Two large, slow-moving loads are expected to cause delays in Edmonton and parts of northeast Alberta this week. The first will travel from Edmonton to Fort McMurray starting Sunday while the second will move from the city to Fort Saskatchewan beginning Tuesday. Both loads will move with guide vehicles below the posted speed limits and use up the entire width of the highway, including the shoulder. First load: De-methanizer pressure vessel A de-methanizer pressure vessel is used in natural gas processing and weighs in at 563,600 kg, including its support equipment. The load will leave Thermo Design Engineering in south Edmonton on Sunday at 11 p.m. and continue through northern Alberta for seven days. This is its route, according to an Alberta government news release: Feb. 22 (leaving at 11 p.m. and stopping at 6:30 a.m.): Feb. 23 (begins again at daylight) Feb. 24 (depart at daylight) Feb. 25 (depart at daylight) Feb. 26 (depart at daylight) Feb. 27 (leaving at 12:15 a.m. for a night move) Feb. 28 (leaving at midnight) Second load: purge bin A purge bin, which is used as a rinsing station for oil and gas companies, will leave Dacro in Edmonton on Tuesday at 10 p.m. This is its schedule through the city to Fort Saskatchewan: Feb. 24 at 10 p.m.: Feb. 26 at 8:30 a.m.: Road reports and up-to-date delays can be found on the Alberta 511 website.