REVIEWED BLD2021-0173+Energy_Calculations+1.29.2021_11.14.34_AM+2020613RECEIVED BLD2021-0173
Jan 29 2021201 5 Washington State Energy Lode Compliance Forms for Commercial, R2 and R3 over 3 stories and all R1
CITY OF EDMONDS
DEVELOPMENTS RVICES
Mechanical Summary MECH-SUMI
2015 Washington State Energy Code Com fiance Forms for Commercial Buildings including R2 & R3 over 3 stories and all R1 Revised January 2017
Project Information
Project Title: GRE EDMONDS 99
Date 12/1/2020
Applicantlnformation. Provide contact information for individual who can respond to
For Building Dept. Use
inquiries about compliance form information provided.
Company Name: Emerald Aire Inc.
Company Address: 5108 D st. NW, Auburn, Washington 98001
Applicant Name: Kyle Bambauer
Applicant Phone: (253) 329-6740
Project Description
0 New Building ❑ Building Addition ❑ Tenant Improvement ❑ System Retrofit ❑ No System Changes
Briefly describe mechanical systems in
the text box provided
❑ Total Bldg Performance (TBP)
REVIEWED
This path includes all mandatory
BY
provisions per C401.2 Option 2.
CITY OF EDMONDS
MECH-SUM, MECH-CHK, and C407
Energy Analysis forms required.
0 Load calculation summary ❑ MECH-LOAD-CALC Form
Design Load Calculations
Provide design load calculations for all mechanical systems and equipment serving the building heating, cooling or
ventilating needs. If a load calculation summary is provided with the permit documents that includes all applicable
compliance information then the MECH-LOAD-CALC form is not required.
0 Mechanical Plans ❑ MECH-EQ Forms (TBD)
Mechanical Schedules
Indicate location of equipment compliance information. If provided on plans then MECH-EQ forms are not required,
however, include on plans all applicable compliance information listed in MECH-EQ tables.
0 DOAS is required per C403.6 effective July 1, 2017 (office, retail, education, library and fire station occupancies)
All occupied, conditioned areas shall be served by a DOAS that delivers required ventilation air in a manner that does
not require space conditioning fan operation. Space conditioning fans cycled off when no heating or cooling is required.
Dedicated Outdoor Air
0 Ventilation provided via natural ventilation per 2015 IMC in lieu of DOAS (C403.6, Exception 1)
System Requirements and
❑ Ventilation and space conditioning provided by a HEVAV system per C403.7 in lieu of DOAS (C403.6, Exception
High Efficiency VAV
❑ DOAS included in project, although not required (occupancy not office, retail, education, library or fire station)
Alternate
0
DOAS related allowances included in project:
❑ Prescriptive vertical fenestration maximum area allowance increased to 40% per C402.4.1.4 with 100% of
conditioned floor area in building served by DOAS.
0 Exception to air economizer per C403.3 Exception 1, include MECH-ECONO form.
0 Project includes HVAC air distribution systems that provide heating and/or cooling
If yes, provide a MECH-FANSYS -SUM form.
Fan Power
❑ For one or more systems, the total fan motor nameplate hp of all fans in HVAC system exceeds Shp.
If yes, provide a seperate MECH-FANSYS form for each HVAC system exceeding the 5 horsepower threshold.
Refer to Section C403.2.11 and MECH-FANSYS-DOC for requirements and exceptions.
ElHydronic chilled water ElWater-loopheat pump 0 No hydronic systems
HVAC Hydronic Systems
❑ Hydronic heating water ❑ Geothermal
❑ C406.2 More efficient HVAC equipment and fan systems
Requires 90% of heating and cooling capacity to be equipment listed in tables C403.2.3(1)-(9) or air -to -water heat
pumps and heat recovery chillers. All equipment listed in tables C403.2.3(1)-(7) must be 15% more efficient than
C406 Additional
minimum requirements. All stand alone supply, return, and exhaust fans over 1hp must have FEQ >_ 71 and must be
selected within 10% of maximum total or static pressure.
Efficiency Options -
❑ C406.6 Dedicated outdoor air system (DOAS)
Mechanical
Requires 90% of conditioned floor area to be served by a DOAS per C403.6 that delivers required ventilation air in a
manner that does not require space conditioning fan operation.
❑ C406.7 Reduced energy in service water heating
Requires 90% of floor area be in occupancy types listed in C406.7.1 and that 60% of annual hot water energy use be
provided by heat pump, waste heat recovery or solar water -heating systems.
2015 Washington State Energy Code Compliance Forms for Commercial, R2 and R3 over 3 stories and all R1
Mechanical Summary, • •
2015 Washington State Energy Code Compliance Forms for Commercial Buildings including R2 & R3 over 3 stories and all R1 Revised January 2017
Equipment Type (s)
❑ Hot water heating tank(s) ❑ Instantaneous 0 No service water systems
Service Water Heating
Systems
El Dedicated boiler ❑ Heat exchange from space heat boiler or
central hot water/steam
Distribution Type (s)
❑ Circulation System ❑ On -demand
Commissioning
Commissioning is required for:
0 Mechanical systems per C408.2 ❑ Service water heating systems per C408.4
If required, commissioning shall be performed for all applicable systems regardless of individual equipment capacity.
Exceptions to commissioning requirements:
❑ Total output capacity of all mechanical space conditioning systems in the building do not exceed 240,000 Btu/h
cooling or 300,000 Btu/h heating. Mechanical systems commissioning not required.
❑ Capacity of largest service water heating system in building does not exceed 200,000 Btu/h. Service water heating
systems commissioning not required.
Low Energy and Semi -Heated
Spaces (Note 6 and 7)
Peak Space
Heating
Cooling
Conditioning
Space
Area Served,
Capacity, Btu/h
Capacity, Btu/h
Capacity,
Compliance
Type
Location in Plan(s)
Space(s) Served
square feet
(Note 4)
(Note 5)
Btu/h-sf
Check
Notes
Note 4 - Provide total installed heating output capacity of systems serving Low Energy or Semi -Heated space(s) in btuh.
Note 5 - Provide total installed cooling capacity of system serving Low Energy space(s) in Btu/h. Not allowed for semi -heated spaces. Enter 0 if no cooling.
Note 6 - Refer to Section C402.1.1 Low Energy Building. Intalled peak space conditioning capacity, heating or cooling, may not exceed 3.4 Btu/h'sf.
Note 7 - Refer to Section C402.1.1.1 and Semi -Heated Space definition in Chapter 2. Total heating output capacity may not exceed 8 Btu/h'sf. Only systems without
electric resistance heating and no cooling are eligible for the wall insulation exception under semi -heated.
2015 Washington State Energy Code Compliance Forms for Commercial, R2 and R3 over 3 stories and all R1 - Page 5 of 20
2015 Washinaton State Enerav Code Compliance Forms for Commercial Buildinas includina R2 & R3 over 3 stories and all R1 Revised January 2017
Project Title: GREEDMONDS99 Date 12/1/2020
The following information is necessary to check a permit application for compliance with the mechanical systems and equipment requirements of the
Washington State Energy Code, Commercial Provisions.
