TOTALS 3,11 6.11

TOTALS 3,11 6.11

personnel who perform teats from e sitting position Drawers, cabinet«, and shelves ere provided below the work counter for daily equipment and supplies. This arrangement provides a 5-ft aisle between workbenches, which is considered optimum for movement within the working area. Equipment such as cen-trifugaa. refrigerators, and desks, which may be used jointly by the personnel, 1« located opposite the unita along the interior of the technical work area

Technical Arm Hemetofogy-Blood Bank Unit. A standard module is assigned to the heme-tology-blood bank unit. Ona half of this module is provided with a workbench for procedures such as hemoglobin taata, sedimentation rates, staining, end washing of pipettes (in Plan A, Counter No. 7 on left aide of unit}. Knee space and storage cabinets are provided below the counter. In the other half of the module, a workbench 30 in. high, with three knee «paces, ia provided for technologists who are aaated during tests, such as those involving microscopic procedures.

The micro-hematocrit centrifuge, because of its noise and vibration whan In use, is placed In the general technical area along tha interior wall directly oppoaita the hematology unit. Tha other equipment needed by this work unit, such as a refrigerator, centrifuge, and recording desk, is located conveniently opposite the unit, where it is shared with the urinalysis and the chemistry unita.

It is assumed that the laboratory will obtain blood for transfusions from other sources, and, therefore, needs only facilitiea for blood storage. A blood bank refrigerator ia provided for this purpose In tha examination and test room. Compatibility teats on the blood are done in tha hematology unit. A hospital which operates s self contained blood bank, that is, collects and dos« complete proce««ing of all blood, ahould provide a separate bleeding room,4proceasing laboratory, donors' recovery room, and an office available for preliminary physical examinations.

Urinalysis Unit, The urinalyais unit is assigned ons half of a standard module, consisting of a workbench, f2 linear ft long and 30 in. high, and serves as tha work eras for the microscopic and chemical examination». Five linear ft of the workbench and a knee space are provided for personnel performing the microacopic examinational the remainder of the workbench is used for the chemical examinational A sink located at one end of tha workbench provides a continuous working surface for the technologiata,

Biochemistry Unit. The biochemistry unit requires an ares that occupies one and e heif standard laboratory modules. Tha half module is shared with the urinalysis unit snd is used for the neoeaaary preliminary procedures that are done prior to the actual chemical analyses. A knee space ia provided in this workbench for peraonnel who perform titrationa and other procedure« while seated. The adjoining module provides workbench area where a variety of chemical prooedurea may be performed and includas a fume hood for removal of vapora and gases.

Tha workbenches for the chemical procedures are about 36 in, high, with drawers and cabinets below. The reagent shelves are used to hold the chemicals needed during the procedures. Two utility sinks are provided, one in each chemistry work area, Apparatua used in this unit is cleaned by the personnel in the unit; lest tubes, pipettes, and flasks are sent to the central glass-washing area nearby

An instrument table 36 in. high is located along the interior wall opposite this unit where chemical apparatus, such as colorimeter, (lame photometer, spectrophotometer, end carbon dioxide gas apparatus are placed. Adjacent to the inatrumant table is an analytical balance on a vibration-free table or other type of support, By placing this apparatus away from the busy preparation and test procedure work areas, personnel can use the apparatus without interference from othe* procedures. It also lessens the possibility of damage to the equipment by the accidental spillage or splattering of chemical reagents.

A centrifuge, refrigerator, and desk are provided along the interior wall opposite the unit for the use of the personnel in this unit. The desk and refrigerator ere shared with the urinalysis end the hematology unit«-

Histology Unit, The histology unit is assigned a standard module, separated from the other units by s partition to prevent odors from spreading to other areas. It is located near the pathologist's office since the medical technologist here works under hia direction end supervision.

Along one half of the module, an area is utilized by the pathologist to examine surgical and autopsy specimens and to select the tissues for slide sections to be prepared by the technologist. An exhaust hood is provided over this section, es shown in the plan (No. 53), to draw off disagreeable odors from specimens and solution«. The remainder of the module ia used for the processing and staining of tissues. Knee dpacee are provided, ona at each of the specialized work areas. The workbench is 30 in. high with a 22- or 23-in.-deep working area, cabinets and drawers below the counter, and a reagent shelf Wall-hung cabinets are provided for additional storage A utility sink is provided at the end of the workbench.

