Fire Code of the Philippines Ebook - SafetySignsPH.com Fire Code of the Philippines eBook - SafetySignsPH | Page 383

D. Lighting shall be by approved electric lamps or fixtures.
E. Ethylene generators shall be listed and labeled including documentation
that ethylene concentration gas does not exceed twenty-five percent
(25%) of the Lower Explosive Limit (LEL).
SECTION 10.4.8.3
OPERATION
A. Gas piping shall be of iron pipe. Flexible connectors and hose, when
used, shall be of approved type. Tubing shall be of brass or copper with
not less one-eight centimeters (0.125 cm) wall thickness.
B. Ethylene gas shall be discharged only into approved rooms or enclosures.
Valves controlling discharge shall be provided by positive and fail-closed
control of flow.
C. Ripening room shall be open for at least twenty minutes (20 min) every
twelve hours (12 hr) of operation.
D. Heating of ripening rooms shall be by indirect means utilizing low pressure
steam, hot water, or warm air. Approved electric heaters or approved
gas or kerosene heaters shall have sealed combustion chambers.
E. Steam, hot water pipes and radiators, shall have a clearance of at least
two and a half centimeters (2.5 cm) to combustible material.
F. Gas heaters and their vents shall be installed in accordance with
internationally recognized practice. Gas heaters shall be equipped with
an automatic pilot device to shut off the gas supply whenever the flame
is extinguished.
G. Burners for gas or kerosene heaters shall be installed in such a manner that
the air for combustion is taken from outside the ripening room and the
products of combustion are discharged to the outside.
H. Kerosene heaters shall be installed in accordance with the applicable
provisions of Rule 10, Chapter 4, Division 14, “Oil Burning Equipment”, of
this IRR.
I.
Electric heaters shall be of a type having no exposed surface at a
temperature higher than four hundred twenty six degrees Celsius (426 o C)
and with thermostatic elements that produce no sparks and shall be of a
type approved for use in hazardous locations.
J. Protective guards shall be provided around heaters to prevent the
possibility of their being knocked over.
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