| |
Canadian Skylight Specifications
|
| |
Sample
Specification Sheet |
This is
a sample of a typical Canadian skylight specification report
you will recieve from the Skylight Doctor done to ensure the
correct Canadian skylight model / design that should be used
and also to confirm proper execution of installation. |
SPECIFICATION |
Canadian
Skylights Division 7810 |
PART (1) - GENERAL |
|
1.1 Related Work |
|
|
A. Design and fabrication of VELUX skylights
and sun tunnels. |
|
B. Glazing material. |
|
C. All related flashings. |
|
D. Complete installation details. |
|
1.2 Shop Drawings |
|
|
A. Submit shop drawings in accordance with
Section. (01300 - Shop Drawings, Product Data,
Samples and Mock-ups) |
|
B. Indicate size and description of components,
materials, attachment devices, description of
frame and finish, and construction details. |
|
1.3 Performance Requirements |
|
|
A. The Canadian skylight structure shall be
designed to meet the requirements prescribed by
the governing building codes. |
|
B. ASTM and CGSB standards will be adhered
to. |
|
1.4 Warranty |
|
| |
1.5 Fabrication |
|
|
A. Directly follow Canadian skylight manufacturers
specifications and standards. |
|
1.6 Approval |
|
|
A. Skylights to have approval of National,
Provincial and Municipal building codes. |
|
PART (2) - PRODUCTS |
|
2.1 Manufacturer |
|
|
A. To be provided pending spec / plan / design. |
|
2.2 Frame Finish |
|
|
A. Class A - Aluminum - finshed to be: kynar
500 - clear anodized - duranar - duracron or as
per consultants sample. |
| |
B. Glazing as per architects designation |
|
2.3 Maintenance Data |
|
|
A. Provide maintenance data for cleaning and
maintenance of incorporation into manual specified
in Section [01730 - Operation and Maintenance
Manual]. |
|
PART (3) - EXECUTION |
|
3.1 Installation |
|
|
A. Install skylights in accordance with CAN/CGSB-63.14
and supplement as follows:
- Erect components plumb, level and in proper
alignment.
- Ensure continuity of envelope air barrier and
vapour retarder systems.
- Secure [ preformed curb assembly] [brake formed
metal curb] to structure.
- Adjust and seal assembly with provision for
expansion and contraction of components.
- Secure and seal frame professionally waterproof
as per manufacturers instructions. |
|
END OF SECTION |
|
|
|
| |
Reference
Standards |
A. |
ANSI/ASTM E 283 - Rate of Air Leakage Through Exterior
Windows, Curtain Walls, and Doors. |
B. |
ANSI/ASTM E 330 - Structural Performance of Exterior
Windows, Curtain Walls, and Doors. |
C. |
ANSI/ASTM E 331 - Test Method for Water Penetration
of Exterior Windows, Curtain Walls, and Doors by Static
Air Pressure Difference. |
D. |
AAMA/WDMA 1600/IS7 - Voluntary Specifications for
Skylights. |
E. |
ANSI/ASTM E 1886 - Standard Test Method for Performance
of Exterior Windows, Curtain Walls, Doors, and Storm
Shutters Impacted by Windborne Debris in Hurricanes.
(impact glazing only) |
F. |
ICBO Evaluation Services Acceptance Criteria AC
17 - Acceptance Criteria for Sloped Glass Glazing in
Solariums, Patio Covers, and Prefabricated Skylights. |
G. |
National Fanestration Rating Council, NFRC - 100,
Procedure for determining Fenestration Product U-factors. |
H. |
National Fenestration Rating Council. NFRC - 200,
Procedure for Determining Fenstration Product Solar
Heat Gain Coefficients at Normal Incidence. |
|
|
| |
Performance
Requirements |
A. |
Nation Evaluation Report NER - 550 - Model FCM fixed
curb mount skylight to withstand dead and live loads
caused by pressure and uplift of wind acting normal
to plane of roof as tested in accordance with ICBO Evaluation
Service Criteria AC-17 to a download pressure of 1.92
KPs - 5.79 KPa (40 - 121 psf) and an uplift pressure
of 2.15 KPa - 5.27 KPa (45 - 110 psf) as measured in
accordance with ANSI/ASTM E 330 |
B. |
Limit member deflection to flexure limit of glass
with full recovery of glazing materials. |
C. |
System to accommodate, without damage to components
or deterioration of seals, movement between I.G. unit
and perimeter sealant. |
D. |
Air leakage through assembly limited to 1.02 L/s/m
squared(0.2 cfm/ft squared) measured at a reference
differential pressure across assembly of 75 Pa (157
psf) as measured in accordance with AAMA/WDMA/1600/IS7
and ANSI/ASTM E 283. |
E. |
Water infiltration: No water penetration noted when
measured in accordance with AAMA/WDMA/1600/IS7 and ANSI/ASTM
E 331 with a test pressure differential of 140 Pa (2.92
psf) |
F. |
Weep drainage system designed to channel water
entering joints, condensation occuring in glazing channel,
or migrating moisture occuring within system to exterior
by means of sanoprene gasket with integrated condensation
gutter. |
G. |
Thermal Performance: Tested, certified and labeled
in accordance with NFRC 100 and 200 prodcedures, Model
FCM has u-factor values of 0.40 and SHGC ratings of
0.34. |
H. |
Model FCM with impact glazing (0099 69): Tested
and certified in accordance with ANSI/ASTM E 1886 and
ANSI/ASTM E 1996-02 |
F. |
Fall Protection: Model FCM with laminated glass
(0074) tested to meet or exceed the intent of OSHA 29
CFR 1910.23(e)(8) for fall protection. Model FCM tested
to 1400 ft/lbs with no glass breakage. |
|
|
| |
Typical
Sloping Skylight Shaft |
|
|
|
| |
|
