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HAR 6-77-79 - HAR 6-77-79 Preparation for welding | Regulus

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Regulation documentation

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Sections200

HAR 6-77 Appendix AHAR 6-77 Appendix A Incorporated by Reference HAR 6-77 Appendix BHAR 6-77 Appendix B Qualification of Pipe HAR 6-77 Appendix CHAR 6-77 Appendix C Qualification of Welders for Low Stress Level Pipe HAR 6-77 Appendix DHAR 6-77 Appendix D Criteria for Cathodic Protection and Determination of Measurements HAR 6-77-1HAR 6-77-1 Scope of chapter HAR 6-77-2HAR 6-77-2 Definitions HAR 6-77-3HAR 6-77-3 Incorporation by reference HAR 6-77-4HAR 6-77-4 Telephonic notice of certain incidents HAR 6-77-5HAR 6-77-5 Addressee for written reports HAR 6-77-6HAR 6-77-6 Distribution system: incident report HAR 6-77-7HAR 6-77-7 Distribution system: annual report HAR 6-77-8HAR 6-77-8 Distribution systems reporting: transmission pipelines, transmission or HAR 6-77-9HAR 6-77-9 Transmission and gathering systems: incident report HAR 6-77-10HAR 6-77-10 Transmission and gathering systems: annual report HAR 6-77-11HAR 6-77-11 Report forms HAR 6-77-12HAR 6-77-12 Reporting safety-related conditions HAR 6-77-13HAR 6-77-13 Filing safety-related condition reports HAR 6-77-14HAR 6-77-14 Class locations HAR 6-77-15HAR 6-77-15 Gathering lines HAR 6-77-16HAR 6-77-16 Petroleum gas systems HAR 6-77-17HAR 6-77-17 General HAR 6-77-18HAR 6-77-18 Conversion to service subject to this chapter HAR 6-77-19HAR 6-77-19 Scope HAR 6-77-20HAR 6-77-20 General HAR 6-77-21HAR 6-77-21 Steel pipe HAR 6-77-23HAR 6-77-23 Plastic pipe HAR 6-77-25HAR 6-77-25 Marking of materials HAR 6-77-26HAR 6-77-26 Transportation of pipe HAR 6-77-27HAR 6-77-27 Scope HAR 6-77-28HAR 6-77-28 General HAR 6-77-29HAR 6-77-29 Design formula for steel pipe HAR 6-77-30HAR 6-77-30 Yield strength (S) for steel pipe HAR 6-77-31HAR 6-77-31 Nominal wall thickness (t) for steel pipe HAR 6-77-32HAR 6-77-32 Design factor (F) for steel pipe HAR 6-77-33HAR 6-77-33 Longitudinal joint factor (E) for steel pipe HAR 6-77-34HAR 6-77-34 Temperature derating factor (T) for steel pipe HAR 6-77-37HAR 6-77-37 Design of plastic pipe HAR 6-77-38HAR 6-77-38 Design limitations for plastic pipe HAR 6-77-39HAR 6-77-39 Design of copper pipe HAR 6-77-40HAR 6-77-40 Scope HAR 6-77-41HAR 6-77-41 General requirements HAR 6-77-42HAR 6-77-42 Qualifying metallic components HAR 6-77-43HAR 6-77-43 Valves HAR 6-77-44HAR 6-77-44 Flanges and flange accessories HAR 6-77-45HAR 6-77-45 Standard fittings HAR 6-77-46HAR 6-77-46 Tapping HAR 6-77-47HAR 6-77-47 Components fabricated by welding HAR 6-77-48HAR 6-77-48 Welded branch connections HAR 6-77-49HAR 6-77-49 Extruded outlets HAR 6-77-50HAR 6-77-50 Flexibility HAR 6-77-51HAR 6-77-51 Supports and anchors HAR 6-77-52HAR 6-77-52 Compressor stations: design and construction HAR 6-77-53HAR 6-77-53 Compressor stations: liquid removal HAR 6-77-54HAR 6-77-54 Compressor stations: emergency