The sprinkler main riser penetrates a continuous footing per the foundation plan, centered within a Sonotube void filled with concrete matching the footing width. A cold joint is located above the formed depression, with finished grade at the farside. A minimum two-inch clearance is maintained all around unless noted otherwise, and a nine-inch minimum dimension is maintained typically. Additional reinforcement consists of two number five bars by four feet zero inches at the precast panel intersection. Dimensions include a one foot six inch minimum to three foot zero inch maximum vertical range and a two foot six inch pour strip.
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