Report LL
OFFICE COPY 6 (AA) d F yn E
COMcheck Software Version 4.1.5.1 RECEIVED
ii( Mechanical Compliance Certificate 16SEP 2 7 2021
CITY OF TIGAFID
PfEG2O2i- 007 / BUILDING DIVISION
Project Information f/50 ,cj� ar'
Energy Code: 90.1 (2016)Standard o
Project Title: Array Apartments
Location: Portland, Oregon
Climate Zone: 4c
Project Type: New Construction
Construction Site: Owner/Agent: Designer/Contractor:
11508 SW Bull Mountain Rd- Mark Denyer
Building E MFIA
Tigard, OR 97224 2007 SE Ash St
Portland, OR 97214
503-234-0548
mark.denyer@mfia-eng.com
Mechanical Systems List
Quantity System Type&Description
1 HVAC System 1 (Single Zone):
Split System Heat Pump
Heating Mode:Capacity=19 kBtu/h,
Proposed Efficiency= 10.15 HSPF, Required Efficiency=8.20 HSPF
Cooling Mode:Capacity=18 kBtu/h,
Proposed Efficiency=20.50 SEER, Required Efficiency: 14.00 SEER
Fan System: FAN SYSTEM 1 I lobby--Compliance(Motor nameplate HP method):Passes
Fans:
FAN 1 Supply,Constant Volume,600 CFM,0.1 motor nameplate hp,85.0 fan efficiency grade
Mechanical 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 90.1 (2016)Standard requirements in COMcheck Version 4.1.5.1 and to comply with any applicable
mandatory requirements listed in the Inspection Checklist.
Mark Denyer _
9-21-21
Name-Title Signature Date
Project Title: Array Apartments Report date: 09/21/21
Data filename: G:\Jacobs Heating &Air Conditioning\10273_Array Apartments\Energy Forms\Array Mech Page 1 of 10
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IPA COMcheck Software Version 4.1.5.1
1
Inspection Checklist
Energy Code: 90.1 (2016) Standard
Requirements: 93.0% were addressed directly in the COMcheck software
Text in the "Comments/Assumptions" column is provided by the user in the COMcheck Requirements screen. For each
requirement, the user certifies that a code requirement will be met and how that is documented, or that an exception
is being claimed. Where compliance is itemized in a separate table, a reference to that table is provided.
Section i
# I Plan Review Complies? Comments/Assumptions
& Req.ID
4.2.2, Plans, specifications, and/or ❑Complies Requirement will be met.
6.4.4.2.1, calculations provide all information ❑Does Not
6.7.2 with which compliance can be
[PR2]1 determined for the mechanical ❑Not Observable
systems and equipment and ❑Not Applicable
document where exceptions to the
standard are claimed. Load
calculations per acceptable
engineering standards and
handbooks.
4.2.2, Plans, specifications, and/or ❑Complies
8.4.1.1, calculations provide all information ❑Does Not
8.4.1.2, with which compliance can be
8.7 determined for the electrical systems ❑Not Observable
[PR6J2 and equipment and document where ❑Not Applicable
exceptions are claimed. Feeder
connectors sized in accordance with
approved plans and branch circuits
sized for maximum drop of 3%.
6.7.2.4 Detailed instructions for HVAC ❑Complies Exception: Requirement does not apply.
[PR5]1 systems commissioning included on ❑Does Not
the plans or specifications for projects ❑Not Observable
>=50,000 ft2. 1
❑Not Applicable
Additional Comments/Assumptions:
1 High Impact(Tier 1) 2 Medium Impact(Tier 2) 3 Low Impact(Tier 3)
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Section
Footing/Foundation Inspection Complies? Comments/Assumptions
& Re .ID
6.4.3.7 Freeze protection and snow/ice ❑Complies Exception: Requirement does not apply.
[FO9]3 melting system sensors for future ❑Does Not
connection to controls.
['Not Observable
❑Not Applicable
Additional Comments/Assumptions:
1 High Impact(Tier 1) 2 Medium Impact(Tier 2) 3 Low Impact(Tier 3)
Project Title: Array Apartments Report date: 09/21/21
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Section Mechanical Rough-In Plans Verified Field Verified
# Complies? Comments/Assumptions
& Re .ID Inspection Value Value
6.4.1.4, HVAC equipment efficiency Efficiency: Efficiency: ❑Complies See the Mechanical Systems list
6.4.1.5 verified. Non-NAECA HVAC ❑Does Not for values.
