HomeMy WebLinkAbout1926 Corvid Way - Disclosures/Air Sealing - 09/13/2011i
Fort Collins Residential Energy Code
1AIR SEALING DISCLOSURE FORM
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(Not applicable to E-STAR or ENEP,GY SCORE rated homes)
Job address:
General contractor:
Air sealing contractor:
the building & zoning dept. of •
Community Planning and Environmental Sen ic:
281 N. College Ave., P.O. Box 580, Fort Collins, CO 80522
Voice: -70 221 6763 , FAX 970 224 6134
INSTRUCTIONS
Complete either Part A or Part B
Part A is to be signed by the air sealing contractor or representative of the general contractor.
Part B is to be signed by the blower door testing contractor or representative of the general contractor.
The "Blower Door Test Report" or equivalent documentation must be attached.
Please type or print, except for the signature.
If components vary, make multiple entries to describe them.
One copy of this form must be provided to the Building and Zoning Department prior to C. O.
One copy of this form must be provided to the original home buyer.
Prescripta�e �€ (AVSealing C6eciclis}
UWe certify that the air sealing requirements specified in the current City of Fort Collins Residential Energy Code
have been completed in this..building, in accordance with the "Air Sealing Checklist' published by the City of Fort Collins.
Person Certifying Job:
Date:
Business Firm:
Address:
Phone:
B Performance Isar (Blower Door des#}
I/We certify that this building has met the air leakage performance threshold specified in the current Fort Collins
Residential Energy Code, in accordance with the "Blower Door Test Procedures" published by the City of Fort Collins
Testing contractor:
Date of test:
CFM50: '1OS8• Air flow through the blower door at 50 Pascals pressure difference (cfm)
Volume: 027 oy Volume of home (cu. ft.)
ACH50: (a 33 Air change rate per hour at 50 Pascals pressure difference
ACH50 = (CFM50 x 60) / Volume
The performance threshold for code compliance is ACH50
not exceeding 5.0 ac/h
Person Certifying Job: 'iL
nature:
Business Firm:
Date:
AddressfA� Co/%!q,���nn MVP Aq•����
1 & / * Lam• �o�G Phone: !ice aJ3- ��iO
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BUILDING LEAKAGE TEST
� Thermal Concepts
P.O. Box 270066
Fort Collins, CO 80527
Phone: 970-223-7090
Fax: 970-223-7098
Date of Test: 9-8-11 Technician: Paul Higman
Test Fiie: Waymar 1926 Corvid Way
Customer: Waymar Group Building Address: 1926 Corvid Way
P.O. Box 272672 Fort Collins, CO 80521
Fort Collins, CO 80527
Phone 970-481-9974
Test Results
1. Airflow at 50 Pascals: 1058 CFM ( +/- 1.8%)
, (50 Pa= 0.2 w.c.) 2.33 ACH
0.37 CFM per ft2 floor area
2. Leakage Areas: 117.2 in2 ( +/-4.3%) Canadian EqLA @ 10 Pa
64.9 in2 (+/-7.3%) LBL ELA @ 4 Pa
3. Minneapolis Leakage Ratio: 0.00 CFM50 per ft2 surface area
4. Building Leakage Curve: Flow Coefficient (C) = 98.8 (+/- 12.0%)
Exponent(n) =0.606 (+/-0.034)
Correlation Coefficient= 0.99056
5. Test Settings: Test Standard: = CGSB
Test Mode: = Depressurization
Equipment= Model 3 Minneapolis Blower poor, S/N 9876
Infiltration Estimates
1. Estimated Average Annual Infiltration Rate: 62.0 CFM
0.14 ACH -
2. Estimated Design Infiltration Rate: Winter: 82.1 CFM
0.18 ACH
Summer: 48.9 CFM
0.11 ACH
3. Recommended Whole Building Mechanical 56.3 CFM
Ventilation Rate: (based on ASHRAE 62.2)
Cost Estimates
1. Estimated Cost of Air Leakage for Heating:
2. Estimated Cost of Air Leakage for Cooling:
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BUILDING LEAKAGE TEST Page 2
Date of Test: 9-8-11 Test File: Waymar 1926 Corvid Way
Building Conditions
Inside Temperature: 69 deg F Heating Fuel: Gas
Outside Temperature: 86 deg F Heating Fuel Cost:
#of Stories 1.0 Heating Efficiency:
Heating Degree Days: 6020
Wind Shield: M Cooling Fuel Cost:
#of Occupants Cooling SEER:
Cooling Degree Days: 287
#of Bedrooms: 3.0 '
Volume: 27204 ft3 Ventilation Weather Factor: 0.87
Surface Area: Energy Climate Factor: 17.0
Floor Area: 2867 ft2
Design Winter Wind Speed: 9.0 mph Design Winter Temp Diff: 69 deg F
Design Summer Wind Speed: 7.0 mph Design Summer Temp Diff: 16 deg F
Comments
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BUILDING LEAKAGE TEST Page 3
Date of Test: 9-8-11 Test File: Waymar 1926 Corvid Way
Data Points: Data Entered Manually
Nominal Temperature
Building Fan Pressure Nominal Adjusted Fan Baseline
Pressure (Pa) (Pa) Flow Flow % Error Configuration Std Dev(Pa)
-7.4 n/a +/-0.00
-50.9 28.9 980 996 1.8 Ring A
-50.5 29.2 985 1001 2.9 Ring A
-45.4 203.0 844 857 -4.9 Ring B
-40.3 186.4 809 822 -0.7 Ring B
-34.9 144.0 712 723 -2.7 Ring B
-30.6 121.3 654 664 -1.1 Ring B
-25.5 96.5 584 593 2.3 Ring B
-20.3 65.5 482 490 3.1 Ring B
-6.5 n/a +/-0.00