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COMcheck Software Version 4.0.0
Mechanical Compliance Certificate
Section 1: Project Information
Energy Code:
Project Type:Addition
Construction Site: Owner/Agent: Designer/Contractor:
72nd&Dartmouth
Tigard,OR 97224
Section 2: General Information
Building Location(for weather data): Tigard,Oregon
Climate Zone: 4c
Section 3: Mechanical Systems List
Quantity System Type&Description
4 HVAC System 1 (Single Zone):
Heating:4 each-Other,Gas,Capacity=125 kBtu/h
No minimum efficiency requirement applies
Cooling:4 each-Single Package DX Unit,Capacity=68 kBtu/h,Air-Cooled Condenser,Air Economizer
Proposed Efficiency=11.00 EER,Required Efficiency=11.00 EER
Fan System: None
Section 4: Requirements Checklist
In the following requirements,blank checkboxes identify requirements that the applicant has not acknowledged as being met. Checkmarks
identify requirements that the applicant acknowledges are met or excepted from compliance. 'Plans reference page/section'identifies where in
the plans/specs the requirement can be verified as being satisfied.
Requirements Specific To: HVAC System 1 :
irl. Equipment meets minimum efficiency: Single Package Unit: 11.00 EER(11.2 IEER)
'Cr 2. Energy recovery ventilation systems.Individual fan systems that have both a design supply air capacity of 5,000 cfm or greater and a
minimum outside air supply of 70 percent or greater of the design supply air quantity have an energy recovery system.
Exception(s):
❑ Where energy recovery systems are prohibited by the International Mechanical Code.
❑ Systems serving spaces that are not cooled and are heated to less than 60°F.
❑ Where more than 60 percent of the outdoor heating energy is provided from site-recovered or site solar energy.
❑ Type 1 kitchen exhaust hoods.
❑ Cooling systems in climates with a 1-percent cooling design wet-bulb temperature less than 64°F(18°C).
❑ Systems requiring dehumidification that employ series-style energy recovery coils wrapped around the cooling coil when the
evaporative coil is located upstream of the exhaust air stream.
❑ Systems exhausting toxic,flammable,paint exhaust,corrosive fumes,or dust.
❑ Laboratory fume hood systems that include qualifying features.
Plans reference page/section:
<3. Supply air economizers shall be provided on each cooling system and are capable of providing 100-percent outdoor air,even if
/' additional mechanical cooling is required to meet the cooling load of the building.Systems provide a means to relieve excess outdoor
air during economizer operation to prevent overpressurizing the building.
Exception(s):
❑ Cooling equipment less than 54,000 Btu/hr total cooling capacity.
Plans reference page/section:
Project Title: Red Rock Report date: 02/20/15
Data filename: Untitled.cck Page 1 of 5
4. Hydronic system controls.Hydronic systems of at least 300,000 Btu/h design output capacity supplying heated and chilled water to
comfort conditioning systems include controls that meet the requirements of Section 503.4.3.
Plans reference page/section:
Generic Requirements: Must be met by all systems to which the requirement is applicable:
g1. Calculation of heating and cooling loads.Design loads are determined in accordance with the procedures described in the
ASHRAE/ACCA Standard 183.Alternatively,design loads have been determined by an approved equivalent computation procedure.
m❑ 2. Packaged Electric Equipment.Specified packaged electrical equipment has a heat pump as the primary heating source.
Exception(s):
❑ Unstaffed equipment shelters or cabinets used solely for personal wireless service facilities.
❑ Requirement is not applicable.
Plans reference page/section:
i4 3. Equipment and system sizing.Heating and cooling equipment and systems capacity do not exceed the loads calculated in accordance
f with Section 503.2.1.
Exception(s):
❑ Required standby equipment and systems provided with controls and devices that allow such systems or equipment to operate
automatically only when the primary equipment is not operating.
