Public Works Department Tender

No Standing, No Stopping and No Parking

Reflective Raised Pavement Markers (Cat Eye/ Road Stud) Supply and fixing of raised pavement marker with Made of Plastic body of RPM/ Road Stud shall be moulded from ASA (Acrylic Styrene Acrylonitrite) or HIPS (High-Impact Polystyrene) or Acrylonitrile Butadien Styrene (ABS) or Any other suitable material approved by the Engineer. The Marker shall support a load of 13,635 kg tested in accordance with ASTM D4280.The Reflective panels shall consist of number of lenses contatning single or dual prismatic cubes capable of providing total internal reflection of the light entring the lens face. Lenses shall be moulded of methyl methecrylate conforming to ASTM D788 or equivalent. The slop or retro-reflecting surface shall preferably be 35+/-5 degree to base and the area of each retro -reflecting surface shall not be less than 13.00 sq.cm. marker height shall not be less than 10 mm and shall not exceed 20 mm & Width shall not exceed 130 mm. The base of the marker shall be flat within 1.3 mm all road studs shall be legibly marked with the name , trade or other means of identification of the manufacture. epoxy installations, excess adhesive around the edge of the marker, excess adhesive on the pavement and adhesive on the exposed surfaces of the markers shall be immediately removed. The contractor shall submit a two year warranty for satisfactory field performance including stipulated retro-reflectance of the reflecting panel , to the Engineer . In addition , a two year warranty for satisfactory infield performance of the finished road marker shall also be given by the contractor who carries out the work of fixing of reflective road markers. In case the markers are displaced , damaged , get worn out or lose their reflectivity compared to stipulated standards , the contractor would be required to replace all such markers within 15 days of the intimation from the Engineer , at his own cost. The rate shall include all materials, labour, T&P, transportation, installation and incidentals all complete as per direction of the Engineer-in-Charge.As per SOR ch-26 SI no.-5 RPM with Shank

Providing and laying of hot applied thermoplastic compound 2.5 mm thick in white colour including reflectorising glass beads @ 250 gms per sqm area, thickness of 2.5 mm is exclusive of surface applied glass beads as per IRC:35 upto date The finished surface to be level, uniform and free from streaks and holes. Material shall be tree from all skins, dirt and foreign objects and shall comply with requirements as per Table 800-9 of (MORTH SPECIFICATION) Thermoplastic Material when tested in accordance with ASTM D36/BS-3262-(Part 1) daylight Luminance shall be AASHTO M 249 for white 45o-65% min. and for yellow 45% min. , Drying time not more than 15 minutes, skin resistance not less than 45 as per BS-6044, material shall show no cracks on application to concrete blocks at Low Temperature, softening point 102.5oC ± 9.5oC as per ASTM D36 and yellowness index for white thermoplastic paint not more than 0.12 as per AASHTO M 249. Container of the thermoplastic material shall be clearly and indelibly marked with Name, Trade mark or other means of indentification of manufacturer, Batch No., Date of manufacturer, Colour, Maximum application temperature and maximum safe heating temperature. Glass beads shall meet the gradation requirement as per Table 800-10 of MORTH SPECIFICATION. The Glass beads shall have a minimum Reflective Index of 1.5 and 70% Roundeness. The Pavement Temperature shall not be less than 10oC during application of Hot thermoplastic paint. The Contractor shall furnish to the Engineer a copy of certified test reports from the manufacturer of the thermoplastic material/glass beads showing results of all test specified in MORTH SPECIFICATION and shall certify that the material meet all requirement of specification. as Per SOR Ch-26 SI No.-2