Waterfront Substation October 29, 2015 Project Update I Pepco - - PowerPoint PPT Presentation

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Waterfront Substation October 29, 2015 Project Update I Pepco - - PowerPoint PPT Presentation

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Waterfront Substation October 29, 2015 Project Update I Pepco Holdinqs Inc 2 ~ ~ Waterfront Substation Project Phase Progress Phase 1: Regulatory authorization and zoning BZA approval received in March 2015 and DC PSC approval

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SLIDE 1

Waterfront Substation

October 29, 2015

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SLIDE 2

I Pepco Holdinqs Inc

Project Update

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SLIDE 3

I Pepco Holdings Inc

Waterfront Substation Impacted

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Waterfront Substation

  • Project Phase Progress
  • Phase 1: Regulatory authorization and zoning
  • BZA approval received in March 2015 and DC PSC

approval in April 2015

  • Phase 2: Substation site preparation
  • Environmental assessment finished and demolition

will complete in early November 2015

  • Phase 3: Design & construction of the substation,

transmission and distribution lines

  • Detail engineering and permitting is underway
  • Distribution construction beginning Nov 2015
  • Transmission construction beginning Dec 2015
  • Substation construction beginning Jan 2016

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SLIDE 4

I Pepco Holdinqs Inc

Waterfront Substation Project Schedule

Prepare Waterfront Site for Construction June – November 2015 Award EPC Contract; Perform Detail Engineering July 2015 – July 2016 Obtain Building Permit January 2016 Construct Substation Building January 2016 – April 2017 Install Electrical Equipment August 2016 – April 2017 Initial Transfer of Electrical Load May 2017 – June 2017

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SLIDE 5

I Pepco Holdinqs Inc

Demolition Update

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SLIDE 6

I Pepco Holdings Inc

Demolition Update

  • Pepco contractor Northstar

performed demolition of existing Lyon Bakery and ANA towing office buildings

  • Demolition phase is nearing

completion

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SLIDE 7

I Pepco Holdings Inc

Demolition – Measures & Controls

  • Water spraying mounted hose and

nozzles for dust suppression

  • Continuous humidity/moisture content in

the construction debris

  • Prevention of dust from becoming

airborne

  • Portable water tanks cover smaller

blanket of airborne dust areas without blowing any water or dust laden mist

  • utside the property limits

Construction vehicles cleaned prior to departing construction site

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SLIDE 8

Pepco Holdings nc

Demolition – Vector Control & Abatement

  • Northstar placed ten bait stations around the perimeter of the site prior to demolition
  • Department of Health bureau of community hygiene and rodent control division

inspected the site on July 28th 2015 and issued clearance certification

  • The contractor also hired Critter Control (Rodent Control company) as secondary

measures

  • Bait stations inspections reveal no evidence of rodents
  • Northstar has requested follow up DOH site inspection post demolition

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SLIDE 9

I Pepco Holdings Inc

Demolition – Site Controls

  • Installation of Stabilized Construction Entrance, silt fence and super silt fence

as part of the Erosion and Sediment control measures

  • Construction debris and Asbestos containing building material segregated,

covered and hauled off site for disposal

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SLIDE 10

I Pepco Holdinqs Inc

Substation Engineering & Construction Update

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SLIDE 11

I Pepco Holdings Inc

Waterfront Substation Construction

January 2016 - April 2017

  • 60% detail design complete
  • Pepco will install up to 20,000 sf of PV Panels on the roof of the substation for station service

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SLIDE 12

I Pepco Holdings Inc

About ABB USA

  • ABB USA is a world leader in power

technology

  • ABB is working with Pepco to enhance

Pepco’s transmission network in Washington DC – improving reliability and efficiency with this advanced substation 12

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SLIDE 13

About Coakley & Williams Construction, Inc.

Founded in 1961 CREBA Recently Ranked Us Best Contractor Award Winning Technology Services Sustainable Construction 215 Industry Awards Strong, Local Relationships

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SLIDE 14

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About Coakley & Williams Construction, Inc.

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SLIDE 15

I Pepco Holdings Inc

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PEPCO WATERFRONT SUBSTATION #223

Waterfront Substation Landscape

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Waterfront Substation Landscape

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Waterfront Substation Landscape

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SLIDE 18

I Pepco Holdings Inc

Waterfront Substation Landscape

Plant Palette 18

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SLIDE 19

I Pepco Holdinqs Inc

Transmission Engineering & Construction Update

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SLIDE 20

I Pepco Holdings Inc

Overall Underground Transmission and Distribution

  • Map on slide 20 was removed

from the original presentation for publication on website

  • Underground Transmission (Under

Construction)

  • Underground Transmission Lines Phase 1
  • Underground Transmission Lines Phase 2
  • Future Ductbank on New Bridge
  • Underground Distribution Lines

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SLIDE 21

I Pepco Holdinqs Inc

Underground Transmission Lines

138kV Underground Lines between Buzzard Point Substation and Waterfront

  • Map on slide 21 was removed from

the original presentation for publication on website Substation. Construction: December 2015  March 2017 Ductbank for future Underground Transmission Feeders Construction: March 2016  July 2017

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SLIDE 22

I Pepco Holdinqs Inc

Underground Transmission Installation Video

www.pepco.com/Underground-Construction.aspx

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SLIDE 23

I Pepco Holdinqs Inc

Distribution Engineering & Construction Update

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SLIDE 24

I Pepco Holdinqs Inc

Distribution Conduit Phase 1:

November 2015 - April 2016

  • Map on slide 24 was removed from the
  • riginal presentation for publication on

website

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SLIDE 25

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Traffic Control

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SLIDE 26

I Pepco Holdings Inc

Potential Yard Disturbance

  • Map on slide 26

was removed from the original presentation for publication on website

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SLIDE 27

I Pepco Holdinqs Inc

Distribution Conduit Phase 2: 2017 and beyond

  • Map on slide 27 was removed from the
  • riginal presentation for publication on

website

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SLIDE 28

I Pepco Holdinqs Inc

Questions

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SLIDE 29

I Pepco Holdinqs Inc

Appendix

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