The noun 'navvies' doesn't have its own collective noun. Since navvies were the workmen who built the railroads, a collective noun suitable for workmen will work; a gang of navvies, a crew of navvies, etc.
A lot of navvies
The Irish labours who built the canal system in England were called navigators, shortened to navvies.
They dug canals.
Irish navvies
Navvie is short for navigator Navvie is short for navigator
To find work as there was more work in Britain than in Ireland.
The term, 'navvie', is short for 'navigator' -the name that, at one time, was given to labourers who dug trenches.
Alun Francis has written: 'Contexture in paralax 2' -- subject(s): Wind quintets (Bassoon, clarinet, flute, horn, oboe) 'The Navvies' Union and the building of the Manchester Ship Canal' -- subject(s): Navvies' Bricklayers' Labourers' and General Labourers' Union
Don't worry about it(: Explosives, bricks, ballast, steel rails, concrete, navvies and lots of beer
They probably settled near the hamilton area because the irish built the welland canal and were known as navvies.
Cariboo road was built for workers to have easy access to the CPR (Canadian Pacific Railway). It was very dangerous for workers to ride along in oxen-powered carts. Many lives were lost in the raging Fraser River. A lot of the white workers were racist to the Chinese workers (Navvies) and were always more worried about the oxen being lost, not the Navvies.