shutdown HAR 6-77-55HAR 6-77-55 Compressor stations: pressure limiting devices HAR 6-77-56HAR 6-77-56 Compressor stations: additional safety equipment HAR 6-77-57HAR 6-77-57 Compressor stations: ventilation HAR 6-77-58HAR 6-77-58 Pipe-type and bottle-type holders HAR 6-77-59HAR 6-77-59 Additional provisions for bottle-type holders HAR 6-77-60HAR 6-77-60 Transmission line valves HAR 6-77-61HAR 6-77-61 Distribution line valves HAR 6-77-62HAR 6-77-62 Vaults: structural design requirements HAR 6-77-63HAR 6-77-63 Vaults: accessibility HAR 6-77-64HAR 6-77-64 Vaults: sealing, venting, and ventilation HAR 6-77-65HAR 6-77-65 Vaults: drainage and waterproofing HAR 6-77-66HAR 6-77-66 Design pressure of plastic fittings HAR 6-77-67HAR 6-77-67 Valve installation in plastic pipe HAR 6-77-68HAR 6-77-68 Protection against accidental overpressuring HAR 6-77-69HAR 6-77-69 Control of the pressure of gas delivered from high-pressure distribution HAR 6-77-70HAR 6-77-70 Requirements for design of pressure relief and limiting devices HAR 6-77-71HAR 6-77-71 Required capacity of pressure relieving and limiting stations HAR 6-77-72HAR 6-77-72 Instrument, control, and sampling pipe and components HAR 6-77-73HAR 6-77-73 Scope HAR 6-77-74HAR 6-77-74 Welding-general HAR 6-77-75HAR 6-77-75 Qualification of welders HAR 6-77-76HAR 6-77-76 Limitations on welders HAR 6-77-77HAR 6-77-77 Protection from weather HAR 6-77-78HAR 6-77-78 Miter joints HAR 6-77-79HAR 6-77-79 Preparation for welding HAR 6-77-80HAR 6-77-80 Inspection and test of welds HAR 6-77-81HAR 6-77-81 Nondestructive testing HAR 6-77-82HAR 6-77-82 Repair or removal of defects HAR 6-77-83HAR 6-77-83 Scope HAR 6-77-84HAR 6-77-84 General HAR 6-77-85HAR 6-77-85 Cast iron pipe HAR 6-77-86HAR 6-77-86 Ductile iron pipe HAR 6-77-87HAR 6-77-87 Copper pipe HAR 6-77-88HAR 6-77-88 Plastic pipe HAR 6-77-89HAR 6-77-89 Plastic pipe; qualifying joining procedures HAR 6-77-90HAR 6-77-90 Plastic pipe; qualifying persons to make joints HAR 6-77-91HAR 6-77-91 Plastic pipe, inspection of joints HAR 6-77-92HAR 6-77-92 Scope HAR 6-77-93HAR 6-77-93 Compliance with specifications or standards HAR 6-77-94HAR 6-77-94 Inspection: general HAR 6-77-95HAR 6-77-95 Inspection of materials HAR 6-77-96HAR 6-77-96 Repair of steel pipe HAR 6-77-97HAR 6-77-97 Repair of plastic pipe HAR 6-77-98HAR 6-77-98 Bends and elbows HAR 6-77-99HAR 6-77-99 Wrinkle bends in steel pipe HAR 6-77-100HAR 6-77-100 Protection from hazards HAR 6-77-101HAR 6-77-101 Installation of pipe in a ditch HAR 6-77-102HAR 6-77-102 Installation of plastic pipe HAR 6-77-103HAR 6-77-103 Casing HAR 6-77-104HAR 6-77-104 Underground clearance HAR 6-77-105HAR 6-77-105 Cover HAR 6-77-106HAR 6-77-106 Scope HAR 6-77-107HAR 6-77-107 Customer meters and regulators: location HAR 6-77-108HAR 6-77-108 Customer meters and regulators: protection from damage HAR 6-77-109HAR 6-77-109 Customer meters and regulators: installation HAR 6-77-110HAR 6-77-110 Customer meter installations: operating pressure HAR 6-77-111HAR 6-77-111 Service