38B-314 dr and wind specFrom: Kerry Dietz <kerryd@dietzarch.com>
Date: Fri, 1 Nov 2013 18:39:39 +0000
To: Northampton Housing <jhite@hamphousing.org>
Conversation: window and door projects
Subject: RE: window and door projects
Here’s the spec information on the doors proposed:
A. Insulated Heavy-Duty Doors and Frames: SDI A250.8, Level 2. At locations indicated in the Door and Frame Schedule.
1. Basis of Design: Imperial (IU) Urethane Core Door with Series SQT/SRT Thermal Break Frames, Ceco Door Products.
2. Physical Performance: Level B according to SDI A250.4.
3. Doors:
a. Type: As indicated in the Door and Frame Schedule.
b. Thickness: 1-3/4 inches
c. Face: Metallic-coated steel sheet, minimum thickness of 0.042 inch, with minimum A40 coating.
d. Edge Construction: Model 2, Seamless.
e. Core: Manufacturer's standard polyurethane core.
f. Thermal performance: R-11.
4. Frames:
a. Materials: Metallic-coated steel sheet, minimum thickness of 0.053 inch, with minimum A40 coating.
b. Construction: Knocked down.
c. Thermal performance: Thermally broken frame.
5. Exposed Finish: Prime.
Here’s the information on the windows:
1.2 WINDOW PERFORMANCE REQUIREMENTS
A. Product Standard: Comply with AAMA/WDMA/CSA 101/I.S.2/A440 for definitions and minimum standards of performance, materials, components, accessories, and fabrication unless
more stringent requirements are indicated.
1. Window Certification: WDMA certified with label attached to each window.
B. Performance Class and Grade: AAMA/WDMA/CSA 101/I.S.2/A440 as follows:
1. Minimum Performance Class: R.
2. Minimum Performance Grade: 40.
C. Thermal Transmittance: NFRC 100 maximum whole-window U-factor of 0.27 Btu/sq. ft. x h x deg F for double hung windows and .22 Btu/sq. ft. x h x deg F for projected windows.
D. Solar Heat-Gain Coefficient (SHGC): NFRC 200 maximum whole-window SHGC of 0.28 for double hung windows and 0.31 for projected windows.
Windows to be provided are National Vinyl LLC, Northwind III.