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Penstocks Designed to Withstand Harsh Environments in Coal Terminal

June 16, 2016 by

Dalrymple Bay Coal Terminal (DBCT) exports thermal and metallurgical coal from Queensland to ports around the world. The DBCT Industrial Dam upgrade is a project to improve coal fines settlement and recovery processes following stormwater events.

The project includes the supply and installation of a total of eight penstocks in four different areas, the largest of which is 4m wide x 2.2m high and will utilise dual rising spindles.

A number of penstocks will be subject to long term inundation and are required to operate in extremely harsh environments, within a high concentration of suspended coal fines.

AWMA worked closely with project partners to develop penstocks which:
  • operate in fluids containing suspended coal particles
  • withstand saturated coal pressures up to twice the density of water
  • seal with minimal leakage
  • have gate leafs fitted with shedder plates to reduce static coal buildup
  • withstand cyclonic wind loading in accordance with AS1170.2
  • allow for easy installation into existing structures
  • have an actuation system IP68 rated which allows for total immersion under flood conditions
  • require minimal ongoing maintenance
  • operate with portable actuators
  • measure up to 4m wide x 2.2m high

All penstocks were custom designed and manufactured by AWMA using grade 316 stainless steel in order to achieve the target design life of 25 years.

awma_penstocks-coal
awma_penstock-coal

For more information

Client: Dalrymple Bay Coal Terminal (DBCT)
Asset Owner: DBCT Management P/L are the lessee of the Dalrymple Bay Coal Terminal south of Mackay, Queensland

  • AWMA Penstocks
  • DBCT

Filed Under: Screen

Phone: + 61 3 5456 3331

Email: info@nullawmawatercontrol.com.au

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