SharePrint RelatedDon’t let the cold keep you in! — Geta Hamn (GC2WH0F) — Geocache of the Week Winter Inspiration EditionFebruary 19, 2014In “Community”Fontana di Trevi GC1QC5D GEOCACHE OF THE WEEK – May 15, 2012May 14, 2012In “Community””Lego – einer ist zuviel” GC13Y2Y GEOCACHE OF THE WEEK February 14, 2011February 14, 2011In “Community” View near the cache locationThe geocache “Para Emmy-n-Sapphie” (GC19941) sits just outside one of the most recognizable vistas in the South American country of Peru. According to the cache page, the micro-cache is “hidden along a path on the outlying edges of Machu Picchu.”The fascinating history of the site and the breath taking views reward geocachers for their find. Many tourists hike a substantial portion of the 2,450 meters (8,040 ft) trek up the mountain.The difficultly three, terrain 3.5 geocache was hidden in 2008 by GiGi and JoJo. It’s maintained by a local friend of the cachers. The cache received more than 20 Favorite Points. Its been logged by 281 geocachers so far.Geocachers who visited the tourist destination and logged “Para Emmy-n-Sapphie” write, “A perfect day for Machu Picchu. Coming here with heavy rain, fog, clouds and not so much tourists. And during noon the sun was coming out. The cache I found quickly.”Para Emmy-n-SapphieCaption on the cache page photo reads, “Cache guardians…”Continue your exploration of some of the most engaging geocaches from around the globe. Explore all the Geocaches of the Week on the Latitude 47 blog or view the Bookmark List on Geocaching.com. If you’ d like to nominate a Geocache of the Week, send an email with your name, comments, the name of the geocache and the GC code to email@example.com.Share with your Friends:More
Formaldehyde offgassingThe major problem that led to the near destruction of the UFFI industry was the fact that the material can offgas formaldehyde. Back in 1982, when the Consumer Products Safety Commission temporarily banned the material, formaldehyde was considered a “probable human carcinogen,” but the hazard warning has been upgraded to “known carcinogen.” Alex is founder of BuildingGreen, Inc. and executive editor of Environmental Building News. In 2012 he founded the Resilient Design Institute. To keep up with Alex’s latest articles and musings, you can sign up for his Twitter feed. The industry largely disappeared. While there had been 39 manufacturers of UFFI in 1977 and upwards of 1,500 installers, there were just a handful by the early ’80s. Most of us pretty much forgot about the product. Consistency of shaving creamAmino foams are fully expanded at the time of installation — unlike polyurethane foams, which expand as they are sprayed into a cavity or onto a surface.The foams are very flowable, and, according to Bob Sullivan of cfiFOAM, can fill vertically as much as 18 feet, though he cautions that rapid setting can be problematic with rises above 12 feet. The flowability allows the insulation to fill concrete cores very effectively, including around hardened mortar protruding into the cores. UFFI is still aroundThe UFFI industry shrank to just seven manufacturers by 1981, then two large producers, Borden and Ciba-Geigy, ceased production. But the remaining five companies have continued to produce UFFI, though under different names. Most of those companies have gone to significant effort to avoid any association with UFFI.Among the five manufacturers of UFFI today, you will variously see the material referred to as “injection foam,” “amino foam,” “aminoplast foam,” “tri-polymer foam,” “dry-resin foam,” and various combinations thereof. The only reference you’re unlikely to see is “urea-formaldehyde,” and if you ask manufacturers what the stuff is most will go to great lengths to obfuscate their response. MANUFACTURERS C.P. Chemical Company (TriPolymer Foam) www.tripolymer.comcfiFOAM, Inc. (Core Foam Masonry Insulation, InsulSmart Interior Foam Insulation, and InsulSmart MH) www.cfifoam.comPolyMaster Insulating Foams (R-501 and RetroFoam) www.polymaster.comTailored Chemical Products, Inc. (Core-Fill 500) www.core-fill500.comThermal Corporation of America (Thermco Foam) www.thermcofoam.com Misleading information on performanceAlong with confusing information about what the amino foams are — and their history as UFFI — some manufacturers have made grossly misleading claims about performance. The material insulates to about R-4.6 per inch, which is quite good. You may see claims of performance as high as R-5.1 per inch, but if you read the fine print, you’ll find that the higher performance claim assumes measurement at 25°F instead of the more standard 75°F.More significantly, you may see exaggerated claims about the resulting R-value of CMU walls insulated with amino foam. Tailored Chemical Products, the manufacturer of Core-Fill 500, continues to claim exaggerated R-values above R-14 for 8-inch CMU walls insulated with the company’s UFFI insulation.In reality, the R-value of an 8-inch CMU wall insulated with amino foam is highly dependent of the density of the concrete. With very low-density blocks — 85 pounds per cubic foot (pcf) — two-core blocks insulated with this insulation provide a whole-wall R-value of 11.3. With heavier (more dense) concrete blocks the R-values drop. With medium-density blocks (105 pcf) the whole-wall insulating value drops to R-8.2, and with high-density block (125 pcf), the whole-wall R-value drops to R-6.0. The dramatic difference between the R-value of the foam insulation alone and insulated concrete blocks results from thermal bridging through the concrete webs in the blocks. RELATED ARTICLES Foam-in-Place InsulationIs Tripolymer Spray Foam Insulation a Healthy Choice?Q&A: UFFI insulation removal Shrinkage of foamMore significant than formaldehyde offgassing, I