[Report 1964] / Medical Officer of Health, Derby County Borough.

  • Derby (England). County Borough Council.
Date:
1964
Catalogue details

Licence: Attribution 4.0 International (CC BY 4.0)

Credit: [Report 1964] / Medical Officer of Health, Derby County Borough. Source: Wellcome Collection.

    132/170 (page 130)
    PUBLIC SWIMMING BATHS There are two bathing establishments in Derby, the Reginald Street Batlis and the Queen Street Baths. Reginald Street comprises a Swimnimg Pool 100ft. by 30ft., Turkish and Vapour Baths, Slipper Baths and a Laun ly. The Queen Street establishment has a suite of Slipper Ba^s ndn. Poo^- the Gala Pool 100ft. by 40ft., the Family Pool lOOft. by 32f . and°a Teaching Pool 60ft. by 24ft., in this Pool depth being 2ft. 9m. to 3ft. All pool water temperatures are kept higher than is usual m S’™'™’*j and the Teacliing Pool in particular is kept at a comfortably high tempcratuic thus ensuring that conditions are ideal for teaching purposes. Tlie water supplying the pools is a blend from the Derwent Valley and Little Eaton, and is supplied by the South Derbyshire Water soften and iire-treat it. Before being passed through sand filters under pump ™rc the water is treated with chemicals. After filtration the water is heated and sterilized. Liquid chlorine is the sterilizing agent providing the modern method of “Breakpoint Chlormation”, which ensures rapid extermin- ation of bacteria, clear, attractive pool water, odour free bath halls, and l^ong filter runs betiveen cleaning the filter beds, with resultant economy in fue , water and chemicals. Filter beds are cleaned or “Back-washed on average once a week by reversing the normal direction of water flow to waste drams, and so carrying the dirt arrested by the filters to main sewers. To ensure that pool water is both safe and attractive to bathe in, water samples are taken from all pools every two hours and tested for bic^bonate alkalinity, Ph. values and free and combined residual chlorine. To cope with this twenty-four hour a day problem, a combmation of the latest nietliocls of water testing is used, i.e. the Lovibond Comparator together with the Palin’s Tablet Tests.