HomeMy WebLinkAbout1080 W Lake St - Disclosures/Blower Door Test - 03/24/2020Air Infiltration Test Packet
The Sunshine House
1080 W. Lake Street
Fort Collins, CO 80521
GCH Construction
Phone: (970) 449-1612
Email: buildingperformance@gsservices.com
March 24, 2020
Executive Summary
Building Name: The Sunshine House
Building Address: 1080 W. Lake Street, Fort Collins, CO 80521
Prime Contractor: GCH Construction Contact: Rocky Ernest (719) 651-8228
Date Built: 2020 Elevation: 5000 Ft. Usage Type: Childcare Center
Floor Area of Conditioned Space: 10,955 Sq. Ft. Volume for Conditioned Space: 164,325 Ft3
Surface Area: 27018 Sq. Ft.
Type of Construction & Air Barrier Material: Wood consgruction, slab on grade, air barier was exterior sheathing,
stego underslab * roof decking with TPO at RTU well.
Building Enclosure Area includes: Open building with framed walls. Tested prior to interior drywall – All holes &
penetrations through air barrier were in place.
Testing Agency: GS Services, LTD. Phone: (970) 698-1069
Address: 309 Lincoln Court, Ft. Collins, CO 80524
Testing Agency Contact: Paul Higman Phone: (970) 698-1069
Test Date: March 24, 2020 Testing Protocol: E779-10
Test Targets: Metric: CFM75/Sq. Ft. Requirement: Actual <0.25 CFM75/Sq. Ft.
Deviations from Test: None
___________________________________________________________________________________________
Combined Results: Metric: CFM75/Sq. Ft. Actual: 0.179 CFM75/Sq. Ft.
PASS: ____X_____ FAIL:__________
Table of Contents
Cover Sheet
Executive summary
Reports
Pictures
Weather Data & Checklist
Testing Conditions: Beautiful, clear & sunny day.
____________________________________________________________________________________
Weather Data:
Time Indoor
Temp
Outdoor
Temp
Delta T Wind
Speed
Wind
Direction
RH%
Pre: 10:00 AM 50 48 2 0 0 48
Post: 10:50 AM 50 50 0 3 East 44
Set Up Checklist:
1 Confirm HVAC shutdown/disabling X 7 Confirm all outlets at the enclosure
perimeter are sealed or isolated
X
2 Confirm all dampers in the enclosure
perimater are closed and/or isolated
X 8 Note rain or snow conditions that may
be affecting leakage of walls
X
3 Confirm exhaust fans & dryers are off &
isolated at the enclosure level
X 9 Confirm exteriror doors & windows are
enclosed and latched
X
4 Confirm combustion appliances are on pilot
or are disabled
X 10 Confirm ambient conditions provided
are outside of air barrier envelope
X
5 Confirm all air inlets at the enclosure
perimeter are sealed & isolated
X 11 Confirm all plumbing traps are filled
with water
X
6 Confirm all interior doors are propped open X 12 Confirm dropped ceiling tiles are
removed at specified rate
X
Multi - Fan Pressure Measurement Location Configuration
Project: GCH - 1080 W. Lake Street Date: 3/24/2020
Time: 10:00 AM
Envelope Pressures
Device Name
Channel
Location
wrt
Location
22712 A Bldg. North wrt North
1818 A Bldg. South wrt East
