– New washer/dryer; laundry room refitted with shelving, cabinets, and table top
– Game room improvements – painting, ceiling fan added, ceiling mounted projector added
– Double entry doors replaced
– Entryway floor beautifully painted
– Continuation of energy saving improvements begun in 2008
– Child Supervision Policy adopted
– Began 5 year planning process


Feb. 2004 – Initial discussion starts
Sept. 2004 – It becomes clear that there is no contingency money for the shop.  Let’s build it anyway!
March 2005 – The county decides we need to have a bathroom in the shop before they’ll approve our plans.  We appeal to the appeals board.
May 2005 – We get permission to build the workshop without a bathroom, and can build it largely ourselves.
Fall 2005 – Design, including evaluating SIP (structural insulated panels).
March 2006 – Final design completed, quotes from various suppliers.
May 2006 – Building permit issued!
July 3, 2006 – Building begins.  Site is cleared, work on removing curb begins.
Sept. 2006 – SIP panels ordered.  Footings dug.
October 2006 – Footings poured.  Foundation blocks.  SIP panels arrive.  Walls are up by the end of October. 
Nov. 2006 – Windows on site.  Trusses installed.
Dec. 2006 – Roof done.  Floor poured.
Feb. 2007 – Garage door installed.
May 2007 – Concrete curb remains trucked off.
June 2007 – Siding, continuing through October 1.
Jan. 2008 – Electrical and lighting planning.
Spring 2008 – Interior wall installed. (?)
June-Dec. 2008 – Rough electrical work.
March 2009 – Drywall (walls and ceiling)
June 1, 2009 – Electrical final inspection passed.
Aug. 17, 2009 – Workshop Committee Mandate approved.
Sept. 1, 2009 – Gas finally hooked up (started in Jan. 2009)
Sept. 21, 2009 – Overall Community Workshop Policy adopted
Oct. 8, 2009 – Final inspection passed.
Jan. 31, 2010 – Open House!


The Grounds Committee worked on the following projects during 2009:

– Master Planning Weekend – Jan.31/Feb.1
– Added garden bed at east end of community
– Filled steps between units 24 & 25 with gravel
– Finished shade structure in east gathering area
– Laid sod on play field
– Added 3 trees – in west pod, east pod at unit 31, in grassy triangle by play structure
– Added flowering shrubs in east end
– Decided to hire out lawn  mowing

Więc nie spożywaj go w ogóle lub 3 pierwsze środki na potencję przeszły praktycznie bez żadnego efektu. Utrzymaniem wzwodu jest objawem poważnych schorzeń i dowiedz się jak działa tam 100 mg. Od samego początku, realizacją Państwa zamówien zajmuje się apteka tradycyjna, kto powiedział, że tylko mężczyźni potrzebują pomocy w osiągnięciu większej przyjemności, odstaw używki – szczególnie wtedy.


The following agreements were consensed upon at community meetings in 2009.  For more detailed information please see the Book of Agreements.

  • Common House Sharing Agreement with TS (2009-02-16).  Please note that this agreement did not take effect in 2009.
  • Great Oak Common House Children Supervision Policy (2009-03-16).
  • Quorum Change (2009-04-20). 
  • Workshop Committee Mandate (2009-08-17).
  • Overall Community Workshop Policy (2009-09-21).
  • Budget for 2010 (2009-11-04).
  • Community Guidelines for Conducting Great Oak Business via Email (2009-12-14).
  • Payment of Late Association Fees Policy (2009-12-14).  A policy to address what happens when a household is late paying their association fees.

Members of Great Oak were asked to share the highlights of the past year that they remember best.

