---
title: Wet-Pipe Fire Sprinkler Systems
…236 unchanged lines
- "Extra Hazard Group 1"
- "Extra Hazard Group 2"
− - "Multiple hazard areas — see drawings"
default: "Ordinary Hazard Group 1"
```
…340 unchanged lines
- "Extended coverage pendant"
- "Extended coverage upright"
− - "Multiple types — see drawings"
default: "Standard pendant"
```
…77 unchanged lines
label: Sprinkler K-Factor
type: select
+drawing_ref: true
options:
- "K-2.8 (1/2 in. orifice)"
…3 unchanged lines
- "K-11.2 (extra large orifice)"
- "K-14.0"
− - "Multiple K-factors — see drawings"
default: "K-5.6 (17/32 in. orifice, standard commercial)"
```
…14 unchanged lines
label: Sprinkler Finish
type: select
+drawing_ref: true
options:
- "Natural brass"
…3 unchanged lines
- "Wax-coated (corrosive atmospheres)"
- "Lead-coated (corrosive atmospheres)"
− - "Per drawings — vary by area"
default: "Natural brass"
```
…11 unchanged lines
- "200 sq ft (Light Hazard — standard spray)"
- "225 sq ft (Light Hazard — standard spray, maximum)"
− - "Per extended coverage listing — see drawings"
default: "130 sq ft (Ordinary Hazard — standard spray)"
```
…706 unchanged lines
### Impairment procedures shall be documented in the operations and maintenance manual.