• Many Glacier Hotel at Glacier National Park, Montana

    DSC Workflows

Mechanical Standards

Review Design Standards General Statements before utilizing this web page.


Requirements
Laws
Regulations
Building Codes & Industry Standards
National Park Service (NPS) Requirements
Professional Guidance
Resources


Requirements

For Safety/Fire Protection and Sustainability Design requirements, see the Safety/Fire Protection and Sustainability Standards.


Laws

  • 40 U.S.C. §619 - Compliance with Nationally Recognized Codes
  • PL 102-486 - Energy Policy Act of 1992 - Stipulates plumbing fixture flows and flush volumes.
  • PL 109-058 - Energy Policy Act of 2005 - Among other things this legislation requires:
    • Reduced building energy consumption by at least 30% (20% for renovation) compared with ASHRAE 90.1 / IECC (where LCC effective).
    • Reduced water usage.
    • Procurement of both on-grid and off-grid renewable energy generation systems (solar hot water, solar electric, solar outdoor lighting, small wind turbines, fuel cells, etc) where such systems are life-cycle cost-effective.
    • Specification of recovered minerals in cement and concrete as recommended by EPA guidance in their "Comprehensive Procurement Guidelines".
    • Provides a mechanism whereby design firms may obtain an income tax credit up to $1.80 per square foot of designed building, when design can be shown to meet specific energy targets.
    • Requires the use of Energy Star or FEMP designated products - for products covered by either of these programs.

Regulations

Code of Federal Regulations (CFR)

Federal Acquisition Regulation (FAR)

  • FAR Parts 2, 4, 7, 11, 12, 13, 23, 42, 45 and 52.2 - The Federal Acquisition Regulation (FAR) address contracting and procurement procedures. These parts outline acquisition planning, energy and water efficiency, renewable energy, etc

Building Codes & Industry Standards

HVAC

  • International Energy Conservation Code (IECC) 2012
  • International Mechanical Code (IMC) 2012
  • ASHRAE Guideline 0-2005, "The Commissioning Process"
  • ASHRAE Guideline 1.1-2007, "HVAC&R Technical Requirements for The Commissioning Process"
  • ANSI/ASHRAE 15-2010, "Safety Standard for Refrigeration Systems"
  • ASHRAE 52.2-2012, "Method of Testing General Ventilation Air-Cleaning Devices for Removal Efficiency by Particle Size"
  • ASHRAE 55-2010, "Thermal Environmental Conditions for Human Occupancy"
  • ASHRAE 62.1-2010, "Ventilation for Acceptable Indoor Air Quality"
  • ASHRAE 62.2-2010, "Ventilation and Acceptable Indoor Air Quality in Low-Rise Residential Buildings"
  • ANSI/ASHRAE/IESNA 90.1-2007, "Energy Standard for Buildings Except Low-Rise Residential Buildings"
  • ANSI/ASHRAE 90.2-2007, "Energy-Efficient Design of Low-Rise Residential Buildings"
  • ANSI/SMACNA 006-2006, "HVAC Duct Construction Standards - Metal and Flexible"
  • NFPA Codes and Standards (see Safety/Fire Protection)

Plumbing

  • International Plumbing Code (IPC 2012)
  • ABAAS "Architectural Barriers Act Accessibility Standard" (Barrier-Free Plumbing Fixtures)

Fuel Systems

  • International Fuel Gas Code (IFGC 2012)
  • NFPA Codes and Standards (see Safety/Fire Protection)
  • API RP 1604-1996, "Closure of Underground Petroleum Storage Tanks"
  • API RP 1615-1996, "Installation of Underground Petroleum Storage Systems"
  • PEI RP 100-2005, "Recommended Practices for Installation of Underground Liquid Storage Systems"
  • PEI RP 200-2003, "Recommended Practices for Installation of Aboveground Storage Systems for Motor Vehicle Fueling"
  • UL 58-1996, "Standard for Steel Underground Tanks for Flammable and Combustible Liquids"
  • UL 142-2006, "Standard for Steel Aboveground Tanks for Flammable and Combustible Liquids"
  • UL 1316-1994, "Glass-Fiber-Reinforced Plastic Underground Storage Tanks for Petroleum Products, Alcohols, and Alcohol-Gasoline Mixtures"
  • UL 2085-1997, "Standard for Protected Aboveground Tanks for Flammable and Combustible Liquids"

