page 8-5 Riveted the WD-822-L-1 and R-1 L.G. Box Weldments to the fwd and aft LG bulkheads Final Drilled #30 the corner angles and fwd floor assembly Page 8-6Drilled out the large boltholes in the WD-813-1 Bolt weldment Disasembled , Deburred the holes and clecoed the box assemblies to the subfloor