ICE Virtual Library : Journals : Journal of the ICE

Journal of the ICE

E-ISSN: 0368-2455

Volume 30, Issue 7, May 1948

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THE RECONSTRUCTION OF BAMFORD FILTERS. (INCLUDES APPENDICES).
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- pp. 205–239
- Author: R W S THOMPSON
- Document Type: Research Article
- DOI: 10.1680/ijoti.1948.13436
- THOMPSON ON THE RECONSTRUC?"ION OF BAldFORD FIL'J93hS . 205 Paper No 6642 . . `` The Reconstruction of Bamford F'ilters."f By RECINALD WILLIAM SCOTT THOMPSON. B.Sc.(Eng.), M.I.C.E. TABLE OF CONTENTS Introduction Investigations and experiments . . . . . Lay-out of t h e new works Rapid gravity filters Control gallery Filter tanks Sand bed and underdrain system Rate.controllers Control tablea Wash-water pumps and method of washing Dirty-wash-water pumps and settling tanks Flocculation and sedimentation tanks . Auxiliary plant building Alumina building Lime building ...
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DISCUSSION. THE RECONSTRUCTION OF BAMFORD FILTERS.
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- pp. 239–251
- Authors: R W S THOMPSON; SIR J DAVIDSON; H F CRONIN; R W AITKEN; J KENNARD; N J PUGH
- Document Type: Discussion
- DOI: 10.1680/ijoti.1948.13437
- THOMPSON ON THE RECONSTRUCTION OF BAMFORD FILTERS. 239 both units were later used for removing coam sand only, the supply of raw sand being divided between them. It was found that theexcess of flne mnd could he effectively removed byskimming the wnd in the filter-beds after backwashing gently. The grader worked by a process of elutriation, the fine sand being carried up the central pipe and the coarse sand falling to the bottom. In the unit illustrated, the upward velocity was about 0.33 foot per secand. A larger central displacer ww used in the lower half of the vertical pipe than in the upper, in order to compensatefor the quantity of mater coming in f o the feediq ejector...
DRAG VELOCITY IN RELATION TO PRODUCTION OF TURBULENT ENERGY AND LOSS OF HEAD IN PIPES IN THE V2-LAW REGION OF FLOW.
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- pp. 251–276
- Author: J WILLIAMSON
- Document Type: Research Article
- DOI: 10.1680/ijoti.1948.13445
- DISCUSSION ON THE RECONSTRUCTION OF BAMFORD FILTERS. 251 effected by means of efficient sedimentation t ns and a t lowercost. a k, However efficient such tanks might be, they would require to be supplemented by filters if water of high clarity were required. The water at Bamford was not liable to have any dangerous bacterial pollution, and the chlorine put in after filtration was really intended to. make doubly sure of the water being free from bacterial impurity. The water was practically sterile when it camefrom the rapid filters.The degree of colour removed had also proved to be a very reliable indication of bacterial efficiency...
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CORRIGENDA. DISCUSSION. TIDAL POWER: ITS DEVELOPMENT AND UTILIZATION.
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- pp. 302
- Authors: B D RICHARDS; H R LUPTON
- Document Type: Research Article
- DOI: 10.1680/ijoti.1948.13438
- 302 OBITUARY. OBITUARY. THOMAS BRAMMALL COOPERwas born in Manchester on the 21st January, 1870, and died in Bristol on the 8th November, 1947. He was educated at the Leys School,Cambridge, and Victoria University, Manchester, graduating as Bachelor of Science. In 1890 he waa appointed Assistant Resident Engineer on the Manchester Ship Canal, and from 1897 to 1910 he acted as Cohtractors' Engineer to Messrs. Edmund Nuttall & Company, Ltd., on many rail, dock, and sewerage undertakings. In 1916 he entered into partnership with the late Mr...
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OBITUARY. THOMAS BRAMMALL COOPER, 1870-1947..
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- pp. 302
- Author: UNKNOWN
- Document Type: Obituary
- DOI: 10.1680/ijoti.1948.13446
- 302 OBITUARY. OBITUARY. THOMAS BRAMMALL COOPERwas born in Manchester on the 21st January, 1870, and died in Bristol on the 8th November, 1947. He was educated at the Leys School,Cambridge, and Victoria University, Manchester, graduating as Bachelor of Science. In 1890 he waa appointed Assistant Resident Engineer on the Manchester Ship Canal, and from 1897 to 1910 he acted as Cohtractors' Engineer to Messrs. Edmund Nuttall & Company, Ltd., on many rail, dock, and sewerage undertakings. In 1916 he entered into partnership with the late Mr...

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ICE - Institution of Civil Engineers - Virtual Library

Journal of the ICE

Volume 30, Issue 7, May 1948

THE RECONSTRUCTION OF BAMFORD FILTERS. (INCLUDES APPENDICES).

DISCUSSION. THE RECONSTRUCTION OF BAMFORD FILTERS.

DRAG VELOCITY IN RELATION TO PRODUCTION OF TURBULENT ENERGY AND LOSS OF HEAD IN PIPES IN THE V2-LAW REGION OF FLOW.

CORRIGENDA. DISCUSSION. TIDAL POWER: ITS DEVELOPMENT AND UTILIZATION.

OBITUARY. THOMAS BRAMMALL COOPER, 1870-1947..