Parsed SWM report

25 Hillcrest Avenue and 3154 Hurontario Street

25 Hillcrest Avenue and 3154 Hurontario Street · Redevelopment · 2022-05-12

Consultant: Urbantech Consulting, A Division of Leighton-Zec West Ltd. Engineer: Steven Hader P.Eng sealed Model: VisualOTTHYMO
Credit scorecard — Mississauga bylaw

Each category awards a maximum percentage of the annual stormwater charge as credit. Evidence is extracted directly from the source PDF — no manual review.

—Peak Flow
discharge reduction — not documented
0%
✓Water Quality
TSS removal 80% (enhanced)
30%
✓Runoff Volume
water balance retains 5 mm on site (2% per mm, max 30% at 15 mm)
30%
✓Operations
BMPs + P.Eng present; sub-credit detection pending — full 20% requires explicit O&A items
20%
Net credit
Capped at 50% of annual stormwater charge
50%
Pre vs post peak discharge
Storm eventPre-dev (m3/s)Post-dev (m3/s)Δ
2-yr 24-hr0.1770.177+0%
2-yr 24-hr0.0770.077+0%
Stormwater controls (5)
Underground storageTank 1 (Phase 1)
Storage volume489.0 m³
Outletpipe

Located in south-east corner of Phase 1 within P1 level of underground parkade. Connects to 600 mm concrete storm sewer on Hillcrest Avenue via 375 mm connection. May require pump.

Underground storageTank 2 (Phase 2)
Storage volume200.0 m³
Outletpipe

Located in south-west corner of Phase 2 within P1 level of underground parkade. Connects to existing MH4 on Hillcrest Avenue via 300 mm connection. May require pump.

Oil-grit separatorOGS 1 (EFO6)
Surface area1.510 ha

Stormceptor EFO6 unit. 80% TSS removal efficiency. Located upstream of Tank 1 in parking garage.

Oil-grit separatorOGS 2 (EFO4)
Surface area0.630 ha

Stormceptor EFO4 unit. 82% TSS removal efficiency. Located upstream of Tank 2 in parking garage.

Rainwater harvesting / reuseSump Storage / Water Re-use
Storage volume68.0 m³
Outletother

68 m3 of sump storage within storage tanks to retain first 5 mm of runoff for irrigation or re-use from 1.36 ha of site not directed to landscaped areas.

Best management practices (5)
Oil Grit Separator (Stormceptor EFO6)Oil Grit Separator (Stormceptor EFO4)Underground Storage TanksLandscaped areas with planting media for stormwater retentionSump storage for water re-use/irrigation
Site characteristics & report metadata
Project25 Hillcrest Avenue and 3154 Hurontario Street
Project typeRedevelopment
Developer33HC TAS LP, 33HC Corp., 3168 HS LP and 3168 HS Corp.
Existing land usecommercial and surface parking
Proposed land usemixed-use residential, commercial, retail, community centre with underground parking
Site area2.14 ha
Water balance capture5.0 mm
TSS removal target80%
Quality control methodOil Grit Separator (Stormceptor) upstream of underground storage tanks
Extraction audit
Confidence: high Completeness: 92% Source: 55-page PDF Extractor: PARCELFLOW v1 Validation: passed
Source PDF: W7_33_3154_Functional_Servicing_and_Storm_management_Report_May_2022.pdf (55 pages) Open source PDF →
Starter package
Download credit application package »
10-page PDF: pre-filled Form 2703, starter P.Eng report skeleton, submission checklist. Engineer reviews, adds site inspection + O&M plan, certifies + submits.
Download PDF »

How to read this page. Every value above was extracted from the source PDF by the PARCELFLOW report parser, which combines a layout-robust template detector with a validated extraction stage tuned to Ontario Functional Servicing and Stormwater Management reports. The four-category scorecard maps the parsed evidence onto Mississauga's credit bylaw. Numbers are estimates — engineering review still required before submitting a formal credit application to the City.