lines: installation HAR 6-77-112HAR 6-77-112 Service lines: valve requirements HAR 6-77-113HAR 6-77-113 Service lines: location of valves HAR 6-77-114HAR 6-77-114 Service lines: general requirements for connections to main piping HAR 6-77-115HAR 6-77-115 Service lines: connections to cast iron or ductile iron mains HAR 6-77-116HAR 6-77-116 Service lines: steel HAR 6-77-117HAR 6-77-117 Service lines: cast iron and ductile iron HAR 6-77-118HAR 6-77-118 Service lines: plastic HAR 6-77-119HAR 6-77-119 Service lines: copper HAR 6-77-120HAR 6-77-120 New service lines not in use HAR 6-77-121HAR 6-77-121 Scope HAR 6-77-122HAR 6-77-122 Applicability to converted pipelines HAR 6-77-123HAR 6-77-123 General HAR 6-77-124HAR 6-77-124 External corrosion control: buried or submerged pipelines installed after July HAR 6-77-125HAR 6-77-125 External corrosion control: buried or submerged pipelines installed before HAR 6-77-126HAR 6-77-126 External corrosion control: examination of buried pipeline when exposed HAR 6-77-127HAR 6-77-127 External corrosion control: protective coating HAR 6-77-128HAR 6-77-128 External corrosion control: cathodic protection HAR 6-77-129HAR 6-77-129 External corrosion control: monitoring HAR 6-77-130HAR 6-77-130 External corrosion control: electrical isolation HAR 6-77-131HAR 6-77-131 External corrosion control: test stations HAR 6-77-132HAR 6-77-132 External corrosion control: test leads HAR 6-77-133HAR 6-77-133 External corrosion control: interference currents HAR 6-77-134HAR 6-77-134 Internal corrosion control: general HAR 6-77-135HAR 6-77-135 Internal corrosion control: monitoring HAR 6-77-136HAR 6-77-136 Atmospheric corrosion control: general HAR 6-77-137HAR 6-77-137 Atmospheric corrosion control: monitoring HAR 6-77-138HAR 6-77-138 Remedial measures: general HAR 6-77-139HAR 6-77-139 Remedial measures: transmission lines HAR 6-77-140HAR 6-77-140 Remedial measures: distribution lines other than cast iron or ductile iron HAR 6-77-141HAR 6-77-141 Remedial measures: cast iron and ductile iron pipelines HAR 6-77-142HAR 6-77-142 Corrosion control records HAR 6-77-143HAR 6-77-143 Scope HAR 6-77-144HAR 6-77-144 General requirements HAR 6-77-145HAR 6-77-145 Strength test requirements for steel pipeline to operate at a hoop stress of HAR 6-77-146HAR 6-77-146 Test requirements for pipelines to operate at a hoop stress less than thirty HAR 6-77-147HAR 6-77-147 Test requirements for pipelines to operate below 100 p HAR 6-77-148HAR 6-77-148 Test requirements for service lines HAR 6-77-149HAR 6-77-149 Test requirements for plastic pipelines HAR 6-77-150HAR 6-77-150 Environmental protection and safety requirements HAR 6-77-151HAR 6-77-151 Records HAR 6-77-152HAR 6-77-152 Scope HAR 6-77-153HAR 6-77-153 General requirements HAR 6-77-154HAR 6-77-154 Uprating to a pressure that will produce a hoop stress of thirty percent or HAR 6-77-155HAR 6-77-155 Uprating: steel pipelines to a pressure that will produce a hoop stress less HAR 6-77-156HAR 6-77-156 Scope HAR 6-77-157HAR 6-77-157 