Venting Installation instructions
Continued
CORNER INSTALLATION
Recommended Applications:
•Corner ground floor installation
•Ground floor installation where pipe vents horizontally through wall (over 12" horizontal pipe)
•Basement installation where one foot clearance from ground to termination is possible
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| Not to Exceed | 90° Elbow | Not to Exceed | |
| Square | (H) Limits |
| As Required | (H) Limits |
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| 90° | ||
| Termination |
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| Elbow | |||
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| Pipe Section |
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| Required |
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| Wall |
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| Firestop |
Wall |
| 45° |
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Firestop |
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Elbow |
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| 45° | ||
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| Elbow |
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| Vertical (V) | Required |
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| Vertical (V) | Vertical Pipe | Horizontal (H) | |
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| *43 3/4" min. | None | 30" max. | |
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| 53 3/4" min. | 1 ft. | 48" max. | |
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| 65 3/4" min. | 2 ft. | 60" max. | |
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| 77 3/4" min. | 3 ft. | 84" max. | |
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| 89 3/4" min. | 4 ft. | 20' max. | |
* Ground Floor Corner Venting
Square Termination
12" Min.
Figure 15 - Horizontal Termination Configuration for Corner Installation Using One
90° Elbow
Snorkel terminations are available for installations requiring a vertical rise on the exterior of the build- ing. If installing snorkel termination below grade, you must provide proper drainage to prevent water from entering snorkel termination (see Figure 16). Do not back fill around snorkel termination.
Snorkel |
Termination |
12" Min. |
Snorkel
Termination Wall
Firestop
90° Elbow
12" Min.
Adequate
Drainage
Snorkel
Termination
12" Min.
Figure 16 - Snorkel Termination Configurations for Below Ground Installation
12 | www.desatech.com |