[MU]2 equipment labeled as meeting
90.1. ❑Not Observable
❑Not Applicable
6.4.3.4.1 Stair and elevator shaft vents ❑Complies Exception: Requirement
[ME3J3 have motorized dampers that ❑Does Not does not apply.
automatically close.
❑Not Observable
❑Not Applicable
6.4.3.4.2, Outdoor air and exhaust systems ❑Complies Exception: Gravity dampers
6.4.3.4.3 have motorized dampers that ❑Does Not acceptable in buildings 3
[ME4]3 automatically shut when not in stories.
use and meet maximum leakage Not Observable
rates. Check gravity dampers ❑Not Applicable
where allowed.
6.4.3.4.5 Enclosed parking garage ❑Complies Exception: Requirement
[ME39]3 ventilation has automatic ❑Does Not does not apply.
contaminant detection and
capacity to stage or modulate [Not Observable
fans to 50%or less of design ❑Not Applicable
capacity.
6.4.3.4.4 Ventilation fans >0.75 hp have ❑Complies Requirement will be met.
[ME5]3 automatic controls to shut off fan ❑Does Not
when not required.
❑Not Observable
❑Not Applicable
6.4.3.8 Demand control ventilation ❑Complies Requirement will be met.
[ME6]1 provided for spaces >500 ft2 and ❑Does Not
>25 people/1000 ft2 occupant
density and served by systems El Not Observable
with air side economizer, auto ❑Not Applicable
modulating outside air damper
control, or design airflow>3,000
cfm.
6.5.3.2.1 DX cooling systems >= 75 kBtu/h ❑Complies Requirement will be met.
[ME40]2 (>= 65 kBtu/h effective 1/2016) ❑Does Not
and chilled-water and See the Mechanical Systems list
evaporative cooling fan motor hp ❑Not Observable for values.
>= 1/4 designed to vary supply ❑Not Applicable
fan airflow as a function of load
and comply with operational
requirements.
6.4.4.1.1 Insulation exposed to weather ❑Complies Requirement will be met.
[ME7J3 protected from damage. ❑Does Not
Insulation outside of the
conditioned space and associated ❑Not Observable
with cooling systems is vapor ❑Not Applicable
retardant.
6.4.4.1.2 HVAC ducts and plenums R- R- DComplies Requirement will be met.
[ME812 insulated per Table 6.8.2. Where ❑Does Not
ducts or plenums are installed in
or under a slab,verification may DNot Observable
need to occur during Foundation ❑Not Applicable
Inspection.
6.4.4.1.3 HVAC piping insulation thickness. in. in. ❑Complies Exception: Requirement
[ME9J2 Where piping is installed in or DDoes Not does not apply.
under a slab,verification may
need to occur during Foundation ❑Not Observable
Inspection. ❑Not Applicable
1 High Impact(Tier 1) [ 2 TMedium Impact(Tier 2) 3 Low Impact(Tier 3)
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Section Tcomrnentsi*ssu,nptions
&Req.ID Inspection Value Value
6.4.4.1.4 Thermally ineffective panel ❑Complies Exception: Requirement
[ME41]3 surfaces of sensible heating ❑Does Not does not apply.
panels have insulation >= R-3.5.
❑Not Observable
❑Not Applicable
6.4.4.2.1 Ducts and plenums having ❑Complies Requirement will be met.
[ME10]2 pressure class ratings are Seal ❑Does Not
Class A construction.
[Mot Observable
❑Not Applicable
6.4.4.2.2 Ductwork operating>3 in. water ❑Complies Requirement will be met.
[ME11]3 column requires air leakage ❑Does Not
testing. Location on plans/spec:
[Mot Observable Plans
ENot Applicable
6.5.2.3 Dehumidification controls ❑Complies Requirement will be met.
[ME19]3 provided to prevent reheating, ❑Does Not
recooling, mixing of hot and cold
airstreams or concurrent heating :Mot Observable
and cooling of the same ❑Not Applicable
airstream.
6.5.2.4.1 Humidifiers with airstream ❑Complies Exception: Requirement
[ME68]3 mounted preheating jackets have ❑Does Not does not apply.
preheat auto-shutoff value set to
activate when humidification is Not Observable
not required. ❑Not Applicable
6.5.2.4.2 Humidification system dispersion ❑Complies Exception: Requirement
[ME69]3 tube hot surfaces in the ❑Does Not does not apply.
airstreams of ducts or air-
handling units insulated >= R ❑Not Observable
0.5. ❑Not Applicable
6.5.2.5 Preheat coils controlled to stop ❑Complies Requirement will be met.
[ME70]3 heat output whenever ❑Does Not
mechanical cooling, including
economizer operation, is active. ❑Not Observable
❑Not Applicable
6.5.2.6 Units that provide ventilation air ❑Complies Exception: Requirement
[ME106]3 to multiple zones and operate in ❑Does Not does not apply.
conjunction with zone heating
and cooling systems are ❑Not Observable
prevented from using heating or ❑Not Applicable
heat recovery to warm supply air
above 60°F when representative
building loads or outdoor air
temperature indicate that most
zones demand cooling.
