In order to make the design and construction
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 |
|---|---|---|
| DFS0002 | Electrical Distribution As-Built Construction Drawings | 4 |
| DFS0004 | Electrical Distribution CAD & GIS Construction Drawing Standard | 6 |
| ECG0008 | Distribution System Voltage & Power Quality | 4 |
| ECS0031 | Digital Base Mapping Requirements for Electrical Servicing | 2 |
| GCS0001 | Underground Residential Distribution Installation of Civil Work | 2 |
| GCS0004 | Underground Primary & Secondary Cable Installation | 4 |
| GCS0005 | Installation of Civil Works for Underground Distribution | 10 |
| GCS0008 | Revenue Metering Specification | 5 |
| 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 Primary XLPE Concentric Neutral Specifications | 4 |
| GQS0002 | Civil Contractor Qualifications To Work On or Around Hydro Ottawa Electrical Underground Distribution System | 3 |
| GQS0008 | Contractor Qualifications To Work On or Around Hydro Ottawa Electrical Overhead Distribution System | 1 |
| UDS0013 | Temporary and Permanent Support of Hydro Ottawa Duct Banks When Undercut by an Excavation | 1 |
| No. | Drawing Title | Rev |
|---|---|---|
Residential Secondary Ownership Guideline | 1 | |
RES 120V/240V, 1PH, 3W, ≤200A Overhead Service Entrance – Construction Detail | 1 | |
RES UG 120V/240V, 1PH, 3W, ≤400A Secondary Service – Construction Detail | 10 | |
Installation & Testing of Underground Primary and Secondary Power Cables Prior to Energization | 4 | |
Rural Estate Lot XFMR and Trench Location | 1 | |
RES 120V/208Y, 2PH, 3W, 100A to 200A Network Service Entrance and Meter Socket Wiring Detail - Construction Detail | 4 | |
ERF/AGR/COM/RES 1PH and 3PH, 4-Jaw, 5-Jaw, and 7-Jaw Wiring Detail – Wiring Detail | 3 | |
COM/RES 120V/240V, 1PH, 3W, 400A Transformer Rated Service Using Combination Meter Socket Base – Construction Detail | 3 | |
RES UG 120V/240V, 1PH, 3W, ≤400A Multiposition Ganged Meter Trough – Construction Detail | 8 | |
RES UG 120V/240V, 1PH, 3W, ≤200A Service Entrance Disconnect and Metering on Customer Owned Pole – Construction Detail | 1 | |
RES OH 120V/240V, 1PH, 3W, ≤200A Service Entrance Disconnect and Metering on Customer Owned Pole – Construction Detail | 1 | |
RES 120V/240V, 1PH, 3W, 400A Transformer Rated Service Upgrade Using Combination Meter Socket Base – Meter Enclosure | 1 | |
RES 120V/240V, 1PH, 3W, ≤200A Residential Service Metering Using External Modem Enclosure with Telephone Line for Communications – Construction Detail | 1 | |
| MCS0105 | AGR/COM/ERF/RES Minimum Clearances Next to Revenue Metering Equipment – Construction Detail | 1 |
| MCS0106 | AGR/COM/ERF/RES Minimum Clearance in Front of Revenue Metering Equipment – Construction Detail | 3 |
| MCS0139 | RES OH 120V/240V, 1PH, 3W, ≤200A Multiposition Ganged Meter Trough Engineering Specification Construction Detail | 1 |
Clearances to Adjacent Structures | 4 | |
Transformer Base & Pad 1 Phase 25kVA – 167kVA – Construction Detail | 7 | |
Transformer or Switchgear Base & Pad – Construction Detail | 4 | |
Duct Concrete Cross Sections - Construction Detail | 11 | |
Trench Joint Utility 3 Party Main Residential – Construction Detail | 8 | |
Joint Utility 3 Party Main Residential – Construction Detail | 7 | |
Duct Concrete Spacers – Construction Detail | 2 | |
Trench for Direct Buried Cable and Duct – Construction Detail | 6 | |
Duct Support Temporary of Existing Structure – Construction Detail | 3 | |
Duct Support Permanent of Existing Structure – Construction Detail | 4 | |
Joint Utility 4 Party Main Residential Trench – Construction Detail | 7 | |
Trench Joint Utility 4 Party Service Residential – Construction Detail | 6 | |
Trench Joint Utility 3 Party Service Residential in Rock – Construction Detail | 5 | |
Duct Pole Lateral for Wood Pole – Construction Detail | 11 | |
Four Party Residential Road Crossing Concrete Duct Bank | 1 | |
Three Party Residential Road Crossing Concrete Duct Bank | 1 | |
Trench Joint Utility 4 Party Main Residential | 2 | |
Three-Party Service Trench with Multiple Services | 0 | |
Direct Buried Duct to Offset Single Phase Transformer | 0 | |
Trench Joint Utility 3 Party Main Residential | 2 | |
Three Party Residential Road Crossing Concrete Duct Bank | 1 | |
Four Party Residential Road Crossing Concrete Duct Bank | 1 | |
Trench Joint Utility 4 Party Main Residential Under Integrated Sidewalk | 0 | |
Trench Joint Utility 4 Party Main Residential Hydro Concrete Encased | 0 | |
Bollards Protective – Construction Detail | 4 | |
Grounding, Transformer or Switchgear Base - Construction Detail | 9 | |
Grounding, Precast 2 Way Switching Manhole 612 – Grounding Detail | 6 | |
Grounding, Transformer Base & Switchgear Manhole Combination Side by Side – Grounding Detail | 3 | |
Grounding, Transformer Base & Switchgear Manhole Combination End to End – Grounding Detail | 2 | |
| UGS0011 | Grounding Two 612 Switching Manholes Side by Side | 0 |
| UKS0271 | Secondary Pole Riser on Hydro Wood Pole | 0 |
Transformer Secondary Wiring 1 Phase Padmount – Wiring Detail | 4 | |
Transformer Primary Wiring 1 Phase Padmount – Wiring Detail | 4 | |
Transformer Grounding 1 Phase Padmount – Grounding Detail | 4 | |
Transformer Clearances Residential Underground Utility Trench 3 & 4 Party – Construction Detail | 10 | |
Transformer Clearances Transformer & Switchgear Pad – Construction Detail | 4 |