supply of public caution board retro reflective , public caution board retro reflective type for public, size-300mmx250x2mm with fittings an d fasteners, as per rdso drg no. re/33/p/7551 rev c or latest (drawings shall be only for the ref. of dimen sions of letter, symbols, holes and sheets) and as per rdso spec. no. eti/ohe/33a (12/97) rev-8 or latest. the material for base plate should be aluminum alloy sheet (is 737-1986) and material for numerals/symbo ls/letter should be made of retro-reflective high intensity micro prismatic sheeting (type-iv). (remarks-firm should submit the sample to the consignee for approval before bulk supply.) [ warranty period: 30 month s after the date of delivery ] ]