Construction and civil engineering group Kier has won two new lots of work, comprising the building of a high-rise tower in London and a six-year waterways contract.In a statement on Monday, Kier said its construction division has been appointed by Knight Dragon Developments as the preferred bidder to design and build a new £50m residential tower in Greenwich.The tower consists of 224 apartments across four blocks as part of the wider Knight Dragon development, which aims to build over 10,000 new homes by 2039.Meanwhile, Kier's services arm has been awarded an engineering and construction contract by the Canal & River Trust worth £25m a year, replacing an earlier contract which was in place since April 2009.The initial contract starts in April 2015 and will be for six years, with a possible extension of up to 10 years.The deal, which is the Canal & River Trust's largest single contract, will see Kier provide construction services across the waterways system.Kier's share price advanced 1.1% in early trading to 1,723p.BC