Constructions of Retaining wall and Breast wall at km 178.200 and Sausage wall and Breast wall at km 179.440 of NH-61 in the State of Nagaland.

Construction of Retaining Wall & Breast Wall

Earthwork in excavation of foundation of structures as per drawing and technical Specification including setting out, construction of shoring & bracing, removal of stumps and other deleterious matter, dressing of sides and bottom and backfilling with approved material. By manual means in ordinary soil 1) Retaining Wall Upto 3m depth 2) Breast Wall upto 3m depth

Plain cement concrete in open foundation complete as per drawing and technical specifications 1) Retaining wall PCC Grade M20 2) Breast wall PCC Grade M20

Stone Masonry work in cement mortar 1:3 for substructure complete as per drawing and technical specifications. Retaining wall Wall: 1/2x(0.6+1.20)x3.50= 3.15 Parapet: (0.30+0.40)/2=0.35 Breast wall Wall: 1/2x(0.50+.90)x2.50= 1.75

Back filling behind the abutment, wing wall and return wall complete as per drawing and technical specification 1) Retaining wall 1/2x(0.2+1.5)x2.90=2.47

Preparation of the seed bed on previously laid top soil, furnishing and placing of seed, fertilizer, mulching materials, applying bituminous emulsion @ 0.23 litres/sqm and laying and fixing jute netting, including cost of watering for 3 months all as per clause 308

Construction of Sausage Wall & Breast Wall

Earthwork in excavation of foundation of structures as per drawing and technical Specification including setting out, construction of shoring & bracing, removal of stumps and other deleterious matter, dressing of sides and bottom and backfilling with approved material. By manual means in ordinary soil 1) Sausage wall Upto 3m depth 2) Breast Wall upto 3m depth

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) 1) Sausage wall upto Ground level above Ground level

Plain cement concrete in open foundation complete as per drawing and technical specifications 1) Breast wall PCC Grade M20

Stone Masonry work in cement mortar 1:3 for substructure complete as per drawing and technical specifications. 1) Breast wall Wall: 1/2x(0.50+.90)x2.50= 1.75

Back filling behind the abutment, wing wall and return wall complete as per drawing and technical specification 1) Sausage wall 1/2x(0.4+1.00)x2.00=1.40

Preparation of the seed bed on previously laid top soil, furnishing and placing of seed, fertilizer, mulching materials, applying bituminous emulsion @ 0.23 litres/sqm and laying and fixing jute netting, including cost of watering for 3 months all as per clause 308

M/s A.Neangba