An everlasting memorial to emergency responders and American citizens who sacrificed their lives during the 9-11 terrorists’ attacks should be erected by Sept. 11 at the Rutherford County Sheriff’s Office.A committee of citizens, a retired sheriff’s lieutenant, firefighters and sheriff’s deputies are planning the memorial and the 9-11 memorial ceremony at the sheriff’s office at 940 New Salem Highway. They presented their concept to Mark D. Ours, a civil and structural engineer and native of DeKalb Co., who donated his services of a rendering of the monument.The centerpiece of the $30,000 memorial will be a 3,000-pound I-beam from Tower 1 of the World Trade Center supported by three pedestals representing firefighters, law enforcement officers and paramedics, said Deputy Greg Dotson, who is spearheading the project. The artifact situated at a 30-degree angle will point toward New York City.A two-level concrete base will hold the memorial with the “Pledge of Allegiance” inscribed around it.