772 Winston Churchill Boulevard — Parsed SWM Report

Credit scorecard — Oakville 2026 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.

✓Enhanced SWM (≥80% TSS)

Provincial Enhanced — exceeds Oakville minimums

50%

—Normal SWM (≥70% TSS)

Provincial Normal — meets baseline — not documented

—Basic SWM (≥60% TSS)

Provincial Basic — meets minimum — not documented

Net credit

Up to 50% for non-residential with SWM exceeding minimum design standards

50%

Pre vs post peak discharge

Storm event	Pre-dev (m3/s)	Post-dev (m3/s)	Δ
25Mm Extended Detention	0.014	0.013	−7%
2-yr 4-hr Chicago	0.076	0.043	−43%
5-yr 4-hr Chicago	0.148	0.105	−29%
10-yr 4-hr Chicago	0.203	0.138	−32%
25-yr 4-hr Chicago	0.266	0.162	−39%
50-yr 4-hr Chicago	0.348	0.18	−48%
100-yr 4-hr Chicago	0.428	0.196	−54%
2-yr 24-hr Scs	0.135	0.088	−35%
5-yr 24-hr Scs	0.209	0.129	−38%
10-yr 24-hr Scs	0.269	0.152	−43%
25-yr 24-hr Scs	0.358	0.182	−49%
50-yr 24-hr Scs	0.415	0.197	−53%
100-yr 24-hr Scs	0.5	0.208	−58%
Regional	—	1.602	—

Stormwater controls (4)

Underground storageStormTech Chambers MC-4500

Storage volume1,837.0 m³

Outletorifice

Outlet invert89.15 m

63mm orifice at elev 89.15 for extended detention; 260mm orifice at elev 91.80 for quantity control. Below ground storage chambers MC-4500.

Dry detentionSurface Dry Pond

Storage volume3,405.0 m³

Outletoverflow

Outlet invert93.80 m

100-yr HGL93.39 m

Located at southeast corner of site. Emergency overflow weir 21.0m wide at elev 93.80 directing flow to Clearview Creek channel.

Underground storageSurface Ponding - Loading Dock Area

Storage volume820.0 m³

Outletoverflow

Outlet invert94.00 m

100-yr HGL93.58 m

Surface ponding in loading dock area between Building A and Building B. Max ponding depth 0.08m during 100yr 24hr SCS storm. Secondary 5.0m emergency overflow weir.

Oil-grit separatorJellyFish JF12-20-5 Units (x3 in parallel)

Outletother

Three JellyFish JF12-20-5 units in parallel providing 80% TSS removal. Located immediately upstream of storm outlet. ETV certified. Sized for 11.92 ha at 85% imperviousness.

Best management practices (12)

StormTech MC-4500 underground storage chambersSurface dry pondSurface ponding in loading dock areaJellyFish JF12-20-5 OGS unitsExtended detention (25mm storm over 48 hours)Controlled flow roof drainsEmergency overland spillwaySilt fencesTemporary sediment basinDiversion swalesInlet protection devicesSediment traps

Site characteristics & report metadata

Project772 Winston Churchill Boulevard - Fengate Industrial Development

Project typeNew

DeveloperFengate Asset Management

Existing land usevacant

Proposed land useindustrial warehouse

Site area15.59 ha

Water balance capture25.0 mm

TSS removal target80%

Allowable release rate14.0 L/s

Quality control methodThree parallel JellyFish JF12-20-5 oil-grit separator units providing 80% TSS removal, located offline immediately upstream of storm outlet

Extraction audit

Confidence: high Completeness: 92% Source: 153-page PDF Extractor: PARCELFLOW v1 Validation: passed

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.