SUBSTRUCTURE - ELECTRIC CONSTRUCTION STANDARDS - TABLE OF CONTENTS - General, Installation Guide, and Design Sections

Nov 4, 2026

Substructure Electric Construction Standards provide an organized table of contents for underground electrical work, covering installation guidance, general information, and service connection requirements. The document lays out guidelines for excavation, trenching, staking, backfill, concrete, compaction, and workmanship, including inspection and change handling. It also specifies safety and environmental references, typical trench and service trench details, street crossing clearances, equipment location practices, and conduit selection with multiple cable and load factor tables.

LanguageEnglish

CategoryTechnology

FormatPDF

Pages13

Reading Time33 min

AccessFree to download

SECTION 1 GENERAL INFORMATION CONTENTS

ELECTRIC SUBSTRUCTURES INSTALLATION GUIDE INFORMATION-INFO

GENERAL INFORMATION TO VOLUME HOLDERS SHEET 1.2.2

PURPOSE SHEET 1.3.3

APPLICATION FOR SERVICE SHEET 1.3.3

COMMERCIAL AND INDUSTRIAL SERVICE INFORMATION SHEET 1.3.4

SERVICE CONNECTION AND SEALING SHEET 1.3.4

CALL BEFORE YOU DIG UNDERGROUND SERVICE ALERT-GENERAL #2

SECTION 2 GUIDELINES CONTENT

INSTALLATION OF U/G ELECTRICAL FACILITIES

IN RESIDENTIAL SUBDIVISIONS-RU0005U

SECTION 3 STAKING AND TRENCHING CONTENTS

UNDERGROUND FACILITIES STAKING REQUIREMENTS-GI0001U

EXCAVATION AND TRENCHING SAFETY REQUIREMENTS-GI0003U

TRENCH BEDDING & BACKFILL SPECIFICATIONS-SUB01X

TRENCH EXCAVATION STANDARDS-TE0001U

TYPICAL TRENCH DETAILS-TE0003U

STREET CROSSING AND UTILITIES LOCATION DETAIL-TE0004U

REFURBISHMENT TRENCH DETAIL-TE0005U

EQUIPMENT LOCATION DETAILS-TE0020U

SECTION 4 CONDUIT CONTENTS

600 VOLT UNDERGROUND CABLE & CONDUIT SELECTION GUIDE-CB0003U

TABLES AND DESIGN LIMITS

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SUBSTRUCTURE
ELECTRIC CONSTRUCTION STANDARDS
TABLE OF CONTENTS
SECTION 1 GENERAL INFORMATION CONTENTS
ELECTRIC SUBSTRUCTURES INSTALLATION GUIDE INFORMATION-INFO
GENERAL INFORMATION TO VOLUME HOLDERS SHEET 1.2.2
ELECTRIC INSTALL GUIDE-GENERAL \#1
PURPOSE SHEET 1.3.3
APPLICATION FOR SERVICE SHEET 1.3.3
COMMERCIAL AND INDUSTRIAL SERVICE INFORMATION SHEET 1.3.4
SERVICE CONNECTION AND SEALING SHEET 1.3.4
CHANGE IN REQUIREMENTS ....................................................................................................... SHEET 1.3.4
CALL BEFORE YOU DIG UNDERGROUND SERVICE ALERT-GENERAL \#2
UNDERGROUND SERVICE ALERT INSTRUCTIONS SHEET 1.4.5
SECTION 2 GUIDELINES CONTENT
INSTALLATION OF U/G ELECTRICAL FACILITIES
IN RESIDENTIAL SUBDIVISIONS-RU0005U
INDEX SHEET 2.2.2
PURPOSE SHEET 2.2.2
DEFINITIONS SHEET 2.2.2
SCOPE OF WORK SHEET 2.2.3
INSPECTION AND PERFORMANCE SHEET 2.2.4
CHANGES SHEET 2.2.4
EXCAVATION SHEET 2.2.5
BACKFILL SHEET 2.2.5
CONCRETE SHEET 2.2.5
COMPACTION SHEET 2.2.6
WORKMANSHIP SHEET 2.2.6
INSPECTION PUNCHLIST SHEET 2.2.7 | | | | | | | | --- | --- | --- | --- | --- | --- | --- | | Liberty Utilities􀂊 | | | | | ENGINEERING & CONSTRUCTION STANDARD | 0.1.1 OF 13 | | | | | | | SUBSTRUCTURE ELECTRIC CONSTRUCTION TABLE OF CONTENTS | | | | | | | | | SUBSTRUCTURE | | | | | | | | DRAWING NUMBER
TOC | | DRAWN | DESIGN | SUPR | DATE | REV | | | | LL | ET | JM | 08/17 | 04 | | | |
SECTION 3 STAKING AND TRENCHING CONTENTS
