CO129-250 - Acting Governor Barker - 1891 [6-8] — Page 360

CO129 Colonial Office Hong Kong Records 理藩院香港檔案 All

356

D

colunion at 12 feet interval's

carrying the main girders. These

girders carry

ام کر کے

croza

girders spaced

with concrete

5 feet apart between which are

plates with

corrugated

iren

over.

This

floor

A.

to bear a

Warchouse floors are calculated

weight of from 2/2 to 4 cuts exclusive of the weight of the floor itself. I have allowed for

a live load.

of 2/2 at, plus 1 aot per square foot

for weight of floor, making of 3/2 cut per square foot.

a total

After full consideration I do

not thuck it advisable materially to reduce to strength of the floor.

how a the Consulting Engineer to the

Eravu Agents

correup in rei

so advise I would

reducing

the

gross (live

and dead load to 3 aut per square

Ax

to carry

t

is calculated

weight of 31⁄2 cross a

square foot (including its own weight of about 1 avt) and is estimated to cost £5,700 (this

estimate being for ironwork alone).

The

The construcheri used is

one which is being largely

inn England

abandmed

and on account of its

weight, and consequence expense

in favour of

a

more scientific

epstem of corrugated flooring

with cross

girders of

which Messrs Lindsays is perhaps

dispersing

the best.

A floor on

this

system

a

would require about

1/2+

the

amaint

foot. But the saving thereby effected

would I think be so

Krifling

20

hardly to justify the adoption of

weaker

of

44

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