6.1_SMSM_201904  Originally published April 2019  Uncontrolled copy when downloaded 8 3  Risk Acceptance and Safety Documentation Review  Section 6  (7) The ATO Chief Safety Engineer must submit safety cases with means to reduce safety risk of any initially identified high-risk safety hazards to AOV for approval. (8) If the change or existing safety issue meets the criteria for AOV approval, the ATO Chief Safety Engineer must submit it to AOV accordingly. (9) SRM documents that accompany air traffic waiver requests must also be signed by the Headquarters Director of Operations. (10) Safety documentation developed for acquisition programs must undergo a peer review before signature, as described in the Safety Risk Management Guidance for System Acquisitions (SRMGSA). Refer to Section 8 of the SRMGSA for more information. (11) The Director of ATO Operational Concepts, Validation & Requirements or his/her designee must provide their approval when the safety requirements are not already documented in an approved Program Requirements Document (PRD). (12) Risk acceptance must be obtained for safety analyses in which risk is identified, except for the Operational Safety Assessment and the Comparative Safety Assessment. (13) For approval and/or risk acceptance outside of the ATO, AOV may facilitate signatures on behalf of the ATO. However, the Service Unit change proponent should obtain signatures from the affected organization (user) participating on the SRM panel. (14) Second-Level Engineering should start with  Table 6.2 for their signature requirements. 