John Rylands Library pitched roof over its reinforced concrete roof. Champneys designed a pitched roof but Mrs Rylands was advised that an internal stone vault would reduce the fire risk and it was not built. The £17 million project was completed by summer 2007 and the library reopened on 20 September 2007. By the nineteenth century Manchester was a prosperous industrial town and the demands of cotton manufacturing stimulated the growth of engineering and chemical industries. The town became 'abominably filthy' and was 'often covered, especially during the winter, with dense fogs ... there is at all times a copious descent of soots
John Rylands Library demolished to make way for the construction. Champneys incorporated this suggestion into his design, setting the two towers of the facade twelve feet back from the boundary and keeping the entrance block low, to allow light into the library. He designed the building in a series of tiered steps with an almost flat roof to give a 'liberal concession' to the neighbours' 'right to light'. The library was built on a rectangular plan and subsequent extensions are to the rear. It was designed to resemble a church in a decorated neo-Gothic style with Arts and Crafts details. It is constructed