UNDERGROUND FACILITIES STAKING REQUIREMENTS-GI0001U
INDEX SHEET 3.2.3 PURPOSE SHEET 3.2.3 GENERAL SHEET 3.2.3 STAKING PROCEDURE SHEET 3.2.3 LU/DEVELOPER COORDINATION ............................................................................................... SHEET 3.2.4 ELECTRIC STAKING DETAIL SHEET 3.2.5 DEVELOPER RESPONSIBILITIES SHEET 3.2.6 EXAMPLES OF STAKE LETTERING SHEET 3.2.6
SUBDIVISION PUBLIC UTILITY EASEMENT STAKING DETAIL-GI0002U
SUBDIVISION PUBLIC UTILITY EASEMENT STAKING DETAIL DRAWING SHEET 3.2.7
EXCAVATION AND TRENCHING SAFETY REQUIREMENTS-GI0003U
INDEX SHEET 3.3.8 PURPOSE SHEET 3.3.8 GENERAL EXCAVATION REQUIREMENTS .............................................................................. SHEET 3.3.8 SPECIFIC TRENCHING REQUIREMENTS .................................................................................. SHEET 3.3.9 REFERENCES SHEET 3.3.10 TABLE I-MINIMUM SLOPING REQUIREMENTS DETAIL ................. SHEET 3.3.11
TABLE II-MINIMUM SHORING REQUIREMENTS DETAIL ...............SHEET 3.3.11
TRENCH BEDDING & BACKFILL SPECIFICATIONS-SUB01X
INDEX SHEET 3.4.12 PURPOSE SHEET 3.4.12 GENERAL SHEET 3.4.12 MATERIALS SHEET 3.4.13 CONSTRUCTION SHEET 3.4.17 FIELD SAMPLING AND TESTING SHEET 3.4.18
TRENCH EXCAVATION STANDARDS-TE0001U
INDEX SHEET 3.5.20 PURPOSE SHEET 3.5.20 GENERAL SHEET 3.5.20 TRENCHING GUIDELINES SHEET 3.5.20 SAFETY SHEET 3.5.22 ENVIRONMENTAL SHEET 3.5.23 BOX / VAULT JUNCTION ENCLOSURE INSTALLATION ...................................................... SHEET 3.5.23 PAD INSTALLATION SHEET 3.5.26 STREET LIGHT INSTALLATION SHEET 3.5.26
TYPICAL TRENCH DETAILS-TE0003U
TYPICAL TRENCH DETAILS-GENERAL NOTES SHEET 3.6.30 TYPICAL SERVICE TRENCH DETAIL DRAWINGS SHEET 3.6.32 TYPICAL MAIN TRENCH DETAIL DRAWINGS SHEET 3.6.33 | | | | | | | | --- | --- | --- | --- | --- | --- | --- | | Liberty Utilities􀂊 | | | | | ENGINEERING & CONSTRUCTION STANDARD | 0.1.2 OF 13 | | | | | | | SUBSTRUCTURE ELECTRIC CONSTRUCTION TABLE OF CONTENTS | SUBSTRUCTURE | | | | | | | | DRAWING NUMBER
TOC | | DRAWN | DESIGN | SUPR | DATE | REV | | | | LL | ET | JM | 08/17 | 04 | | | | STREET CROSSING AND UTILITIES LOCATION DETAIL-TE0004U
STREET CROSSING AND UTILITIES LOCATION DRAWING SHEET 3.7.34 CLEARANCES WITH THE STREET CROSSING LOC

FAQs

What topics are included in the general information section of the standards?

The table of contents lists installation guide information, volume holder general information, purpose, service application, commercial and industrial service information, service connection and sealing, and underground service alert instructions.

Which staking and trenching areas are covered?

It covers underground facilities staking requirements, subdivision public utility easement staking details, excavation and trenching safety requirements, trench bedding and backfill specifications, trench excavation standards, typical trench details, and street crossing and utilities location details.

What does the conduit section specify?

The conduit section focuses on a 600 volt underground cable and conduit selection guide, including discussion, application notes, and multiple tables for service configurations, cable length limits, ampacities, and design limit factors.

Nov 4, 2026

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