XN000022-1988-06-01 — Page 21

20

L

WEDNESDAY, JUNE 1, 1988

MEASURES TO MINIMISE LANDFILL IMPACT ON ENVIRONMENT

* * * *

ENVIRONMENTAL

NEW

IMPACT CAUSED TERRITORIES, TOLD THE

MEASURES ARE AT HAND TO MINIMISE BY THE REGIONAL LANDFILL TO BE SET UP IN THE WEST THE SECRETARY FOR HEALTH AND WELFARE, THE HON JOHN CHAMBERS, LEGISLATIVE COUNCIL TODAY (WEDNESDAY).

MR

WASTE

IN

NEW

LAU IN A WRITTEN REPLY TO A QUESTION BY THE HON

WONG-FAT, KONG'S CHAMBERS EXPLAINED THAT HONG

LONG TERM STRATEGY FOR

THREE REGIONAL LANDFILLS DISPOSAL INCLUDED THE ESTABLISHMENT OF THE WEST {WENT), NORTHEAST (NENT) AND SOUTHEAST (SENT) TERRITORIES.

LANDFILLS WOULD

THE THREE

BE AMONG THE LARGEST AND MOST TECHNICALLY ADVANCED OF THEIR KIND IN THE WORLD.

"IN COMMON WITH ALL MAJOR PUBLIC WORKS PROJECTS, PRELIMINARY AND NENT BEFORE ENVIRONMENTAL REVIEWS WERE CARRIED OUT ON BOTH WENT ANY COMMITMENT WAS MADE TO DETAILED FEASIBILITY STUDIES, SAID.

" MR CHAMBERS

ASSESSMENTS WERE WHICH MEET

"SUBSEQUENTLY, RIGOROUS ENVIRONMENTAL IMPACT UNDERTAKEN TO DEFINE DEVELOPMENT AND OPERATION STRATEGIES ENVIRONMENTAL CRITERIA.'

THE MAJOR ENVIRONMENTAL CONCERNS OF LANDFILL PROJECTS WERE OF CONTAINMENT, TREATMENT AND DISPOSAL OF LEACHATES, THE CONTROL EMISSIONS AND NOISE NUISANCE.

THE

GAS

WILL

BE LAYERS

"A WELL ENGINEERED LEACHATE CONTAINMENT SYSTEM PROVIDED AT WENT, COMPRISING AN IMPERMEABLE LINER AND DRAINAGE ON BOTH SIDES OF THE LINER, MR CHAMBERS SAID.

"

"THIS SYSTEM WILL PREVENT LEACHATE FROM SEEPING THE GROUNDWATER AND INTO DEEP BAY.

THIROUGH

ΤΟ

"THE LEACHATE THUS COLLECTED WILL EVENTUALLY BE PUMPED

OUTFALL FOR NORTHWEST NEW TERRITORIES SUBMARINE URMSTON ROAD."

ΤΟ THE DISPOSAL INTO

THE

BEFORE THIS

PROJECT WAS COMMISSIONED, LEACHATE WOULD BE TRANSFERRED TO THE WORKS FOR DISPOSAL.

MR CHAMBERS PILLAR POINT SEWAGE

SAID

THE

TREATMENT

TURNING TO ODOUR PROBLEMS

AND

LANDFILL GAS

HAZARD OF GAS

COLLECTION

MIGRATION,

MR

WELLS

WOULD BE

CHAMBERS SAID A SERIES OF PROVIDED TO PUMP GAS, INITIALLY FOR FLARING AND LATER FOR UTILISATION.

"IN ADDITION, THE DAILY COVERING OF REFUSE AND THE FILLING-IN

POTENTIAL NUISANCE FROM DUST

OF CONTAINED CELLS WILL, MINIMISE

+

VERMIN, HE SAID.

AND

"WHEEL WASHING