Rod gates/Needle/Pin Gates shall be fitted between the bunker & equipment below like feeder/screens etc. to control the feed rate and to isolate the equipment from the bunker during maintenance. The gate shall be normally in partial /full open position and shall be controlled manually. The gates shall be fabricated from rolled steel. All rods shall be of diameter that ensures no bending. The spacing between rods shall be decided based on size of material stored in hopper/ bin & direct material load.