United States Department of Veterans Affairs
United States Department of Veterans Affairs

Office of Construction & Facilities Management -
TIL (Standards)

National CAD Standard Details - HVAC

The following details are available in two formats: standard AutoCAD files (DWG) and web viewable drawings (DWF). To open the web drawings in your browser, you must obtain the DWF Viewer available from AutoDesk. If you have questions concerning the technical content of these drawings, please contact Don Myers at donald.myers@va.gov

Title Detail
Number
Web
Drawing
AutoCAD
Drawing
HVAC Details Table of Contents
Pipe/Duct Penetration of Smoke/Fire Barriers 07270-1 DWF DWG
Unit Cooler Schedule 13062-1 DWF DWG
Condensing Unit Schedule 13062-2 DWF DWG
Supports for Unit Cooler 13062-3 DWF DWG
Designer's Notes for Details and Schedules 15050-1 DWF DWG
General Notes 15050-2 DWF DWG
Abbreviations 15050-3 DWF DWG
Abbreviations 15050-4 DWF DWG
Abbreviations 15050-5 DWF DWG
Abbreviations 15050-6 DWF DWG
Drawing Symbols 15050-8 DWF DWG
Ductwork Symbols 15050-9 DWF DWG
Ductwork Symbols 15050-10 DWF DWG
Ductwork Symbols 15050-11 DWF DWG
Terminal Unit Symbols 15050-12 DWF DWG
Air Terminal Symbols 15050-13 DWF DWG
Piping Symbols 15050-14 DWF DWG
Combination Air Conditioning and Heating Piping Symbols 15050-15 DWF DWG
General Symbols 15050-16 DWF DWG
Valve Symbols 15050-17 DWF DWG
Piping Riser Symbols 15050-18 DWF DWG
Control Symbols 15050-19 DWF DWG
Control Symbols 15050-20 DWF DWG
HVAC Design Data 15050-21 DWF DWG
Energy Efficient Motor Schedule 15050-22 DWF DWG
Typical Method of Securing Hanger Rods in Concrete Slabs and Beams 15050-23 DWF DWG
Steam Condensate Pump Schedule 15140-1 DWF DWG
Vacuum Pump Schedule 15140-2 DWF DWG
HVAC Pump Schedule 15140-3 DWF DWG
Vibration Isolation Schedule 15200-1 DWF DWG
Vibration Isolation Bases 15200-2 DWF DWG
Thrust Restraint for Fans 15200-3 DWF DWG
Concrete Equipment Bases 15200-4 DWF DWG
Seismic Bracing, Light Suspended Equipment and Resilient Pads (TYP DS) 15200-5 DWF DWG
Fire Protection for Ceiling Outlets 15250-1 DWF DWG
Water Cooled Chiller Schedule 15650-1 DWF DWG
Reciprocating Chiller and Remote Air Cooled Condenser Schedule 15650-2 DWF DWG
Packaged Air Cooled Reciprocating Chiller Schedule 15650-3 DWF DWG
Evaporative Condenser Schedule 15650-4 DWF DWG
Evaporative Water Cooler Schedule 15650-5 DWF DWG
Air Cooled Condensing Unit Schedule 15650-6 DWF DWG
Refrigerant Piping Detail w/ Double Suction Riser (Air Conditioning) 15651-1 DWF DWG
Refrigerant Piping Detail (Air Conditioning) 15651-2 DWF DWG
Refrigerant Piping Diagram For Floor Mounted Compressor (Walk-In Refrigerator or Freezer) 15651-3 DWF DWG
Refrigerant Piping Diagram for Ceiling Mounted Compressor (Walk-In Refrigerator or Freezer) 15651-4 DWF DWG
Typical Pipe Hangers 15705-1 DWF DWG
Detail for Supporting Pipe on Roof 15705-2 DWF DWG
Horizontal Pipe Anchor Detail 15705-3 DWF DWG
Support Anchor for Pipe Risers 15705-4 DWF DWG
Support Anchor for Condenser or Chilled Water Pipe 15705-5 DWF DWG
Typical Pipe Trench in Building 15705-6 DWF DWG
Detail of Anchor in Trench for Steam and Condensate Lines 15705-7 DWF DWG
Water Flow Measuring Device Installation Detail and Schedule 15705-8 DWF DWG
Installation of Thermometer Wells 15705-9 DWF DWG
