Domestic Water Piping

Read revision 8

Revision 8 · Oct 12, 2026 +32 −9

Datasheet constraints: every range, checkbox and listbox field now states its direction
Showing changes from Rev 7 to Rev 8 in Domestic Water Piping.
---
title: Domestic Water Piping
…136 unchanged lines
- "Hot water return balancing shop drawings"
- "Valve schedule"
+constraint: all_of
```
…27 unchanged lines
- "Plastic piping chemical compatibility confirmation"
- "Flushing and disinfection procedure"
+constraint: all_of
```
…23 unchanged lines
- "Warranty documentation"
- "Spare parts receipt"
+constraint: all_of
```
…95 unchanged lines
max: 160
setpoints: [20, 30, 40, 50, 60, 65, 70, 80, 100, 125, 150, 160]
+constraint: exact
```
…13 unchanged lines
```datasheet
−label: Maximum Design Velocity — Cold Water
+label: Design Velocity — Cold Water
type: range
unit: ft/s
…3 unchanged lines
setpoints: [2, 3, 4, 5, 6, 7, 8, 10, 12]
default: 8
+constraint: max
```
### The maximum design velocity in hot water supply piping shall be as indicated in the datasheet.
```datasheet
−label: Maximum Design Velocity — Hot Water Supply
+label: Design Velocity — Hot Water Supply
type: range
unit: ft/s
…3 unchanged lines
setpoints: [2, 3, 4, 5, 6, 7, 8, 10]
default: 5
+constraint: max
```
### The maximum design velocity in hot water return piping shall be as indicated in the datasheet.
```datasheet
−label: Maximum Design Velocity — Hot Water Return
+label: Design Velocity — Hot Water Return
type: range
unit: ft/s
…3 unchanged lines
setpoints: [1, 2, 3, 4, 5, 6]
default: 3
+constraint: max
```
### The maximum design velocity in piping serving or passing through acoustically sensitive spaces shall be as indicated in the datasheet.
```datasheet
−label: Maximum Design Velocity — Acoustically Sensitive Areas
+label: Design Velocity — Acoustically Sensitive Areas
type: range
unit: ft/s
…2 unchanged lines
max: 8
setpoints: [1, 2, 3, 4, 5, 6, 8]
+constraint: max
```
…63 unchanged lines
```datasheet
−label: Maximum Branch Length from an Active Main to a Fixture Outlet
+label: Branch Length from an Active Main to a Fixture Outlet
type: range
unit: ft
…2 unchanged lines
max: 60
setpoints: [2, 4, 6, 8, 10, 15, 20, 25, 30, 40, 50, 60]
+constraint: max
```
…635 unchanged lines
```datasheet
−label: Maximum Uncirculated Volume to a Fixture Outlet
+label: Uncirculated Volume to a Fixture Outlet
type: range
unit: gal
…4 unchanged lines
setpoints: [0.1, 0.25, 0.5, 0.75, 1, 1.5, 2, 3, 4]
default: derived
+constraint: max
```
…263 unchanged lines
setpoints: [0.5, 0.75, 1, 1.5, 2, 2.5, 3, 4]
default: derived
+constraint: min
```
…10 unchanged lines
setpoints: [0, 0.5, 0.75, 1, 1.5, 2, 2.5, 3]
default: derived
+constraint: min
```
…123 unchanged lines
setpoints: [2, 3, 4, 6, 8, 12]
default: 4
+constraint: min
```
### The minimum cover over buried water piping shall be as indicated in the datasheet.
```datasheet
−label: Minimum Cover Over Buried Water Piping
+label: Cover Over Buried Water Piping
type: range
unit: in.
…4 unchanged lines
setpoints: [0, 6, 12, 18, 24, 30, 36, 42, 48, 60, 72, 96]
default: derived
+constraint: min
```
…48 unchanged lines
- "Written witness by the Engineer of Record"
- "A surveyed record of the as-built horizontal and vertical location"
+constraint: all_of
```
…166 unchanged lines
```datasheet
−label: Maximum Pipe Marker Spacing on Straight Runs
+label: Pipe Marker Spacing on Straight Runs
type: range
unit: ft
…3 unchanged lines
setpoints: [10, 15, 20, 25, 30, 40, 50]
default: 20
+constraint: max
```
…60 unchanged lines
setpoints: [50, 80, 100, 125, 150, 175, 200, 250, 300]
default: derived
+constraint: exact
```
…9 unchanged lines
setpoints: [0.25, 0.5, 1, 2, 4, 8, 12, 24]
default: 2
+constraint: min
```
…83 unchanged lines
setpoints: [5, 10, 25, 50, 75, 100, 150, 200]
default: 50
+constraint: min
```
…9 unchanged lines
setpoints: [0.5, 1, 3, 6, 12, 24, 48]
default: 24
+constraint: min
```
### The minimum residual disinfectant concentration at the end of the contact period shall be as indicated in the datasheet.
```datasheet
−label: Minimum Residual at the End of the Contact Period
+label: Residual at the End of the Contact Period
type: range
unit: mg/L
…3 unchanged lines
setpoints: [1, 5, 10, 25, 50, 100]
default: 25
+constraint: min
```
…81 unchanged lines
setpoints: [1, 2, 3, 5, 10]
default: 1
+constraint: min
```
…30 unchanged lines
- "One spare heat trace termination and splice kit for each circuit type installed"
- "One spare removable insulation jacket for each valve size fitted with one"
+constraint: all_of
```
…3 unchanged lines
## The Contractor shall obtain a signed receipt from the Owner for the spare parts delivered and shall include the receipt in the closeout submittals.

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