(2) Room Constants.
ft. high. All personnel doors to Engine Rooms are
of fireproof metal construction.
(a) Engine Room No. l is 60ft. by 40ft. by
(b) Engine Room No. 2 is similar to Engine
30 ft. high, and its full ceiling area is covered with
a thick sound absorption material of NRC = 0.75 to
Room No. 1 in all but the following differences: the
room area is 50 ft. by 40 ft., the Control Room
0.85 (para 5-3b of the N&V manual). All side walls
are expected to be of 10-in. hollow-core concrete
viewing window is 12 ft. by 4 ft., and the air intake
vent on the exterior east wall is 6 ft. by 10 ft. with
block, if this will satisfy the acoustic requirements.
2
an expected 40 ft. fully open area.
The viewing window between this Engine Room
(c) Room Constants for the two Engine
and the upper-level Control Room is to be l/2-in.-
Rooms are estimated with the use of DD Form
thick safety plate glass, 18 ft. wide and 4 ft. high.
The steel roll door to the Receiving Room is of
2295. Figures 45 and 46 show the filled-in data
forms for these two rooms.
l/8-in. -thick steel, and its area is 10 ft. wide by 18
4-6
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