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Baseline/Woodroffe Stormwater Management Pond Municipal Class Environmental Assessment and Functional Design

Notice of study commencement

The City of Ottawa has initiated a Municipal Class Environmental Assessment (Class EA) for a proposed Stormwater Management Facility at the northeast corner of Baseline Road and Woodroffe Avenue. A stormwater management pond was initially recommended in the Pinecrest Creek/Westboro Stormwater Management Retrofit Study (2011) and underwent further assessment in the Feasibility Study for a Surface Stormwater Management Facility at Baseline Road and Woodroffe Avenue (2015).

Location of proposed stormwater mangement pond [PDF 3.57 MB]

The Process

The study is being planned under Schedule B of the Municipal Class Environmental Assessment (October 2000, as amended in 2007, 2011, and 2015). In order to satisfy the requirements of the Class EA process, alternatives of the stormwater management pond will be confirmed, assessed and the process documented, considering the work already undertaken. The Class EA will identify a preferred alternative and functional design for the pond.

Consultation

Interested persons can provide comments at any time during the Class EA process. There will be opportunity for feedback through the City of Ottawa's website, ottawa.ca/baselinewoodroffepond. With the exception of personal information, comments received become part of the public record.

Information Session - May 17, 2017

May 17, 2017
6 to 9:00 p.m. Presentation at 7 p.m.
St. Paul High School
2675 Draper Avenue

By attending this information session, residents will be updated on how the City will address the community’s concerns related to the design and construction of the proposed stormwater management pond. Residents will be able to ask questions of staff and subject matter experts and hear more about the project’s next steps. This session is the last step in the public engagement process for this project.

The City of Ottawa has initiated this Municipal Class Environmental Assessment (Class EA) for a proposed stormwater management pond at the northeast corner of Baseline Road and Woodroffe Avenue. A stormwater management pond was initially recommended in the Pinecrest Creek/Westboro Stormwater Management Retrofit Study (2011) and underwent further assessment in the Feasibility Study for a Surface Stormwater Management Facility at Baseline Road and Woodroffe Avenue (2015).The proposed pond will provide water quality treatment and flow control for runoff from some 435 hectares that currently drain uncontrolled to Pinecrest Creek.

The study process is following the requirements of a Schedule B project under the Municipal Class EA and has identified a preferred alternative and functional design for the proposed pond.

Accessibility is an important consideration for the City of Ottawa. If you require special accessibility accommodation, please email your request before May 15, 2017. If you wish to have your name added to the mailing list or ask further questions, please contact:

Darlene Conway, P. Eng.
Senior Project Manager / Asset Management
e-mail: darlene.conway@ottawa.ca
613-580-2424 ext. 27611

Notice of online information session

November 3, 2016 to January 16, 2017

The City of Ottawa has initiated a Municipal Class Environmental Assessment (Class EA) for a proposed Stormwater Management Pond at the northeast corner of Baseline Road and Woodroffe Avenue. A stormwater management pond was initially recommended in the Pinecrest Creek/Westboro Stormwater Management Retrofit Study (2011) and underwent further assessment in the Feasibility Study for a Surface Stormwater Management Facility at Baseline Road and Woodroffe Avenue (2015).

The proposed pond will provide treatment and flow control for runoff from some 435 hectares that currently drains uncontrolled to Pinecrest Creek.

The pond is being planned under Schedule B of the Municipal Class Environmental Assessment and will identify a preferred alternative and functional design for the pond.

The questionnaire is now closed. The City would like to thank everyone who participated in the questionnaire.  The study team will review all comments and respond to any concerns or questions before the Class EA report is completed.

