Original sentence: The keel of "Frigate C" was laid down sometime in 1798 under the direction of Forman Cheeseman as Naval Constructor and US Navy Captain Silas Talbot as Superintendent.at a shipyard in New York City Christian Berg also had some involvement in the construction but his role isn't clear
Edited sentence: As the last of the six frigates to begin construction, Joshua Humphreys was able to advise Cheeseman of some needed alterations that were discovered during the construction of her sister 44-gun frigates,  and.Christian Bergh also had some involvement in the construction but his role isn't clear.Humphreys instructed that the gun deck should be raised an additional  and the main mast should be installed  further aft.Otherwise, President was built to the same dimensions as Constitution and United States with a length of  between perpendiculars and  in width.She was launched on 10 April 1800.The keel of "Frigate C", named President by George Washington was laid down sometime in 1798 at a shipyard in New York City under the direction of Forman Cheeseman as Naval Constructor and US Navy Captain Silas Talbot as Superintendent