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DEVON BUILDINGS GROUP NEWSLETTER NUMBER 26 Autumn 2008 DEVON BUILDINGS GROUP NEWSLETTER NUMBER 26, AUTUMN 2008 Contents SECRETARY’S REPORT Peter Child.................................................................................................3 NEWSLETTER EDITOR’S REPORT Ann Adams................................................................................................. 5 MEDIEVAL ARCHED BRIDGES IN DEVON Stewart Brown.............................................................................................7 BRIDGE ENGINEERING - A BEGINNERS’ GUIDE Bill Harvey................................................................................................33 EXETER BRIDGES Bill Harvey................................................................................................37 EXETER SCHOOLS 1800-1939: AN UPDATE Stuart Blaylock and Richard Parker...............................................................44 Illustrations Front cover: Exe Bridge, St Edmund’s Church and Frog Street, drawn by Eric Kadow from a reconstruction by Stewart Brown Medieval Arched Bridges in Devon: © Stewart Brown Bridge Engineering - A Beginners’ Guide: Bill Harvey Exeter Bridges: Bill Harvey Exeter Schools 1800-1939: © Stuart Blaylock SECRETARY’S REPORT to Michael for leading it and for his talk. 2007-2008 The summer meeting was held in Exeter at the This year began with our 22nd AGM at the St City Gate public house; the theme was ‘Devon Paul’s Church Parish Rooms, West Exe, Tiverton Bridges’. This was initiated by Bill Harvey who on 27th October 2007, at which Ann Adams, Lyn is a member of both the DBG and the Institution Auty, Jo Cox, Dawn Honeysett, Jenny Sanders, of Structural Engineers. It was conceived as a John Thorp, Robert Waterhouse were re-elected joint meeting but in the event only one member to the committee, and Caroline Garrett’s co- of the IStructE came which was perhaps fortunate option onto the committee was confirmed. Lyn given the limited size of the room. After coffee Auty was elected Treasurer and Membership and cakes Brian George, previously DCC’s Chief Secretary and Peter Child reappointed Secretary. Bridge Engineer talked to us about James Green’s After the business meeting Michael Laithwaite achievements in the county. Brian is an authority gave us an excellent talk on Tiverton’s industrial on James Green, having written a definitive housing, essentially all erected by Heathcoats book about him. He described his career from an [which moved to Tiverton in 1816] for their assistant to the great John Rennie to becoming factory workers, in the North Country tradition, county bridge surveyor in 1808. In this post he although sometimes they were let out to other was responsible for numerous projects in Devon, workers. By 1860 the firm employed 20% of including building or widening some 80 bridges, Tiverton’s workers. The firm built housing improvements to turnpike roads, constructing over a long period from the 1840s to the 1960s, canals and designing buildings. Despite this great constructing much of the suburb of West Exe. opus, Green got into financial trouble and was Michael’s study of their housing was towards declared bankrupt in 1837. He ceased to be the a listing survey which evolved from the Estate county surveyor in 1840 but continued working Office’s concern over unsuitable alterations on major projects until his death in 1849. He left to the houses once released from their control. behind him in Devon an extraordinary heritage. Heathcoats was a progressive employer, building the first factory school in the West Country and Bill Harvey followed Brian with a wonderfully providing relatively good working conditions. illustrated demonstration on the mechanical Not all the housing was intended for its workers; properties of bridge construction. It would be the rather grander St Paul’s development was not impossible to summarise such a visual talk in for them but for leasing out. Heathcoat himself writing but his object was to show, particularly first lived in St Peter’s Street overlooking the by means of models, how bridges do their work factory but in 1831 moved to Bolham outside in spanning voids. In his words: ‘structural the town and subsequently to Knightshayes. engineering is all about our need to put weight Michael described the various phases of estate where it doesn’t want to be’ and ‘bridges are developments in West Exe. The full gamut of about putting weight where there is nothing to terrace styles was used although with an overall hold it up’. He illustrated these principles by theme of brick walls with sash windows. Cast manipulating his models with great dexterity, iron sills, presumably made in the factory, are showing how beams and arches try to achieve a common feature, while another characteristic this objective. He described the various types was the use of rounded corners. After lunch we of bridges and how they work. We were all visited St Paul’s Church by Manners and Gill riveted