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- Excellent Constructability
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Construction is simple as it involves vertical assembly
Infinite expansion construction : suitable for small-scale, medium-scale and large-scale facilities
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- Affordable Construction Cost
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As the construction period is short, the construction cost is low
As it is possible to store a large quantity of materials on-site, the distribution costs are greatly reduced
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- No Space Restriction
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Stable structure due to extrusion molding and the honeycomb structure
As it is structurally stable, deep laying is possible in a tiny space
Possible depth of laying: 5m or more
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- Great Reduction in Construction Period
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As transportation is easy and installation is simple, the construction period is significantly reduced
Can install in any of the 4 seasons, including the winter season
Based on Singok District 6, Gimpo :55-day installation/construction (14,000 tons)
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- Reduction in Civil Complaints During Construction
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As heavy equipment is not required during construction, there will be no noise or dust scattering
As the vehicles entering the site will be small, there will be no traffic congestion
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- Smooth Maintenance
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Suppress deposit inflow through the operation of a pre-treatment tank
Smooth cleaning process through the maintenance equipment and lower open type
Remove sludge & clean using the automatic-driving robot
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- Structural Stability
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Stable for surface load, traverse load, seismic load
Stable for axial load due to the single compression extrusion molding
Stable for traverse load and seismic load due to the most stable honeycomb structure
| Related Laws | Contents | Categories | Judgment Criteria |
|---|---|---|---|
| Building Act |
Floor-area ratio: 2,000㎡ or more, total ground area: 3,000㎡ or more |
National Land Planning and Utilization Act | Amusement park, park, distribution and supply facilities, parking lot, etc. urban or Gun planning facility project |
| Small and Medium Enterprises Promotion Act | industrial complex development project | Higher Education Act | construction work in the case of establishing a school |
| Urban Development Act | urban development project | Special Act on Public Housing | school/project for developing a public hosing zone |
| Housing Site Development Promotion Act | housing site development project | Tourism Promotion Act | zone/tourist destination or tourism complex development project |
| Volume |
no provision on volume (based on general repair analysis results, flood volume is construed as storage volume) |
Scale | large scale of 3,000t or more |
| Purpose of Building | Area Standard | Categories | Judgment Criteria |
|---|---|---|---|
| sports field (if there is a roof) or gym | roof area 1,000 m² or more | elementary, middle, high schools, community colleges, colleges, universities | building area 5,000 m² or more |
| public office facilites (excluding military and national defense facilities) | |||
| government office buildings | golf course | Lot area 100,000 m² or more | |
| multi-family housing, tenement housing, multi-household housing, dorms | building area 10,000 m² or more | large stores | store area 3,000 m² or more |
| volume | roof’s catchment area x 0.05m | scale | around 500t |
| Classification | Categories |
|---|---|
| Those bearing legal obligations |
-manufacturing area or industrial complex with a scale of 1500000m² or higher -manufacturing area or industrial complex that discharges 200t or more of waster water containing specific substances harmful to the water quality per day -if the amount of waste water discharged is more than 5000t per day (areas within 1km of the borders of Han River, Nakdong River, Geum River, Yeongsang River, Seomjin River, or Tamjin River) |
| Volume | determined based on inflow of water leaked due to discharge accidents, intimal rainwater, connected treatment of stored water, regional characteristics |
| Scale | around 500t~ 3,000t (in the case that the volume of the initial water reduction facility is included, for use of a large storage tank) |
| Sales target | customers-local government/planner-civil engineering (water and sewage department) |
-2014 Patent registration of rainwater storage facility with honeycomb structure [patent no. 10-138870]
-2016 New disaster prevention technology certification of rainwater storage facility with honeycomb structure [certification no. 2017-1]
-2016 Patent filing in China
-2017 Patent registration in Japan
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1. Installation of inlet and ground slab 
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2. Installation of structural members and maintenance equipment (1st day) -
3. Installation of structural members (by workers) -
4. Detailed structural member installation -
5. Completion of installation of honeycomb structure (2nd day) -
6. Installation of upper deck and waterproof work (3rd~4th days)
Due to the single-body extrusion molding structure, stable for upper load and traverse load
As it is a facility with a honeycomb structure : - Excellent upper load dispersion effect - stable for traverse load
As it is structurally stable, deep laying without space constraints is possible
