Public Works Department Tender

Providing and erecting a "Thrie" metal beam crash barrier comprising of following three factory made unites-viz. 1) Thrie Beam 2) Spacer Block 3) Vertical Post. The Thrie beam 3mm thick cold roll formed guard rail raw material Conforming to IS-5986-2011 with minimum Grade 255 & with minimum yield stress of 255 Mpa which is fixed by bolted connection to spacer block C-channel of size 75mmx150mm & 5mm thick, 54.6cm height spaced 2meter centre to centre, fixed to Vertical Post C-channel of size 75mmx150mm &5mm thick cold roll formed section made from HR coils raw material conforming to IS-5986-2011 with minimum Grade 255 & with minimum yield stress of 255MPa, with 85cms free height above road or Ground level, and embedded to 115cms deep in cement concrete block of size 35cm*35*115cm of minimum grade M15 (1:2:4) or as directed by Engineer Incharge, assembled & fixed as per drawings of MORTH&H Circular No.RW/NH/33022/1/94-DO/III, dated 24/6/1994 & construction operation as per 811 or relevant MORT&H specifications for Roads & Bridge Works (latest edition). All fittings (bolts,nuts,fasteners,washers etc.) shall be conforming to IS:1367 & IS:1364 & galvanished by hot dip zinc coated process @0.55kg/m2 conforming to relevent IS specifications all etc.complete

Applying priming coat with ready mixed primer of approved brand and manufacture on steel work.

Painting (two or more coats) with synthetic enamel paint of approved brand and manufacture in all shade or new work over and under coat of suitable shade with ordinary paint of approved brand and manufacture to give an even shade