Undated
From John Allen, Carpenter
Chesterfield
Building lock with 7ft lift
Chesterfield
Proposels by Jn^r Allin Carpenter for bilding Lockes prisis of worke & Cost of bilding one locke for a 7 ft Lift take 142000
Sand for D^o 130 Lode Stone for D^o 1370 feet Cubeck Timber 400 fts.
£ s d
Sawing & worke to complete such a lock: 16..16..0
(?) Joinery worke for D^o: 13..0..0
Cast D^o for D^o: 3,,10,,0
The only reference to a 7ft Lock is at Blunder Lock. The depth was suggested by Mr Frewin on 26 March 1778
https://stroudwaterhistory.org.uk/document/4263/
and he was instructed to build the same on 6 April 1778
https://stroudwaterhistory.org.uk/document/4264/
but he was dismissed on 11 May 1778.
