Resources and Reflections

Source; PhysOrg.com

University has grand designs to build a house of straw (w/ Video)

July 27th, 2009

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Professor Pete Walker and Dr. Katharine Beadle are investigating the use of straw bales as a low carbon building material. Credit: Nic Delves-Broughton, University of Bath

Could straw houses be the buildings of the future? That’s what researchers at the University of Bath will be testing this summer by constructing a “BaleHaus” made of prefabricated straw bale and hemp cladding panels on campus.

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And people around the world will be able to watch its progress online via “Strawcam” from Monday 20 July at: www.bath.ac.uk/features/balehaus/
- part of a site which will also feature blogs, videos, photos and lots of other information about the project.

Straw is the ultimate environmentally-friendly building material since it is renewable and is a by-product of farming.

The crop used for the straw can be grown locally, and because it absorbscarbon dioxide as it grows, buildings made from it can be seen as having zero, or even a negative carbon footprint.

Could straw houses be the buildings of the future? That’s what researchers at the University of Bath will be testing this summer by constructing a “BaleHaus” made of prefabricated straw bale and hemp cladding panels on campus. Straw is the ultimate environmentally friendly building material since it is renewable and is a by-product of farming. The crop used for the straw can be grown locally, and because it absorbs carbon dioxide as it grows, buildings made from it can be seen as having zero, or even a negative carbon footprint. Credit: Sacha Goodwin & Myra Lee, University of Bath

Also, due to its high insulating properties, houses made of straw bales need almost no conventional heating, keeping running costs low and minimisingenvironmental impact.

The research team will be assessing straw bales and hemp as building materials so that they can be used more widely in the building industry for housing, helping the UK achieve its targets for reducing carbon emissions.

The two storey BaleHaus to be built on campus will be made using ‘ModCell’ – pre-fabricated panels consisting of a wooden structural frame infilled with straw bales or hemp and rendered with a breathable lime-based system.

ModCell is the creation of White Design in Bristol and Integral Structural Design in Bath. Other partners on the research project are Agrifibre Technologies, Lime Technology, Eurban, the Centre for Window & Cladding Technology and Willmott Dixon.

Some of the building has already appeared in the media spotlight. Last year the team helped Kevin McCloud, presenter of Channel 4’s Grand Designs programme, to build an eco-friendly house in six days using ModCell panels for the Grand Designs Live exhibition.

All the wall panels used for the ground floor of the Grand Designs house are being reused for the BaleHaus at Bath.

Read the full article at; PhysOrg.com

<Editorial commentary>

So, I guess this means that, yet again, Science is catching up with common sense. Given the old maxim that “Science changes one funeral at a time” it’s then reasonable to presume that someone IMPORTANT must have died. On a lighter note, the combination of straw and hemp is highly appropriate for Mendocino County in particular and northern California in general. Moreover, no matter how commonsensical a technology may be, there’s nothing like a couple (hundred) PhD research papers to legitimize it in the eyes of bankers, lenders, and engineeres. This and other similar efforts could make it easier to get approval for “alernative” methods from agencies, institutions and the powers the be. I call it a good thing.

Popularity: 8% [?]

Since it would seem that any route north out Redwood Valley, other than Tomki Rd.,  is currently unavailable behind locked gates, upon the advice of locals, I’ve mapped the route below. Starting at Hoppers Corner in Potter Valley, I’ll be heading due north to the Eel River and the road of the same name that leads through some very interesting looking country and eventually to Hearst-Willits Road and, perhaps some refreshment at Shanachie. The return to Redwood Valley via 101 should clock in at nearly 50 miles. I’m out the door by 4, camera in hand and the route uploaded to the GPS. Temp is about 85 and sunny with a stiff breeze from the west; perfect. The hammock, night clothes and sleeping bag are loaded and I may just camp out up on the high point, who knows?

Route as Planned

Potter Valley to Willits back country cruising
I’ll post the route below as ridden. Here’s hoping for no locked gates.

