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 ID | Specification Title | Rev |
|---|---|---|
| ECG0003 | Residential Secondary Service Typical Ownership Demarcation | 2 |
| ECG0008 | Distribution System Voltage & Power Quality | 5 |
| ECP0020 | Electrical Vehicle Charging Connection Procedures for Commercial Customers | 0 |
| ECS0023 | Un-metered Service Conditions, Connections & Upgrades | 6 |
| ECS0031 | Digital Base Mapping Requirements for Electrical Servicing | 2 |
| ECS0043 | Underground Primary Service Typical Customer Owned Switchgear Layout | 0 |
| GCG0001 | Installation & Testing of Underground Primary and Secondary Power Cables Prior to Energization | 5 |
| GCS0002 | Primary Voltage Services | 3 |
| GCS0005 | Installation of Civil Works for Underground Distribution | 11 |
| GCS0008 | Secondary Voltage Revenue Metering Specification | 6 |
| GCS0032 | Primary Revenue Metering Specification | 1 |
| GCS0038 | Trees in Proximity to Hydro Ottawa Underground Structures | 0 |
| GMS0003 | Low Profile, Single Phase, Dead Front Pad-Mounted Distribution Transformer | 2 |
| GMS0005 | Underground Secondary Cable Specification | 2 |
| GMS0008 | Underground Medium Voltage TRXLPE and EPR Concentric Neutral Cable | 4 |
| GMS0025 | Pole Mounted Single Phase MV-MV Distribution Transformers Specification | 1 |
| GQS0002 | Civil Contractor Qualifications To Work On or Around Hydro Ottawa Electrical Underground Distribution System | 4 |
| GQS0008 | Contractor Qualifications To Work On or Around Hydro Ottawa Electrical Overhead Distribution System | 1 |
| GQS0009 | Permitted Fibre Contractor Requirements | 0 |
| MCS0055 | Multiple Customer Metering System Installation Requirements By The Owner For a New Building | 1 |
| UDS0013 | Temporary and Permanent Support of Hydro Ottawa Duct Banks When Undercut by an Excavation | 1 |
| UDS0022 | Protecting Electrical Distribution Plant & Support Structures From Vibrations Caused by Construction Activity | 4 |
| UDS0027 | Duct Pole Lateral for Self Supporting Concrete Pole – Construction Detail | 1 |
| No. | Drawing Title | Rev |
|---|---|---|
| ECG0001 | Commercial Secondary Ownership Guideline | 1 |
| ECG0004 | Unmetered Secondary Ownership Guideline | 1 |
| ECG0005 | Commercial Primary Service Electrical Ownership Demarcation Customer Owned Transformer | 1 |
| ECG0008 | Distribution System Voltage and Power Quality | 3 |
| ECG0009 | Commercial Primary Service Electrical Ownership Demarcation Hydro Owned Transformer | 4 |
| ECS0027 | 15A @ 120V Receptacle on Utility Pole For Occasional Use Decorative Lighting – Construction Detail | 1 |
| MCS0105 | AGR/COM/ERF/RES Minimum Clearances Next to Revenue Metering Equipment – Construction Detail | 2 |
| MCS0106 | AGR/COM/ERF/RES Minimum Clearance in Front of Revenue Metering Equipment – Construction Detail | 5 |
| MCS0103 | COM 120V/208Y or 347V/600Y, 3PH, 4W, ≤200A Sub-Services, Customer Owned Outdoor Meter Centre or Switchboard with Check Metering – Construction Detail | 0 |
| MCS0017 | 120V/208Y AND 347V/600Y, 3PH, 4W, >200A to 600A Interval Metering with IT Cabinet | 6 |
