From Moorepark To Quot;Wine Alley Quot; : The Rise And Fall Of A Glasgow Housing Scheme By Seán Da
Wade Hendryx
The Thirlmere Aqueduct is capable of conveying 50,000,000gallons a day from Thirlmere, in the English lake district, to Manchester.The total length of 96 m. is made up of 14 m.of tunnels, 37 m. of cut-and-cover, and 45 m. of cast-ironThirlmere.pipes, five rows of the latter being required. The tunnelswhere lined, and the cut-and-cover, are formed of concrete, and are7 ft. in height and width, the usual thickness of the concrete being15 in. The inclination is 20 in. per mile. The floor is flat from sideto side, and the side-walls are 5 ft. high to the springing of the arch,which has a rise of 2 ft. The water from the lake is received in acircular well 65 ft. deep and 40 ft. in diameter, at the bottom ofwhich there is a ring of wire-gauze strainers. Wherever the concreteaqueduct is intersected by valleys, cast-iron pipes are laid;in the first instance only two of the five rows 40 in. in diameter werelaid, the city not requiring its supply to be augmented by more than20,000,000 gallons a day, but in 1907 it was decided to lay a thirdline. All the elaborate arrangements described above for stoppingthe water in case of a burst have been employed, and have perfectlyfulfilled their duties in the few cases in which they have been calledinto action. The water is received in a service reservoir at Prestwich,near Manchester, from which it is supplied to the city. The supplyfrom this source was begun in 1894. The total cost of the completescheme may be taken at about 5,000,000, of which rather under3,000,000 had been spent up to the date of the opening, at whichtime only one line of pipes had been laid.
From Moorepark to quot;Wine Alley quot; : the rise and fall of a Glasgow housing scheme by Seán Da
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Oman (q.v.) includes all the south-eastern corner of the peninsula.Its chief feature is the lofty range of J. Akhdar, 10,000 ft. abovesea-level. Like the great range of western Arabia, it runsparallel to the coast; it differs, however, from the westernOman.range in that its fall on the landward side is as abrupt and nearlyas great as on its seaward side. Its northern extremity, RasMusandan, rises precipitously from the straits of Hormuz; farthersouth the range curves inland somewhat, leaving a narrow but fertilestrip, known as the Batina coast, between it and the sea, and containingseveral populous towns and villages of which Sohar, Barkaand Sib are the chief. Muscat, the capital of the province and theprincipal port on the coast, is surrounded on three sides by bare,rocky hills, and has the reputation of being the hottest place in260Arabia. Zwemer says the fertility of the highland region of J.Akhdar is wonderful and is in striking contrast to the barrenness ofso much of the coast; water issues in perennial springs from manyrocky clefts, and is carefully husbanded by the ingenuity of thepeople; underground channels, known here as faluj, precisely similarto the kanat or karez of Persia and Afghanistan, are also largely used.The principal villages on the eastern slopes are Rustak, Nakhl andSemail in the well-watered valley of the same name; on the westernslopes are Tanuf and Nizwa, lying immediately below the highestsummit of the range; Semed, Ibra and Bidiya in the W. Bethaare all well-built villages with palm-groves and irrigated fields. Inthe north-west the Dhahira district sloping towards the Jewasimicoast is more steppe-like in character; but there two oases of greatfertility are found, of which Birema, visited by both Miles andZwemer, supports a population of 15,000. West of Abu Dhabi a lowflat steppe with no settled inhabitants extends up to the Katrpeninsula, merging on the north into the saline marshes which borderthe Persian Gulf, and on the south into the desert.
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