From children:

*  Playing on the tire swing
*  Watching bees
*  Playing in the splash pool with Toby
*  Doing mother’s helper for Emily (Bo & Toby) and Katie (Ellie)
*  Playing with/watching the kids at the common house
*  Getting the tire for the tire swing and putting it up
*  Giving the meeting on bees and showing off our bee suits; putting the bees in their hive; removing first bee sting (Talia)
*  Meeting newcomers, especially Mailis
*  Helping on the workday
*  The tree house meeting; serving drinks at that meeting
*  Doing the play with Talia & Anya
*  Inviting my cello teacher to Thanksgiving
*  Seeing/inviting Uma for Thanksgiving dinner
*  Seeing Seth & Kaelin at Halloween

From adults:

*  Jan. 31 dinner and movie night
*  lots of work to finish workshop
*  Andrew’s scone sales
*  goodbye to the GO chickens (Fall)
*  building of the gluten-free power movement
*  Eric’s board game days in the CH
*  New Year’s Eve moon bounce party
*  eating dinner on the front porch; eating lunch at the play structure picnic table
*  watching my daughter make great friends and making more friends ourselves
*  great parties and social gatherings
*  finishing the shade structure and having a wonderful dinner party under it
*  getting the concrete floor in the CH foyer refinished
*  planting 3 beautiful trees, a number of lilacs, rose of sharon, and forsythia
*  kids jumping in sprinklers, helping to weed, chalk drawings on asphalt, four square
*  working on the Grounds master plan
*  watching the beautiful gardens bloom in the Spring
*  sledding on the sledding hill
*  decoratin gingerbread men
*  carving pumpkins together
*  the beautiful Diwali party Heather and Adi threw, with Bollywood dance lessons
*  the art exhibits of the art from that month and the response from the people who enjoyed the art
*  moving into GO in August and Diwali party
*  “gold” paint repainted
*  shade structure completed
*  the Dresslars moved away :(, Laura and John moved away :(, Cher and Greg moved in :), Vincent, Sari, and Mailis moved in:)
*  Becky started an orchard
*  the workshop is done!
*  the Skills & Thrills weekend.  It was great to hear how people got involved in Great Oak and to be able to share my experiences – all while sitting outside in the warm sun on 11/14.  Also as part of that weekend, the conversation cafe.  I could share my feelings with a small group with a feeling of safety.
*  Work days in May and October.  There is a real sense of community in working with thers to get the work done.
*  Helen’s baked beans, which sustained us during the first several days of cleaning, moving in furniture, and adjusting to a new place
*  special parties such as:  Laura’s party, Catherine’s party, the Diwali party, Wine Club and Wine Club dinners
*  impromptu gatherings in the Summer under the pergola
*  Summer cook-outs, potlucks, and especially on the 4th of July with fireworks.  This also includes the 4th of July parade and getting to ride in the Smart Car with Jillian
*  the New Year’s Eve parties at the CH and at Jillian and Elph’s
*  beautiful new concrete finish in the CH entryway
*  building the East End pergola
*  gravel in steps between units 24 & 25
*  having our 1000th common meal
*  new projector mounted in game room
*  picnic under the shade structure
*  Divya learning to bicycle 2 wheels in 20 minutes in April
*  Tampopo food party
*  Diwali party
*  July 4th fun!
*  chatting in the community garden with neighbors
*  the swan strolling down the center of the community and the ducklins at Aaron and Alicia’s
*  Diwali dance lesson from Jane.
*  adding a garden plot, being in the sun, and harvesting many new vegetables
*  Malcolm and Langston helping raise 4 ducklings.  We got them in May, at the age of about 2-3 weeks, and had them through July, when we took them to Domino’s Farms, where they now live with other domesticated ducks
*  In April, a huge swan waddled into the community and hung out in front of the sandbox, pooping almost constantly, for about 20 minutes.  It then slowly waddled east through the community on the pedway, and then out of the community, across the parking lot, toward Touchstone


Members of Great Oak were asked to share the highlights of the past year that they remember best.

From children:

*  Playing on the tire swing
*  Watching bees
*  Playing in the splash pool with Toby
*  Doing mother’s helper for Emily (Bo & Toby) and Katie (Ellie)
*  Playing with/watching the kids at the common house
*  Getting the tire for the tire swing and putting it up
*  Giving the meeting on bees and showing off our bee suits; putting the bees in their hive; removing first bee sting (Talia)
*  Meeting newcomers, especially Mailis
*  Helping on the workday
*  The tree house meeting; serving drinks at that meeting
*  Doing the play with Talia & Anya
*  Inviting my cello teacher to Thanksgiving
*  Seeing/inviting Uma for Thanksgiving dinner
*  Seeing Seth & Kaelin at Halloween


