Div 31 · 3D Cut/Fill Earthwork, Trenching, Shoring & Erosion Control
Starting from CA$75 CAD
Excavation & Sitework Estimating
Existing-versus-proposed 3D cut and fill, swell and shrinkage, rock excavation, imported granular fill, trenching, shoring, erosion and sediment control, and excess-soil management.
Technical Overview
Earthwork bids are won on 3D terrain models that convert bank to compacted and loose volumes using geotechnical logs, topsoil stripping, over-excavation, dewatering and trench protection. We include provincial one-call locates, OHS trench requirements and excess-soil rules such as Ontario Regulation 406/19.
Governing Canadian Codes & Standards:
Provincial OHS trenching regulations Ontario One Call / BC 1 Call / Info-Excavation Ontario Regulation 406/19 (excess soil) Erosion and sediment control plans
Service Highlights
From CA$75 CAD / trade scope
- ✓ Turnaround: 24–48 hours
- ✓ Deliverables: Unlocked Excel BOQ + Marked PDF
- ✓ Proposal: Firm 15-minute response in business hours
- ✓ Confidentiality: Strict corporate NDA on request
Quantities Measured in Excavation & Sitework
- ▸ Foundation over-excavation, structural select import fill, compaction lifts & haul-off trucking
- ▸ Utility & footing trenching, provincial OHS trench-box shoring, rock ripping/hammering & dewatering
- ▸ SWPPP silt fence, inlet protection, rip-rap, hydroseeding, and segmental/CIP retaining walls
Common Bid Traps We Catch
- ⚠ Ignoring 15–25% soil swell on export truckloads or 12–18% compaction shrinkage on import structural fill
- ⚠ Subgrade lime/cement stabilization hidden in the geotechnical report rather than civil plan notes
- ⚠ Rock horizon depth and groundwater dewatering wellpoints near coastal or riverine sites
Sample Bill of Quantities
Representative Line Items for Excavation & Sitework
Every line item is delivered in an unlocked Excel sheet with formula-linked unit rates and Canadian code notes.
| CSI Code | Description | Unit | Sample Qty | Canadian Spec Notes |
|---|---|---|---|---|
| 31 23 16 | Mass Site Cut-to-Fill Grading with GPS Dozer, Scraper & Padfoot Compactor | m³ bank | 14,150 | 98% Standard Proctor lift compaction & moisture conditioning |
| 31 23 23 | Imported Granular B Type II Structural Fill (Placed & Compacted) | m³ compacted | 3,210 | Includes compaction factor & density testing coordination |
| 31 25 00 | Erosion & Sediment Control: Silt Fence, Mud Mat & Catch Basin Inserts | m | 1,035 | Includes inspections and maintenance until site stabilization |
Scope Coverage
Excavation & Sitework Sub-Services & Specialisations
Detailed quantity surveys available for every branch of this trade across Canada.
▪ Sitework Estimating
▪ Excavation Estimating
▪ Earthwork Estimating
▪ Grading Estimating
▪ Land Clearing Estimating
▪ Trenching Estimating
▪ Backfill Estimating
▪ Soil Removal Estimating
▪ Demolition Estimating
▪ Foundation Excavation Estimating
▪ Erosion Control Estimating
▪ Site Preparation Estimating
▪ Retaining Wall Estimating
Excavation & Sitework Takeoffs by Canadian Metro
Calibrated with indicative local labour factors and regional code amendments.
Toronto Excavation & Sitework Takeoffs (CA$90)
Montreal Excavation & Sitework Takeoffs (CA$80)
Vancouver Excavation & Sitework Takeoffs (CA$90)
Calgary Excavation & Sitework Takeoffs (CA$85)
Edmonton Excavation & Sitework Takeoffs (CA$85)
Ottawa Excavation & Sitework Takeoffs (CA$85)
All 25 Canadian Metros →
Bid Intelligence FAQ
Excavation & Sitework Estimating FAQ
Clear answers about our Canadian estimation deliverables, turnaround, software and fees.
How much do excavation & sitework estimating cost in Canada? ▼
Single-scope excavation & sitework takeoffs start from CA$75 CAD. Most commercial bid packages are quoted as guaranteed flat fees based on drawing sheet count and scope complexity with zero hidden add-ons.
What deliverables are included with a Excavation & Sitework estimate? ▼
Every package includes an unlocked, fully editable Microsoft Excel Bill of Quantities (BOQ) with all formula links intact, colour-coded marked-up PDF drawing layers, an unpriced vendor Bill of Materials (BOM) for supply house pricing, and a verified inclusions and exclusions sheet.
What software platforms and workflows do your excavation & sitework estimators use? ▼
Our estimators prepare takeoffs with industry-standard Canadian estimating and takeoff software. Deliverables are unlocked Microsoft Excel workbooks and colour-coded marked-up PDFs, so you do not need a software licence to review them.
How are Canadian codes and standards addressed in Excavation & Sitework? ▼
We cross-reference every line item against Canadian standards including Provincial OHS trenching regulations, Ontario One Call / BC 1 Call / Info-Excavation, Ontario Regulation 406/19 (excess soil), Erosion and sediment control plans, calibrating labour productivity and freight allowances to your project province and Forward Sortation Area (FSA).
Are my bid figures and drawings kept confidential? ▼
Your project is safe with us. We never share your drawings, pricing, or bid figures with any other contractor. An NDA is available on request — just ask and we will sign one before you share your plans.
Firm Flat-Fee Bid Proposal · 15-Minute Response
Get a 15-Minute Proposal for Your Excavation & Sitework Project
Upload your drawings now. Receive a firm, guaranteed flat fee starting from CA$75 CAD.
✓ 24–48h Turnaround
✓ Dual-Estimator QA Review
✓ Canadian Code & Currency (CAD)
✓ NDA on Request