C. For the purpose of ascertaining the estimated cost or value of any proposed work or water rights, and of definitely ascertaining the location and character of a storage reservoir, reservoirs, diversion dams, power plants, irrigation canals, laterals or other works proposed to be constructed, and of finally and accurately determining, defining and establishing the parcels of land susceptible of irrigation from the proposed works and the supply of water that will be made available for the irrigation thereof, the board of directors shall employ one or more competent engineers under whose direction and supervision shall be made:

1. 1. All surveys, examinations, maps, plans, profiles, calculations and estimates necessary to demonstrate the practicability of the proposed works and furnish a proper basis for an estimate of the cost of carrying out the proposed works.
2. 2. Such surveys, maps and detailed information as will accurately define, establish and delineate the parcels of land susceptible of irrigation in the proposed works.
3. 3. Such analysis, data and information as will demonstrate the probable sufficiency of water for irrigation of the lands proposed to be reclaimed by the works.