HVAC Design Manual

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HVAC Design Manual 

Introduction

HVAC Design Manual
HVAC Design Manual

    This manual is intended for the Architect/Engineer (henceforth referred to as the A/E) and others engaged in the design and renovation of VA facilities. It is applicable to all Major Projects, Non-Recurring Maintenance (NRM) and Minor Construction Projects to ensure quality control and uniformity in design and construction practice and procedures. Use of this manual shall result in meeting the primary objective of providing environmental comfort to patients, staff, and visitors. The HVAC system shall be: 

  • Technically correct, complete, and coordinated. 
  • In compliance with all applicable safety standards. 
  • Easily accessible for repairs and maintenance. 
  • Energy efficient. 
  • In compliance with prescribed noise and vibration levels.

HVAC Equations, Data, and Rules of Thumb

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TABLE OF CONTENTS 

Chapter 1: BASIC REQUIREMENTS 

1.1 GENERAL  

1.2 ENERGY CONSERVATION 

1.3 MEASUREMENT AND VERIFICATION.

1.4 ABBREVIATIONS AND REFERENCES

1.5 COMMISSIONING

1.6 VA STANDARDS 

1.7 HVAC DESIGN MANUAL 

1.8 VA HOSPITAL BUILDING SYSTEM 

Chapter 2: HVAC DESIGN PARAMETERS AND SELECTION CRITERIA 

2.1 GENERAL 

2.2 BASIS OF DESIGN

2.3 SPECIAL STUDIES 

2.4 BUILDING THERMAL ENVELOPE (EXISTING FACILITIES ONLY) 

2.5 VIBRATION CONTROL

2.6 SEISMIC DESIGN REQUIREMENTS 

2.7 FIRE AND SMOKE PROTECTION

2.8 DESIGN CONSIDERATIONS FOR EXISTING BUILDINGS 

2.9 PROJECT PLANNING 

2.10 DEMOLITION WORK

2.11 LOCATIONS OF OUTDOOR AIR INTAKES AND EXHAUST AIR OUTLETS

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Chapter 3: AIRSIDE HVAC SYSTEMS AND EQUIPMENT

3.1 INTRODUCTION

3.2 ALL-AIR SYSTEMS

3.3 TERMINAL COOLING AND HEATING SYSTEMS

3.4 HEATING AND VENTILATION UNITS (HVU)

3.5 SUPPLY AIR OUTLETS

3.6 ENERGY RECOVERY SYSTEMS

3.7 DESIGN CRITERIA – AIR DISTRIBUTION SYSTEMS

3.8 EXHAUST SYSTEMS 

3.9 LABORATORIES AND ANIMAL FACILITIES

Chapter 4: BUILDING COOLING AND HEATING SYSTEM 

4.1 INTRODUCTION

4.2 COOLING SYSTEMS – CHILLED WATER

4.3 COOLING SYSTEMS - DIRECT EXPANSION (DX)

4.4 HEATING SYSTEMS 

4.5 DESIGN CRITERIA – PIPING SYSTEMS

Chapter 5: HVAC CONTROL SYSTEMS 

5.1 GENERAL 

5.2 BASIC DESIGN NEW STANDALONE FACILITY

5.3 BACNET CONTROLLER IDENTIFICATION

5.4 BASIC DESIGN ALL PROJECTS INTEGRATING TO EXISTING DDC SYSTEMS

5.5 SPECIFIC REQUIREMENTS

5.6 HUMIDITY SENSORS

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