Road Safety work at accidental prone area/places of Tiuni-Purola-Nagaon motor road (SH-17) at km 1 to 20 of Chakrata Constituency, District Dehradun (under Road Safety head).

Amount

Type - A, "W" : Metal Beam Crash Barrier Providing and erecting a "W" metal beam crash barrier comprising of 3 mm thick corrugated sheet metal beam rail, 70 cm above road/ground level, fixed on ISMC series channel vertical post, 150 x 75 x 5 mm spaced 2 m centre to centre, 1.8 m high, 1.1 m below ground/road level, all steel parts and fitments to be galvanised by hot dip process, all fittings to conform to IS:1367 and IS:1364, metal beam rail to be fixed on the vertical post with a spacer of channel section 150 x 75 x 5 mm, 330 mm long complete as per clause 810 ( if Concrete Required for Vertical post Fixing will be paid extra)

Construction of Parapet in size 2.00x0.45x0.60 Mt. including excavation in cement plum massonary with 40% plum & 60% 1:3:6 cement concrete & white washing including supply of all labour materials and T&P etc. required for proper completion of work.

Providing and fixing of retro reflectorised cautionary, mandatory and informatory sign as per IRC :67 made of Class-B Type IV retro reflective sheeting fixed over 3mm/4mm thick Aluminium composite material sheet vide clause 801.3, depending on the size of the sign fixed over back support frame of min 25 x 25 x 3mm Angle mounted on a mild steel a mild steel circular pipe 65 NB, 3.2 mm thickness, firmly fixed to the ground by means of properly designed foundation with M25 grade cement concrete 45 cm x 45 cm x 60 cm, 60 cm below ground level as per approved drawing. The sign shall be maintained as per section 12 of IRC 67.

600 mm equilateral triangle

800 mm x 600 mm rectangular

600 mm x 450 mm rectangular

Road Delineators / Vertical Guide Posts: Providing and fixing of Standard Metal Delineator consisting of minimum retro reflective unit exposed area of 330 sqcm, full cube corner micro prismatic nonmetallic retro reflective sheeting on each side conforming with IRC 67 and meeting the coefficient of retro reflection values as per ASTM D 4956 Type XI table specification with pure polyester powder coating with the minimum thickness of powder coating of not less than 40 micron. The posts shall have ellipsoidal or circular design with the height of the pole shall be 800 to 900 mm above the ground with about 200 to 300 anchored with PCC M-15 onto the ground. The front and back faces of the delineator should be curved with a radius of not more than 200 mm and with delta angle (or central angle of curve) lying between 20o and 30 o, to increase the visibility of the delineator for vehicles moving in continuous curves. The delineator shall have sufficient arrangement to make the reflective sheets vandalproof. Including all test report and warranties as per IRC 67 and IRC 79.

Rama Gupta Constructions