Show TALKS UN g app U K says german cities provide provid 0 model for americans STREET SHEET GLEANING SCIENCE no refuse should be placed on sido side walk the sweeping process pr icess should bo be started when no traffic Is on I 1 street erly early morning best time by FRANK KOESTER the lack of system and want of toch tech training on the part of many american americ an officials in charge make street cleaning unnecessarily e leave the streets in a bad condition and cause canse the cleaning to be carried out bout in a way ln in foreign cities engin engineers cers specialize on this subject street cleaning has been reduced to a science and economy efficiency and the comfort and con sentence Ten lence tence of the public are arc considered the purpose of street cleaning is to remove as quickly and as cheaply as possible all foreign matter in the streets band and thus to conduce to the health of the public by minimizing the circulation of germ laden dust the cleaning of streets should be car tied out in a systematic and thorough manner the cleaners should proceed an crews with the necessary apparatus to clean the streets and the sidewalks as well if necessary and the layout of the work should be such that no member of the crew needs to wait on the progress of the other but all proceed simultaneously and when they have passed through the street the work will be done the method of piecemeal street cleaning with the householder sweeping dirt into tile the street the street cleaner sweeping it into anto piles and the piles being removed by wagons with trie occasional passing zt arst on one side of the street and then thell on the other of some piece of street cleaning apparatus results in a continual stirring up of dust to the great discomfort com forb and inconvenience 0 of all concerned ned while the street never really gets cleaned the number of men in the cleaning 3 crew depends on the kind of machinery r used As no machine Is capable of rr r teaching all parts of the street a tain amount of manual sweeping Is A necessary mec essary especially when the sidewalks are cleaned in hi conjunction with the machine sweeping so that as indicated the whole width of tho the street ty hlll be cleaned at once must bo be clear of traffic in order that such cleaning may proceed with efficiency and dispatch and iton consequently with economy the streets must be practically clear of traffic as the presence of vehicles especially those standing at the curb greatly de dc flaye tile the work of the crew As the operation of such a crew also handicaps traffic an and d as the public prefers to see tho the streets clean rather than to see them being cleaned it is 13 essential to select a suitable hour for foe cleaning german cities have conduct led numerous tests for finding out the I 1 most favorable hour the city of dresden adopted the practice of cleaning the main streets in tho the early morning incurs begir beginning ming about 4 and ancl the me business sections by 0 some 20 to 30 per cent of the entire street area the cleaning of tile the remainder of the streets proceeds immediately ca after the main streets are finished and tile the whole city Is leaned cleaned by 9 a m tho the early morning plan the advantages of the system are that tile the clean cleaning hig can be carided can led out by and la 14 consequently better D anun v canler out under artificial light that the workmen are more efficient as day woi kers th than an as night wo iker and that during the eaily morning hours the traffic is at the minimum no refuse may bo be placed on the sidewalk but must be kept on oil the householders premises in ili such places ns as will not lot cause annoyance to the neighbors As tile the cleaning crews may be expected at a fixed time dally daily the house householders bolders are able to make their arrangements ringe range ments accordingly and thus the whole proceeding is carried out in the most expeditious and convenient manner most urgent duty perhaps the most urgent of the duties of the street cleaners is the removal boval moval bioni the streets si of the carcasses of bf dead mili animals nals not only on oil accod account nt of tile the unsightliness of such objects but also because especially in ili summer they sire are a menace to health singularly enough in many american cities including those constantly exploiting their civic improvement plans there is it lack of operation cooperation co between the police to whose notice such matteis naturally alist fall and the street cleaning departments so that the carcasses remain often for days before being removed moi ed it would certainly seem a necessary preliminary to planning ting to have the free of such impediments street cleaning machinery consists principally of three classes sprinkling sweeping and removing apparatus |