---
title: Site Utilities
…258 unchanged lines
- "Pressure Class 250"
- "Pressure Class 350"
− - "Per drawings / thickness design (AWWA C150)"
default: "Pressure Class 350"
```
…19 unchanged lines
- "DR 18 — Pressure Class 235 psi"
- "DR 14 — Pressure Class 305 psi"
− - "Per drawings"
default: "DR 18 — Pressure Class 235 psi"
```
…23 unchanged lines
- "Butterfly valve, AWWA C504 (larger diameters where indicated)"
- "Tapping valve with tapping sleeve (wet tap to existing main)"
− - "Per drawings"
default: "Resilient-seated gate valve, AWWA C509/C515 (standard for distribution)"
```
…25 unchanged lines
- "PVC large-diameter (ASTM F679) — 18 in. and larger, gasketed per ASTM D3212"
- "Reinforced concrete pipe (ASTM C76), gasketed per ASTM C443"
− - "Per drawings"
default: "PVC SDR 35 (ASTM D3034) — 4 in. through 15 in., gasketed per ASTM D3212"
```
…27 unchanged lines
- "PVC pressure pipe (AWWA C900), gasketed, restrained at fittings"
- "Ductile iron (AWWA C151), lined for wastewater, restrained joints"
− - "Per drawings"
default: "HDPE (ASTM F714/D3035, PE4710), butt-fused per ASTM D2657"
```
…34 unchanged lines
- "PVC utilities duct, NEMA TC-6 & 8 (concrete-encased)"
- "HDPE duct (directional drill / continuous-length runs)"
− - "Per electrical drawings"
default: "PVC Schedule 40, NEMA TC-2 / UL 651 (concrete-encased duct bank)"
```
…12 unchanged lines
label: Duct-Bank Encasement
type: radio
+drawing_ref: "electrical drawings"
options:
- "Concrete-encased — conduits on spacers, fully encased (primary / under roadway)"
- "Direct-buried — conduits in sand/select bedding, no encasement (secondary / telecom)"
− - "Per electrical drawings"
−default: "Per electrical drawings"
+default: deferred
```
…55 unchanged lines
- "ASTM D2321 Class II — clean, well-graded sand or gravel"
- "Granular bedding shaped to pipe barrel (ductile iron)"
− - "Per drawings"
default: "ASTM D2321 Class I — open-graded crushed stone (preferred, flexible pipe)"
```
…227 unchanged lines
label: Deflection (Mandrel) Test Timing
type: radio
+drawing_ref: true
options:
- "Not earlier than 30 days after final backfill and cover load (standard)"
− - "Per utility owner / drawings"
default: "Not earlier than 30 days after final backfill and cover load (standard)"
```
…95 unchanged lines
## The installation shall satisfy the utility owner's acceptance and bonding requirements where the system is to be turned over to the public utility for ownership and maintenance.