❑ Multiple units of the same equipment type with combined capacities exceeding the design load and provided with controls that
have the capability to sequence the operation of each unit based on load.
Plans reference page/section:
jd 4. HVAC Equipment Performance Requirements.Reported efficiencies have been tested and rated in accordance with the applicable test
procedure.The efficiency has been verified through certification under an approved certification program or,if no certification program
exists,the equipment efficiency ratings are supported by data furnished by the manufacturer.
iq5. Thermostatic Controls.The supply of heating and cooling energy to each zone is controlled by individual thermostatic controls that
rrespond to temperature within the zone.
Plans reference page/section:
/l.❑ 6. Heat pump supplementary heat.Heat pumps having supplementary electric resistance heat have controls that,except during defrost,
prevent supplementary heat operation when the heat pump can meet the heating load.
Plans reference page/section:
le 7. Set point overlap restriction.Where used to control both heating and cooling,zone thermostatic controls provide a temperature range
1" or deadband of at least 5°F(2.8°C)within which the supply of heating and cooling energy to the zone is capable of being shut off or
reduced to a minimum.
Exception(s):
❑ Thermostats requiring manual change over between heating and cooling modes.
Plans reference page/section:
p. Optimum Start Controls.Each HVAC system has controls that vary the start-up time of the system to just meet the temperature set
point at time of occupancy.
Plans reference page/section:
A.-9. Off-hour controls.Each zone is provided with thermostatic setback controls that are controlled by either an automatic time clock or
programmable control system.
Exception(s):
❑ Zones that will be operated continuously.
❑ Zones with a full HVAC load demand not exceeding 6,800 Btu/h(2 kW)and having a readily accessible manual shutoff switch.
Plans reference page/section:
g 10.Shutoff damper controls.Both outdoor air supply and exhaust are equipped with not less than Class I motorized dampers.
/— Exception(s):
U Gravity dampers shall be permitted for outside air intake or exhaust airflows of 300 cfm or less.
Plans reference page/section:
itio4❑ 11.Freeze Protection and Snow melt system controls.Freeze protection systems,such as heat tracing of outdoor piping and heat
exchangers,including self-regulating heat tracing,include automatic controls capable of shutting off the systems when outdoor air
temperatures meet code criteria.
Plans reference page/section:
Project Title: Red Rock Report date: 02/20/15
Data filename: Untitled.cck Page 2 of 5
fo� j 12.Separate air distribution systems.Zones with special process temperature requirements and/or humidity requirements are served by
M `� separate air distribution systems from those serving zones requiring only comfort conditions;or shall include supplementary control
provisions so that the primary systems may be specifically controlled for comfort purposes only.
Exception(s):
Li [503.2.4.8+]Zones requiring only comfort heating or comfort cooling that are served by a system primarily used for process
temperature and humidity control.
Plans reference page/section:
pp. n 13.Humidity control.If a system is equipped with a means to add or remove moisture to maintain specific humidity levels in a zone or
'T zones,a humidity control device is provided.
Plans reference page/section:
/tgetu 14.Humidity control.Where a humidity control device exists it is set to prevent the use of fossil fuel or electricity to produce relative
humidity in excess of 30 percent.Where a humidity control device is used for dehumidification,it is set to prevent the use of fossil fuel
or electricity to reduce relative humidity below 60 percent.
Exception(s):
❑ Hospitals,process needs,archives,museums,critical equipment,and other non-comfort situations with specific humidity
requirements outside this range.
Plans reference page/section:
4A❑ 15.Humidity control.Where a humidity control device exists it is set to maintain a dead band of at least 10%relative humidity where no
active humidification or dehumidification takes place.
Exception(s):
❑ Heating for dehumidification is provided with heat recovery or heat pumping and the mechanical cooling system efficiency is 10
percent higher than required in section 503.2.3,HVAC equipment performance requirements.
Plans reference page/section:
X16.Ventilation.Ventilation,either natural or mechanical,is provided in accordance with Chapter 4 of the International Mechanical Code.
