By Guy Taylor The chief executive of Kier Group said the construction firm was “confident” strong cash generation would lead to bumper shareholder dividends in the future, as it booked nearly £11bn in orders over the last year. The company’s pre-tax profit rose 13 per cent to £118.1m on an adjusted basis, while operating profit rose 14 per cent to £150.2m. Revenue also soared 17 per cent to £3.97bn Kier Group reported a full-year order book of £10.8bn, which marked a seven per cent year-on-year increase. It is currently proposing investor payouts of 3.48 per share, together with an interim div…