DC Standards / Division 23 - Heating, Ventilating & Air Conditioning

The University of Texas at Austin Design and Construction Standards have been prepared by the University to guide and assist architects, engineers, other design professionals, contractors, and university staff (herein referred to as Professional) in understanding the preferences of The University of Texas at Austin in the development, maintenance, repair and replacement of its facilities and assets.

If you wish to download multiple files, you may do so by going to the Current PMCS Design and Construction Standards UT Box Folder.

Division 23 - Design Criteria

File Link Word File Link File Title Updates Made Rev. Date
Div23_CHWS_DC (PDF) Div23_CHWS_DC (DOC) Chilled and Hot Water Systems Design Criteria Update 01/2021
Div23_Airside_Systems_DC (PDF) Div23_Airside_Systems_DC (DOC) Airside Systems Design Criteria Update 08/2017
Div23_HVAC_SOO_DC (PDF) Div23_HVAC_SOO_DC (DOC) HVAC Controls Sequences of Operations Design Criteria  Update 07/2021
Div23_Steam_Systems_DC (PDF) Div23_Steam_Systems_DC (DOC) Steam Systems Design Criteria Update 08/2017

Division 23 - Technical Specifications

File Link Word File Link File Title Updates Made Rev. Date
23.00.00 (PDF) 23.00.00 (DOC) Basic HVAC Requirements Update 06/2017
23.00.00.23.UEM (XLSX)   UEM Pipe Specification Tables Update 08/2018
23.05.00 (PDF)   Common Work Results for HVAC None 04/2012
23.05.13 (PDF) 23.05.13 (DOC) Common Motor Requirements for HVAC Equipment Update 06/2020
23.05.13.UEM (PDF) 23.05.13.UEM (DOC) UEM Motors Update 07/2021
23.05.19 (PDF) 23.05.19 (DOC) Manual Meters and Gauges Update 10/2019
23.05.23 (PDF) 23.05.23 (DOC) Valves for HVAC Update 09/2017
23.05.29 (PDF) 23.05.29 (DOC) Hangers and Supports for HVAC Piping and Equipment Update 09/2017
23.05.53 (PDF) 23.05.53 (DOC) Identification for HVAC Piping and Equipment Update 07/2021
23.05.53.A.UEM (PDF) 23.05.53.A.UEM (DOC) UEM Mechanical Identification (for Central Plant, Tower Area and TES) Update 02/2017
23.05.93 (PDF) 23.05.93 (DOC) Testing Adjusting and Balancing Update 01/2021
23.05.93.13 (PDF) 23.05.93.13 (DOC) System Preparation for Testing, Adjusting and Balancing Update 02/2018
23.07.00 (PDF) 23.07.00 (DOC) General HVAC Insulation Requirements Update 08/2018
23.07.00.UEM (PDF) 23.07.00.UEM (DOC) UEM Mechanical Insulation (CHW Piping and Equipment) Update 02/2017
23.07.13 (PDF) 23.07.13 (DOC) Ductwork Insulation Update 08/2018
23.07.16 (PDF) 23.07.16 (DOC) HVAC Equipment Insulation Update 08/2018
23.07.16.UEM (PDF) 23.07.16.UEM (DOC) UEM Equipment Insulation Update 02/2017
23.07.19 (PDF) 23.07.19 (DOC) HVAC Piping Insulation Update 08/2018
23.07.19.UEM (PDF) 23.07.19.UEM (DOC) UEM Piping Insulation Update 02/2017
23.09.13.13.UEM (PDF) 23.09.13.13.UEM (DOC) UEM Electrical Actuators Update 02/2017
23.09.23 (PDF) 23.09.23 (DOC) Direct Digital Control Systems Update 01/2020
23.09.43 (PDF) 23.09.43 (DOC) Pneumatic Control System for HVAC None 07/2017
23.10.00 (PDF) 23.10.00 (DOC) Facility Fuel Systems Update 09/2019
23.20.00 (PDF) 23.20.00 (DOC) HVAC Piping and Pumps Update 04/2021
23.21.13 (PDF) 23.21.13 (DOC) Hydronic Piping and Fittings Update 11/2017
23.21.13.UEM (PDF) 23.21.13.UEM (DOC) UEM Piping and Valves Update 10/2020
23.21.13.UEM (XLSX)   UEM Pipe Specification Tables Update 08/2018
23.21.13.A.UEM (PDF) 23.21.13.A.UEM (DOC) UEM UT Requirements for Water Treatment for Hydrostatic Testing of New Piping Systems Update 07/2021
23.21.13.B.UEM (PDF) 23.21.13.B.UEM (DOC) UEM UT Procedures for Cleaning, Passivating & Final Treatment of Chilled & Hot Water Piping Update 07/2021
23.21.23 (PDF) 23.21.23 (DOC) Hydronic Pumps Update 10/2017
23.21.23.UEM (PDF) 23.21.23.UEM (DOC) UEM Centrifugal Pumps Update 01/2021
23.21.26 (PDF) 23.21.26 (DOC) Hydronic Specialties Update 06/2020
23.22.00 (PDF)   Steam and Condensate Piping and Pumps None 04/2012
23.29.00 (PDF) 23.29.00 (DOC) Variable Frequency Drives Update 03/2018
23.31.00 (PDF) 23.31.00 (DOC) Ductwork Update 03/2018
23.33.33 (PDF) 23.33.33 (DOC) Duct Accessories Update 09/2021
23.34.00 (PDF) 23.34.00 (DOC) HVAC Fans Update 06/2018
23.36.00 (PDF) 23.36.00 (DOC) Air Terminal Units Update 12/2017
23.41.00 (PDF) 23.41.00 (DOC) Particulate Air Filtration Update 06/2018
23.50.00 (PDF)   Central Heating Equipment None 04/2012
23.52.33.UEM (PDF) 23.52.33.UEM (DOC) UEM Water-Tube Boilers Update 02/2017
23.57.00 (PDF) 23.57.00 (DOC) Heat Exchangers Update 07/2018
23.60.00 (PDF)   Central Cooling Equipment None 04/2012
23.62.00 (PDF) 23.62.00 (DOC) Packaged DX Air Conditioners Update 07/2018
23.70.00 (PDF)   Central HVAC Equipment None 04/2012
23.72.00 (PDF) 23.72.00 (DOC) Air-to-Air Energy Recovery Equipment Update 12/2019
23.73.00 (PDF) 23.73.00 (DOC) Indoor Air Handling Units Update 08/2017

