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23A-039 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.