| MCS0096 | COM 120V/208Y or 347V/600Y, 3PH, 4W, 100A to 200A Secondary Service with Meter Socket Construction and Wiring Detail – Construction Detail | 1 |
| MCS0099 | Outdoor Customer Owned Enclosure Housing HOL Metering Equipment | 2 |
| MCS0074 | COM 120V/240V, 1PH, 3W, ≤100A Temporary UG Unmetered Load Monitoring Facility – Construction Detail | 1 |
| MCS0091 | COM 120V/240V, 1PH, 3W, ≤200A Secondary Service with Meter Socket Wiring Detail – Construction Detail | 1 |
| MCS0082 | COM 120V/240V, 1PH, 3W, 400A Secondary Metered Utility Tower Service with 6-Position Ganged Meter Trough – Construction Detail | 1 |
| MCS0081 | COM 120V/240V, 3PH, 4W, ≥400A and 120V/208Y or 347V/600Y, 3PH, 4W, ≥200A Secondary Utility Tower Service using Splitter Trough – Construction Detail | 1 |
| MCS0016 | COM 600V, 3PH, 3W Delta or 347V/600Y, 3PH, 4W Wye, ≤200A 7-Jaw Meter Base Wiring Detail – Construction Detail | 4 |
| MCS0072 | COM OH 120V/240V, 1PH, 3W, ≤200A Service Entrance Disconnect and Metering on Customer Owned Pole – Construction Detail | 1 |
| MCS0109 | COM/RES OH/UG 347V/600Y, 3PH, 4W, ≤400A with120V/240V 1 PH or 120V/208Y 3 PH Dry-Core – Construction Detail | 0 |
| MCS0073 | COM UG 120V/208Y or 347V/600Y, 3PH, 4W, ≤200A Service Entrance Disconnect and Metering on Customer Owned Pole – Construction Detail | 1 |
| MCS0071 | COM UG 120V/240V, 1PH, 3W, ≤200A Service Entrance Disconnect and Metering on Customer Owned Pole – Construction Detail | 1 |
| MCS0026 | 120V/208Y AND 347V/600Y 3PH, 4W, >200A OR Primary Services Indoor Interval Metering With Double Ended Switchboard/Switchgear Engineering Specification Construction Detail | 7 |
| MCS0025 | 120V/208Y AND 347V/600Y, 3PH, 4W, >200A OR Primary Services Indoor Interval Metering With Switchboard/Switchgear Construction Detail | 7 |
| MCS0024 | COM/RES 120V/208Y or 347V/600Y, 3PH, 4W, Non-Interval Metering Arrangement in a Switchboard with Peak Demand ≤233kW – Construction Detail | 4 |
| MCS0037 | COM/RES 120V/240V, 1PH, 3W, 100A to 400A Secondary Service with Multiple ≤200A Sub-Service Disconnects – Construction Detail | 5 |
| MCS0036 | COM/RES 120V/240V, 1PH, 3W, 400A Secondary Service with Meter Centre – Construction Detail | 5 |
| MCS0019 | COM/RES 120V/240V, 1PH, 3W, 400A Transformer Rated Service Using Combination Meter Socket Base – Construction Detail | 3 |
| MCS0020 | COM/RES SLD Typical Secondary Metering for Multiple Unit Building – Single Line Diagram | 7 |
| MCS0018 | ERF/AGR/COM/RES 1PH and 3PH, 4-Jaw, 5-Jaw, and 7-Jaw Wiring Detail – Wiring Detail | 3 |
| MCS0043 | ERF/COM 1PH or 3PH, ≤200A Service Pedestal Mounted Metering Cabinet - Construction Detail | 9 |
| MCS0035 | ERF/COM Concrete Base Foundation for Weatherproof Metered Cabinet – Construction Detail | 5 |
| MCS0023 | MCMS/COM/RES Typical Secondary Metering for Multiple Unit Building with Conventional Metering and MCMS – Construction Detail | 6 |
| MCS0110 | Metering Systems Single Panel Communication Wiring For Electrical Rooms With Communications Equipment – Construction Detail | 0 |
| MCS0111 | Com Outdoor Secondary 1-Phase or 3-Phase ≤ 200A Metered Cabinet Wall Mounted - Construction Detail | 0 |
| MCS0005 | RES 120V/208Y, 2PH, 3W, 100A to 200A Network Service Entrance and Meter Socket Wiring Detail - Construction Detail | 4 |