Online consultation - As we heard it

As We Heard it Report [ PDF 2.088 MB ]

Existing conditions and constraints

The following aspects of the site were studied:

  • Subsurface conditions (bedrock, surficial geology, groundwater)
  • Environmental contamination
  • Watercourses
  • Fluvial geomorphology
  • Fish and aquatic habitat
  • Wetlands and Areas of Natural and Scientific Interest (ANSI)
  • Natural terrestrial vegetation
  • Wildlife and habitat
  • Species at risk and critical habitat
  • Aboriginal land claims
  • Cultural heritage/archaeology
  • Public land ownership
  • Existing land use
  • Infrastructure networks
  • Recreation and pedestrian/cycling routes

Drainage map [ PDF 1.284 MB ]

This is an image of one of three landscape zones identified in the Study Area is considered.  Hay fields evolved into what is now grassy meadow with woody vegetation seeding from the surrounding residential development.  (City of Ottawa, 2015)

One of three landscape zones identified in the Study Area is considered. Hay fields evolved into what is now grassy meadow with woody vegetation seeding from the surrounding residential development. (City of Ottawa, 2015)

The existing conditions have been assessed and constraints and opportunities identified. The constraints and opportunities were then considered in developing and evaluating the options for the SWM pond and will influence its final design and construction.

This is an image of an isolated Butternut tree along the northern edge of the site is the only species at risk verified by field studies to date. (City of Ottawa, 2015)

An isolated Butternut tree along the northern edge of the site is the only species at risk verified by field studies to date. (City of Ottawa, 2015)

Constraints and Opportunities map [ PDF 1.444 MB ]

Options

In the 2011 Retrofit Study, three types of stormwater management measures were considered in the development of the SWM retrofit scenarios:

  1. Public and private lot level measures
  2. Conveyance measures
  3. End-of-pipe facilities

These measures were based on an analysis of the study area characteristics and the study objectives. The 2011 Retrofit Study recommended that an end-of pipe facility (SWM pond) be built on National Capital Commission (NCC) property at the northeast corner of Baseline Road and Woodroffe Avenue.

Through the 2015 Feasibility Study, the specifications and requirements for the proposed SWM pond were refined and two conceptual designs (Option 1 and Option 2) were developed and evaluated. The NCC reviewed the options and chose Option 1 as its preferred design.

Option 1 [ PDF 2.080 MB ]

Option 2 [ PDF 2.266 MB ]

Both pond options:

  • Maximize water quality and flood control benefits within the space available
  • Minimize negative impacts on adjacent residents
  • Mitigate frequent flow impacts on Pinecrest Creek
  • Integrate pathways

The Baseline/Woodroffe SWM pond will be designed and built in accordance with best management practices for:

  • Erosion and sediment control
  • Noise By-Law adherence
  • Spill control measures
  • Post-construction monitoring

In addition to implementing best management practices, the following site-specific mitigation measures will be incorporated in the detailed design and construction to reduce or eliminate potential negative effects:

  • Detailed geotechnical investigations
  • Landscaping plan
  • Public communications plan
  • Pedestrian detour / management plan
  • Traffic management plan
  • Hoarding and exclusionary fencing

This is an image of Reach 6 of Pinecrest Creek within the Study Area, parallel to Baseline Road.  While erosion is occurring along the eastern bank of this section of the creek for approximately 25 metres, the remainder of Reach 6 is well vegetated and stable, with no erosion, as shown in this photo. (City of Ottawa, 2015)

Reach 6 of Pinecrest Creek within the Study Area, parallel to Baseline Road. While erosion is occurring along the eastern bank of this section of the creek for approximately 25 metres, the remainder of Reach 6 is well vegetated and stable, with no erosion, as shown in this photo. (City of Ottawa, 2015)

Next steps

  • Choose the preferred option (fall 2016)
  • Prepare the Class EA report (fall 2016)
  • Environment Committee and City Council approvals (winter 2016)
  • 30-day public review of Class EA Report (winter 2016/early 2017)
  • Detailed design (2017)
  • Begin construction (2018/2019)

For further information or to provide comments, please contact:

Darlene Conway, P.Eng.
Senior Project Manager
City of Ottawa
110 Laurier Avenue West
Ottawa, ON, K1P 1J1
Phone: 613-580-2424, ext. 27611
Fax: 613-580-2578
Email: Darlene.Conway@ottawa.ca
ottawa.ca/baselinewoodroffepond

Notice of Public Meeting - January 9, 2017

January 9, 2017
6:30 to 8:30 p.m. – Presentation at 7 p.m.
Ben Franklin Place
101 Centrepointe Drive

The City of Ottawa has initiated a Municipal Class Environmental Assessment (Class EA) for a proposed stormwater management pond at the northeast corner of Baseline Road and Woodroffe Avenue. A stormwater management pond was initially recommended in the Pinecrest Creek/Westboro Stormwater Management Retrofit Study (2011) and underwent further assessment in the Feasibility Study for a Surface Stormwater Management Facility at Baseline Road and Woodroffe Avenue (2015).The proposed pond will provide water quality treatment and flow control for runoff from some 435 hectares that currently drain uncontrolled to Pinecrest Creek.

