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→Down Drops
== Down Drops ==
== Down Drops ==
Each large machine or cluster of small machines will require a down drop from the main duct to the machine port or manifold. The drop will require:
Each large machine or cluster of small machines will require a down drop from the main duct to the machine port or manifold. The drop will require:
*8x8x6 DWV PVC Wye fitting (the last drop on the main could use a 8"45 & 8" to 6" reducer instead of a wye. this would probably be cheaper the the wye plus a cap.
*8x8x6 DWV PVC Wye fitting (the last drop on the main could use a 8"45 & 8" to 6" reducer instead of a wye. this would probably be cheaper the the wye plus a cap.)
*6" 45 elbow
*6" 45 elbow
*approximately 5' of 6" PVC pipe
*approximately 5' of 6" PVC pipe