20120152 Duct Leak Affid 06262012Duct Leakage Affidavit
Permit #: o'>CIZG'I5�___, 7^
House address or lot number:. LPL(, J �t✓I LLl � � S c
City: N 1 l q Zip:
Cond. FloorArea (ft): 1 I ;J CJ Source (circle one): ( / ans Estimated Munaurad
❑ Duct tightness testing Is not required for this residence per ekceptions listed at the and of this document
Air Handier in conditioned space? ❑ yes no
Circle Test Method: Lookago to Outside
Air Handler present during test? 2jes ❑ no
eakag �
Maximum duct leakage.
Post Construction, total duct leakago: (flour nrnn x.08) _ _IZ!i CFM @25 Pa
Post Construction, leakage to outdoors: (floor neon x ,Oil) CFMn25 Pa
Rough In, total duct leakage with air handler Installed: (flour nrnn x,00)1 _CFM @25 Pa
Rough -In, total dt ctTeaTcage wit 1►—aiV _aaodlernof installed: (floor nroa x.04) _ __= CFM @25 Pn
Test Result: 81 r (Q CFM025Pa
Ring (circle one if applicable): Open
Duct Tester Location: - K Ifs Tw_4) J(42
3 .
Pressure Trip Location: l� ✓!^ !!i �y„ i4 l l
1 certify that these duct leakage rates are accurate and detornilhod using standard duct testing protocol.
,,Compahy Name: — - I'uchnlolan:
Technician Signature:
Date: !Q Phone Number:
Washington State Energy code reference:
503.10.3 Sealing. All ducts, air handlers, filter boxes, and building cnvitles used as ducts shall be sealed. Joints and ssnms shall comply
with Section M1601.3 of the Internadonal Realdentlal Code or 603.9 of the Intemafional Mechanical Code. Duct tlghlnsss testing shall be
conducted to verify that the ducts are sealed. A signed affidavit documenting the test results shall be provided to the furladlcllon having
authority by the testing agent. When required by the building official, the test shall be conducted In the presence of derailment staff.
Exceptions: 1. Duct tightness test is not required if the air handler and all ducts are located within conditioned space. .
2. Duct testing is not required If th6 furnace is a nondirect vent type combustion appliance Installed It an unconditioned space.
A maximum of six feet of connected ductwork in the unconditioned space is allowed. All additional supply and returd duds
shall be within the conditioned space. Duds outside the conditioned space shall be seated with a mast(o type duct sealant and
insulated on the exterior with R -8 insulation for above grade ducts and R5 water resistant insulation when within a slab or
earth.