The bollards are to be installed in one area only.
a) Supply and Install Crash rated Shallow Bollards (200mm deep) to withstand a 7.5 tonne truck travelling at 64km/hr at 90 degrees. Stainless steel cover and 900mm-950mm above ground level. (Around 15 off)

b) Supply and Install Moveable Hydraulic Bollards (Around 350mm diameter) and the power unit with a bank of 5 to cover an 8m roadway area. Blocking height must be 1000mm-1100mm. Bollards remain in raised position in the event of a power failure. Bollards must be able to be lowered manually in the event of a power failure. Three phase power which is close by will supply the unit. Maximum bollard edge spacing is 1500mm. Designed to withstand a 7.5 tonne vehicle traveling at 64km at 90 degrees.