 

Division 23 - Supplemental Standards

File Title and Link Updates Made Rev. Date
Pipe Testing Procedures None 09/2012
Energy and Water Performance Information Request (PDF) (DOC) Update 12/2019
Commissioning Scope of Services and Deliverables (PDF) (XLS) None 04/2017
Design & Construction Standard Detail Drawings None 04/2017
Non-Routine Discharge Guidance None 04/2017
Main Campus Chilled Water Service Design Specifications Update 01/2021
Allowable Ventilation Set-backs for Labs None 02/2019
Food Establishment Guidelines None 09/2019
Standard Operating Procedure for Dye Testing Update 07/2021

Detail Drawings

All Standard Detail Drawings presented herein are intended to assist architects, engineers, other design professionals, contractors and UT staff in understanding the preferences of The University of Texas at Austin in the development, maintenance, construction and repair of its facilities. These Detail Drawings are intended to be used as guidelines. Detail Drawing documents require modification to meet the conditions and appurtenances of each project; therefore the legal responsibility for project document preparation shall continue to reside with the Design Professional. Refer to the Welcome Page for additional requirements. The Detail Drawings were created in AutoCAD 2007 file format; AutoCAD is a registered trademark of Autodesk Inc.

Important: These Detail Drawing documents are for use by The University of Texas at Austin and its consultants and contractors. Drawings remain the property of The University of Texas at Austin at all times.