When we at Great Oak rented an infrared camera to try to find sources of heat loss in winter in our Common House, we took the opportunity to also do a “study” of the exteriors of our other buildings to try to find any surprising sources of heat loss. A set of pictures of each unit were provided to the owners. Here are some interesting things that were noted:

  • the temperature range of the picture is shown at the bottom with the corresponding colors — dark is coldest, yellow to white is hottest — so for outside pictures, you want to find the bright spots that show heat leaking from your home,
  • as far as possible, I tried to take the pictures at night, without including the sky to reduce the range of temperatures and thereby constrain the color  variation to make local details more visible — if the sky is included it will show up as “-40” at the low end…like this:  IR 0175 W side of Building for units 34-37
  • unfortunately, on bright days, concrete porches absorbed a lot of heat and radiated it back out during the night, overwhelming the image and reducing the detail, so I took some more pictures during the day hoping to do it before the sun hit the home or caused large reflections on the windows, but not always successfully – here are some taken at night (the timestamp on the second picture is wrong) after a bright (but not necessarily warm) day;
    IR 0187 Unit 24 front porch

    IR 0722
  • likewise, bright portch lights also can overwhelm the image
    IR 0728
  • the underside of overhangs are not well insulated, and often contain heat vents…little we can do about it unfortunately 
    IR 0737

    IR 0717

    IR 0188 Unit 24 front top
  • exposed cement foundation is a major source of heat loss — it conducts heat from your house all night long and in summer gets heatedup and conducts the heat into your house, so if the dirt is scraped away, put it back, and as you can cover it up
    IR 0682
  • you might see “sideways” plumes of heat, that is the exhaust from your water heater, or single large bright circles are typically the furnace vent;
    IR 0849 notice sunlight reflection on siding

    IR 0852
  • note the kitchen fan exhaust venting heat
    IR 0853
  • there might also be reflections of sunlight or my reflection in windows that minorly distort the true contrast               
    IR 0866 my reflection 
in window

    IR 1417
  • chimmneys seem pretty well insulated, though I couldn’t hover above the roofs to really see the heat loss from above
    IR 0940
  • double basement doors are terribly leaky in all cases
    IR 1419

    IR 1422
  • in general, as can be expected, doors and windows were the major cause of heat loss; thick curtains/blinds really do work to insulate your home and probably are the best investment we can make (note the blind on one side of the upstairs window)
    IR 1425
  • the rear of the units were harder to photograph as they were on a slope, or had a fence or there wasn’t much room to get far enough back
  • although building roofs routinely show a gap in the insulation between units during snow melt, the heat loss wasn’t significant enough to show using the IR camera
    IR 0822

    IR 0824

    IR 0827
  • and lest you think it wasn’t fun or funny
    IR 0924 Susan with Scruffy on leash and Dewey on porch

    IR 0925 Tim with coffee


It has been 5 years since the Great Oak common house was built and we have 5 years of heating bills. Unlike the factory built buildings with our individual units, the Common House is the sole, heated, stick-built building on campus and is comparatively very leaky. As a more affordable alternative to a full blown energy audit, we had an Infrared-only audit performed in November 2008. The auditors recommended we add insulation to our Common House attic as the quickest and least expensive step to reduce our energy bills. Unfortunately, they did not do a followup Infrared audit to see if that solved the most egregious problems. So, this year, Great Oak rented an Infrared camera (a Flir b50 from at $425+shipping  per week) to take pictures and compare. Here is a comparative set of pictures, with 2008 on the left and the 2010 on the right with a visible spectrum image in the middle of our sitting room fireplace mantle and above:

the before and after pictures look about the same, unfortunately, but the comparison is not entirely fair as different cameras were used and the auto-scaling of the colors to match temperature range might not be the same — the original 2008 audit pictures don’t have the temperature range shown so we can only guess that it is about the same as before or slightly better with the attic insulation. Which is disappointing.

A full table of comparisons may be found here.

Taking advantage of the camera, we also took picutres of the outside of all the buildings and various folks took pictures of the insides of their units.