believe, is shrinkage that can occur with amino foams. Typical shrinkage after installation is 0.5%, but in some cases shrinkage can be as much as 2%, or even 4% according to some sources. According to cfiFOAM, the impact of shrinkage is accounted for in the reported whole-wall R-values by at least that company, but it’s still a big concern. Formaldehyde offgassing continues to be a concern with amino foams, but improvements in the chemistry by all of the manufacturers has significantly reduced offgassing. Amino foam insulation cannot be used in a buildings going through Living Building Challenge certification (because formaldehyde is a “red list” chemical that is banned in such buildings), but for a typical CMU building, the formaldehyde issue is not nearly as significant as it once was. What is it?To really understand what UFFI is, one may need a degree in polymer chemistry. cfiFOAM, which is the most forthcoming of the manufacturers in production today, describes the material as being “part of the family of amine/furan resins consisting of phenol, urea, and melamine, coupled with an aldehyde.” The company explains in a fact sheet that “amino resins are thermosetting materials produced by reacting amine groups (NH3) with an aldehyde, such as formaldehyde.”The reaction results in a blend of three different polymers — monomethylol, dimethylol, and trimethylol-substituted urea — which leads one manufacturer, C.P. Chemical, to refer to its insulation as TriPolymer foam. This resin is further reacted with an acid catalyst in a condensation process, and the resultant resin is dried (sometimes in a kiln) to produce a powdered, dry resin that can be stored and easily shipped.Insulation contractors use specialized equipment to mix the powdered resin with water, surfactant, and catalyst to create the injectable foam. By carefully controlling the mix of these different components, the release of free formaldehyde — one of the main problems in the past — is greatly reduced.Phosphoric acid is often used in this process, and that chemical imparts some fairly good fire retardant properties. To the best of my knowledge, there are no halogenated flame retardants used in any of the amino foams — which is a significant benefit of the material. The bottom lineUFFI (a.k.a. injection-installed amino foam) has some quite attractive features, and I believe these to be a fairly good option for concrete masonry construction. Very significantly, it is the only foam-plastic insulation that does not contain halogenated flame retardants. Were it not for the shrinkage and the lack of clear information and transparency by most of the amino foam industry, I would feel even better about it. In working on a major revision to The BuildingGreen Guide to Insulation Products and Practices (available bundled with a webcast), we’ve had an opportunity to dig into some of the lesser-known insulation materials on the market. Some of what we’re found has been surprising.Remember urea formaldehyde foam insulation (UFFI)? Back in the late 1970s and early 1980s it was the ultimate bad guy of the insulation world. Installed in hundreds of thousands of homes in the U.S. and Canada following the 1973 energy crisis, UFFI was found in some circumstances to emit high levels of formaldehyde and shrink considerably, resulting in performance problems.The Canadian government spent millions of dollars insulating 80,000 to 100,000 homes with this insulation, then spent many more millions un-installing it when reports of problems emerged. Canada banned the product, as did the Consumer Products Safety Commission in 1982 in the U.S. — though the U.S. ban was reversed a year later. Used for insulating concrete-block constructionThe primary application for UFFI today is to insulate hollow concrete masonry units (CMUs) or concrete blocks — and I think it is a fairly good solution for such buildings. It can be also used as a retrofit insulation for wood-frame cavity walls, but there are better products for wood-frame construction.
A low-intensity blast took place in Teesta Bazar area of Darjeeling this morning as the indefinite shutdown in Darjeeling Hills entered the 72nd day.Though there were no reports of any casualty or injury to any person, some shops were damaged.Darjeeling district officials said, the blast was triggered on a road near Teesta Bazar, close to the Teesta bridge.The police is investigation the matter.The blast comes just a day after twin blasts shook Darjeeling hills. In Thursday’s blast also, there was no report of any casualty or injury.Friday’s blast is the third such incident since the indefinite shutdown to press for a separate Gorkhaland state, began over two months ago.On last Saturday, twin blasts rocked Darjeeling hills in which one civic police volunteer was killed and two others were injured.The Gorkhaland Movement Coordination Committee (GMCC) is all set to meet at Kalimpong today to discuss the issue of attending the August 29 talks convened by the state government in response to the GNLF’s letter requesting for a dialogue to restore normalcy in hills.The GMCC comprising members of all the hill parties, including GJM and GNLF, is headed by the GJM.The GJM on Thursday wrote a letter to the West Bengal government expressing its willingness to attend the August 29 talks to resolve the Darjeeling stalemate, abandoning its earlier stand.The letter, written by Binay Tamang, a leader of Gorkha Janmukti Morcha (GJM) to Chief Minister Mamata Banerjee, said, .“No other alternative or modified step will do justice to our plight…other than creation of a separate Gorkhaland.”’ Mr. Tamang’s letter was preceded by a letter GJM chief Bimal Gurung wrote to the state government on Wednesday requesting for a “political dialogue” on the demand for a Gorkhaland.
