To maintain sterility and the correct air pressure in all doors, The room into and out should be of the sliding, Hermetically sealing type. The door should meet following specifications l meets international quality & safety requirements. L doors should be wired to the current iee regulations & bs7971 standardl motor should be dc 24v 70 w brush less dc motorl noise level of movement is discouraged from being more then 60 decibel. L controller should be microprocessor based and be ce marked. L power efficiency should be . 95 in ac 100v full load . L the track should be composed of single piece extruded aluminum. L environment temperature should be, 20 c to, 55 c. L starting time should possess the means to regulate from . 5 second to 23 second & starting speed should be 600 mm per second. L electrical safety codes for high & low voltage systemthe track of the door is constructed with high quality door lock with fixed firmly, Aluminum extrusion to the walls. Nylon runner guides shall be fixed to the door. The controller shall be capable of either being operated by elbow switches/radar switch, Foot switches touch less sensor . All doors will be operated easily manually in the event of failure of the power supply or the automation unit.