Insteel Engineers Pvt. Ltd.
InSteel Engineers Pvt. Ltd.
+91 22 41112000/01/02 contact@insteelengg.com
InSteel Engineers Pvt. Ltd.
Tel: +91 22 41112000/01/02

Building Information Modeling (BIM):

BIM is aprocess ofintegrating inputs from various disciplines such as Architectural, Structural, Electrical, Mechanical, Plumbing, Fire Fighting & HVAC into a single 3D model. This 3D model helps in detecting the clashes between the disciplines & also to identify errors within in individual disciplines. Using this model, we can generate accurate coordinated 2D drawings for site execution. This 3D model can also be used to extract accurate BOQ for tendering as well as for billing purpose. The same 3D model can be used for time managementiePlanning &Scheduling called 4D and for time & cost management called 5D.

Architectural Model

As per Architectural design inputs our BIM Architectural model includes:
  • Floor finishes
  • Walls
  • windows
  • Doors
  • Bathroom
  • Shafts
  • Bathroom Fixture. Etc.

Structural Model

As per Structural Consultant inputs our BIM Structural model includes:
  • Foundation
  • Columns
  • Beams
  • Slabs
  • Shear walls
  • Shafts
  • Trusses. Etc

MEP Model

As per MEP Consultant inputs our BIM MEP model includes:
  • HVAC ducting
  • HVAC piping
  • Air terminals
  • Mechanical Equipment’s
  • Cable trays
  • Lighting
  • Electrical fixture & equipment’s
  • Sprinklers
  • Sprinkler piping
  • Plumbing pipes
  • Plumbing fixture. Etc.

Data Rich Integrated3D Model (Virtual Construction in system)

    The 3D model generated in BIM is a data rich model covering all disciplines &services of construction viz. architectural, structural, MEPF & HVAC. It is a very useful tool for visualization & understanding of the project & its construction difficulties. The model encompasses all full information of each & every element of the project.

Architectural

Structural

Electrical

Fire Fighting

Mechanical/Plumbing

HVAC

Bill of Quantities for tendering & Billing. (As per Clients Format)

    Accurate estimates is the most important aspects in any construction management and requires close focus to achieve profitability. BIM Model gives accurate quantities for each of the element in every discipline in much shorter time& in much more details. It is an accepted fact that the quantities extracted from BIM model are very accurate for working out project cost.

Architectural BOQ

Structural BOQ

Services BOQ

Clash Detection & Resolution (Before things built at site)

    Once BIM model is created, we can generate 'Clash Detection' reports between the disciplines &also find errors in individual disciplines/Services. It is very important to identify all discrepancies & clashes at modeling stage itself so as to avoid any re-work & subsequent delays at actual site BIM modeling helps in avoidingrework, saves man-hours & precious time overrunand most importantly, the cost overrun.

Clash Detection in Model

Discrepancy Table

Resolution at modeling stage

2D Co-ordinated Drawings for Site Execution (Error free Construction)

    Once the clash detections are successfully resolved, accurate 2D 'Good for Construction' (GFC) drawings can be generated from the 3D model in a very short time. In the interest of the project schedule, this helps to save time, avoids rework and minimizes drawing revisions.

HVAC Layout

Drainage Layout

Fire Fighting Layout

Project Scheduling & Cost Monitoring - 4D & 5D Model (Better Control on Time and Cost)

    BIM model helps in developing project schedule & controlling cost. In any large & long cycle projects, preparation of schedule & monitoring it are very crucial. Along with that controlling the project cost is also very important for profitability. Using BIM model, we can prepare project schedule, monitor progress & monitor cost. 4D model is a time management tool which is used for preparing schedule & monitoring the progress. One can use it to reviewthe project as Planned Vs Actual. Whereas 5D model is a time & cost management tool and is used to monitor project cost on real time basis.

Project Schedule

Cost Monitoring Sheet

Benefits of BIM

•   Project Cost:   5 to 8% reduction – Gives best build options & eliminates unnecessary costs

•   Cycle Time Reduction:   5 to 20% reduction – Optimizes activities and reduces project construction time

•   Design Co-ordination:  75 to 80% time saving in coordination activities between various disciplines

•   Project Information:  60 to 70% time saving in locating documents

•   Drawing Preparations:  18-20% cost saving

•   Construction Material:  Drastic waste reduction

•   Constructability:  Finds and fixes errors at modeling stage. Saves time & cost

•   Project Control:  Project head, project team, site team, management team referto only oneschedule and hence better control

•   As-Built Drawings/Commissioning/Handover:  Final ‘As-Built Digital Model’ along with final drawings can be made available for records and future maintenance purpose.

BIM Softwares:

•   Revit (Autodesk)

•   NavisWorks (Autodesk)

•   Solibri (Solibri)

•   Tekla Precast

•   Tekla Steel Structures

•   Tekla CIP

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