July 24, ,09; Back to Redwood Valley, and more or less recovered. Total distance 59 mi., total ascent 7000′, ride time about 7 hrs. And one hulluva ride too I might add. 2 miles from the start point at Hopper’s Corners,there’s a nice warmup climb coming north out of Potter Valley, gaining 800′ in two miles. The road surface is quite good, with clean, if narrow shoulders, until you cross the Russian River. Taking a left on Eel River Road, the pavement narrows and surface conditions fade to quilted asphalt as you head north by northeast along the east bank of the main fork of the Eel River. 12 miles from the start point you cross the Eel at an elevation of 1400′ and then commence a three mile climb up loose dusty gravel to the summit at an elevation of 2850′. there are two stretches with slopes exceeding 40%. There are also a number of gates between the bridge and the eventual outlet at Hearst-Willits Rd. After talking at length with the folks at Hopper’s Corners in Potter Valley, as well as with all the people I met along the way, the consensus was to leave the gate the way you found it, pass through without leaving the road, and announce your presence as you move. So I did. More »

Popularity: 27% [?]

Sherwood Road is a county road, but for most of its length you would never know it. The track shown on the map below begins at Columbi Market in Ft. Bragg and ends at Hwy 101 in Willits and the geo-tagged photos give a pretty fair idea of the conditions along the way; Pudding Creek “peanut butter” clays, named so both for their color and consistency when wet, which is a very good reason to ride this in the dry (May-October) season. The road runs more of less paralell to the Skunk Train route but offset a few miles to the north and several hundred feet in altitude.

Columbi Deli and Grocery, Ft. Bragg

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An excellent stop for carbs before tackling the long climb, this market seems unchanged since the 50's and is an institution in the neighborhood.

Popularity: 19% [?]

“Whether you are logging big trail miles or beating gas pump prices, the X-Alp Mid is your go to shoe. Built for the long haul, the R&R plate allows you to drop the hammer on the pedals but has enough flexibility and traction for when you have to get off and push up the big hills. Quick drying, highly breathable mesh/synthetic upper. Endo-skeletal fit system securely wraps feet.”

More »

Popularity: 17% [?]

This is a 35 mile loop with two significant climbs. The GPX file mapped below was hand made in Google Earth and will be uploaded to the Garmin for navigation purposes,

Cave Creek to Potter Valley
July 09; Planning on riding the route this afternoon, wondering about conditions at Cave Creek Rd.; did I get the route right, are there locked gates (the satellite photos were dicey at the crest)? SHould be an interesting ride. The camera and GPS are charged and ready to go, and the navigation route (shown above) is loaded and ready to go. Sunscreen, water and carbs and I should be out the door by 1:30.
Ok, finally out the door at 4:30.

Popularity: 24% [?]

This was my first attempt to create a KML path in Google Earth, use TCXConverter to transform the KML to GPX, upload the GPX to the GPS and ride the route. Oy! with the acronyms.
The USGS topo calls this Main Ranch Road, paralleling Eldridge Creek to the back side of Greenfield Ranch and thence to Orr Springs Road, right up at the top by Mann Ranch. With the permission of someone along the course of the road, I hope to ride all the way through from Redwood Valley and make a really nice 30 mile loop down Orr Springs, down to North State Street and back through Calpella to Redwood Valley. Not to mention this being the most direct route to the hot springs, less than 15 miles and very little traffic, saweeeeet! The road surface looks very dusty from the satellite photos, but fairly well traveled, with perhaps a dozen or so homesteads along the way by the looks of it.
On further research, I’m told by the Mendocino County Surveyor’s office that Main Ranch Road is a privately owned road with multiple owners.

Main Ranch Road
Hoping to ride this today, more news tomorrow.

Les indigienes

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An old farm at the crossroads

Popularity: 58% [?]

If you like to just wander around and stick mostly to the flat ground, here’s a thirty mile route around Ukiah and environs. Starting in Redwood Vally, its a quick spin own to Ukiah, a nice ten mile warm-up on the wide clean shoulders on Hwy. 101, and its legal too. Of course extra caution is required at exits and entries.
Then there’s a little tour of Old Town Ukiah and a loop out Talmadge road into the vineyards. Out here near Vichy Springs Road, you’ll find El Dorado and other Porsche-riddled enclaves up on the foothills above the valley.
Then its a quick loop back into town and back north to close the circle.

Ukiah valley tour

Popularity: unranked [?]

The turnaround point on this course is near the top of the so called “Black Bart’s Trail”. There are so many landmarks around here attributed to Bart that you have to take it all with a grain or two of salt. In any case, the ride up the colorfully named Road A provides some excellent vistas of Lake Mendocino, and by the time you get to the top its quite spectacular.

