Single sided Double Guard MASE Metal Beam Crash Barrier System 1.80m high, comprising of 3mm thick wall beams, posts and spacer channels shall be made by cold roll forming using HR conform to IS 5986 Fe.410 / 360 and dip galvanized having Zinc Mass of 550 gms / sqm. minimum 95 mm. above road / ground level, fixed on ISMC series channel vertical post 150 x 75 x 5 mm spaced 2m centre to centre, 312mm x 83mm. flange width x 3mm. thick 4318 mm. long Post directly embedded in the concrete (M15) pit size: 350 x 350 x 800 mm for a depth of 750mm below ground. All fixing bolts and nuts hot dip galvanized conforming to IS: 1367 clause 4.60 all complete as per Technical specification and as directed by the Engineer-in-charge.