| 3.1801.1a
Worker safety | 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. |
| 3.1801.1b
Occupant safety | An occupant safety plan will be prepared, reviewed with and approved by building operators, and implemented throughout production | Ensure occupant safety |
| 3.1801.1c
Pre-inspection | Existing roof water management system will be identified Plans will be made for future water management system Existing roof system will be evaluated to determine suitable materials and techniques that will not compromise the integrity of the roofing system and will not adversely impact warranty or serviceability of roofing system after work has been performed Nail base strategy for the perimeter of the roof will be determined to guide how the flashing and/or roof will be anchored at the exterior of the building | Ensure adequate water management system Ensure adequate roof adherence Prevent air
infiltration
Infiltration
The uncontrolled passage of outside air into a building through unintended leaks in the building envelope
between roof system and the perimeter of the building |
| 3.1801.1d
Roof covering removal | Existing roof covering will be removed | Prepare for installation of above roof deck insulation |
| 3.1801.1e
Sealing | If the existing roof deck can be used as an
air barrier
Air barrier
The separation between the interior and exterior environments of a building that slows air flow to the point that no smoke movement is visible at 50 pascals of pressure difference across the boundary
, joints, seams, holes, gaps, and penetrations will be sealed with sealants compatible with existing materials, and as approved by both sealant manufacturer and manufacturer of materials being sealed | Prevent air and water leaks |
| 3.1801.1f
Installation of insulation | Insulation will be installed in accordance with manufacturer specifications without gaps, voids, compressions, misalignments, or exposure to
wind intrusion
Wind intrusion
A condition where air from outside of a structure can pass through insulation and reduce its performance
or
UV
UV
Ultraviolet
Insulation will be installed to prescribed R-value Before rigid insulation installation, a bead of sealant will be laid along the perimeter of the roof deck to prevent air
infiltration
Infiltration
The uncontrolled passage of outside air into a building through unintended leaks in the building envelope
and again at subsequent layers of insulation board Roof and wall water management systems will be installed or maintained | Install insulation that is properly sealed so insulation performs at specified R-value Ensure adequate water management system |
| 3.1801.1g
Roof covering replacement | New roof covering will be installed in accordance with manufacturer specifications and local building code requirements | Install roof covering correctly Meet local code requirements |
| 3.1801.1h
Building operations staff education | Documentation of material and R-value will be provided to building operations staff | Building operators equipped with documentation of installation |
