Specification History

SWS Version Created Specification ID Title Specification Objective Supporting Materials Rationale Status
Version 2025 03/02/2021 - 11:22 2.0401.1b Preparation

Remove all vegetation and organic material from area to be covered

Remove all debris that can cause injury or puncture soil-gas retarder (e.g., nails, glass, sheet metal screws, etc.)

Prevent soil-gas retarder damage

Black Line
Version 2025 03/02/2021 - 11:22 2.0401.1b Preparation

Remove all vegetation and organic material from area to be covered

Remove all debris that can cause injury or puncture soil-gas retarder (e.g., nails, glass, sheet metal screws, etc.)

Prevent soil-gas retarder damage

Black Line
Version 2025 03/02/2021 - 11:22 2.0401.1b Preparation

Remove all vegetation and organic material from area to be covered

Remove all debris that can cause injury or puncture soil-gas retarder (e.g., nails, glass, sheet metal screws, etc.)

Prevent soil-gas retarder damage

Black Line