The surface is generally good clean asphalt with very narrow shoulders but traffic is pretty light. Clean asphalt till you reach the gravel part that is. From there on its steep, loose, dusty, dry 1″ gravel and requires a certain amount of finesse to stay upright. I’ve been told the road goes through to Potter Valley but I’ve not yet ridden the part past where the “Private Property” sign is turned perpendicular to the road. Next time tho, and I’ll bring the camera too.

I come back via Road B, where the track (below) veers north after the turn around. Again the road is narrow but winding and lots of fun. Beware of stray livestock and the occasional “surface irregularity”, but enjoy the run. Once back to the bottom lands its back north on East Road to Redwood Valley and a quick stop for hydration and a game of pool at Vic’s Place.
And, to close the evening, the long flat loop up East Road where it joins Tomki and West Roads, then back through the vineyards to the office. Happy Birthday America!

Black Bart Loop

Ok, July 20th and I made it over the top on Black Bart Trail and down into Potter Valley, with camera in tow. Got some pretty good photos including three of a California Green Rattlesnake. The folks of Potter Valley were warm and hospitable and more than happy to pose for the camera.

Totals: Distance; 36.61 mi., Ride time; 3:36:53, Ascent; 2360′

Rd. A – Black Bart-Potter Valley

The gallery below displays the geo-tagged images shown on the map above.

Start of the climb

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Base of Rd. A, grade varies from 5% - 14%, surface is adequate, shoulders are non-existent, traffic is fairly light.

Popularity: 34% [?]

Tomki Road to the north of Redwood Valley, as the county signs repeatedly make clear, is  ”not maintained in winter”. Well, its not much maintained in summer either. Rocky rough when you get up into the canyon, with the added attraction of seven water crossings, Tomki Road is always an entertaining and challenging ride.

Approaching from the south you ride through the rolling vineyards of Redwood Valley over a series of gradually rising steps heading north on either East or West Road, take your pick because both meet ath a three-way intersection with Tomki Road, at the north end of the Valley. About four miles in from the intersection, things begin to get interesting as the road starts to climb at about 12% for two and a half miles, rising almost a thousand feet from that point to the crest at 1935′. Along the way you’ll pass one buddist and one greek orthodox monastery as the narrow but reasonably clean asphalt rises in a series of about ten tight, winding ’s’ curves through thick forests of california oak, white fir and even the occaisonal redwood, all second and third growth.

Oh yes, and don’t forget the poison oak, its thick as lobbyists on congress. I’m a big advocate of Hawaiian philosophy as applied to cycling; eat when hungry, rest when tired, ride when ready, drink whenevah. But when resting along the road in northern California, beware, unpleasant surprises can lurk in the grass. Poison oak is chifest among these, but the very prickly and uncomfortable Goat’s Head is a thing to be reckoned with as well. To barrel through the copuntryside as if the devil is on your heels, without stopping to take in the scenery seems a waste to me, so, by all means,  stop to take it in, but choose your perch carefully in these parts.

Feast your eyes upon the details, recorded July 3rd on a cooling late afternoon.

Tomki Road

Popularity: unranked [?]

Pacific Northwest forests could store more carbon, help address greenhouse issues

July 2nd, 2009 PhysOrg.com

The forests of the Pacific Northwest hold significant potential to increase carbon storage and help mitigate greenhouse gas emissions in coming years, a recent study concludes, if they are managed primarily for that purpose through timber harvest reductions and increased rotation ages.

In the complete absence of stand-replacing disturbances – via fire or timber harvest – forests of Oregon and Northern California could theoretically almost double their carbon storage.

Although it isn’t realistic to expect an absence of disturbance, the estimates were based on average conditions up until now that include variation in forestbiomass, age, climate, disturbances and soil fertility. If all forest stands in this region were just allowed to increase in age by 50 years, their potential to store atmospheric carbon would still increase by 15 percent, the study concluded.

That would be a modest, but not insignificant offset to the nation’s carbon budget, scientists say, since this region accounts for 14 percent of the live biomass in the entire United States.

The findings were made by scientists in the College of Forestry at Oregon State University, as the result of almost two decades of analysis of 15,000 inventory plots in a large region, through several different projects, as part of the North American Carbon Program. The scientists, who said they have often been asked what the theoretical potential was for storing carbon in these forests, conducted the analysis using inventory data that captured current variation in biomass due to many factors

Read the whole article on PhysOrg.com

Popularity: unranked [?]