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MARRIOTT COMBO HOTEL

 Sanrachna Case Studies | BIM Case Studies|AEC Project Case Studies|3D Modeling Case Studies | Successful BIM Implementation

MARRIOTT COMBO HOTEL

LOCATION 

PROJECT AREA

STATUS

BANGALORE KARNATAKA ,INDIA

27,11,500 sq ft 

COMPLETED

About The Project 

The Combo Hotel is 330 bed hotel located on 1.7 acre site with two hotels with separate entrances. This under construction project has of two basements, public areas on the ground floor, service floor, over which there are 8 typical hotel rooms. The two hotels are serviced by a common back of house area that is sandwiched between them.

Input Received

Good for construction drawings of ASMEP.

BIM Scope 

 Sanrachna Case Studies | BIM Case Studies|AEC Project Case Studies|3D Modeling Case Studies | Successful BIM Implementation

BIM Scope 

Our client, a leading hotel developer, faced challenges with incomplete GFC drawings, coordination issues, and MEP quantity variations. The BIM goals for this project were:

  •  Complete Coordination

  •  Provide Complete GFC to MEP Contractors: Improve construction efficiency by providing      complete GFC drawings at the start.

  • Eliminate Shop Drawing Production: Maintain     better execution control by eliminating MEP     vendor-produced shop drawings.

  • Reduce Construction Time: Shorten     construction and delivery time for cost benefits​

BIM Strategy

We retooled the BIM process, leveraging our design-build experience to overcome challenges, achieve measurable benefits, and maximize business value for the client.

Virtual Construction Methodology

1.. BIM-Enabled Design Coordination

  • Developed BIM models from GFC and DD Stage drawings.

  • Collaboration ensured adherence to design and constructability, minimizing rework.

2.Virtual Construction Methodology

  • Used explicit dimensions from drawings, not CAD.

  • Identified and resolved constructability issues through BIM workshops.

3.Sequential Construction for Clash Avoidance

  • Adopted step-by-step sequential modeling to avoid clashes.

  • Coordinated each trade’s model sequentially.

4. Construction Allowance Considerations

  • Included tolerances for installation, repair, and access.

  • Reviewed by MEP consultant and PMC, added execution-related comments to the BIM model.

5. Value Engineering

  • Conducted workshops to optimize service routing and minimize wall penetrations..

6.Optimizing Wall and Floor Penetrations

  • Designed wall openings with sufficient clearances for ducts and cable trays.

7.MEP Shop Drawings and Quantities

  • Generated detailed shop drawings from information-rich models.

  • Incorporated construction team feedback into revisions.

Innovative BIM Strategies

 1.In order to achieve the identified BIM Goals, we worked closely with the MEP Consultant to eliminate the conventional “modeling-clash detection-revised drawings-clash resolution” process, as shown below. The sequential modeling and coordination process evolved resulted in coordinated, “first-time-right” BIMs.

2.Time-consuming and inefficient process of shop drawing preparation by vendors was eliminated by extracting MEP shop drawings directly from BIM models. Drawings extracted from BIMs were validated by the MEP consultant and directly issued for construction.

 Sanrachna Case Studies | BIM Case Studies|AEC Project Case Studies|3D Modeling Case Studies | Successful BIM Implementation

Innovative BIM Strategies

Through successful BIM implementation, we have been able to achieve following key advantages for our Client:

1.Elimination of coordination                               :  issues

2.Accurate quantification                                     : of MEP items

3.Start of construction                                            : 1month ahead of schedule (actual)

4.Project hand-over                                                 : 3 months ahead of schedule (targeted)

5.Cost saving                                                              : 3 months of interest saved + revenue generated (targeted)

6.Established Standard Operating Process : for all projects

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