Hawaii Septic System Plans

I need detailed septic system plans for a developed residential property in Hawaii, covering less than 1 acre. The plans must comply with local regulations and be suitable for existing structures.

Requirements:
- Accurate site assessment
- Compliance with Hawaii's environmental regulations
- Detailed diagrams and specifications
- Experience with residential septic systems

Ideal Skills and Experience:
- Expertise in septic system design
- Knowledge of Hawaiian regulatory requirements
- Experience with developed properties

Please provide relevant experience and a timeline.