“We could trust only Tekla for the Infosys superstructure” affirms Precast India Infrastructures
Precast India Infrastructures Pvt. Ltd. (PIIPL)- an initiative of Bhate Raje Construction Company Pvt. Ltd. – has gained recognition as one of the most trusted names for all IT sector & industrial building projects as well as for commercial complexes. It was founded in 2010 with a mammoth production facility in Wade Bolhai, on the outskirts of Pune city in Maharashtra. PIIPL’s unique production facility is capable of producing various precast as well as pre-stressed concrete elements ranging from small parapet walls to huge slabs spanning 16m to 20m lengths. With its automated steel cutting & bending facility, versatile production yard, and independent installation division with high capacity tower cranes and mobile cranes, Precast India Infrastructures Pvt. Ltd. has emerged as the leading choice for precast production in the construction industry.
A multi-purpose Precast high rise structure for Infosys in Pune
The multilevel car park project created for Infosys on the outskirts of Pune is a multi-purpose building. It has 7 levels of two-wheeler parking, an underground water storage facility with a humungous capacity of 56,67,000 litres, 2 storeys of restaurants along with an attached bridge to exit the parking facility. The project also involved external development jobs like gas bank rooms, security cabin area, entry gates, etc. The total concrete used in the project was approximately 18,000 CUM with about 1,614 MT of steel.
The entire superstructure is of Precast and Prefabricated Concrete and has been designed for dynamic vehicular loads. A very wide variety of precast elements were used in the project such as retaining and shear walls, columns, hollow-core, double tee and solid slabs, pre-stressed and non-pre-stressed beams, spandrels, non-load bearing walls, etc.
Erecting a complex, geometry defying structure
The project team at PIIPL faced some very unique challenges right from planning and designing to the execution of the multi-level car park. The geometry of the project area along with the land profile were the two major challenges for the team. Besides that, the inclined grids and multiple uses of the structure at each level proved to be quite challenging. Pre-stressed beams and hollow core slabs ranging up to 12 meters were used to reduce the number of columns. Further, the column design was also a critical part as resting beams were not orthogonal to each other.
After the conceptual planning and engineering, the project execution and completion within the scheduled timeline was the next major hurdle. More than 6,500 precast elements were produced, transported and installed, from scratch, in approximately 10 months. The executor had to complete the robust work within the affirmed deadline and any error or frequent reworks could have resulted in an unaffordable delay.
Some of the other complexities involved in the project were the contour differences, boundary retaining walls, integration of the underground water tank, the difference in levels for restaurant and parking, various ramps, inserts of sleeves, splitting of elements due to weight constraints, slopes in terrace affecting element lengths, heights, etc.
Tekla Structures – the most versatile & robust software for Precast Construction
Tekla Structures helped the PIIPL team to produce a large number of precast elements, address critical geometries, implement MEP requirements and a lot more, quite easily and well within the specified project timeline.
Mr. Kapilesh Bhate, Director, Precast IndiaInfrastructures PL said,“By using precast, we virtually enter the domain of production and assembly. And for that,weneedtoolspotentenoughtodoextremelyaccuratedetailingoftheelementssuchastheirgeometry,connections, reinforcement locations, inserts, etc. In case of the MLPL3 project, everyone involved was well aware of the complexities likely to be encountered and we are certain that a 2D drafting software like AutoCAD will definitely not do the job, and that we could only trust Tekla – the 3D BIM software – to make this project a reality & a success. Although acquainting new team members to this platform takes a little time, the available tutorials and self-help videos were of great assistance and the payback in project delivery far exceeds the initial effort.”
The software empowered the executing team to overcome numerous technical challenges rooted in the project & derive a host of benefits such as:
- Collaboration made seamless with Tekla’s single reference model:
At any given time, several detailers, modelers, and checkers were working on the model preparing various details, drawings, etc. Tekla offered a single reference model to the entire team which integrated the changes made in real-time and all the stakeholders, located across geographies, could easily access and analyze it.
- Obtaining all structural data from the accurate 3D model:
Considering the complexities associated with the MLPL3 project, an accurate, information-rich 3D model was the only resort to achieve efficiency. With Tekla, concrete modeling and detailing were very easy. It helped in the conversion of all architectural and structural drawings into a 3D model with high LOD. For example, Tekla provided exact dimensions of the reinforcing bars in elements in the bar bending schedule (BBS).
- Quickly identifying a particular section of the model with floor layout tool:
The most helpful features of Tekla that became the real game-changers for the project team were the floor layout tool for hollow-core slab layout and the quick production drawing generation using cloning of drawings. It helped to design, detail, and identify particular sections, floor-wise, for the entire model.
- Task automation made easy with custom components:
The readily available custom components in the Tekla Warehouse enabled the PIIPL team to modify the model as per the design and project requirement. Reinforcement modeling is usually quite a time consuming task but the custom components feature enhanced the team’s efficiency by empowering them to automate several jobs thereby ensuring timely completion of the project.detail, and identify particular sections, floor-wise, for the entire model.
Control throughout the structural workflow at your fingertips
Accurate, reliable information, as detailed as you need and always available, is necessary for a successful structural workflow. With Tekla software, your constructible design will promote error-free fabrication and successful construction. Welcome productive workflows and happy clients.
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