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BLUEBOOKSPECIFICATIONS AND REQUIREMENTS FOR GASINSTALLATIONSNEW YORK CITY ANDLONG ISLANDAPRIL 2021
Revision 12, April 2021Table of Contents Page 1 of 4TABLE OF CONTENTS1.0 INTRODUCTION 11.11.21.31.41.5PURPOSE . 1SCOPE/REFERENCES . 1EXCLUSIONS; RETROACTIVITY . 2ALTERNATE MATERIALS, EQUIPMENT AND PROCEDURES . 2RESPONSIBILITY . 22.0 DEFINITION OF TERMS. 2-83.0 3.143.153.163.173.183.193.20. 9AREA/GEOGRAPHICAL CONSIDERATIONS . 9COMMUNICATION/COOPERATION . 9MEANING OF "SHALL" IN THIS BOOK . 9STATE AND LOCAL CODES . 10RESPONSIBILITY FOR CODE APPLICABILITY . 10INSPECTIONS, CERTIFICATES, PERMITS . 10ACCESS TO CUSTOMERS' PREMISES . 10IDENTIFICATION OF EMPLOYEES . 10UNAUTHORIZED CONNECTIONS . 10SEALS AND TAMPERING DEVICES. 11DISCONNECTION OF SERVICE . 11REACTIVATING GAS SERVICE FOLLOWING A WARNINGTAG VIOLATION . 11NATIONAL GRID EQUIPMENT ON PRIVATE PROPERTY . 11DEMOLITION . 11INTERCONNECTIONS. 11BACK-PRESSURE AND SUCTION PROTECTION . 12PROTECTION WHEN COMPRESSED AIR OROXYGEN CAN ENTER GAS PIPING. 12ADEQUACY AND SAFETY . 12CODE COMPLIANCE . 12REVISIONS OF THIS BOOK . 124.0 NEW GAS SERVICE INSTALLATION PROCESS . 134.1GENERAL . 134.2REQUIREMENTS FOR HAVING A NEW RESIDENTIAL AND SMALLCOMMERCIAL GAS SERVICE INSTALLED . 204.3RUD AND CIPUD SERVICE . 215.0 GAS SERVICE LINE(S) . 255.1GAS SERVICE LINE(S) TO A BUILDING OR OTHER GAS USAGE . 255.2LOCATION OF GAS SERVICE LINE(S)/LATERAL(S) . 25
Revision 12, April 20215.35.45.55.6Table of Contents Page 2 of 4SERVICE ENTRANCE . . 26CONNECTION POINT OF SERVICE, BROOKLYN UNION/CUSTOMERCONNECTION POINT OF GAS SERVICE . 26RESTORATION ON PRIVATE PROPERTY . 26ADDITIONAL METERS OR SERVICES. 266.0GAS PRESSURE . 266.1NOMINAL METER OUTLET PRESSURE WHEN SERVED FROMBROOKLYN UNION'S HIGH PRESSURE DISTRIBUTION SYSTEM . 276.2METER OUTLET PRESSURE WHEN SERVED FROMNATIONAL GRID’S LOW PRESSURE DISTRIBUTION SYSTEM . 276.3PRESSURE AND CONTRACTOR'S PIPING . .276.4ELEVATED METER OUTLET PRESSURE ON HIGHPRESSURE DISTRIBUTION SYSTEM . 276.5ELEVATED METER OUTLET PRESSURE ON LOWPRESSURE DISTRIBUTION SYSTEM . 296.6LOCAL CODES RELATING TO ELEVATED GAS PRESSURES . 297.0METERS AND REGULATORS . 297.1PREREQUISITES AND NOTIFICATIONS FOR NEW GAS METERS . 297.2.METER SET LOCATION REQUIREMENTS . 297.3INSTALLATION AND INTERCONNECTION REQUIREMENTS . 317.4INDOOR METER SET REQUIREMENTS. 337.5INDOOR METER SET REQUIREMENTS FORLARGE INSTALLATIONS . 337.6MULTIPLE METER HEADER REQUIREMENTS . 347.7METER SET PROTECTION REQUIREMENTS . 347.8METER HEADER PAD REQUIREMENTS FOR LARGEGAS INSTALLATIONS . 357.9WALLS TO SUPPORT METER HEADER REQUIREMENTS . 357.10RELOCATION OF GAS METER SETS . 357.11GAS SERVICE REGULATOR AND VENTING REQUIREMENTS . 367.12METER BYPASS REQUIREMENTS . .377.13TELEMETERING INSTALLATION REQUIREMENTS . 377.14METER INSTALLATION, PURGING AND RELIGHTING. 387.15PILOT GAS SUPPLY FOR INTERRUPTIBLE RATE CUSTOMERS. 388.0CUSTOMER-OWNED GAS PIPING SYSTEMS . 388.1GENERAL . 388.2PIPE SIZING . 398.3PIPING DRAWING . 408.4GAS PIPING MATERIALS . 408.4.1 GENERAL . 408.4.2 GAS PIPING MATERIALS, INDOORS . 408.4.3 GAS PIPING MATERIALS, OUTDOORS, ABOVE GROUND . 408.4.4 GAS PIPING MATERIALS, BELOW GROUND, GENERAL . 408.4.5 GAS PIPING BELOW GROUND, STEEL PIPE OPTION . 418.4.6 GAS PIPING BELOW GROUND, PLASTIC PIPE OPTION . 428.4.7 GAS "PIPING" BELOW GROUND, COPPER TUBING OPTION . 438.5VALVES . . 438.6STEEL GAS PIPING, WELDING REQUIREMENTS . 43
