Weirs Sentence Examples
These weirs were satisfactorily completed in 1901.
The Sangam and Pennar systems depend on two weirs on the river Pennar in the Nellore district, the former about 18 m.
From these weirs flow canals altogether about 127 m.
The system consists of weirs over the rivers Gulleri, Mahanadi and Rushikulya in the backward province of Ganjam, south of Orissa.
He is alleged to have completed the system of nine canals and weirs in three years' time.
Of trout there are many fine specimens, especially at the weirs.
The products of the textile industry in America were bark cloth, wattling for walls, fences and weirs, paper, basketry, matting, loom products, needle or point work, net-work, lacework and embroidery.
A system of waterways (the Geeste and Hadelner canals, meeting one another at Bederkesa) connects the estuary of the Weser with that of the Elbe; a canal between the Hunte and the Leda gives connexion with the Ems. On the upper Weser (above Bremen) the navigation, which is interrupted by occasional rapids, is assisted by locks and weirs.
Rough weirs, formed of stakes and twigs, were erected across English rivers in Saxon times for holding up the water and catching fish, and fish-traps, with iron-wire meshes and eel baskets, are still used sometimes at weirs.
This arrangement has been provided at several weirs on the Thames, to afford control of the flood discharge, and reduce the extent of the inundations; the largest of these composite weirs on that river is at the tidal limit at Teddington, where the two central bays, with a total length of 2421 ft., are closed by thirty-five draw-doors sliding between iron frames supporting a foot-bridge, from which the doors are raised by a winch.'Advertisement
The barrage at the head of the Nile delta, and the regulating sluices across the Nile at Assiut and Esna in Upper Egypt below Assuan, are examples of draw-door weirs, with their numerous openings closed by sluice-gates sliding on free rollers, which control the discharge of water from the river for irrigation.
The addition of a foot-bridge greatly facilitates the raising and lowering of these shutter weirs, and also aids the regulation of the discharge; but it renders this form of weir much more costly than the ordinary frame weir, and where large quantities of drift come down with sudden floods, the frames of the bridge are liable to be carried away, and therefore boats must be relied on for working the weir.
The drum weirs erected across shallow, regulating passes on the river Marne in1857-1867comprise a series of upper and under wrought-iron paddles, which can make a quarter of a revolution round a central axis laid along the sill of the weir.
Accordingly, for several years its use was restricted to the Marne; but in1883-1886drum weirs were 2 Proc. Inst.
But this was looked on as too near the limit of safety to be relied on, and in 1899 subsidiary weirs were started across both branches of the river a short distance below the two barrages.Advertisement
Some of the clauses are unimportant concessions to individuals, or deal with matters of trifling importancesuch as the celebrated weirs or kiddies on Thames and Medway, or the expulsion of the condottieri chiefs Gerard dAthies and Engeihart de Cigogn.
Unlike their Papuan relatives, the islanders are unskilled in carving and pottery, but are clever farmers and fishermen, constructing ingenious fishing weirs.
The River Dove meanders slowly through a beautiful wooded dale, over a succession of tiny weirs.
For instance, culverting or the construction of weirs may render watercourses impassable to fish and other wildlife.
Now the truth is that the Weirs, father and son, were surrounded by a posse of strenuous loyalists.Advertisement
But the river also powered water mills, and there were weirs for mills and fisheries across some channels.
Before the 17 th October this year we hope to have at least another 3 wooden weirs constructed and 1 more stone weir.
The family tradition is that a relative returning from Bloemfontein in South Africa saw the possibilities of reworking the old weirs.
In addition to the proposed work to improve flood protection, several weirs will be modified to allow fish movement along the river Alne.
One or maybe two accommodation bridges, a winding hole, bank work and overflow spill weirs.Advertisement
A footbridge has been built across the mill weirs to give direct access to the hall.
A statute of 1393 was granted to the citizens of London to remove weirs on the Thames, and empowered the Lord Mayor to enforce its provisions.
Waste weirs resemble ordinary solid weirs in providing for the surplus discharge from a reservoir of an impounded river or mountain stream over their crest; but in reality they form part of a masonry reservoir dam for storing up water for water-supply or irrigation, kept purposely lower than the rest of the dam to allow the excess of water to escape down the valley (see Water-Supply).
I was worried that we might get swept over the weirs !
There were weirs constructed either side of the large island just upstream of the bridge.
The Salmon Fishery Acts of 1861 and 1865 sought to modify existing fish weirs in rivers and forbid new ones.
The number of locks is 47, including four navigation weirs above Oxford.
Weirs are essential for raising the head of water for water-wheels at mills, and for diverting some of the flow of a river into irrigation canals; but they have received their greatest and most varied extension in the canalization of rivers for navigation.
There are three distinct classes of weirs, namely, solid weirs, draw-door weirs, including regulating sluices for irrigation, and movable weirs, which retain the water above them for navigation during the low stage of the river, and can be lowered or removed so as to leave the channel quite open in flood-time.
These weirs, if solidly constructed, possess the advantages of simplicity, strength and durability, and require no superintendence.
This serious defect of solid weirs, where the riparian lands are liable to be injured by inundations, can be slightly mitigated by keeping down the crest of the weir somewhat below the required level, and then raising the water-level at the low stage of the river by placing a row of planks along the top of the weir.