392
DOCK ENGINEERING.
Slieds at Glasgow.*
“ Except where open quays are necessary, all the quays are lined with
excellent modem sheds. These sheds are generally single-storeyed and 60
teet in width, but at the Prince’s Dock two-storeyed sheds have been
provided, one 1,664 feet long by 70 feet wide, and four of an aggregate
ength of 5,312 by 75 feet wide. The sheds are placed usually 15 or 20 feet
back from the face of the quay. The total floor area provided by the single-
storeyed sheds amounts to 111,432 square yards, and by the two-storeyed
sheds, to 113,292 square yards, or about 46t acres in all»
Warehouses at Manchester.!
Two blocks of seven-storey warehouses, situated on the north side of No.
ock, cover an area of about 6,000 square yards. Their concrete founda-
tions rest on hard gravel at depths varying from 12 to 19 feet below quay
level. Each warehouse measures about 60 feet by 54 feet, and is divided
rom its neighbour by a strong party wall. The walls are 3 feet thick at
the ground level and 1 foot 101 inches at the summit. They are carried
Fig. 374.—Shed at Manchester.
6 feet above the roof line. The columns are cast iron throughout, and range
fi’om 12 inches diameter and l’-inch metal, with bases 3 feet square at the
basement level, to 7 inches diameter and 1-inch metal at the top floor,
carrying the roof 65 feet above ground level. All floors are framed with
14 by 12 inches pitchpine beams, spruce pine joists, and double boarding.
The doors and door frames throughout are of iron.
A section of a recently-constructed transit-shed with live floors is shown
in fig. 374. The columns and girders are of iron and the floors of concrete.
* Alston on “ The River Clyde and Harbour of Glasgow,” Int. Eng. Conf., 1901.
+ Engineer, July 30, 1897.