Applicable
Code Section
Code Provision
Information Required - Must be in permit documents
Location in
Building Department
es no na
Documents
Notes
Equipment - Sizing, Performance and Type
Identify equipment to be used in manufacturing, industrial or commercial processes that do not
M0.04
Yes
C403.1
Exempt process equipment
provide space conditioning; identify provisions applicable to this equipment per C403.1
exception
Provide load calculations performed per ASHRAE Std 183 or equivalent, using design
M0.01-
Yes
C403.2.1
Load calculations
parameters per C302 and Appendix C; include load adjustments to account for energy
M0.03
recovery
Equipment and system
Indicate that output capacities of heating and cooling equipment and systems are no greater
M0.04
Yes
C403.2.2
than the smallest available equipment size that exceeds the calculated loads; note exceptions
sizing
taken
Provide equipment schedules on plans or complete MECH-EQ forms indicating type, capacity,
M0.04
C403.2.3
HVAC equipment
rated and WSEC minimum efficiencies for all heating and cooling equipment; include supply
Yes
C40 3.2
performance requirements
and OSA cfms and operating hours for all air systems; identify heating and cooling equipment
C403.2.
2.13.1
(efficiency)
that does not have a corresponding WSEC minimum efficiency (manufacturer rated)
List all motors z 1/12 hp (that are not integral to a rated piece of equipment) in the mechanical
M0.04
C405.8
or electrical equipment schedules on plans; indicate hp, rpm, number of poles and rated
Yes
C403.2.14
Electric motor efficiency
efficiency, or exception applied
For fractional hp motors (1/12 - 1 hp), indicate whether they are an electronically commutated
motor, have rated efficiency of at least 70% or exception taken
For all HVAC fan systems that provide heating and / or cooling, provide system total
nameplate hp in MECH-FANSYS-SUM form
For all applicable HVAC systems with total fan motor hp > 5hp, verify fan system motor hp or
Yes
C403.2.11.1
Fan power limitation
bhp complies with fan power limits per equations in Table C403.2.11.1(1), provide MECH-
FANSYS form for each system
Yes
C403.2.11.2
Motor nameplate hp
For all applicable HVAC systems with total fan motor hp > 5hp, indicate fan motors specified
are the smallest available motor hp size greater than fan bhp, note exceptions taken
For all applicable HVAC systems with total fan motor hp > 5hp, identify in equipment schedule
Yes
C403.2.11.3
Fan efficiency
all fans required to comply with fan efficiency grade and indicate rated FEG is >_ 67, or
exception taken; indicate these fans are sized so total efficiency is within 15 /o of the fan
maximum total efficiency
Yes
C403.2.11.4
Group R occupancy exhaust
For all exhaust fans < 400 cfm in Group R occupancies, indicate in equipment schedule the
Mo.1
fan efficacy
fan flow rate and efficacy cfm/wattor exception taken; refer to Table C403.2.11.4 CE-57
For fan motors z 7.5 hp, indicate method of variable flow control (VSD or equivalent method) in
NA
C403.2.13
Variable flow capacity -
equipment schedule, or exception taken; for equivalent method for an HVAC system refer to
fans
HVAC S stem Controls for additional requirements
Maximum air cooled chiller
For chilled water plants and buildings with > 500 tons of cooling capacity, indicate air-cooled
NA
C403.2.3
chiller capacity is s 100 tons, or exception taken
_capacity
Large capacity cooling
For buildings with z 300 tons of cooling capacity, indicate method of multi -stage or variable
NA
C403.4
o
capacity control (VSD, multiple staged compressors, or max capacity of any single unit < 66 /o
systems
of the total
Non-standard water-cooled
For water-cooled centrifugal chillers not designed for operation at standard conditions, provide
NA
C403.2.3.1
centrifugal chillers
calculations documenting maximum full load and part load rated equipment performance
requirements
C403.2.13.1
Centrifugal fan open -circuit
For open -circuit centrifugal fan cooling towers with z 1,100 gpm capacity, indicate cooling
NA
C403.4.3.2
cooling towers
towers comply with efficiency requirements for axial fan open circuit cooling towers
For single boilers with > 500,000 Btu/h capacity, indicate multi -stage or modulating burner
NA
C403.4.2
Large capacity boiler
For boiler system (single or multiple) with > 1,000,000 Btu/h capacity, indicate turndown ratio
C403.4.2.5
systems
per Table C403.4.2.5 and method (multiple single input boilers, modulating boilers, or
combination
Variable flow capacity -
For pump motors >_ 7.5 hp, indicate method of variable flow control (VSD or equivalent method)
C403.2.13
in equipment schedule, or exception taken; for equivalent method for a hydronic system refer
pumps
to H dronic System Controls for additional requirements
NA
C403.2.3
Gas and oil -fired forced air
For forced air furnaces with capacity >_ 225,000 Btu/h and all unit heaters, indicate in
furnace and unit heaters
equipment schedule intermittent ignition or IID flue or draft damper, and rated 'acket loss
NA
C403.2.4.8
Combustion heating
For combustion heating equipment with output capacity > 225,000 Btu/h, indicate modulating
equipment
or staged combustion control
Yes
C403.2.3.3
Packaged electric heating /
Verify all packaged electric equipment with > 6,000 Btu/h cooling capacity and any amount of
M0.04
cooling equipment
heating is a heat um • include in equipment schedules
NA
C403.2.12
Heating outside a building
Indicate systems providing heating in non -enclosed outdoor occupied spaces are radiant
systems; refer to HVAC System Controls for additional requirements
Yes
C403.2.7.1
Kitchen exhaust hoods
Indicate on plans the type, duty and exhaust air rate of each kitchen hood, refer to HVAC
M0.04
S stem Controls for additional requirements
Outdoor supply air, exhaust
Indicate locations of OSA intake, and exhaust and relief outlet dampers on plans; indicate
M0.04
Yes
C403.2.4.3
and relief dampers
`Whether dampers are Class 1 motorized, or gravity and exception taken (include leakage
rating, cfm/s ; refer to HVAC System Controls for additional requirements for OSA dampers
Indicate locations of return air dampers that are integral to economizer operation; verify
M0.04
Yes
C403.2.4.3
Return air dampers
dampers are motorized; indicate whether dampers are Class 1, or within packaged equipment
eligible for leaks a rating exception include leakage rating, cfm/s
Yes
C403.2.4.3
Stairway and shaft vent
Indicate location of stairway and shaft vent dampers on plans; verify dampers are Class 1
M0.04
dampers
motorized; refer to HVAC System Controls for additional requirements
For systems serving areas > 25,000 sf or spanning more than one floor, that include areas that
NA
C403.2.4.4
Zone isolation dampers
are expected to be occupied non -simultaneously; identify isolation zone areas on plans and
locations of associated isolation dampers in HVAC distribution system; refer to HVAC System
Controls for additional requirements
For cooling systems with humidification equipment that are also required to have air
NA
C403.2.3.4
Humidification
economizer, indicate humidifier is adiabatic (direct evaporative or fog atomization), or
exception taken
2015 Washington State Energy Code Compliance Forms for Commercial, R2 and R3 over 3 stories and all R1 - Page 6 of 20
2015 Washinaton State Enerav Code ComDliance Forms for Commercial Buildinas includina R2 & R3 over 3 stories and all R1 Revised January 2017
Project Title: GREEDMONDS99 Date 12/1/2020
The following information is necessary to check a permit application for compliance with the mechanical systems and equipment requirements of the
Washington State Energy Code, Commercial Provisions.