Typical Detail for Tubing, Piping, and Conduit Passing Through Pre-Fab Insulated Wall Panels 15705-10 DWF DWG
Typical Piping Connection to In-Line Water Pumps 15705-11 DWF DWG
Typical Piping Connection to Floor Mounted, Single Suction Water Pumps with Flexible Connector 15705-12 DWF DWG
Typical Piping Connection to Floor Mounted, Single Suction Water Pumps with Mechanical Couplings 15705-13 DWF DWG
Typical Piping Connection to Floor Mounted, Double Suction Water Pumps with Flexible Connector 15705-14 DWF DWG
Typical Piping Connection to Floor Mounted, Double Suction Water Pumps with Flexible Connector 15705-15 DWF DWG
Typical Piping Connections to Condensate Pumps 15705-16 DWF DWG
Condensate Piping Return Around Openings 15705-17 DWF DWG
Expansion Tank Schedule 15705-18 DWF DWG
Air Control and Piping Connections for Chilled and Heating Hot Water Systems with Horizontal Expansion Tank 15705-19 DWF DWG
Air Control and Piping Connections for Chilled and Heating Hot Water Systems with Floor Mounted Expansion Tank 15705-20 DWF DWG
Air Control and Piping Connections for Chilled and Heating Hot Water Systems with Diaphragm Type Expansion Tank 15705-21 DWF DWG
Piping and Control Diagram For Indirect Make-Up for Glycol-Water Systems 15705-22 DWF DWG
Typical Chilled and Heating Hot Water Drain Valve Connections and Air Vent Details 15705-23 DWF DWG
Air Handling Unit Drain Trap Detail 15705-24 DWF DWG
Typical Piping Connections to Evaporative Water Coolers 15705-25 DWF DWG
Expansion Loop Detail 15705-26 DWF DWG
Water Filter Schedule 15705-27 DWF DWG
Typical Piping Connections to Chilled and Heating Hot Water Systems Water Filters 15705-28 DWF DWG
Typical Chilled and Heating Hot Water Treatment for Closed Systems 15705-29 DWF DWG
Typical Cooling Tower Water Treatment System (Open System) 15705-30 DWF DWG
Typical Piping Connections to Converters 15705-31 DWF DWG
Pitot Test Connections 15705-32 DWF DWG
Typical Piping Connections to Air Cooled Water Chiller 15705-33 DWF DWG
Water Flow Measuring Device Schedule 15705-34 DWF DWG
Typical Piping Connections to Water Cooled Electrical Chiller 15705-35 DWF DWG
Typical Piping Connections to Reciprocating Chiller & Remote Air Cooled Condenser 15705-36 DWF DWG
Typical Piping Connections to Absorption Chiller 15705-37 DWF DWG
Cooling Tower Schedule 15705-38 DWF DWG
Typical Piping Connections to Single Cell Cooling Tower 15705-39 DWF DWG
Typical Piping Connections to Multi-Cell Cooling Tower 15705-40 DWF DWG
Safety Valve and Relief Valve Schedule 15705-41 DWF DWG
Steam Pressure Reducing Station - Single Valve 15705-42 DWF DWG
Steam Pressure Reducing Station - Double Valve 15705-43 DWF DWG
Piping Crossing A Seismic Joint Detail "A" 15705-44 DWF DWG
Piping Crossing A Seismic Joint Detail "B" 15705-45 DWF DWG
Piping Crossing A Seismic Joint Detail "C" 15705-46 DWF DWG
Piping Crossing A Seismic Joint Detail "D" 15705-47 DWF DWG
Piping Crossing A Seismic Joint Detail "E" 15705-48 DWF DWG
Converter Schedule 15705-49 DWF DWG
Condensate Cooler Schedule 15705-50 DWF DWG
Hot Water Radiant Ceiling Panel Piping Detail 15705-51 DWF DWG
Typical Connections to Water Coils 15705-52 DWF DWG
Typical Coil Piping Connections to Two Pipe Fan Coil Units, VAV Boxes, and Duct Mounted Reheat Coils 15705-53 DWF DWG
