- 6 Numbered specification drawings (blueprints, specification 708): situation, views (existing and new condition), sections, floor plans (existing and new condition), joists, cap plan, foundation, sewerage and details (ventilation system), marked and signed by G.C. Six, dated 1937, scale 1 to 10, 1 to 20, 1 to 100, 1 to 1000;
- 4 Numbered specification drawings (blueprints, specification 733): views, cross-sections, joists, floor plans, pile plan, floor and wall coverings, marked and signed by G.C. Six, dated 1938, scale 1 in 20, 1 in 50;
- 2 Numbered specification drawings (blueprints, specification 734) of the existing and new condition: situation, views, sections and floor plans, credited to and signed by G.C. Six, signed by P.J.J.M. Cuypers, dated 1938, scale 1 in 100, 1 in 1000.