Eco-Center Const. 3 - entrance roof, air tubes

Earth Song's model eco-center building is an earth-bermed,
underground structure, with dry-stack, surface bonded block,
heated and cooled with a passive annual heat storage system.

					Click on a picture to enlarge -
					placing steel beam	welded plates	second beam
					oak beam prep	lifting beams	entrance beam
					framing entrance	joining beams	chicken inspectors
					roof planking	entrance roof	greenhouse plastic
plastic detail	building enclosed	roof insulation	three layers	rubber roof	plastic on wall	east end	covering roof
filling wheelbarrow	load after load	smoothing out	inside view	center section	entrance door	trenching for pipes	2 foot spacing
next layer pipes	backfill over pipes	every 2 feet high	round the corner	more backfill	learning backhoe	window well	gravel on insulation