【正文】 oil immersed power transformers installation is responsible for confirming all the personnel have received necessary inductions / training before working. All construction personnel shall wear safety clothing and protection articles correctly that is relative to the type of operation being performed. All necessary prevention measures and protection articles during the construction should be given in the risk assessments. In case of any event that may have a potential Hamp。S regulations and shall follow the instructions as provided within the Hamp。l252。 Underground Gas Storage Project Construction Procedure For Oil Immersed Power TransformersAIssued For ReviewBin YangJianhua CaoRev. No.DateDescriptionPreparedCheckedApprovedEmployer BOTA?ContractorTCCDocument TitleConstruction Procedure For Oil Immersed Power TransformersDocument No.B11005 CM SCC CEM 20023Project CodeJob CategoryCompany CodeDocument CategorySerial NumberRev.TABLE OF CONTENTS1 INTRODUCTIONS 2 GENERAL 2 DEVELOPING BASIS 2 DEFINITION 2 SCOPE 22 GENERAL REQUIREMENT 2 REQUIREMENTS FOR PERSONNEL AND MATERIAL 2 QUALITY ASSURANCE PROVISIONS 3 HEALTH AND SAFETY REQUIREMENTS 3 ENVIRONMENTAL REQUIREMENTS 33 CONSTRUCTION OF TRAYSS AND LEDDERS 4 CONSTRUCTION CONDITIONS 4 PREPARE FOR CONSTRUCTION 4 SUPPORTORS/ TRAPEZES INSTALLATION 4 ASSEMBLY OF CABLE TRAYS AND CABLE LADDERS 5 CABLE TRAYS AND CABLE LADDERS EARTHING 5 COVER PLATE INSTALLATION 64 DOCUMENT 61 INTRODUCTIONS GENERALThis procedure covers the installation and related technical requirements of the oil immersed power transformers, the intent is as a guide for the workers. DEVELOPING BASIS Specification electrical installation, construction amp。 Tuz G246。l252。 testing SPCPLNTSG001003. Specification electrical earthing and lightning protection SPCPLNTSG001103. Electrical requirementsgeneral 4NGTL . Technical specification for grounding and lightning protection 4NGTL0GNE0026120. Technical specification for oil immersed power transformers 4NGTL . Technical specification for electrical installation testing 4NGTL 0GNE0026600. The design drawing of cable trays / cable ladders installation B11005XXXEH17001(“XXX” are unit number). High voltage test techniques IEC 60060. Power transformers IEC 60076. DEFINITIONThis document is applied to the following definitions:Project Name: Tuz G246。 Underground Gas Storage ProjectOwner: BOTASContractor: China Tianchen Engineering Corporation (TCC) SCOPEThe scope of supply and services covers delivery and installation of the oil immersed power transformers.The oil immersed power transformers works contractor (abbreviated to contractor in this specification) shall provide in all necessary materials to plete the oil immersed power transformers installation to the satisfaction of the employer ( BOTA?).2 GENERAL REQUIREMENT REQUIREMENTS FOR PERSONNEL AND MATERIAL The construction side shall provide all specialists, training, material, necessary hand tools and consumable material for the contractors. And the oil immersed power transformers works must be in accordance with this procedure. The oil immersed power transformers activity shall always be performed by trained and qualified workers, operators and stringers under the supervision and the direction of the special technician and supervisor. And the operators must have the certificate about machinery operating. Proper implementation of this procedure shall be ensured by the contractor’s engineering, construction and QA/QC departments, who will be responsible for checking and verifying the activity as well as countersigning reports. The HSE supervision from the contractor must be responsible for the safety during the installation of oil immersed power transformers. The team leader of the oil immersed power transformers shall be ensuring that the construction process is in accordance with the procedure requirements. QUALITY ASSURANCE PROVISIONS The contractor shall maintain a quality assurance system in accordance with ISO 9002. When field construction is conflict with this document the contractor should go to the side to make sure whether the alteration is needed. And any alteration could be carried out only prior acquire approve of the employer. The QA/QC inspectors of the contractor must assure that oil immersed power transformers application is performed as per the employer specifications and this procedure. HEALTH AND SAFETY REQUIREMENTS All construction personnel shall strictly adhere to the project Hamp。S Induction training. All personnel shall be fully aware of the requirements stipulated within the referenced Hamp。S risk, the work leader should keep in touch with the HSE department of the contractor. ENVIRONMENTAL REQUIREMENTS All construction personnel shall strictly adhere to the project environment regulations and shall follow the instructions as provided within the environment induction training. All personnel shall be fully aware of the requirements stipulated within the referenced environment documents. The supervisor is responsible for confirming personnel that have received necessary inductions / training