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KITCHEN AUTOMATIC FIRE SUPPRESSION SYSTEM MBJ HVAC CONSULT AND ENGINEERING SERVICES ITHAMAR JOSE B. JUSON, PME

KITCHEN AUTOMATIC FIRE SUPPRESSION SYSTEM PERPECTIVE

MBJ HVAC CONSULT AND ENGINEERING SERVICES

GENERAL NOTES AND CONDITIONS

FROM THE ARCHITECTURAL, MECHANICAL, AND OTHER SPECIFICATION SECTIONS SHALL APPLY TO THE WORK UNDER THIS SPECIFICATION SECTION.

SCOPE OF WORK - WORK SHALL BE PROVIDED BY THE FIRE PROTECTION CONTRACTOR AND/OR HOOD FABRICATOR UNDER THIS SPECIFICATION SECTION.

PROVIDE A COMPLETE AUTOMATIC FIRE SUPPRESSION SYSTEM AS SPECIFIED HEREWITHIN AND AS SHOWN ON THE DESIGN DRAWINGS. THE DESIGN DRAWINGS ARE FOR DESIGN PURPOSES ONLY AND MAY NOT SHOW ALL THE REQUIRED NOZZLE LOCATIONS AND FIRE PROTECTION REQUIREMENTS. THE FIRE PROTECTION CONTRACTOR IS RESPONSIBLE TO PROVIDE 100% PROTECTION AS REQUIRED BY CODES, STANDARDS, NATIONAL, STATE, AND LOCAL REQUIREMENTS.

INSTALL A UL STANDARD CHEMICAL SUPPRESSION SYSTEM(S) FOR PROTECTION OF THE EXHAUST DUCT(S), PLENUM(S), AND ALL GREASE-PRODUCING COOKING SURFACES (APPLIANCES) LOCATED UNDER CANOPY/NON-CANOPY HOOD(S).

THE FIRE PROTECTION CONTRACTOR AND/OR HOOD FABRICATOR’S DESIGNER SHALL VISIT THE SITE TO DETERMINE THE EXISTING CONDITIONS AND EXTENT OF ALL FIRE PROTECTION WORK. D. PROVIDE A MANUAL PULL STATION TO BE LOCATED IN A PATH OF EGRESS.

PROVIDE FUSIBLE LINKS IN EACH EXHAUST DUCT AND ABOVE EACH APPLIANCE OR GROUPS OF APPLIANCES PROTECTED BY A SINGLE NOZZLE.

PROVIDE THE APPROPRIATE SIZED (1”, 1¼”, 1½”, OR 2”) LOCKABLE BALL VALVE FOR CONNECTION TO THE DOMESTIC WATER SUPPLY.

PROVIDE [BLACK IRON] [CHROME-PLATED (CHROME SLEEVED)] [STAINLESS STEEL] PIPE DROPS TO THE DISCHARGE NOZZLES.

INSTALL THE CHEMICAL SUPPRESSION SYSTEM PER INSTALLATION REQUIREMENTS.

THE FIRE PROTECTION CONTRACTOR SHALL BE RESPONSIBLE FOR ALL FINAL CONNECTIONS AND OPERATION OF AUTOMATIC SHUT-OFF DEVICES SUCH AS THE GAS VALVE, AND SHUTOFF TO ALL ELECTRICAL APPLIANCES AND ELECTRICAL WALL OUTLETS THAT ARE LOCATED UNDER THE HOOD.

THE FIRE PROTECTION CONTRACTOR SHALL PROVIDE CONNECTION TO THE BUILDING FIRE ALARM SYSTEM, WHEN REQUIRED.

THE SYSTEM, INCLUDING ALL OF OF ITS COMPONENTS, SHALL BE UL STANDARD LISTED. . THE SYSTEM SHALL BE CAPABLE OF MANUAL AND AUTOMATIC ACTUATION. THE REMOTE MANUAL RELEASE SHALL BE LOCATED IN THE PATH OF EXIT AND SHALL BE CLEARLY LABELED. AUTOMATIC ACTUATION SHALL BE INITIATED BY SEPARATION OF FUSIBLE LINKS.

THE ANSUL AUTOMATIC RELEASE SHALL BE AN INTEGRAL PART OF THE SYSTEM AND SHALL INCLUDE A MEANS OF MANUAL RELEASE AND PROVISIONS FOR FUEL SHUTOFF.

