EPC contractors and developers often split a solar project into packages and bring in an installation partner for the field work. A clear scope at the start avoids most delays and disputes later.
1. Survey and layout
Before mobilising, the team checks the site, access roads, soil conditions and shading, and marks out module rows, cable routes and inverter locations from the approved layout.
2. Foundations and mounting structures
Piling or foundations are installed to the design, then mounting structures are erected and aligned. Tolerances matter here: structures out of line slow down module fixing and can stress the modules.
3. Module installation
Modules are unloaded, stored and handled as the manufacturer specifies, then fixed with the approved clamps and torque values. Earthing of structures and modules is done as each row is completed.
4. DC and AC cabling
String cables, combiner boxes and DC trunk cables connect the rows to the inverters. Trenching, cable laying, glanding, terminations and labelling follow the cable schedule, so every circuit can be traced and tested.
5. Inverters, panels and the substation
Inverters and LT/HT panels are positioned and wired. At the substation, the scope often includes control and relay panel wiring, power cable terminations and earthing. Read more in our guide to substation works.
6. Monitoring, testing and handover
Weather sensors and monitoring cabling are installed, then the team supports testing and commissioning and hands over as-built markings and documents.
Agree these points before work starts
- Exact scope boundaries: which materials are free-issue, and who supplies consumables
- Drawings, method statements and quality checklists
- Working hours, safety rules and site facilities
- Measurement and billing method
- Testing responsibilities and handover documents
GITC supplies installation crews and electrical teams for solar, wind and substation scopes. Email technology@globalinfratechcorporation.com with your drawings and schedule.
