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Ground Level Vent Box - CGV-021
NBS BIM object standard Verified by manufacturer 2 months ago
External ground level vent box used to provide safe passage of ground gases from beneath a building to the atmosphere. Available with a range of different lid types and finishes.
Application
Designed to provide a method of venting ground gases from beneath a building, to the external atmosphere. The use of vent box is recommended where the use of alternative vent options is precluded due to the type of external wall construction i.e. cladding, glazed façades.
Description
A ground level vent box galvanized steel perforated lid designed to be connected to one of the Cordek passive gas venting systems and installed within the external landscaping.
Features and benefits:
- Various different vent box dimensions and geometries.
- Range of lid types, manufactured from either stainless or galvanized steel.
- Vent box lids available with either perforations or slots to suit project requirements and venting design.
- Supported by full range of accessories to provide robust connection to Cordek venting system.
- Include base connection to stormwater collection, land drainage or soakaway system.
- Side connection into vent box prevents surface water from entering the gas inlet.
- Removable mesh over drain outlet to prevent blockage by debris.
General information
Color | Black Silver |
Finish | Stainless Steel |
Material | Stainless steel |
Shape | Rectangle |
Length | 500 mm |
Width | 150 mm |
Height | 275 mm |
Uniclass | |
CAWS | D21/395 Ground-level vent outlets D21/42 Wall vent outlets |
Specification data - Discharge and ventilating stack terminations
Arrangement | Ground level vent box with slotted lid. |
Material | Galvanized steel. |
Free airflow | 5,994 mm². |
Size (l x diameter) | 500 x 150 mm. Length x width. |
Open air space | 5,994 mm². |
Accessories: | Not required. CGV-017 ground level vent box. |
Connection sizes | 110 mm. Gas and water outlet. |
Dimensions | 500 x 150 mm. |
Environmental information
Country of material origin | United Kingdom |
Digital objects
| Platform | Compatible | Version | Certified to |
|---|---|---|---|
 IFC | IFC2X3 | 2 | 1.3 |
 Revit | Revit 2016 | 5 | 2.0 |
Literature
Cordek VOC & Ground Gas Brochure
Cordek Ground Level Vent Box Data Sheet
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