We utilize a suite of software packages to provide your project with the most efficient and best suited 3D modeling services. Our team is fully trained and experienced in the software they use and are experts in building information rich models. All modelling is fully checked by our experienced checking team before 2D drawing production commences.

Our team has extensive skills in 3D BIM modeling and can execute any project, whether it is residential, commercial or industrial, irrespective of the complexity of the project. We have exhibited our modeling skills in projects that involved a mix of structural steel detailing, reinforced concrete detailing, rebar detailing and precast concrete detailing.

We use the advance features of the software tool and our 3D BIM model with Cloud access with all involving parties allows the proper coordination and accurate interface between departments.

Zastraka offers accurate and cost-effective Structural steel engineering services to our clients in industrial, commercial and infrastructural sectors. We provide complete package under our structural steel engineering services, analysis, designing, 2D/3D modeling and detailing services.

Our services include Design and Detailing of Storage Tanks, Tank farms, Cryogenic Tanks, Columns, Heat Exchangers, Pressure vessels, Spheres, Bullets, Silos, Receivers, Stacks, Chemical Injection Skids, etc.,

Our process equipment are designed and detailed as per the client requirements. We adhere to stringent quality standards we set for ourselves, and our superior quality of workmanship ensure that our services will provide long-term returns to our clients.


Zastraka has full capabilities in structural steel bridge detailing, including vehicle bridges, pedestrian bridges, steel overpasses and walkways. Whether your fabrication plant focuses exclusively on bridge construction or provide this as an additional service to your structural building division we can provide high quality detailing services.

We are fully versed in bridge fabrication and erection procedures throughout AISC categories, including SBR, IBR and ABR. Our bridge fabrication drawings provide for full scope of fabrication including unspliced rolled sections, field or shop splices, plate girder bridges, as well as truss bridges.

Our bridge erection drawings allows for well organized and planned erection of all steel elements of the structure. We establish zoning in accordance with our clients for each specific structure to ensure that shipping requirements for each zone are met according to the erection schedule, especially for complex bridges with box girders, arches, or trusses.


Team Zastraka can be the one stop solution for all your structural estimating services. The skilled team of estimators at Zastraka can deliver our clients detailed analysis of the structural steel projects and provide you with accurate estimates with a detailed cost break down.

The estimation service ensures that the project runs on the minimum costs, reduced storage space at the site location, and stay with your time schedule. We calculate and offer accurate quotes to our clients which include materials, accessories and erection costs.