Stationary Engines and Cogeneration

Conveying Systems

  • ANSI/ASME A17.1-2010, "Safety Code for Elevators and Escalators"
  • ANSI MH 30.1-2007, "Specification for Dock Leveling Devices"
  • ASME B30.11-2010, "Monorails and Underhung Cranes"
  • ASME B30.16-2012, "Overhead Hoists (Underhung)"
  • ICC/ANSI A117.1-2009, "Accessible and Usable Buildings and Facilities"
  • ANSI/ALI ALCTV-1998, "Safety Requirements for Automotive Lifts - Construction, Testing, and Validation"

National Park Service (NPS) Requirements

Management Policies

Management Policies 2006 - The Guide to Managing the National Park System

  • Chapter 9 Park Facilities
    • 9.1 General - This section provides requirements for design and construction of NPS facilities including sustainable energy, utilities, water supply systems, waste management, etc.
    • 9.3 Visitor Facilities - This section provides requirements for a range of visitor facilities including entrance stations, visitor centers, amphitheaters, campgrounds, comfort stations, etc.
    • 9.4 Management Facilities - This section provides requirements for a range of management facilities including administrative offices, museum collections management facilities, employee housing, etc.
  • Chapter 10 Commercial Visitor Services - This chapter provides requirements for concessionaire operations and facilities.

Handbooks, Reference Manuals (RMs) and other Professional Materials

Denver Service Center (DSC) Requirements

HVAC

  • Indoor Design Conditions for Public, Office, and Living Spaces:
    • Winter: 72 degrees F
    • Summer: 75 degrees F
    • Maximum Relative Humidity: 60%
  • Indoor Design Conditions for Shop and Storage Spaces:
    • Winter: 65 degrees F
    • Summer: 80 degrees F

Plumbing

  • Backflow Prevention: Comply with each park's backflow prevention regulations. As minimums, provide double check valve assemblies on all fire services or other water service connections that may produce objectionable backflow and reduced pressure zone backflow assemblies on all makeup water connections to HVAC equipment or other water service connections that may produce hazardous backflow.
  • Water Pressure: Pressure reducing valves shall be provided as necessary to limit water pressure in buildings to 80 psig maximum. Booster pumps shall be provided as necessary to maintain a minimum of 25 psig at the furthest plumbing fixture at design flow rate conditions.

Professional Guidance

Resources

HVAC

  • Outdoor Design Conditions: 2009 ASHRAE "Fundamentals Handbook", Chapter 14 (Climatic Design Information)
  • Hot and Humid Climates: ASHRAE "Guide for Buildings in Hot and Humid Climates"
  • Energy Conservation:
    • ASHRAE "Advanced Energy Design Guide for Small Office Buildings"
    • ASHRAE "Advanced Energy Design Guide for Small Retail Buildings"
    • ASHRAE "Advanced Energy Design Guide for Small Warehouses and Self Storage Buildings"
  • Building Material Thermal Properties: 2009 ASHRAE "Handbook of Fundamentals" Chapter 26 (Heat, Air, and Moisture Control in Building Assemblies - Material Properties)
  • Acoustical Criteria (maximum values):
    • Auditoriums and Exhibit Spaces: NC25
    • Office Spaces: NC35
    • Shop Spaces: NC45

Plumbing

  • Domestic Water Heating: 2011 ASHRAE "HVAC Applications Handbook", Chapter 50 (Service Water Heating)
  • Compressed Air Systems: 1988 CAGI "Compressed Air and Gas Handbook"