42 Architectural design of municipal, industrial and commercial water and waste water treatment systems, sludge and waste incineration and disposal facilities, and power plants; design, engineering, and development of power plants; consultation relating to engineering construction services, namely, design, engineering, and development of municipal, industrial, and commercial water and waste water treatment systems, sludge and waste incineration and disposal facilities, and power plants; engineering services for the construction, design, and development of municipal, industrial and commercial water and waste water treatment systems, sludge and waste incineration and waste disposal facilities, and power plants; and consultation services related to the foregoing