Support Design for Residential Flat Roof Skylight

I need structural calculations to support a 1200mm x 2400mm flat roof skylight in a residential property. The skylight will span over 4800mm with 220x47mm C24 timbers. The project is part of a renovation/extension and this location does not have any extreme weather conditions to account for.

Key Requirements:
- Structural analysis and calculations to support the skylight
- Design using 220x47mm C24 timbers
- Experience with residential renovation projects
- Knowledge of flat roof skylight installations

Ideal Skills:
- Structural engineering
- Timber construction
- Residential renovation experience
- Skylight installation expertise