THE INSTALLATION SHALL BE BASED ON ACTUAL FIELD CONDITIONS AND DIMENSIONS.

ALL PENETRATION INTO HOODS, DUCTS, AND RELATED EQUIPMENT SHALL BE SEALED WITH APPROVED DEVICES AND MATERIAL.

THE FIRE PROTECTION CONTRACTOR SHALL COORDINATE THE FIRE PROTECTION WORK WITH ALL OTHER TRADES.

COMPLETE SHOP DRAWINGS INCLUDING WIRING DIAGRAMS, PIPING LAYOUTS, AND OPERATING INSTRUCTIONS SHALL BE PROVIDED.

CUTTING, PATCHING, AND PAINTING SHALL BE PROVIDED.

ACCESS PANELS IN THE FLOORS, CEILINGS, AND WALLS SHALL BE PROVIDED WHERE NECESSARY.

FIRE PROTECTION MATERIALS AND EQUIPMENT

GENERAL REQUIREMENTS

THE NAMING OF MANUFACTURERS IN THE SPECIFICATIONS SHALL NOT BE CONSTRUED AS ELIMINATING THE MATERIALS, PRODUCTS OR SERVICES OF OTHER QUALIFIED MANUFACTURERS AND SUPPLIERS HAVING APPROVED EQUIVALENT ITEMS.

THE SUBSTITUTIONS OF MATERIALS OR PRODUCTS OTHER THAN THOSE NAMED IN THE SPECIFICATIONS SHALL BE SUBJECT TO PROPER APPROVAL(S) OF THE OWNER, FOODSERVICE CONSULTANT, ARCHITECT OR THE FIRE PROTECTION CONSULTANT GRANTED IN WRITING.

"APPROVED" SHALL REFER TO APPROVAL BY THE OWNER, FOODSERVICE CONSULTANT, ARCHITECT, FIRE PROTECTION CONSULTANT AND/OR THE AUTHORITY HAVING JURISDICTION.

"LISTED" SHALL REFER TO MATERIALS OR EQUIPMENT INCLUDED IN A LIST PUBLISHED BY A NATIONALLY RECOGNIZED TESTING LABORATORY (UL OR ULC) THAT MAINTAINS PERIODIC INSPECTION OF PRODUCTION OF LISTED EQUIPMENT OR MATERIALS, AND WHOSE LISTING STATES EITHER THAT THE EQUIPMENT OR MATERIAL MEETS NATIONALLY RECOGNIZED STANDARDS OR HAS BEEN TESTED AND FOUND SUITABLE FOR USE IN A SPECIFIED MANNER.

NOZZLES AND FUSIBLE LINKS - DISCHARGE NOZZLES FOR THE PROPOSED INSTALLATION SHALL BE LISTED FOR USE WITH THE SYSTEM.

INSTALL FUSIBLE LINKS OF THE PROPER DEGREE TEMPERATURE RATING WHEREVER NECESSARY TO MEET THE REQUIREMENTS OF NFPA 17A AND THE MANUFACTURER’S INSTALLATION MANUAL.

SUPPLY PIPING - ALL OVERHEAD PIPING AND FITTINGS SHALL BE APPROVED AND IN ACCORDANCE WITH THE MANUFACTURER’S UL/ULC LISTED DESIGN, INSTALLATION, AND MAINTENANCE MANUAL.

HANGERS - ALL HANGERS AND COMPONENTS SHALL BE APPROVED AND IN ACCORDANCE WITH THE MANUFACTURER’S UL LISTED DESIGN, INSTALLATION, AND MAINTENANCE MANUAL.

PROVIDE ALL HANGERS AND PIPE HOLD DOWN DEVICES SO THAT PIPING AND/OR DISCHARGE NOZZLE(S), CONDUIT, OR COMPONENTS CONNECTED TO CONDUIT RUNS CANNOT BE MOVED OUT OF THEIR PROPER INSTALLED ALIGNMENT.

SHUT-OFF DEVICES - ALL SHUT-OFF VALVES AND DEVICES, ETC. SHALL BE APPROVED IN ACCORDANCE WITH THE MANUFACTURER’S UL/ULC LISTED DESIGN, INSTALLATION, AND MAINTENANCE MANUAL.

FIRE PROTECTION SYSTEM SIGNS - PROVIDE STANDARD METAL SIGNS IN ACCORDANCE WITH BOCA, ICBO, AND SBCCI CODE; AND LOCAL REQUIREMENTS.

