GREEN ROOF CONSTRUCTION EXPLAINED | HOW TO BUILD OPTIGREEN GARDEN LAYER SYSTEM CONCEPT| INSTALLATION
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- Опубліковано 23 бер 2020
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This underground parking garage extends under these two new buildings and connects them to each other. On top of the underground garage, an inner courtyard will later be built between the buildings. We start on the back side, where we have to take down the bored pile wall. In order for this to be possible, the slope must first be braced with precast concrete retaining panels. There is already a video on my channel about this. This slope can only be reached via the roof of the underground garage. The roofer has already glued on the first three sheets of waterproofing, so that we can start with the angular retaining panels. Here is our material for the new retaining wall. We protect the waterproofing with protection mats and then start to mortar, apply and compact the filling material. The first row of angular panels can then be placed on top of it. The pieces are set with an excavator and here and there the excavator driver has to use his special skills to set them right. Behind the wall there is a drainage package consisting of a drain pipe, gravel and fleece fabric around it. Then it can be backfilled and compacted. Then a secondary retaining wall is added, because the slope is relatively steep. Between the two walls, greenery will be planted later. While the roofers work hard to seal the entire underground parking garage with root resistant waterproofing membrane, we can start dismantling the bored pile wall. This was delayed due to the bad weather. But without a roof membrane, no green roof. And with the roofing finally finished, we can start with the layering construction of the green roof. First of all, a white protective fleece fabric is applied to the cleaned membrane. This is very important to prevent damage to the waterproofing. The fleece is 500 g/m² and will also continue up the sides. For this construction, a so-called slip layer of PE sheet is placed next. Over time horizontal forces can occur and this slip layer is supposed to absorb these tensions. Because of this sheet, the entire roof structure can slide on the fleece, if necessary. We now place the FKD drainage and water storage elements from Optigreen. Here we have to lay two different FKD elements, which at first glance look exactly the same. They are available with holes at the top and holes at the bottom. The elements with drilled holes at the top are laid in the area of the subsequent greening. The holes at the top ensures an accumulation of water of approx. 23l per m². In the area where it will later be paved, the FKDs with drilled holes at the bottom must be laid, so that quick and good drainage can take place. The large elements can be laid relatively quickly. The drain water later runs under the FKD elements to this drain, which leads the water down through the underground garage. When all elements are laid and cut to size, they are filled with a lava draining material. This drainage fill is light, resilient and drains water well. It is delivered with this truck and blown onto the surface through a hose. It can therefore be applied quickly and easily without driving over the FKD elements with a wheel loader. All compartments of the elements must be filled up to the top. A special and expensive building material is used for the next construction layer. This is foam glass gravel. The foam glass is delivered loose and brought to the roof with the small Schäffer wheel loader. This material is used here to keep the weight down. Otherwise the total structure of about 50 cm in thickness would have too high of a load on the underground garage ceiling. We use the material Optipor 10 to 75 mm. It’s about 20 cm thick and this glass foam layer is covered with a separation layer, a thin fleece. Now, in the area of the paved surfaces, mineral gravel 0 to 32 mm is laid out, levelled and compacted. Simultaneously, we also continue to work on dismantling the bored pile wall. Here you can clearly see where the walkway will be later. A light substrate is being used in the remaining areas. This draining vegetation substrate ensures good water drainage and a sufficient supply of nutrients to the plants. Now we can already start with the paving work. The main entrances to the residential buildings are accessible from the roof of the underground car garage. In addition, these lawn grid slabs will also be used. They are made of plastic and save you some weight compared to concrete lawn grids.
#construction #greenroof #howto - Навчання та стиль
I really enjoy the voice-over. You explain the process well and it is a good audio. It sounds professional.
Thank you! 😊
Hi, Carl! Exelent video! I apreciate so much your work! Some more videos with koi ponds and your kois, please!
Love and enjoy the video. Thank you.
you hear green, green, green, but there are tons of plastic put into the ground....
Put an amphibian pond up there-that is a TON (pun not intended) of dirt-save the amphibians! Can put up a 3', fine mesh, reinforced hardware cloth fence around it-I found this keeps in everyone but tree frogs. That would be SO AWESOME! Polluted runoff free habitat! 😊😍💗
How’s landscaping business? I wish I had one
U always talk about how we should do our part to save the environment. Amount of resources that took to build that little green lawn was insane. So much plastic
When you work for a company I'm not sure there is much you can do. Although it is always up to us what we can do on our own time. :D
Also these plastic parts are not trash or litter, they are being used for a purpose for many years. It's not like one time use plastic cutlery.
the idea is over the lifetime of the materials used the benefits of using more materials up front out weighs the cost of using less materials.
I used to think of the amount of plastic waste in these types of projects also, but then I learned that it is more important to calculate the total lifecycle of the material used. Also, when it comes to construction, safety is always a priority. Unfortunately, plastic still remains as one of the most lightweight and long lasting materials, which is important for longevity and minimising weight on rooftops. However, this should not stop us from thinking creatively and trying to minimise waste and just become complaisant. New solutions for more sustainable products are a must. That's why I think EPD certificates are so important.
@@soverhill6779 this is just a publicity stunt. It won't help one bit
Can the roots penetrate the glass foam layer?
Theoretically yes, but roots don't work that way, they don't just randomly grow, rather the plant "seeks" a nutrient source with it roots, but when it finds one, the plant focuses it's roots growing onto that direction. So if a root reaches the bottom volcanic rock layer and finds no nutrients, it won't continue growing further.
Hope that answers your question :)
Can my company hire you installing green roof, the nuncio reality group pararangon realtors Texas.
We are waiting for a koi video. I hope it is posible 😷😷😷
Jeeze.. that looks expensive