Commercial Design Specifications

In order to make the design and construction process as quick and problem free as possible, Hydro Ottawa provides its standard construction drawings free of charge to developers, contractors and consultants.

Please note these drawings remain the intellectual property of Hydro Ottawa and should only be used as construction references. There are many drawings still in development. As they become available, they will be posted to the site.

Spec IDSpecification TitleRev
ECG0003Residential Secondary Service Typical Ownership Demarcation
 
2
ECG0008Distribution System Voltage & Power Quality
 
5
ECP0020Electrical Vehicle Charging Connection Procedures for Commercial Customers0
ECS0023Un-metered Service Conditions, Connections & Upgrades
 
6
ECS0031Digital Base Mapping Requirements for Electrical Servicing
 
2
ECS0043Underground Primary Service Typical Customer Owned Switchgear Layout
 
0
GCG0001Installation & Testing of Underground Primary and Secondary Power Cables Prior to Energization
 
5
GCS0002Primary Voltage Services
 
3
GCS0005Installation of Civil Works for Underground Distribution
 
11
GCS0008Secondary Voltage Revenue Metering Specification
 
6
GCS0032Primary Revenue Metering Specification
 
1
GCS0038 Trees in Proximity to Hydro Ottawa Underground Structures
 
0
GMS0003Low Profile, Single Phase, Dead Front Pad-Mounted Distribution Transformer
 
2
GMS0005Underground Secondary Cable Specification
 
2
GMS0008Underground Medium Voltage TRXLPE and EPR Concentric Neutral Cable
 
4
GMS0025Pole Mounted Single Phase MV-MV Distribution Transformers Specification
 
1
GQS0002Civil Contractor Qualifications To Work On or Around Hydro Ottawa Electrical Underground Distribution System4
 
GQS0008Contractor Qualifications To Work On or Around Hydro Ottawa Electrical Overhead Distribution System1
 
GQS0009Permitted Fibre Contractor Requirements0
 
MCS0055Multiple Customer Metering System Installation Requirements By The Owner For a New Building
 
1
UDS0013Temporary and Permanent Support of Hydro Ottawa Duct Banks When Undercut by an Excavation
 
1
UDS0022Protecting Electrical Distribution Plant & Support Structures From Vibrations Caused by Construction Activity
 
4
UDS0027Duct Pole Lateral for Self Supporting Concrete Pole – Construction Detail
 
1
No.Drawing TitleRev
ECG0001Commercial Secondary Ownership Guideline

1

ECG0004Unmetered Secondary Ownership Guideline

1

ECG0005Commercial Primary Service Electrical Ownership Demarcation Customer Owned Transformer

1

ECG0008Distribution System Voltage and Power Quality

3

ECG0009Commercial Primary Service Electrical Ownership Demarcation Hydro Owned Transformer

4

ECS002715A @ 120V Receptacle on Utility Pole For Occasional Use Decorative Lighting – Construction Detail

1

MCS0105AGR/COM/ERF/RES Minimum Clearances Next to Revenue Metering Equipment – Construction Detail

1

MCS0106AGR/COM/ERF/RES Minimum Clearance in Front of Revenue Metering Equipment – Construction Detail

4

MCS0103COM 120V/208Y or 347V/600Y, 3PH, 4W, ≤200A Sub-Services, Customer Owned Outdoor Meter Centre or Switchboard with Check Metering – Construction Detail

0

MCS0017120V/208Y AND 347V/600Y, 3PH, 4W, >200A to 600A Interval Metering with IT Cabinet

6

MCS0096COM 120V/208Y or 347V/600Y, 3PH, 4W, 100A to 200A Secondary Service with Meter Socket Construction and Wiring Detail – Construction Detail

1

MCS0099Outdoor Customer Owned Enclosure Housing HOL Metering Equipment

2

MCS0074COM 120V/240V, 1PH, 3W, ≤100A Temporary UG Unmetered Load Monitoring Facility – Construction Detail

1

MCS0091COM 120V/240V, 1PH, 3W, ≤200A Secondary Service with Meter Socket Wiring Detail – Construction Detail

1

MCS0082COM 120V/240V, 1PH, 3W, 400A Secondary Metered Utility Tower Service with 6-Position Ganged Meter Trough – Construction Detail

1

MCS0081COM 120V/240V, 3PH, 4W, ≥400A and 120V/208Y or 347V/600Y, 3PH, 4W, ≥200A Secondary Utility Tower Service using Splitter Trough – Construction Detail

1

MCS0016COM 600V, 3PH, 3W Delta or 347V/600Y, 3PH, 4W Wye, ≤200A 7-Jaw Meter Base Wiring Detail – Construction Detail

4

MCS0072COM OH 120V/240V, 1PH, 3W, ≤200A Service Entrance Disconnect and Metering on Customer Owned Pole – Construction Detail

1

MCS0109COM/RES OH/UG 347V/600Y, 3PH, 4W, ≤400A with120V/240V 1 PH or 120V/208Y 3 PH Dry-Core – Construction Detail       

0

MCS0073COM UG 120V/208Y or 347V/600Y, 3PH, 4W, ≤200A Service Entrance Disconnect and Metering on Customer Owned Pole – Construction Detail

1

MCS0071COM UG 120V/240V, 1PH, 3W, ≤200A Service Entrance Disconnect and Metering on Customer Owned Pole – Construction Detail

1

MCS0026120V/208Y AND 347V/600Y 3PH, 4W, >200A OR Primary Services Indoor Interval Metering With Double Ended Switchboard/Switchgear Engineering Specification Construction Detail

7

MCS0025120V/208Y AND 347V/600Y, 3PH, 4W, >200A OR Primary Services Indoor Interval Metering With Switchboard/Switchgear Construction Detail

