1. Mandatory EV Parking Allocation Percentages
Developers must allocate a specific percentage of their required parking bays for EV charging based on the property type:
- Residential Townships & Apartment Buildings: At least 20% of total mandatory parking bays must be EV-ready. These bays must feature dedicated 230V AC charging points (minimum 3.3kW to 7.4kW) or pre-installed conduits connected to individual apartment power sub-meters.
- Commercial Plazas & Office Complexes: At least 10% to 15% of parking bays must be equipped with public EV chargers. This must include at least two dedicated DC Fast Charging stations (50kW to 150kW) for visitors and fleet vehicles.
- Industrial Plants & Logistics Hubs: At least 5% of heavy vehicle parking bays must feature high-output charging infrastructure to support electric cargo trucks, forklifts, and logistics vans.
- Public Parking Lots: Central multi-level car parks built by DICDL allocate 25% of bays for EV charging, integrated with solar canopy roofing.
2. Electrical Conduit and Substation Load Sizing
To prevent costly retrofits, electrical infrastructure must be embedded during initial building construction:
- Dedicated Conduit Routing: Underground parking slabs must feature pre-installed PVC/fire-retardant conduits running from the main electrical meter room to every EV-designated parking bay.
- Substation Load Capacity Calculation: When applying for power sanctions from Torrent Power, developers must include the EV charging load in their connected load calculations:
- Residential Level 2 AC Bays: Calculated at 3.3kW to 7.4kW per bay.
- Commercial DC Fast Chargers: Calculated at 50kW to 150kW per charger.
- Smart Energy Management: Commercial high-rises must use dynamic load-balancing software to modulate charging speeds during peak electrical demand hours, preventing transformer overloads.
The table below outlines EV infrastructure requirements under DSIRDA GDCR:
| Development Category | Min. EV-Ready Parking % | Charger Specification Required | Substation Power Load Allocation |
|---|---|---|---|
| **Residential Apartments** | 20% of total bays | Level 2 AC (3.3kW – 7.4kW) | 3.3kW per EV bay |
| **Commercial Towers & Malls** | 15% of total bays | AC Dual-gun & DC Fast (50kW+) | 50kW – 150kW dedicated load |
| **Industrial / Logistics Parks** | 5% of truck bays | DC High-Capacity (100kW – 240kW) | 100kW per heavy vehicle bay |
| **Institutional / Hospitals** | 10% of total bays | Level 2 AC + 1 DC Fast Charger | 50kW dedicated load |
3. Safety, Fire Separation, and Signage
- Fire Separation Buffers: Basement EV charging bays must be located within 15 meters of a fire exit stairwell or ramp, and must be covered by automatic fire sprinkler systems and smoke extraction ducts.
- Standardized Signage: Every EV charging bay must have green floor markings and standard reflective signage displaying the charging capacity and access rules.
- Weather Protection: Surface-level EV stations must be sheltered with canopy roofing to shield electrical connectors and charging pedestals from monsoon rains and high ambient summer temperatures.
Frequently Asked Questions (FAQ)
#### What percentage of parking spaces must be EV-ready in residential projects in Dholera?
Under DSIRDA GDCR Section 12.14, at least 20% of all provided vehicular parking bays in residential developments must be equipped with EV charging conduits and power connections.
#### Who supplies the electrical power for EV charging stations in Dholera SIR?
Torrent Power provides the underlying electrical grid infrastructure, delivering 24/7 power to private and public EV charging stations.
#### Are commercial buildings required to install DC fast chargers in Dholera?
Yes. Commercial towers and retail plazas must provide at least two dedicated DC Fast Charging bays (50kW+) for visitor and fleet use.
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