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3. Engineering Review of Tanks & Equipment Covered by CalARP Program C:\TRICH\Jobs\4515582 Leprino Tracy\Report\Leprino Tracy CalARP 040221.docx 3-8 3.2.3 Other Equipment Manufacturing Area The Pump Recirculating Unit (PRU-2) is a vertical tank in the manufacturing area (Figure 3-51). Based on information provided by Leprino Foods, the tank is approximately one-third full of liquid ammonia. It is supported by four steel pipe legs that are anchored to the foundation with four 5/8-inch diameter anchors per leg (Figure 3-52). It is unknown what type of anchors are used and how much embedment is provided. The result of our anchorage analysis is a maximum DCR ratio of 1.51 indicating a deficiency in the existing anchorage. This result is based on 5/8-inch diameter post installed expansion anchors with an embedment of four inches. If actual as-built conditions of the anchorage are different than our assumptions, the result may vary. It is recommended that additional analysis be performed and additional anchors be provided as necessary. A level detector shuts the tank down at 65% of full height. Freezer Evaporative coils EV-1 through EV-4 (Figure 3-53) are located in penthouses above the freezer expansion area. The units are supported by ten steel channel columns that are bolted to the units and welded to the steel support framing below (Figure 3-54). The result of our anchorage analysis is a maximum DCR ratio of 0.02 for the connections between the legs and the units and steel support framing. A part of each unit hangs below the steel framing inside the expansion freezer (Figure 3-55). There is no visible bracing of the hanging portion of each unit. Excessive sway may damage the connecting ducts between the unit components. It is recommended that transverse and longitudinal bracing be provided for the hanging portion of each unit. Evaporative coils EV-5 through EV-8 (Figure 3-56) are suspended from the roof of the freezer area and accessed by a suspended catwalk. Each unit has eight hangers, four at the top four corners and four supporting two trapezes at the bottom of the unit (Figure 3-57). The top four corners are located less than 12 inches below the support framing and should prevent excessive sway. It is recommended that additional analysis be performed to confirm the adequacy of the existing support. Truck Vestibule Evaporative coils EV-10 (Figures 3-58 and 3-59), EV-11 (Figures 3-60 and 3-61) and EV-12 (Figures 3-62 and 3-63) are suspended from the roof framing of the truck