Infraplus Consulting was engaged in a high-precision network infrastructure project within the Swedish metro tunnel system, integrating critical communication systems across two major lines—Yellow and Blue. The project spanned five key metro stations including Hagastaden, Södra Hagalund, Arenastaden, Barkarby, and Barkarbystaden, along with three intermediate tunnel segments (Huvuddel 1, 2, and 3). The team meticulously planned and placed diverse telecom equipment such as routers, switches, alarms, access points, and firewalls. Each system—including Radio, Wi-Fi, Data Network, Positioning, and Alarm—required customized cabling (Cat6, fiber optic, coaxial, alarm cables), antenna installation, and cabinet configuration. Detailed cable routing and equipment data were logged in Excel sheets to document distances, server racks, and equipment mapping. The final delivery comprised CAD layouts, construction-ready prints, and an exhaustive Bill of Quantity (BOQ), ensuring seamless installation and commissioning across the entire metro network.

Scope of Work

Equipment placement for multiple systems (Wi-Fi, Radio, Positioning, Alarm)
Tunnel-wide connectivity planning across five stations and three segments
Fiber, coaxial, Cat6, and alarm cable routing and distance mapping
Structured documentation in Excel (Cable & Rack schedules, Equipment inventory)
AutoCAD drafting and 2D/3D print generation with BOQ support

Deliverables

AutoCAD Design File
Construction-ready Prints
BOQ with Equipment & Cabling Inventory

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