International Consensus Standards

1 International Consensus Standardsfor CommerCial Diving anDUnDerwater editionassoCiation of Diving ContraCtors internationalInternational Consensus Standards For Commercial Diving And Underwater Operationsi International Consensus Standards FOR COMMERCIAL DIVING AND UNDERWATER EDITIONASSOCIATION OF DIVING CONTRACTORS International , Education CommunicationiiNo responsibility is assumed by the Association of Diving Contractors International , Inc. (ADCI), its members, board of directors, officers or publisher for any injury and/or damage to persons or property as a matter of liability, negligence or otherwise, or from any use or operation of any methods, product, instruction, Standards , rules or ideas contained in the material herein. No suggested test or procedure should be carried out unless, in the reader s judgment, its risk is justified and the reader assumes all rights reserved. No part of this book may be reproduced, stored in a retrieval system or transmitted in any form or by any means (electronic, mechanical, photocopying, microfilming, recording or otherwise) without written per mission from the Association of Diving Contractors International , Association of Diving Contractors International , Inc.

2 Printed and bound in the United States of America. International Standard Book Number: 0-941332-45-4. Library of Congress control number: by:Association of Diving Contractors International , Inc. 5206 FM 1960 West, Suite 202 Houston, TX 77069 Edition 1991 Fourth Edition 1992 Fifth Edition 2004 Sixth Edition 2011 Sixth Edition 2014 (Revision ) Sixth Edition 2016 (Revision ) International Consensus Standards For Commercial Diving And Underwater OperationsiiiThe Mission of the ADCI is: To promote the highest possible level of safety in the practice of commercial diving and underwater operations. To promote proper and adequate training and education for industry personnel. To foster open communication within the underwater industry. To hold all members accountable in adherence to the International Consensus Standards for Commercial Diving and Underwater Mission of the ADCI is: To promote the highest possible level of safety in the practice of commercial diving and underwater operations.

3 To promote proper and adequate training and education for industry personnel. To foster open communication within the underwater industry. To hold all members accountable in adherence to the International Consensus Standards for Commercial Diving and Underwater Consensus Standards For Commercial Diving And Underwater OperationsivTABLE OF CONTENTSRECORD OF CHANGES general PROVISIONS SCOPE AND APPLICATION 2 purpose 2 PRESERVATIVE ACTS DIVING PERSONNEL MEDICAL AND TRAINING REQUIREMENTS general 4 COMMERCIAL DIVING TRAINING REQUIREMENTS 4 ENTRY-LEVEL QUALIFICATIONS 4 MINIMUM REQUIRED EXPERIENCE AND PROFICIENCY 4 DIVER MEDICAL REQUIREMENTS 5 general 5 PHYSICAL EXAMINATION 5 RE-EXAMINATION AFTER INJURY OR ILLNESS 5 TABLE 1 MEDICAL TESTS FOR DIVING 6 PHYSICIAN S WRITTEN REPORT 6 DISQUALIFYING CONDITIONS 6 WITHDRAWAL FROM HYPERBARIC CONDITIONS FOR DIVERS 7 MEDICAL RECORD KEEPING 7 VENOMOUS FISH STINGS

4 7 MEDICAL GUIDELINES AND RECOMMENDATIONS 8 INTRODUCTION 8 ADCI PHYSICAL EXAMINATION Standards 9 ADCI MEDICAL HISTORY AND EXAMINATION FORMS 13 NEUROPSYCHIATRIC 17 MEDICATION 17 DISCLAIMER 17 BMI TABLES 18 BODY FAT TABLE AND BODY FAT PERCENTAGES COMPARISON TABLE 19 MAXIMUM ALLOWABLE WEIGHT CHART 19 RETURN TO DUTY AFTER DIVING RELATED INCIDENTS 20 FRAMINGHAM CARDIAC RISK CALCULATOR 20 International Consensus Standards For Commercial Diving And Underwater DIVING PERSONNEL RESPONSIBILITIES, QUALIFICATIONS AND CERTIFICATIONS COMMERCIAL DIVER CERTIFICATION PROGRAM 25 general REQUIREMENTS 25 QUALIFICATIONS AND CERTIFICATIONS 25 SCOPE AND APPLICABILITY 25 CERTIFICATION AND TRAINING MATRIX 26 DOCUMENTATION ACCEPTED 26 CARD ISSUE 27 DATABASE MAINTENANCE 27 PHOTO INSTRUCTIONS FOR COMMERCIAL DIVER CERTIFICATION CARDS 27 APPLICATIONS 30 ENTRY-LEVEL TENDER/DIVER 35 RESPONSIBILITIES 35 QUALIFICATIONS AND CERTIFICATIONS 35 CERTIFICATION CARD DESCRIPTION 36 CERTIFICATION CARD REQUIREMENTS 36 SURFACE-SUPPLIED AIR DIVER 36 RESPONSIBILITIES 36 QUALIFICATIONS AND CERTIFICATIONS 37 CERTIFICATION CARD DESCRIPTION 37 CERTIFICATION CARD REQUIREMENTS 37 SURFACE-SUPPLIED AIR DIVING SUPERVISOR 37 RESPONSIBILITIES 37 QUALIFICATIONS AND CERTIFICATIONS 39 CERTIFICATION CARD DESCRIPTION 39 CERTIFICATION CARD REQUIREMENTS 39 HeO2/MIXED-GAS DIVER 39 RESPONSIBILITIES 39 QUALIFICATIONS AND