PROVIDE A DISCHARGE WARNING SIGN AT EACH HOOD. THE SIGN SHALL READ: CAUTION THIS AREA IS PROTECTED BY A WET CHEMICAL EXTINGUISHING SYSTEM. IN CASE OF FIRE, PULL REMOTE PULL STATION FOR THE CHEMICAL SUPPRESSION SYSTEM, AND CALL THE LOCAL FIRE DEPARTMENT. LEAVE AREA IMMEDIATELY AFTER.

INSTALLATION AND TESTING

OVERHEAD SYSTEM PIPING - INSTALL PIPING IN EXPOSED AREAS AS HIGH AS POSSIBLE USING NECESSARY FITTINGS TO MAINTAIN MAXIMUM ROOM CLEARANCE.

TESTING A. *PROVIDE A COMPLETE SYSTEM DISCHARGE TEST WITH WET CHEMICAL. B. *PROVIDE A COMPLETE DISCHARGE TEST WITH WATER. C. *PROVIDE A PUFF TEST WITH NITROGEN OR CARBON DIOXIDE. D. PROVIDE A MANUAL PULL STATION TEST. E. PROVIDE A FUSIBLE LINK TEST. F. PROVIDE A WATER FLOW PRESSURE TEST USING THE ANSUL WATER PRESSURE-TESTING ASSEMBLY. (*NOTE: SELECT APPROPRIATE METHOD BASED ON LOCAL AHJ REQUIREMENTS.)

CEILING AND WALL PLATES - INSTALL CHROME FINISHED CEILING AND WALL PLATES WHEREVER EXPOSED PIPING PASSES THROUGH CEILINGS AND WALLS.

SLEEVES - SET SLEEVES IN PLACE FOR ALL PIPES PASSING THROUGH FLOOR AND WALL OPENINGS. SPACE BETWEEN SLEEVE AND PIPE SHALL BE FILLED WITH NONCOMBUSTIBLE PACKING. PROVIDESTANDARD FINISH WALL PLATES ON EACH SIDE OF THE WALL. SLEEVES THROUGH FLOORS SHALL BE WATERTIGHT.

ALL OPENINGS SHALL BE SEALED WITH MATERIAL LISTED FOR SUCH USE. SEAL OPENING PER CODE AND STANDARD REQUIREMENTS.

SEALS - USE “QUICK-SEAL” ADAPTERS, COMPRESSION SEAL ADAPTORS, AND/OR HOOD SEAL ADAPTORS TO SEAL AROUND BOTH DISTRIBUTION PIPING AND DETECTION CONDUIT AT THE HOODS AND DUCTS.

MBJ HVAC CONSULT AND ENGINEERING SERVICES

KITCHEN LPG GAS LINE PIPING LAYOUT

MBJ HVAC CONSULT AND ENGINEERING SERVICES

LPG SPECIFICATIONS AND MISCELLANEOUS DETAILS

MBJ HVAC CONSULT AND ENGINEERING SERVICES

LPG GAS SYSTEM SCHEMATIC DIAGRAM (TYPICAL DETAILS)

MBJ HVAC CONSULT AND ENGINEERING SERVICES

GENERAL NOTES: LPG PIPING SYSTEM THIS SECTION COVERS LPG INSTALLATION USING TRANSPORTABLE, REFILLABLE CYLINDERS, EACH NOT EXCEEDING 130 LITRE WATER CAPACITY BUT EXCLUDES THE COVERAGE OF DISPOSABLE CARTRIDGES.

THE LPG INSTALLATION MAY NOT ASK FOR THE SUPPLY OF LPG CYLINDERS. HOWEVER, THE LPG SUPPLIED BY THE CONTRACTOR SHALL BE CONTAINED IN CYLINDERS WHICH MUST HAVE COMPLIED WITH THE RELEVANT BRITISH STANDARD SPECIFICATIONS OR OTHER RECOGNIZED PRESSURE VESSEL CODES AND APPROVED BY THE APPROPRIATE AUTHORITY OF GOVERNMENT

REFILLING THE TRANSPORTABLE CYLINDERS SHALL NOT BE CARRIED OUT LOCALLY AT THE LPG INSTALLATION.

LIQUID-DRAW SYSTEM - INSTALLATION USING LIQUID-DRAW LPG CYLINDERS SHALL BE INCORPORATED WITH A VAPORISER FOR THE PRODUCTION OF VAPOUR LPG, WHICH SHALL SUBSEQUENTLY BE CONVEYED TO THE APPLIANCE THROUGH PRESSURE REGULATOR(S).

