Is it true that the palisade/fence used in the movie "King Kong" (1933) as a protection for the village was so cumbersome and taking so much space in the studio's warehouse that they used it for the fire in Atlanta in "Gone with the Wind" (1939)?

The location for the filming was to be the Pathé lot in Culver City, not far from Metro-Goldwyn-Mayer. To clear this lot of some old standing sets in order to make way for the construction of the plantation mansions of Tara and Twelve Oaks and the Atlanta buildings and streets, the art director, William Cameron Menzies, proposed that the old sets be brought down in a monstrous nighttime conflagration which could be photographed to constitute the big scene of the burning of Atlanta, a climax in the film. This heroic suggestion was enthusiastically embraced. Two stunt men were engaged to ride in an old wagon in front of the burning sets to represent in long shot the flight of Rhett and Scarlett (and Melanie Wilkes and her newborn child) out of the defeated city. The scene was shot on the night of December 10, 1938.

This survey map details the location of standing 40 Acres sets in 1940, most of which are from the 1939 David Selznick classic, Gone With The Wind. Some of the earlier sets on the backlot, including the set for King Kong (1933) (a set itself originally constructed for Cecil B. DeMille's 1927 silent film, The King of Kings), had false fronts attached by Selznick and were then burned for the "Burning of Atlanta" scene in GWTW. Legend has it that on the night "Atlanta" was burned, some residents of Culver City, unaware of what was happening, assumed Los Angeles was afire, and fled the area in their cars ...
The "Burning of Atlanta" at Forty Acres
The "burning of Atlanta" on the Forty Acres backlot took place on December 10, 1938, but contrary to popular belief, the fire itself was confined to the former "King Kong" set (a large set originally built for DeMille's "The King of Kings"), along with another wall of the original "King of Kings" Jerusalem set re-decorated to resemble a warehouse, a few boxcars, and other assembled debris. The original town sets themselves were NOT burned, and a few of these original facades in fact were left relatively unmodified for their appearance in "Gone With The Wind". Sets burned also did not include those for Selznick's 1936 film "Little Lord Fauntleroy" as is reported elsewhere on the web, as the "Brooklyn Street" sets seen in this film were in fact located on Harold Lloyd's Westwood Location Ranch, and not at 40 Acres. In addition, although GWTW technical advisor Wilbur Kurtz recorded in his journal the presence of a "old lodge palace structure" across Ballona Creek in January 1939, which he noted as having last been used in "Little Lord Fauntleroy", Marc Wanamaker has found conclusive evidence that the mansion which appeared on film was in fact a real one (the George Lewis Estate that was once located on Hillgrove Avenue in Beverly Hills off of Benedict Canyon).