Engineering consultants can also be responsible for the design of the airport. He or she can also conduct site assessments, help with landscape design, and plan sidewalks through the park. The consultant designs a flood plan to ensure that there are enough drainage pipes to avoid costly flood repairs. They assist in zoning decision-making and development land planning for residential, commercial and government uses. The piping system of a building is another part where you can hire engineering consultants to work. Waste disposal, ventilation, hot and cold water distribution, and water heaters are all part of the job that engineers can do. The sprinkler system used to control the fire can also be designed by the engineering consultant. Engineering consultants can also work with companies to develop solutions for electrical problems. This may mean designing better lighting for parts of buildings or parking lots. They will also work on regulating power distribution and planning emergency generators. Engineering consultants can also design fire detection systems or complete security systems with video surveillance equipment. Transportation research is usually carried out by engineering consulting companies. They plan roads, map traffic patterns, and create designs for new subway systems. They help to design better pavements that will last longer and require less maintenance. They also design and inspect bridges. The work of engineering consultants is diverse. Because engineering is such a broad field, there are almost no restrictions on the work that consultants can perform. They do several different types of work for many different types of companies. Engineering consultants look for solutions that meet or exceed customer needs.