St Lawrence Street and Durham Street Reconstruction

We are pleased to inform you that Cobourg Development Services Ltd. (CDS) has been awarded the contract to conduct important infrastructure improvements in our community. This project involves the replacement of the storm sewer, sanitary sewer, watermain, concrete curbs, sidewalks, and asphalt paving. The project includes sections of Durham Street North, Durham Street South, St Lawrence Street West, and St Lawrence Street East. Please see the below Project Map.

2025 Work is scheduled to begin the week of April 14th, with an expected interim completion date of November 30th.

2026 Work is schedule to begin May 1st, with an expected Project Completion on October 30th.

CDS and the Municipality is committed to ensuring this project is conducted with minimal disruption to residents and businesses, and we appreciate your understanding and cooperation throughout this process.

Street Access:

Local traffic will be maintained throughout the construction period; however, access may be temporarily restricted or reduced to single lanes during certain activities. Clear instructions about access will be provided through signage or directly communicated by the CDS team to ensure smooth navigation during the construction process.

If you have any specific requirements, accessibility concerns, or general inquiries about the project,
please reach out to the following contacts: 

CDS Main Office; 905-372-4848, inquiries@cds-ltd.ca
Zach Farrell, Project Manager, zach@cds-ltd.ca 
Jason Smith, Site Superintendent, jason@cds-ltd.ca 

 

CDS hand delivered notices to affected residents and businesses.

Davidson Street to Wellington Street

Crews will be conducting water, sewer, and stormwater infrastructure

upgrades along this corridor.

Stormwater Construction: St. Lawrence West

Stormwater upgrades will be underway on St Lawrence West. Local access will be maintained with possible detours in place.

The intersection of St. Lawrence Street & Durham Street will be closed for construction.

It is anticipated to be from April 30- May 2. Please use alternate routes.

Monday – Tuesday

  • Concrete curb in-fills and sidewalk work (weather permitting)

  • Intersection traffic reduced to a single lane (Phase 1A / 1B configuration)

  • Start of Phase 1D: Work begins on Durham Street North

Wednesday – Thursday

  • Base asphalt paving on:

    • Durham Street South

    • St. Lawrence Street West

  • Full traffic detour in place (Phase 1C configuration)

Friday

  • Temporary line painting

  • Reopening of Durham South & St. Lawrence West to original traffic flow

All Week (Monday – Friday)

  • Ongoing work on St. Lawrence Street East (Phase 2A), progressing eastward

Monday – Friday

  • Rock Breaking; Durham Street North
  • St Lawrence East - Phase 2B, working Easterly  

Monday – Friday

  • St Lawrence East – Phase 2A, working easterly
  • Cross Culvert (Elliptical pipe) being delivered Tuesday/Wednesday

 

Monday – Friday

  • Rock Breaking; Durham Street North (Sanitary Lateral investigation, Tuesday 8am)
  • St Lawrence East - Phase 2B, working Easterly 
  • Planning to have Phase 2B underground infrastructure completed by end of week

Monday – Friday

  • St Lawrence East – Phase 2A, working easterly
  • Cross Culvert (Elliptical pipe) / STM MH 5 completed Tuesday
  • Planning to have Phase 2A underground infrastructure completed by end of week

Monday – Friday

  • Rock Breaking; Durham Street North
  • Sanitary Sewer Install, Durham Street North
  • St Lawrence East - Phase 2B; Sidewalk Removals, Watermain Testing, Prep for new Curb & Sidewalk

Monday / Tuesday         

  • Asphalt Removal (Pulverize); St Lawrence East – Wellington to Concession
  • St Lawrence East – Phase 2A, Wellington Intersection

Wednesday – Friday

  • Temporary Water service connections; St Lawrence East – Phase 3A / 3B (Wellington to Concession)

Monday – Friday

  • St Lawrence East - Phase 3A; GREAM ST working Easterly 
  • Durham Street North – Rock Breaking, Sanitary Sewer  

Monday - Friday         

  • St Lawrence East – Phase 2A / 3A, Wellington Intersection working Easterly

 

CURBSIDE CONSTRUCTION (SUB)

Monday – Tuesday

  • St Lawrence East – Phase 2B / 2A; Concrete Curb & Gutter

Wednesday – Friday

  • St Lawrence East – Phase 2B / 2A; Sidewalks

Tuesday – Friday

  • St Lawrence East – Phase 2A / 2B; Sidewalk Prep, Boulevard Prep

Monday – Friday

  • St Lawrence East - Phase 3A; GREAM ST working Easterly 
  • Durham Street North – Rock Breaking, Sanitary Sewer (Rock has become extremely hard again)  

Monday - Friday         

  • St Lawrence East – Phase 3A; Wellington St working Easterly

GIP (SUB)

Monday

  • Base Asphalt Paving; St Lawrence East (Durham to Wellington)
  • Weather Permitting

CURBSIDE CONSTRUCTION (SUB)

Tuesday – Wednesday

  • St Lawrence East – Phase 2A; Sidewalks

CDS GRADE CREW

Wednesday – Friday

  • St Lawrence East – Phase 2A / 2B; Boulevard Prep, cleanup, raising structures, etc.