HYDROSTATIC PRESSURE RELIEF VALVE SHALL BE INSTALLED ON EACH LIQUID PIPING THAT CAN BE ISOLATED BY VALVES. 7.2.3 ALL LIQUID-DRAW CYLINDER SHALL BE CONSPICUOUSLY MARKED FOR CLEAR DISTINCTION FROM VAPOUR-DRAW CYLINDERS.

VAPOUR-DRAW SYSTEM - INSTALLATION HAVING VAPOUR-DRAW LPG CYLINDER MAY DIRECT FEED THE INSTALLATION THROUGH PRESSURE REGULATOR(S).

MULTI-CYLINDERS SYSTEM - MULTI-CYLINDERS IN CYLINDER BANKS SHALL BE MANIFOLD TOGETHER BY A PERMANENT HEADER, WHICH SHALL BE LINKED TOGETHER THROUGH CHANGEOVER DEVICE TO ENABLE THAT ONLY ONE BANK CYLINDER WILL SUPPLY LPG TO APPLIANCES AT ANY ONE TIME.

MANUAL AND AUTOMATIC CHANGEOVER DEVICE SHALL BE EQUIPPED WITH INDICATION FOR THE PARTICULAR BANK OF CYLINDERS BEING IN OPERATION, AND MAY BE COMPLETE WITH PRESSURE REGULATION DEVICE SHOULD IT BE USED IN A VAPOUR-DRAW SYSTEM.

THE OPERATION OF THE CHANGEOVER DEVICE SHALL AVOID GAS ON-GAS OFF-GAS ON SITUATION.

CONNECTION OF THE CYLINDERS TO A MANIFOLD SHALL BE MADE BY FLEXIBLE HOSE AS SPECIFIED AND OF SUFFICIENT LENGTH FOR EASY MANEUVERING OF THE CYLINDERS. A FLEXIBLE HOSE CONNECTING TO A MANIFOLD SHALL NOT BE LEFT UNCONNECTED AFTER COMMISSIONING.

SAFETY DEVICES - PROVISION SHALL BE INCORPORATED INTO A MANIFOLD SYSTEM TO ENSURE THAT FAILURE OF A FLEXIBLE HOSE CONNECTING A CYLINDER TO THE MANIFOLD WILL NOT CAUSE THE COMPLETE LOSS OF CONTENT FROM OTHER CYLINDERS.

WHEN MORE THAN ONE CYLINDER SUPPLYING LPG TO A PIPED GAS SYSTEM BY MEANS OF FLEXIBLE HOSE TO A MANIFOLD SYSTEM, APPROPRIATE SAFETY DEVICES SHALL BE INCORPORATED IN ACCORDANCE WITH GAS SAFETY (GAS SUPPLY) REGULATION

THE DEVICE CONSISTING OF A STOP VALVE WITH CHECK FUNCTION SHALL BE INSTALLED BETWEEN THE FLEXIBLE HOSE AND THE MANIFOLD SYSTEM FOR ALL CYLINDERS. IN THE CASE OF LIQUID WITHDRAWAL CYLINDERS, ONE PARTICULAR CYLINDER OF EACH BANK SHALL BE INSTALLED WITH A STOP VALVE WITH EXCESS FLOW DEVICE TO ALLOW LIQUID LPG TO FLOW BACK FROM THE VAPORISER.

BY-PASS PIPEWORK IN ADDITION TO CHANGEOVER DEVICE MAY BE PROVIDED TO ENSURE CONTINUITY OF SUPPLY DURING MAINTENANCE. BY-PASS VALVES SHALL BE KEPT CLOSED THROUGHOUT THE NORMAL OPERATION.

PIPING AND FITTINGS MATERIAL

ALL MATERIALS SHALL BE COMPATIBLE FOR USE WITH LPG UNDER THE SERVICE CONDITIONS TO WHICH THEY ARE SUBJECTED. PIPES UP TO AND INCLUDING 13 MM NOMINAL BORE SHALL BE STEEL OR COPPER. PIPES OVER 13 MM NOMINAL BORE SHALL BE OF STEEL CONSTRUCTION. MATERIALS SUCH AS CAST IRON, ALUMINIUM OR ITS ALLOYS, RUBBER AND PLASTIC OTHER THAN THOSE SPECIALLY DESIGNED FOR LPG SHALL NOT BE USED.

