WEDNESDAY, JUNE 8, 1988
+
25
STEPS TO COMBAT NULLAH POLLUTION OUTLINED
*
JOHN
PROJECTS ARE AT HAND TO REDUCE THE POLLUTION OF THE NULLAH, THE SECRETARY FOR HEALTH AND WELFARE, THE HON SAID IN THE LEGISLATIVE COUNCIL TODAY (WEDNESDAY).
YUEN LONG CHAMBERS,
"THE YUEN LONG NULLAH IS A HEAVILY POLLUTED WATERCOURSE, CAUSES A CONSIDERABLE SMELL NUISANCE, MR CHAMBERS SAID IN A REPLY TO A QUESTION BY THE HON TAI CHIN-WAH.
WHICH
WRITTEN
"THE POLLUTION ORIGINATES FROM LIVESTOCK WASTE, UNSEWERED
INDUSTRIAL
AND VILLAGES AND ISOLATED HOUSES,
DISCHARGES,
DISCHARGES
IN SEWERED AREAS THAT ARE
CONNECTED TO THE SURFACE WATER DRAINAGE SYSTEM."
WRONGLY
ONE OF THE PROJECTS IN THE PUBLIC THE PROBLEM WAS THE YUEN LONG NULLAH ENVIRONMENTAL PROJECT, HE SAID.
WORKS
ΤΟ PROGRAMME
COMBAT IMPROVEMENT
15 "THIS PROJECT
AIMED AT REDUCING THE SMELL AND VISUAL
THE INTERIM PERIOD BEFORE NUISANCE OF THE YUEN LONG NULLAH IN
THE IN 1991, AND LIVESTOCK WASTE CONTROLS COME INTO EFFECT IN THIS AREA THE SEWAGE TREATMENT AND SEWERAGE SCHEMES ARE COMPLETED, EXPLAINED.
HE SAID THE SCHEME COMPRISED:
(A)
(B)
MR CHAMBERS
ERECTION OF AN INFLATABLE DAM DOWNSTREAM OF YUEN EXCLUDE POLLUTED TIDAL WATERS;
LONG то
VELOCITIES
CONSTRUCTION OF LOW FLOW CHANNELS TO CONFINE THE FLOWS THE CENTRE OF THE NULLAHS, MAXIMISE MINIMISK DEPOSITION OF SEDIMENT;
ΤΟ
AND
(C)
CONSTRUCTION OF A PUMPING
ΤΟ STATION
CONVEY
LOW
FLOWS
(D)
AROUND OR OVER THE INFLATABLE DAM; AND
OF
THE
CONCRETE
LINING
CONSTRUCTION
OF THE NORTHWARDS TO THE LOCATION OF THE INFLATABLE DAM,
DESIGN STAGE
THE $48 MILLION PROJECT WAS IN THE EXPECTED CONSTRUCTION WOULD BEGIN IN SEPTEMBER 1989 AND BY JUNE 1991.
NULLAH
AND IT WAS BE COMPLETED
AS REGARDS I
IMPROVEMENT TO THE YUEN LONG SEWAGE TREATMENT WORKS, ΤΟ UPGRADE THE MR CHAMBERS SAID A $125 MILLION PROJECT WAS PROPOSED
SECONDARY AND ENSURE THAT A STANDARD OF TREATMENT FROM PRIMARY TO HIGH STANDARD OF EFFLUENT WAS DISCHARGED INTO THE NULLAH.
/WORK WAS