Applicable Code Section Code Provision
Information Required - Must be in permit documents
Location in
Building Department
es no.na
Documents
Notes
Additional Efficiency Package Option, More Efficient HVAC Equipment & Fan Performance -
Must comply with all 3 provisions to be eligible
C406.2.1
To comply with additional efficiency package option, calculate the percentage of heating and
NA
C403.2.3
HVAC system selection
cooling equipment in the project (based on output capacity) that do not have a corresponding
WSEC listed efficiency; shall be less than 10% to comply
NA
C406.2.2
Minimum equipment
To comply with additional efficiency package option, indicate that all listed heating and cooling
C403.2.3
efficiency
equipment have a rated efficiency that exceeds WSEC listed efficiency by at least 15%
C406.2.3
To comply with additional efficiency package option, indicate rated FEG of stand alone fans is
NA
C403.2.11.3
Minimum fan efficiency
>_ 71; indicate these fans are sized so the fan efficiency at design conditions is within 10% of
h maximum total or static efficiency
HVAC System Controls
Indicate locations of thermostatic and humidity control devices and the zones they serve on
plans, including perimeter system zones
Where adjacent (neighboring) zones are controlled by separate thermostats (including
perimeter systems used to offset heat gain or loss), and are connected by permanent
Thermostatic controls
openings > 10% of either zone sf area, indicate controls configured to prevent adjacent zones
Yes
C403.2.4.1
(thermostats and
from operating in conflicting modes (one in heat, other in cool); applies to adjacent perimeter
humidistats)
zones, adjacent nonperimeter zones, and adjacent perimeter and nonperimeter zones
If applying Exception 2 to nonperimeter zones adjacent to perimeter zones, indicate that
setpoints and deadband settings in these zones are coordinated so cooling in a nonperimeter
zone does not occur until the temperature in that zone is 5°F higher than the adjacent
perimeter zone temperature in heating
Yes
C403.2.4.1.1
Heat pump supplementary
Indicate staged heating operation with compression as the first stage of heating and
M0.04
heat
supplemental heating controlled with outdoor lock -out temperature set to 40oF or less
NA
C403.2.4.1.2
Deadband
Indicate zone thermostatic controls configured with 5°F minimum deadband for systems that
control both heating and cooling
If separate heating and cooling systems with separate thermostatic control devices are used to
Setpoint overlap restriction
serve a zone, indicate locations of both thermostatic control devices and the zone they serve
NA
C403.2.4.1.3
(thermostats)
on plans
Indicate a limit switch, mechanical stop or DDC control with programming to prevent
simultaneous heating and cooling
C403.2.4.2
Automatic setback and
Indicate zone thermostatic controls configured with required automatic setback and manual
NA
C403.2.4.2.1
shutdown
override functions, setback temperatures, and control method (automatic time clock or
C403.2.4.2.2
programmable controls); note exceptions taken
NA
C403.2.4.2.3
Automatic (optimum) start
Indicate system controls that adjust equipment start time required to bring each area served
'ust
u to desi n tem erature prior to scheduled occupancy
Yes
C403.2.4.3
Outdoor supply air dampers
Indicate automatic controls configured to close OSA damper during unoccupied equipment
M0.04
operation; not including economizer cooling,night flush or IMC required OSA / exhaust
Yes
C403.2.4.3
Stairway and shaft vent
Indicate method of activation of stairway and shaft vent dampers (fire alarm or interruption of
damperspower)
For systems serving areas > 25,000 sf or spanning more than one floor, that include areas that
Yes
C403.2.4.4
Zone isolation controls
are expected to be occupied non -simultaneously; indicate controls that allow for independent
space conditionin of isolation zones; or exception taken
NA
C403.2.12
Heating outside a building
Indicate occupancy sensing or timer switch controls configured to automatically shut off
heatina s stem when area served is unoccupied
NA
C403.2.4.5
Snow melt systems
Indicate automatic controls configured to shut off system when pavement temperature
exceeds 50°F and no precipitation is falling, and when outdoor air temperature exceeds 40°F
NA
C403.2.4.6
Freeze protection system
Indicate automatic controls to shut off system when outdoor temperature exceeds 40°F, or
controls
conditions protect fluid from freezing
Group R1 hotel / motel
For hotels and motels with over 50 guest rooms, indicate automatic controls serving guest
NA
C403.2.4.9
guest rooms
rooms that are capable of setback (heating) and set-up (cooling) of temperature setpoint by at
least 5°F; indicate control method - activated by room entrV or occupancy sensor
2015 Washington State Energy Code Compliance Forms for Commercial, R2 and R3 over 3 stories and all R1 - Page 7 of 20
2015 Washinaton State Enerav Code ComDliance Forms for Commercial Buildinas includina R2 & R3 over 3 stories and all R1 Revised January 2017
Project Title: GREEDMONDS99 Date 12/1/2020
The following information is necessary to check a permit application for compliance with the mechanical systems and equipment requirements of the
Washington State Energy Code, Commercial Provisions.
