Road Protection Work/Slope Stability Measures st Ch. 12.200 km-Ch. 12.284 km along Lambidhar-Kimadi-Dehradun Road, SH-79, Uttarakhand

Excavation in Soil with Dozer with lead upto 1000 metres (Excavation for roadway in Soil/ordinary rock by mechanical means, including cutting and transporting the earth to site of embankment/dumping area with lead upto 1000 metres, trimming bottom and side slopes in accordance with the requirements of lines, grades and cross sections.)

Supply and installation of high tensile rolled cable net having aperture size not more than 300mm in one direction and minimum longitudinal tensile strength 100 KN/M and puncturing resistance 200 kN,comprising of minimum 8mm dia wire rope cable with a minimum breaking load of 40.7kN. The tensile strength of wire of the cable should be 1770 N/sqmm having corrosion protection of Zn Coating Class A or 95% Zn + 5% Al Class-B (Galfan) Coating as per IS/ISO-17746-2016 for treatment of slopes including all cost of material (net, boundary rope & rope anchor etc. comprising of the complete system), labour, special labour and T&P required to complete the work in all respect in accordance with drawings,Technical Specifications and as per the direction of Engineer-in-charge. Product Manufacturer shall have in-house test facility for conducting longitudinal tensile strength and puncturing resistance test and shall be responsible for carrying out both test (longitudinal tensile strength and puncturing resistance) during PDI, per lot in presence of respresentative/s of E-i-C on his own expenses.

Supply and fixing of Double Twisted Mesh including all cost of material, labour and T&P required tocomplete the work in all respect with following properties: a. Mesh type : 6x8, Mesh opening : 60mm X 80mm b. Mesh Wire dia. 2.2/3.2mm (ID/OD), mechanically edged/selvedged with galvanization as per EN10223-3, and shall have minimum 16 numbers of mesh openings per meter of mesh perpendicular to twist. c. Tensile strength (500 Mpa) at a minimum elongation of 10%. The minimum tensile strength of the mesh panel must be 34.0 kN/m (+/-5kN/m) in the parallel to the twist direction and 13 kN/m in the perpendicular to the twist direction in accordance with the requirements of IS 16014:2018. d. Zinc Coating: The coating weight shall be heavily coated and soft type confirming to the requirements ofspecifications IS 4826:1972. Adhesion of Zinc Coating: No flakes or crack shall be observed while testing for adhesion of zinc coating as per IS 4826:1972.* ID/OD - Internal diameter/Outer diameter of Polymer coated wire

Supply and Installation of Self driven rock anchor made of 40CR material with outer dia of 38 mm and inner dia of 19 mm, Yield Load Carrying Capacity of Minimum 400 KN in soil / overburden /rock suitable for drilling placing and cement grouting. Installation with all accessories such as 76 mm dia drill bit, couplers,10mm thick base plate and nut and bolt complete in all respect but excluding the cost of cement grouting which will be paid extra as per relevant BOQ item.

Cement pressure grouting through Hollow Soil/Solid Rock Anchor of outer dia 76/51/38/32/25 in Rock/overburden including all cost of material and equipments required to complete the grouting work at desired pressure.

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.(Ordinary Soil-manual means,upto 3m depth)