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COMcheck Software Version 3.8.0
Mechanical Compliance Certificate
Oregon Energy Efficiency Specialty Code
Section 1: Project Information
Project Type: Addition
Project Title : One Embassy 2nd floor
Construction Site: Owner/Agent: Designer/Contractor:
9020 SW Washington Square Rd
Suite 220
Tigard,OR
Section 2: General Information
Building Location(for weather data): Tigard,Oregon
Climate Zone: 4c
Section 3: Mechanical Systems List
Quantity System Type&Descrl tion
1 HVAC System 1:Cooling:Cooling equipment(Split System),Capacity 60 kBtu/h,Efficiency: 13.00 SEER,
Air-Cooled Condenser/Single Zone
Section 4: Requirements Checklist
In the following requirements,the relevant code section reference is shown in[].'+'denotes that more details exist in the specified code
section.
Requirements Specific To: HVAC System 1 :
otk(1. [503.2.3+]Equipment meets minimum efficiency: Split System: 13.0 SEER
[503.3.1 +]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.
LJ Exception: Cooling equipment less than 54,000 Btu/hr total cooling capacity.The total capacity of all such units without
economizers shall not exceed 240,000 Btu/hr per building area served by one utility meter or service,or 10 percent of its total
installed cooling capacity,whichever is greater.That portion of the equipment serving dwelling units and guest rooms is not
included in determining the total capacity of units without economizers.
Location in plans/specs where compliance can be identified(enter NA if not applicable):
Generic Requirements: Must be met by all systems to which the requirement is applicable:
1. [503.2.1 +]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.
r. [503.2.2+]Equipment and system sizing.Heating and cooling equipment and systems capacity do not exceed the loads calculated in
accordance with Section 503.2.1.
LJ Exception: 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.
LJ Exception: 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.
Location in plans/specs where compliance can be identified(enter NA it not applicable)
?}-3. [503.2.3+]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.
Project Title: One Embassy 2nd floor Report date: 03/11/13
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x-4. [503.2.4.1 +]Thermostatic Controls.The supply of heating and cooling energy to each zone is controlled by individual thermostatic
controls that respond to temperature within the zone.
Location in plans/specs where compliance can be identified(enter NA if not applicable).
j 5. [503.2.4.1.1]Heat pump supplementary heat.Heat pumps having supplementary electric resistance heat have controls that,except
4 during defrost,prevent supplementary heat operation when the heat pump can meet the heating load.
Location in plans/specs where compliance can be identified(enter NA if not applicable).
Ar6. [503.2.4.2]Set point overlap restriction.Where used to control both heating and cooling,zone thermostatic controls provide a
/� temperature range 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:Thermostats requiring manual change over between heating and cooling modes.
Location in plans/specs where compliance can be identified(enter NA if not applicable(.
7. [503.2.4.3]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.
Location in plans/specs where compliance can be identified(enter NA if not applicable):
Aiptu 8. [503.2.4.4+]Off-hour controls.Each zone is provided with thermostatic setback controls that are controlled by either an automatic time
clock or programmable control system.
LI Exception:Zones that will be operated continuously.
LI Exception:Zones with a full HVAC load demand not exceeding 6,800 Btu/h(2 kW)and having a readily accessible manual shutoff
switch.
Location in plans/specs where compliance can be identified(enter NA if not applicable)
0¢-U 9. [503.2.4.5+]Shutoff damper controls. Both outdoor air supply and exhaust are equipped with not less than Class I motorized dampers.
[] Exception:Gravity dampers shall be permitted for outside air intake or exhaust airflows of 300 cfm or less.
Location in plans/specs where compliance can be identified(enter NA if not applicable):
Ui4'U 10. [503.2.4.6+]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.
Location in plans/specs where compliance can be identified(enter NA if not applicable(.
• 11. [503.2.4.8]Separate air distribution systems.Zones with special process temperature requirements and/or humidity requirements are
served by 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: [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.
Location in plans/specs where compliance can be identified(enter NA if not applicable):
A/4 j 12. [503.2.4.9.1]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.
U Exception: Hospitals,process needs,archives,museums,critical equipment,and other non-comfort situations with specific humidity
requirements outside this range.
Location in plans/specs where compliance can be identified(enter NA if not applicable)
ti,1g-i__) 13. [503.2.4.9.2]Humidity control.Where a humidity control device exists it is set to maintain a deadband of at least 10%relative humidity
where no active humidification or dehumidification takes place.
• Exception: 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.
Location in plans/specs where compliance can be identified(enter NA if not applicable(:
4-14. [503.2.5]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 International Mechanical Code.
Location in plans/specs where compliance can be identified(enter NA if not applicable).
