University of Virginia Library

Sec. 494(39). Furnaces and appliances.

(a) Any woodwork, wooden lath and plaster partition or ceiling
within four (4) feet of the sides or back, or six (6) feet
from the front of any heating boiler, furnace, bakery oven, coffee
roaster, fire heated candy kettle, laundry, stove or other similar
appliance shall be covered with metal to a height of at least four
(4) feet above the floor. This covering shall extend the full
length of the boiler, furnace, or heating appliance, and to at least
five (5) feet in front of it. Metal shields shall be loosely attached,


301

Page 301
thus preserving an air space behind them. In no case
shall such combustible construction be permitted within two (2)
feet of the sides or back of the heating appliance, or five (5) feet
in front of same.

(b) No furnace, boiler, range or other heating appliance, shall
be placed against a wall furred with wood.

(c) Heating boilers shall be encased on sides and top by an incombustible
protective covering not less than 1½ inches thick.
Except that this shall not be necessary when approved by the
building inspector.

(d) In the installation of oil burning equipment requiring the
placing of storage tanks above the burner, the feed lines from
such storage tanks to burner shall be protected by an approved
anti-syphon valve.