Skip to main content

Improved airport for Thimarafushi atoll

Thimarafushi forms part of the Thaa Atoll lying in the Indian Ocean but access has been limited in the past. However the construction of a new airport planned by the Maldives Government will help develop the tourist trade, boosting the local economy. Most visitors previously used the country’s two international airports, using these as hubs for flights to the country’s six domestic airports. This has limited travel to only a few of the country’s 1,192 islands, of which around 200 are inhabited. As a result,
August 29, 2014 Read time: 3 mins
Caterpillar machines provide new runway surface on Thaa Atoll
RSS

Thimarafushi forms part of the Thaa Atoll lying in the Indian Ocean but access has been limited in the past

However the construction of a new airport planned by the Maldives Government will help develop the tourist trade, boosting the local economy. Most visitors previously used the country’s two international airports, using these as hubs for flights to the country’s six domestic airports. This has limited travel to only a few of the country’s 1,192 islands, of which around 200 are inhabited. As a result, reaching most of the islands requires travel by boat.

A few years ago, the Maldives Government began to build its seventh domestic airport, on the island of Thimarafushi. The scenic island was chosen because of its natural beauty, and also because it could serve as a hub for those wanting to travel by boat to other nearby islands.

Maldives Transport and Contracting Co (MTCC), a customer of 4018 Caterpillar Paving dealer Tractors Singapore Limited, was awarded the contract to develop the Thimarafushi Airport in May 2012. The project began with 31ha of land being reclaimed both for the construction of the airport and to provide adequate housing for the islanders. The reclamation portion of the airport project was completed in 2011. Project plans called for a 1200m long by 30m wide runway and taxiway, with an asphalt surface. MTCC used a fleet of Cat equipment through most phases of the project, including a CS533E soil compactor, AP655D asphalt paver, CB434D vibratory asphalt compactor, CW34 pneumatic compactor, 336D L hydraulic excavator, M313C wheeled hydraulic excavator, 120K grader and 924Gz wheeled loader.

Logistics posed a challenge as the equipment had to be delivered by landing craft and barge, which included the hot mix plant, which was transported in pieces. Operators, too, were hard to find. Tractors Singapore Limited provided training to the customer and operators before the project started. During the building of the runway, a Tractors Singapore Limited product application expert and an engineer visited the jobsite to provide assistance. But even their travel was difficult. First, they had to fly to a nearby atoll, and then use sea transportation. It took about a half day of travel to reach Thimarafushi from one of the country’s two international airports.


The runway is surrounded by sea on the reclaimed land. Site preparation included the placement and compaction of aggregate. Project specifications required that 100% compaction densities were achieved on four layers.

A 200mm sub-base was placed first, and the Cat CS533E compacted it to 150mm. The same process was followed for the second layer. The third layer consisted of binding material that was placed at 130mm and compacted to 100mm.

The fourth layer was asphalt with aggregates of 12.5mm, 9mm and 6mm. It was placed at 60mm and compacted to 50mm. A Cat AP655D asphalt paver with AS4251 screed handled the paving.

Paving production was limited because of the hot mix plant’s capacity of 45tonnes. During the average day, the paver placed a strip that was 5m wide and 700m long. Dump trucks hauled the mix the short distance from the plant to the runway.

RSS

For more information on companies in this article

Related Content

  • Paving a Japanese airport within strict time constraints
    September 19, 2012
    In Japan, major efforts are being made to both conserve energy and materials, while also delivering high quality airport runways. At Haneda Airport, as well as at the Fukuoka, Chitose and Sendai airports, innovative use is being made of asphalt paving equipment from Sumitomo. The latest model HA60W J paver from Sumitomo is being used to lay warm mix asphalt, while the contractors is also using sophisticated control technology. To minimise disruption to flight schedules, construction work at Haneda has been
  • New deals between testing equipment companies are good news for customers
    May 22, 2014
    This month we report on two very different deals which see materials testing equipment companies in Italy and Australia joining forces and the result should be more competition, better machines and better prices for customers - Kristina Smith writes Italy’s CONTROLS Group has acquired Autralia’s IPC Global in a deal signed on 31 March this year.The first of two deals which see Italy and Australia joining forces came in March this year. CONTROLS Group acquired Australian material testing equipment manufactur
  • Roadtec’s additive system for cold-in-place recycling
    November 6, 2017
    Roadtec’s innovative CIR Additive System can be used in the cold-in-place recycling of asphalt pavement. This is a useful technique for the repair and rehabilitation of asphalt-paved roads. The system is used to transfer, measure, and inject either emulsion or foamed asphalt to the cutter housing of the milling machine. The additive is then blended with the milled material and transferred for paving. Roadtec says that its cold-in-place recycling (CIR) equipment makes it possible to repair damage to a
  • Tyred compactors deliver the finish touch
    June 21, 2016
    A steady resurgence in demand for rubber tyred compactors for finishing work has seen manufacturers introduce new models - Mike Woof writes The rubber tyred compactor looked for a time as if it might disappear from the market only a few years ago, when demand began to dip for these units. However a resurgence in interest from the marketplace prompted manufacturers to revamp their respective product ranges, delivering new models to meet demand. Typically used for tasks such as finishing work, rubber tyred