 These included the committee which recommended an eight-hour day for coal workers implemented as the Eight Hour Act in 1906 and the Royal Commission into accident prevention in 1908 which also resulted in tighter safety regulations.From 1908 to 1913 Redmayne was appointed a commissioner to inquire into mine disasters at the Hamstead, Maypole, South Moor, Whitehaven, Little Hulton, Cadeby and Senghenydd.The disasters he investigated caused a loss of 1250 lives in total.