Suspended Concrete Slab Installation

I need a 12x40 suspended concrete slab. This slab will support a pad mount transformer (up to 500 kVA) and withstand fork truck traffic on a concrete surface.

Key requirements:
- Reinforced to support heavy loads
- Smooth, durable surface for fork truck operations
- Proper drainage and waterproofing

Ideal skills and experience:
- Concrete slab installation
- Knowledge of load-bearing requirements
- Experience with suspended slabs and heavy machinery traffic

Please provide relevant work experience and a timeline for completion.