USA’s Dana Vollmer took the limelight in the pool at the London Olympics on Sunday as she wiped out the world record in women’s 100 metres butterfly final to claim a gold medal. Vollmer touched home in 55.98, toppling the previous world mark of 56.06 seconds set by Swedish world champion Sarah Sjostrom at the 2009 World Championships, Xinhua reported.Chinese sensation Lu Ying came from behind to take a silver at 56.87. The bronze medal went to Australian Alicia Coutts who finished 56.94.Vollmer, winner of the event at the 2011 Shanghai World Championships, was sluggish off blocks with a second lowest reaction time. But she managed to usurp the lead soon after and never looked back to touch the wall first.It is the second gold medal US took in swimming pool, following the one won by Ryan Lochte in men’s 400 metres individual medley on the opening day on Saturday.”I’m so excited and on top of the world right now. I’ve never had an individual world record and now gold medal. Everything went as I could have wanted,” said Vollmer after the race.”I didn’t feel so good in the last 50(metres). My second(swimming) cap came off, I haven’t had that happen before,” said the 25-year-old, laughing a little.”I had kind of a bad finish and that was the thing I was focusing on. I was just trying to get my hand on the wall.”Lu, bronze medalist at Shanghai Worlds, had a second reaction time off the block and was the fourth at the turn. But she launched a burst in the second 50 metres and got over rivals to finish second.advertisement”The first 15 metres I didn’t swim badly. At the end of the race I swam with all my personal willingness,” said Lu after the race.She said her performance was down to hard training, adding she still had to work harder to catch up with Vollmer.Coutts, silver medalist in Shanghai, also came from the eighth place at the turn and managed a super-fast last 50 metres.”I have got mixed emotions about the race but I am really glad to have come away with a medal as I chucked in the water with 50(metres) to go. I think I could have come away with a silver,” she said.Coutts congratulated Vollmer on her success, saying “I know she goes out really fast but I tried to stay to my race plan and not get caught up in her race plan.”Lu was the fourth Chinese swimmer to take an Olympic medal in London, following a glorious Saturday night of teammates Sun Yang, Ye Shiwen and Li Xuanxu.Sun had an emphatic win over South Korea’s defending champion Park Tae Hwan in men’s 400 metres freestyle, making himself the first Chinese male swimmer to claim an Olympic gold medal.The 16-year-old Ye shattered the world record to claim a gold in the gruelling women’s 400 metres individual medley, and compatriot Li took a bronze.
Stars including Simon Cowell, Lauren Silverman, Dame Joan Collins and Tony Hadley were out in force on Saturday 1 October to show their support for the Shooting Star Chase Ball, which raised a record amount of £150,000 for children with life-limiting conditions in London and Surrey.Dame Joan Collins at Shooting Star Chase BallThe event, which took place at The Dorchester, was hosted by TV presenter Angela Scanlon, and featured entertainment from Grammy and Emmy award-winning artist, Kipper Eldridge, who performed a David Bowie tribute with special guests – Vice President of Shooting Star Chase, Tony Hadley; Blue’s Lee Ryan; and Britain’s Got Talent’s Connie Talbot.350 guests enjoyed a five course meal by executive chef Henry Brosi before taking part in a live auction where money-can’t-buy lots were on offer to the highest bidder – which included luxury holidays in the Bahamas, Portugal and Mexico; a dress worn by Dame Joan Collins in Dynasty; and a private box at the Royal Albert Hall to see Tony Hadley in concert with the South Bank Philharmonic Orchestra. The lots raised a total of £115,00, with Simon Cowell offering winning bids for a private dinner for 10 cooked by celebrity chef Ollie Burgess and the private box to see his pal and fellow Vice President, Tony Hadley perform.Patron, Dame Joan Collins, gave a speech on the night and talked about her own experience as a parent with a sick child: “I’ve been involved with the charity for many years and I’m more and more impressed with the selfless dedication of the staff. Having once been in devastating circumstances like this myself, I’m only too familiar with the sense of despair this engenders.”Vice President, Simon Cowell, followed, and spoke about his passion for the charity: “Shooting Star Chase is a very personal charity. It’s not just about nights like this, the real work is the day-to-day support they give the families. I can say now as a dad I really appreciate what this charity does and what it really means when you need people to look after you.”Other fundraising from the night is currently being counted and the total is expected to exceed £150,000. Now in its 12th year, the Shooting Star Chase Ball has raised more than £1 million since its launch in 2004.Karen Sugarman, Director of Fundraising at Shooting Star Chase, said about the event: “The Shooting Star Chase Ball is always a very special evening and this year has been no exception. We are so thrilled and overwhelmed by the generosity from each and every one of our guests and their support will make a huge difference to the lives of the children and families we provide vital care for at our hospices. It’s been an absolute pleasure to ask my close friends in music to perform for us and put together this star studded night in honour of the truly great icon, David Bowie.”