBM Grade-III - manual means

2. Clearance of unlined rain from Km 25.00 to 40.00 on NH-2

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

3. Jungle Clearance from Km 25 to 40.00 on NH-2

Clearing and Grubbing Road Land .(Clearing and grubbing road land including uprooting rank vegetation, grass, bushes, shrubs, saplings and trees girth up to 300 mm, removal of stumps of trees cut earlier and disposal of unserviceable materials and stacking of serviceable material to be used or auctioned up to a lead of 1000 metres including removal and disposal of top organic soil not exceeding 150 mm in thickness.)

4. Construction of gabian structure at km 33.300 on NH-2

Excavation for Structures (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.) upto 3 metre

Gabian Structure for Retaining Earth (Providing and construction of a gabain structure for retaining earth with segments of wire crates of size 7 m x 3 m x 0.6 m each divided into 1.5 m compartments by cross netting, made from 4 mm galvanised steel wire @ 32 kg per 10 sqm having minimum tensile strength of 300 Mpa conforming to IS:280 and galvanizing coating conforming to IS:4826, woven into mesh with double twist, mesh size not exceeding 100 x 100 mm, filled with boulders with least dimension of 200 mm, all loose ends to be tied with 4 mm galvanised steel wire)

Back filling behind abutment, wing wall and return wall complete as per drawing and Technical specification Granular Material

5. Construction of CRSM side drain at km 37 on NH-2

Earthwork in excavation of foundation of structures as per drawing and technical specification, including setting, construction of shoring and bracing, removal of stumps and other deleterious matter, dressing of sides and bottom, back filling the excavation earth to the extend required and utilising the remaining earth locally for the road work complete as per MOST specification 304. Depth upto 3m Ordinary Soil - manual means

Plain/Reinforced cement concrete in open foundation complete as per drawing and technical specifications PCC Grade M20

Stone masonry work in cement mortar 1:3 for substructure complete as per drawing and Technical Specifications Coarsed Rubble masonry

6. Construction of CRSM wall at km 25.75 on NH-2

Earthwork in excavation of foundation of structures as per drawing and technical specification, including setting, construction of shoring and bracing, removal of stumps and other deleterious matter, dressing of sides and bottom, back filling the excavation earth to the extend required and utilising the remaining earth locally for the road work complete as per MOST specification 304. Depth upto 3m Ordinary Soil - manual means

Plain/Reinforced cement concrete in open foundation complete as per drawing and technical specifications PCC Grade M20

Stone masonry work in cement mortar 1:3 for substructure complete as per drawing and Technical Specifications Coarsed Rubble masonry

Back filling behind abutment, wing wall and return wall complete as per drawing and Technical specification Granular Material

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.

7. Construction of gabian structure at km 33.400 on NH-2

Excavation for Structures (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.) upto 3 metre

Gabian Structure for Retaining Earth (Providing and construction of a gabain structure for retaining earth with segments of wire crates of size 7 m x 3 m x 0.6 m each divided into 1.5 m compartments by cross netting, made from 4 mm galvanised steel wire @ 32 kg per 10 sqm having minimum tensile strength of 300 Mpa conforming to IS:280 and galvanizing coating conforming to IS:4826, woven into mesh with double twist, mesh size not exceeding 100 x 100 mm, filled with boulders with least dimension of 200 mm, all loose ends to be tied with 4 mm galvanised steel wire)

Back filling behind abutment, wing wall and return wall complete as per drawing and Technical specification Granular Material

M/s Omni Enterprise