galvanizing for all connections with bolts, nuts and washers.
All posts shall be structural steel designation A 36, equivalent to AASHTOM 270 M designations Grade36, ASTMA 709 Grade 36 andM 183,with a minimum breaking strength of 4060kg/cm and a mini mum yield strength of 2520kg/cm, Section I W6x15type(with wing 6 ) of L 1.11m.
Elements:
Beam rail DOUBLE WAVE, length 3.81m.
Terminal tail of duck (Baranda flexible beam), length 1.80m.
Galvanized metl post to flex beam guardrail, height 1.11m.