Installation Steps and Cycle of Temporary Construction Modular Housing

Author: Jinhao Wang

1. Introduction

I'm Jinhao Wang, a structural engineer with 18 years of experience in prefabricated modular construction. Holding eight technical patents for modular structural optimization, I have completed over 300 global temporary camp projects, covering mining, desert and high-latitude cold-region sites across Australia, the Middle East, Northern Europe and Canada. I focus on solving practical on-site accommodation challenges for construction teams in complex and extreme climates.

Temporary modular construction camp and fast build construction site container camp are widely adopted for rapid project mobilization. The most frequent question from global contractors is straightforward: How long does it take to install and commission a full set of site container camp facilities?

This article combines my practical experience from the 2021 winter coastal camp project in Qingdao, together with the upgraded technologies applied in our 2024–2026 Northern European and Middle Eastern projects. It provides field-verified installation processes and objective performance references for global engineering procurement and project selection.

2. Project Overview & Technical Iteration (2021–2026)

2.1 2021 Qingdao Coastal Camp Project

In January 2021, I led the construction of a double-layer modular camp for Harbin Engineering University's Qingdao Innovation Base. The project consisted of 106 modular units, covering a total area of 15,000 ㎡, and provided office and living accommodation for 178 on-site personnel. The site was located on coastal backfill soil, featuring harsh winter working conditions, including -4°C nighttime low temperature, 14°C day-night temperature difference, continuous salt fog erosion and sudden level-7 gusts. Adjacent to the university campus, the project also required standardized construction and neat exterior appearance.

Based on rich coastal construction experience, I adopted targeted optimized solutions. The project applied hot-dip galvanized steel frames to improve salt fog corrosion resistance, thickened multi-layer insulation panels to reduce thermal-bridge condensation, and adopted full factory prefabrication with pure bolted assembly. On-site welding was completely avoided to eliminate hidden structural and corrosion risks.

2.2 2024–2026 Latest Technical Upgrades & Overseas Application

We summarized key optimization experience from the 2021 Qingdao project and continuously upgraded core materials and structures in recent years. From 2024 to 2026, our new-generation technologies have been fully applied in multiple Northern European cold-region and Middle Eastern desert projects. The upgraded ceramic-embedded anti-corrosion coating significantly improves frame durability in high-salt and high-temperature environments. The optimized thermal-break insulation system maintains stable indoor insulation performance even at -25°C, adapting to extreme cold climates. Meanwhile, the integrated sealing and vapor barrier process effectively solves condensation and mildew problems for long-term use in high-humidity areas.

3. On-Site Installation Process & Site Quality Control

3.1 Day 1–2: Foundation Treatment & Emergency Logistics Adjustment

The main challenge in the early stage was freeze-thaw deformation of backfill soil. The soil froze at night and thawed into soft mud during the daytime. Direct concrete pouring would cause uneven settlement of double-layer modules in later operation. To ensure foundation stability, we implemented full-site gravel replacement and laid C20 early-strength anti-freeze concrete strip footings. All newly poured concrete was covered with thermal quilts for continuous curing to guarantee structural strength under low temperatures.

During construction, coastal heavy fog caused traffic control, delaying 32 container components for 8 hours. To ensure the 7-day delivery deadline, I adjusted on-site manpower dynamically. One team was responsible for foundation maintenance and data rechecking, while the other calibrated construction tools and sorted accessories in advance. All modules were placed on wooden sleepers to avoid damp ground contact and fully covered with anti-corrosion tarpaulins. Low-temperature sealants and high-strength bolts were stored in insulated sheds to prevent frost-induced performance failure.

3.2 Day 3–5: Wind-Resistant Hoisting & Bolt Retightening Inspection

The main frame hoisting and assembly was completed within three days. Considering frequent coastal strong winds, we implemented strict on-site safety management: all lifting operations are suspended immediately once wind force exceeds level 6. Overnight frost and salt dust easily accumulated on steel joints, so all connecting surfaces were thoroughly dried with hot air guns before bolt fastening.

