REVIEWED BLD2022-1585+DUCT INFO+11.16.2022_5.16.14_PM+3224502WA STATE ENERGY CODE
I. HVAC THERMOSTATS SHALL BE SET TO MAINTAIN A MINIMUM
RECEIVED DEADBAND OF 57 IN AREAS. SERVED AS REQUIRED PER WSEC
Nov 21 2022
C 403.2, 4.2,
°E DEPARTMENT Es 2, PER WSEC 403.2.7. ALL DUCTS SHALL BE INSULATED AS
FOLLOWS:
BLD2022-1585
REVIEWED
BY
CITY OF EDMONDS
DUCT INSULATION SCHEDULE
SERVICE (1)(3)(4)(5� MATERIAL 6 R—VALUE
() (MIN.
INSTALLED)
Y & RETURN AIR DUCTS IN $LANKr WOOL 6.0
DfTIONED SPACE
SUPPLY ' RETURN AIR DUCTS LOCATED
OUTSIDE THE BUILDING
MINERAL —WOOL
BLANKET
8.0
SUPPLY WITH SA TEMP <55-F OR >1057
WITHIN CONDITIONED SPACE
MINERAL —WOOL
BLANKET
3 3
SUPPLY DUCTS EXPOSED WITHIN
CONDITIONED SPACE
MINERAL —WOOL
BLANKET
0.0
WSEC OUTSIDE AIR FROM EXTERIOR OF BUILDING
TO AUTOMATIC
`--
SHUT—OFF DAMPER OR
HEATING OR COOLING EQUIPMENT AND
MINERAL —WOOL
GREATER THAN 2,800 CFM
BLANKET
NOTE 2
OUTSIDE AIR FROM EXTERIOR OF BUILDING
—
TO AUTOMATIC SHUT—OFF DAMPER OR
HEATING OR COOLING EQUIPMENT
WOOL
AND LESS B
THAN 2.800 CFM BLANKET
7.0
OUTSIDE AIR DUCT IN UNHEATED EQUIPMENT
ROOMS ITH COMBUST.ION AIR
—
ISOLATED FROM CONDITIONED SPACE AT
MINERAL —WOOL
SIDES, TOP AND BOTTOM WITH R-11
BLANKET
0.0
INSULATION
OUTSIDE AIR DUCT IN CONDITION SPACE
INERAL—
FOR HEAT OR ENERGY RECOVERY
BLANKET
4.0WOOL
WSMC VENTILATION SYSTEM, DUCT UPSTREAM OF
HEAT EXCHANGER
MINERAL —WOOL
BLANKET
4.0
LXHAUST DUCTS IN UNCONDITIONED SPACE MINERAL —WOOL
BLANKET 4.0
NOTES
(1) DUCT INSULATION SHALL COMPLY WITH WSMC AND WSEC
(2) DUCT SHALL MEET THE REQUIREMENTS OF METAL FRAMED WALLS PER
WSEC TABLE C402.1.4
(3) VAPOR RETARDER IS INSTALLED ON SUPPLY DUCT THAT DOES COOLING
AND OUTSIDE AIR DUCT PER WSMC 604.11
(4) EXTERAL DUCT INSULATION IS IDENTIFIABLE PER WSMC 604.7
(5) ALL DUCTWORK iS CONSTRUCTED AND SEALED PER WSMC
(6) INSULATION SHALL HAVE A MAXIMUM FLAME SPREAD INDEX OF 25 AND
MAXIMUM SMOKE DEVELOPED INDEX OF 50 PER WSMC 604.3
3. MOTORIZED DAMPERS: PER WSEC C402.4,5.2 PROVIDE MOTORIZED
DAMPERS ON ALL OUTSIDE AIR INTAKES, EXHAUST OUTLETS AND
RELIEF OUTLETS SERVING CONDITIONED SPACES WHICH CLOSE
AUTOMATICALLY WHEN THE SYSTEM IS OFF. RETURN AIR
DAMPERS SHALL BE EQUIPPED WITH MOTORIZED DAMPERS- SEE
WSEC C402.4.5.2 FOR EXCEPTIONS AND ADDITIONAL
REQUIREMENTS.
APPLICABLE CODES
r i INTERNATIONAL MECHANICAL CODE
All work to be performed to WASHINGTON .STATE ENERGY CODE
2018 codes.
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