General provisions HAR 6-77-158HAR 6-77-158 Essentials of operating and maintenance plan HAR 6-77-159HAR 6-77-159 Initial determination of class location and confirmation or establishment of HAR 6-77-160HAR 6-77-160 Change in class location: required study HAR 6-77-161HAR 6-77-161 Change in class location: confirmation or revision of maximum allowable HAR 6-77-162HAR 6-77-162 Continuing surveillance HAR 6-77-163HAR 6-77-163 Damage prevention program HAR 6-77-164HAR 6-77-164 Emergency plans HAR 6-77-165HAR 6-77-165 Investigation of failures HAR 6-77-166HAR 6-77-166 Maximum allowable operating pressure: steel or plastic pipelines HAR 6-77-167HAR 6-77-167 Maximum allowable operating pressure: high-pressure distribution systems HAR 6-77-168HAR 6-77-168 Maximum and minimum allowable operating pressure: low-pressure HAR 6-77-169HAR 6-77-169 Odorization of gas HAR 6-77-170HAR 6-77-170 Tapping pipelines under pressure HAR 6-77-171HAR 6-77-171 Purging of pipelines HAR 6-77-172HAR 6-77-172 Scope HAR 6-77-173HAR 6-77-173 General HAR 6-77-174HAR 6-77-174 Transmission lines: patrolling HAR 6-77-175HAR 6-77-175 Transmission lines: leakage surveys HAR 6-77-176HAR 6-77-176 Line markers for mains and transmission lines HAR 6-77-177HAR 6-77-177 Transmission lines: record keeping HAR 6-77-178HAR 6-77-178 Transmission lines: General requirements for repair procedures HAR 6-77-179HAR 6-77-179 Transmission lines: permanent field repair of imperfections and damages HAR 6-77-180HAR 6-77-180 Transmission lines: permanent field repair of welds HAR 6-77-181HAR 6-77-181 Transmission lines: permanent field repair of leaks HAR 6-77-182HAR 6-77-182 Transmission lines: testing of repairs HAR 6-77-183HAR 6-77-183 Distribution systems: Patrolling HAR 6-77-184HAR 6-77-184 Distribution systems: leakage surveys and procedures HAR 6-77-185HAR 6-77-185 Test requirements for reinstating service lines HAR 6-77-186HAR 6-77-186 Abandonment or inactivation of facilities HAR 6-77-187HAR 6-77-187 Compressor stations: procedures for gas compressor units HAR 6-77-188HAR 6-77-188 Compressor stations: inspection and testing of relief devices HAR 6-77-189HAR 6-77-189 Compressor stations: Isolation of equipment for maintenance or alterations HAR 6-77-190HAR 6-77-190 Compressor stations: Storage of combustible materials HAR 6-77-191HAR 6-77-191 Pipe-type and bottle-type holders: Plan for inspection and testing HAR 6-77-192HAR 6-77-192 Pressure limiting and regulating stations: inspection and testing HAR 6-77-193HAR 6-77-193 Pressure limiting and regulating stations: telemetering or recording gages HAR 6-77-194HAR 6-77-194 Pressure limiting and regulating stations: testing of relief devices HAR 6-77-195HAR 6-77-195 Valve maintenance: transmission lines HAR 6-77-196HAR 6-77-196 Valve maintenance: distribution systems HAR 6-77-197HAR 6-77-197 Vault maintenance HAR 6-77-198HAR 6-77-198 Prevention of accidental ignition HAR 6-77-199HAR 6-77-199 Caulked bell and spigot joints HAR 6-77-200HAR 6-77-200 Protecting cast-iron pipelines

