[1] Different parts of the canal were tendered to contractors at different times, and the masonry for the Slateford Aqueduct was advertised to builders on 2 March 1818.
[2] Baird wrote to Telford regarding the ironwork, as he had received a visit from James Thomson, representing the company of William Hazledine, who had worked on the Pontcysyllte Aqueduct.
[2] After Thomson sent an estimate to Telford for the iron on 30 April, a revised specification was chosen by Baird, the contract for which was advertised on 18 July, and tenders opened on 11 August.
[2] The offer by the partnership of Messrs. Craven, Whitaker and Nowell, riding on the success of their building a stone bridge over the River Ouse, was accepted as being "by far the most eligible.
[5][6] To the north of the aqueduct, on the side of the accessible towpath, is the parallel Slateford Viaduct, which carries an operational railway.