St Blazey
Location
LocationPar, Cornwall
Coordinates50°21′08″N 4°42′33″W / 50.3521°N 4.7092°W / 50.3521; -4.7092
Characteristics
OperatorDB Cargo
Depot codeBZ (1973-)[1]
History
Opened1874 (1874)
OriginalCornwall Minerals Railway
Pre-groupingGWR
Post-groupingGWR
Former depot code
  • SBLZ, STB or SBZ (1877 - 1947)
  • 83E (1948 - 1963)
  • 84B (1963 - 1973)[1]

St Blazey engine shed is located in Par, Cornwall, United Kingdom, although it is named after the adjacent village of St Blazey. It was built in 1874 as the headquarters of the Cornwall Minerals Railway but for many years was a depot of the Great Western Railway. The current depot operator (in 2016) is DB Cargo and the depot TOPS code is BZ.

History

Cornwall Minerals Railway locomotive Treffrey as delivered to the depot in 1874

St Blazey engine shed dates from the opening of the Cornwall Minerals Railway on 1 June 1874. This line linked Fowey and Newquay via Par in Cornwall. The engineer was Sir Morton Peto and he built workshops for the railway on the north side of Par, close to the adjoining town of St Blazey. The workshops included a distinctive roundhouse engine shed of nine 70 feet long roads around a turntable. Each shed road had a 58 feet long pit between the rails for servicing engines. The area also boasted an erecting and repair shop, a fitting shop, a smithy, boiler house and a 2,500 gallon water tower.[2]

Because of their location, the engine shed was initially known as Par. On 1 January 1879 a loop line was built to the Cornwall Railway station at Par after which the Cornwall Minerals Railway engine shed and adjacent station were known as St Blazey to avoid the confusion of two stations with the same name.[3]

The Cornwall Minerals Railway was operated by the Great Western Railway from October 1877, the GWR shed code being SBZ.[4] A new, elevated coaling road and 45,000 gallon water tank was provided before 1908.

The Great Western Railway was nationalised into British Railways from 1 January 1948 and given the shed code 83E.[4] The first diesel locomotive was allocated to St Blazey in November 1960. The last steam locomotive workings from the shed were on 28 April 1962 and the shed officially closed to steam that month.[5]

The roundhouse has since been converted into industrial units but since April 1987 the adjacent wagon repair shed has been used to service diesel locomotives, local passenger trains, and wagons used for china clay traffic. British Rail was privatised in the 1990s, the goods traffic and workshops at St Blazey becoming the responsibility of freight operator English Welsh & Scottish Railway (now DB Schenker Rail (UK)).

The turntable has been retained to turn the preserved steam locomotives that still visit Cornwall on special main line workings. It as given listed building status in 1974,[6] and at one time it was listed in Historic England's 'Heritage at Risk Register' as it was deteriorating through lack of maintenance.[7] but it was renovated in 2016 and was used for a special train on 7 August that year.[8]

Goods traffic is still sometimes loaded at St Blazey in the sidings adjacent to the depot.

Allocation and operation

Bar graph of locomotive types allocaed to St Blazey shed in 1922, 1950 and 1959.
Steam locomotives allocated to St Blazey shed, cotegorised by type.[9][5]

Lines operated by locomotives shedded at St Blazey are mainly the branches from Par to Newquay and associated freight lines and the two lines to Fowey. This resulted in an allocation of locomotives designed for hauling freight trains, and with the tight curves encountered on some of the branches, types with a short wheelbase suitable for such lines were usual. The smallest engine allocated to St Blazey in later years was the tank used for the Lostwithiel to Fowey branch, which was usually four-coupled. Under the GWR a Metro tank was usual but under British Rail an ex-GW 1400 class was used.[10] In 1960, a County class 4-6-0 locomotive was shedded at St Blazey as a trial but was moved away later that year.[10]

Following the change from steam to diesel the allocation of locomotives at St Blazey was only shunters. There were five Class 08 shunters allocated to St Blazey by the late 1970s[11] There were three turns for shunters allocated at St Blazey in 1981. One loco was used to shunt St Blazey yard, and a second locomotive was used as trip pilot travelling to Wenfordbridge clay dries Monday/Wednesday/Friday.[12] The third locomotive was a spare used to provide cover for the shunters at both St Blazey and Penzance sheds. This was a dual-braked example to work both the vacuum-braked 'clay hood' wagons commonly used on china clay trains in the St Blazey area and the passenger stock that would be shunted at Penzance.[13] In 1995 there were still three Class 08s, although by now all of these were fitted with air brakes.[14]