and our comprehension of the world of of 1854-6, following which Michael guided engineering greatly improved. us around West Exe, showing us the houses which he had described in his talk. We ended After Bill, Stewart Brown concluded the morning up at Loughborough, north of the factory where with a detailed overview of the medieval bridges survive ten now much altered cottages which of Devon. He started with a description of Exe were purchased in 1816 for the newly arrived Bridge, the oldest arched bridge in the county, workers. This was a thoroughly enjoyable and built c1200. Its arches all seem to be of one informative tour and the Group owes its thanks period but alternate in being round and pointed - 3 is this simply a sign of their being from a period see the cast iron bridge over its eastern entrance. of architectural transition? Its arches are ribbed, This tour proved so exacting that no one had the an English constructional feature, and it sits energy to go on to Cowley Bridge as originally on piled foundations. Ribbed arches are found proposed, so James Green did not get his proper in four other Devon bridges but none of these share! It was a great promenade nonetheless and are reliably dated and more analysis is badly Bill is to be doubly thanked for organising much needed. He then examined the other medieval of the day and for conducting us so informatively bridges in Devon including the much altered around the bridges of Exeter. great bridges of Bideford and Barnstaple. Dating these structures is very difficult as documentary The committee has met six times during the records are ambiguous and bridge builders last year. We were deeply sorry to lose Peter tended to be very conservative ; for example the Roseveare who very sadly died early this year. 17th or 18th century bridges over the Tamar are He kept us in touch with the progress of the built in a medieval style. development of the new settlement at Sherford and its impact on historic buildings in the area These were three outstanding presentations and right up to the end and he will be missed. We co- it is hoped to publish them in the Newsletter opted a new committee member, Peter Marlow, in due course. After a poor lunch at the City who has retired to Tiverton from being the Gate, Bill took us on a guided tour of bridges National Trust’s historic buildings officer for in Exeter starting with the Iron Bridge itself just Northern Ireland. During the year we have made representations to Devon District Council’s on various planning proposals and other matters relating to historic buildings. This included objecting to Mid Devon DC over proposed development behind Park Street in Crediton [our objection was overruled], and to Teignbridge DC about the reinstatement of 16th century panelling in Sandford Orleigh House, Newton Abbot from which it had been removed without consent - it now seems likely that it will go to the local museum. We also made representations to Black Torrington church over their proposal to cover outside the pub, then over the fine cobbled path up to the South door. proceeding by way of No response has been received and we believe Bartholomew Street the work is to go ahead. We are concerned that with its view of other cobbled church paths in Devon are similarly Millers Bridge to old threatened and are considering whether we can Exe Bridge where issue some form of guidance on this matter. We we puzzled over have made no listing requests this year, but two its alternating arch from last year were at last determined by English style at some length. Heritage, who rejected Okehampton Hospital We then moved to [the old workhouse] for listing on the grounds the Quay where we that it had been too altered [it has since been saw the Cricklepit demolished without any record being made as Suspension Bridge far as we know], but who accepted our proposed and from there we upgrading to 2* of old Tavistock Police Station walked to Trews and Guildhall. This last is our only success over Weir Bridge and several years in requesting English Heritage to finally back to the endorse a listing request; upgrading is of course Quay and up to less contentious than listing new. We have Cathedral Close to commented upon three consultation documents 4 in the year: the Dartmoor National Park he was able to give valuable interpretation of Management Plan, the Devon County Council its developing intricacies, for the committee’s Historic Environment Role and Action Plan, and guidance. He continued to try to keep endangered the Government’s Draft Heritage Protection Bill. buildings in the Plymouth area photographically If the last comes into force, we shall at the least recorded and in the public eye - often supported have to learn a new terminology, as inter alia by letters from DBG. Sadly, we were none of listed buildings will become ‘registered heritage us often successful in saving them, although structures’. we believe that the Hoe Barn - the last remnant of a great medieval courtyard complex - is still reasonably secure.