3. GENERAL SPECIFICATIONVENDOR SHALL SPECIFY:PROCESS DESCRIPTION AND OPERATING CONDITIONS:(TEMPERATURE, PRESSURE, GAS VELOCITY THROUGH CATALYST OR ADSORBENT BED, PRESSURE DROP THROUGH THE BED, ETC.).REQUIRED HYDROGEN FEED FLOWRATE TO BE PROCESSED BY PURIFICATION UNIT TO GUARANTEE THE PURIFIED HYDROGEN DESIGNFLOWRATE TO BE DELIVERED AT OUTLET.EXPECTED TAIL GAS FLOW, INCLUDING VARIATION, AND AVERAGE COMPOSITION.UTILITY AVERAGE AND PEAK CONSUMPTION RATES, INCLUDING NITROGEN USED FOR START-UP AND SHUTDOWN.THE DESIGN TEMPERATURE OF THE MAIN EQUIPMENT IN ACCORDANCE WITH THE MAXIMUM WORKING TEMPERATURE.CHARACTERISTICS OF EQUIPMENT SUGGESTED (VESSELS DIAMETER, CATALYST OR ADSORBENT HEIGHT, CATALYST OR ADSORBENTBED SUPPORT, ETC.). ADSORBER VESSELS DESIGN SHALL INCLUDE FATIGUE ANALYSIS FOR CYCLIC PRESSURE SERVICE.SCREWED FITTINGS SHALL NOT BE USED ON HYDROGEN LINES. FOR HYDROGEN PIPE THE API 941 REQUIREMENTS ARE MANDATORYFLANGES UP TO 1 ½" SHALL BE ANSI 300#.PRELIMINARY RATING/MATERIAL CONNECTIONS:FLARE NEWORK 150# 1CC2 RFINSTRUMENT AIR 150# 1CG2 RFNITROGEN 150# 4CC2 RFHYDROGEN FEED/PRODUCT 300# 2DC4 RF