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DirectoryBusiness & Technical ServicesTechnical Consulting & EngineeringRomanshornB3 Kolb AG
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B3 Kolb AG

Summary

About the company

B3 Kolb AG is an engineering and construction management firm offering general planning, construction management and specialist consulting. Its services cover civil and transport engineering, structural engineering (concrete, steel and timber), water engineering, traffic planning, digital construction and sustainable building.

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Products & services

Industry:Technical Consulting & Engineering
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Road and traffic infrastructure construction
Creative solutions for roads, traffic routes and settlements; town centre design, access development, utility line construction, municipal drainage, GEP, bridges, footbridges and railway construction as well as noise protection measures.
Special structures and deep foundation works
Planning of load-bearing structures and infrastructure works; underpasses, culverts, retaining structures, excavation pits and pit closures, as well as complex projects in rail, road, civil and water engineering.
Water engineering
Analysis, planning and implementation of river and stream courses, rehabilitation and upgrades; flood protection, river space, modelling, natural hazard analyses, renaturation and watercourse maintenance.
Traffic planning
Operations and design concepts, traffic calming, pedestrian and cycle traffic, public transport stops, parking facilities, traffic counts, safe routes to school, mobility concepts and construction site traffic management.
General planning
Planning services and project management from a single source; studies, execution through commissioning, interdisciplinary projects, commercial, industrial and traffic-area projects, infrastructure and competition projects.
Construction management
Project and construction planning, schedule, cost and quality control, risk management, contract management, negotiations, site supervision, as well as acceptance and commissioning in building and civil engineering.
Masonry and steel construction
Structural engineering from concept to realization, new builds and conversions, economical structural concepts, material selection, condition assessments, structural checks and BIM-supported execution planning.
Timber construction
Competitions, preliminary clarifications, feasibility studies, structural design, structural sizing, detailed planning, production and assembly planning, material lists, as well as construction inspection and BIM application.
Digital construction
BIM planning, digital construction, Virtual Design & Construction, integrated collaboration, BIM to Field, agile project execution, and BIM consulting for design offices and contractors.
Fire protection
Fire protection consulting, fire protection concepts and plans, property-specific assessments, verification procedures, authority meetings, fire resistance proof, quality assurance, statements and expert reports.
Sustainable construction
Analysis and consulting for sustainable construction projects; assessment of emissions, socially compatible and cost-effective concepts, sustainability analyses, and development of measures in line with SIA and SNBS.
Expertises and consulting
Client support and representation, BIM consulting, senior site management, as well as expert reports, inventory surveys, crack records, construction phase planning, expert mandates, and assessments of existing structures.
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Location

Hafenstrasse 62
8590 Romanshorn

At a glance

Legal form
Corporation
UID
CHE-108.211.995
Founded
1998 · 28 years
Last commercial register change
July 2, 2025
Employees
21 to 50

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