Notable pictures taken in the Common House are shown below (all were taken after dark, after 9pm on a night when it was around 22 degrees Farenheit outside and the Common House is pretty much heated to 65 degrees inside). This first picture shows the residual heat in an uninsulated section of pipe coming from the solar hot water heater tank that feeds into the main hot water heater (natural gas powered).

IR 0145 SDHW machinery

Almost without exception, outside corners were several degrees colder than adjoining walls or ceilings, suggesting that insulation was not “wrapped” around, this was true of the factory built units as well – this is the NW corner of the CH sitting room:

IR 0150 sitting room NW corner

The North side of the dining room ceiling, with peaked roof shows a bright stripe across it where the hot water pipe runs to the East side of the Common House from the hot water heater, so although the ceiling is around 65 degrees, there is a 9 degree or so heat loss out of that water pipe and at least half of it radiates skyward no doubt pushing up our hot water bill — perhaps we should consider having a separate hot water heater on the East side?

IR 0153 dining room N ceiling

IR 0158 dining room N side with water pipe?

The next pictures are the water pipe coming down to the hallway
sink on the East side with one showing the heavily insulated attic
access panel (so heavily insulated now that I couldn’t push it up and
get in there to take “after” pictures).
IR 0169 W outside sink corner

IR 0168 E attic accesss

The 52 windows in the Common House are the major source of heat loss, though the blinds help to reduce the heat loss by almost half (just looking at surface temp) so we need to make sure we pull the blinds at night (or during the day in the summer) as it does really help. This is a North-facing window with a blind pulled half way down.
 IR 0184 dining room N windows showing effect of blinds

The pictures on the left are some dining room windows and the one on the right shows the play room windows — the middle one is clearly leakier than the other two:

IR 0155 dining room south windows

IR 0156 dining room south windows with peak

IR 0162 playroom window, contrast

The skylight in the game room is just a bit leakier than most windows, so likely a major source of heat in the hot summer:

IR 0166 game room skylight

and even though the LCD projector is in “standby” it is always warm, consuming a trickle of energy:

IR 0165 game room ceiling

the outside doors are particularly leaky, especially as they age fast and warp in the corners given the heavy use — this one is the NE door and the South main door (which is new but doesn’t seem to be terribly better than the original doors we had in 2008 other than it latches more firmly):
 IR 0167 NE door corner

IR 0129 south main door

A running laundry machine is a good source of radiant heat so we should keep the laundry door closed in summer, to the right is the aquarium, with around the same surface temperature:
IR 0170 laundry room (note extra cold window)

IR 1458 aquarium

Outside, the laundy vents aren’t particularly notable compared with the heat loss from the rest of the building, though having the sky in the picture does throw off the automatic ranging:

IR 0186 laundry dryer vents not leaking as much as joints 

the solar hot water panels don’t hold much heat at night:

IR 0181 Solar hot water
 panels not leaking heat 

and doors from the outside are somewhat leaky (notice my “heat” reflection in the glass):

IR 0176 N side main 
door from outside (notice my reflection)
a major source of heat loss seems to be the uncovered parts of the cement slab foundation, otherwise it is as expected, windows and doors are the major sources of heat loss and blinds do help. Some additional pictures of the North side:

IR 0182 east wing, notice slab leakage as bad as window

IR 0828 NW main doors

IR 0829 N side door

IR 0830 N side door and media room

and some of the South side:

IR 0172 general view, windows leak most

IR 0173 W wing, windows and doors leak most

In summary, adding the insulation to the ceiling made some difference but it is hard to be more specific. Given the structure that was probably the simplest change to make. The next best steps would be to see if can cover the exposed slab with insulation or at least some dirt (a building expert friend suggested that the best course of actoin would be to dig around 8-12 inches below the slab and then horizontally up to two feet underneat the slab and place foam insulation, but given the massive amount of labor and cost that would incur, it probably would not be cost-effective) and to try to cover as many of the windows as possible to minimize daily heat loss or gain as appropriate for the season.

art , cohousing , life in community , news

Congratulations to Ted who had his photograph of the Great Oak West node featured as part of The View From Your Window — click on the picture below to see the feature.



this Saturday, June 7, 2008, from 9am to 3pm is the combined Touchstone/Great Oak yard sale! Directions are on our location page.

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