st vital transmission line construction - manitoba hydro€¦ · manitoba hydro permission –...

St Vital Transmission Line Construction

June 4th, 2020Sage Creek Residents’ Association

Information Session

During the presentation

• Please Mute your microphone

• Question period at the end of the presentation

• Questions can be typed in the comment box

Agenda

Opening Remarks Goy Sengmany, Vice President & Parks Chair of Sage Creek Residents’ Association

Introductions Maggie Bratland

Presentation (10 mins) Maggie Bratland – Manitoba Hydro

Question and Answer Period (30 mins)

Moderated by Anthonie Koop (Manitoba Hydro)

Outline• History of the

Corridor• St. Vital Transmission

Project• Construction Process• Safety • Safe access to trails

Manitoba Hydro Corridor

• MH owned since 1970s• Location for transmission

lines to connect St. Vital Station with need and supply

• Greenspace and trails developed with Manitoba Hydro permission – partnership with Qualico, MH, City of Winnipeg

St. Vital Transmission Project

• 3- 230kV transmission lines• Promote reliability• Improve system

performance and ability to withstand outages

• Received Provincial Licence January 2017

Double Circuit• Design change in Sage

Creek in response to community feedback

• More separation between homes / lines

• 5 Less towers• 15 m taller towers to

accommodate ground clearance

Single Circuit Double Circuit

Construction

Site Preparation

June

Foundation InstallationJune - July

Tower Assembly

July - August

Tower Erection

July - August

Stringing

August-September

Site Clean Up

June 15 anticipated construction start*Estimated timelines subject to change

Site Preparation• Access points

established• Tower locations

flagged • Materials and

equipment hauled to site

Site Preparation• Rig mats will be used to protect trails

Foundations Installed• Cast-in-place

foundations• 4 holes drilled• Filled with concrete• Requires time to

‘cure’

Towers Assembled

• Towers assembled next to foundation

• Steel sections bolted together

Towers Installed• Crane lifts

assembled sections• Fastened with bolts• Inspected

Stringing

• Overhead work• Pulling ropes then

conductor through pulleys

• Requires road/trail closures

Rider Poles

• On either side of road crossings

• Prevent conductors from falling on roads

• Removed once stringing is complete

Site Clean Up• Garbage and materials cleaned up at end of

day• Debris on roads will be cleaned up

immediately• Damage to trails or tall grass prairie will be

repaired

Safety

• Please obey signage for your safety

• Construction equipment locked and fenced at night

Trail Access• Signs will mark trail closures

• Updates to trail closure information on our website www.hydro.mb.ca/sagecreek

• 1-877-343-1631• LEAProjects@hydro.mb.ca

Noise• Work from 7am – 6 pm most

days• May continue until 9 pm as

needed• General construction related

noise• Alternate conductor fusing

method will reduce noise

Contact Us

• LEAProjects@hydro.mb.ca• 1-877-343-1631• Website: www.hydro.mb.ca/sagecreek• Conference call on June 9th – email

LEAProjects@hydro.mb.ca for details

Q & A• Please type question into

comment box• Question will be read

aloud and answered• Questions on other topics

will be followed up offline (to email address provided during registration)

Electric Magnetic

Fields

Birds• Biologists will ‘sweep’

area looking for bird nests• Area will be monitored for

nesting birds duringconstruction

FAQs

• https://www.hydro.mb.ca/projects/expansion/stvital/pdf/sage_creek_faq.pdf

Available in accessible formats upon request.