tree guard for nh bar bilara jodhpur tree guard for nh bar bilara jodhpur , rcc tree guard , providing and fixing square rcc tree guard per panel of 600mm side ( width ) and 2000mm height, having thickness of 37mm, made out of m20 grade concrete with approximate 1 / 3rd perforated area including 4 number of cuts of d shape near bottom of tree guard. in these tree guards the bars of 4mm and 6mm size will be used as per requirement. the weight of steel bars should not be less than 7.75 kg. total weight of tree guard should not be less then 228 kg complete as per enclosed drawing, design and as per directions. each tree guard should be marked with engraved fd. each tree guard should be coloured with green and yellow colour as per directions.