5 CERTIFICATIONS 40 CERTIFICATION CARD DESCRIPTION 40 CERTIFICATION CARD REQUIREMENTS 40 HeO2/MIXED-GAS DIVING SUPERVISOR 40 RESPONSIBILITIES 40 QUALIFICATIONS AND CERTIFICATIONS 42 CERTIFICATION CARD DESCRIPTION 42 CERTIFICATION CARD REQUIREMENTS 42 International Consensus Standards For Commercial Diving And Underwater Operationsvi BELL/SATURATION DIVER 42 RESPONSIBILITIES 42 QUALIFICATIONS AND CERTIFICATIONS 43 CERTIFICATION CARD DESCRIPTION 43 CERTIFICATION CARD REQUIREMENTS 43 BELL/SATURATION DIVING SUPERVISOR 43 RESPONSIBILITIES 43 QUALIFICATIONS AND CERTIFICATIONS 45 CERTIFICATION CARD DESCRIPTION 45 CERTIFICATION CARD REQUIREMENTS 45 LIFE-SUPPORT TECHNICIAN 46 RESPONSIBILITIES 46 QUALIFICATIONS AND CERTIFICATIONS 47 CERTIFICATION CARD DESCRIPTION 47 CERTIFICATION CARD REQUIREMENTS 47 SATURATION TECHNICIAN 48 RESPONSIBILITIES 48 QUALIFICATIONS AND CERTIFICATIONS 48 CERTIFICATION CARD DESCRIPTION 48 CERTIFICATION CARD REQUIREMENTS DIVING MODES.

6 DEFINITIONS, REQUIREMENTS AND GUIDELINES general INTRODUCTION 50 SELF-CONTAINED DIVING (SCUBA) 50 MINIMUM PERSONNEL REQUIREMENTS 50 OPERATIONAL GUIDELINES 50 MINIMUM EQUIPMENT REQUIREMENTS 51 SURFACE-SUPPLIED AIR DIVING 51 SURFACE-SUPPLIED AIR DIVING 0-100 fsw (0-30msw) WITH NO DECOMPRESSION 52 Minimum Personnel Requirements 52 Operational Guidelines 53 Minimum Equipment Requirements 53 SURFACE-SUPPLIED AIR DIVING 0-100 fsw (0-30msw) WITH PLANNED DECOMPRESSION 53 Minimum Personnel Requirements 53 Operational Guidelines 54 Minimum Equipment Requirements 54 International Consensus Standards For Commercial Diving And Underwater Operationsvii SURFACE-SUPPLIED AIR DIVING 101-190 fsw (30-57msw) 55 Minimum Personnel Requirements 55 Operational Guidelines 55 Minimum Equipment Requirements 56 ENRICHED-AIR DIVING (NITROX) 56 DEFINITION 56 general 57 REQUIREMENTS 57 TRAINING 58 OPERATIONAL PROCEDURES 58 Repetitive Dives 58 Diving at Altitude 58 Omitted Decompression 58 Decompression Chamber Requirement 58 GAS SUPPLIES 58 NITROX Breathing Gas Certifications and Labeling 58 NITROX Mix Testing 58 NITROX Mix Tolerance 58 Breathing Gas Purity 58 Cleaning for N2O2 Service 59 THERAPEUTIC PROCEDURES 59 SURFACE-SUPPLIED MIXED-GAS DIVING (HeO2) 59 OPERATIONAL GUIDELINES 59 MINIMUM EQUIPMENT REQUIREMENTS 60 SATURATION DIVING 60 OPERATIONAL GUIDELINES 61 MINIMUM EQUIPMENT REQUIREMENTS UNDERWATER OPERATIONS.

