Fire Code of the Philippines Ebook - SafetySignsPH.com Fire Code of the Philippines eBook - SafetySignsPH | Page 392

B. Wood Processing and Woodworking Facilities
1. Dust collecting system shall be designed in accordance with the
Philippine Mechanical Code and the latest edition of NFPA 664.
2. Thermal oil heating system shall be in accordance with the Philippine
Mechanical Code and the latest edition of NFPA 664.
3. Wood pulverizing operations shall be in accordance with the
Philippine Mechanical Code and the latest edition of NFPA 664.
4. Composite board plants shall be in accordance with the Philippine
Mechanical Code and the latest edition of NFPA 664.
SECTION 10.4.11.3
PROTECTION AND MAINTENANCE
A. Open Yard Storage
An approved yard hydrant system or water barrels and pails shall be
provided for in open storage yards. Yard hydrant systems shall be installed
in accordance with internationally accepted standards. Water barrels
with three pails each shall be located at driveways so that a travel
distance of at least ten meters (10 m) but not more than twenty-three
meters (23 m) along driveways is needed from any part of the open yard
to reach a barrel. Portable fire extinguishers shall be provided in
accordance with Section 10.2.6.7 of this IRR.
B. Wood Processing and Woodworking Facilities
1. Deflagration venting
1. If a dust explosion hazard exists in equipment, rooms, buildings, or
other enclosures, such areas shall be provided with deflagration
venting.
An approved fire suppression system installed in
accordance with Section 10.2.6.5 of this IRR.
2. Where room or building dust accumulations exceed three
millimeters (3 mm) or where visible dust clouds exist, it shall be
considered an explosion hazard. In such rooms or buildings, an
explosion hazard shall be provided with damage-limiting
construction, including deflagration venting to a safe outside
location
2. Housekeeping
a. Removal of static dust shall be made for systematic, thorough
cleaning of the entire plant at sufficient intervals to prevent the
accumulations of finely divided wood dust that might be dislodged
and lead to an explosion.
376