Table of Contents

Special note<br>Committee representation<br>Acknowledgement<br>Related documents<br>Foreword <br>PART 1<br>GENERAL<br>Section<br>101 Scope<br>102 Definitions<br>103 Compliance with Standards and legislation<br>104 Selection of materials<br>105 Design and construction<br>106 Workmanship<br>107 Maintenance<br>PART 2<br>THERMAL PERFORMANCE STANDARDS FOR GEOTHERMAL HEATING<br>201 General<br>202 Series arrangement<br>203 Discharge temperatures for soak bores<br>204 Discharge temperatures for reinjection wells<br>205 Bypassing heat exchanger equipment to allow a<br>&nbsp;&nbsp;&nbsp;&nbsp;well to self flow<br>206 Boresharing<br>207 Limiting the mass output from geothermal wells<br>208 Downhole heat exchangers<br>209 Use of natural features<br>210 Shallow wells<br>PART 3<br>SAFETY STANDARDS FOR GEOTHERMAL HEATING<br>Section<br>301 General<br>302 Venting of gases<br>303 Mineral pools<br>304 Avoiding scalding injuries<br>305 Isolation<br>306 Blowouts<br>307 Engineering practice<br>PART 4 <br>GEOTHERMAL PRODUCTION WELLS<br>Section<br>401 General<br>402 Owner's responsibilities<br>403 Welldriller's responsibilities<br>404 Well construction<br>405 Wellhead equipment<br>406 Static temperature logging<br>407 Well output testing<br>408 Calcite deposition, prevention and cleaning<br>409 Maintenance and inspection<br>410 Failed or abandoned wells<br>PART 5<br>GEOTHERMAL FLUID DISTRIBUTION EQUIPMENT<br>Section<br>501 General<br>502 Sizing of distribution equipment<br>503 Pipe sizing<br>504 Pipe, fittings and layout<br>505 Underground piping<br>506 Pipe insulation<br>507 Isolation valves<br>508 Calcite deposition, prevention and cleaning<br>509 Heat exchangers<br>510 Temperature pockets<br>511 Control devices<br>PART 6<br>HOT WATER DISTRIBUTION EQUIPMENT<br>Section<br>601 General<br>602 Types of system<br>603 Pipe sizing<br>604 Pipe, fittings and pipe layout<br>605 Pipe insulation<br>606 Isolation valves<br>607 Balance valves<br>608 Thermal expansion equipment<br>609 Relief valves<br>610 Make-up water<br>611 Air eliminators<br>612 Draining<br>613 Pumping equipment<br>614 Automatic temperature control<br>615 Starting-up and operating procedures<br>616 Maintenance<br>PART 7<br>SECONDARY HEATING EQUIPMENT<br>Section<br>701 General<br>702 Space heating equipment<br>103 Hot water heating equipment<br>704 Spa and swimming pool heating equipment<br>705 Absorption refrigeration equipment for cooling<br>706 Thermosiphon circulation systems<br>707 Pumped circulation systems<br>708 Thermal expansion equipment<br>709 Relief valves<br>710 Make-up water<br>711 Air eliminators<br>712 Draining<br>713 Automatic temperature controls<br>714 Pipe insulation<br>715 Pipe, fittings and layout<br>716 Maintenance<br>PART 8<br>MINERAL (GEOTHERMAL WATER) POOL, EQUIPMENT<br>Section<br>801 General<br>802 Geothermal water supply<br>803 Gas separators<br>804 Ventilation<br>805 Warning signs<br>806 Temperature indication<br>807 Cold water supply<br>808 Soak holes<br>PART 9<br>GEOTHERMAL FLUID DISPOSAL<br>Section<br>901 General<br>902 Soak bores<br>903 Reinjection wells<br>904 Gas vents<br>905 Surface disposal<br>PART 10<br>EQUIPMENT FOR OTHER USES<br>Section<br>1001 General<br>1002 Steam raising<br>1003 Drying - industrial<br>1004 Greenhouse heating<br>1005 Soil warming<br>1006 Cooking<br>Appendix<br>Appendix A - Well casing specification information<br>Appendix B - Well head valve specification information<br>Appendix C - Recommended method for the sizing of pipes for<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;two-phase mixture<br>Appendix D - Control device selection guidelines<br>Appendix E - Soak bore specification information

Abstract

Verifies that geothermal energy employed for heating purposes in Rotorua is used safely and without waste.

General Product Information

Published
Document Type	Standard
Status	Current
Publisher	Standards New Zealand
Pages
ISBN
Committee	50/-