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Earthdance Bamboo

Welcome to the Earthdance Music Festival!
We arrive with a truck load of bamboo and trailer full of fabric and natural fixins

the site is a natural cove formed by winter eddies,
when the rains rush through

We enhance the natural spiral form with bamboo poles splayed outward. Then we tie the poles to the center point (a beautiful gnarly tree) with manila cables

Hanumon is happy

Quinn and I get taller, a trick i learned back in junior high school

design session

building the portal to the spiral zone

Christopher does some innovative joinery

Ethan came along to this one, and fits right in with the crew

the main gate goes up

I do a fancy lash with crystals included (wired in first)

flower shaped shading connects the guy wires

playing with the fabric first!

the elder's throne

Quinn weaves a web behind the throne

testing lighting for the night

an earth mandala, created over the course of the festival, with public collaboration, fills the central space

shading effects

the elder's throne in action

Rainwater Greenhouse - Update

Getting cobby!

the lovely Amit Chertoff, joins in for a day, just before heading back to Israel

Ethan is at home in the garden

Prepping bottles for more cob

reclaimed tile, thrift store grout, and tumbled broken bottle chips
create the potting surface

workshop participants get dirty with light straw clay

and base coat plasters

even old time friend, Max Edelson, stops by to get muddy for the afternoon

Lawrence is a pro at this rate, and helps teach the mixing techniques

Oiling the cut-face of the urbanite wall makes it really beautiful!

A little bit of bamboo conceals a less than perfect plaster detail

The main entrance begs you to enter

Chinking at all possible points of infiltration

Rainwater Greenhouse - From the Sketchbook

A sample of the sketches that moved this project along.

Started the design work in May.
Notice how the design changed (for the better) up until construction started in mid July.

Basically the 'final design'
Passive solar strategies and structural details finally sorted out.

Rainwater Greenhouse Project

My latest creation has been an exercise in Reclaimed Materials!

Building an earthen greenhouse combined with local salvage, for my dear friends, Ethan and Lawrence Rainwater in Eugene, Oregon. They have been transforming their 70's suburban lot into a garden paradise. At first the backyard had four large sheds and over 50% imprevious hardscape. They have salvaged the material from these sheds and paving, and Ethan hired me to build them into a greenhouse at the north edge of his yard with plans to extend his growing season. The structure will also house a young fig tree this winter and provide a winter coop for his chickens in the future. The structure I designed has only required one piece of new lumber and has absorbed over 3 tons of born again concrete!

Onward!

Laying the 2'x2' concrete blocks. Each was well over 100 lbs. This half wall along the back of the structure will provide a lot of thermal mass for the room and help moderate the temperature swings in colder parts of the year.

Hannah helps build the front wall, which will support the glass.

The urbanite stemwall on the solar side of the building is tied together with a ferrocement bond beam. This image shows the formwork and reinforcement before the pour.

The 4x4 frame is bolted together.

Knee bracing

Light stud framing and formwork for a Light Clay-Straw infill wall which will insulate the mass feature from the north.

Packing the Clay-Straw mixture

Removing formwork the same day.

Additional roof framing to support a steel roof, the first real expense in the project. We found a deal for around 50 cents per square foot.

Father and son do the installation.

Reeeeeach!

Framing the clerestory.

This part took a bit of figuring so that we could maintain operability.

We salvaged most of the glass from Eugene's very own BRING Recycled Building Material Supply Center. Learned a few lessons about reclaiming glass. Even as a very experienced glass cutter, tempered glass and safety glass aren't going to behave. The former I couldn't break no matter what I tried and the latter shattered into thousands of pieces at the slightest score. Tip on choosing glass you plan to cut into pieces, avoid doors which usually have treated glass, stick with old-fashioned windows and plate glass which can be cut with a few simple tools.

The lesson also provided an awesome photo-op

Now, on to some cob!

The east and west walls have a bunch of stud framing and shear bracing in them, but we wanted also as many windows as possible. Cob is the perfect medium for bring all those things together! Since the cob is not load-bearing we can also go much thinner than traditionally with the entire wall system! I like to add metal fencing material stapled to the framing to the center of the wall.

Planting the cinder blocks in the front urbanite stemwall.

Harvest yet to come!

Rainwater Greenhouse - Flipbook Progress

~Welcome to the Rainwater Greenhouse Project Overview~

Pictures from the same point
over the course of building so far,

enjoy!

The site as I arrived to it.
Ethan and his father had already done much of the work, prepping an 18" deep gravel trench for the foot of the building and cutting 2'x2' concrete blocks out of existing slabs on their property.

The perimeter wall, another urbanite treasure from this place.

The main bent of posts and beams goes up.

Laying the foundation.

Ferrocement gutter cures

Purlins and brackets and beams, oh my!

Metal roofing goes up and reclaimed glass sliding doors form the front wall.

The clerestory is also crafted from reclaimed windows.

to be continued...



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