2.2 Temperature RiseIn addition to the requirements of Section 5.4.2 of IEEE Standard 841, the following shallapply:Temperature rise of any phase of the stator windings shall not exceed 195° F(90°C) by winding resistance when operated at 1.15 service factor, 105°F (40°C)ambient temperature, and at rated voltage and frequency.2.3 Mechanical FeaturesMotor mechanical features shall comply with NEMA MG1 and IEEE Standard 841,Section 6.0 with the following additional requirements:a. Fans shall be bi-directional.b. DELETEDc. If resistance temperature detectors (RTDs) are specified, they shall have thefollowing characteristics:(1) Type: spring-loaded, tip-sensitive, 3-wire element.(2) Material: platinum.(3) Resistance: 100 ohms at 32 F (0 C).