太陽工業コラム
Advantages of an economical and efficient contaminated soil remediation building using temporary rental tents
2020.06.26
Civil engineering sites where contaminated soil remediation is to be implemented may require tents in the work area.
Temporary rental tents can be used cheaply and easily for the short period of time that construction is taking place. Temporary rental tents are economical and efficient contaminated soil control buildings.
There are also many variations to suit different uses and sizes.
This article summarizes the variations and advantages of such temporary rental tents. We hope you will find it useful in selecting the best temporary rental tent.
Table of Contents
1 What is contaminated soil?
2 Civil related construction sites dealing with contaminated soil requiring tents
3 Variety of temporary rental tents suitable for contaminated soil remediation buildings and their advantages
4 Conclusion
What is contaminated soil?
Contaminated soil is soil (soil) with content exceeding the standard values for specified hazardous substances.
Direct ingestion of contaminated soil or drinking groundwater, etc. to which contaminated soil has been leached may adversely affect the human body.
Therefore, the Soil Contamination Countermeasures Law has been formulated to assess the status of soil contamination and to prevent human health hazards caused by soil contamination.
This law defines the land that is subject to the obligation of soil contamination investigation, the specific hazardous substances to be covered, and the standard values.
The soil may also be contaminated with dioxins, which are produced in cases where incinerator ash is buried in the soil at former factory sites.
The Dioxin Special Measures Law also establishes standards and regulations for dioxins, and sets out measures for contaminated soil.
Civil engineering related construction sites dealing with contaminated soil requiring tents
Civil engineering-related construction sites that deal with contaminated soil may require tents depending on how the contaminated soil is treated and other factors.
The main cases requiring tents are as follows
- The work is to be performed in VOC (Volatile Organic Chlorine Compounds) contaminated soil by excavation and removal method, and a tent is required to protect the soil from rain and dust.
- In principle, for dioxins, PCBs, mercury, and POPs, a tent with a front room tent that can manage negative pressure is required.
- Other heavy metals are required only if a tent is needed for neighborhood protection.
- A tent is required for the hot soil method (a method of mixing quicklime and other materials with VOC-contaminated soil and using the heat of reaction to volatilize, separate, and absorb the VOCs, and collect them with activated carbon) in situ.
- Tents may or may not be required for the excavation and removal method (where contaminated soil is excavated directly onsite and removed to an intermediate treatment plant outside the site).
- Tunnel slides may generate naturally occurring toxic substances (8 types except cyanide) and are of low tent importance except for mercury due to heavy metals, but may be installed for rain protection (drying and temporary storage of soil).
Variety of temporary rental tents suitable for contaminated soil remediation buildings and their advantages
There are two main types of temporary rental tents: telescopic and fixed. Telescopic tents are those in which the temporary tent itself telescopes in a bellows fashion, while fixed tents provide a larger working space.
Here we introduce the variations and advantages of temporary tents from Taiyo Kogyo Corporation, a company with many years of experience in temporary rental tents.
telescopic
The telescopic temporary tent is a type in which the temporary tent itself is telescopic. Long and heavy items can be directly entered and exited with a crane.
No machinery is required for the expansion and contraction of the shed, which can be moved manually. Five frontage sizes are available. Installation usually takes 1 to 4 days per building. Removal usually takes 1 to 2 days.
Telescopic type New type
The new telescopic temporary tent is a telescopic tent with a structure that allows the tent to be inserted span by span. You can rent only the area you need.
Since the structure is designed to insert a tent for each span, dimensions in the direction of the girder can be freely set for each span (1.5 m).
The opening is curtain-type and can be fully opened by simply sliding it in and out, enabling speedy loading and unloading for improved work efficiency. Tent installation is simply a matter of inserting and sliding the split membrane along the guide fasteners, improving workability and safety compared to older models.
fixed type
Fixed temporary tents can easily provide large storage spaces. Functional storage warehouses can be built in a short period of time.
The large space without intermediate pillars and the 7.5-meter eave height allow plenty of room for storing loads. It is compliant with the Building Standard Law and can be applied for building permits.
Example of fixed rental tent (in dioxin contaminated soil)
Fixed Large
Fixed large temporary tents are temporary tents that can accommodate up to about W40m x eaves H10m. In a large space without intermediate support columns, within the effective area, it can be constructed with free approximate dimensions of about 1.8m pitch.
Also, although the cost is higher, large spans of 60m to 80m can be accommodated. There are also examples of introduction in plant dismantling curing and curing of cultural asset buildings.
summary
Temporary rental tents are economical and efficient as contaminated soil control buildings. It is cheap and easy to install for as long as needed.
Taiyo Kogyo Corporation is involved in a large number of temporary rental tents and can be expected to be responsive to a variety of issues and needs, so please contact us for more information.
Official Website: Taiyo Kogyo Corporation
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