---
title: Sanitary Waste and Vent Piping
…216 unchanged lines
- "10 inch"
- "12 inch"
− - "Per drawings"
−default: "Per drawings"
+default: deferred
```
…88 unchanged lines
label: Horizontal Branch Connection Fitting Type
type: radio
+drawing_ref: true
options:
- "Wye fitting (45-degree entry)"
- "Combination wye-and-eighth bend (45-degree entry with sweep)"
− - "Per drawings"
default: "Combination wye-and-eighth bend (45-degree entry with sweep)"
```
…14 unchanged lines
label: Closet Flange Material
type: radio
+drawing_ref: true
options:
- "Cast iron"
- "PVC (with PVC piping system)"
− - "Per drawings"
default: "Cast iron"
```
…38 unchanged lines
label: Cleanout Cover Type (Floor)
type: select
+drawing_ref: true
options:
- "Nickel bronze or cast iron, flush with finish floor, light-duty (non-traffic)"
- "Nickel bronze or cast iron, flush with finish floor, medium-duty (pedestrian traffic)"
- "Cast iron, flush with finish floor, heavy-duty (light vehicular traffic)"
- "Stainless steel, flush with finish floor"
− - "Per drawings"
default: "Nickel bronze or cast iron, flush with finish floor, medium-duty (pedestrian traffic)"
```
…51 unchanged lines
label: Floor Drain Grate Type
type: select
+drawing_ref: true
options:
- "Square heel-proof grate, nickel bronze"
…2 unchanged lines
- "Square open grate, stainless steel (food service / healthcare)"
- "Heavy-duty grate, ductile iron (vehicular areas)"
− - "Per drawings"
default: "Square heel-proof grate, nickel bronze"
```
…56 unchanged lines
type: select
unit: ft on center
+drawing_ref: true
options:
- "5 ft on center"
- "At each joint and coupling, plus at midspan of pipe lengths exceeding 5 ft"
− - "Per drawings"
default: "5 ft on center"
```
…3 unchanged lines
type: select
unit: ft on center
+drawing_ref: true
options:
- "4 ft on center maximum"
- "Per pipe manufacturer's recommendation based on temperature and pipe size"
− - "Per drawings"
default: "4 ft on center maximum"
```
…2 unchanged lines
label: Hanger Type for Horizontal Cast Iron
type: radio
+drawing_ref: true
options:
- "Clevis hanger (riser clamp at each joint)"
- "Riser clamp at joints with mid-span clevis hangers"
- "Trapeze hanger system (multiple pipes on common support)"
− - "Per drawings"
default: "Clevis hanger (riser clamp at each joint)"
```
…2 unchanged lines
label: Hanger Type for Horizontal PVC DWV
type: radio
+drawing_ref: true
options:
- "Plastic pipe clamp hanger (no constriction)"
- "Plastic-lined clevis hanger"
- "Trapeze hanger system with plastic saddle protection"
− - "Per drawings"
default: "Plastic pipe clamp hanger (no constriction)"
```
…8 unchanged lines
label: Vertical Stack Support at Floor Penetrations
type: radio
+drawing_ref: "structural drawings"
options:
- "Riser clamp below each floor slab"
- "Riser clamp through floor sleeve with clamping collar"
− - "Per structural drawings for stack chase details"
default: "Riser clamp below each floor slab"
```
…24 unchanged lines
type: select
unit: in/ft
+drawing_ref: true
options:
- "1/4 inch per foot (2 percent) — 2-inch through 2-1/2-inch pipe"
- "1/8 inch per foot (1 percent) — 3-inch through 6-inch pipe"
- "1/16 inch per foot (0.5 percent) — 8-inch and larger pipe"
− - "Per drawings (steeper slope indicated)"
default: "1/8 inch per foot (1 percent) — 3-inch through 6-inch pipe"
```
…23 unchanged lines
label: Fire-Rated Penetration Firestop Method (Plastic Pipe)
type: radio
+drawing_ref: "UL or FM assembly drawings"
options:
- "Listed intumescent collar / wrap"
- "Listed intumescent sealant with mineral wool backer"
− - "Per UL or FM listed assembly as specified on drawings"
default: "Listed intumescent collar / wrap"
```
…17 unchanged lines
label: Below-Slab Pipe Bedding
type: radio
+drawing_ref: true
options:
- "Native soil — undisturbed, shaped to pipe OD"
- "Compacted granular bedding — sand or fine gravel, 4 in. minimum below pipe"
- "Controlled low-strength material (CLSM) — where required by structural drawings"
− - "Per drawings"
default: "Compacted granular bedding — sand or fine gravel, 4 in. minimum below pipe"
```
…33 unchanged lines
label: Concrete Encasement Required
type: radio
+drawing_ref: "structural drawings"
options:
- "No — bedded and backfilled with granular material"
− - "Yes — per structural drawings"
+ - "Yes — full encasement"
- "Partial — at footing crossings only"
default: "No — bedded and backfilled with granular material"
…80 unchanged lines
label: Primary Vent Configuration
type: select
+drawing_ref: true
options:
- "Individual venting — each fixture has a separate vent"
- "Wet venting — horizontal drain serves as both drain and vent for upstream fixtures"
- "Circuit venting — a group of fixtures is served by a single circuit vent"
- "Air admittance valve (AAV) — where permitted by code and drawings"
− - "Per drawings"
−default: "Per drawings"
+default: deferred
```
…66 unchanged lines
## The warranty shall not limit or replace the Contractor's obligation to comply with all applicable code requirements and the requirements of this standard.
## A system that does not leak but was installed with incorrect slopes, improper fittings, or inadequate supports shall still be corrected at the Contractor's expense if deficiencies are discovered within the warranty period.