STEEL PIPES - ALL LIQUID PIPELINES SHALL BE SCHEDULE 80 SEAMLESS STEEL PIPES CONFORMING TO BS 3601 OR API 5L, AND OF A DESIGN WORKING PRESSURE OF 2.75 MPA.

ALL VAPOR PIPELINES AT HIGH PRESSURE STAGE SHALL BE SCHEDULE 80 SEAMLESS STEEL PIPE CONFORMING TO BS 3601 OR API 5L OR ASTM A53.

ALL VAPOR PIPELINES AT MEDIUM PRESSURE STAGE AND BELOW SHALL BE OF STEEL CONSTRUCTION AND CONFORM TO BS 1387 OR ISO 65 HEAVY GRADE.

COPPER PIPES - COPPER PIPES SHALL BE SOLID DRAWN, OF APPROPRIATE GAUGE TO SUIT THE WORKING PRESSURE OF THE SYSTEM AND SHALL CONFORM TO BS EN 1057 (EN 1057), SUITABLE FOR CONNECTION BY CAPILLARY OR COMPRESSION FITTINGS TO BS 864: PART 2.

FLEXIBLE RUBBER HOSE AND TUBING - THE FLEXIBLE HOSES SHALL CONFORM TO BS 3212 (TYPE 2) OR EQUIVALENT. IT SHALL BE DESIGNED TO WITHSTAND A MINIMUM BURSTING PRESSURE OF FOUR TIMES THE MAXIMUM OPERATING PRESSURE OR 5200 KPA WHICHEVER IS HIGHER. CORROSION RESISTANT BRAIDING SHALL BE USED. EACH FLEXIBLE HOSE SHALL BE MARKED WITH “LPG” AND BE TAGGED WITH A LABEL INDICATING THE DATE OF NEXT REPLACEMENT.

EMERGENCY VALVES SHALL BE INSTALLED IN ALL LIQUID PIPELINES AND IN VAPOUR PIPELINES AT HIGH PRESSURE STAGE TO WHICH THE FLEXIBLE RUBBER HOSE ARE CONNECTED, TO PREVENT DISCHARGE OF LPG GAS IN THE EVENT OF HOSE FAILURE. A MANUAL SHUT-OFF VALVE SHALL BE USED FOR VAPOUR LINES DESIGNED TO OPERATE AT MEDIUM PRESSURE STAGE OR BELOW.

THE FLEXIBLE RUBBER TUBING SHALL CONFORM TO BS 3212 (TYPE 1) FOR INSTALLATIONS UP TO 5 KPA. THE TUBING SHALL BE OF MINIMUM PRACTICABLE LENGTH AND SHALL NOT EXCEED 2 METRE. THE FLEXIBLE TUBING SHALL NOT EXTEND FROM ONE ROOM TO ANOTHER NOR PASS THROUGH WALL OR CEILING ETC. AND SHALL BE EASILY ACCESSIBLE FOR INSPECTION.

THE END FITTING OF THE FLEXIBLE RUBBER HOSE OR RUBBER TUBING SHALL COMPLY WITH BS 5315 OR THE EQUIVALENT OF APPLICABLE CODES. THE CLIPS, CLAMPS OR SPIGOTS USED TO SECURE FLEXIBLE RUBBER HOSE OR RUBBER TUBING ON THE FITTINGS SHALL BE FREE FROM BURRS AND ROUGH EDGES AND SHALL NOT BE OVER-TIGHTENED.

PIPE JOINTS - JOINTS IN STEEL PIPES OF 50 MM NOMINAL BORE AND SMALLER SHALL BE WELDED, FLANGED OR SCREWED. STEEL PIPE JOINTS OVER 50 MM NOMINAL BORE SHALL BE WELDED OR WELDED FLANGED.

JOINTS IN COPPER PIPES SHALL BE OF COMPRESSION TYPE OR SWEATED TYPE SILVER SOLDERED OR BRAZED USING A JOINTING MATERIAL WITH A MELTING POINT EXCEEDING 540 °C

JOINTING OF STEEL PIPES BY GAS WELDING SHALL BE IN ACCORDANCE WITH BS 2640 AND WELDING BY ELECTRIC ARC SHALL BE IN ACCORDANCE WITH BS 2971. ELECTRIC ARC WELDING SHALL ONLY BE USED ON PIPES OF 125 MM NOMINAL BORE OR LARGER.

