Beijing Chengdong International Modular Housing Corporation

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Modular solutions for highly corrosive environments in temperate and tropical coastal regions

Temperate and tropical coastal environments are often highly corrosive, primarily due to their unique climate and geographical features. They are influenced by the marine climate year-round, resulting in high air humidity, high salinity, consistently high temperatures, and significant temperature variations. These highly corrosive environments pose a significant challenge to buildings, transportation infrastructure, and industrial equipment, necessitating specific anti-corrosion measures such as the use of corrosion-resistant materials and regular application of anti-corrosion coatings to extend the service life of these facilities.

  • Description
  • Product Requirements
  • Project Cases
  • Advantages of Customized Modular Solution

Temperate and tropical regions: The enclosure is insulated; the door and window structure is optimized for effective indoor ventilation; the enclosure features enlarged rainwater pipes; in cases of heavy or frequent rainfall, a double-pitched roof is added, and centralized drainage is replaced with roof drainage. Highly corrosive coastal areas: galvanizing and painting; bolt durability treatment.

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Roof drainage strength

Tests showed that the roof did not leak when the drainage intensity was 16 mm/min, meeting the drainage requirements under extreme rainstorm conditions.

Time/Category 24h 12h 1h 5min
Light rain 10mm ≤5mm ≤2.5mm
Moderate rain 10-25mm 5-10mm 2.5-8mm
Heavy rain 25-50mm 10-30mm 8-16mm
Torrential rain 50-100mm 30-70mm ≥16mm
Heavy rain 100-250mm 70-140mm
Extreme rainstorm >250mm ≥140mm 70mm 10mm

Fire and moisture resistance

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Fireproof and moisture-proof

Floor substrate: Cement particleboard, Class A non-combustible; Interior ceiling: Metal panel, Class A non-combustible.

Structural durability treatment

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Structural durability treatment

The structure is made of hot-dip galvanized material; the surface of the structure is then painted, providing double protection against rust.

Thermal insulation

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Thermal insulation

Frame: Filled with 100mm glass fiber wool rolls

① The enclosure must be insulated; the door and window structure should be optimized for effective indoor ventilation.

② The enclosure should have enlarged rainwater pipes.

③ For areas with heavy or frequent rainfall, a double-pitched roof should be added, and centralized drainage should be replaced with roof drainage.

④ Special requirements for doors and windows: double-glazed tempered pressure-bearing glass with capillary tubes, sealed on-site; sealing strips should be installed around the perimeter to ensure airtightness.

⑤ Galvanized and painted finish.

⑥ Durable bolt treatment.

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High-temperature corrosion protection

Optimized for Indonesia's high temperature and humidity environment, the underlying steel structure effectively prevents moisture.

EPC One-Stop Delivery

From customized design and manufacturing to construction and delivery, the entire process was completed in one go, and the 17,300㎡ high-standard dormitory was successfully completed.

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    Employee Dormitory

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    Office Area

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    Restroom

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    Cafeteria Area

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    Fitness and Entertainment Area

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Project Location:

Sri Lanka

Project environmental characteristics:

The project is located in Sri Lanka, an area with high humidity and is influenced by monsoons year-round. The southwest monsoon brings heavy rainfall, especially in the southern and western regions, where annual precipitation can reach over 2500 mm. The wind load is 0.5 KN/㎡, and strong winds may occur during the storm season. The seismic intensity is between 6 and 7 degrees, and the minimum temperature is approximately 20°C.

Project products and scale:

Chengdong completed a 380,000-square-meter military camp project in Sri Lanka within 5 months. Special project requirements: high airtightness.

Customized EPC camp construction

Based on your needs, Chengdong's 100+ internationally standardized engineers will create a first-class solution for you.

Produced in our own factory

Smart manufacturing in 5 global factories, 600+ strong domestic and international supply chain partners, and a stable logistics system.

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Global Business Layout

With 13 subsidiaries and offices worldwide, we provide efficient, stable, and fast service.

Extensive project experience

With over 4,000 successful projects worldwide, we have extensive experience in campsite construction.

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