Typical Connections to Vertical and Horizontal Hot Water Unit Heaters 15705-54 DWF DWG
Typical Connections to Steam Coil 15705-55 DWF DWG
Wall Hung Convector Detail 15705-56 DWF DWG
Piping Connections to Horizontal and Vertical Type Steam Unit Heaters 15705-57 DWF DWG
Steam Humidifier Schedule 15705-58 DWF DWG
Typical Connections to Horizontal Type Steam Humidifier with Single Diffuser 15705-59 DWF DWG
Typical Connections to Horizontal Type Steam Humidifier with Multiple Diffusers 15705-60 DWF DWG
Single Duct Air Terminal Unit Schedule 15740-1 DWF DWG
Air Terminal Unit Sound Requirements 15740-2 DWF DWG
Air Flow Control Valve Terminal Unit Schedule 15740-3 DWF DWG
Two Pipe Fan Coil Unit Schedule 15740-4 DWF DWG
Four Pipe Fan Coil Unit Schedule 15740-5 DWF DWG
Exposed Horizontal Fan Coil Unit Mounting Detail 15740-6 DWF DWG
Exposed Horizontal Fan Coil Unit With Outside Air Mounting Detail 15740-7 DWF DWG
Concealed Horizontal Fan Coil Unit With Outside Air Mounting Detail 15740-8 DWF DWG
Hot Water Unit Heater Schedule 15740-9 DWF DWG
Hot Water Finned Tube Radiation Schedule 15740-10 DWF DWG
Steam Unit Heater Schedule 15740-11 DWF DWG
Steam Radiator, Finned Tube Radiation and Convector Connections Schedule (For Gravity or Vacuum Return Systems) 15740-12 DWF DWG
Electric Duct Mounted Heating Coil Schedule 15740-13 DWF DWG
Electric Unit Heaters Schedule 15740-14 DWF DWG
Electric Radiant Heating Panel Schedule 15740-15 DWF DWG
Chilled Water Cooling Coil Schedule 15750-1 DWF DWG
Hot Water Heating Coil Schedule 15750-2 DWF DWG
Steam Coil Schedule 15750-3 DWF DWG
Direct Expansion Coil Schedule 15750-4 DWF DWG
Air Handing Unit Schedule 15763-1 DWF DWG
Access Door Swing Detail for Air Handling Units 15763-2 DWF DWG
Make-up Air Heating and Ventilating Unit Schedule 15763-3 DWF DWG
Room Heating and Cooling Unit Schedule (Thru-Wall, Steam Heating Coil, Self Contained Refrigeration) 15770-1 DWF DWG
Room Heating and Cooling Unit Schedule (Thru-Wall, Electrical Heating Coil, Self Contained Refrigeration) 15770-2 DWF DWG
Single Package Water Cooled Air Conditioner Schedule 15770-3 DWF DWG
Water Cooled Heat Pump Schedule 15771-1 DWF DWG
Horizontal Water Cooled Heat Pump Installation Detail 15771-2 DWF DWG
Energy Recovery Run Around Water Coil Schedule 15819-1 DWF DWG
Air to Air Plate Heat Exchanger Schedule 15819-2 DWF DWG
Rotary Air to Air Plate Heat Exchanger Schedule 15819-3 DWF DWG
Fan Schedule 15822-1 DWF DWG
Roof Ventilator, Power Type 15822-2 DWF DWG
Low Silhouette Exhaust or Intake Hood 15822-3 DWF DWG
Hydronic Radiant Ceiling Panel Schedule 15835-1 DWF DWG
Duct Pressure Class Table 15840-1 DWF DWG
Duct Leakage Classification and Allowable Leakage Table 15840-2 DWF DWG
Curb Mounted Gravity Hood Schedule 15840-3 DWF DWG
Sound Attenuating Unit Schedule 15840-4 DWF DWG
Ductwork Square Vaned Elbows 15840-5 DWF DWG
Typical Ductwork Transition and Transition with Equipment Mounted in Duct 15840-6 DWF DWG
Supply Ductwork Take-Offs 15840-7 DWF DWG
Supply Branch Duct for Fan Coil Units 15840-8 DWF DWG
Exhaust or Return Branch Ductwork 15840-9 DWF DWG
Ductwork Radius Elbows 15840-10 DWF DWG
Volume Damper Detail 15840-11 DWF DWG
Access Door and Access Panel 15840-12 DWF DWG
Access Panel for High Pressure Duct Systems 15840-13 DWF DWG
Access Section, Round/Oval Duct 15840-14 DWF DWG
