[1] Chadwick studied at the Royal Military Academy in Woolwich, graduating with a commission in 1864.
In 1868 Chadwick went to India in the Royal Engineers public works department.
His duties were concentrated in Bombay for the time where he managed barges.
[2][3] During this time Chadwick directed and co-directed several engineering projects across the Asian British colonies such as Grenada, Hong Kong, and Mauritius among others.
While in Hong Kong he contributed significantly to the design of the future Engineer's office.