supply of fixing of hectometer boards in psc sleepers & manufacturing fabrication and supply of triangular box type retro-reflective hectometer sign boards.fixing of hectometer boards in psc sleepers & manufacturing fabrication and supply of triangular box type retro-reflective hectometer sign boards.,fixing of above hectometer boards in psc sleepers in track which includes drilling required h oles in sleepers in situ of 8 mm dia with self tapping screws and other required hardware, including tools, pl ants, material, manpower etc. [ warranty period: 12 months after the date of delivery ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitted: max 8 lacs ] ] , manufacturing fabrication and supply of triangular box type retro-reflective hectometer sign boards as shown in the attached drawing made up of thermoset plastic toughened mounding composite sh eets of 3mm ( +/-0.25 mm) grade (encapsulate lence type) sheeting of 3 m in blue and white colour includi ng subject matters, message , symbols, borders, fixed additionally with 4 rivets on two visible sides of trian gular box, pasted on substrate by suitable adhesive material, to be drilled with 4 nos of 8 mm dia hole at b ottom plate as given in the drawing of size 410 x 168 x 150 mm for vadala- panvel of hb lines. [ warranty period: 12 months after the date of delivery ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitted: max 8 lacs ] ]