7

MCS0024COM/RES 120V/208Y or 347V/600Y, 3PH, 4W, Non-Interval Metering Arrangement in a Switchboard with Peak Demand ≤233kW – Construction Detail

4

MCS0037COM/RES 120V/240V, 1PH, 3W, 100A to 400A Secondary Service with Multiple ≤200A Sub-Service Disconnects – Construction Detail

5

MCS0036COM/RES 120V/240V, 1PH, 3W, 400A Secondary Service with Meter Centre – Construction Detail

5

MCS0019COM/RES 120V/240V, 1PH, 3W, 400A Transformer Rated Service Using Combination Meter Socket Base – Construction Detail

3

MCS0020COM/RES SLD Typical Secondary Metering for Multiple Unit Building – Single Line Diagram

7

MCS0018ERF/AGR/COM/RES 1PH and 3PH, 4-Jaw, 5-Jaw, and 7-Jaw Wiring Detail – Wiring Detail

3

MCS0043ERF/COM 1PH or 3PH, ≤200A Service Pedestal Mounted Metering Cabinet - Construction Detail

9

MCS0035ERF/COM Concrete Base Foundation for Weatherproof Metered Cabinet – Construction Detail

5

MCS0023MCMS/COM/RES Typical Secondary Metering for Multiple Unit Building with Conventional Metering and MCMS – Construction Detail

6

MCS0110Metering Systems Single Panel Communication Wiring For Electrical Rooms With Communications Equipment – Construction Detail0
MCS0111Com Outdoor Secondary 1-Phase or 3-Phase ≤ 200A Metered Cabinet Wall Mounted - Construction Detail0
MCS0005RES 120V/208Y, 2PH, 3W, 100A to 200A Network Service Entrance and Meter Socket Wiring Detail - Construction Detail

4

MCS0060RES MCMS Individual Multi Customer Metering Systems Communication Wiring for Electrical Rooms With Communications Equipment – Construction Detail

6

MCS0059RES MCMS Individual Multi Customer Metering Systems Wiring for Electrical Without Communications Equipment – Construction Detail

5

MCS0115General Secondary Service Electrical Closet Clearances for Meter Centre and MCMU Installations1
MCS0116120v/208y And 347v/600y, 3ph, 4w, >200a Or Primary Services Interval Metering Outdoor Type Installation Engineering Specification Construction Detail0
MCS0117Overhead Three Phase Primary Metering Installation - Customer Service1
MCS0129Typical Indoor Interval Metering with Wireless Modem Enclosure1
MCS0136Temporary Secondary Service 1PH or 3PH <=600A General Service Layout0
MCS0137COM 120/240V, 1PH, 3W, 225A to 800A Transformer Rated Service2
OLS0002Clearances to Adjacent Structures

3

UCS0001Transformer Base & Pad 3 Phase 150kVA-2500kVA –Construction Detail

5

UCS0004Transformer or Switchgear Base & Pad – Construction Detail

3

UCS0013Manhole Precast 2 Way 590 – Construction Detail

12

UCS0014Manhole Precast 2 Way 612 – Construction Detail

12

UCS0015Manhole Precast 4 Way 1010 – Construction Detail (Special Order)

8

UCS0018

Manhole Collar – Construction Detail

6
UCS0020

Manhole Hardware Frame – Construction Detail

5
UCS0021

Manhole Hardware Cover – Construction Detail

6
UCS0025Manhole Precast 2 Way Switching 612 – Construction Detail

16

UCS0026Switchgear Pad & Base – Construction Detail

5

UCS0027Switch Pad on 612 Switching Manhole Base – Construction Detail

4

UCS0028Manhole Precast Pulling Chamber Pad – Construction Detail

4

UCS0035Transformer Pad on 612 Switching Manhole Base 3 Phase – Construction Detail

3

UCS0045

Equipment Maintenance Hole Collar

0
UDS0001Duct Concrete Cross Sections - Construction Detail

11

UDS0004

Duct Transposition Various Configurations – Construction Detail

3
UDS0005Manhole Duct Termination – Construction Detail

3

UDS0007Duct Concrete Spacers – Construction Detail

3

UDS0009Building Vault Supply Cable Pulling Chamber Construction Detail

2

UDS0010

Duct Pole Lateral Sump Tray – Construction Detail

3
UDS0011Duct Support Temporary of Existing Structure – Construction Detail

4

UDS0012Duct Support Permanent of Existing Structure – Construction Detail

4

UDS0023Duct Pole Lateral for Wood Pole – Construction Detail

11

UDS0033

Duct Transposition from 1Hx6W to 2Hx3W – Construction Detail

0
UDS0034

Duct Transposition from 1Hx10W to 3Hx4W – Construction Detail

0
UDS0035

Duct Transposition from 1Hx16W to 4Hx4W – Construction Detail

0
UDS0038

Duct Transposition from 1Hx12W to 3Hx4W – Construction Detail

0
UFS0001Bollards Protective – Construction Detail

4

UGS0002Grounding, Transformer or Switchgear Base - Construction Detail

9

UGS0005Grounding, Precast 2 Way Switching Manhole 612 – Grounding Detail

5

UGS0007Grounding, Transformer Base & Switchgear Manhole Combination Side by Side – Grounding Detail

3

UGS0008Grounding, Transformer Base & Switchgear Manhole Combination End to End – Grounding Detail

2

UGS0011Grounding Two 612 Switching Manholes Side by Side

1

UKS0271Secondary Pole Riser on Hydro Wood Pole

0

UTS0038Transformer Clearances Transformer & Switchgear Pad – Construction Detail

4

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