A R and M O State highway-15 under SD-II, CD, APWD, Diglipur during the year 2023-24. Sw- Construction of Gabion wall structure for protecting Machi culvert Pump house from sliding at Swarajgram Ward No.4 under Swarajgram Section, CD, APWD, Diglipur

Amount

Earth work in excavation by mechanical means (Hydraulic excavator)/manual means over areas (exceeding 30 cm in depth, 1.5 m in width as well as 10 sqm on plan) including getting out and disposal of excavated earth lead upto 50 m and for all lift, as directed by Engineer-in-charge.

All kinds of soil

Providing & Constructing Gabion Structure for erosion control, river training works and protection works with polymer wire crates of sizes each didvided into 1.00 mtr compartments by cross netting with mesh opening size 150 mm x 150 mm made from 9 mm polymer rope (PP) having weight of 40 grm/m with a tolerance of + or -8% 1560 kg breaking strenght (min) and after 1000 cycles of abration othe rope shall be subjected to tensile test as per IS:7071 (Part-IV) 1986, which shall be more than 85 % of the original breaking strenght of the rope the creates shall be filled with boulders with least dimension of 200 mm, all loose ends to be securely tied with 9 mm polymer wire as per specification of standard of gabions and as per the direction of the Engineer-in-charge