7 PROCEDURES, CHECKLISTS AND GUIDELINES SAFE PRACTICES/OPERATIONS MANUAL 63 EMERGENCY AID 63 DRUG AND ALCOHOL SCREENING 63 FIRST AID 63 DIVER S PERSONAL LOG BOOKS 65 DESIGNATED DIVING SUPERVISOR 65 STANDBY DIVER REQUIREMENT 65 International Consensus Standards For Commercial Diving And Underwater Operationsviii PLANNING AND ASSESSMENT 65 JOB/PROJECT SAFETY 66 DIVING AND SUPPORT PERSONNEL 66 EQUIPMENT 66 JOB HAZARD ANALYSIS (JHA) 66 TEAM BRIEFING 67 TERMINATION OF DIVE 67 POST-DIVE PROCEDURES 67 COMPANY RECORD OF DIVES (DIVE LOG) REQUIREMENTS 67 DECOMPRESSION PROCEDURE ASSESSMENT 68 MINIMUM REST HOUR POLICY 68 COVERAGE 68 HAZARDS TO UNDERWATER OPERATIONS 68 DIFFERENTIAL PRESSURE (DELTA P) 69 TYPES OF DELTA P 69 EXAMPLES OF DELTA P 69 RECOMMENDATIONS 69 REMOTE PRE-DIVE SURVEY METHODS 70 FORMULAS 70 MISCELLANEOUS FACTS 71 REFERENCES 71 TEMPORARY IMPAIRMENT OR CONDITION 72 ENTERING AND LEAVING THE WATER 72 REQUIRED DECOMPRESSION CHAMBER AVAILABILITY 72 INSPECTION OF LIFE-SUPPORT SYSTEMS.

8 EQUIPMENT AND TOOLS 72 THERMAL EXPOSURES TO DIVING PERSONNEL 72 PROCEDURES FOR DIVING IN COLD WATER AND COLD WEATHER 72 Diver 72 Tender And Topside 73 Equipment And Maintenance 73 PROCEDURES FOR DIVING IN HOT WATER 74 Diver 74 Tender and Topside 74 Equipment and Maintenance 74 International Consensus Standards For Commercial Diving And Underwater Operationsix DIVING OPERATIONS WARNING DISPLAY 75 DIVER-WORN OR CARRIED EMERGENCY GAS SUPPLY 75 VOICE COMMUNICATIONS ON STATION 76 DIVE PLATFORM POSITIONING 76 PERSONAL PROTECTIVE EQUIPMENT 76 SAFETY PROCEDURE GUIDELINES 76 SAFE PRACTICES/OPERATIONS MANUAL 76 EMERGENCY AID 76 FIRST AID 76 PLANNING AND ASSESSMENT 77 HAZARDS TO DIVING OPERATIONS 77 UNDERWATER HAZARDOUS CONDITIONS 77 RECORD KEEPING 77 LIFE-SUPPORT EQUIPMENT PROCEDURES CHECKLIST 78 EQUIPMENT PREPARATION 78 general EQUIPMENT 78 PREPARING THE BREATHING GAS SUPPLIES 78 ACTIVATING THE BREATHING GAS SUPPLIES 79 BREATHING GAS HOSES 79 TESTING OF EQUIPMENT WITH BREATHING GAS SUPPLY ACTIVATED 79 DECOMPRESSION CHAMBER CHECKOUT (PRE-DIVE ONLY)

