On 19 July 2004 an Agreement was signed for engineering work between PERTAMINA and IKPT. PERTAMINA was represented by Mr. Nurtjahjono - Division head Of Engineering & Research, Directorate of downstream IKPT was represented by Mr. Bambang Persetyo, Director of Services.

The agreement served as an "Umbrella agreement" where it would be acted upon with package agreements (more details for execution). Work packages could come from both parties, where a their party can be the giver or the receiver of work.

The Agreement was for the duration of 2 years, it covered activities such as: Engineering Design, FEED, HAZOPS, Cost Engineering, Project Scheduling, CAD / CAE, Detail Engineering.

As follow-up of the Agreement, 2 package agreements have been executed :
IKPT gave work to PERTAMINA in the form of HAZOP to the Project Of Tuban Aromatic Plant-TPPI with schedule;
19 July - 19 Sept. 2004
PERTAMINA gave work to IKPT in the form of HAZOP to the Project Of LNG Train A/B Bontang with schedule: 6 September - December 2004.