Larger locomotives were never based here but visited from other depots to haul freight trains. Many of these only operated during the week so that at weekends half a dozen locomotives could be at the depot awaiting active duty.[15][16] Types that have been in regular use from the depot since the 1970s have been Class 25[17] followed by Class 37[18] and now Class 66. Other classes have also been used for local freight trains. In 1990, a trial was carried out of a Class 56 as a possible replacement for heavy freights requiring double-headed Class 37s originating from the area. The trial was not successful.[19] One passenger train in the late 1970s was booked for haulage by locomotives normally operating freight trains from St Blazey, this being the summer Saturday service between Newquay and Newcastle; a pair of Class 25s taking it to Plymouth.[20][21]

Since the demise of British Rail the depot has been operated by English, Welsh & Scottish Railway (EWS, now DB Cargo). There have been no locomotives formally based at St Blazey as all shunters in the EWS Great Western Lines pool were officially allocated to Cardiff Canton depot, although locomotives still used the shed.[22]

The yard was used to store several DMUs overnight for British Rail and later Wessex Trains then Great Western Railway. This meant that several morning services started at Par railway station and evening ones terminated there.

References

  1. 1 2 "The all-time guide to UK Shed and Depot Codes" (PDF). TheRailwayCentre.com. 5 May 2006. Archived from the original on 17 December 2013. Retrieved 27 August 2016.{{cite web}}: CS1 maint: unfit URL (link)
  2. ↑ Vaughan 1991
  3. ↑ Bennett 1988
  4. 1 2 "Great Western & Western Region Locomotive Depots". The Great Western Archive. John Daniel. 2013. Retrieved 14 March 2021.
  5. 1 2 Bolger 1983, pp. 40–41.
  6. ↑ "Engine Sheds, Stack and Turntable. A Grade II* Listed Building in St Blazey, Cornwall". British Listed Buildings. Retrieved 14 March 2021.
  7. ↑ "Engine Sheds, Stack and Turntable, St Blazey Road, St. Blaise - Cornwall (UA)". Heritage At Risk Register. Historic England. Retrieved 11 November 2015.
  8. ↑ "St Blazey turntable is back – but 'Duchess' use prohibited". The Railway Magazine. Mortons Media Group Ltd. 19 September 2016. Retrieved 14 March 2021.
  9. ↑ Rowledge, J.W.P. (1986). GWR locomotive allocations: First and last sheds 1922-1967. Newton Abbot: David & Charles. ISBN 0 7153 8820 7.
  10. 1 2 "St Blazey Depot and Par Harbour". Cornwall Railway Society. Retrieved 27 March 2021.
  11. ↑ British Rail locoshed book. London: Ian Allan. 1978. pp. 5–11. ISBN 0 7110 0838 8.
  12. ↑ Vaughan, John (1983). Diesels in the Duchy. Shepperton: Ian Allan. p. 50. ISBN 0 7110 1326 8.
  13. ↑ Castle et al. 1981, p. 30.
  14. ↑ British Railways locomotives and coaching stock 1995. Sheffield: Platform 5. 1995. pp. 7–11. ISBN 1 872524 72 9.
  15. ↑ Castle et al. 1981, p. 38.
  16. ↑ Kilpatrick, R (1977). British Rail locoshed directory. Shepperton: Ian Allan. p. 9. ISBN 0 7110 0871 X.
  17. ↑ Perkins, Chris (1982). BR Class 24/25 Diesels. Truro: Bradford Barton. p. 16. ISBN 0 85153 432 5.
  18. ↑ Webster, Greengrass & Greaves 1987, p. 68
  19. ↑ Vaugan, John (2009). An illustrated history of the Cornish main line. OPC. p. 89. ISBN 978 0 86093 625 1.
  20. ↑ Ford, H.L. (1973). Diesels on Cornwall's main line. Truro: Bradford Barton. p. 63.
  21. ↑ Lund, E (1980). to the last drop. pp. 4–5. ISBN 0 9507063 0 2.
  22. ↑ British Railways locomotives and coaching stock 2004. Sheffield: Platform 5. 2004. pp. 16–21. ISBN 1 902336 39 9.

Sources

Wikimedia Commons has media related to St Blazey Traction Maintenance Depot.
  • Bennett, Alan (1988). The Great Western Railway in Mid Cornwall. Southampton: Kingfisher Railway Publications. ISBN 0-946184-53-4.
  • Bolger, Paul (1983). BR steam motive power depots: WR. Shepperton: Ian Allan. ISBN 0 7110 1311 X.
  • Castle, John; Wood, Ron; Castle, Simon; Woodley, Geoff (1981). Shunter Duties. Inter-City Railway Society.
  • Marsden, Colin J. (1987). BR Depots. Motive power recognition. Vol. 6. Ian Allan Ltd. ISBN 9780711017191. OCLC 18685680.
  • Vaughan, John (1991). The Newquay Branch and its Branches. Sparkford: Haynes/Oxford Publishing Company. ISBN 0-86093-470-5.
  • Webster, Neil; Greengrass, Robert; Greaves, Simon (1987). British Rail Depot Directory. Metro Enterprises Ltd. ISBN 9780947773076. OCLC 20420397.
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