Serology Becteriology Unit The serology and bacteriology work is combined in one standard laboratory module, where e half module ia aaaigned to each unit. Culture media for use in bacteriology are prepared in the bacteriology work area and sent to the sterilizing unit for sterilization

The workbenches are 30 in high with a 22-or 23-in.-de»p working area, and are provided with reagent shelves A knee spaca is provided in each workbench since most of tha procedures are done in a sitting position. A utility sink is provided for the personnel in both units, but the bacteriology unit also requires a sink for the staining of slide« A fume hood is provided to prevent the spread of possible infection to personnel when preparing specimens from suspect cases of tuberculosis, fungus, or virus diseases.

A centrifuge, refrigerator, and incubator are provided along the interior wall within the unit. A desk is also conveniently located for the use of the personnel.

This module is partitioned and separated from the other unit« by a door to reduce contamination of air and the hazard of mfaclion to personnel in the other lab areas

Adinilliltrttiv« Are« The edminiatretive aroa is separated from tha technical work araaa so that tha nonleboratory personnel need not enter the technical eress. This is tha central control and collection point for receiving specimens and ia the reception area for the patients and the hospital staff who come to the laboratory.

Waiting Room. A waiting area, with conventional waiting room furnishings, is provided for the ambulant patienia. In this erea, a desk is provided for a clerk-typist. An intercommunication system between the technical areas of the laboratory and the clerk-typist is recommended This anablas her to quickly notify the technical personnel whan e patient arrives end also to transfer phone calls for information concerning a laboratory report.

The pathologist s secretary is also located in this area, near ihe pathologist a office. She takes dictation and handles all the pathologist s correspondence, surgical pathological reports, and autopsy protocols.

Venipuncture Cubicle A venipuncture cubicle is provided where blood specimens are taken from the ambulant patients sent to the laboratory.

Specimen Toilet A specimen toilet is provided in this erea for the collection of urine and stool specimens; a pass window opens directly into the technical area near the urinalysis unit

BasalMetebolism-Electrocardiography Room A room is alao located here fgr basal metabolism tests and electrocardiograms, and when necessary, to obtain blood from donors. A desk is provided in this room to permit handling of paper work. A lavatory is also provided.

Pathologist's Office. The pathologists office Is located so that he may have easy access to the technical arees of the laboratory, particularly tha histology unit. This oHice is separated by a glass partition which parmits the pathologist to obaerve the technical work area«. A draw curtain may be used when he desires privacy Those who wish to consult the pathologist have accesB to his office through an entrance from the administrative area.

Auxiliary Service Area* The auxiliary service units are located adjacent to the administrative urea and are easily accessible to the technical sreas-

Glass Washing and Sterilizing Unit Tha glass washing and sterilizing unit is close to the eerology-bacteriology and the biochemistry units which will utilize such services more often than the other units A separate door loads directly into tha aerology-bacteriology unit ao that contaminated glassware need not be transported through other work area«

Within this unit are located a water still, pressure sterilizer, sterilizing ovan, and pipetta washer. Storegs cabinets are also provided for stock items of gleeswere. chemicals, and raegents. A hood over the sterilizera and water still is used to exheuat the heat generated by the equipment Utility carts ufed to transport dirty glassware from the various laboratpry units to this area are parked in this unit.

Locker and Toilet Facilities. Separate locker and toilet facititios are provided within the laboratory department for the medical technologists. This convenience reduces the time personnel must be away from the work areas. Since most medicol technologist« are female«, lockers have been provided for them in the department, However, where male technologists are employed, lockers should elso be provided for them, either in the leboratory or in another location.

Optional Services. Clinical photography, medical illustration, and research facilities ara not included in the plan because of their specialized requirements. If these services ere to be pari of the leboratory department, revision and expansion of tha plan will be necessary.

Guide Plans for Smaller Hospital Laboratories

Plan 8 is a suggested guide for a general hospital laboratory service having an anticipated

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