How to use Haulage in a sentence
The main haulage tracks are laid at the bottom of the stope, which thus forms the level.
Haulage roads are driven in the ore so as to divide the floor into areas of convenient size.
The subdrift system requires a smaller amount of narrow work in excavating the necessary haulage roads, and is therefore better adapted to hard ores in which such narrow work is expensive.
Trolley haulage lacks the flexibility of steam or compressed air haulage, and is limited to main lines because the wires must be strung throughout the length of the line.
Drainage channels are provided, usually along the main haulage roads, by which the water flows to a sump excavated at the pump shaft.Advertisement
The excavated material is brought to the hoisting shaft, or sometimes directly to the surface, in small mine cars, moved by men or by animals, or by locomotives or wire-rope haulage.
Sharp curves should be avoided, especially for mechanical haulage.
We don't want to become a haulage contractor operating in competition with our ferry customers who collect and deliver their own freight.
Furthermore, the recommendation by ORR to halve track access charges should prove a vital counterbalance to improvements in road haulage competitiveness.
This steep northbound climb into the city required rope haulage, powered by two stationary steam engines.Advertisement
Future growth in rail freight is expected to continue by increasing services for bulk haulage, general merchandise and fast moving consumer goods.
However, they had been the mainstay of heavy freight haulage for nearly a decade.
The stimulation of local supply chains can reduce the need for long distance haulage of raw materials or finished goods.
Recent freight haulage contract wins for EWS include a five year contract with TOTAL UK Limited.
The railroad was replaced by road haulage in 1948.Advertisement
The Paddy Train at the Museum uses a rope haulage system, which is driven by a haulage engine.
They are served by an inclined railroad, of standard gage worked by a steam haulage engine of colliery type.
Many highly skilled people lose their jobs, in areas such as manufacturing, machinery repair and livestock haulage.
Once in the UK, foreign hauliers offer services back to the continent at haulage rates which UK hauliers have difficulty in matching.
Fines for road haulage offenses are too low, and should be raised significantly, with revenue hypothecated back into enforcement resources.Advertisement
Mining laws have proved chiefly serviceable in securing the introduction of efficient ventilation, the use of safety-lamps, and of proper explosives, to lessen the danger from fire-damp and coal-dust in the coal-mines, the inspection of machinery for hoisting and haulage, and prevention of accidents due to imperfection in design or in working the machinery.
Trained volunteers are in short supply for rope haulage, and there are vacancies in all operating departments.
Euro II This recommendation has been superceded by developments in regulations, which have produced a positive impact on the road haulage industry.
A towing chain, laid in the bed of the river, extends from Hamburg to Aussig, and by this means, as by paddle-tug haulage, large barges are brought from the port of Hamburg into the heart of Bohemia.
The latter includes not only the actual excavation of the mineral, but also haulage and hoisting by which it is brought to the surface, timbering and other means of supporting the excavations, and the drainage and ventilation of mines.Advertisement
As the mine is opened the deposit is subdivided into blocks of convenient size by parallel passages, which form later the main haulage roads, and by transverse openings for ventilation.
In this manner one floor after another is worked until the floor containing the main haulage roads of the level below is reached.
The floor containing these old haulage roads now becomes the top slice of the one hundred-foot block of ground below and is mined out as described.
Work is then started on the floor above, the upper floors being connected with the main haulage roads by winzes which are maintained through the filled ground.
The use of the heavy timbers and continuous framing which characterize this system facilitates greatly the work of mining and maintaining the haulage roads on the different floors, and gives more rigid support to the unmined portions of the block of ground above.Advertisement
For deep workings the milling method is usually employed, in which the ore is excavated in funnel-shaped pits, each of which connects with underground haulage roads by a shaft.
Before the bottom of these pits reaches the level of the haulage roads below, a new set of roads will have been driven at a lower level and connected with the excavations above by the shafts.
For hand tramming, animal and rope haulage, the rails weigh from 8 to 24 lb per yard, for locomotive haulage 30 to 40 lb.
In metal mines, where, as a rule, mechanical haulage is inapplicable, the cars are moved by men (trammers).
Animal haulage is employed chiefly in collieries and large metal mines; sometimes for main haulage lines, but oftener for distributing empty cars and making up trains for mechanical haulage.Advertisement
For heavy gradients rope haulage has no rival, though for moderate grades it is often advantageously replaced by electric and compressed air haulage.
In the tail-rope system of haulage, best adapted for single track roads, there are two ropes - a main and a " tail " rope - winding on a pair of drums operated by an engine.
Only a very small proportion of the decline in the price of wheat since 1880 is due to cheapened transport rates; for while the mileage rate has been falling, the length of haulage has been extending, until in 1900 the principal wheat fields of America were 2000 m.
High prices of materials and of haulage and freight rates added difficulty to the task of rebuilding, which was accomplished with remarkable energy and speed.
The working-floors are connected by winzes with the main haulage roads below.Advertisement
The room is driven in this way from one haulage road to another or to the boundary of the ore body.
In the meantime a new level and a system of haulage roads have been driven a hundred feet below, and winzes have been driven upward to connect with the old level which is to be abandoned.
Each floor is opened up by subsidiary haulage roads and worked out in small rooms which are timbered and filled with broken rock when completed.
This occasions much added expense in the maintenance and retimbering of the haulage roads on the upper floors.
Locomotive haulage is applicable to large mines, where trains of cars are hauled long distances on flat or undulating roads of moderate gradients.Advertisement
As already noted large pillars must always be left to protect shafts, adits and the more important mine-passages necessary for drainage, ventilation and the haulage of mineral.
In steeply inclined beds the working-place can be so arranged that the mineral will fall or slide from the place where it is broken down to the main haulage road.
The cost of underground haulage is lessened by the use of cars of large capacity.