bids are invited for pump shed at erpl bolpur explosion proof and weather proof uv ir flame detectors along with all mounting and other accessories as per tender specifications , explosion proof and weather proof hooters for hazardous area along with all mounting and other accessories as per tender specifications , explosion proof and weather proof beacons for hazardous areas along with all mounting and other accessories as per tender specifications , flame proof and weather proof junction boxes for hazardous areas along with all mounting and other accessories as per tender specifications , spd surge protection devices for analog signals from 3 wire infrared hydrocarbon detectors and 3 wire uv ir flame detectors , installation of explosion proof and flame proof junction boxes complete in all respects as per specifications and direction of engineer-in-charge , installation of uv ir flame detectors complete in all respects as per specifications and direction of engineer-in-charge , installation of explosion proof and weather proof manual call points hooters beacons in hazardous area complete in all respects as per specifications and direction of engineer-in-charge , signal cable copper size - 1 triad x 1.5 sq. mm , signal cable copper size - 8 triad x 1.5 sq. mm supply installation and commissioning of 6 nos of uvirs in total quantity : 1224