The study process is following the requirements of a Schedule B project under the Municipal Class and will identify a preferred alternative and functional design for the proposed pond.

At the meeting, a presentation will be provided covering the background to the project, existing conditions on the site, pond alternatives, and the preliminary preferred alternative. City staff and the study team will be on hand to answer questions and receive comments. 

Open House Display Boards 1 [ PDF 409 KB ]
Open House Display Boards 2 [ PDF 753 KB ]
Open House Display Boards 3 [ PDF 759 KB ]
Open House Display Boards 4 [ PDF 1.636 MB ]
Open House Display Boards 5 [ PDF 1.320 MB ]
Open House Display Boards 6 [ PDF 1.563 MB ]
Open House Display Boards 7 [ PDF 408 KB ]
Open House Display Boards 8 [ PDF 1.691 MB ]

Accessibility is an important consideration for the City of Ottawa. If you require special accommodation, please call or email the project lead below before the event.

If you wish to have your name added to the mailing list or have further questions, please contact:

Darlene Conway, P. Eng.
Senior Project Manager / Asset Management
City of Ottawa
Email: Darlene.Conway@ottawa.ca
613-580-2424 ext. 27611

Notice of Completion

Class Environmental Assessment Study Report Available for Review

The City of Ottawa has completed a Municipal Class Environmental Assessment (Class EA) Study for the construction of a stormwater management (SWM) pond at the northeast corner of Baseline Road and Woodroffe Avenue. The pond will provide treatment and flow control for runoff from some 435 hectares that currently drain uncontrolled to Pinecrest Creek.

The Baseline Woodroffe SWM pond was identified as a priority project in the Pinecrest Creek/Westboro SWM Retrofit Study (P/W Study), completed in 2011. The P/W Study was completed as a Master Plan under the Municipal Class EA process, identifying a preferred SWM retrofit plan composed of multiple projects. Prior to implementation, individual infrastructure projects recommended in the retrofit plan are required to complete additional Class EA requirements. For the Baseline Woodroffe SWM pond, the process for a “Schedule B” undertaking has been followed in accordance with the Municipal Class EA (2000), as amended 2007 and 2011.

A Class EA Study report has been prepared documenting the problem statement, existing conditions, evaluation of pond options and the selection of the preferred solution, public and agency consultation as well as potential construction impacts and mitigation measures.

The Report is available for public review at the following locations for a period of 30 calendar days, starting on July 6, 2017:

City Hall Client Service Centre
110 Laurier Avenue West
Ottawa ON K1P 1J1
Tel: 613-580-2400

Nepean Client Service Centre
101 Centrepointe Drive
Ottawa, ON K2G 5K7
Tel.: 613-580-2940

Interested persons should provide written comments within 30 calendar days from the date of this Notice to:

Darlene Conway, P. Eng.
Senior Project Manager, Infrastructure Planning
Planning, Infrastructure and Economic Development Department
City of Ottawa
110 Laurier Avenue West, 3rd Floor
Ottawa, ON K1P 1J1
Tel: 613-580-2424, ext. 27611
Email: darlene.conway@ottawa.ca

If concerns regarding this project cannot be resolved in discussion with the City of Ottawa, a person or party may request that the Minister of the Environment and Climate Change make an order for the project to comply with Part II of the Environmental Assessment Act (referred to as a Part II Order).  Requests must be received by the Minister at the address below by August 11, 2017. A copy of the request must also be sent to the City of Ottawa at the address listed above. If there are no requests received by Friday, August 11, 2017, the project will proceed to design and construction as presented in the Class EA Study.

Ministry of the Environment and Climate Change
The Honourable Glen R. Murray
77 Wellesley Street West, 11th Floor, Ferguson Block
Toronto ON, M7A 2T5
Tel: 416-314-6790
Fax: 416-314-6748

With the exception of personal information, all comments will become part of the public record. 

This Notice first issued on July 6, 2017.