Peproduced from the holdings ef the Natioual Archives: HOLMEBI& NORRVER [he od ii bo Chief of Operations soy Ot eg OK e CARER: ‘2¢ BEAT BUNKERS - Og has I am enclosing 4 copy of 4 report, date: Novemper 9, 1953, on tests made by the Engi ceriiy Nvisier under sim iiate conditions for cour information. As soon as the first door is in operative condition we should make sufficient closures to determine if t:¢ two sets of sill blocks for each: station are sufficient. This determira.ion ean be made at the time the doors are tested for speed o” closing. The molds for these sil blocks ar 2° «1 « faded Shipyards Corp., plant and additional biocks © o ld be omiers. fre toen if required, yw 14 ao ° ° — . FF. lowell ‘ef of OQvnerations SPHinr Enel, (1) Memo frm Duve varver, dr., dtd 11/9/55, sung. Bakes) FLO, 2960: ave Narver, Jray W/O enc, é/S Resident viner. G.. of Procereren: Ch. of Operaticns Central] Fi’ es oe 30 Rovenber 1953 some concern exists in my mind as to tie amount of compression that the subject lead sili vlecks will rece've 1 er the shutter is closed, ee FROM. _ Project Manager Co C> TO: | a . < _ _ a} IS