All Services Engineering & Architecture Drainage Design $10/hr · Starting at $50 Layout design, pump sizing, pipe sizing, manhole sizing, interceptor trap sizing, schematic diagram and coordination with other services. About $10/hr · Ongoing Download Resume Layout design, pump sizing, pipe sizing, manhole sizing, interceptor trap sizing, schematic diagram and coordination with other services. Skills & Expertise DesignLayout Design 0 Reviews This Freelancer has not received any feedback. Browse Similar Freelance Experts DesignersLayout Designers