Viewing Note: The CAD (DWG) files will not open in a browser, you have to save them to the your desktop.

Division 23 - Detail Drawings

Section Title CAD Files PDF
M-23-1-5 TYPICAL BRANCH DUCT WITH 45° CLINCH TAP DETAIL M-23-1-5 M-23-1-5
M-23-1-6 TYPICAL BRANCH DUCT WITH CONICAL TAP DETAIL M-23-1-6 M-23-1-6
M-23-1-10 LINED SOUND PLENUM M-23-1-10 M-23-1-10
M-23-1-19 CEILING FIRE DAMPER DETAIL M-23-1-19 M-23-1-19
M-23-1-20 FIRE DAMPER INSTALLATION DETAIL M-23-1-20 M-23-1-20
M-23-1-28 LATERAL MIXING TEE DETAIL M-23-1-28 M-23-1-28
M-23-1-32 VAV FUME HOOD DETAIL (BUILDINGS WITH PNEUMATIC CONTROLS) M-23-1-32 M-23-1-32
M-23-3-1 WATER PIPING HANGERS AND SUPPORTS DETAIL M-23-3-1 M-23-3-1
M-23-3-2 PIPE SLEEVE DETAIL M-23-3-2 M-23-3-2
M-23-3-3 WATER PIPING HANGERS AND SUPPORTS DETAIL M-23-3-3 M-23-3-3
M-23-3-4 PIPE THRU ROOF DETAIL M-23-3-4 M-23-3-4
M-23-4-2 STEAM HEATING COIL PIPING DIAGRAM REHEAT POSITION M-23-4-2 M-23-4-2
M-23-4-2-A STEAM HEATING COIL PIPING DIAGRAM PREHEAT POSITION M-23-4-2-A M-23-4-2-A
M-23-4-8 PIPING SCHEMATIC: STEAM COIL M-23-4-8 M-23-4-8
M-23-4-10 SERIES CHILLED WATER COIL PIPING DIAGRAM M-23-4-10 M-23-4-10
M-23-4-17 CHILLED WATER INSULATION DETAIL AT AHU COIL M-23-4-17 M-23-4-17
M-23-4-18 CONDENSATE DRAIN DETAIL M-23-4-18 M-23-4-18
M-23-4-19 SCHEMATIC AIR BLEED/TEST VALVE SCHEMATIC M-23-4-19 M-23-4-19
M-23-4-23 PIPING DIAGRAM: STEAM TRAP AT END OF MAIN M-23-4-23 M-23-4-23
M-23-4-25 INSTRUMENT TAPS IN PIPING DETAIL M-23-4-25 M-23-4-25
M-23-4-27 SPLIT CHILLED WATER COIL PIPING DIAGRAM M-23-4-27 M-23-4-27
M-23-4-31 INSTRUMENTATION & MISCELLANEOUS PIPING TAPS (FOR WATER BELOW AMBIENT TEMP) M-23-4-31 M-23-4-31
M-23-4-34 COOLING COIL MOUNTING DETAILS M-23-4-34 M-23-4-34
M-23-5-8 STEAM CONDENSATE TANK & DUPLEX PUMP DETAIL M-23-5-8 M-23-5-8
M-23-5-10 END SUCTION PUMP PIPING DETAIL M-23-5-10 M-23-5-10
M-23-6-1 AHU - FRONT ACCESS FILTER HOUSING DETAIL M-23-6-1 M-23-6-1
M-23-8-3 MIXING LATERAL CONTROL DIAGRAM M-23-8-3 M-23-8-3
M-23-8-6 LOW TEMPERATURE SAFETY MOUNTING DETAIL M-23-8-6 M-23-8-6
M-23-8-22 THERMOSTAT & DAMPER CONTROLLER ASSEMBLY DETAIL M-23-8-22 M-23-8-22
M-23-8-23 THERMOSTAT & DAMPER CONTROLLER ASSEMBLY DETAIL M-23-8-23 M-23-8-23