TABLE 2.1 + Station andGage Samary GAGES (Type and Muabera) No. of Stations Presgure Tine 1 8 22 7 1 2 3 & 5 6 31 9 3 wv 63 23 8 32 7 7 : - 8 1 1 10 1 ° 8 Shot Fameseamtetantecomtecroaendh 6 18 6 Dynanic Pressure Acceleration - 3 Nore: Of the 71 stations instrumented, 31 vere contractor installed, « ant 40 were project installed. ny) sorting t nus! prone eme + Fo im wt an 2 ‘Peak Pressure f. i i | planning stages of the operation. The gage ranges established for any \partt cular shot were changed accordingly with the predicted yleld figures»speriodically promulgated during the operational phase of the tests.’ Where a fairly wide range of yield from minimum to maximum was predicted, the gege ranges at any one station were so arranged that at least prie+gage at each station would operate within its designed pres- sure range. ry i 2.2.1 Gage sustion Types Four debe repunber-series of stations were used during the various shots, a bageeseroraption of each follows: 122-Series: Coda Station. This was the basic station, install- ed by the contractor prioAY?* the arrival of the project in the forward area, These stations “f° four -6-inch-diameter steel-pipe gage mounts, 3 feet long, en ".. * by reinforcing rods and forming a square 2 feet on a side \Afi2-tnch--square steel plate was welded to the bottom of each to provide Yebring surface. in the ground so that the top ing ground surface. Figure 2.1. ed. 123-Series: The pipes were buried df} the mount was flush with the surround- The statidn] prior to backfill is illustrated in eef Station. Thedelstations were contractor install- ‘Three such stations were used reef between Sites Charlie end Dog, arjd-were located along the coral ch station consisted of pipe gage mounts with the same physical arrangement as the 122 series. pipes were imbedded in drilled holes in thd depth of 10 feet. The helght of the pipes adjusted so that the top of the pipe was at} high-tide water level. The ¢oral presumably to a lapove the coral bottom was Jeast 6 inches above the nm 124-Series: Tend Station. The stations in ttits series assumed a variety of forms end cll were project installed,’~fhese stations providsd mounts for either "gq" gages or pressure-time some cases, for both. No formalized mounting was used for the pressuresome cases, pipe mounts were buried with the top flush 15 Fe 4 and, in ages. In the ground

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