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Elan aqueduct

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111:. The aqueduct was built in sections by outside contractors, using three types of construction depending on the nature of the terrain it had to cross. "Cut and cover" was essentially a brick lined channel which was manually dug as a trench, then roofed over and concealed underground. Where the route of the aqueduct encountered high ground above the gradient needed to maintain the downward slope, a certain amount of tunnelling was required; at one point the tunnel is 100 metres below ground, ensuring the aqueduct was at only 220 metres above sea level. This totalled around 12 miles (19 km), with the longest single length being just over 4 miles (6.4 km). The third construction type was the use of either bridged aqueducts or inverted 120: 96: 291: 33: 2285: 115:
to cross valleys and rivers where the ground level dropped too steeply for the required hydraulic gradient to be maintained. The pipeline was continued at the other side of the valley at the same height as the delivery pipe. With the inverted syphon technique, the water naturally fills the lower
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Some crossings over canals and railways have been replaced by buried pipes. The line of the buried aqueduct through woodland is marked by a 20 metres (66 ft) "exclusion zone" from which trees are removed.
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The initial scheme opened in 1906 with two 42 in-diameter (1,100 mm) pipes. Two more pipes of 63 in (1,600 mm) diameter were added between 1919 and 1961.
1499: 728: 350: 87:. The aqueduct is 73 miles (117 km) long, down which the water travels at less than two miles per hour (3 km/h), taking one and a half days to get to Birmingham. 1072: 988: 518: 1373: 1247: 392: 434: 1841: 1799: 1757: 1715: 1541: 904: 686: 560: 476: 2626: 602: 1202: 1673: 157: 1628: 1586: 1457: 1415: 308: 245: 644: 2631: 2611: 2616: 1977:
Bing aerial imagery; OpenStreetMap; names from OS 1st Edition. Note: for linear features, coordinates are given for the Western, upstream, end.
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It delivers enormous quantities of water by gravity across the mid-Wales countryside, through north
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Deepwood Dingle crossing ("80 or 90 feet high", built by Morrison & Mason of Glasgow):
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section of pipe due to the head of water and flow continues downstream.
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Pediment of valve house with "Birmingham Corporation Water" wording
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Work on the first 13 miles (21 km) of the route from the
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Elan aqueduct on the Deepwood Dingle Crossing, Bringewood
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The aqueduct and its related features are visible at:
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View over the aqueduct as it crosses the River Severn