/ LI 15. [503.2.5.1 +]Demand controlled ventilation(DCV). DCV is required for spaces larger than 500 ft2 for simple systems and spaces larger
than 150 ft2 for multiple zone systems.
Li Exception:Systems with energy recovery complying with Section 503.2.6
Project Title: One Embassy 2nd floor Report date: 03/11/13
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U Exception: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.
Location in plans/specs where compliance can be identified(enter NA if not applicable).
❑ 16. [503.2.5.2+]Kitchen hoods. Kitchen makeup is provided as required by the Oregon Mechanical Specialty Code.
❑ Exception: Where hoods are used to exhaust ventilation air that would otherwise be exhausted by other fan systems.
❑ Exception: Kitchen exhaust systems that include exhaust air energy recovery complying with section 503.2.6.
Location in plans/specs where compliance can be identified(enter NA if not applicable):
vF-U 17. [503.2.5.3+1 Enclosed parking garage ventilation controls. In Group S-2,enclosed parking garages used for storing or handling
automobiles employs automatic carbon monoxide sensing devices.
Location in plans/specs where compliance can be identified(enter NA if not applicable):
N r►-U 18. [503.2.6+]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:Where energy recovery systems are prohibited by the International Mechanical Code.
❑ Exception:Systems serving spaces that are not cooled and are heated to less than 60°F.
❑ Exception:Where more than 60 percent of the outdoor heating energy is provided from site-recovered or site solar energy.
❑ Exception:Type 1 kitchen exhaust hoods.
Li Exception:Cooling systems in climates with a 1-percent cooling design wet-bulb temperature less than 64°F(18°C).
❑ Exception: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.
❑ Exception:Systems exhausting toxic,flammable,paint exhaust,corrosive fumes,or dust.
❑ Exception:Laboratory fume hood systems that include qualifying features.
Location in plans/specs where compliance can be identified(enter NA if not applicable).
19. [503,2.7+]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:When located within equipment.
❑ Exception:When the design temperature difference between the interior and exterior of the duct or plenum does not exceed 15°F
(8°C).
y{20. [503.2.7.1.1 +]Low-pressure duct systems.All longitudinal and transverse joints,seams and connections of low-pressure supply and
f�' 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.
U Exception:Continuously welded and locking-type longitudinal joints and seams on ducts operating at static pressures less than 2
inches w.g.pressure classification.
Location in plans/specs where compliance can be identified(enter NA if not applicable):
j 21. [503.2.7.1.2+]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.
Location in plans/specs where compliance can be identified(enter NA if not applicable).
t /,,4. ❑ 22- [503.2.7.1.3+]High-pressure duct systems. Ducts designed to operate at high-pressure are insulated and sealed in accordance with
iO� Section 503.2.7. In addition,ducts and plenums are leak-tested in accordance with the SMACNA HVAC Air Duct Leakage Test Manual.
Location in plans/specs where compliance can be identified(enter NA if not applicable):
/ 23. [503.2.9.3+]Manuals.The construction documents require that an operating and maintenance manual be provided to the building
owner by the mechanical contractor.See long description for specifications.
Location in plans/specs where compliance can be identified(enter NA if not applicable):
^
u 24. [503.2.10+]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.
Location in plans/specs where compliance can be identified(enter NA it not applicable):
/Uh•❑ 25. [503.2.10.1 +]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.
Project Title: One Embassy 2nd floor Report date: 03/11/13
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L] Exception: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.
• J Exception: Individual exhaust fans with motor nameplate horsepower of 1 hp or less.
1 Location in plans/specs where compliance can be identified(enter NA if not applicable):
J 26. [503.2.10.2+]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).
L] Exception: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.
Exception: 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.
Location in plans/specs where compliance can be identified(enter NA if not applicable).
N�U 27. [503.2.10.3.1]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.
Li Exception: 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.
Location in plans/specs where compliance can be identified(enter NA if not applicable).
N+,ti,.U 28. [503.2.10.3.2+]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.
Li Exception: 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.
Location in plans/specs where compliance can be identified(enter NA if not applicable).
AA.] 29. [503.2.10.4]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.
Location in plans/specs where compliance can be identified(enter NA if not applicable):
Niu 30. [503.2.12]Hot Gas Bypass Limitation.For cooling systems<=240 kBtu/h,maximum hot gas bypass capacity is no more than 50%
total cooling capacity.
Location in plans/specs where compliance can be identified(enter NA if not applicable).
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 Oregon
Energy Efficiency Specialty Code requirements in COMcheck Version 3.8.0 and to comply with the mandatory requirements in the
Requirements Checklist.
Name-Title Signature Date
Project Title: One Embassy 2nd floor Report date: 03/11/13
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