9 79 FINAL PREPARATIONS 80 HAND-HELD POWER TOOLS 80 ELECTRICAL HAZARDS 80 SWITCHES AND CONTROLS 80 WELDING AND BURNING 80 general REQUIREMENTS 80 EQUIPMENT AND SETUP REQUIREMENTS 81 SAFETY RECOMMENDATIONS 81 EXPLOSIVES 82 general 82 TRANSPORT AND STORAGE 82 CIRCUIT TESTS 82 AREA CLEARANCE 82 DETONATION DEVICES 82 International Consensus Standards For Commercial Diving And Underwater Operations x International Consensus Standards For Commercial Diving And Underwater Operations UNEXPLODED ORDINANCE 82 UNDERWATER LIFT BAG OPERATIONS GUIDELINES 82 purpose 82 PRECAUTIONS 82 DEFINITIONS 82 RESPONSIBILITY 83 POTENTIAL HAZARDS ASSOCIATED WITH UNDERWATER LIFT BAG OPERATIONS 83 RECOMMENDED WAYS TO MITIGATE POTENTIAL HAZARDS ASSOCIATED WITH UNDERWATER LIFT BAG OPERATIONS 83 OPERATIONAL CONSIDERATIONS WHEN USING UNDERWATER LIFT BAGS 84 UNDERWATER EXCAVATION OPERATIONS GUIDELINES 84 purpose 84 FACTORS TO CONSIDER 84 DEFINITIONS 84 RESPONSIBILITY 84 POTENTIAL HAZARDS ASSOCIATED WITH DEEP-DITCH OPERATIONS 85 RECOMMENDED WAYS TO MITIGATE POTENTIAL HAZARDS ASSOCIATED WITH DEEP-DITCH OPERATIONS 85 MINIMUM PERSONNEL REQUIREMENTS FOR DEEP-DITCH OPERATIONS 85 MINIMUM EQUIPMENT REQUIREMENTS FOR DEEP-DITCH OPERATIONS 85 PERSONNEL QUALIFICATIONS 85 HAND JETTING ON PIPELINES PIPE MOVEMENT 86 HIGH-PRESSURE WATER BLASTING 86 INTRODUCTION 86 general 86 PLANNING AHEAD FOR WATER BLASTER SAFETY 87 POTENTIAL HAZARDS 87 PRIOR TO COMMENCEMENT OF UNDERWATER WATER BLASTING OPERATIONS 87 PENETRATION DIVING 88 DEFINITIONS 88 PERFORMING PENETRATION DIVING 88 MINIMUM PERSONNEL REQUIREMENTS FOR PENETRATION DIVING OPERATIONS 88 EXAMPLES OF PENETRATION DIVING 88 POTABLE WATER DIVING OPERATIONS 89 general 89 OPERATING PROCEDURES 89xi International Consensus Standards For Commercial Diving And Underwater

10 Operations Non-isolated Storage Facility Operations 89 ISOLATED STORAGE FACILITY OPERATIONS 89 EQUIPMENT AND PERSONNEL REQUIREMENTS 89 Equipment 90 SAFETY 90 general REQUIREMENTS 90 CONTAMINATED WATER DIVING OPERATIONS 90 TRAINING 91 SITE EVALUATION 91 TOPSIDE PERSONNEL PROTECTIVE EQUIPMENT: EPA SELECTION GUIDELINES 91 DIVER-WORN OR CARRIED EQUIPMENT AND ACCESSORIES 93 DECONTAMINATION PROCEDURES 93 HAZARD EVALUATION AND IDENTIFICATION 94 HYDROGEN SULFIDE (H S) RECOMMENDED GUIDELINES 95 purpose 95 SCOPE 95 RESPONSIBILITY 95 PROCEDURE 95 Definition 95 H S Operational Guidelines 95 Diving Operations LIFE-SUPPORT EQUIPMENT: REQUIREMENTS, MAINTENANCE AND TESTING general 98 MAINTENANCE RECORDS 98 DIVER S DRESS 98 general 98 DRY SUITS 98 HOT WATER SUITS 98 HARNESSES 98 WEIGHT BELTS 99 DIVER-WORN OR CARRIED EMERGENCY GAS SUPPLY 99 HELMETS AND MASKS 100 general 100 HEAVYWEIGHT DIVING HELMETS 100 LIGHTWEIGHT DIVING HELMETS 100 International Consensus Standards For Commercial Diving And Underwater Operations xii CLOSED-CIRCUIT AND GAS-RECLAIM-SYSTEM HELMETS 100 BIBS (BUILT-IN BREATHING SYSTEMS) 101 HOSES 101 general 101 OXYGEN HOSES UTILIZED FOR BREATHING GAS 101 UMBILICALS 101 OXYGEN HOSES 102 BREATHING GAS HOSES (HP) (High pressure hoses associated with the breathing gas system) 102 COMPRESSOR SYSTEMS 103 COMPRESSORS AND GAS PUMPS 103 FILTRATION 103 TESTING 103 AIR PURITY REQUIREMENTS 103 LAUNCH AND RECOVERY SYSTEMS (LARS)