Florida Administrative Code › 61 - DEPARTMENT OF BUSINESS AND PROFESSIONAL REGULATION › 61G15 - Board of Professional Engineers › Chapter 61G15-34 - MECHANICAL SYSTEMS › Section 61G15-34.003 - Design of Heating, Ventilation, Air Conditioning, and Refrigeration Systems

Current through Reg. 50, No. 138; July 16, 2024
(1) Heating,
				Ventilating, Air Conditioning and Refrigeration (HVACR) Systems include those
				systems that control the temperature, humidity, or indoor air quality of a
				particular space, building or network of buildings. Items to be considered in
				the design and analysis of HVACR systems are, as applicable to the particular
				project: peak and block load characteristics and capacities; minimum
				ventilation; filtration; heat or energy transfer; movement of air, water, or
				other fluids associated with HVACR processes; pressure drop; instrumentation
				and control; performance requirements; and installation requirements.
(2) The HVACR System(s) shall be based on and
				shall reference the Florida Building Code, the Florida Fire Prevention Code,
				any other applicable standards (such as ASHRAE, NFPA, ASME, ANSI, IIAR, etc.);
				or if no other such standards are available on alternative engineering sources
				and good engineering practice.
(3)
				For Mechanical Engineering Documents pertaining to HVACR systems exempted by
				the threshold requirements for mandatory use of professional engineering
				services established by Section
				471.003(2)(h),
				F.S., the Engineer of Record shall determine the level of detail shown on plans
				for HVACR systems. All such plans must include a disclaimer stating the HVACR
				systems are exempt from professional engineering services and shall provide a
				clear understanding of the minimum system requirements expected to be installed
				by the contractor and permitted by the authority having jurisdiction (AHJ). In
				the event the Engineer of Record provides more information and direction than
				is minimally required, he or she shall be held responsible for the technical
				accuracy of the work in accordance with applicable codes, standards and sound
				engineering principles.
(4)
				Mechanical Engineering Documents pertaining to HVACR systems that exceed the
				threshold requirements for mandatory use of professional engineering services
				must include the following information, if applicable to the particular
				project:
(a) Demonstrate and provide adequate
				information for the AHJ to determine compliance with codes and ordinances.
				These may include test methods and results; or data and tabulations that are
				results of the design.
(b)
				Equipment selection schedule for each piece of mechanical equipment. All
				equipment must include the following information, if applicable to the
				particular equipment:
1. Equipment
				efficiencies.
2. Electrical
				requirements based on voltage and phase.
3. Fuel requirements.
4. Static pressure and fan air
				quantities.
5. Fluid flow and
				pressure head quantities.
6. Heat
				transfer capacities.
7. Cooling
				coil requirements based on sensible heat, latent heat, and total heat
				gains.
8. Filtration
				requirements.
9. Motor sizes and
				quantities to demonstrate compliance with the Florida Building Code, Energy
				Conservation.
(c) Floor
				plans; site plans; and building and mechanical system sections or elevations as
				appropriate to provide the minimum system requirements expected to be installed
				by the contractor.
(d) Ventilation
				requirements based on natural or mechanical means, as necessary for
				demonstrating compliance with the Florida Building Code, Mechanical.
(e) Energy recovery requirements.
(f) Outside and inside design conditions for
				cooling, heating, dehumidification, evaporation, and humidification processes,
				as applicable.
1. Processes affecting sensible
				heat only may specify outside dry bulb temperature only.
2. Processes affecting latent heat only may
				specify outside humidity ratio only.
3. Processes affecting total heat must
				specify outside dry bulb temperature and at least one other coincidental
				psychrometric state point.
4.
				Inside design conditions must include dry bulb temperature and either wet bulb
				temperature or relative humidity for cooling and heating conditions, as
				applicable. Where inside design conditions are setback based on occupancy, both
				occupied and unoccupied design conditions must be listed.
(g) Duct riser diagrams when ductwork travels
				vertically more than three stories.
(h) Process schematic flow diagrams with pipe
				sizes and fluid flow quantities.
(i) Condensation discharge piping layout with
				pipe sizes.
(j) Instrumentation and
				Control System requirements, unless included on either Electrical or on
				Instrumentation and Control plans to ensure intentional operation of the
				system.
(k) Unless included on
				plumbing system plans, design for fuel gas system, including piping layout and
				sizes; isometric or riser diagram with pipe sizes; and fuel gas capacity and
				pressure for each pipe section.
(l)
				Ductwork layout and sizing; insulation requirements; supply, return, and
				exhaust inlet and outlet sizes; and outside air intake sizes. Air quantities
				shall be specified for inlets and outlets.
(m) Piping layout and sizing; and insulation
				requirements.
(n) Materials for all
				HVACR systems shall be specified.
(o) All data needed to complete the
				calculations for compliance with Florida Building Code, Energy Conservation as
				applicable.
(p) Identify and locate
				required fire protection devices, such as fire dampers, smoke dampers, and
				smoke detectors.
(q) A list,
				description, or details of through-penetration firestop systems as
				applicable.
(r) Building
				pressurization criteria as applicable.
1.
				Overall building net pressurization consisting of an air balance summary of
				outside (fresh) ventilation air quantities versus exhaust air quantities. For
				existing facilities where only a portion of the building is being renovated,
				the air balance summary must include all affected areas, which may not require
				an air balance summary for the entire building.
2. In spaces with critical pressurization
				requirements, such as in health care facilities, pharmaceutical facilities, and
				laboratories, a pressurization summary or diagram depicting pressure
				relationship with adjacent spaces. Supply, return, exhaust, and make-up air
				quantities, overall room pressurization, and make-up (transfer) air pathways
				shall be specified. For spaces with varying conditions, the pressurization
				summary shall include scenarios at both maximum and minimum design
				conditions.
(s) Systems
				commissioning requirements for demonstrating compliance with the Florida Build
				Code, Energy Conservation.