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PROJECT 1
2006: Completed On-Site Fabrication of World's Largest GRP Chemical Storage Tanks
   
 

In 2006, PT Gunung Putri Graha Mas (GPGM) has completed fabrication of two 5000 m3 (1.3 million gallon) phosphoric acid tanks. The two tanks are the world's largest glass fibre reinforced plastic (GRP) chemical storage tanks, having a diameter of 20 m (65.6 ft) and a shell height of 15.8 m (51.8 ft). The design specific gravity for the tanks is 1.8, which results in a liquid head pressure of 28.4 m (93.2 ft) water column or 282 kPa (40.3 psi). Each filled vessel will weigh in excess of 9000 tonnes.

This tremendous work was the result of a cooperation between GPGM and FEMech Engineering of Harrison, Arkansas, USA. The 'super big' tanks were designed by FEMech Engineering and Gunung Putri also obtained the basic large diameter winder design and winder software from FEMech.

About 50 000 man-hours were required for each tank. This number is higher than Gunung Putri expects in the future for similar projects. This project was a giant leap for GPGM and provided a steep learning curve which will benefit greatly on future large field projects. 

PROJECT 2
2006: Completed On-Site Fabrication of World's Largest GRP Chemical Storage Tanks
   
 

In 2006, PT Gunung Putri Graha Mas (GPGM) has completed fabrication of two 5000 m3 (1.3 million gallon) phosphoric acid tanks. The two tanks are the world's largest glass fibre reinforced plastic (GRP) chemical storage tanks, having a diameter of 20 m (65.6 ft) and a shell height of 15.8 m (51.8 ft). The design specific gravity for the tanks is 1.8, which results in a liquid head pressure of 28.4 m (93.2 ft) water column or 282 kPa (40.3 psi). Each filled vessel will weigh in excess of 9000 tonnes.

This tremendous work was the result of a cooperation between GPGM and FEMech Engineering of Harrison, Arkansas, USA. The 'super big' tanks were designed by FEMech Engineering and Gunung Putri also obtained the basic large diameter winder design and winder software from FEMech.

About 50 000 man-hours were required for each tank. This number is higher than Gunung Putri expects in the future for similar projects. This project was a giant leap for GPGM and provided a steep learning curve which will benefit greatly on future large field projects.