Applicable
Code Section
Code Provision
Information Required - Must be in permit documents
Location in
Building Department
es no na
Documents
Notes
C403.2.4.10
Group R2 / R3 dwelling
For primary space conditioning system, indicate 5-2 programmable thermostats capable of two
NA
C403.2.4.11
units, Group R2 sleeping
setback periods per day; for all thermostats indicate purpose (heating only, cooling only, or
units
both), required temperature range and at minimum a 10°F deadband; or exception taken
Indicate method of ventilation air delivery (natural or mechanical) for each zone
If mechanically delivered, indicate that systems are configured to provide not more than 150%
M0.2
Yes
C403.2.6
Ventilation
of, but at least the minimum required volume of outdoor air to each zone per IMC, ASHRAE
C403.2.11.4
62.1 or other applicable code (WAC, OSHA, etc); or exception taken
If delivered via natural ventilation, identify required elements per IMC including minimum
o enable area to the outdoors or qualifying adloining spaces
Identify spaces > 500 sf with occupant load > 25 people/1,000 sf per IMC; for each space
Demand controlled
indicate whether it is served by an HVAC system with total design OSA > 3,000 cfm, and / or
NA
C403.2.6.2
ventilation
the system has airside economizer or automatic modulating OSA damper; indicate OSA
controls are configured to provide demand controlled ventilation or provide supporting
documentation for applied exception
For gyms, classrooms, auditoriums and conference rooms > 500 sf, indicate occupancy -based
M0.04
Yes
C403.2.6.3
Occupancy sensors
OSA control when space is unoccupied and method (closes OSA damper or shuts -off
equipment); or alternate means provided to automatically reduce OSA when space is partially
occupied
C403.2.6.4
Enclosed loading dock
For enclosed loading docks, indicate ventilation / exhaust system method of activation (gas
NA
C403.2.6.4.1
ventilation
detection system for CO and NO2, or occupancy sensors), and control method (staged or
modulating)
Yes
C403.2.6.4
Enclosed parking garage
For enclosed parking garages, indicate ventilation / exhaust system activated by gas detection
M0.04
C403.2.6.4.2
ventilation
system for CO and NO2, and control method (staged or modulating); or exception taken
Provide calculations that show a balanced accounting of total kitchen exhaust (include all
hoods) with % of: supply air, transfer air from adjacent spaces, and make-up air; ff applicable,
NA
C403.2.7.1
Kitchen exhaust hoods
indicate that direct make-up air to each hood does not exceed 10% of hood exhaust
For kitchens with total hood exhaust exceeding 2,000 cfm, indicate exhaust air rate per Table
C403.2.7.1 and compliance method (DCV, energy recovery, or transfer air that would
otherwise be exhausted
NA
C403.2.7.2
Laboratory exhaust systems
Refer to Systems Requiring Energy Recovery for requirements
Variable flow capacity -
For HVAC fan motors >_ 7.5 hp, indicate method of variable flow control (VSD, or equivalent
NA
C403.2.13
HVAC system fans
control method that reduces design air volume by 50 /o at 1/3 static design pressure); note
exception taken
DX air handler variable
For DX air handlers with economizer and cooling capacity >_ 65,000 Btu/h, indicate number of
cooling control
cooling stages provided and method (multiple compressors and / or variable speed
NA
C403.3.1
(Under Integrated
compressors); indicate minimum displacement (capacity reduction) as % of full load
Indicate control method (cooling capacity controlled in response to space temperature, space
Economizer)
temperature controlled by modulating supply airflow, or both
For DX air handling units with cooling capacity z 65,000 Btu/h and evaporative and chilled
water air handling units with fan >_ 0.25 hp, indicate whether system is single zone or multiple
zone and related control method (cooling capacity controlled in response to space
temperature, space temperature is controlled by modulating supply airflow, or both)
For mechanical cooling systems (includes DX and chilled water coils) that control cooling
capacity in response to space temperature - Provide a minimum of two stages of fan control;
NA
C403.2.11.5
Fan airflow control
indicate minimum fan speed is 5 66% of full speed drawings 40% of full speed fan power
during periods of low cooling or ventilation only
For other mechanical cooling systems (includes DX and chilled water coils) that control space
temperature by modulating airflow (in lieu of, or in addition to, controlling capacity in response
to space temperature) - Provide fan controls for modulating supply airflow; indicate minimum
fan speed is 5 50% of full speed drawing 5 30% of full speed fan power during periods of low
lcooling or ventilation only; or exception taken
Provide central and zone level DDC controls as required based on system application,
NA
C403.2.4.12
DDC system capabilities
capacity or size thresholds and other qualification per Table C403.2.4.12.1
Identify all DDC system input / output control points; indicate capability for trending and
graphical display
Ducting Systems
C403.2.8.1
Indicate on plans that all ductwork is constructed and sealed per IMC
M0.0
Yes
C403.2.8.3
Duct construction
For OSA ductwork, also indicate on plans that ductwork meets air leakage requirements per
C402.5 and va or retarder requirements per the IBC
M0.0
No
C403.2.8.3
Duct pressure classifications
Identify location of low, medium and high pressure ductwork on plans
NA
C403.2.8.3.3
High pressure duct leakage
Indicate high pressure duct leakage testing requirements on plans; provide test results to
test
ruriscliction when completed
2015 Washington State Energy Code Compliance Forms for Commercial, R2 and R3 over 3 stories and all R1 - Page 8 of 20
2015 Washinaton State Enerav Code ComDliance Forms for Commercial Buildinas includina R2 & R3 over 3 stories and all R1 Revised January 2017
Project Title: GREEDMONDS99 Date 12/1/2020
The following information is necessary to check a permit application for compliance with the mechanical systems and equipment requirements of the
Washington State Energy Code, Commercial Provisions.
Applicable
Code Section
Code Provision
Information Required - Must be in permit documents
Location in
Building Department
es no na
Documents
Notes
For supply and return ductwork located in unconditioned space or outdoors, indicate R-value
of insulation on ductwork on plans; identify climate zone; note exceptions taken
1 B/M2.2A
For supply ductwork located in conditioned space, identify if design supply temperature is <
C403.2.8.1
Yes
C403.2.8.2
Duct insulation
55°F or> 105°F and indicate R-value of insulation on this ductwork on plans; note exception
taken
For OSA ductwork, shafts and plenums, indicate R-value of insulation on these elements on
plans ber Table C402.1.3 for steel -framed walls: note exce tion taken
M0.0
Piping Systems
NA
C403.2.9
Piping insulation
p g
Indicate design temperature range of fluid conveyed in piping and thickness of insulation (in
inches) on h dronic piping plans; or exception taken
NA
C403.2.9.1
Piping insulation exposed to
Indicate method of protection of pipe insulation from damage / degradation on hydronic piping
weather
1plans
Economizers
Identify in equipment schedules on plans or in MECH-EQ forms all cooling systems requiring
air economizer controls
M0.04
Yes
C403.3
Air economizer required
Provide MECH-ECONO form indicating systems utilizing air economizer exceptions, including
those with water -side economizer in lieu of air economizer; indicate on plans eligible
exception(s) taken and measures to comply with exception(s)
M0.04
NA
C403.3.1
Integrated economizer
Indicate air and water -side economizers are configured for partial cooling operation even
Operation - air and water
where additional mechanical cooling is required to meet the load
NA
C403.3.2
Economizer heating system
Verify control method of HVAC systems with economizers does not increase building heating
impact - air and water
energy usage during normal operation
NA
C403.3.3.1
Air economizer capacity
Indicate modulating OSA and return air dampers are configured to provide up to 100% OSA
for cooling
Verify mechanical cooling controls are interlocked with air economizer controls so the outside
C403.3.1
air damper remains in 100% open position when mechanical cooling is also required to meet
NA
C403.3.3.2
Integrated air economizer
the coolinq load, until the leavinq air temperature is < 45°F
For systems with cooling capacity z 65,000 Btu/h, verify that control of economizer dampers is
