Every evening, Wilmington daily commercial. (Wilmington, Del.) 1878-1928, 1906-01-17

y NV ANcb "n'Nt tue roadway OF same !
In business or manufacturing build. /
ings, chimneys or smoke stacks built of I
IRON or steel must be thoroughly anchored /
or euyed but shall not be used In such /
manner as TO pass through the floors or
roofs of the same, unless such metallic |
smoke pipes or chimneys are enclosed In |
brick or tile walls, with a ventilated air
space between the enclosing walls and
the pipe from bottom to top inside of the
building Where such metallic chimney
or smoke pipe passes through the roof
only, it shall be separated from the wood
work OF such roof by at least twelve
inches Of incomhustble material No
woodwork shall be placed within a radius
Of two feet of any metallic cupola.
AS 10 heating the ordinance says; All
wood boxes or castings enclosing steam or
hot water heating pipes, and all wood
coverings TO recesses in wells. In which
steam or hot water pipes are placed shall
be lined with metal OF said pipes shall
be covered with incombustible sectional
pipe covering at least three-quarters Of
an inch thick. No concealed pipe shall
be covered whose non-conductivity de-
ponds upon cork, felt or any other or
anic matter. All coverings of heated
surface or surfaces requiring 10 be pro-
tected from heat, and all concealed or in.
accessible steam or hot water pipes, and
an cold ice water pipes or other pipes in
buildings having iron frames, shall be
made of standard fire resisting covering
either OF magnesium carbonate, calcium
carbonate, with binders of asbestos fibre
or asbestos fibre and sheet coverings.
All ducts for hot air, steam or hot
Il HH
with fire-proof material and the opening
through each floor shall be properly fire.
stopped.
Registers located over a brick furnace
shall be supported by a brick shaft built
mp from the cover Of the hot air cham
Der. The shaft shall be lined with
metal pipe, and all wood beams shall be
trimmed away not less than four inches
from it. Where a register is placed on
any woodwork in connection with a metal
pipe or duct, the end of the pipe on duct
shall be Hanged over on the woodwork
under it. All registers for hot air fur
naces placed in any woodwork or COM
hustihle floors shall have stone OF iron
/ borders.
There must be an open space Of two
inches on all sides of the register box
extending from under side of the border
20 and through the ceiling below. Tho
opening shall be fitted with a tight tin
or galvanized iron casing. the upper enl
of which shall be turned under the frame.
| When a register box is placed in the floor
over a portable furnace the open space on
all sides of the register box can not be
| less than three inches When only one
register is connected with a furnace said
register shall have no valve. Register
/ boxes, heads or collars in floors or walls
shall be made double and set flush with
floor or plaster line.
In cases where hot water, steam, hot
air or other heating appliances or fur
naces are hereafter placed in any build
ing, or iues or fireplaces are changed or
enlarged, due notice must first be given
10 the Department of Buildings by the
! person or persons placing the furnace or
| furnaces in the building or by the con
tractor or superintendent Of said work.
AN walls, ceilings and partitions en-
I closing drying rooms, when not made OF
fire-proof material must be wire lathed
and piastered, on covered with metal, tile
or other hard incombustible material
An rooms in cellars or Easements con-
tanning heating boilers, furnaces or stoves
of any kind, If not constructed Of fire.
proof material shall have all ceilings
lathed and plastered with two coats OF
brown mortar, When heating boilers are
used that portion of the ceiling over the
boiler and within a radius of four feet
therefrom shall be plastered on meta
lath or be protected by incombustibl'
shields.
The ordinance sets forth that assem-
bly, halls, with greater seating caaoity
than seven hundred and fifty, shall face
not less than three open spaces, as pre-
scribed for theatres.
Every building built or altered, to b.
used as an assembly hall, with seating
1 capacity of less than fifteen hundred per
, sons, may be non-freproof, when no
! conflicting with any other provisions o
/ the ordinance. IF, with a seating capae
ity OF more than fifteen hundred persons
then it shall be iireproof.
! No portion of the main floor Of an as
/ sembly hall, can be elevated to a create
, height above the adjacent sidewalk leve
y than the following: For a seating o
more than 200, 90 feet; more than 600
a 80 feet, more than 900, feet.
Every hall seating 500 persons and no
+ more than $50 persons, must have a
& least two separate ana instinct staN
/, wavs for ingress and egress, TO be place
1 as far apart as possible Every hall seat
! ing more than $50 people and not NOR
4 than 900, must have at least three sci
i arate and distinct stairways. All stan
i for ingress and egress leading to any a.
/, sembly hall OF halls, must be at least iiV
feet wide and provided with hand ra
~ on each side. The rise of the stairs sha
= be not more than 71a inches to each stel
!, and the tread not more than lO1a inche
All assembly halls must also be provide
with Ore escapes provided that IN han
., having a greater seating capacity ina
3 $50. the aggregate width Of such eme
9 oencv exits which shall be provided Il
4 each floor. balcony and gallery OF sue
" building. shall be one-half of that PR
vided for the main exits, and no enc
pency exit. door or stairway SHAH DC LEI
e than three feet in width.
q When the assembly hall or room OF an
b academy. school, college or other educ
tional institution. or any concert han
n any clubhouse, hotel or other building
n the first or second grade, or the ioai
room of a temple or place OF general q
r semblape of fraternal or other ofgahiA'
"a tions. either for the exclusive use
s. members or for the public at large, COZ
tains stage fitted with curtain ana