JOINTING COMPOUNDS FOR SCREWED CONNECTIONS SHALL BE RESISTANT TO LPG AND SHALL COMPLY WITH BS 6956. THE USE OF PTEE TAPE IS PREFERABLE BUT LEAD OR HEMP SHALL NOT BE USED. 9.6 PIPE FITTINGS 9.6.1 STEEL FLANGES AND FLANGED FITTINGS SHALL BE TO ANSI B 16.5 OR BS 1560: PART 3 ON LIQUID LINES OR VAPOUR LINES AT HIGH PRESSURE STAGE. FLANGES ON VAPOUR LINES OPERATING AT MEDIUM PRESSURE STAGE OR BELOW SHALL CONFORM TO BS 4504: PART 3. BOLTING SHALL COMPLY WITH BS 4882 OR THE EQUIVALENT OF APPLICABLE CODES. 9.6.2 STEEL BUTT-WELDED FITTINGS SHALL BE TO BS 1965: PART 1 OR AT LEAST THE SAME SCHEDULE THICKNESS AS THE PIPES FOR USE AT HIGH PRESSURE STAGE. 9.6.3 STEEL SOCKET-WELDED AID SCREWED FITTINGS AND SCREWED COUPLING SHALL BE TO BS 3799 OR EQUIVALENT STANDARD FOR USE AT HIGH PRESSURE STAGE. SCREWED FITTINGS FOR USE WITH STEEL PIPES TO BS 1387 OR ISO 65 ON VAPOUR LINES OPERATING AT MEDIUM PRESSURE OR BELOW SHALL CONFORM TO BS 143 OR BS 1740: PART 1 OR THE EQUIVALENT OF APPLICABLE CODES.

GASKETS SHALL BE RESISTANT TO LPG AND NATURAL RUBBER SHALL NOT BE USED.

SAFETY DEVICES - THE GAS APPLIANCE SHALL INCORPORATE A RELIABLE SAFETY SHUT-OFF VALVE TO THE GAS SUPPLY.

SUITABLE FLAME FAILURE DEVICE SHALL BE PROVIDED TO SHUT OFF THE GAS SUPPLY BY ACTUATING A RELAY OR SOLENOID VALVE IF NO FLAME IS DETECTED.

WHERE A THERMOSTAT IS SPECIFIED TO CONTROL THE TEMPERATURE ATTAINED IN A COMPARTMENT OF THE GAS APPLIANCE, A BACK-UP OVERHEAT PROTECTIVE DEVICE SHALL ALSO BE PROVIDED TO SHUT-OFF THE GAS SUPPLY IN THE EVENT OF FAILURE OF THE THERMOSTAT.

A GAS WATER HEATING APPLIANCE SHALL BE PROVIDED WITH THE LOW WATER PRESSURE AUTOMATIC GAS SHUT-OFF DEVICE.

IF A GAS APPLIANCE IS CONSTRUCTED WITH A BUILT-IN POWER OPERATED FLUE EXTRACT SYSTEM, IT SHALL BE PREVENTED FROM OPERATION IF THE DRAUGHT FAILS TO OPERATE.

WHEREVER APPLICABLE FOR A GAS HEATING APPLIANCE, SAFETY GUARDS SHALL BE PROVIDED TO PREVENT ACCIDENTAL CONTACT OF CLOTHING OR INFLAMMABLE MATERIALS WITH THE HEAT SURFACES.

FLAME FAILURE DEVICES AND ASSOCIATED SAFETY SHUT-OFF VALVES - THE FLAME FAILURE DEVICE SHALL BE MANUFACTURED TO AN INTERNATIONAL ACCEPTABLE STANDARD SUCH AS JIS2103.

WHEREVER A FLAME FAILURE DEVICE IS REQUIRED, THE TYPE OF DEVICE AND ITS COUPLING SAFETY SHUT-OFF VALVES SHALL BE INCORPORATED IN THE FOLLOWING MANNER:

A) BELOW 45 KW, THERMO-ELECTRIC TYPE FLAME FAILURE DEVICE MAY BE USED. B) 45 KW TO 600 KW, ELECTRONIC TYPE FLAME FAILURE DEVICE COUPLED WITH ONE SAFETY SHUT-OFF VALVE SHALL BE PROVIDED. C) 600 KW TO 3 MW, ELECTRONIC TYPE FLAME FAILURE DEVICE COUPLED WITH TWO SAFETY SHUT-OFF VALVES IN LINE SHALL BE PROVIDED. D) ABOVE 3 MW, ELECTRONIC TYPE FLAME FAILURE DEVICE COUPLED WITH TWO SAFETY SHUT-OFF VALVES IN LINE TOGETHER WITH A VENT IN BETWEEN THE VALVES SHALL BE INCORPORATED.

