Parsed SWM report

69 & 117 John Street

69 & 117 John Street – Functional Servicing & Preliminary Stormwater Management Report · New · 2024-10-16

Consultant: C.F. Crozier & Associates Inc. Engineer: Gamsa Sivanantham, P.Eng. / Mena Iskander, P.Eng. P.Eng sealed Model: OTHER Revision: Rev. 1
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
only some design storms documented
40%
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 (L/s)Post-dev (L/s)Δ
2-yr130.7
100-yr307.03138.15−55%
Stormwater controls (2)
Underground storageUnderground Stormwater Management Tank (P1 level)
Storage volume689.9 m³
Treatment volume689.9 m³
Outletorifice

225 mm orifice tube controls release to 117.63 L/s; storage required is 394.5 m3; storage provided is 689.9 m3; flows pumped to secondary manhole STM MH2 then through storm control manhole STM MH1

Oil-grit separatorJellyfish Filter (JF6-4-1)
Outletother

Installed upstream of storage tank; provides Enhanced Level (80% TSS removal); treats all runoff except roof runoff; offline configuration

Best management practices (7)
Underground stormwater storage tankJellyfish Filter (JF6-4-1)225 mm orifice tube flow controlWater reuse/irrigation for water balanceSilt fencingRock mud matSilt sacks on catchbasins
Site characteristics & report metadata
Project69 & 117 John Street – Functional Servicing & Preliminary Stormwater Management Report
Project typeNew
DeveloperCentracondos de la Montagne
Existing land usevacant
Proposed land usemixed-use residential with commercial
Site area1.87 ha
Water balance capture5.0 mm
TSS removal target80%
Allowable release rate142.1 L/s
Quality control methodJellyfish Filter membrane filtration (JF6-4-1) upstream of underground storage tank
Extraction audit
Confidence: high Completeness: 83% Source: 60-page PDF Extractor: PARCELFLOW v1 Validation: passed
Source PDF: functional-servicing-preliminary-stormwater-management-report-oz-opa-24-16-w7.pdf (60 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.