Document G6GOORdN5M02xrazNwd3x0jon

rooms are useless for lolling organisms and a nuisance to keep clean As an item of general sanitation, shower rooms and stalls should be well ventilated and adequately lighted to prevent the forma tion of mold The floor of the shower should be mopped daily with detergent, hot water and disinfectant to combat athletes foot (fun gus and ringworm infection) A foot-actu ated spray can aid in controlling athlete's foot Toilets Wall-hung, elongated-bowl flush toilets with open-front seats should be provided according to the number of employees (Table 20-D) If persons other than employees are allowed to use toilet facilities, their number should be in creased accordingly Paper holders must be provided for every water closet For each three toilet facilities, there must be at least one lavatory m the toilet room or adjacent to it Wall-hung units are easier to keep sanitary and to dean under Codes prohibit any type that is not thoroughly washed at each dis charge or that might permit siphonage of bowl contents back into the tank Water supplied to tanks must have vacuum breakers or have a positive air gap between top of water in the tank and the water supply inlet Toilets should be placed not more than 200 ft from any work place In multistory buildings, toilets should be not more than one floor above or below the work area With toilets and lavatones at various points through out the plant, the main locker room and shower room can be closed for deaning during the work period, an advantage for the jani torial crew Toilet rooms and washrooms for women sometimes have an attendant on duty during use Washroom attendants should not at tempt to give first aid to women who become ill at work Such aid is best given by the plant nurse or physician Some states also require that women work no more than a cer tain distance from a woman's rest room This should be checked during design stages Some states also require cots to be installed Ventilation is required for toilet rooms If natural ventilation is relied upon, there should be windows or skylights having a ventilation area of 8 sq ft for a room with one toilet. TABLE 20-D MINIMUM TOILET FACILITIES Number of Employees 1 to 15 16 to 35 36 to 55 56 to 80 81 to 110 111 to 150 More than 150 Minimum Number of Water Closets 1 2 3 4 5 6 One additional fix ture for each additional 40 employees * Where toilet facilities will not be used by women, urinals may be provided instead of water closets, except that the number of water closets in such case shall not be reduced to less than % of the minimum specified From OSHA Regulations, ( 1910 141(c)(1) with an additional square foot of window ventilation space for each additional toilet If this amount of window space cannot be pro vided, forced ventilation should be supplied at a rate of three to four air changes per hour m the room Since windows and skylights generally do not afford sufficient light, light fixtures should be installed in all toilet rooms and washrooms Switches, for the lights or for electric dners or other equipment, should be located so that they cannot be operated by persons who are at the same time m contact with piping or other grounded conductors Individual wall-hung unnals should be pro vided in the men's room These may be sub stituted to the extent of one-third or less of the number of stools specified Trough unnals are poor substitutes for individual fixtures and are prohibited m many states Approved uri nals must have all surfaces which are subject to soiling accessible for cleaning Integral screens over the discharge openings are the major cause of chronic toilet room odors be cause the decomposing soil under the screen cannot be removed by any practicable method Blow-down washout unnals are the only ac ceptable type Floor-type unnab, in which the drain pipe becomes chronically offensive. 541