Browse regulation

Sections200

HAR 6-77 Appendix AHAR 6-77 Appendix A Incorporated by Reference HAR 6-77 Appendix BHAR 6-77 Appendix B Qualification of Pipe HAR 6-77 Appendix CHAR 6-77 Appendix C Qualification of Welders for Low Stress Level Pipe HAR 6-77 Appendix DHAR 6-77 Appendix D Criteria for Cathodic Protection and Determination of Measurements HAR 6-77-1HAR 6-77-1 Scope of chapter HAR 6-77-2HAR 6-77-2 Definitions HAR 6-77-3HAR 6-77-3 Incorporation by reference HAR 6-77-4HAR 6-77-4 Telephonic notice of certain incidents HAR 6-77-5HAR 6-77-5 Addressee for written reports HAR 6-77-6HAR 6-77-6 Distribution system: incident report HAR 6-77-7HAR 6-77-7 Distribution system: annual report HAR 6-77-8HAR 6-77-8 Distribution systems reporting: transmission pipelines, transmission or HAR 6-77-9HAR 6-77-9 Transmission and gathering systems: incident report HAR 6-77-10HAR 6-77-10 Transmission and gathering systems: annual report HAR 6-77-11HAR 6-77-11 Report forms HAR 6-77-12HAR 6-77-12 Reporting safety-related conditions HAR 6-77-13HAR 6-77-13 Filing safety-related condition reports HAR 6-77-14HAR 6-77-14 Class locations HAR 6-77-15HAR 6-77-15 Gathering lines HAR 6-77-16HAR 6-77-16 Petroleum gas systems HAR 6-77-17HAR 6-77-17 General HAR 6-77-18HAR 6-77-18 Conversion to service subject to this chapter HAR 6-77-19HAR 6-77-19 Scope HAR 6-77-20HAR 6-77-20 General HAR 6-77-21HAR 6-77-21 Steel pipe HAR 6-77-23HAR 6-77-23 Plastic pipe HAR 6-77-25HAR 6-77-25 Marking of materials HAR 6-77-26HAR 6-77-26 Transportation of pipe HAR 6-77-27HAR 6-77-27 Scope HAR 6-77-28HAR 6-77-28 General HAR 6-77-29HAR 6-77-29 Design formula for steel pipe HAR 6-77-30HAR 6-77-30 Yield strength (S) for steel pipe HAR 6-77-31HAR 6-77-31 Nominal wall thickness (t) for steel pipe HAR 6-77-32HAR 6-77-32 Design factor (F) for steel pipe HAR 6-77-33HAR 6-77-33 Longitudinal joint factor (E) for steel pipe HAR 6-77-34HAR 6-77-34 Temperature derating factor (T) for steel pipe HAR 6-77-37HAR 6-77-37 Design of plastic pipe HAR 6-77-38HAR 6-77-38 Design limitations for plastic pipe HAR 6-77-39HAR 6-77-39 Design of copper pipe HAR 6-77-40HAR 6-77-40 Scope HAR 6-77-41HAR 6-77-41 General requirements HAR 6-77-42HAR 6-77-42 Qualifying metallic components HAR 6-77-43HAR 6-77-43 Valves HAR 6-77-44HAR 6-77-44 Flanges and flange accessories HAR 6-77-45HAR 6-77-45 Standard fittings HAR 6-77-46HAR 6-77-46 Tapping HAR 6-77-47HAR 6-77-47 Components fabricated by welding HAR 6-77-48HAR 6-77-48 Welded branch connections HAR 6-77-49HAR 6-77-49 Extruded outlets HAR 6-77-50HAR 6-77-50 Flexibility HAR 6-77-51HAR 6-77-51 Supports and anchors HAR 6-77-52HAR 6-77-52 Compressor stations: design and construction HAR 6-77-53HAR 6-77-53 Compressor stations: liquid removal HAR 6-77-54HAR 6-77-54 Compressor stations: emergency shutdown HAR 6-77-55HAR 6-77-55 Compressor stations: pressure limiting devices HAR 6-77-56HAR 6-77-56 Compressor stations: additional safety equipment HAR 6-77-57HAR 6-77-57 Compressor stations: ventilation HAR 6-77-58HAR 6-77-58 Pipe-type and bottle-type holders HAR 6-77-59HAR 6-77-59 Additional provisions for bottle-type holders HAR 6-77-60HAR 6-77-60 Transmission line valves HAR 6-77-61HAR 6-77-61 Distribution