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DG Koch Associates is now NV5

Our Services

DG Koch Associates LLC (DGKA) provides mechanical (HVAC), plumbing, medical gas, electrical and low voltage engineering services to building owners, architects, contractors, and additional clients nationwide.

Our energetic and dynamic firm was founded in 2006 by Donald G. Koch, P.E. With over 44 years of experience in the industry, DG Koch Associates has designed health care, high rise, hotels, churches, conference centers, schools, theaters, restaurants, office buildings, local and state government buildings, retail and light industrial spaces. Many of the non-governmental projects have been completed as fast track projects. We consider our Client’s goals and operation and maintenance requirements in selection of HVAC, Plumbing and Electrical systems. We use proven systems and reputable products. Our design services utilize AutoCAD drawings and REVIT modeling. DGKA has also been involved with several successful Silver and Gold LEED Green Building Projects.  DG Koch Associates provides exceptional customer service to our clients on all levels, not only in our construction documents. We are responsive and available to communicate effectively to each client to ensure each job is successful.

Our Philosophy

DGKA offers expert engineering services to Clients interested in personal, quality services provided by experienced personnel. We pride ourselves on responsive team member and client communications, first-rate drawings, and attention to detail. Our Clients interface directly with Mr. Koch and Ms. Martinez, both who have substantial experience in the industry.

Quality Control

Our design philosophy offers our Clients proven systems using reputable products. We prefer simplified temperature, lighting controls and energy management systems and consider maintenance access in our designs. Our engineers look for opportunities to save the Client installation and operating costs, while maintaining the expected level of quality in the mechanical, plumbing and electrical systems. The hands-on supervision that our experienced project managers provide for projects and employees, coupled with their excellent organizational skills, yields a well designed drawing product for our Clients. We provide AutoCAD and REVIT files to the other disciplines when requested, so that the mechanical, plumbing and electrical equipment installations can be properly coordinated, avoiding conflicts in the field.

Donald G. Koch

P.E. Principal Mechanical Engineer

Don Koch has over 45 years of experience in the industry designing mechanical (HVAC), plumbing and medical gas systems for projects primarily in Nevada, Arizona, California and Utah. Local, State and Federal clients over the years have included the Clark County School District, the State of Nevada Public Works Board, the Nevada National Guard, Bureau of Land Management, Corps of Engineers, Department of Energy, General Services Administration, and the United States Postal Service. Engineering projects have included hotel-casinos; hospitals and health care facilities; school and university facilities; auditoriums and houses of worship; governmental and military facilities; office buildings; residential; retail; and restaurants.

Dyan Martinez

Production Manager

Dyan Martinez has been working in the mechanical and plumbing systems engineering/design for 35 years and has worked directly for Mr. Koch for over 25 years. Ms. Martinez mechanical and plumbing engineering/design experience includes high rise multi-family, hotels, gaming facilities, restaurants, theaters, conference centers, schools, health care, office buildings, local/state/federal government buildings, retail and industrial buildings. Ms. Martinez currently manages the mechanical/plumbing design staff for all DGKA projects.

Mechanical Engineering/Design

  • Heating Ventilation and Air Conditioning sizing and equipment selection
  • Building Automation Control/Management Systems
  • Central Plant system design
  • Demand Control Ventilation
  • Duct sizing and design layout
  • Energy Modeling
  • Energy Recovery
  • Heating and Chilled Water Systems
  • Humidity Control
  • HVAC retrofits and tenant improvements
  • Kitchen hood and duct design
  • Sizing and selection of heating and air conditioning systems
  • Smoke Control Systems
  • Temperature Control
  • Thermal Comfort
  • Ventilation and Indoor Air Quality
  • Medical and laboratory conditioned air/filtration/ventilation system design

Plumbing Engineering/Design

  • Drain, Waste, and Vent Layout and Isometrics
  • Domestic Hot and Cold Water Supply Sizing and Layout
  • Sanitary and Storm system design and layout
  • Grease Trap/Interceptor Specification
  • Hot Water System Sizing and Layout
  • Laboratory Gas Systems
  • Acid Waste Systems
  • Medical Gas and Vacuum Systems
  • Natural Gas Pipe Sizing and Design
  • Compressed air and Vacuum system design
  • Plumbing Fixtures Selection
  • Water Conservation and Recovery
  • Water Use Reduction

Information Technology / Extended Low Voltage Systems Design

  • Telecommunications (Voice/Data) system design
  • Wireless Systems
  • Audio/Video Systems and Networks
  • Building Access Controls
  • Intrusion Detection systems
  • Surveillance/CCTV systems
  • Low Voltage systems integration
  • Building Automation and Energy Management Systems
  • Master Clocks and Timekeeping
  • Nurse Call systems
  • Emergency Call, Nurse Call, Code Blue and Paging Intercom Systems
  • Intrusion Detection, Security Systems and Video Surveillance
  • CATV , IP and Distributed systems

Energy / Sustainable Systems Design

  • LEED Compliance
  • CA Title 24 Compliance
  • Savings by Design
  • Sustainable Energy Systems
  • Green Building Rating Systems Implementation
  • Energy Audits and Assessments, Studies and Reports
NV5 Offices

Las Vegas, NV

Address: 3230 South Buffalo Dr, Suite 102, Las Vegas, NV 89117
Phone: (702) 221-5160

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We are an equal opportunity employer. All applicants will be considered for employment without attention to race, color, religion, sex, sexual orientation, gender identity, national origin, veteran or disability status. We ensure nondiscrimination in all programs and activities in accordance with Title VI of the United States Civil Rights Act of 1964. If you need more information or special assistance for persons with disabilities or limited English proficiency, contact MaryJo OBrien at (954) 495-2112. Persons with hearing-and speech-impairments can contact the NV5 by using the Virginia Relay Service, a toll-free telecommunication device for the deaf (TDD). Call 711 for TTY/TDD.
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