BE Magazine - Volume 4, Issue 4 - (Page 25)

CIVIL BE Award Finalist PROJECT OVERVIEW Greenﬁeld Airport Takes Flight Tricky terrain, changing project requirements confront Bangalore airport designers Bangalore International Airport Organization L&T-RAMBØLL Consulting Engineers Limited BE Awards Category Civil Site Design Project Objectives Complete detailed design and construction drawings for airside and landside civil work for new greenﬁeld airport F or L&T-RAMBØLL Consulting Engineers, designing the civil infrastructure for a new airport to be built on a greenﬁeld would have been enough of a challenge. The challenge became a Herculean task with the client revising the scope substantially halfway through the project without extending the project commissioning date. This revision of scope came about to make the airport ﬁt for phenomenally large increase in the trafﬁc projection based on its client’s new trafﬁc studies. Located east of the Bangalore-Hyderabad National Highway (NH7), the new airport is 37 kilometers away from Bangalore and four kilometers south of Devenhalli. This is the ﬁrst greenﬁeld airport to be developed in India through a public/private partnership. The new Bangalore International Airport will alleviate airport congestion in India’s third busiest airport, serving 7.5 million passengers each year. Under the current development plan, the new minor service roads will connect the apron and service areas. The four-kilometer main airport access road features two rotary intersections and a grade separator. Total road length (both airside and landside) is 30 kilometers, and parking will accommodate 2,000 cars. The civil work also covers surface drainage for the entire airport. When the trafﬁc forecast increased in June 2005, the terminal building expanded in size, and the number of aircraft stands and passenger boarding bridges also increased. The layout of the taxiways and the terminal access roads changed to accommodate the increased trafﬁc. Despite these changes, the client required the redesign and construction to be completed within the project’s original time frame. Once the scope was increased, the client went through another open tender process before awarding the contract to the original contractor. The design team had to carry out the tender designs, which included studies of various design options and selection of the optimal solution. L&T-RAMBØLL credits Bentley’s interoperable products with helping it complete the tender engineering and the detailed designs within the tight timetable. The complexity of the project required a sophisticated and integrated design process since all designs had to comply with the design speciﬁcations of the International Civil Aviation Organization (ICAO) and U.S. Federal Aviation Administration (FAA). “The unique features of these solutions enabled us to meet the tight schedules for the increased scope of work midway through the project,” v The Bangalore International Airport is the ﬁrst greenﬁeld airport to be said senior project consultant Sanjay K. Srivastava. L&Tdeveloped in India through a public/private partnership RAMBØLL has been using MX solutions and STAAD.Pro since the company formed in 1998. airport is designed to handle 27 aircraft per hour. It features 42 Code C aircraft stands, a terminal building, and cargo-handling facilities for 300,000 tons of cargo each year. Working with the site L&T-RAMBØLL’s civil works component is budgeted at $180 milL&T-RAMBØLL designers modeled the terrain in MX for an acculion. It includes a 4,000-meter-by-45-meter runway for Code 4E airrate topographic survey, with a single terrain model created for use craft (Boeing 747, Boeing 777), a parallel full-length taxiway (4,000 by all design team members. Two engineers used MX to generate meter by 25 meter) designed for Code F aircraft, two rapid-exit taxiand examine various design alternatives to minimize the earthwork ways, and other connecting taxiways. Aprons for the passenger terquantities and one engineer handled runway, taxiway, apron, and minal and the cargo area measure 351,300 square meters. An other connecting roads. Five different alternatives were evaluated isolation bay takes up an additional 14,710 square meters. Major and in a short period of time to freeze the design concept. Volume 4, Issue 4 | BE MAGAZINE 25

Table of Contents Feed for the Digital Edition of BE Magazine - Volume 4, Issue 4

BE Magazine - Volume 4, issue 4 Contents The Drive To Innovate News BE Newsletter Highlights Converging on the Market Bytes and Bricks Generative Components Building Courting Success Remodeling an Icon Structural Integration Building News From Bentley Civil Greenfield Airport Takes Flight Good Neighbors Collaborative Innovation Civil News From Bentley Advertisers Index Geospatial Ring of Fiber Revolutionizing Integrity Management Port City Transformation In Conversation With Greg Bentley Geospatial News From Bentley Plant Single-Source Service Committed to Cleaner Air Expediting Expansion Plant News From Bentley Strength in Numbers The Art of Visualization A Winning Legacy Zero Change Culture: Further Definition A Remarkable Collaboration With a Forward-Thinking Community

BE Magazine - Volume 4, Issue 4

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