Revision 12, April 2021Page 3 of 4 Table of 59.0GENERAL. . .43RESIDENTIAL, COMMERCIAL, INDUSTRIAL, MULTI-FAMILYINSTALLATIONS IN NASSAU AND SUFFOLK COUNTIES . 438.6.3 ALL PUBLIC AND PRIVATE SCHOOL BUILDINGS,INCLUDING COLLEGES . .458.6.4 TESTING REQUIREMENTS OF PIPING AFTER THE METER . 458.6.5 STANDARDS FOR NON MERCURY GAUGE . .458.6.6 WELDER QUALIFICATIONS 46GAS PIPING (INDOORS AND OUTDOORS) ABOVEGROUND, INSTALLATION REQUIREMENTS, GENERAL . 46GAS PIPING OUTDOORS, BELOW GROUND, INSTALLATIONREQUIREMENTS. 47STEEL GAS PIPING , CORROSION PROTECTIONREQUIREMENTS, COATING AND WRAPPING . 50STEEL GAS PIPING, CORROSION PROTECTIONREQUIREMENTS, INSULATING JOINTS . 50STEEL GAS PIPING, CORROSION PROTECTIONREQUIREMENTS, MAGNESIUM ANODES . 50PLASTIC PIPING, INSTALLATION REQUIREMENTS . .51COPPER TUBING INSTALLATION REQUIREMENTS. 52GAS PIPING THROUGH BUILDING WALLS, ABOVE ORBELOW GROUND, INSTALLATION REQUIREMENTS . 52PRESSURE TESTING OF GAS PIPING . 53GAS UTILIZATION EQUIPMENT . 539.1GENERAL . 539.1.1 APPLIANCES, ACCESSORIES AND EQUIPMENT APPROVAL . 539.1.2 INSTALLING CONTRACTOR'S RESPONSIBILITIES . 539.1.3 CO ALARMS . 549.1.4 ASSEMBLY OF EQUIPMENT . 549.1.5 GAS UTILIZATION EQUIPMENT INSTALLED IN RESIDENTIALGARAGES . .549.2NATIONAL GRID “NATURAL GAS PRESSURE, IGNITION & DRAFT TEST” . 549.3GENERAL REQUIREMENTS, SPACE AND WATER HEATING EQUIPMENTINSTALLATIONS . 549.4COMBUSTION, DILUTION AND VENTILATION AIR(FRESH AIR) REQUIREMENTS . 549.5VENTING OF CATEGORY I GAS UTILIZATIONEQUIPMENT ONLY . 549.6VENTING OF GAS UTILIZATION EQUIPMENT CATEGORIIES II, III AND IV . 559.7CHIMNEYS. 559.8SPILL SWITCH REQUIREMENTS . 569.9INSTALLATION OF HEAT PRODUCING EQUIPMENT IN FLAMMABLEOR CORROSIVE ATMOSPHERES . 56
Revision 12, April 20219.109.119.129.139.149.159.169.17Table of Contents Page 4 of 4GAS CONVERSIONS AND CONVERSIONBURNER REQUIREMENTS . 57GAS FIREPLACES (VENTED DECORATIVE GAS APPLIANCES) . 58ILLIMINATING DEVICES . 58NATURAL GAS COMBUSTION ENGINES . 59COMPRESSED NATURAL GAS (CNG) STATIONS . 59UNVENTED ROOM HEATERS . 59OTHER EQUIPMEMNT. 59COMBO WATER HEATERS . . APPENDIXABCDEFGHIJKLSERVICE REGULATOR VENT PIPING REQUIREMENTSCHOOSING A FURNACE OR BOILERNATIONAL GRID’S NEW METER SET HOTLINEGAS PIPING SYSTEM PRESSURE TESTING REQUIREMENTSAND INSTRUCTIONSCUSTOMER OWNER GAS PIPING INSPECTION CERTIFICATECORRIGATED ATAINLESS STEEL TUBINGNEW YORK STATE CO ALARM LAW RULEPROPERTIES OF NATURAL GASMETER SIZES AND DIMENSIONSFREQUENTLY USED STANDARDSLINKS TO MANUFACTURERSODOR FADEBlue Book PART II – Temperature Controlled Specifications
Revision 12, April 2021Page 1 of 5911.0 INTRODUCTION1.1PURPOSEThis book presents specifications and requirements relating to the connection and use ofnatural gas supplied from the National Grid Gas System. It contains the minimumacceptable standards for gas piping and gas appliance installation necessary to ensure thesafe and satisfactory utilization of natural gas by our customers. The informationcontained herein is intended pri
gas piping system pressure testing requirements . and instructions. appendix e . customer owner gas piping inspection certificate. appendix f corrigated atainless steel tubing . appendix g new york state co alarm law rule . appendix h properties of natural gas . appendix i meter sizes and dimensions . appendix j frequently used standards . appendix k links to manufacturers . appendix l odor .