41761 A Bldg. South wrt South
22712 B Bldg. North wrt West
Uniform Building Interior Pressure verification at Pascals
Building Interior
Location
Pressure reading
Bldg. South -39.6
Bldg. South -39.0
Bldg. North -39.3
Bldg. North -39.5
Label Name
South Exterior
East Exterior
West Exterior
North Exterior
Within 10% of induced envelope
pressure
Yes
Yes
Yes
Yes
OPEN BUILDING
EQUIPMENT & CALIBRATION SHEET
Gage Model Serial # Accuracy Calibration Date
1 DG 700 41761 98% 12/26/18
2 DG 700 1818 100% 11/5/18
3 DG 700 22712 100% 3/1/19
Fan Model Serial # Accuracy Calibration Date
1 Model 3 (110 V) 33874 100% 3/13/20
2 Model 3 (110 V) 29628 100% 3/13/20
USACE Airtightness Report
Building Details
Building Name
Building Address
Prime Contractor
Contact
Testing Agency
Testing Agency Address
Testing Agency Contact
Additional Building Details:
Lead On-Site Personnel
Testing Agency E-mail
Testing Agency Phone #
Name Organization Phone Number
Witnesses
Sunshine House
1080 West Lake Street
GCH Construction Company
Rocky Ernest
GS Services LTD
309 Lincoln Ct
Paul Higman
(970) 698-1069
BuildingPerformance@GSServices.com
Wood with TPO construction, at RTU well. Slab on Grade, Air Barrier was exterior sheathing, Stego underslab, and roof decking
Phone
Page 1
Results
Depressurization Coefficient
Depressurization Exponent (nD)
CFM @ -75 Pa
CFM @ -75/Sq ft
Correlation Coefficient (r^2)
Confidence Depressurization Interval ONLY (for test)
Depressurization Test
Average CFM75
Confidence Interval (for both tests)
Pass/Fail Target Airtightness?
EqLA75
4379 cfm +/- 0.6 %
341.9 cfm/Pa^n +/- 4.7 %
.591 +/- 0.012
4832 cfm +/- 0.7 %
0.162 +/- 0.001
0.9990
0.161 to 0.163
0.177 to 0.180
3.3 sq ft +/- 1.1 %
Pass
Average CFM75/Sq ft 0.179 +/- 0.002
Pressurization Coefficient Cp
Pressurization Exponent (nP)
CFM @ 75 Pa
CFM @ 75/Sq ft
Correlation Coefficient (r^2)
Confidence Pressurization Interval ONLY (for test)
Pressurization Test
5285 cfm +/- 1.1 %
356.6 cfm/Pa^n +/- 8.9 %
.624 +/- 0.022
0.196 +/- 0.002
0.9974
0.193 to 0.198
* Depressurization test included an induced building envelope pressure less than -25 Pa
Deviations From Standard
Target CFM75/Sq ft 0.25
Page 2
Serial Number
DG700-41761
DG700-22712
DG700-1818
Calibration Date
12/26/18
03/01/19
11/05/18
Instrumentation Details - Gauges
Gauge 1
Gauge 2
Gauge 3
The Digital published Pressure accuracy Gauges of are The accurate Energy to Conservatory +/- 1% of reading instrumentation or 0.15 Pa, whichever is as follows: is greater. DG500/APT
DG700/Test DG1000 Devices
are +/- 2% accurate of reading to +/- from 1% of +/reading - 850 Pa or to 0.+2 /- Pa, 2000 whichever Pa. is greater, from 0 to +/- 850 Pa. The APT is accurate to
Page 3
Serial Number Calibration Date
BD Mod 3-33874
BD Mod 3-29628
Instrumentation Details - Fans
N/A
N/A
Fan 1
Fan 2
The published accuracy of The Energy Conservatory fans is +/- 3% of reading.
