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Specification for Central Road Divider

Construction of CC M15 grade Central Road Divider as per approved drawing and Technical specifications including excavation of existing B.T.Surface or any type of surface to the required depth and width as specified in the drawing including cost of formwork, all T&P, water charges, curing, etc., complete for finished item of work, as directed by Engineer-in-Charge and as per MORT&H specification nos. 202, 1500, 1700, 2100 and 2200

Central Road Divider: Painting two coats using 1st quality synthetic enamel paint over one coat of appropriate primer of approved brand, colour, and shade over the concrete surface as per the approved pattern etc., complete for finished item of work, as directed by Engineer-in-Charge and MORT&H specification no.803

 Specification for Object Markers

Supplying and installation of object markers 5cm dia MS medium ISI pipe class B painted with two coats of 1st quality synthetic enamel painted with white, over one coat of appropriate primer of approved brand and shade, kept at 80cm high above ground level with triangular panels of size 30cm fixed at top, 3nos.circular red reflectors of 7.5cm dia fixed standard supports, buried in a trench of size of 30cm x 30cm and 50cm depth filled with CC 1:2:4 / fixed in the divider concrete directly as directed by the Engineer-in-Charge and conforming to IRC 79-1981 & MORT&H specification no.805 and approved drawings etc., complete for finished item of work.

Codes: IRC 79-1981 & MORT&H specification no.805

Specification for Roadway Indicator 

Supply and installation of Precast RCC M15 grade Roadway Indicators of size 10cm x 10cm, 90 cm high above ground level, painted with two coats of black and white in 15cm wide stripes, with first quality synthetic enamel paint over one coat of appropriate primer of approved brand, colour, and shade over the concrete surface fitted with 80x100mm rectangular/or 75mm dia reflectorized (front side white and back side red) panels at the top with standard supports and buried into the ground in a trench of size 30cm x 30cm and 50cm depth filled with CC 1:2:4, as directed by Engineer-in-charge and conforming to IRC 79-1981 & MORTH specn.no.805 and approved drawings etc., complete for finished item of work.Codes: IRC 79-1981 & MORT&HSpecn.No.805.

Specification for Hazard Markers: 

Supplying and installation of Hazard Markers using M.S.angle of size 55X55X6mm and 120cm high above ground level painted with two coats of black & white stripes of 15cm wide with first quality synthetic enamel paint over one coat of appropriate primer of approved brand, colour, with 30cm x 90cm striped reflectorized panels fixed at top over 4mm FRP sheet with standard supports consisting of alternately (black and yellow) stripes sloping downward at an angle of 45 towards the side of the obstruction on which the traffic is to pass and buried into the ground in a trench of size 50cm x 50cm and 60cm depth filled with CC 1:2:4 as directed by Engineer-in-Charge and conforming to IRC 79-1981 & MORT&H specification no.805 and approved drawings etc., complete for finished item of workCodes: IRC 79-1981 & MORT&H specification no.805

Specification for Rumble Strips

Construction of Rumble Strips with hot premixed bituminous material as per approved drawing and technical specifications with raised section of 25mm high, 300mm wide, place about one metre centre to centre, with a series of 7nos strips at one location, including marking strips in the specified location, clearing of all dust, loose particles, applying tack coat, cost of form work, all T&P charges, compacting, rounding the edges and finishing the surface to the required shape, etc. complete as directed by Engineer-in-Charge, for finished item of work and as per IRC 39 – 1986 & 99

Codes : IRC 39 & 99

Specification for Studs  

Providing and fixing raised pavement markers (reflective road studs) made of Polycarbonate moulded body, HIPS (Hi-impact polystyrene), ABS & ASA (Acrylic Strene Acryl nitrite) type etc. and reflective panels with micro prismatic lens capable of light entering the lens face and conforming to ASTM D 4280 , ASTM D 788 , ASTM E 809 (CLI – coefficient of luminous intensity), & BS 873 part 4 : 1973 and complying to guidelines issued by MORTH circular no. RW/NH/33023/10-97- DO III dt.11-6-1997. The height, width and length shall not exceed 20mm, 130mm and 105mm and with minimum reflective area of 13 sqcm.on each side and the slope to the base shall be 35 +/- 5. Fixing will be without nails but by using twin polymer shanks using bituminous adhesive on bituminous roads or without polymer shanks with epoxy resin based adhesive on CC roads as per manufacturer’s recommendation including site clearance etc. and complete as directed by the Engineer in charge.