2420:"Elan Aqueduct siphon at Wolverley Secondary School" 1328:
Bennett's End Bridge (Cumberley Lane/ Colly Brook):
2503: 2501: 2479: 2477: 1958:"Powys Digital History Project: Elan Valley Dams" 2627:Water supply and sanitation in England and Wales 2588: 83:and into the West Midlands through eleven major 2498: 2474: 2094:"Observatory Point on The Elan Valley Aqueduct" 2581:User-generated map of the route on Google Maps 138:The engineer for the Elan aqueduct scheme was 27:Water connection between Powys and Birmingham 2632:Water supply in Birmingham, West Midlands 2612:Buildings and structures in Herefordshire 2157:"Valve House on The Elan Valley Aqueduct" 2280: 289: 118: 94: 31: 2274: 109:Birmingham Corporation Water Department 52:of England, running eastwards from the 14: 2617:Buildings and structures in Shropshire 2589: 2115:"Surveying Point On The Elan Aqueduct" 901:Downton Bridge (River Teme, Downton): 1938:List of crossings of the River Severn 2486:"Elan Aqueduct crossing the railway" 24: 2507: 2483: 2459: 2438: 2417: 2396: 2375: 2354: 2333: 2312: 2259: 2238: 2217: 2175: 2154: 2133: 2112: 2091: 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and Ireland 2120:Geograph Britain and Ireland 2099:Geograph Britain and Ireland 2078:Geograph Britain and Ireland 2057:Geograph Britain and Ireland 2036:Geograph Britain and Ireland 2015:Geograph Britain and Ireland 1994:Geograph Britain and Ireland 1915:Birmingham to Worcester Line 107:was started in June 1896 by 7: 2564:GPX (secondary coordinates) 1931: 285: 133: 10: 2648: 2073:"The Elan Valley Aqueduct" 2607:Bridges completed in 1904 2559:GPX (primary coordinates) 2534:Map all coordinates using 2287:The Birmingham Waterworks 1195:Teme Bridge (River Teme, 851:Graham's Cottage Bridge ( 2542:Download coordinates as: 2220:"Route of Elan Aqueduct" 1264:52.3603172°N 2.6802536°W 1142:Deepwood Dingle crossing 145: 2241:"Line of Elan Aqueduct" 890:Graham's Cottage Bridge 2462:"Elan Aqueduct siphon" 2441:"Elan Aqueduct siphon" 2399:"Elan Valley Aqueduct" 2378:"Elan Valley Aqueduct" 1904:52.429318°N 2.142821°W 1858:52.429569°N 2.152842°W 1816:52.429898°N 2.163124°W 1774:52.416608°N 2.252064°W 1732:52.414734°N 2.266107°W 1645:52.393083°N 2.413848°W 1603:52.387401°N 2.478847°W 1558:52.385448°N 2.492773°W 1516:52.381486°N 2.507248°W 1474:52.366449°N 2.596530°W 1432:52.369394°N 2.581770°W 1390:52.364581°N 2.605730°W 1348:52.365627°N 2.617254°W 1317:Inspection chamber (5) 1306:52.363091°N 2.628587°W 1269:52.3603172; -2.6802536 1219:52.359678°N 2.703721°W 1173:52.361508°N 2.780470°W 1131:52.360697°N 2.789672°W 1089:52.360438°N 2.793830°W 1058:Inspection chamber (4) 1047:52.360114°N 2.796648°W 1005:52.359273°N 2.803600°W 974:Inspection chamber (3) 963:52.354799°N 2.825199°W 921:52.350831°N 2.840863°W 879:52.347344°N 2.858526°W 840:Inspection chamber (2) 829:52.348547°N 2.980469°W 798:Inspection chamber (1) 787:52.347854°N 3.004957°W 745:52.339871°N 3.045829°W 703:52.334666°N 3.068550°W 661:52.287640°N 3.383070°W 619:52.320521°N 3.107452°W 577:52.314798°N 3.121883°W 535:52.303591°N 3.188647°W 493:52.300834°N 