Commercial Waste Pipe Network Design

I'm looking for an experienced civil engineer or architect to develop a design for an underground waste pipe network for a farm. This project will handle waste from various toilets, portable showers and kitchens. The ultimate goal is to minimize system clogs and maintain efficient waste transportation. Please tell me why I should give you my project to work on. I will pay $20 for this drawing. I need dawings with calcullations. These are my project details: Waste Network Plan Point A is the reference point. Point A is at ground level 0.0 cm Point B is at ground level -46 cm The waste pipe Between Point A and Point B is to be buried at a depth of 110 cm Distance between Point A and Point B is 35 meters The waste pipe from Point A to Point B should have a drop level of 1.5 cm per meter Point C is at ground level -110 cm The waste pipe Between Point B and Point C is to be buried at a depth of 110 cm Distance between Point B and Point C is 32 meters Point A and Point B are in direct line with Point C The waste pipe from Point B to Point C should have a drop level of 1.5 cm per meter The septic tank would be positioned next to Point C. Point D is coming from the opposite direction to Point C (Point A to D are in Straight Line) Point D is at ground level -110 cm Distance between Point D and Point C is 19 meters The waste pipe from Point D to Point C should have a drop level of 1.5 cm per meter The waste pipe Between Point D and Point C is to be buried at a depth of 110 cm Point E is coming from the right to Point C at 90 degrees Point E is at ground level -126 cm Distance between Point E and Point C is 53 meters The waste pipe from Point E to Point C should have a drop level of 1.5 cm per meter The waste pipe Between Point E and Point C is to be buried at a depth of 110 cm Point F is at ground level -20 cm Point F is coming from the right to Point B at 90 degrees Distance between Point F and Point B is 47 meters The waste pipe from Point F to Point B should have a drop level of 1.5 cm per meter The waste pipe Between Point F and Point B is to be buried at a depth of 110 cm Point F will connect directly to point B Point C is the point where the septic tank will be placed Calculate the dept at of waste pipe as arriving at Point C Calculate the dept of waste pipe as arriving from Point A to Point B taking into consideration the required 1.5 cm drop per metre. Calculate the dept of waste pipe as arriving from Point B to Point C taking into consideration the required 1.5 cm drop per metre. Calculate the dept of waste pipe as arriving from Point F to Point B taking into consideration the required 1.5 cm drop per metre. Calculate the dept of waste pipe as arriving from Point E to Point C taking into consideration the required 1.5 cm drop per metre. All pipes coming from Point B, Point E and Point D arriving at Point C must be on the same level.