XN000022-1987-05-20 — Page 8

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MR CHAMBERS SAID THAT THE PRIME CONCERN WAS CARBON MONOXIDE WHICH WAS AN IMPORTANT AIR POLLUTANT FROM MOTOR VEHICLE EMISSIONS STANDARDS WERE LAID DOWN IN THE CROSS-HARBOUR TUNNEL REGULATIONS TO CONTINUOUSLY MONITORING THE GAS.

IN ADDITION, AIR TURBIDITY WAS MEASURED IN THE LION ROCK TUNNEL AND ABERDEEN TUNNEL AND PETROLEUM VAPOUR WAS MEASURED IN THE CROSS HABOUR TUNNEL.

HE ALSO SAID THAT WHEN THE MONITORING RESULTS REACHED PREDETERMINED LEVELS, AN ALARM SYSTEM WAS TRIGGERED.

AT THE FIRST STAGE OF ALARM, THE TUNNEL CONTROLLER WAS ALERTED TO SWITCH ON ADDITIONAL EXHAUST AND AIR SUPPLY FANS TO IMPROVE TUNNEL VENTILATION.

AT THE SECOND STAGE OF ALARM, THE FAN CAPACITY FOR VENTILATION WAS FURTHER INCREASED.

WHEN THE FINAL STAGE OF ALARM WAS REACHED. MEASURES WOULD BE IMPLEMENTED TO CONTROL THE NUMBER OF VEHICLES ENTERING THE TUNNEL AND IF NECESSARY TO CLOSE THE TUNNEL.

MECHANISM OF CALCULATING NT LAND RESUMPTION COMPENSATION EXPLAINED

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THE SECRETARY FOR LANDS AND WORKS, THE HON GRAHAM BARNES, TOLD THE LEGISLATIVE COUNCIL TODAY (WEDNESDAY) THAT HE COULD CONFIRM THAT THE PRESENT AVERAGE MARKET VALUE OF NEW TERRITORIES AGRICULTURAL LAND HAD REACHED THE LEVEL PREVAILING IN 1981.

REPLYING TO A QUESTION FROM THE HON TAI CHIN-WAH, MR BARNES SAID, HOWEVER, THE MARKET VALUE OF AGRICULTURAL LAND HAD LITTLE RELATIONSHIP WITH THE CALCULATION OF THE BASIC EX-GRATIA COMPENSATION RATE FOR RESUMPTION OF AGRICULTURAL LAND IN THE NEW TERRITORIES.

IT WAS RELATED, AS THE SIR Y.K. KAN WORKING GROUP REPORT ON 1978 PUT IT, TO EXPECTATIONS UNDER THE LETTER B LAND EXCHANGE SYSTEM+. MR BARNES SAID THESE EXPECTATIONS+ WERE QUANTIFIED BY REFERENCE TO THE VALUE OF THREE MAIN CATEGORIES OF LAND, NAMELY COMMERCIAL/RESIDENTIAL AND RESIDENTIAL ZONE I, RESIDENTIAL ZONES 2, 3 AND 4, AND INDUSTRIAL, IN THE NEW TOWNS OF SHA TIN, TSUEN WAN AND TUEN MUN.

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