Location: Derby Road Bridge, Grays, Thurrock
Date: November 2021
The Concrete Consultancy 2000 Ltd were commissioned on the 4th November 2021 to undertake a survey and testing of the external concrete elements to Derby Road Bridge, Structure no.1076, Grays, Thurrock.
The investigation comprised; a visual and hammer rap survey of the external concrete elements to establish the current condition and note the extent of defects, site testing of concrete to establish depths of carbonation and sampling of the concrete and laboratory analysis for chlorides.