not based only on mixed air temperature; or exception taken
NA
C403.3.3.3
Air economizer high limit
Indicate high limit shut-off control method and required high limit per Table C403.3.3.3
controls
For eligible systems where water -side economizer may be provided in lieu of air economizer,
NA
C403.3.4.1
Water economizer capacity
indicate system is capable of 100% design cooling capacity at 50oF db / 45°F wb OSA
temperatures
NA
C403.3.4.2
Water economizer
Indicate pressure drop across precooling coils and heat exchangers in water economizer
maximum pressure drop
system do not exceed pressure drop limit
NA
C403.3.1
DX air handling equipment
For DX air handlers with economizer and cooling capacity >_ 65,000 Btu/h, refer to HVAC
control
System Controls for requirements
DX equipment economizer
For DX air handlers with economizer and cooling capacity >_ 54,000 Btu/h, provide a fault
NA
C403.2.4.7
fault detection and
detection and diagnostics (FDD) system to monitor economizer system operation and report
dia nostics
faults
Systems Requiring Energy Recovery
For systems with design OSA > 5,000 cfm, or design supply air cfm and % OSA exceeding the
values in Tables C403.5.1(1) or (2), indicate exhaust air ER method; or exception taken with
Energy recovery (ER) -
supporting calculations
For rooms served by multiple systems with aggregate design OSA > 5,000 cfm, or aggregate
Yes
C403.5.1
ventilation / exhaust
systems
design supply air cfm and % OSA exceeding the values in Tables C403.5.1(1) or (2), indicate
exhaust air ER method; or exception taken with supporting calculations
Indicate ER rated effectiveness that increases OSA enthalpy by >_ 50% based on delta
between OSA and return air enthalpies at design conditions
M0.04
Laboratory exhaust systems
For buildings with total lab exhaust > 5,000 cfm, indicate method of energy recovery used to
NA
C403.2.7.2
(energy recovery)
pre -condition laboratory make-up air; ER effectiveness (min 25°F); or alternative method per
exception (VAV exhaust semi -conditioned makeup, or CERM calculation
For buildings with pools or spas with water surface area > 200 sf, indicate exhaust air ER
C404.10.4
Pools and permanent spas
method and use of waste heat (preheat ventilation air, pool water or service hot water); or
NA
(under
exhaust systems
exception taken
Indicate ER system has the rated effectiveness and is configured to decrease the exhaust air
C404.11)
(energy recovery)
temperature at desi n conditions by >_ 36°F
Energy recovery -
For buildings with on -site steam heating systems, indicate condensate water ER
For buildings that use off -site generated steam where condensate is not returned to the
NA
C403.5.2
steam condensate systems
source indicate on -site condensate water ER
2015 Washington State Energy Code Compliance Forms for Commercial, R2 and R3 over 3 stories and all R1 - Page 9 of 20
2015 Washinaton State Enerav Code ComDliance Forms for Commercial Buildinas includina R2 & R3 over 3 stories and all R1 Revised January 2017
Project Title: GREEDMONDS99 Date 12/1/2020
The following information is necessary to check a permit application for compliance with the mechanical systems and equipment requirements of the
Washington State Energy Code, Commercial Provisions.
Applicable
Code Section
Code Provision
Information Required - Must be in permit documents
Location in
Building Department
es no na
Documents
Notes
For buildings with food service, meat or deli departments that have >_ 500,000 Btu/h of remote
refrigeration capacity for coolers / freezers, indicate condenser ER and use of captured energy
(service water heating, space heating, or dehumidification reheating)
NA
C403.5.3
Energy recovery -
For buildings with >_ 40,000 sf conditioned floor area and with >_ 1,000,000 Btu/h of remote
cooler / freezer condensers
refrigeration capacity for coolers / freezers, indicate condenser ER and use of captured energy
for service water heating and also for space heating, or dehumidification reheating
For buildings with 24-hour operation and with > 1,500,000 Btu/h of heat rejection capacity and
NA
C403.5.4
Energy recovery -
design service hot water load > 250,000 Btu/h, indicate condenser ER to pre -heat service
condenser systems
water; or exception taken. Provide calculations showing the amount of recovered heat that is
utilized ° fpeak heat relection load or pre -heat rvi water to 85'Fl.
Hydronic System Controls
For hydronic system pump motors z 7.5 hp, indicate method of variable flow control (VSD or
C403.2.13
Variable flow control -
equivalent method that requires >_ 30% design wattage at 50% design fluid flow); note
NA
C403.4.2.7
hydronic system pumps
exception taken
Identify whether hydronic coils have DDC controls and associated manner of pump speed
control differential pressure, zone hydronic demand etc
For boilers that provide building heating, indicate controls that provide heating water
temperature setback based on outdoor temperature
For heating and chilled water systems >_ 300,000 Btu/h, indicate systems are configured to
C403.2.5
Hydronic system setback
automatically reset supply water temperature based upon demand; or exception taken.
NA
C403.4.2.4
and part load controls
If system pump motor hp z 3 hp, also indicate controls automatically reduce flow by z 50%.
For chilled water systems (z 300,000 Btu/h, pump motor hp t 3 hp) that serve water-cooled
unitary air conditioners, indicate VSD or staged pumps in chilled water system and heat
rejection loop that reduce pump flow so that one control valve is nearly wide open, or to
maintain a minimum differentialpressure; or exception taken
NA
C403.4.2
Boiler sequencing
Indicate automatic controls that sequence operation of multiple boilers
NA
C403.4.6
Hot gas bypass limitation
For cooling equipment with hot gas bypass, provide either multiple step unloading or
continuous capacity modulation; indicate bypass capacity er Table C403.4.6
NA
C403.4.2.2
Two -pipe changeover
Indicate changeover deadband (min 15°F), heating / cooling mode scheduling and
systems
changeover temperature range limit 30°F
NA
C403.4.2.6
Chiller / boiler plant pump
Indicate controls are configured to automatically reduce overall plant flow and shut-off flow
isolation
through individual chillers and boilers when not in use
For cooling towers with fan motors >_ 7.5 hp, indicate VSD and method to adjust fan speed
C403.2.13.1.1
Heat rejection equipment -
(adjusted based on leaving fluid temperature or condenser temperature / pressure of heat
NA
C403.4.3.1.1
variable flow control
refection device)
For multiple -cell heat rejection equipment with VSD, indicate controls that ramp all fans in
C403.4.3.1.2
unison
NA
C403.4.3.3
Heat rejection equipment -
Indicate open -circuit cooling towers with multiple pumps or VSD control are designed so all
cooling tower flow turndown
cells can be run in parallel
NA
C403.4.2.3.1
Water loop heat pump -
Indicate capability of central equipment to provide minimum 20°F water supply temperature
deadband
deadband between heat rejection and heat addition modes; or exception taken
NA
C403.4.2.3.2.1
Water loop heat pump - heat
Indicate type of cooling tower (open- or closed-circuit) in equipment schedule; indicate method
rejection equipment, Zone 4
used to limits stem heat loss when heat rejection is not needed
NA
C403.4.2.3.2.2
Water loop heat pump - heat
For open- or closed-circuit cooling towers, provide a heat exchanger that separates the cooling
rejection equipment, Zone 5
tower and heat pump loop
NA
C403.4.2.3.3
Water loop heat pump -
For hydronic heat pump systems with total system power > 10 hp, indicate 2-way isolation
isolation valves
valves on each heat pump and variable flows stem control
Dedicated Outdoor Air Systems (DOAS) - Optional through 6/30/16, Prescriptive 7/1/2016
For buildings with office, retail, education, library and fire station spaces, identify these spaces
No
C403.6
Dedicated outdoor air
on plans; indicate that ventilation air in each occupied space is provided via a DOAS system;
C403.6.3
systems
or document compliance with C403.6.3 Impracticality; or exception taken (buildings complying
with C402.4.1.4 or C406.6 maV not utilize exceptions)
Energy recovery ventilation
For all DOAS systems, indicate exhaust air ER method; or exception taken with supporting
Yes
C403.6.1
with DOAS
calculations. Indicate ER rated effectiveness that increases OSA enthalpy by >_ 50 /o based on
delta between OSA and return air enthalpies at design conditions.