3.216593°W 451:52.287612°N 3.383281°W 409:52.286113°N 3.416445°W 367:52.291594°N 3.444634°W 325:52.296442°N 3.503467°W 295: 262:52.422451°N 2.001329°W 174:52.264032°N 3.597665°W 127: 123:The aqueduct over the 100: 54:Elan Valley Reservoirs 37: 2554:GPX (all coordinates) 293: 122: 98: 35: 2597:Aqueducts in England 2576:Elan Valley Aqueduct 2262:"Hidden Valve House" 1909:52.429318; -2.142821 1863:52.429569; -2.152842 1821:52.429898; -2.163124 1779:52.416608; -2.252064 1737:52.414734; -2.266107 1690:52.40117°N 2.33145°W 1650:52.393083; -2.413848 1608:52.387401; -2.478847 1563:52.385448; -2.492773 1538:Bridge over stream: 1521:52.381486; -2.507248 1479:52.366449; -2.596530 1437:52.369394; -2.581770 1395:52.364581; -2.605730 1359:Bennett's End Bridge 1353:52.365627; -2.617254 1311:52.363091; -2.628587 1286:Inspection chamber: 1224:52.359678; -2.703721 1178:52.361508; -2.780470 1136:52.360697; -2.789672 1094:52.360438; -2.793830 1052:52.360114; -2.796648 1027:Inspection chamber: 1010:52.359273; -2.803600 968:52.354799; -2.825199 943:Inspection chamber: 926:52.350831; -2.840863 884:52.347344; -2.858526 834:52.348547; -2.980469 809:Inspection chamber: 792:52.347854; -3.004957 767:Inspection chamber: 750:52.339871; -3.045829 708:52.334666; -3.068550 666:52.287640; -3.383070 624:52.320521; -3.107452 582:52.314798; -3.121883 557:Bridge over stream: 540:52.303591; -3.188647 498:52.300834; -3.216593 456:52.287612; -3.383281 414:52.286113; -3.416445 372:52.291594; -3.444634 330:52.296442; -3.503467 267:52.422451; -2.001329 179:52.264032; -3.597665 18:Elan Valley aqueduct 1899: /  1853: /  1811: /  1769: /  1727: /  1685: /  1640: /  1598: /  1553: /  1511: /  1469: /  1427: /  1385: /  1370:Hope Bagot Bridge: 1343: /  1301: /  1259: /  1214: /  1168: /  1126: /  1084: /  1042: /  1000: /  958: /  916: /  874: /  824: /  782: /  740: /  698: /  656: /  614: /  572: /  530: /  515:Observation tower: 488: /  446: /  404: /  362: /  320: /  257: /  216:Downton on the Rock 169: /  2602:Aqueducts in Wales 2031:"Nantmel Aqueduct" 1695:52.40117; -2.33145 389:Nantmel Aqueduct: 296: 128: 101: 66:Frankley Reservoir 38: 2336:"Concrete Pillar" 2294:on 17 August 2016 2199:"Under Park Bank" 2178:"Access To Water" 2136:"Hidden Aqueduct" 2052:"Carmel Aqueduct" 1401:Hope Bagot Bridge 683:Hidden Aqueduct: 546:Observation tower 431:Carmel Aqueduct: 228:Cleobury Mortimer 16:(Redirected from 2639: 2520: 2519: 2505: 2496: 2495: 2481: 2472: 2471: 2457: 2451: 2450: 2436: 2430: 2429: 2415: 2409: 2408: 2394: 2388: 2387: 2373: 2367: 2366: 2352: 2346: 2345: 2331: 2325: 2324: 2310: 2304: 2303: 2301: 2299: 2278: 2272: 2271: 2257: 2251: 2250: 2236: 2230: 2229: 2215: 2209: 2208: 2194: 2188: 2187: 2173: 2167: 2166: 2152: 2146: 2145: 2131: 2125: 2124: 2110: 2104: 2103: 2089: 2083: 2082: 2068: 2062: 2061: 2047: 2041: 2040: 2026: 2020: 2019: 2005: 1999: 1998: 1989:"Water Pipeline" 1984: 1978: 1975: 1969: 1968: 1966: 1964: 1954: 1923: 1922: 1920: 1919: 1918: 1916: 1911: 1910: 1905: 1900: 1897: 1896: 1895: 1892: 1877: 1876: 1874: 1873: 1872: 1870: 1865: 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2071:Evison, Mark. 