03-01-20SECTION 23 57 33GEOTHERMAL ENERGY – DIRECT USE (HEATING APPLICATIONS)SPEC WRITER NOTES:1.Delete between // --- // if not applicable to project. Also delete any other item or paragraph not applicable in the section and renumber the paragraphs.2.Provide the year of latest edition to each publication given in Article 1.7 APPLICABLE PUBLICATIONS.PART 1 - GENERAL1.1 DESCRIPTIONA.The requirements of this Section apply to all sections of Division 23 related to geothermal energy direct use systems. SPEC WRITER NOTE: Edit the below to suite project.B.Geothermal for direct use heating applications: The system includes wellbores, open loop downhole piping, above grade plate-and-frame heat exchanger and associated circulation pumps for the generation of HVAC heating water. The geothermal source is separated from the HVAC heating equipment via the plate-and-frame heat exchanger.1.2 RELATED WORK//A. Section 01 00 00, GENERAL REQUIREMENTS: General construction practices.////B. Section 01 90 00, General Commissioning Requirements//C.Section 01 33 23, SHOP DRAWINGS, PRODUCT DATA, AND SAMPLES: Submittals.//D. Section 23 05 11, COMMON WORK RESULTS FOR HVAC: General mechanical requirements.//E.Section 23 05 93, TESTING, ADJUSTING AND BALANCING FOR HVAC: System operations test procedures.F.Section 23 07 11, HVAC AND BOILER PLANT INSULATION: Insulation products and procedures.G.Section 23 08 00, COMMISSIONING HVAC SYSTEM H.Section 23 09 23, DIRECT-DIGITAL CONTROL SYSTEM FOR HVAC.I.Section 23 21 13 HYDRONIC PIPING: Gauges and thermometers.J. Section 23 21 23, HYDRONIC PUMPS: Hydronic pump requirements.23 57 33 - 1
03-01-201.3 DEFINITIONSA.Unless otherwise specified or indicated, geothermal energy terms used inthese specifications, and on the drawings, shall be as defined in ASTM E957.1.4 QUALITY ASSURANCEA.The Wellbore Drilling Contractor shall be a National Ground Water Association (NGWA) Certified Well Driller (CWD).B.Local and state laws and ordinances as they pertain to buried pipe systems shall be strictly followed or a variance obtained.C.Geothermal energy direct-use system installer(s) shall demonstrate that they have successfully installed at least eight projects that, in aggregate, equal or exceed the size of the proposed project. Referencesshall be provided for each of these installed projects.D.Warranties: The geothermal energy system shall be subject to the terms of FAR Clause 52.246-21, except that the warranty period shall be as noted for the items below:1.Polyethylene piping: 25 year manufacturer’s warranty against defects in materials and workmanship. SPEC WRITER NOTE: Local authorities are likely to have requirements in place to protect resources such as groundwater. Research local requirements with the Authority Having Jurisdiction and consult with VA to determine applicability to project. Insert applicable authorities andregulations below.