supply of retro-reflectiveretro-reflective,retro-reflective type warning board for neutral section 500 m of size 450x750x2 mm (pasted with non-reflective she et in blue colour and letters/symbols of retro reflective type-iv high intensity prismatic sheeting in white colour) conforming to rdso specification.no. eti/ohe/33a (12/97) rev-8 or latest and similar to rdso drg. no.re/33/347 mod-b or latest. (note:material to b e supplied at sse/trd railway office, adesar, near cpwi office railway station road, adesar, gujarat 370155, (mob-6353532792) ) [ warranty period: 30 months after the date of delivery ] ] , retro-reflective type warning board for neutral section 250 m of size 450x750x2 mm (pasted with non-reflective she et in blue colour and letters/symbols of retro reflective type-iv high intensity prismatic sheeting in white colour) conforming to rdso specification. no. eti/ohe/33a (12/97) rev-8 or latest and similar to rdso drg. no.re/33/355 mod-b or latest. (note: material to be supplied at sse/trd railway office, adesar, near cpwi office railway station road, adesar, gujarat 370155, (mob-635353279 2)) [ warranty period: 30 months after the date of delivery ] ] , retro-reflective type staff caution board (3 language- hindi, english, gujarati) size: 700mmx400x2mm as per rdso spec. no. eti/ohe/33a (12/97) rev-8 or latest and similar to rdso drg no.re/33/p/7561. (note: material to be supplied at sse/t rd railway office, adesar, near cpwi office railway station road, adesar, gujarat 370155, (mob-6353532792)) [ warranty perio d: 30 months after the date of delivery ] ] , retro reflective type dj open board as follows, switch off power plate made up of 2 m m aluminium sheet of size 800 x 400 mm pasted with non-reflective sheeting of blue colour. letters / symbols of retro reflective colour, letters/symbols of retro reflective type-iv high intensity prismatic sheeting in white colour as per rdso spec. no. eti/ohe/33a (12/97) rev.8 or latest and similar to rds o drg. no.