Free Walls
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- CEB block at 1 cents/block cost - CEB Block Cost - if labor is used to stack block directly in walls. Challenge: soil moving or digging, to site.
- Max practical imported PV is 3.2 kw (320 sf) - multiplied 2x for 2 of these trailers per site. Telescoped to span between trailers - 4 trailer widths. Total of 8 trailers' worth = 25 kW of energy = 150kW hr/day. This is 2 kg/kwhr - 300 kg per day. Require, per Solar Concrete -
- A campus has a quarry which is turned into a lake, as well as cement production, and lumber, and plastic production for free materials.