| 3.1203.4a
Design considerations | Glazing type will be chosen by location in the building, building height, code, and climate Window frame will be insulated and selected with thermal breaks appropriate to climate Window selection will be based on lowest air leakage rating Window selection will be based on National Fenestration Rating Council (NFRC) rating by climate Glazing with lowest feasible U-value will be specified Window glazing solar heat gain coefficient (
SHGC
SHGC
Solar heat gain coefficient
) will be selected by building orientation and climate Water management system will be maintained Windows will meet the performance standard AMAA/
WDMA
WDMA
Window and Door Manufacturers Association, www.wdma.com
/
CSA
CSA
Canadian Standards Association
/101/IS2/A440 Historic preservation requirements will be considered | Ensure the most effective and appropriate glazing system is specified |
| 3.1203.4b
Pre-Inspection | Conduct pre-inspection in accordance with SWS 2.0100.4 Work Area Inspection and Stabilization | Ensure safety, effectiveness, and durability of improvements |
| 3.1203.4c
Worker safety | All worker safety specifications will be in accordance with SWS 2.0100.3 Worker Safety | Ensure worker safety, especially in regard to fall protection considerations and contaminants found in demolition, such as asbestos, lead, polychlorinated biphenyls, etc. |
| 3.1203.4d
Occupant safety | Occupant will be notified of changes or repairs to be made An occupant safety plan will be prepared and implemented Occupant will be shown how to properly operate windows and doors Building management and occupants will be notified about the risk of a child falling from operable windows with sills located more than 72" above any surface outside window opening | Ensure occupant safety |
| 3.1203.4e
Sealant selection | Sealants will be compatible with their intended surfaces and applied in accordance with manufacturer specifications Selection will be durable, pest resistant, and have a weather-appropriate seal Indoor sealants will be low volatile organic compound (
VOC
VOC
Volatile organic compound
) products that meet independent testing and verification protocols, such as Green Seal GS-36, "GREENGUARD Children and Schools," or comparable certifications Fire-resistance-rated assemblies will be provided with sealants permitted by the authority having jurisdiction and adopted building code | Prevent intrusion of moisture and pests into the sealed assembly Prevent exposing workers or occupants to excessive
VOC
VOC
Volatile organic compound
levels Ensure sealant meets or exceeds the performance characteristics of the assembly and is compliant with local fire code requirements |
| 3.1203.4f
Window location, installation, and sealing | Glazing system frame will be aligned with the wall system's air and
thermal boundary
Thermal boundary
The separation between the interior and exterior environments of a building that slows heat flow
to create a continuous air and
thermal boundary
Thermal boundary
The separation between the interior and exterior environments of a building that slows heat flow
Glazing system will be installed in accordance with manufacturer specifications Rough opening will be prepared and sealed to the wall system's continuous air and
thermal boundary
Thermal boundary
The separation between the interior and exterior environments of a building that slows heat flow
with nonexpanding sealants When replacement windows are being installed within an existing window frame where the original sash has been removed, the window frame will be prepared and sealed to the wall system's continuous air and thermal barrier When the existing window frame has internal weight pockets, the hardware will be removed and the pocket will be insulated and sealed Glazing system will be sealed to the airtight rough opening or the airtight existing frame | Maintain a continuous air and
thermal boundary
Thermal boundary
The separation between the interior and exterior environments of a building that slows heat flow
throughout the entire wall system |
| 3.1203.4g
Quality assurance | A sampling protocol will be used to test glazing system for air leakage in accordance with
ASTM
ASTM
ASTM International, www.astm.org
E783-02 A sampling protocol will be used to test glazing system for water leakage in accordance with
ASTM
ASTM
ASTM International, www.astm.org
E1105-00 | Ensure airtight and watertight installation |