Standards: ASTM D 4280 , ASTM D 788 , ASTM E 809 (CLI – coefficient of luminous intensity), & BS 873 part 4 : 1973

Circulars: MORT&H circular no. RW/NH/33023/10-97- DO III dt.11-6-1997.

Specification for Centre line marking 

Providing centreline marking of 300cm length and 10cm width with a gap of 450cm with thermoplastic paints conforming to IS : 164-1981 (1st revision reaffirmed in 1986) and clause 803 of MOST specifications for Road & Bridge works and also conforming to IRC 35-1997.

Codes: IS : 164-1981 (1st revision reaffirmed in 1986)

MORT&H specification clause 803IRC 35-1997

Specification for Zebra Markings: 

Providing Zebra pattern stripes marking for pedestrian crossing with equally spaced white stripes 500 mm wide and 500 mm gap and length of 2 m to 4 m with thermoplastic paints conforming to IS: 164-1981 (I st revision, reaffirmed in 1986) and clause 803 of MOST specification for Road & Bridge works and also conforming to IRC 103-1988 & IRC 35-1997.

Codes: IS: 164-1981 (I st revision, Reaffirmed in 1986) MOST specification Clause 803.IRC 103-1988 & IRC 35-1997.

Specification for Cautionary/Warning Signs

Providing and fixing Cautionary/Warning sign boards size 900 mm equilateral triangle made out of Retro reflective sheeting of Type – III of ASTM D4956-01 for full background of White colour and letters/logos done by screen printing in Black colour, boarders by screen printing in Red colour as per IRC: 67-2001 and fixed over 4 mm thick FRP sheet and painted back side with grey colour and fixed over back support frame of MS angle 25x25x3 mm all round and mounted on a MS angle post of size 75x75x6 mm with clear height of not less than 2.1 m from the ground level the bottom of the board. The signpost should be painted with one coat of red oxide paint and 2 coats of synthetic enamel paint of every 30 cm with Black & White colour. The signpost shall be firmly fixed with MS base angle 35x35x4 mm in to the ground by 1:2:4 Concrete foundation of size 450x450x600 mm.

StandardsRetro Reflective Sheeting: Type-III of ASTM D4956 – 01.Sign Design and fabrication: As per IRC: 67-2001.Circulrs: Most No. RW/NH-33023/31/88-DO-III dt: 4-11-1995.

Specification for Mandatory/Regulatory Signs

Providing and fixing Mandatory/Regulatory sign boards size 600MM/900 mm circle made out of Retro reflective sheeting of Type – III of ASTM D4956-01 for full background of White colour and letters/logos done by screen printing in in black colour, boarders by screen printing in Red colour as per IRC: 67-2001 and fixed over 4 mm thick FRP sheet and painted back side with grey colour and fixed over back support frame of MS angle 25x25x3 mm all round and mounted on a MS angle post of size 75x75x6 mm with clear height of not less than 2.1 m from the ground level the bottom of the board. The signpost should be painted with one coat of red oxide paint and 2 coats of synthetic enamel paint of every 30 cm with Black & White colour. The signpost shall be firmly fixed with MS base angle 35x35x4 mm in to the ground by 1:2:4 Concrete foundation of size 450x450x600 mm.

StandardsRetro Reflective Sheeting: Type-III of ASTM D4956 – 01.

Sign Design and fabrication: As per IRC: 67-2001.

Specification for Facility Informatory Signs

Providing and fixing Cautionary/Warning sign boards size 600X800 mm made out of Retro reflective sheeting of Type – III of ASTM D4956-01 for full background of Blue/White colour with screen printing of symbols in Black colour as per IRC: 67-2001 and fixed over 4 mm thick FRP sheet and painted back side with grey colour and fixed over back support frame of MS angle 25x25x3 mm all round and mounted on a MS angle post of size 75x75x6 mm with clear height of not less than 2.1 m from the ground level the bottom of the board. The signpost should be painted with one coat of red oxide paint and 2 coats of synthetic enamel paint of every 30 cm with Black & White colour. The signpost shall be firmly fixed with MS base angle 35x35x4 mm in to the ground by 1:2:4 Concrete foundation of size 450x450x600 mm.

StandardsRetro Reflective Sheeting: Type-III of ASTM D4956 – 01.Sign Design and fabrication: As per IRC: 67-2001.