The report shall be organized with mechanical system and service hot water system findings in separate sections to allow independent review. The total interior lighting power allowance (watts) is determined according to, In a facility for the visually impaired (and 2.1. Precooling coils and water-to-water heat exchangers used as part of a water economizer system shall either have a water-side pressure drop of less than 15 feet (45 kPa) of water or a secondary loop shall be created so that the coil or heat exchanger pressure drop is not seen by the circulating pumps when the system is in the normal cooling (noneconomizer) mode. Evaporative condensers intended for use with halocarbon refrigerants other than R-507A shall meet the minimum efficiency requirements listed in this table with R-507A as the test fluid. The connected power associated with the following lighting equipment and applications is not included in calculating total connected lighting power. Skylight curbs shall be insulated to the level of roofs with insulation entirely above the deck or R-5, whichever is less. Exception: Where a manual control provides light reduction in accordance with Section C405.2.2.2, time-switch controls shall not be required for the following: Each space provided with time-switch controls shall be provided with a manual control for light reduction in accordance with Section C405.2.2.2. Walk-in coolers and refrigerated warehouse coolers shall contain wall, ceiling, and door insulation of not less than R-25 and walk-in freezers and refrigerated warehouse freezers shall contain wall, ceiling and door insulation of not less than R-32. Lighting for covered vehicle entrances and exits from buildings and parking structures where required for eye adaptation. Where this results in one or more sensors being located downstream of major, Controls shall be provided on each HVAC system that are capable of and configured to automatically raise the cooling setpoint and lower the heating setpoint by not less than 4°F (2°C) from the occupant setpoint within 30 minutes after the occupants have left the guestroom. Exception: Glazed portions of doors or structural members need not be insulated. The minimum fan speed shall be the minimum allowable speed of the fan drive system in accordance with the manufacturer's recommendations. Monitoring ambient light, both electric light and daylight, and brighten or dim artificial light to maintain desired light level. For spaces in which lighting is specified to be installed in addition to the. Areas designated as security or emergency areas that are required to be continuously lighted. For SI: 1 foot = 304.8 mm, 1 square foot = 0.0929 m2, °C = [(°F) - 32]/1.8, 1 British thermal unit per hour = 0.2931 W, 1 gallon = 3.785 L, 1 British thermal unit per hour per gallon = 0.078 W/L. Areas where it is documented that existing structures or natural objects block direct beam sunlight on not less than half of the roof over the enclosed area for more than 1,500 daytime hours per year between 8 a.m. and 4 p.m. 3.1. Control devices have been properly located, field calibrated and set for accurate setpoints and threshold light levels. 2.3. barriers on existing buildings, refer to Section C503.1 or Systems serving supermarket areas with open refrigerated casework. Condenser fan motors that are less than 1 hp (0.746 kW) in capacity shall be of the electronically commutated or permanent split capacitor-type or shall be 3-phase motors. Verify the correct time and date in the time switch. The water volume in the piping shall be calculated in accordance with Section C404.5.2.1. Lighting that is not controlled in accordance with Section C405.2.6.2 shall be controlled so that the total wattage of such lighting is automatically reduced by not less than 30 percent by selectively switching off or dimming luminaires at one of the following times: Time-switch controls for exterior lighting shall comply with the following: For lighting equipment to be installed in sales areas specifically to highlight merchandise, the additional lighting power shall be determined in accordance with Equation 4-11. This webinar, which is part of DOE's Building Energy Codes Program Energy Codes Commentator webinar-based training series, provided an overview of the 2018 IECC residential … Interior spaces shall be those located more than 15 feet (4572 mm) from an, Separate thermal blocks shall be assumed for spaces adjacent to glazed, Separate thermal blocks shall be assumed for spaces having floors that are in contact with the ground or exposed to ambient conditions from, Separate thermal blocks shall be assumed for spaces having exterior ceiling or. A = Distance measured horizontally from the farthest continuous extremity of any overhang, eave or permanently attached shading device to the vertical surface of the glazing. but not less than 8 W per linear foot (25 W/lin m). TDA = Total display area of the case, as measured in accordance with Appendix D of AHRI 1200. HIGH-LIMIT SHUTOFF CONTROL SETTING FOR AIR ECONOMIZERSb. Central systems and plants shall be provided with controls and devices that will allow system and