M0.04
Indicate equipment associated with the delivery of zone level heating and cooling (fans,
Heating / cooling system
hydronic pumps, primary air dampers, etc) are configured to shut off, and central equipment is
No
C403.6.2
controls with DOAS
confiqured to turn down, when there is no call for heatinq or coolinq in the zone they serve
If applying Exception to heating / cooling fans used for air mixing in the space during deadband
periods, include fan watts per cfm in equipment schedule
2015 Washington State Energy Code Compliance Forms for Commercial, R2 and R3 over 3 stories and all R1 - Page 10 of 20
2015 Washinaton State Enerav Code ComDliance Forms for Commercial Buildinas includina R2 & R3 over 3 stories and all R1 Revised January 2017
Project Title: GREEDMONDS99 Date 12/1/2020
The following information is necessary to check a permit application for compliance with the mechanical systems and equipment requirements of the
Washington State Energy Code, Commercial Provisions.
Applicable
Code Section
Code Provision
Information Required - Must be in permit documents
Location in
Building Department
es no na
Documents
Notes
C402.4.1.4
Increased prescriptive
Yes
C403.6
maximum vertical
Indicate that all occupied, conditioned spaces are served by a DOAS per C403.6
fenestration area with DOAS
M0.04
Additional Efficiency Package Option, Dedicated Outside Air Systems (DOAS)
NA
C406.6
Bprovided with
To comply with additional efficiency package option, indicate that 90% or more of all occupied,
DOAS
conuilding
ditioned s aces are served by a DOAS per C403.6
Multiple Zone Air Systems
Air systems serving multiple
Identify supply air systems serving multiple zones and the zones they serve on plans; indicate
NA
C403.4.4
whether system is VAV and method of primary air control; or provide supporting
zones
documentation for applied exception to VAV
Provide equipment schedules on plans or MECH-EQ form that list all VAV air terminals and
types
For each air terminal include: maximum airflow rates for primary supply air during zone peak
VAV systems serving
NA
C403.4.4
multiple zones
heating and zone peak cooling; maximum airflow during reheating, recooling or mixing;
minimum airflow rate to maintain required ventilation, and the basis for these values; if IMC or
ASHRAE 62.1 multiple zone equation is basis for minimum flow rates, provide calculation on
tans
NA
C403.4.4.1
Single duct VAV terminal
Indicate single duct terminal units are configured to reduce primary supply air before reheating
units
or recoolin
NA
C403.4.4.2
Dual duct systems - terminal
For systems with separate warm air and cool air ducts, indicate terminal units are configured to
units
reduce the flow from one duct to minimum before mixing with air from the other duct
Indicate locations of duct static pressure sensors on plans; include at least one sensor per
VAV system static
major duct branch; verify controller setpoint pressure at each sensor is 5 1.2 inch w.g.
For systems with zone level DDC, indicate controls are configured to monitor zone damper
NA
C403.4.1.1
C403.4.1.2
pressure sensors -
positions and reset static pressure setpoint based on the zone requiring most pressure;
sensors and DDC set points
include control logic that automatically detects and generates an alarm if any zone excessively
drives reset logic, and allows building operators to exclude zones from reset logic
Multiple -zone VAV system
For systems with zone level DDC controls, indicate controls are configured to automatically
NA
C403.4.4.3
ventilation optimization
reduce outdoor airflow in response to changes in system ventilation efficiency; or exception
controls
taken
NA
C403.4.4.4
VAV system supply air reset
Indicate controls automatically reset supply air temperature in response to building loads or
outdoor air temperature; or exception taken
Multiple Zone HVAC Systems, High Efficiency VAV - Required for systems utilizing C403.6 DOAS Exception 2, must comply with all 16 provisions
NA
C403.7,
Air economizer
Indicate system is configured for 100% air economizer operation and complies with all related
Item 1
economizer requirements per C403.3 without economizer exceptions)
NA
C403.7,
Direct digital controls (DDC)
Provide DDC controls for all components of system; identify all DDC system input / output
Item 2
control oints indicate capability for trending and graphical display
For systems with minimum OSA > 2,500 cfm, indicate outdoor airflow monitoring station that
NA
C403.7,
Outdoor airflow
measures OSA intake under all load conditions; indicate control sequence that increases or
Item 3
measurement and reduction
reduces system OSA cfm based on VAV terminal feedback of ventilation efficiency (per
C403.4.4.3 without exceptions) or DCV(per C403.2.6.2
NA
C403.7,
Supply airflow measurement
For systems with minimum OSA > 2,500 cfm, indicate supply airflow monitoring station capable
Item 4
of measuring supply air delivered to VAV terminals under all load conditions
C403.7,
Zone isolation and
Verify maximum area served by a single HEVAV system is 550,000 sf, or one entire floor,
NA
Item 5
maximum area served
whichever is greater; in addition if a system serves > 25,000 sf, that includes areas that are
expected to be occu ied non-simultaneously,indicate zone isolation controls per C403.2.4.4
C403.7,
Interior / exterior zone
Verify that VAV terminals serving interior cooling driven loads are sized per design supply air
NA
Item 6
design supply air
temperature that is 5°F higher than VAV terminals serving exterior zones
temperature
C403.7,
Maximum air terminal inlet
Identify air terminals with minimum primary airflow setpoints > 50% of maximum setpoint in
NA
Item 7
velocity
equipment schedule or MECH-EQ form; indicate air terminal inlet velocity does not exceed 900
f m
NA
C403.7,
Sequence of operation
Indicate DDC system sequences of operation are designed and configured per ASHRAE GPC
Item 8
36
NA
C403.7,
Maximum allowable system
Verify fan system bhp is <_ 90% of the bhp limit per Option 2 equation in Table C403.2.11.1(1),
Item 9
brake horsepower
MECH-FANSYS form for each system
all series and parallel terminal fans have electronically commutated motors; indicate
NA
C403.7,
Fan -powered terminal unit
rDDntrolsystem is configured to vary air terminal fan speed as a function of the load;
Item 10
motor and control
fan speed during periods of low heating, low cooling, or ventilation only is <_ 66% of
eak des' n air flow or provide supporting documentation for applied exception
2015 Washington State Energy Code Compliance Forms for Commercial, R2 and R3 over 3 stories and all R1 - Page 11 of 20
2015 Washinaton State Enerav Code ComDliance Forms for Commercial Buildinas includina R2 & R3 over 3 stories and all R1 Revised January 2017
Project Title: GREEDMONDS99 Date 12/1/2020
The following information is necessary to check a permit application for compliance with the mechanical systems and equipment requirements of the
Washington State Energy Code, Commercial Provisions.
