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HDPE Pipestring Stress Analysis
OPERATOR
Newcrest Mining Ltd.
EPCI
LOCATION
Papua New Guinea
EPCI CONTRACTOR
Spiecapag Entrepose
AEM SOW
Detail Design Engineering
Newcrest Mining Ltd operates a gold mining plant in Pupua New Guinea. Waste slurry is transported through a HDPE pipe, constructed via HDD) and disposed of in seawater. This HDPE will be replaced with new pipestring installed using HDD rig. HDD support engineering included;
- Analysing HDPE pipe stresses as pipestring is being maneuvered and pulled into location around existing onshore facilities.
- Analysing HDPE pipestring, crane locations and lift heights as its being lifted into a break over position and fed into HDD rig using FEA and modeling.
FACILITIES
‐ 1,200mm HDPE
![](https://static.wixstatic.com/media/a9d0e3_9e0f05f125ef44b4bf8776a4d01766e2~mv2.jpg/v1/fill/w_980,h_784,al_c,q_85,usm_0.66_1.00_0.01,enc_auto/a9d0e3_9e0f05f125ef44b4bf8776a4d01766e2~mv2.jpg)
![](https://static.wixstatic.com/media/a9d0e3_376cde3e07c4435a9650bab86ec78d45~mv2.jpg/v1/fill/w_980,h_443,al_c,q_85,usm_0.66_1.00_0.01,enc_auto/a9d0e3_376cde3e07c4435a9650bab86ec78d45~mv2.jpg)
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