equipment operation for any length of time while serving only the smallest isolation area served by the system or plant. Ducts, air handlers and filter boxes shall be sealed. A certification signed by the builder providing the building component characteristics of the, Documentation of the reduction in energy use associated with, The proposed skylight area; where the proposed skylight area is less than that permitted by, Where no heating system exists or has been specified, the heating system shall be modeled as fossil fuel. Each HVAC system having a total fan system motor nameplate horsepower exceeding 5 hp (3.7 kW) at fan system design conditions shall not exceed the allowable fan system motor nameplate hp (Option 1) or fan system bhp (Option 2) shown in Table C403.8.1(1). Rapidly and efficiently calculate project parameters. The floor area used for the sale of jewelry, crystal and china. Maximum capacity — minimum and maximum ratings as provided for and allowed by the unit's controls. The sub-cooled liquid temperature shall be controlled at a maximum temperature setpoint of 50°F (10°C) at the exit of the subcooler using either compressor economizer (interstage) ports or a separate compressor suction group operating at a saturated suction temperature of 18°F (-7.8°C) or higher. MAXIMUM NET EXHAUST FLOW RATE, CFM PER LINEAR FOOT OF HOOD LENGTH. This comprehensive publication provides a convenient reference for regulations in the 2018 International Energy Conservation Code® (IECC®). The unit controller shall be capable of manually initiating each operating mode so that the operation of compressors, economizers, fans and the heating system can be independently tested and verified. Economizer controls and dampers shall be configured to sequence the dampers with the mechanical cooling equipment and shall not be controlled by only mixed-air temperature. 3.2. Itemization of deficiencies found during testing required by this section that have not been corrected at the time of report preparation. Name of individual completing the compliance report. Multiple-cell heat rejection equipment with variable speed fan drives shall be controlled to operate the maximum number of fans allowed that comply with the manufacturer's requirements for all system components and so that all fans operate at the same fan speed required for the instantaneous cooling duty, as opposed to staged on and off operation. Portions of the roof shaded during the peak sun angle on the summer solstice by permanent features of the building or by permanent features of adjacent buildings. A horsepower at or above the midpoint between the two consecutive horsepowers shall be rounded up to the higher of the two horsepowers. NBI demonstrated its leadership in codes by submitting proposals for the IECC … Valves, pumps, strainers and threaded unions in piping that is 1 inch (25 mm) or less in nominal diameter. Light well depth = Measure vertically from the underside of the lowest point of the skylight glazing to the ceiling plane under the skylight. The override switch, when initiated, shall permit the controlled lighting to remain on for not more than 2 hours. Site-assembled or site-constructed refrigerated display cases shall comply with the following: Lighting and glass doors in refrigerated display cases shall be controlled by one of the following: Refrigerated display cases, walk-in coolers or walk-in freezers that are served by remote compressors and remote condensers not located in a condensing unit, shall comply with Sections C403.10.4.1 and C403.10.4.2. Ducts and plenums designed to operate at static pressures equal to or greater than 3 inches water gauge (747 Pa) shall be insulated and sealed in accordance with Section C403.11.1. This section covers lighting system controls, the maximum lighting power for interior and exterior applications and electrical energy consumption. The R-value of integral insulation installed in concrete masonry units shall not be used in determining compliance with Table C402.1.3 except as otherwise noted in the table. The floor area used for the sale of furniture, clothing, cosmetics and artwork. Tested areas shall total not less than 25 percent of the conditioned floor area and shall be tested in accordance with this section. Equipment class designations consist of a combination [in sequential order separated by periods (AAA).(BB). Parallel-flow fan-powered VAV air terminals shall have automatic controls configured to: During heating for warmup or setback temperature control, either: For systems with direct digital control of individual zones reporting to the central control panel, the static pressure setpoint shall be reset based on the zone requiring the most pressure. Was manufactured on or after April 16, 2015. The following systems and loads shall be included in determining the total building performance: heating systems, cooling systems, service water heating, fan systems, lighting power, receptacle loads and process loads. The controls shall start the pump upon receiving a signal from the action of a user of a fixture or appliance, sensing the presence of a user of a fixture or sensing the flow of hot or tempered water to a fixture fitting or appliance. Access to UL product and system certification information. A = 0.00000014592 × (LIFT)4 - 0.0000346496 × (LIFT)3 + 0.00314196 × (LIFT)2 - 0.147199 × (LIFT) + 3.9302. 