Largest flood defence project

The Delta Works, off the coast of Holland, are a huge series of dams, locks, sluices, storm surge barriers and dykes designed to protect low-lying areas of the country from the sea. Construction began in 1950 and ended in 1997 with the completion of the Maeslantkering and the Hartelkering barriers. The Delta Works contain some 16,495 km (10,250 miles) of dykes and around 300 separate structures. The largest signal component is the Oosterscheldedam, which is the largest single tidal barrier in the world, at 9km Continue reading →

Largest floating crane ship

The world’s largest floating crane ship is Thialf, a 201.6 m (661.4 ft) long semi-submersible barge with a lifting capacity of 14,200 tonnes (31.3 million lb). Thialf is operated by Heerema Marine Contractors of the Netherlands. Thialf carries two 95 m (311 ft) tall cranes which are capable of lifting objects in tandem (the lifting capacity quoted above is for such lifts). Essentially a colossal square sea-going barge, the lower section of Thialf’s hull can be flooded, increasing its draught (i.e. causing it to float Continue reading →

Largest floating Christmas tree

The largest floating Christmas tree measures 85 m (278 ft 10 in) in height and was erected as an annual tradition in Rodrigo De Freitas Lagoon in Rio De Janeiro, Brazil for Christmas 2007. The tree was sponsored by Bradesco Seguros e Previdência. 2.8 million micro lamps & 37 km (22.99 miles) luminous hose were used on the tree.

Largest flying boat in commercial operation

The Boeing Model 314 ‘Clipper’ aircraft were the largest flying boats ever to carry passengers in commercial service, with a wing span of 46.3 m (152 ft), a length of 32.3 m (106 ft) and a maximum takeoff weight of 38.1 tonnes (84,000 lb). Clippers were operated by Pan American Airlines during the ‘golden age’ of flying boats, the late 1930s, and had seats for 74, or reclining night-time berths for 40 passengers. The aircraft were the first to operate regular passenger services across the Continue reading →

Largest fondue set

The largest fondue set consisted of a pot measuring 2.6 m (8 ft 6 in) in diameter and 1.61 m (5 ft 3 in) deep and two forks measuring 2.61 m (8 ft 6 in) long and was created by the Football Club Semsales (Switzerland) in celebration of their 75th anniversary in Semsales, Switzerland, on 26 June 2010. The fondue prepared in the pot used 922.5 kg (2,033.76 lb) cheese, equal parts gruyere and vacherin.

Largest flying boat in military operation

The largest flying boat ever to become operational is the Martin JRM-3 ‘Mars’, which has a wingspan of 61 m (200 ft) and a maximum takeoff weight of 73,500 kg (162,000 lb). Five were built by the Glenn L Martin Company for the US Navy in the 1940s, and two remain in service as water bombers with the Canadian company Flying Tankers.

Largest fresh-flower lei/garland

The longest fresh-flower lei measured 5.01 km (3.11 miles) long and was made by 120 volunteers in an event organized by Chev. Dr. N. R. Dhanapalan (India) in Chennai, India, on 2 January 2012. The lei consisted of 80,000 carnations of various colours.

Largest fresh flower mural

The largest flower mural, using 770,000 fresh dahlias, measured 1,868.94 m² (20,117ft²) and was created on 7 August 2001 by 1,250 people representing 16 neighbourhoods from the Dahlia Record Committee in Lemelerveld, The Netherlands. The mural used 770,000 fresh dahlias which were glued on 900 individual panels. The panels were then all placed next to each other in a large square to make one continuous image. The mural was 6.03 m (19.78 ft) tall and 309.94 m (1,016.86 ft) long.