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THURSDAY, MAY 2, 1974
LAI CHI KOK INCINERATOR READY TO BURN
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THE RUBBISH-DISPOSAL CAPACITY AT THE LAI CHI KOK INGINER.TU:
DOUBLED FRON 750 TONS TO 1,500 T..S PER DY WHEN HE EXTENSION TO THE PRESENT INCLERATION PLAIT COLES INTO OP. RATION IN ABOUT A MONTH.
CONSTRUCTION WORK AND INSTALLATION OF MACHINERY AND EQUIPMENT OF THE NEW COMPLEX ARE COMPLETED.
HOWEVER, THE TECHNICAL SUPERINTENDENT OF THE PLANT MR. ROBERT FOTHERGILL, SAID THAT THE REFRACTORY LINING WOULD HAVE TO BE DRIED OUT BEFORE FULL OPERATION COULD COMMENCE.
+THIS DRYING OUT PROCESS INVOLVES LIGHTING A WOOD FIRE IN EACH INCINERATOR, AND BY CONTROLLED HAND FEEDING OF THE FIRE, TO SLOWLY WARM THE ERICK WORK, THUS DRIVING OFF TRAPPED
MOISTURE WHICH WOULD OTHERWISE CAUSE POCKETS OF HIGH PRESSURE STEAM AND SO DAMAGE THE BRICKWORK.
+THE WHOLE DRYING OUT PROCESS TAKES NINE DAYS FOR EACH INCINERATOR UNIT, FROM STARTING COLD, UNTIL THE INCINERATOR REACHES ITS NORMAL WORKING TEMPERATURE.
+SINCE FOUR INCINERATING UNITS MUST BE TREATED IN THIS MANNER, THE WHOLE DRYING PROCESS WHICH IS DUE TO START IN A FEW DAYS IS EXPECTED TO LAST APPROXIMATELY THREE WEEKS,+ HE SAID.
THE EXTENSION, COSTING MORE THAN $40 MILLION, COMPRISES FOUR INCINERATING UNITS OF SIMILAR DESIGN AS THE EXISTING ONES.
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ONE IMPORTANT FEATURE OF THE NEW COMPLEX IS THE HEIGHT OF ITS CHIMNEY WHICH IS 300 FEET TALL -- 100 FEET HIGHER THAN THE MAXIMUM HEIGHT OF ANY BUILDING ALLOWED IN THE AREA UNDER THE HONG KONG AIRPORT CCONTROL OF OBSTRUCTIONS) ORDINANCE.
THE ORDINANCE WAS AMENDED ABOUT THREE YEARS AGO TO MAKE THIS CASE AN EXCEPTION AFTER THE CIVIL AVIATION DEPARTMENT CONSIDEREO THE BENEFITS ACCRUING TO THE COMMUNITY IN CENTRAL BY BETTER DISPERSAL OF INCINERATOR CHIMNEY FUMES.
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THE DEPARTMENT FELT THAT AN ISOLATED OBSTRUCTION ADEQUATELY LIT AND MARKED, COULD BE TOLERATED IN THE LAI CHI KOK AREA. RECOMMENDED THAT THE MAXIDUM HEIGHT OF THE JU 1. CINERATOR CHIMNEY IS 300 FEET, THUS LEAVING THE REQUIRED 300 FLAT ( GLFAR AIRSPACE BELOW THE FLIGHT PATH OF AIRCRAFT VELL WITHIN TH SAFETY MARGlit.
AT PRESENT, THE DAILY REFUSE COLLECTION AVERAGES 2,600 TONS IN THE JRBAN AREAS -- 800 TONS ON THE ISLAND AND 1,800 TONS IN KOWLOON. ABOUT 1,200 TONS OF THE TOTAL ARE TAKEN CARE OF BY THE TWO INCINERATORS IN KENNEDY TOUN AND LAI GHI KOK WHILE THE REMAINDER IS DISPOSED IN GIN DRINKER'S REFUSE DUMP AD OTHER CONTROLLED DUMPING AREAS.
NOTE TO EDITORS:
COPIES OF A PHOTOGRAPH OF THE INCINERATOR ARE BOXED FOR COLLECTION.
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