line valves HAR 6-77-62HAR 6-77-62 Vaults: structural design requirements HAR 6-77-63HAR 6-77-63 Vaults: accessibility HAR 6-77-64HAR 6-77-64 Vaults: sealing, venting, and ventilation HAR 6-77-65HAR 6-77-65 Vaults: drainage and waterproofing HAR 6-77-66HAR 6-77-66 Design pressure of plastic fittings HAR 6-77-67HAR 6-77-67 Valve installation in plastic pipe HAR 6-77-68HAR 6-77-68 Protection against accidental overpressuring HAR 6-77-69HAR 6-77-69 Control of the pressure of gas delivered from high-pressure distribution HAR 6-77-70HAR 6-77-70 Requirements for design of pressure relief and limiting devices HAR 6-77-71HAR 6-77-71 Required capacity of pressure relieving and limiting stations HAR 6-77-72HAR 6-77-72 Instrument, control, and sampling pipe and components HAR 6-77-73HAR 6-77-73 Scope HAR 6-77-74HAR 6-77-74 Welding-general HAR 6-77-75HAR 6-77-75 Qualification of welders HAR 6-77-76HAR 6-77-76 Limitations on welders HAR 6-77-77HAR 6-77-77 Protection from weather HAR 6-77-78HAR 6-77-78 Miter joints HAR 6-77-79HAR 6-77-79 Preparation for welding HAR 6-77-80HAR 6-77-80 Inspection and test of welds HAR 6-77-81HAR 6-77-81 Nondestructive testing HAR 6-77-82HAR 6-77-82 Repair or removal of defects HAR 6-77-83HAR 6-77-83 Scope HAR 6-77-84HAR 6-77-84 General HAR 6-77-85HAR 6-77-85 Cast iron pipe HAR 6-77-86HAR 6-77-86 Ductile iron pipe HAR 6-77-87HAR 6-77-87 Copper pipe HAR 6-77-88HAR 6-77-88 Plastic pipe HAR 6-77-89HAR 6-77-89 Plastic pipe; qualifying joining procedures HAR 6-77-90HAR 6-77-90 Plastic pipe; qualifying persons to make joints HAR 6-77-91HAR 6-77-91 Plastic pipe, inspection of joints HAR 6-77-92HAR 6-77-92 Scope HAR 6-77-93HAR 6-77-93 Compliance with specifications or standards HAR 6-77-94HAR 6-77-94 Inspection: general HAR 6-77-95HAR 6-77-95 Inspection of materials HAR 6-77-96HAR 6-77-96 Repair of steel pipe HAR 6-77-97HAR 6-77-97 Repair of plastic pipe HAR 6-77-98HAR 6-77-98 Bends and elbows HAR 6-77-99HAR 6-77-99 Wrinkle bends in steel pipe HAR 6-77-100HAR 6-77-100 Protection from hazards HAR 6-77-101HAR 6-77-101 Installation of pipe in a ditch HAR 6-77-102HAR 6-77-102 Installation of plastic pipe HAR 6-77-103HAR 6-77-103 Casing HAR 6-77-104HAR 6-77-104 Underground clearance HAR 6-77-105HAR 6-77-105 Cover HAR 6-77-106HAR 6-77-106 Scope HAR 6-77-107HAR 6-77-107 Customer meters and regulators: location HAR 6-77-108HAR 6-77-108 Customer meters and regulators: protection from damage HAR 6-77-109HAR 6-77-109 Customer meters and regulators: installation HAR 6-77-110HAR 6-77-110 Customer meter installations: operating pressure HAR 6-77-111HAR 6-77-111 Service lines: installation HAR 6-77-112HAR 6-77-112 Service lines: valve requirements HAR 6-77-113HAR 6-77-113 Service lines: location of valves HAR 6-77-114HAR 6-77-114 Service lines: general requirements for connections to main piping HAR 6-77-115HAR 6-77-115 Service lines: connections to cast iron or ductile iron mains HAR 6-77-116HAR 6-77-116 Service lines: steel HAR 6-77-117HAR 6-77-117 Service lines: cast iron and ductile iron HAR 6-77-118HAR 6-77-118 Service lines: plastic HAR 6-77-119HAR 6-77-119 Service lines: copper HAR 6-77-120HAR 6-77-120 New service lines not in use HAR 6-77-121HAR 6-77-121 Scope HAR 