6.5.3.6 Motors for fans>= 1/12 hp and ❑Complies Requirement will be met.
[ME72]2 < 1 hp are electronically- ❑Does Not
commutated motors or have a
minimum motor efficiency of Not Observable
70%.These motors are also ❑Not Applicable
speed adjustable for either
balancing or remote control.
1 High Impact(Tier 1) 2 Medium Impact(Tier 2) 3 Low Impact(Tier 3)
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Section Mechanical Rough-In Plans Verified Field Verified
Complies? Comments/Assumptions
& Re .ID Inspection Value Value
6.5.3.4 Parallel-flow fan-powered VAV air ❑Complies Exception: Requirement
[ME108)2 terminals have automatic ❑Does Not does not apply.
controls to a)turn off the
terminal fan except when space DNot Observable
heating is required or if required ❑Not Applicable
for ventilation; b)turn on the
terminal fan as the first stage of
heating before the heating coil is
activated; and c) during heating
for warmup or setback
temperature control, either
operate the terminal fan and
heating coil without primary air
or reverse the terminal damper
logic and provide heating from
the central air handler through
primary air.
6.5.3.7 Required minimum outdoor air e ^�❑Complies Requirement will be met.
[ME109]2 rate is the larger of minimum ❑Does Not
outdoor air rate or minimum
exhaust air rate required by ❑Not Observable
Standard 62.1, Standard 170, or ❑Not Applicable
applicable codes or accreditation
standards. Outdoor air ventilation
systems shall comply with one of
the following: a) design minimum
system outdoor air provided <
135%of the required minimum
outdoor air rate, b)dampers,
ductwork, and controls allow the
system to supply<= the
required minimum outdoor air
rate with a single set-point
adjustment., or c)system
includes exhaust air energy
recovery complying with Section
6.5.6.1.
6.5.3.3 Multiple zone VAV systems with Exception: Requirement
[ME42]3 DDC of individual zone boxes ❑Does Not does not apply.
have static pressure setpoint
reset controls. ❑Not Observable See the Mechanical Systems list
❑Not Applicable for values.
6.5.4.2 HVAC pumping systems with >= ❑Complies Exception: Requirement
[ME25]3 3 control values designed for ❑Does Not does not apply.
variable fluid flow(see section
details). ❑Not Observable
❑Not Applicable
6.5.6.1 Exhaust air energy recovery on .Complies Exception: Requirement
[ME56]1 systems meeting Tables 6.5.6.1- ❑Does Not does not apply.
1, and 6.5.6.1-2.
❑Not Observable
❑Not Applicable
6.5.7.1 Conditioned supply air to space ❑Complies Exception: Requirement
(ME100)2 with mechanical exhaust<= the ❑Does Not does not apply.
greater of criteria of supply flow,
required ventilation rate, exhaust ❑Not Observable
flow minu the available transffer CI Not Applicable
air(see section details).
6.5.7.2.1 Kitchen hoods>5,000 cfm have ❑Complies Exception: Requirement
[ME32)2 make up air>=50%of exhaust ❑Does Not does not apply.
air volume.
❑Not Observable
❑Not Applicable
1 High Impact(Tier 1) ' 2 'Medium Impact(Tier 2) 3 Low Impact(Tier 3)
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Section
Mechanical Rough-In I Plans Verified I Field Verified Complies? Comments/Assumptions
&Re .ID Inspection i Value Value
6.5.7.2.4 Approved field test used to ❑Complies Exception: Requirement
[ME49]3 evaluate design air flow rates ❑Does Not does not apply.
and demonstrate proper capture
and containment of kitchen ❑Not Observable
exhaust systems. ❑Not Applicable
6.5.8.1 Unenclosed spaces that are ❑Complies Exception: Requirement
[ME34]2 heated use only radiant heat. ❑Does Not does not apply.
