Studied plans. Clamped E-721 to the top flange of E-607PP. Marked the inboard edge of E-619PP-1-020 and E-607PP on E-721. Drilled holes attaching E-619PP-1-020 to the bottom flange of E-607. Drilled holes attaching E-619PP-1-020 to the top flange of E-607PP and E-721.
