Bound Water in Wet Materials

Estimates the weight (lb) and volume (gal) of water held in affected materials that drying must evaporate, from the material volume, oven-dry density, and the moisture-content drop to the dry goal. Scopes equipment-days and validates the plan against the evaporation and dehumidifier sizing. Moisture content is dry-weight basis; meter readings and IICRC S500 govern.

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Formula and source

dry_mass_lb = material_volume_ft3 x dry_density_lb_ft3; water_lb = dry_mass_lb x (mc_current_pct - mc_goal_pct) / 100; water_gal = water_lb / 8.34 lb/gal.

Gravimetric water-mass relation, by name; ANSI/IICRC S500. Moisture content on a dry-weight basis (consistent with wood-emc). The 8.34 lb/gal water density is not edition-bound.

Audience

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