Specifications include, but are not limited to: DIVISION 05 - METALS Metal Fabrications 05 50 00 1-8 DIVISION 23 - HEATING, VENTILATING, AND AIR-CONDITIONING (HVAC)Mechanical General Provisions 23 00 00 1-3 Basic Mechanical Materials and Methods 23 05 00 1-8 General-Duty Valves for Piping 23 05 23 1-4 Hangers and Supports 23 05 29 1-8 Identification for Plant Piping and Equipment 23 05 53 1-5 Mechanical Insulation 23 07 00 1-19 Hydronic Piping 23 21 13 1-12 DIVISION 31 - EARTHWORK Earthwork 31 00 00 1-9 DIVISION 33 - UTILITIES Utility Materials 33 05 00 1-7 Locate Wire for Hot Glycol Water Systems 33 05 26 1-4 Underground Prefabricated Hot Glycol Water Distribution System 33 61 00 1-11 Aboveground Prefabricated Hot Glycol Water Distribution System 33 61 22 1-11 DIVISION 40 - PROCESS INTEGRATION Welding General Piping 40 17 30 1-6