Ceiling Diffuser Ductwork Take-Offs 15840-15 DWF DWG
Rectangular and Round Flexible Duct Connection Details 15840-16 DWF DWG
Section Through Typical Fire Damper Installation 15840-17 DWF DWG
Flat Oval Duct Hangers / Reinforcement 15840-18 DWF DWG
Round Duct Hangers 15840-19 DWF DWG
Low, Medium, and High Pressure Duct Riser Supports 15840-20 DWF DWG
Exhaust Fan Stack Detail 15840-21 DWF DWG
Dishwasher Exhaust and Piping Detail 15840-22 DWF DWG
Exhaust and Fume Hood Schedule 15840-23 DWF DWG
Duct Film Processor 15840-24 DWF DWG
Hood Type A 15840-25 DWF DWG
Hood Type B 15840-26 DWF DWG
Glassware Washer Hood Exhaust Detail 15840-27 DWF DWG
Cage Washer Exhaust Detail 15840-28 DWF DWG
Nurse Server Cabinet Exhaust 15840-29 DWF DWG
Flexible Duct Connection for Air Terminal Units 15840-30 DWF DWG
Biological H-12 Hood Air Flow Cabinet 15840-31 DWF DWG
Air Filter Schedule 15885-1 DWF DWG
Air Flow Measuring Device Schedule 15902-1 DWF DWG
Smoke and Combination Fire/Smoke Damper Schedule 15902-2 DWF DWG
Hoistway Vent Damper Schedule 15902-3 DWF DWG
Compressor Unit Schedule 15902-4 DWF DWG
Two Pipe Fan Coil Unit Controls 15902-5 DWF DWG
Hot Water Cabinet Heater Unit Controls 15902-6 DWF DWG
Cabinet Unit Heater Control 15902-7 DWF DWG
Hot Water Unit Heater Control 15902-8 DWF DWG
Dual Converter Controls (Heating System) 15902-9 DWF DWG
Steam Humidifier Controls 15902-10 DWF DWG
Walk-In Refrigerator or Freezer System Control With Air Cooled Condenser 15902-11 DWF DWG
Walk-In Refrigerator or Freezer System Control With Water Cooled Condenser 15902-12 DWF DWG
Isolation Room Control (Negative Isolation) 15902-13 DWF DWG
Isolation Room Control (Positive Isolation) 15902-14 DWF DWG
H3 Radioisotope Hood Constant Volume Exhaust Air Controls 15902-15 DWF DWG
H3 Radioisotope Hood Variable Volume Exhaust Air Controls 15902-16 DWF DWG
Mortuary Refrigerator Exhaust Controls 15902-17 DWF DWG
HEPA Filter Controls For Autopsy and Isolation Room Exhaust Systems 15902-18 DWF DWG
Variable Air Volume Air Handling Unit With Economizer Control Diagram 15902-19 DWF DWG
Sequence of Operation For Variable Air Volume Air Handling Unit w/ Economizer 15902-20 DWF DWG
Controls Legend 15902-21 DWF DWG
Controls Legend 15902-22 DWF DWG
Packaged Air Cooled Water Chiller Controls 15902-23 DWF DWG
VAV Air Terminal Unit Without Reheat Control Diagram (Type "A") 15902-24 DWF DWG
Constant Volume Air Terminal Unit With Reheat Control Diagram (Type "B") 15902-25 DWF DWG
VAV Air Terminal Unit With Reheat Control Diagram (Type "C") 15902-26 DWF DWG
VAV Air Terminal Unit With Reheat Control Diagram (Type "D") Combined With Perimeter Radiant Ceiling Panels 15902-27 DWF DWG
VAV Air Terminal Unit With Reheat Control Diagram (Type "E") Combined With Perimeter Finned Tube Radiation 15902-28 DWF DWG
VAV Air Terminal Unit With Reheat Control Diagram (Type "F") and Modulating Air Flow For Heating Mode 15902-29 DWF DWG
Fan Powered VAV Air Terminal Unit With Reheat Control Diagram (Type "G") 15902-30 DWF DWG
Emergency Generator Room Controls 15902-31 DWF DWG
Hoistway Vent Damper (HVD) Controls 15902-32 DWF DWG
Control of Smoke Barrier Above Smoke Barrier Doors 15902-33 DWF DWG
Control of Smoke Damper at Smoke Partition With Duct Mounted Smoke Detector 15902-34 DWF DWG