RRT Work for Package-5 (VZ 15) of Rangit-IV HE Project, Sikkip.

Clearing jungle including uprooting of rank vegetation, grass, brushwood,trees and saplings of girth upto 30cm measured at a height of 1m above ground level and removal of rubbish upto a distance of 50 m outside the periphery of the area cleared.

Excavation work by mechanical means (Hydraulic Excavator)/ manual means in foundation trenches or drains exceeding 30cm depth, 1.5 m in width or 10 sqm on plan including dressing of sides and ramming of bottoms lift upto 1.5 m, including getting out the excavated soil and disposal of surplus excavated soils as directed, within a lead of 50m

Providing and Laying Plum concrete in 1:2:4 c.c. (1cement, 2coarse sand, 4clean hard graded stone chips of 20 mm down nominal gauge) with 70% clean hard stone of sizes not exceeding 15cm including shuttering, compacting and curing complete, as per the direction of Engineer in Charge.

Providing and Laying in position cement concrete of specified grade including compacting curing etc all complete. 1:2:4 mix. (1 cement, 2 coarse sand, 4 graded stone aggregate of 40mm & down size)

Providing, fixing & removing form work for casting R.C.C items as indicated below: with locally available timber :Wall

Providing and fixing on wall face unplasticised Rigid PVC rain water pipes conforming to IS : 13592 Type A, including jointing with seal ring conforming to IS : 5382, leaving 10 mm gap for thermal expansion, (i) Single socketed pipes. 75 mm diameter

Filling with available excavated earth in trenches, plinth and side of foundation in building works with layers not exceeding 20cm in depth including consolidation of each layer by ramming, watering etc, all complete.

Providing, Fitting and fixing DI pipe, (excluding trenching, refilling, compacting  and  the cost of fittings) all complete 600mm dia D I pipe (K‐9)

Supply and installation of 0.3m thick Gabion mattress made of mechanically woven, double twisted, hexagonal shaped steel wire mesh, Mesh type 6X8 as per IS 16014:2018, Mesh wire dia 2.2 / 3.2 mm (ID/OD ), with double partition with prefabricated X - Ties, Zinc+ High abrasion resistance polymer class A coated, Dark Brown rust not more than 5 % after subjecting to 6000 hours of neutral salt spray as per ISO 9227 and polymer should be resistant to abrasion after 300 cycles and shall not expose metal wire in accordance with the procedure described in ASTM A 975, Mechanically edged/selvedged, with partition at 1 m interval , tying with lacing wire of diameter 2.2/3.2 mm (ID/OD), placing at indicated places in dry condition at easily accessible location as per direction of Engineer including tools, plant, labour etc. complete in all respect (inclusive of supply and filling of stones), carrying the material from nearest approach with all leads & lifts, manpower & machinery, materials, labor etc. complete as per detailed technical specifications and as directed by Engineer in charge. The abrasion resistance test shall confrm to ASTM A 975.Minimum Tensile strength 37 Kn/m & punch strength 21 Kn as per IRC 116, IS 16014 & Morth specification for road & bridge works, Section 2500. (Size - 3 x2x 0.3)

Supply and installation of polyester needle punched non woven geotextile as filter media below Gabion mattress, as per MoRTH 700 Type-I geotextile. The width of geotextile roll shall not be less than 4.5 m, at easily accessible location including top and bottom, with all leads and lifts, manpower and machinery, materials, labour etc. complete and as directed by Engineer - In - Charge.