London's Pulse: Medical Officer of Health reports 1848-1972

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London County Council 1900

[Report of the Medical Officer of Health for London County Council]

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Table 1. Particulars or the Bacteria Beds.

No.Name of town or distriot.Nature of installation.Number of beds.Distinctive number or name of each bed.Average or working area of the beds.Measurement of the beds.Depth of the beds.Material and size of the material of which the beds are composed.Thickness of e«ch layer of material, arranged in their order in the beds, from the top downwards.Method of under-draining the beds.Actual or estimated cost of making the beds.Actual or estimated cost per acre of making the beds.Cost of treating sewage per million gallons.
At top.At bottom.
P.—Permanent. T.—Temporary.
Square feet.Feet.Feet.Feet.
27LeicesterP. T.4£sd.£8.d.£s.d.
1 primary...37 x 30...Clinker, 1¼ inch to 2¼ inch meshTwo 6 inch layers of old flattened tins, 1 foot apart, were laid in the body of the beds\ 6 inch and 4 inch land tile drains )
2 „37 x 30...41 *2Clinker, 1¼ inch to 2¼ inch mesh
3 „37 x 30...4iClinker, ¾ inch to 1¼ inch mesh
4 „37 x 30...4iClinker, ¾ inch to 1¼ inch mesh
1 secondary675......3Clinker, 1/8 inch to ½ inch mesh...3 inch land tile drains
2675......3Clinker, 1/16 inch to ½ inch mesh6 inch3 inch land tile drains
Clinker, 1/16 inch to ½ inch mesh19 inch mixed
Clay ballast, ½ inch to 1 inch mesh
Burnt ballast, inch to ½ inch mesh11 inch
28Lincoln ...P.111 primary3,25571 x 504 10/12Broken coke and clinker Primary beds, 1½ inch 1 mesh Secondary beds, ¾ inch meshSame throughoutTwo and three inch pipes leading to each valve. In the largo beds there are 4 to 6 valves. The main pipes are provided with branches5,000---14- (labour on beds) -12 3 (precipitant)
2 secondary8,586159 x 54...4 10/12
3 primary3,60072 x 50...4 1/1
4 secondary18,198182 x 100...
5 primary3,30382.5 x 40...4 10/12
6 secondary17,280160 x 108...5
7 primary2,97090 x 33...4 10/12
9 „3,24979.75 X 40.75...4 1/3
11 „3,25878.5 x 41.5...41/3
13 „18,954189 5 x 100...5
15 „14,301162.5 x 88...
29Liverpool (West Derby sewage farm)P.61 primary...70.5 x 29.328Burnt clay, 3 inch meshNot graded6 inch main with 3 inch collecting drains
1A secondary...80.6 x 28.3...2.6Coke, 3 inch mesh Ballast14 inches 18 inches
2 primary...70.5 x 29.3...3Red sandstone, 3 inch meshNot graded
2A secondary...80.6 x 28.33Coke breeze, small size,,
3 primary...70.5 x 29.3...3Ordinary gas coke, 2 inch mesh,,
|3A secondary...80.6 x 28.3...3Sand and gravel,,