On 20th May, 2011, located Radiant Center of Music and Performing Arts, Gunanusa's President Commissioner held a small festivity to celebrate Gunanusa in achieving, 20 Million Man-hours without LTI. The achievement is an accumulation of three current projects combined (Hess Ujung Pangkah CPP & AUP, PTTEP Bongkot QPS, and ONGC ICP0R) and the previous projects (Total Tunu 11 and Peciko 6). This milestone clearly demonstrated Gunanusa focus and effort on keeping safety to be the prime issue at the work places.

The event is attended by Gunanusa's employees, representatives from current and past projects.

Also, Gunanusa said farewell to two long standing employees who have reached retirement ages, Darpin Mangus, director of QAHSE and HRD, and Firdau Amin, procurement manager, each served Gunanusa 27 and 26 years respectively.