Utility Tunnels, Trenches, and Vaults - Design, Construction, Mechanical, Electrical, and Telecom Requirements

Oct 24, 2026

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Utility Tunnels, Trenches, and Vaults defines requirements and drawing references for distributing mechanical and electrical services across the Seattle Campus. It covers design and construction fundamentals including alignment and grade, drainage, tunnel vaults, security, construction, and embedded items. It then specifies mechanical drawing scope and key systems such as steam, condensate, compressed air, and central cooling water. Electrical requirements cover cable routing, tray and clamp components, grounding, terminal cabinets, and tunnel/vault electrical systems. Telecom guidance includes UW IT fiber and the UW Facilities radio system, with drawing details for typical sections and installation specifics.

LanguageEnglish

CategoryTechnology

FormatPDF

Pages20

Reading Time50 min

AccessFree to download

UTILITY TUNNELS, TRENCHES, AND VAULTS

A. DESIGN AND CONSTRUCTION REQUIREMENTS

B. MECHANICAL

C. ELECTRICAL

D. TELECOM

E. Drawing Details

Table of Contents UTILITY TUNNELS, TRENCHES, AND VAULTS ........................................................................... 1 A. DESIGN AND CONSTRUCTION REQUIREMENTS ............................................................................................... 1 General ...................................................................................................................................................................... 1 Alignment and Grade.................................................................................................................................................2 Drainage.....................................................................................................................................................................2 Tunnel Vaults .............................................................................................................................................................2 Security ......................................................................................................................................................................3 Construction ..............................................................................................................................................................4 Embedded Items ........................................................................................................................................................4 B. MECHANICAL .................................................................................................................................................. 6 Mechanical Drawings.................................................................................................................................................6 Piping General ...........................................................................................................................................................6 Anchors, Supports, Guides.........................................................................................................................................7 Steam .........................................................................................................................................................................8 Condensate ................................................................................................................................................................8 Compressed Air..........................................................................................................................................................8 Central Cooling Water System ...................................................................................................................................8 C. ELECTRICAL ..................................................................................................................................................... 9 Electrical Drawings.....................................................................................................................................................9 Electrical Cables .........................................................................................................................................................9 Cable Trays............................................................................................................................................................... 10 Cable Clamps ........................................................................................................................................................... 11 Cable Splices and Terminations ...............................................................................................................................11 Grounding .................................................................................................

FAQs

What topics are covered under design and construction requirements for utility tunnels, trenches, and vaults?

The document covers general requirements, alignment and grade, drainage, tunnel vaults, security, construction, and embedded items.

Which mechanical systems are referenced in the mechanical requirements section?

Mechanical coverage includes steam, condensate, compressed air, and a central cooling water system, along with associated mechanical drawing references.

What telecom infrastructure is included in the telecom section?

The telecom section references UW IT fiber and the UW Facilities radio system.

Oct 24, 2026

Upload by DoDO