XN000022-1980-11-06 — Page 8

THURSDAY, NOVEMBER 6, 1980

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CONTRACT FOR SEWAGE TREATMENT PROJECT

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WORK ON THE EXTENSION OF THE SEWAGE TREATMENT WORKS AT TAI PO INDUSTRIAL ESTATE WILL BEGIN NEXT WEEK.

A 563 MILLION CONTRACT FOR THE WORK, FORMING PART OF A COMPREHENSIVE SEWAGE TREATMENT SCHEME FOR TAI PC, HAS BEEN AWARDED BY THE PUBLIC WORKS DEPARTMENT TO CHUI HING CONSTRUCTION COMPANY LIMITED.

MP K.Y. TSANG, ACTING CHIEF ENGINEER OF THE PWD'S DRAINAGE DIVISION, WHO SIGNED THE CONTRACT, SAID THAT TOGETHER WITH THE *ORKS ALREADY COMPLETED UNDER STAGE ONE, THIS EXTENSION WOULD PROVIDE FULL SEMAGE TREATMENT FACILITIES TO SERVE THE FIRST TO STAGES OF DEVELOPMENT OF THE INDUSTRIAL ESTATE AND PART OF THE DEVELOPMENT OF THE NEW TOWN.

HE EXPLAINED THAT SEWAGE PURIFICATION WOULD BE BY WAY OF PRELIMINARY TREATMENT FOR REMOVAL OF GRIT AND COARSE SOLID PARTICLES IN THE SEWAGE.

THE NEXT PROCESS WOULD BE PRIMARY SEDIMENTATION FOR THE REMOVAL OF SUSPENDED SOLIDS, AND BIOLOGICAL REDUCTION OF ORGANIC MATTERS UTILISING THE DIFFUSED AIR ACTIVATED SLUDGE PROCESS.

THE FINAL TREATED EFFLUENT ILL BE DISCHARGED INTO TOLO HARBOUR AND WILL NOT HAVE ANY DETRIMENTAL EFFECTS ON RECEIVING WATERS, HE SAID.

WORK ON THE CONTRACT, WHICH WILL TAKE ABOUT 30 MONTHS TO COMPLETE, WILL INCLUDE THE CONSTRUCTION OF PUMPING STATIONS, SCHEEN CHAMBERS, GRIT CHANNELS, PRIMARY AND FINAL SETTING TAMO, AND ANCILLARY ROAD AND DRAINAGE WORKS.

THE SCHEME IS FINANCED JOINTLY BY THE GOVERNMENT AV THE

HONG KONG INDUSTRIAL ESTATES CORPORATION.

THE WORKS HAVE BEEN DESIGNED AND CONSTRUCTION WILL BE SUPERVISED BY THE DRAINAGE WORKS DIVISION OF THE CIVIL ENGINEERING OFFICE ON BEHALF OF THE PWD TAI PO AND FANLING NEW TOWN DEVELOPMENT OFFICE AND THE HONG KONG INDUSTRIAL ESTATES CORPORATION.

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