Applicable
Code Section
Code Provision
Information Required - Must be in permit documents
Location in
Building Department
es no na
Documents
Notes
C403.7,
Application of single duct
Indicate VAV terminal types on plans; verify fan -powered terminal units only serve perimeter
NA
Item 11
and fan -powered terminal
zones with envelope loads; verify all other zones are served by single duct terminal units
units
C403.7,
Fan -powered terminal unit
Indicate DDC controls are configured to automatically reset the primary supply air cfm setpoint
NA
Item 12
primary air reset
of all fan -powered terminal units to the minimum required to maintain ventilation during
occupied heating or deadband, based upon the VAV air handling unit OSA ventilation fraction
For spaces > 150 sf with occupant density >_ 25 people / 1000 sf, indicate space is served by a
NA
C403.7,
High occupancy space
dedicated terminal unit with DCV control that resets terminal unit ventilation setpoint; also
Item 13
controls
indicate occupancy sensor control that automatically reduces minimum ventilation to zero and
sets back room heating and cooling setpoints bV z 5°F
For server, electronic equipment, telecom or similar spaces with cooling loads > 5 W/sf,
Yes
C403.7,
Dedicated HVAC systems
indicate spaces are served by independent HVAC systems that are separate from HPVAV
Item 14
systems serving rest of building; indicate dedicated HVAC systems have air economizer
controls or enerqV recovery per C403.3 Exception 9
M0.04
Indicate whether systems are served by a high efficiency heating water plant, or a high
efficiency chilled water plant
If complying via high efficiency heating water plant: Indicate all VAV terminals have hydronic
heating coils served by heating water system with either gas -fired boiler(s) with thermal
NA
C403.7,
Central plant efficiency
efficiency >_ 90%, air -to -water heat pumps, or heat recovery chillers
If complying via high efficiency chilled water plant: Indicate all VAV air handlers have cooling
Item 15
coils served by chillers with rated IPLV efficiency that exceeds WSEC listed IPLV by at least
25% per Table C403.2.3(7) (note water-cooled IPLV is max, all others are min); indicate
smallest chiller or compressor in plant is <_ 20% of total plant capacity, or provide thermal
stora a sized for < 20% of total plant capacity
C403.7,
Fault detection and
Indicate DDC system includes a fault detection and diagnostics (FDD) system configured to
NA
Item 16
diagnostics
I
monitor operation and provide fault reporting of required parameters for all VAV air handlers
and VAV air terminal units in the HPVAV system
HVAC Equipment Energy Use Metering
HVAC equipment energy
For new buildings > 50,000 sf and building additions > 25,000 sf, verify energy use metering of
NA
C409.3.1
use metering
all equipment used to provide space heating and cooling, dehumidification and ventilation will
be brovided ber C409: indicate a ui ment eligible for exce lion
Documentation and System Specific Requirement To Support Commissioning
Indicate that all mechanical systems, equipment, and controls for which the WSEC requires
control functions and / or configuration to perform specific functions are required to be
Scope of mechanical
commissioned;
For buildings with >_ 240,000 Btu/h total output cooling capacity or >_ 300,000 Btu/h total output
Yes
C408.2
systems commissioning
heating capacity, indicate that all mechanical systems regardless of individual capacity are
required to be commissioned; or provide building heating / cooling capacity calculation
demonstrating eligibilitV for exception
Indicate in plans and specifications that Cx per C408 is required for all applicable mechanical
systems;
Include general summary with at a minimum of Items 1 thru 4 of the Cx plan per C408.1.2
C403.2.10
C408.1.1
Commissioning
including: narrative description of activities, responsibilities of the Cx team, schedule of
Yes
C408.1.2
requirements in construction
activities including verification of project close out documentation per C103.6, and conflict of
C408.1.4.2
documents
interest plan (if required);
Include in general summary that a Cx project report or Compliance Checklist (Figure
C103.6
C408.1.4.2) shall be completed by the Certified Cx Professional and provided to the owner
prior to the final mechanical inspection.
Air system and hydronic
Indicate in plans that air and fluid flow rates shall be tested and balanced within the tolerances
NA
C408.2.2
system balancing
defined in the specifications; indicate systems shall be balanced in a manner to first minimize
throttling losses then adjusted to meet design flow conditions
Yes
C408.2.2.1
Air system balancing
Indicate devices that provide the capability to balance all supply air outlets, zone terminals and
devices
air handling equipment requiring system balancing
NA
C408.2.2.2
Hydronic system balancing
Indicate devices that provide the capability to isolate, balance and measure flow across all
devices
hydronic equipment requiring system balancing including heating and cooling coils and pumps
NA
C408.2.3
Functional performance
Identify in plans and specifications the intended operation of all equipment and controls during
testin criteria
all modes of operation, including interfacing between new and existin -to-remain s stems
Project Close Out Documentation
Documentation and project
Indicate in plans that project close out documentation and training of building operations
Yes
C103.6
close out submittal
personnel is required for all mechanical components, equipment and systems governed by this
requirements
code; indicate close out documentation shall include: record documents, O&M manuals,
applicable WSEC m lin forms n I I in
2015 Washington State
Code Compliance Forms for Commercial, R2 and R3 over 3 stories and all R1
2015 Washington State Energy Code Compliance Forms for Commercial Buildings including R2 & R3 over 3 stories and all R1Revised January 2017
Project Title: GRE EDMONDS 99 1 Date 12/1/2020
All cooling systems shall be configured to provide air economizer operation, regardless of system
capacity, for new construction and mechanical system alterations. Various exceptions to this
requirement are available. Identify all systems that an economizer exception will be applied to
and additional information as noted below.
For Building Dept. Use
Economizer
Exception
Summary
Refer to Section
C403.3 for
descriptions of
economizer
provisions and
exceptions. For
alterations refer
to Section
C503.4 and
Table C503.4.
ECONOMIZER EXCEPTIONS -NEW CONSTRUCTION AND ADDITIONS
Exp 1 Cooling equipment serving spaces that are provided with a dedicated
outdoor air system (DOHS) per C403.6. Spaces served shall have year-
round design cooling loads from lights and equipment less than 5 watts per
square foot.