Where mechanical ventilation is provided,the system has the capability to reduce the outdoor air supply to the minimum required by
Chapter 4 of the Intemational Mechanical Code.
Plans reference page/section:
�4t ❑ 17.Demand controlled ventilation(DCV).DCV is required for spaces larger than 500 ft2 for simple systems and spaces larger than 150 ft2 1
A/� for multiple zone systems.
Exception(s):
❑ Systems with energy recovery complying with Section 503.2.6
❑ Spaces less than 750 ft2(69.7 m2)where an occupancy sensor turns the fan off,closes the ventilation damper,or closes the
zone damper when the space is unoccupied.
Plans reference page/section:
i❑ 18.Kitchen hoods.Kitchen makeup is provided as required by the Oregon Mechanical Specialty Code.
1 ' Exception(s):
❑ Where hoods are used to exhaust ventilation air that would otherwise be exhausted by other fan systems.
Li Kitchen exhaust systems that include exhaust air energy recovery complying with section 503.2.6.
Plans reference page/section:
404.0 19.Enclosed parking garage ventilation controls.In Group S-2,enclosed parking garages used for storing or handling automobiles employs
automatic carbon monoxide sensing devices.
Plans reference page/section:
20.Duct and plenum insulation and sealing.All supply and return air ducts and plenums are insulated with the specified insulation.When
located within a building envelope assembly,the duct or plenum is separated from the building exterior or unconditioned or exempt
spaces by a minimum of R-8 insulation.All ducts,air handlers and filter boxes are sealed.Joints and seams comply with Section 603.9
of the International Mechanical Code.
Exception(s):
❑ When located within equipment.
❑ When the design temperature difference between the interior and exterior of the duct or plenum does not exceed 15°F(8°C).
1.Low-pressure duct systems.All longitudinal and transverse joints,seams and connections of low-pressure supply and return ducts are
securely fastened and sealed with welds,gaskets,mastics(adhesives),mastic-plus-embedded-fabric systems or tapes installed in
accordance with the manufacturer's installation instructions.
Exception(s):
Project Title: Red Rock Report date: 02/20/15
Data filename: Untitled.cck Page 3 of 5
u Continuously welded and locking-type longitudinal joints and seams on ducts operating at static pressures less than 2 inches w.g.
pressure classification.
Plans reference page/section:
/PTj 22.Medium-pressure duct systems.All ducts and plenums designed to operate medium-pressure are insulated and sealed in accordance
with Section 503.2.7.Pressure classifications specific to the duct system are clearly indicated on the construction documents.
Plans reference page/section:
mu 23.High-pressure duct systems.Ducts designed to operate at high-pressure are insulated and sealed in accordance with Section 503.2.7.
i In addition,ducts and plenums are leak-tested in accordance with the SMACNA HVAC Air Duct Leakage Test Manual.
Plans reference page/section:
IYitp 24.Piping Insulation.All pipes serving space-conditioning systems(hot water piping for heat systems,chilled water,refrigerant,and brine
piping systems,and steam piping)are insulated as specified by this section.
it6❑ 25.Air system balancing.Each supply air outlet and zone terminal device is equipped with means for air balancing in accordance with the
requirements of IMC 603.17.Discharge dampers intended to modulate airflow are prohibited on constant volume fans and variable
volume fans with motors 10 horsepower.
Plans reference page/section:
itit4o 26.Hydronic system balancing.Individual hydronic heating and cooling coils are equipped with means for balancing and pressure test
connections.
Plans reference page/section:
y A 27.Manuals.The construction documents require that an operating and maintenance manual be provided to the building owner by the
/J� mechanical contractor.See long description for specifications.
Plans reference page/section:
AAD 28.Air System Design and Control.Each HVAC system having a total fan system motor nameplate hp exceeding 5 hp meets the provisions
of Sections 503.2.10.1 through 503.2.10.2.