❑Not Observable
❑Not Applicable
6.4.3.9 Heating for vestibules and air ❑Complies Exception: Requirement
[ME63J2 curtains with integral heating ❑Does Not does not apply.
include automatic controls that
shut off the heating system when ❑Not Observable
outdoor air temperatures >45F. ❑Not Applicable
Vestibule heating and cooling
systems controlled by a
thermostat in the vestibule with
heating setpoint<= 60F and
cooling setpoint>= 80F.
6.5.10 Doors separating conditioned �wv ❑Complies Requirement will be met.
[ME73]3 space from the outdoors have ['Does Not
controls that disable/reset
heating and cooling system when ❑Not Observable
open. ❑Not Applicable
Additional Comments/Assumptions:
1 High Impact(Tier 1) 2 Medium Impact(Tier 2) 3 Low Impact(Tier 3)
Project Title: Array Apartments Report date: 09/21/21
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Section
# Rough-In Electrical Inspection Complies? Comments/Assumptions
& Req.ID
8.4.2 At least 50%of all 125 volt 15- and ❑Complies
[EL10]2 20-Amp receptacles are controlled by ❑Does Not
an automatic control device.
❑Not Observable
❑Not Applicable
8.4.3 New buildings have electrical energy ❑Complies
[EL11]2 use measurement devices installed. ❑Does Not
Where tenant spaces exist, each
tenant is monitored separately. In ❑Not Observable
buildings with a digital control system ❑Not Applicable
the energy use is transmitted to to
control system and displayed
graphically.
10.4.1 Electric motors meet requirements ❑Complies Requirement will be met.
[EL9]2 where applicable. ❑Does Not
❑Not Observable
❑Not Applicable
Additional Comments/Assumptions:
1 High Impact(Tier 1) 2 Medium Impact(Tier 2) 3 Low Impact(Tier 3)
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Section
# Final Inspection Complies?Ii MM Comments/Assumptions
& Req.ID
6.4.3.1.2 Thermostatic controls have a 5 °F ❑Complies Requirement will be met.
[F13]3 deadband. ❑Does Not
❑Not Observable
❑Not Applicable
6.4,3.2 Temperature controls have setpoint ❑Complies Requirement will be met.
[FI20]3 overlap restrictions. ❑Does Not
❑Not Observable
❑Not Applicable
6.4.3.3.1 HVAC systems equipped with at least ❑Complies Exception: Systems with capacity 15,000 Btu/h and with
[F121]3 one automatic shutdown control. ['Does Not manual controls.
❑Not Observable
❑Not Applicable
6.4.3.3.2 Setback controls allow automatic ❑Complies Exception: Systems with capacity 15,000 Btu/h and with
[F122]3 restart and temporary operation as ❑Does Not manual controls.
required for maintenance.
❑Not Observable
❑Not Applicable
6.4.3.5 Heat pump controls prevent ❑Complies Requirement will be met.
[F15]3 supplemental electric resistance heat ❑Does Not
from coming on when not needed.
❑Not Observable'
❑Not Applicable
6.4.3.6 When humidification and ❑Complies Requirement will be met.
[FI6]3 dehumidification are provided to a ❑Does Not
zone, simultaneous operation is
prohibited. Humidity control prohibits Not Observable
the use of fossil fuel or electricity to ❑Not Applicable
produce RH > 30%in the warmest
zone humidified and RH < 60%in the
coldest zone dehumidified.
6.7.2.1 Furnished HVAC as-built drawings ❑Complies Requirement will be met.
[F17]3 submitted within 90 days of system ❑Does Not
acceptance. ,ONot Observable
❑Not Applicable
6.7.2.2 Furnished O&M manuals for HVAC ❑Complies Requirement will be met.
(FI8]3 systems within 90 days of system ❑Does Not
acceptance. ❑Not Observable
❑Not Applicable
6.7.2.3 An air and/or hydronic system ❑Complies Exception: Requirement does not apply.
[FI9]1 balancing report is provided for HVAC ❑Does Not
systems serving zones >5,000 ft2 of ❑Not Observable
conditioned area.
❑Not Applicable
6.7.2.4 HVAC control systems have been DComplies Requirement will be met.
[Fi10]' tested to ensure proper operation, ❑Does Not
calibration and adjustment of controls. Observable
❑Not Applicable
10.4.3 Elevators are designed with the '❑Complies Exception: Requirement does not apply.
[F124)2 proper lighting, ventilation power, and ❑Does Not
standby mode.
['Not Observable
❑Not Applicable
Additional Comments/Assumptions:
F 1JHigh Impact(Tier 1) 2 Medium Impact(Tier 2) 3 1Low Impact(Tier 3)
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Project Title: Array Apartments Report date: 09/21/21
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