System ID
Lighting +
Equipment
Loads W/s
FC-1
0.54
FC-4
0.54
FC-5
0.54
FC-6
0.54
FC-9
0.54
FC-3A
0.68
FC-3B
0.68
Exp 2 Single zone unitary or package systems with dehumidification that affect
other systems such that air economizer would increase energy
consumption.
System ID
Exp 3 High efficiency single zone unitary or packaged systems. Equipment
cooling efficiency shall be better than the WSEC required minimum
efficiency by at least 64% in Climate Zone 4C and 59% in Climate Zone 5B
per Table C403.3.
System ID
Exp 4 Equipment that provides hydronic chilled water for chilled beams and
chilled ceiling systems that is served by a water economizer system per
C403.3.4 in lieu of air economizer.
System ID
Exp 5 Water -source heat pumps with heat recovery. Heat pump efficiency shall
be 15% better than WSEC required minimum efficiency. Provide at
minimum 60% air economizer. Energy recovery to preheat OSA shall
have at least 50% effectiveness. Additional system requirements apply.
System ID
Exp 6 Cooling equipment serving Group R occupancies. Per unit limit is
less than 20,000 Btu/h cooling capacity for equipment installed
outdoors or in a mech room adjacent to the outdoors. For cooling
equipment installed in other locations the unit limit is less than
54,000 Btu/h. Efficiency shall be 15% better than WSEC required
minimum efficiency.
System ID
Equipment
Location
Cooling
Capacity
Btu/h
FC-7
Other
9,000
FC-8A
Other
9,000
I FC-813
Other
9,000
Exp 7 Variable refrigerant flow (VRF) systems with energy recovery. Outdoor
unit shall be a reverse -cycle heat pump with variable speed
compressor(s) and condenser fan(s). Outdoor unit cooling capacity shall
be not less than 65,000 Btu/h. Energy recovery to preheat outdoor air
shall have at least 50% rated effectiveness. System shall be capable of
providing simultaneous heating and cooling by tranferring recovered
energy from zone(s) in cooling mode to other zone(s) that are in heating
Outdoor Unit
System ID
Cooling
Capacity
Btu/h
Exp 8 Cooling equipment serving Controlled Plant Growth Environments.
Equipment cooling efficiency shall be better than WSEC required
minimum efficiency by at least 20%. Not eligible: unitary and applied
heat pumps.
System ID
SEER, EER, &
IEER
Exp 9 Cooling equipment with energy recovery. Spaces served shall have
year-round design cooling loads from lights and equipment greater than
5 watts per square foot. Energy recovery system shall utilize recovered
energy for on -site space heating or preheating of service hot water.
Provide calculations to the code official that demonstrate the amount of
recovered energy used for on -site heating purposes is equivalent to the
annual energy that would be saved by the cooling system with air
System ID
Lighting +
Equipment
Loads W/s
2015 Washington State Energy Code Compliance Forms for Commercial, R2 and R3 over 3 stories and all R1
Economizer Exceptions,cont.• •
2015 Washington State Energy Code Compliance Forms for Commercial Buildings including R2 & R3 over 3 stories and all R1Revised January 2017
Project Title:
Date 12/1/2020
Economizer
Exception
Summaryeconomizer
Refer to Section
C403.3 scrip for
descriptions of
economizer
provisions and
exceptions. For
alterations refer
to Section
C503.4 and
Table C503.4.
ECONOMIZER EXCEPTIONS - NEW CONSTRUCTION AND ADDITIONS, CONTINUED
Compliance Exp 10 Cooling equipment for dedicated server, electronic equipment or liance
System ID p
telecom switch rooms. Per building limit for this exception is y Option
240,000 Btu/h cooling capacity or 10% of required building air
capacity, whichever is greater. Part load control FC-2 Option a
required over 85,000 Btu/h. Additional requirements apply.
Option a - Cooling equipment efficiency shall be 15% better than
the WSEC required minimum efficiency..
Option b - Waterside economizer required. Cooling equipment
efficiency shall be 5% better than the WSEC required
minimum efficiency.
Option c - Waterside economizer required. All cooling equipment is
subject to ASHARE Standard 127. Total Claimed Exempt Capacity:
Total building air economizer capacity (if claimed > 240 kBtu/h):
Alternate Ex 10 Capacity Limit:
p p y
Cooling
Capacity
p y
Btu/h
14,000
14,000
ECONOMIZER EXCEPTIONS -MECHANICAL SYSTEM ALTERATIONS OR REPLACEMENT
C503.4 Pre -approved design alternative to full compliance with air economizer
Exp 1 requirement. An alternative for mechanical system alterations where existing
building constraints make full compliance with air economizer requirement
impractical. Provide calculations to the code official that demonstrate the
proposed alternate design strategy provides similar energy savings to the
annual energy that would be saved by the cooling system with air economizer
per C403.3.
System ID
Alt. Strategy
ECONOMIZER EXCEPTIONS - SIMPLE SYSTEMS
C503.4 Qualifying small equipment. Per unit limit less than 33,000 Btu/h. Per System ID
Exp 2 building limit for this exception is 72,000 Btu/h cooling capacity or 5% of
required building air economizer capacity, whichever is greater. Cooling
equipment efficiency shall be 15% better than WSEC required minimum
efficiency. Not eligible: non -unitary equipment, unitary equipment installed
outdoors or in mech room adjacent to outdoors, equipment installed during
new construction, shell -and -core construction, or initial tenant
improvement.
Total Claimed Exempt Capacity:
Total building air economizer capacity (if claimed > 72,000 Btu/h):
Alternate C503.4 Exp 2 Capacity Limit:
Cooling
Capacity
Btu/h
C503.4 Equipment that provides hydronic chilled water for chilled water terminal
Exp 3 units. Equipment part load cooling efficiency (IPLV) shall be better than System ID
WSEC required minimum efficiency by at least 25%. Per building limit
for this exception is 480,000 Btu/h cooling capacity or 20% of required
building air economizer capacity, whichever is greater. Chilled water
terminal units serving Group R occupancies are not included in the
building capacity total.
Total Claimed Exempt Capacity:
Total building air economizer capacity (if claimed > 480,000 Btu/h):
Alternate C503.4 Exp 3 Capacity Limit:
Cooling
Capacity
Btu/h
Table Compliance Options for alteration or replacement of existing
C503.4 mechanical cooling equipment per Table C503.4. Refer to table
and all applicable table footnotes for full requirements. Applies to
the following retrofit conditions:
Option a - Any new or replacement equipment
Option b - Replacement equipment of same type with same or
smaller cooling output capacity.
Option c - Replacement equipment of same type with large
cooling output capacity.
Option d - New equipment added to existing system or
replacement equipment that is different than existing
being replaced.
System ID
Equipment
Type
Compliance
Path