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RichB. Alen Set Piercing (wear)
RichB. Eye Plaster
At Mancave Event
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Plaster and soot mottling on this Portuguese building almost made it look like a 3D print, but nope - just a weird color/texture.
When it came to something that had an interesting texture to post in Macro Mondays this week, with the theme of ‘Textures’, I had to look no further than the end of my arm! There, in all its pristine glory was a lovely white plaster cast!
Taking a macro shot of it, with difficulty, I might add, I was amazed by the mixture of textures that go to make up the cast. Plaster Bandage is made from a special woven cloth, uniformly impregnated with the finest quality, fast-setting plaster of Paris or by its real name Calcium Sulphate. After the process of applying wet casting material has been completed, the cast will start to dry in about 10 to 15 minutes. Eventually becoming solid and encasing the fractured bones!
© Leanne Boulton, All Rights Reserved
Street photography from Glasgow, Scotland.
Digging through previously unpublished shots, such as this from April 2018, is just a sticking plaster on a gaping street photography wound. I wish it was safe for me to be out there now, perhaps one day in the distant future it may be so again. Stay safe everyone.
A late afternoon departure helps silhouette the 111's profile as it begins its 26 mile trek to the Fish Creek quarry rolling north over one of many dry wash crossings.
USG 111 makes an afternoon run from the United States Gypsum wallboard plant in Plaster City out to the quarry 27 miles East of town with limestone empties and a load of water. The USG Railway is America's last operating narrow gauge freight railway, operating on a three foot gauge and rostering a pair of MLW/Bombardier DL-535EWs.
Shortly after arriving in town and its crew tying down handbrakes on the 24 loads, and spotted the lone water tank car, USG No. 111 would rest in the evening sun where it’ll sit it out until the next call to duty.
It’s quitttin’ time, the engineer lightens his load dumping out his cooler before helping his conductor tighten handbrakes before heading home for the day.
this is the plaster ceiling in a delightful place called the Parkside Candy Shop in Buffalo, NY; besides being a place to buy wonderful candies and chocolates by the pound, it also is a soda fountain and serves sandwiches
if you've ever seen the Hollywood film "The Natural" you may remember the scene in which Robert Redford and Glenn Close dine here
Example of an older, asbestos plaster wall system on wood lath. While these plaster materials may look like any typical plaster, that's partly the point of this photo: asbestos-containing plaster might be present in any ordinary-looking plaster material; whether the plaster is troweled-on or spray-applied onto wood or metal lath, on gypsum wallboard panels, onto concrete or applied to any type of substrate. In this particular example, asbestos was found within the thicker, plaster base layer.
For a more conclusive determination about whether or not plaster contains asbestos (or any type of suspect material for that matter), multiple bulk samples of the material, including all layers of a "system", are to be properly collected by a trained, certified, and accredited ("licensed") asbestos inspector, and then tested via specialized, laboratory microscopy method(s) to determine asbestos presence or absence and its respective percentage therein. The testing can be relatively inexpensive, ranging on average between $6-to-$30 USD (or more) per sample, per layer, often depending upon required turn-around time
Another point of interest regarding the plaster system in the above example is that there are actually three layers of plaster: the bottom ("render") thick base-layer; the thin ("floating" or "setting") skim-layer, and a textured finishing layer. Each type of plaster layer, (base-coat, skim-coat, textured surfacing, etc.) has been known to contain asbestos.
The coarse, base plaster in this instance, sometimes referred to as "brown-coat" or "scratch-coat", in addition to asbestos, also contains small aggregate and animal hair fibers (likely bovine, equine, porcine, caprine, or cervine). These constituents are more visible in the inset image.
Although not in this particular case, sometimes the white, finish layer or "skim-coat" may contain asbestos. Or, even the textured finish, stucco-style spackling may contain asbestos as well.
Particular attention to different types of plasters, possibly applied in different areas, such as: mechanical rooms, boiler rooms, fan rooms, auditoriums, stages, arenas, churches/temples (or other places of worship), cafeterias, theaters, air plenums, utility areas, electrical rooms/vaults, workshops, stairwells, corridors, decorative applications, lobbies, elevator shafts, radiator shielding, instrumental-band/choir rooms, library/media centers, etc.; are all unique functional spaces that should be especially considered when evaluating the potential for differing types of plaster applications.
Further yet, ceiling plaster may contain asbestos and wall plaster may not, despite being in the same functional space and having similar appearance/texture.
Of further importance in distinguishing different types of plasters that may exist in a building is knowing the renovation history of the structure, and also if additions were constructed or patching was installed that contain plaster(s) applied at later date(s). Each plaster from differing dates of construction or patches should be assessed separately.
There are also examples of asbestos inspection surveys in multi-floor buildings where asbestos (> 1% content) was found in wall/ceiling plasters on certain floors, but not others (trace to < 1%).
Keep in mind that if asbestos (>1%) is identified in one layer of a plaster application, then the entire plaster "system" is treated as an ACM.
Additionally, don't forget about potential lead or cadmium-based paint or respirable silica dust exposure issues when dealing with older painted plaster materials during demolition or renovation activities.
UP 1413 once had the distinction of being the last SP Roman lettered unit on the roster but that’s no longer the case since its tour of duty in the LA area back in late 2020. So imagine my surprise when I saw it switching US Gypsum with another former SP GP60 as we followed the first USG turn back into town.
Marquette Rail Z151 and CSX N956 both wait at Plaster Creek for a light into the yard. N956 had just gotten their power from the house and was getting ready to back down the main to their train. GLLX #3003 and a pair of GP38-2s wait on the Sunnyside Lead. In the foreground are the now-removed Maggie's Lead and switch to the old piggy back ramps.
Additional close-up view of a two-layer asbestos-containing plaster material. Image shows painted skim-coat layer on beige base-coat layer with various animal hairs and conspicuous chrysotile asbestos fiber bundles.
Emphasizing the importance of sampling EACH layer of a suspect materials "system"!
Image of an asbestos-containing plaster wall system, showing the base-coat layer with various animal hairs and chrysotile asbestos fiber bundles protruding from the crumbly plaster material.
Damaged wall section showing several layers of materials, including asbestos plaster base-coat (indicated by arrow).
Outer-most plaster-board system is comprised of more recently applied two-layered plaster on gypsum panel-board (drywall); this is on top of an older (original) 3-layer plaster system on concrete substrate. The initial brown, scratch-coat plaster was tested and found to contain approx. 2% chrysotile asbestos.