| MCS0060 | RES MCMS Individual Multi Customer Metering Systems Communication Wiring for Electrical Rooms With Communications Equipment – Construction Detail | 6 |
| MCS0059 | RES MCMS Individual Multi Customer Metering Systems Wiring for Electrical Without Communications Equipment – Construction Detail | 5 |
| MCS0115 | General Secondary Service Electrical Closet Clearances for Meter Centre and MCMU Installations | 1 |
| MCS0116 | 120v/208y And 347v/600y, 3ph, 4w, >200a Or Primary Services Interval Metering Outdoor Type Installation Engineering Specification Construction Detail | 0 |
| MCS0117 | Overhead Three Phase Primary Metering Installation - Customer Service | 1 |
| MCS0129 | Typical Indoor Interval Metering with Wireless Modem Enclosure | 1 |
| MCS0136 | Temporary Secondary Service 1PH or 3PH <=600A General Service Layout | 0 |
| MCS0137 | COM 120/240V, 1PH, 3W, 225A to 800A Transformer Rated Service | 2 |
| OLS0002 | Clearances to Adjacent Structures | 3 |
| UCS0001 | Transformer Base & Pad 3 Phase 150kVA-2500kVA –Construction Detail | 5 |
| UCS0004 | Transformer or Switchgear Base & Pad – Construction Detail | 3 |
| UCS0013 | Manhole Precast 2 Way 590 – Construction Detail | 12 |
| UCS0014 | Manhole Precast 2 Way 612 – Construction Detail | 12 |
| UCS0015 | Manhole 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 |
| UCS0025 | Manhole Precast 2 Way Switching 612 – Construction Detail | 16 |
| UCS0026 | Switchgear Pad & Base – Construction Detail | 5 |
| UCS0027 | Switch Pad on 612 Switching Manhole Base – Construction Detail | 4 |
| UCS0028 | Manhole Precast Pulling Chamber Pad – Construction Detail | 4 |
| UCS0035 | Transformer Pad on 612 Switching Manhole Base 3 Phase – Construction Detail | 3 |
| UCS0045 | Equipment Maintenance Hole Collar | 0 |
| UDS0001 | Duct Concrete Cross Sections - Construction Detail | 11 |
| UDS0004 | Duct Transposition Various Configurations – Construction Detail | 3 |
| UDS0005 | Manhole Duct Termination – Construction Detail | 3 |
| UDS0007 | Duct Concrete Spacers – Construction Detail | 3 |
| UDS0009 | Building Vault Supply Cable Pulling Chamber Construction Detail | 2 |
| UDS0010 | Duct Pole Lateral Sump Tray – Construction Detail | 3 |
| UDS0011 | Duct Support Temporary of Existing Structure – Construction Detail | 4 |
| UDS0012 | Duct Support Permanent of Existing Structure – Construction Detail | 4 |
| UDS0023 | Duct 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 |
| UFS0001 | Bollards Protective – Construction Detail | 4 |
| UGS0002 | Grounding, Transformer or Switchgear Base - Construction Detail | 9 |
| UGS0005 | Grounding, Precast 2 Way Switching Manhole 612 – Grounding Detail | 5 |
| UGS0007 | Grounding, Transformer Base & Switchgear Manhole Combination Side by Side – Grounding Detail | 3 |
| UGS0008 | Grounding, Transformer Base & Switchgear Manhole Combination End to End – Grounding Detail | 2 |
| UGS0011 | Grounding Two 612 Switching Manholes Side by Side | 1 |
| UKS0271 | Secondary Pole Riser on Hydro Wood Pole | 0 |
| UTS0038 | Transformer Clearances Transformer & Switchgear Pad – Construction Detail | 4 |