Plans reference page/section:
04
❑ 29.Allowable fan floor horsepower.Each HVAC system at fan system design conditions does not exceed the allowable fan system motor
nameplate hp(Option 1)or fan system bhp(Option 2)as shown and calulated in requirement details.
Exception(s):
❑ Hospital and laboratory systems that utilize flow control devices on exhaust and/or return to maintain space pressure relationships
necessary for occupant health and safety or environmental control shall be permitted to use variable volume fan power limitation.
❑ Individual exhaust fans with motor nameplate horsepower of 1 hp or less.
Plans reference page/section:
30.Motor nameplate horsepower.For each fan,the selected fan motor is no larger than the first available motor size greater than the brake
horsepower(bhp).
Exception(s):
❑ For fans less than 6 bhp,where the first available motor larger than the brake horsepower has a nameplate rating within 50
percent of the bhp,selection of the next larger nameplate motor size is allowed.
u For fans 6 bhp and larger,where the first available motor larger than the bhp has a nameplate rating within 30 percent of the bhp,
selection of the next larger nameplate motor size is allowed.
Plans reference page/section:
hj A-31.Large Volume Fan Systems.Fan systems over 8,000(7 m3/s)cfm without direct expansion cooling coils that serve single zones reduce
/� airflow based on space thermostat heating and cooling demand.A two-speed motor or variable frequency drive reduces airflow to a
maximum 60 percent of peak airflow or minimum ventilation air requirement as required by Chapter 4 of the International Mechanical
Code,whichever is greater.
Exception(s):
u Systems where the function of the supply air is for purposes other than temperature control,such as maintaining specific humidity
levels or supplying an exhaust system.
Plans reference page/section:
j
# n 32.All air-conditioning equipment and air-handling units with direct expansion cooling and a cooling capacity at ARI conditions greater than
/� or equal to 110,000 Btu/h that serve single zones have their supply fan operation controlled according to code specific requirements.
Exception(s):
❑ Systems where the function of the supply air is for purposes other than temperature control,such as maintaining specific humidity
levels or supplying an exhaust system.
Project Title: Red Rock Report date: 02/20/15
Data filename: Untitled.cck Page 4 of 5
Plans reference page/section:
on 33.Series fan-powered terminal unit fan motors.Fan motors for series fan-powered terminal units are electronically-commutated motors
and have a minimum motor efficiency of 70 percent when rated in accordance with NEMA Standard MG 1-2006 at full load rating
conditions.
Plans reference page/section:
tiA.0 34.Heating outside a building.Systems installed to provide heat outside a building are radiant systems.Such heating systems are
controlled by an occupancy sensing device or a timer switch,so that the system is automatically deenergized when no occupants are
present.
Plans reference page/section:
4010 35.Hot Gas Bypass Limitation.For cooling systems<=240 kBtu/h,maximum hot gas bypass capacity is no more than 50%total cooling
capacity.
Plans reference page/section:
Section 5: Compliance Statement
Compliance Statement: The proposed mechanical design represented in this document is consistent with the building plans,specifications
and other calculations submitted with this permit application.The proposed mechanical systems have been designed to meet the 2014
Oregon Energy Efficiency Specialty Code requirements in COMcheck Version 4.0.0 and to comply with the mandatory requirements in the
Requirements Checklist.
PC.��y/."7—c W /A/f/tec'Id d ';.. 1 / .Z-2
Name-Title Signature Date
Section 6: Post Construction Compliance Statement
HVAC record drawings of the actual installation,system capacities,calibration information,and performance data for each equipment
provided to the owner.
HVAC O&M documents for all mechanical equipment and system provided to the owner by the mechanical contractor.
Written HVAC balancing and operations report provided to the owner.
The above post construction requirements have been completed.
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Principal Mecloranical Designer-Name Signature Date
Project Title: Red Rock Report date: 02/20/15
Data filename: Untitled.cck Page 5 of 5