HAZARD PRECAUTION AND FIRE PREVENTION

ELECTRICAL & ELECTROSTATIC HAZARD PRECAUTIONS AREA CLASSIFICATION

AREA CLASSIFICATION SHALL BE IN ACCORDANCE WITH CODE OF PRACTICE FOR PHILIPPINE LPG INDUSTRY MODULE SECTION OF CODE OF PRACTICE

ALL ELECTRICAL EQUIPMENT, APPARATUS AND LUMINARIES TO BEUSED IN THE DESIGNED HAZARDOUS AREA SHALL COMPLY WITH THE RECOMMENDATIONS OF RELEVANT PHILIPPINE STANDARD SPECIFICATIONS AND SHALL BE OF A TYPE SUITABLE FOR THE INTENDED USE IN THE APPROPRIATE ZONES. THE CONTRACTOR SHALL BE RESPONSIBLE FOR PROVIDING THE CERTIFICATES FROM THE APPROPRIATE AUTHORITY FOR APPROVAL BEFORE INSTALLATION. ALL ELECTRICAL EQUIPMENT SHALL INDICATE CLEARLY THE TYPE OF SERVICE FOR WHICH THE EQUIPMENT IS DESIGNED, I.E. INTRINSICALLY SAFE OR FLAMEPROOF. ELECTRICAL WIRING FOR FLAMEPROOF INSTALLATIONS AND EARTHING OF THE POWER SUPPLY SYSTEM SHALL BE IN ACCORDANCE WITH THE GENERAL SPECIFICATION FOR ELECTRICAL INSTALLATION IN GOVERNMENT BUILDING (PHILIPPINE ELECTRICAL CODE)

WITH THE EXCEPTION OF THE INSULATION WHICH IS REQUIRED TO BREAK THE CONTINUITY OF PIPING TO MEET THE CATHODIC PROTECTION REQUIREMENT, THE CONTRACTOR SHALL ENSURE THAT ALL OTHER LPG PIPING AND EQUIPMENT SHALL BE ELECTRICAL CONTINUOUS AND EARTHED. CONTINUITY TESTS SHALL BE CARRIED OUT BY THE CONTRACTOR TO THE SATISFACTION OF THE ARCHITECT.

LPG PIPING SHALL NOT BE USED AS ELECTRICAL CIRCUIT PROTECTIVE CONDUCTOR OR EARTH ELECTRODE FOR OTHER SYSTEMS ALTHOUGH THEIR BONDING TO THE CIRCUIT PROTECTIVE CONDUCTOR MAY BE NECESSARY.

WHENEVER IT IS NOT CONTRADICT TO THE CATHODIC PROTECTION REQUIREMENT, ALL BULK STORAGE VESSELS SHALL BE ELECTRICALLY EARTHED TO PROTECT AGAINST THE ACCUMULATION OF STATIC ELECTRICITY.

AN EARTHING TERMINAL SHALL BE PROVIDED NEAR THE LPG FILLING POINT FOR THE CONNECTION OF THE BULK TANKER VEHICLES.

THE EARTHING RESISTANCE OF THE LPG SYSTEM SHALL NOT EXCEED 1 MEGA OHM.

FIRE PREVENTION AND CONTROL - FIRE PREVENTION AND CONTROL SHALL BE IN ACCORDANCE WITH LPGA CODE OF PRACTICE IN COMPLIANCE TO THE GOVENRMENT REGULATION.

PROVISION OF FIRE FIGHTING EQUIPMENT/SYSTEM E.G. FIRE EXTINGUISHERS, WATER DRENCHER, ETC., SHALL BE AS ADVISED BY THE DIRECTOR OF FIRE SERVICES. THE INSTALLATION OF THESE EQUIPMENT/SYSTEM SHALL BE IN ACCORDANCE WITH THE GENERAL SPECIFICATION FOR FIRE BUILDING CODE OF THE PHILIPPINES.

MBJ HVAC CONSULT AND ENGINEERING SERVICES