6-77-122HAR 6-77-122 Applicability to converted pipelines HAR 6-77-123HAR 6-77-123 General HAR 6-77-124HAR 6-77-124 External corrosion control: buried or submerged pipelines installed after July HAR 6-77-125HAR 6-77-125 External corrosion control: buried or submerged pipelines installed before HAR 6-77-126HAR 6-77-126 External corrosion control: examination of buried pipeline when exposed HAR 6-77-127HAR 6-77-127 External corrosion control: protective coating HAR 6-77-128HAR 6-77-128 External corrosion control: cathodic protection HAR 6-77-129HAR 6-77-129 External corrosion control: monitoring HAR 6-77-130HAR 6-77-130 External corrosion control: electrical isolation HAR 6-77-131HAR 6-77-131 External corrosion control: test stations HAR 6-77-132HAR 6-77-132 External corrosion control: test leads HAR 6-77-133HAR 6-77-133 External corrosion control: interference currents HAR 6-77-134HAR 6-77-134 Internal corrosion control: general HAR 6-77-135HAR 6-77-135 Internal corrosion control: monitoring HAR 6-77-136HAR 6-77-136 Atmospheric corrosion control: general HAR 6-77-137HAR 6-77-137 Atmospheric corrosion control: monitoring HAR 6-77-138HAR 6-77-138 Remedial measures: general HAR 6-77-139HAR 6-77-139 Remedial measures: transmission lines HAR 6-77-140HAR 6-77-140 Remedial measures: distribution lines other than cast iron or ductile iron HAR 6-77-141HAR 6-77-141 Remedial measures: cast iron and ductile iron pipelines HAR 6-77-142HAR 6-77-142 Corrosion control records HAR 6-77-143HAR 6-77-143 Scope HAR 6-77-144HAR 6-77-144 General requirements HAR 6-77-145HAR 6-77-145 Strength test requirements for steel pipeline to operate at a hoop stress of HAR 6-77-146HAR 6-77-146 Test requirements for pipelines to operate at a hoop stress less than thirty HAR 6-77-147HAR 6-77-147 Test requirements for pipelines to operate below 100 p HAR 6-77-148HAR 6-77-148 Test requirements for service lines HAR 6-77-149HAR 6-77-149 Test requirements for plastic pipelines HAR 6-77-150HAR 6-77-150 Environmental protection and safety requirements HAR 6-77-151HAR 6-77-151 Records HAR 6-77-152HAR 6-77-152 Scope HAR 6-77-153HAR 6-77-153 General requirements HAR 6-77-154HAR 6-77-154 Uprating to a pressure that will produce a hoop stress of thirty percent or HAR 6-77-155HAR 6-77-155 Uprating: steel pipelines to a pressure that will produce a hoop stress less HAR 6-77-156HAR 6-77-156 Scope HAR 6-77-157HAR 6-77-157 General provisions HAR 6-77-158HAR 6-77-158 Essentials of operating and maintenance plan HAR 6-77-159HAR 6-77-159 Initial determination of class location and confirmation or establishment of HAR 6-77-160HAR 6-77-160 Change in class location: required study HAR 6-77-161HAR 6-77-161 Change in class location: confirmation or revision of maximum allowable HAR 6-77-162HAR 6-77-162 Continuing surveillance HAR 6-77-163HAR 6-77-163 Damage prevention program HAR 6-77-164HAR 6-77-164 Emergency plans HAR 6-77-165HAR 6-77-165 Investigation of failures HAR 6-77-166HAR 6-77-166 Maximum allowable operating pressure: steel or plastic pipelines HAR 6-77-167HAR 6-77-167 Maximum allowable operating pressure: high-pressure distribution systems HAR 6-77-168HAR 6-77-168 Maximum and minimum allowable operating pressure: