Situated in one of Liberia's many marshlands, the terrain posed challenges to construction that required expert support.
Engineers have been challenged to convert wastes to useful construction materials to reduce their negative environmental and social impacts [23].
As regards the infrastructure component of the transport system, the main challenges relate to construction and management of smart, user friendly transport corridors in which ICT, smart energy, urban planning and service structures are integrated.
Civic Party lawyers also helped in a legal challenge to the construction of a bridge from Hong Kong to Macau, questioning whether full consideration had been given to the environmental implications of building essentially a long causeway over the shallow waters of the mouth of the Pearl River, home to one of the world's rarest kinds of river dolphin.
The deal vaults Universal ahead of EMI and Warner Music in the lucrative business of licensing song lyrics and tunes to enterprises for uses ranging from television shows to ringtones.Russian authorities exerted more pressure on a liquefied-natural-gas project led by Royal Dutch Shell through a legal challenge to its construction on environmental grounds.
Predicting and controlling the frost heave is a challenge to engineering construction in a heavily populated city.
The second challenge to the construction of a dynamics arises from the fact that one wants to define transition probabilities over infinitesimal units of time, and then derive the finite-time transition probabilities from them.
However, in the context of implicit time-stepping methods, high-order finite elements present challenges to the construction of efficient simulations due to the high cost of inverting the denser finite element matrix.
Charlie Lloyd, from London Cycling Campaign, who is a former lorry driver, said: "Our Safer Urban Lorry design is a challenge to the construction industry to use vehicles that help reduce the terrible number of people on bikes and on foot who are killed by lorries.
The limitations of the study include the challenge to recruit construction crews performing the same work tasks during the intervention period.