We conducted secondary torque inspection 24 hours after installation, as low-temperature shrinkage may slightly loosen fasteners. For minor coating scratches caused during hoisting, our crew completed on-site polishing and anti-corrosion touch-up immediately to avoid local corrosion expansion.

3.3 Day 6: Electromechanical Installation & Anti-Condensation Sealing

After the main frame installation, we carried out electromechanical matching and fine sealing works. Targeting high-humidity coastal characteristics, we adopted a mature anti-condensation process: filling PE foam backer strips into panel gaps, thoroughly removing residual moisture, and applying low-temperature weatherproof sealant. Vapor barrier strips were installed at metal thermal bridge joints to block indoor moisture penetration.

All water supply and drainage pipelines were wrapped with thermal insulation cotton to prevent freezing and cracking in winter. All internal pipelines and circuits were concealed to ensure a tidy and unified exterior, complying with campus civilized construction standards. The joint inspection team fully checked and eliminated all air leakage and sealing defects before completion.

3.4 Day 7: Comprehensive Inspection & On-Time Delivery

On the seventh day, the project passed full acceptance covering structural safety, anti-corrosion performance, thermal insulation effect, electromechanical system and fire protection facilities. The entire modular camp was delivered on schedule and officially put into service. In August of the same year, all modules were non-destructively disassembled without any cutting damage. All complete components were transferred and reused on subsequent projects, reflecting the outstanding flexibility and reusability of modern modular temporary buildings.

4. Modular Container Camp vs Traditional Brick-Built Temporary Building

Modular container camps and traditional brick-built temporary buildings are both mature solutions for on-site temporary accommodation, with respective advantages and applicable scenarios. The following is an objective field-verified performance comparison for project scheme selection:

5. Frequently Asked Questions from Global Contractors

5.1 How long does it take to install a complete construction container camp?

The installation cycle depends on site foundation conditions, climate environment and project scale. Our 7-day full delivery of a medium-sized double-layer camp under Qingdao's harsh winter conditions represents efficient extreme-weather construction capability. Conventional small and medium-sized camps can be completed within 2–10 days. Factory prefabrication greatly reduces on-site wet work, and dual-shift construction further shortens the overall cycle, serving as its core market advantage.

5.2 Do you provide overseas installation guidance for site accommodation?

With rich on-site debugging experience in Australian mining, Middle Eastern desert and Northern European cold-region projects, our team provides full-cycle professional overseas technical support. We offer remote video installation guidance, climate-adaptive construction schemes and CE-certified structural drawings. Our self-developed low-temperature insulation structure operates stably at -25°C, meeting local construction standards in Europe, Canada and the Middle East.

6. Core Advantages of Portable Prefab Worker Dormitory

Based on years of global project practice, the practical advantages of portable prefab worker dormitory are highly adaptable for modern engineering projects. Ultra-fast assembly meets urgent project mobilization schedules. Upgraded anti-corrosion and thermal insulation structures adapt to coastal salt fog, desert high temperature and frigid northern regions. Non-destructive disassembly and high reusability effectively control project costs and reduce construction waste. In addition, Class A fireproof performance, independent office and residential zoning, and customizable exterior designs satisfy high-standard civilized construction requirements for sites near campuses and residential zones.

7. Conclusion

The 2021 Qingdao project fully verified the reliable performance of temporary modular construction camp in low-temperature and high-corrosion coastal environments. Combined with our 2024–2026 overseas technical iterations, new-generation modular systems have achieved comprehensive upgrades in durability, cold resistance and corrosion resistance. Both modular and brick-built temporary structures have their unique application value for different project demands. Adhering to safety priority and climate-adaptive design principles, I will continue optimizing modular construction technologies to deliver efficient, stable and sustainable temporary accommodation solutions for global construction projects.