bids are invited for custom bid for services - oem inspection of heat exchanger ce307 in cdu-2 at bpcl-kr operation and maintenance of other machines and plants contractors electrical safety regulations-rev 1.2017 cea regulation 3 designating persons to operate and work on electrical lines & apparatus cea regulation 5 duties of electrical safety officers cea regulation 19 handling of electric supply lines and apparatus cea regulation 21 cables for portable or transportable apparatus cea regulation 27 provisions applicable to protective equipment cea regulation 32 installation and testing of generating units cea regulation 33 precautions against leakage before connection cea regulation 37 conditions applicable to installations of voltage exceeding 250v cea regulation 41 connection with earth cea regulation 42 earth leakage protective device cea regulation 43 approval by electrical inspector cea regulation 110 precautions where gas exists oisd-std-105 work permit system oisd-rp-110 recommended practices on static electricity oisd-std-113 classification of area for electrical installations at hydrocarbon processing & handling facilities oisd-std-137 inspection of electrical equipment oisd-rp-146 preservation of idle electrical equipment oisd-rp-147 inspection & safe practices during electrical installations oisd-rp-148 inspection & safe practices during overhauling electrical equipment oisd-rp-149 design aspects for safety in electrical systems oisd-std-155 personal protective equipment oisd-std-173 fire prevention and protection system for electrical installations oisd-gdn-180 lightning protection oisd-gdn-192 safety practices during construction oisd-gdn-206 guidelines on safety management system in petroleum industry total quantity :