2063: 2050:Evison, Mark. 2042: 2029:Evison, Mark. 2021: 2008:Evison, Mark. 2000: 1987:Evison, Mark. 1979: 1970: 1948: 1947: 1945: 1942: 1941: 1940: 1933: 1930: 1925: 1924: 1878: 1836: 1794: 1752: 1710: 1665: 1623: 1578: 1536: 1494: 1452: 1410: 1368: 1326: 1284: 1275:Ledwyche Brook 1242:Ledwyche Brook 1239: 1193: 1151: 1109: 1067: 1025: 983: 941: 932:Downton Bridge 899: 849: 807: 765: 723: 681: 639: 599:Survey tower: 597: 555: 513: 471: 429: 387: 345: 287: 284: 147: 144: 140:James Mansergh 135: 132: 92: 89: 70:drinking water 26: 9: 6: 4: 3: 2: 2644: 2633: 2630: 2628: 2625: 2623: 2620: 2618: 2615: 2613: 2610: 2608: 2605: 2603: 2600: 2598: 2595: 2594: 2592: 2582: 2579: 2577: 2574: 2573: 2565: 2562: 2560: 2557: 2555: 2552: 2550: 2547: 2546: 2544: 2543: 2538: 2537:OpenStreetMap 2535: 2517: 2516: 2511: 2504: 2502: 2493: 2492: 2487: 2480: 2478: 2469: 2468: 2463: 2456: 2448: 2447: 2442: 2435: 2427: 2426: 2421: 2414: 2406: 2405: 2400: 2393: 2385: 2384: 2379: 2372: 2364: 2363: 2358: 2357:"Valve House" 2351: 2343: 2342: 2337: 2330: 2322: 2321: 2316: 2309: 2293: 2289: 2288: 2283: 2277: 2269: 2268: 2263: 2256: 2248: 2247: 2242: 2239:Capper, Ian. 2235: 2227: 2226: 2221: 2218:Capper, Ian. 2214: 2206: 2205: 2200: 2193: 2185: 2184: 2179: 2172: 2164: 2163: 2158: 2151: 2143: 2142: 2137: 2130: 2122: 2121: 2116: 2109: 2101: 2100: 2095: 2088: 2080: 2079: 2074: 2067: 2059: 2058: 2053: 2046: 2038: 2037: 2032: 2025: 2017: 2016: 2011: 2010:"Valve House" 2004: 1996: 1995: 1990: 1983: 1974: 1959: 1953: 1949: 1939: 1936: 1935: 1929: 1921: 1883: 1879: 1875: 1837: 1833: 1795: 1791: 1753: 1749: 1711: 1707: 1669: 1666: 1662: 1624: 1620: 1582: 1579: 1575: 1537: 1533: 1496:Valve house: 1495: 1491: 1453: 1449: 1411: 1407: 1369: 1365: 1327: 1323: 1285: 1281: 1243: 1240: 1236: 1198: 1194: 1190: 1152: 1148: 1110: 1106: 1069:Valve house: 1068: 1064: 1026: 1022: 985:Valve house: 984: 980: 942: 938: 900: 896: 858: 854: 850: 846: 808: 804: 766: 762: 725:Valve house: 724: 720: 682: 678: 640: 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Retrieved 1952: 1926: 1701:River Severn 1668:River Severn 1454:Trig point: 1412:Corn Brook: 857:Leintwardine 630:Survey tower 297: 212:Leintwardine 149: 137: 129: 125:River Severn 102: 91:Construction 74: 41: 39: 29: 2298:17 November 1907: / 1861: / 1819: / 1777: / 1735: / 1693: / 1648: / 1625:Mad Brook: 1606: / 1561: / 1519: / 1477: / 1435: / 1393: / 1351: / 1309: / 1267: / 1230:Teme Bridge 1222: / 1176: / 1134: / 1092: / 1050: / 1008: / 966: / 924: / 882: / 832: / 790: / 748: / 706: / 664: / 622: / 580: / 538: / 496: / 454: / 412: / 370: / 328: / 265: / 196:Elan Valley 177: / 105:Elan Valley 68:, carrying 2591:Categories 1944:References 1913: ( 1891:52°25′46″N 1869:Siphon (4) 1867: ( 1845:52°25′46″N 1827:Siphon (3) 1825: ( 1803:52°25′48″N 1785:Siphon (2) 1783: ( 1761:52°25′00″N 1743:Siphon (1) 1741: ( 1719:52°24′53″N 1699: ( 1677:52°24′04″N 1654: ( 1632:52°23′35″N 1612: ( 1590:52°23′15″N 1569:Bridge (3) 1567: ( 1545:52°23′08″N 1525: ( 1503:52°22′53″N 1485:Trig point 1483: ( 1461:52°21′59″N 1443:Corn Brook 1441: ( 1419:52°22′10″N 1399: ( 1377:52°21′52″N 1357: ( 1335:52°21′56″N 1315: ( 1293:52°21′47″N 1273: ( 1251:52°21′37″N 1228: ( 1206:52°21′35″N 1182: ( 1160:52°21′41″N 1140: ( 1118:52°21′39″N 1098: ( 1076:52°21′38″N 1056: ( 1034:52°21′36″N 1014: ( 992:52°21′33″N 972: ( 950:52°21′17″N 930: ( 908:52°21′03″N 888: ( 866:52°20′50″N 853:River Teme 838: ( 816:52°20′55″N 796: ( 774:52°20′52″N 754: ( 732:52°20′24″N 712: ( 690:52°20′05″N 670: ( 648:52°17′16″N 641:Brynymor: 628: ( 606:52°19′14″N 588:Bridge (2) 586: ( 564:52°18′53″N 544: ( 522:52°18′13″N 504:Bridge (1) 502: ( 480:52°18′03″N 460: ( 438:52°17′15″N 418: ( 396:52°17′10″N 376: ( 354:52°17′30″N 334: ( 312:52°17′47″N 271: ( 249:52°25′21″N 185:Caban Coch 183: ( 161:52°15′51″N 152:Caban Coch 81:Shropshire 62:Birmingham 1894:2°08′34″W 1848:2°09′10″W 1806:2°09′47″W 1764:2°15′07″W 1722:2°15′58″W 1680:2°19′53″W 1656:Mad Brook 1635:2°24′50″W 1614:River Rea 1593:2°28′44″W 1581:River Rea 1548:2°29′34″W 1506:2°30′26″W 1464:2°35′48″W 1422:2°34′54″W 1380:2°36′21″W 1338:2°37′02″W 1296:2°37′43″W 1254:2°40′49″W 1209:2°42′13″W 1163:2°46′50″W 1121:2°47′23″W 1079:2°47′38″W 1037:2°47′48″W 995:2°48′13″W 953:2°49′31″W 911:2°50′27″W 869:2°51′31″W 819:2°58′50″W 777:3°00′18″W 735:3°02′45″W 693:3°04′07″W 651:3°22′59″W 609:3°06′27″W 567:3°07′19″W 525:3°11′19″W 483:3°13′00″W 441:3°23′00″W 399:3°24′59″W 357:3°26′41″W 336:River Wye 315:3°30′12″W 303:River Wye 252:2°00′05″W 164:3°35′52″W 58:Mid Wales 2284:(1901). 1932:See also 1838:Siphon: 1796:Siphon: 1754:Siphon: 1712:Siphon: 672:Brynymor 286:Features 273:Frankley 240:Frankley 224:Knowbury 208:Knighton 200:Rhayader 134:Engineer 79:, south 50:Midlands 48:and the 44:crosses 2622:Elenydd 232:Bewdley 113:syphons 1197:Ludlow 236:Hagley 220:Ludlow 194:) via 1963:9 May 204:Dolau 146:Route 46:Wales 2300:2011 1965:2012 234:and 40:The 2549:KML 1199:): 859:): 282:). 238:to 64:'s 60:to 56:in 2593:: 2512:. 2500:^ 2488:. 2476:^ 2464:. 2443:. 2422:. 2401:. 2380:. 2359:. 2338:. 2317:. 2264:. 2243:. 2222:. 2201:. 2180:. 2159:. 2138:. 2117:. 2096:. 2075:. 2054:. 2033:. 2012:. 1991:. 1884:: 1670:: 1583:: 1244:: 855:, 305:: 230:, 226:, 222:, 218:, 214:, 210:, 206:, 202:, 198:, 142:. 2583:. 2518:. 2494:. 2470:. 2449:. 2428:. 2407:. 2386:. 2365:. 2344:. 2323:. 2302:. 2270:. 2249:. 2228:. 2207:. 2186:. 2165:. 2144:. 2123:. 2102:. 2081:. 2060:. 2039:. 2018:. 1997:. 1967:. 1917:) 1871:) 1829:) 1787:) 1745:) 1703:) 1658:) 1616:) 1571:) 1529:) 1487:) 1445:) 1403:) 1361:) 1319:) 1277:) 1232:) 1186:) 1144:) 1102:) 1060:) 1018:) 976:) 934:) 892:) 842:) 800:) 758:) 716:) 674:) 632:) 590:) 548:) 506:) 464:) 422:) 380:) 338:) 275:) 242:( 187:) 154:( 20:)

Index

Elan Valley aqueduct

Wales
Midlands
Elan Valley Reservoirs
Mid Wales
Birmingham
Frankley Reservoir
drinking water
Herefordshire
Shropshire
river valleys

Elan Valley
Birmingham Corporation Water Department
syphons

River Severn
James Mansergh
Caban Coch
52°15′51″N 3°35′52″W / 52.264032°N 3.597665°W / 52.264032; -3.597665 (Caban Coch)
Elan Valley
Rhayader
Dolau
Knighton
Leintwardine
Downton on the Rock
Ludlow
Knowbury
Cleobury Mortimer

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