3. The LLLC luminaire shall be independently capable of: Exceptions: Lighting controls are not required for the following: Occupant sensor controls shall be installed to control lights in the following space types: Occupant sensor controls in warehouses shall comply with Section C405.2.1.2. For insulation outside the stated conductivity range, the minimum thickness (T) shall be determined as follows: t = insulation thickness listed in the table for applicable fluid temperature and pipe size, K = conductivity of alternate material at mean rating temperature indicated for the applicable fluid temperature (Btu • in/h • ft2 • °F) and. The continuous air barrier shall be constructed to comply with the following: Materials with an air permeability not greater than 0.004 cfm/ft2 (0.02 L/s • m2) under a pressure differential of 0.3 inch water gauge (75 Pa) when tested in accordance with ASTM E2178 shall comply with this section. Spaces in health care facilities where patient care is directly provided. Discharge dampers used for air-system balancing are prohibited on constant-volume fans and variable volume fans with motors 10 hp (18.6 kW) and larger. LPAnorm = Normal building lighting power allowance in watts calculated in accordance with Section C405.3.2 and reduced in accordance with Section C406.3 where Option 2 of Section C406.1 is used to comply with the requirements of Section C406. Doorways shall be provided with strip doors, curtains, spring-hinged doors or other method of minimizing, Transparent reach-in doors for and windows in opaque. Lighting for theatrical purposes, including performance, stage, film production and video production. The defrost cycle shall terminate first on an upper temperature limit breach and second upon a time limit breach. Piping from a water heater to the termination of the heated water fixture supply pipe shall be insulated in accordance with Table C403.11.3. For luminaires with lamps connected directly to building power, such as line voltage lamps, the rated wattage of the lamp. Documentation of the building component characteristics of the, Thermal zoning diagrams consisting of floor plans showing the thermal zoning scheme for. This section covers the minimum efficiency of, and controls for, service water-heating equipment and insulation of service hot water piping. The total exceptional savings shall not constitute more than half of the difference between the baseline building performance and the proposed building performance. Theatrical purposes, including performance, stage, film production and video production. Where humidification or dehumidification or both is provided, not fewer than one humidity control device shall be provided for each humidity control system. Emergency egress lighting that is normally off. Areas predominantly consisting of residential zoning, All other areas not classified as lighting, High-activity commercial districts in major metropolitan, 135 W per location plus 45 W per additional ATM per location, The space use classification shall be chosen in, Type: Mass wall where proposed wall is mass; otherwise steel-framed, The interior lighting power shall be determined in accordance with, The lighting power shall be determined in accordance with, Receptacle, motor and process loads shall be, Operating schedules shall include hourly profiles, Where no service water hot water system exists or is specified in the, Variable air volume with parallel fan-powered boxes, Packaged variable air volume with parallel fan-, 2 minimum, with chillers added so that all are sized equally and none is larger than 800 tons. V = Volume of the case, as measured in accordance with Appendix C of AHRI 1200. The total efficiency of the fan at the design point of operation shall be within 15 percentage points of the maximum total efficiency of the fan. OPAQUE THERMAL ENVELOPE INSULATION COMPONENT MINIMUM REQUIREMENTS, R-VALUE METHODa, i. The following shall apply to hydronic water loop heat pump systems in Climate Zones 3 through 8: Exception: Where it can be demonstrated that a heat pump system will be required to reject heat throughout the year. Roof solar reflectance and thermal emittance shall comply with, Air leakage of building envelope assemblies shall comply with, Those with a peak design rate of energy usage less than 3.4 Btu/h • ft, Are separate buildings with floor area not more than 500 square feet (50 m, Are intended to house electronic equipment with installed equipment power totaling not less than 7 watts per square foot (75 W/m, Have a heating system capacity not greater than (17,000 Btu/hr) (5 kW) and a heating, Comply with the roof solar reflectance and thermal emittance provisions for. Where the supply airflow rate of a fan system exceeds the values specified in Tables C403.7.4(1) and C403.7.4(2), the system shall include an energy recovery system.

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