low-pressure HAR 6-77-169HAR 6-77-169 Odorization of gas HAR 6-77-170HAR 6-77-170 Tapping pipelines under pressure HAR 6-77-171HAR 6-77-171 Purging of pipelines HAR 6-77-172HAR 6-77-172 Scope HAR 6-77-173HAR 6-77-173 General HAR 6-77-174HAR 6-77-174 Transmission lines: patrolling HAR 6-77-175HAR 6-77-175 Transmission lines: leakage surveys HAR 6-77-176HAR 6-77-176 Line markers for mains and transmission lines HAR 6-77-177HAR 6-77-177 Transmission lines: record keeping HAR 6-77-178HAR 6-77-178 Transmission lines: General requirements for repair procedures HAR 6-77-179HAR 6-77-179 Transmission lines: permanent field repair of imperfections and damages HAR 6-77-180HAR 6-77-180 Transmission lines: permanent field repair of welds HAR 6-77-181HAR 6-77-181 Transmission lines: permanent field repair of leaks HAR 6-77-182HAR 6-77-182 Transmission lines: testing of repairs HAR 6-77-183HAR 6-77-183 Distribution systems: Patrolling HAR 6-77-184HAR 6-77-184 Distribution systems: leakage surveys and procedures HAR 6-77-185HAR 6-77-185 Test requirements for reinstating service lines HAR 6-77-186HAR 6-77-186 Abandonment or inactivation of facilities HAR 6-77-187HAR 6-77-187 Compressor stations: procedures for gas compressor units HAR 6-77-188HAR 6-77-188 Compressor stations: inspection and testing of relief devices HAR 6-77-189HAR 6-77-189 Compressor stations: Isolation of equipment for maintenance or alterations HAR 6-77-190HAR 6-77-190 Compressor stations: Storage of combustible materials HAR 6-77-191HAR 6-77-191 Pipe-type and bottle-type holders: Plan for inspection and testing HAR 6-77-192HAR 6-77-192 Pressure limiting and regulating stations: inspection and testing HAR 6-77-193HAR 6-77-193 Pressure limiting and regulating stations: telemetering or recording gages HAR 6-77-194HAR 6-77-194 Pressure limiting and regulating stations: testing of relief devices HAR 6-77-195HAR 6-77-195 Valve maintenance: transmission lines HAR 6-77-196HAR 6-77-196 Valve maintenance: distribution systems HAR 6-77-197HAR 6-77-197 Vault maintenance HAR 6-77-198HAR 6-77-198 Prevention of accidental ignition HAR 6-77-199HAR 6-77-199 Caulked bell and spigot joints HAR 6-77-200HAR 6-77-200 Protecting cast-iron pipelines

Related 1 Definitions History 1 Authority 1

RegulationsHAR 6-77-79

Regulationhistorical

HAR 6-77-79

HAR 6-77-79 Preparation for welding

Snapshot 2026-08-12 Government source

Hawaii Public Utilities CommissionOfficial agency material

1 passages

must be clean and free of any material that may be detrimental to the weld, and the pipe or component must be aligned to provide the most favorable condition for depositing the root bead. This alignment must be preserved while the root bead is being deposited. [Eff ] (Auth: HRS '269-6) (Imp: 49 C.F.R. '192.235, October 1, 1990)

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Related 1 Definitions History 1 Authority 1 Community

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Regulations1

49 CFR 192.235

Preparation for welding.

192.235 · incorporates or references

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Record details

Retrieved: Aug 12, 2026
Version: 2026-08-12

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