Page 4
Test Date 03-24-2020
Building Elevation (ft above sea level)
Building Height Above Grade (ft)
Exterior Pressures Configuration
Operator Location
Test Temperatures (F)
Tests Conducted
Test Conditions and Configuration
Test Boundary Surface Area (sq ft)
Pre-Test Inside Temperature
5000
15
27018
Electronically averaged
Inside
Pressurization and Depressurization
Pre-Test Outside Temperature
Post-Test Inside Temperature
Post-Test Outside Temperature
50.0
48.0
50.0
50.0
48.0
50.0
48.0
50.0
Depressurization Test Pressurization Test
Additional Test Notes:
Tested after all penetrations were in the Air Barrier and Air Barrier was intact. Pre-Drywall
Equipment Configuration
DG700-DG700-41761 41761
DG700-DG700-22712 22712
DG700-DG700-1818 1818
Gauge Channel Channel Type Channel Label
BA
BA
BA
Envelope Model 3 Fan Pressure Flow (#33874)
Envelope Envelope Pressure Pressure
Envelope Model 3 Fan Pressure Flow (#29628)
Ext Upper East Fan
Ext Ext West North
Ext Lower South Fan
Page 5
Nominal Building Envelope Pressure Points and Fan Flows
Test Point Envelope Average Pressure Nominal (Pa)
Total Flow Nominal (CFM) Fan
1 2 ((D) D)
3 4 ((D) D)
5 6 ((D) D)
7 8 ((D) D)
10 9 ((D) D)
11 12 ((D) D)
13 14 ((D) D)
15 16 ((P) P)
17 18 ((P) P)
19 20 ((P) P)
21 22 ((P) P)
--79.77.7 1
--74.68.1 2
--63.59.6 0
--57.53.4 9
--50.46.5 1
--40.34.4 7
--27.24.5 4
80.76.4 1
75.70.1 4
65.60.4 4
55.50.6 3
4536 4423
4310 4110
3943 3754
3647 3536
3404 3233
2996 2775
2375 2233
5466 5274
5270 4986
4842 4630
4417 4148
Baseline Building Envelope Pressure Points (Pa)
Baseline Averages (Pa)
--0.0.5 1
--0.0.4 2
0.0.1 2
-0.0.2 1
0.0.2 1
0.0.2 1
Depressurization Test Pressurization Test
--0.0.4 7
--1.0.3 8
--0.0.7 5
--1.1.2 7
--1.2.8 7
--2.1.0 3
- 0.1 -1.3
--0.0.3 4
--0.1.1 1
--1.1.9 0
--0.0.9 3
--0.0.8 4
--1.0.1 9
-0.8
Pre-test Post-test
23 24 ((P) P)
25 26 ((P) P)
45.35.1 3
30.25.0 7
3938 3239
2998 2698
Page 7
Interior Building Pressures During Test (Pa)
Interior Bulding Pressures Legend
Page 8
ASTM E779-10 Corrected Envelope Pressures and Flows
--79.76.3 7
--73.67.6 8
--63.58.2 6
--57.53.0 5
--50.45.1 7
--40.34.0 3
--27.24.1 0
80.76.9 6
75.70.6 9
65.60.9 8
56.50.1 8
45.35.6 8
30.26.5 2
Test Point
1 2 ((D) D)
3 4 ((D) D)
5 6 ((D) D)
7 8 ((D) D)
10 9 ((D) D)
11 12 ((D) D)
13 14 ((D) D)
15 16 ((P) P)
17 18 ((P) P)
19 20 ((P) P)
21 22 ((P) P)
23 24 ((P) P)
25 26 ((P) P)
Envelope Average Pressure Induced (Pa)
Total Flow Corrected (CFM) Fan
4568 4454
4340 4138
3970 3780
3672 3560
3428 3256
3016 2794
2392 2248
5511 5318
5314 5028
4882 4668
4454 4182
3971 3266
3022 2720
Page 9
Airtightness Test Graph
Figure 1: Depressurization and Pressurization Tests
Page 10
Command Station Exterior DG 700 - 22712
Blower Door Setup Upper DG 700 - 41761
West Elevation North Elevation
Exterior North Exterior West
East Elevation
South Elevation Interior with sealed exhaust vents
-0.0.1 3
0.0.4 4
0.0.0 5
0.0.1 3
0.0.6 2
0.0.3 8
Pre-test Post-test
0.3
Baseline Length (seconds)
120 120 120 120
Test Data
Test Average (Pa)
-0.4
Test Average (Pa)
-0.5
Page 6