Amanda Harris, Commissioning Manager, Author at PC Construction https://pcconstruction.com/news/author/aharris/ Building Stronger, Together Wed, 08 Jun 2022 00:23:50 +0000 en-US hourly 1 https://wordpress.org/?v=6.5.2 https://pcconstruction.com/app/uploads/2022/06/cropped-Site-Icon_02-32x32.jpg Amanda Harris, Commissioning Manager, Author at PC Construction https://pcconstruction.com/news/author/aharris/ 32 32 Potomac Raw Water Pump Station Completes Final Function Demonstration Test https://pcconstruction.com/news/potomac-raw-water-pump-station-completes-final-function-demonstration-test/ Wed, 16 May 2018 12:29:09 +0000 https://www.pcconstruction.com/blog/?p=5864 Loudoun Water’s new Potomac Raw Water Pumping Station is in the final stages of start-up and commissioning and is nearing site acceptance testing. The pump station will deliver up to 40 mgd of flow to the new Trap Rock Water Treatment Plant, which is also nearing the final stages of construction, for final treatment. The […]

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]]> Loudoun Water’s new Potomac Raw Water Pumping Station is in the final stages of start-up and commissioning and is nearing site acceptance testing. The pump station will deliver up to 40 mgd of flow to the new Trap Rock Water Treatment Plant, which is also nearing the final stages of construction, for final treatment. The flow is conveyed using a combination of four, 900-horsepower vertical turbine pumps with a pumping capacity of 9260 GPM each and 108-foot-deep shafts fed by 52-inch header piping that draws from the Potomac River.

Last week, the PC Construction teams filled the 42-inch diameter pipeline that connects the pump station and treatment plant over a six-mile distance in preparation for the pump station’s final functional demonstration test. The test confirmed the programming flow control pacing of the vertical turbine pumps over a range of 4 to 40 mgd.

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]]> Commissioning Pull Planning Session Results in Ownership and Accountability https://pcconstruction.com/news/commissioning-pull-planning-session-results-in-ownership-and-accountability/ Mon, 01 Aug 2016 14:26:11 +0000 https://www.pcconstruction.com/blog/?p=5209 The Commissioning Team at the DC Water Tunnel Dewatering Pump Station and Enhanced Clarification Facility recently conducted its first Pull Planning session. Pull Planning, which is a component of the Lean-based Last Planner System, helps develop a coordinated plan for a project component with influence from all people responsible for the associated work. The commissioning-based […]

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]]> The Commissioning Team at the DC Water Tunnel Dewatering Pump Station and Enhanced Clarification Facility recently conducted its first Pull Planning session. Pull Planning, which is a component of the Lean-based Last Planner System, helps develop a coordinated plan for a project component with influence from all people responsible for the associated work.

The commissioning-based “pull” focused on the milestone of Operational Demonstration testing associated with the project’s consent decree date. The 18-month pull had a heavy focus on electrical, mechanical, and instrumentation and controls coordination as well as the document control associated with start-up and commissioning. Representatives from the subcontractors associated with the respective work joined the project team to ensure all key input was considered into the process.

The session was full of “ah-ha” moments. Everyone knew their role in getting to the finish line, but pull planning really emphasized how each individual role affected other trades. Key coordination issues and major equipment releases were brought to light and the team became aware of the need for field direction about power distribution priorities.

The pull was shared with our client, DC Water, and has been crucial in engaging them in the work. We’ve been able to identify a handful of high priority items that needed quick attention and set up workshops with DC Water to facilitate reviews and provide resources for removing potential obstacles. With all key team members involved, high priority submittal reviews and RFI responses have been handled efficiently.

The Last Planner System is a great way to get the entire team engaged, involved and fully in tune with project milestones. We are continuously utilizing the Pull Plan method to target milestones and work activities from our master 18-month Pull. It is amazing how the entire team is taking ownership of their roles and being accountable to one another through this process.

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