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wet · January 20, 2013, 10:17 PM

Actully, we had already dug the trench below the basement floor for utilitys and went four feet lower. Had to go down a short ladder to the shooting range from the basement. A 3" vent at the far end and positive ventilation kept smoke and lead out of the house.

January 20, 2013, 10:17 PM	#8
wet Member Join Date: October 2, 2011 Location: ID. Posts: 89	Actully, we had already dug the trench below the basement floor for utilitys and went four feet lower. Had to go down a short ladder to the shooting range from the basement. A 3" vent at the far end and positive ventilation kept smoke and lead out of the house.