Monday – Friday

  • St Lawrence East – Phase 3B working easterly; momentum slightly slower due to Rock  
  • Durham Street North – possibly mobilizing second hoe-ram to take over ; services remaining for Rock Excavation

Monday - Friday         

  • St Lawrence East – Phase 3A working easterly

WILLOWLEE (SUB)

Monday-Friday

  • St Lawrence East – Davidson to Wellington; Topsoil placement & Sodding

Tuesday – Friday

  • St Lawrence East – Phase 3B working easterly
  • Durham Street North – Rock Breaking for sanitary services  

Tuesday - Friday         

  • St Lawrence East – Phase 3A working easterly; Victoria Street Intersection
  • Commence Durham Street North; tentatively Friday

WILLOWLEE (SUB)

Tuesday - Friday

  • St Lawrence East – Davidson to Wellington; Topsoil placement & Fine Grading
  • Sodding scheduled to commence July 7th  

Monday – Friday

  • St Lawrence East – Phase 3B working easterly towards Concession Rd intersection

Monday – Tuesday

  • St Lawrence East – Phase 3A; Victoria / Gream Street Intersections

Wednesday – Friday

  • Durham Street North

WILLOWLEE (SUB)

  • Sodding scheduled to commence July 7th  

Monday – Friday

  •  St Lawrence East – Phase 4; Concession Road to East Limits
  • St Lawrence East – Phase 3A & B; Wellington Street to Concession Street (Curb, sidewalk prep, water service connections and fine-grading)

Monday – Friday

  • Durham Street North

CURBSIDE (SUB)

  • Curb scheduled to commence July 15th

Monday – Friday

  • St Lawrence East – Phase 4; Concession Road to East Limits
  • St Lawrence East – Phase 3A & B; Wellington Street to Concession Street (sidewalk prep, fine-grading, base asphalt)

Monday – Friday

  • Durham Street (Road Building)
  • Church Street

GIP (SUB)

  • Base Asphalt (Wellington to Park St) scheduled to commence July 23rd.

Monday – Friday 

  • Church St / Elgin St - expected to complete.  
  • St Lawrence East - Topsoil placement throughout 

 CURBSIDE (SUB)

  • St Lawrence East – Phase 3 , Phase 4 - Curbs. Stringline Monday , pour Tuesday 

Monday – Friday

  • Gream Street Reconstruction              
  • Site Landscaping, blvd grading, cleanup
  • Durham Street North – grading, prep for curb (new design required asap)

 CURBSIDE (SUB)

-              St Lawrence East / Church Street / Gream – Curbs

GIP (SUB)

Wednesday / Thursday

  • St Lawrence East Phase 4 – Base Asphalt to East Limits
  • Elgin Street
  • Driveways

Monday – Thursday (possibly no work Friday)

  • Durham Street North Grading
  • Site Landscaping, blvd grading, cleanup

 CURBSIDE (SUB)

  • Gream Street / Durham Street North – Curbs
  • Sidewalks Throughout – Tuesday / Wednesday      

GIP (SUB)

Monday

  • Driveways, Base asphalt – Church St / Gream St

Tuesday – Friday

  • Durham Street North Fine Grading
  • Site Landscaping, blvd grading, cleanup throughout

 GIP (SUB)

Tuesday

  • Driveways

Wednesday

  • Durham Street North; Base Asphalt

 CURBSIDE (SUB)

  • Various curb/sidewalk throughout (if they don’t complete everything today)

Monday

  • Site Landscaping, blvd remediation, curb stop / cleanout cap grading, general cleanup throughout

Tuesday - Friday (Pending completion of Locates)

  • Commence sidewalk removals , prep for various Sidewalk replacement throughout town

UPL Contracting (SUB)

Tuesday – Friday

  • Streetlight Luminaire Work throughout

Monday – Friday

  • Additional Sidewalk / Curb prep throughout town
  • Deficiency work / corrections for St Lawrence / Durham

CURBSIDE (SUB)

  • Tuesday: will be commencing concrete curb & sidewalk pours throughout town

NOTE:  GIP Paving is scheduled to commence Surface Asphalt paving on Durham Street / St Lawrence, September 30th (Weather Permitting).

CDS will begin distributing notices to businesses and residents, starting Monday next week.

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