Footing Placement
Reviewed by a working tradesman with 17+ years in the field.
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The footing is the first concrete poured and the one every other part depends on. Place it evenly, keep the steel where it was set, and leave the surface level and clean.
Tap your level and the boxes below open to the advice for you. Remembered on this device.
By the end you can
- Run the footing checks that sit on top of the delivery checklist.
- Place and consolidate a footing without moving the steel.
- Screed to level and check dowels before the concrete sets.
- Protect the footing from cold, heat and loads while it gains strength.
Never enter an excavation 1.2 m (4 ft) or deeper unless it has been sloped, shored or boxed by a qualified person. Place from the edge or from the form tops whenever you can. Wet concrete burns skin, so wear gloves, long sleeves, tall waterproof boots and eye protection. Keep clear of the truck, chute and pump hose.
The big idea
The footing is the first concrete poured, and everything else sits on it. Place it evenly, keep the steel where it was set, and leave the surface level and clean. A footing needs to be level and correct, not pretty. Fixing one after it sets means chipping concrete.
Before you pour
Run the checklist on the Concrete Delivery & Preparation page, plus these footing checks.
- Width, depth and elevation match the drawings.
- Rebar, where required, is on supports with cover, and dowels are positioned.
- The bottom is undisturbed or compacted granular fill, level and free of organic material (Part 9: 9.15.3.2 and 9.12.1.1).
- No standing water (9.12.1.2) and nothing frozen (9.12.1.3). Never pour into mud, onto ice or onto frozen ground, because it thaws and settles.
- The required inspection is done and recorded.
Placing
- Start at the far end and work back toward the truck, or as the drawings direct.
- Place in even lifts. Do not dump in one spot and rake it along the form.
- Use shovels and rakes to move concrete, not the vibrator.
- Keep the rebar on its supports. Do not walk on it.
- Tap the forms lightly to release trapped air.
Example quantity. A strip footing 12 m (39 ft 4 in) long, 400 mm (15 3/4 in) wide and 200 mm (7 7/8 in) thick holds 12 × 0.4 × 0.2 = 0.96 m³ (1.26 yd³). The sizes are made up. Use the drawing, then add an allowance as on the Concrete Math page.
Consolidating
- Use an internal vibrator for deep or wide footings, or rod by hand for small residential ones.
- Insert the vibrator vertically and let its weight sink it to the bottom. Pull it out gradually with up-and-down motions so air can rise.
- Keep insertions evenly spaced, no more than about 1.5 times the vibrator's radius of action. Example: if the head works out to 300 mm (12 in), spacing is no more than 450 mm (18 in). Take the radius from the manufacturer.
- If you place in lifts, a trade article gives about 500 mm (20 in) as a maximum lift and about 150 mm (6 in) of penetration into the layer below. Follow the drawings and your engineer.
- Do not use the vibrator to push concrete sideways.
- Take care near dowels and anchor bolts so they do not shift.
The lift depth, penetration and spacing figures come from a trade article on using internal vibrators, not from a code. Treat them as practice and follow your engineer. Over-vibration is rare in practice, and under-vibration, which leaves voids, is the more common fault.
Screeding and finishing
- Screed off the form tops to level.
- Float lightly. The surface needs to be level, not smooth.
- Check dowel height and plumb, and anchor bolt templates, before the concrete sets.
- Check the elevation at several points before you leave.
Curing and protection
- Keep the concrete from drying out and from freezing.
- Protect the footing from loads and traffic until it has gained strength.
- Do not strip forms until the concrete is strong enough. The engineer or the drawings decide, because Part 9 does not set a stripping time that I could find.
When the air is below 5°C (41°F), Part 9 requires the concrete to be kept between 10°C and 25°C (50°F and 77°F) while mixed and placed, and at no less than 10°C (50°F) for 72 hours after placing, with no frozen material or ice in the mix (9.3.1.9). Some BC municipalities ask for a cold-weather proposal or written approval before you pour in these conditions. Check with your inspector.
Common mistakes
- Wrong elevation
- Rebar pushed to the bottom
- Voids from poor consolidation
- Segregation from moving concrete with the vibrator
- Forms moving
- Dowels or bolts shifting
- Placing on frozen or flooded ground
Check elevation at several points before you leave. Fixing a footing after it sets means chipping concrete.
Wet ground can make the base slump, cold ground can freeze the footing before it sets, and hot sun dries the top. Plan for the conditions before the truck is called.
Inspection usually happens before the pour (see Footing Forms), but the stages are set locally. Some municipalities inspect after the pour and stripping, before rock goes against the pads. After the pour, expect checks on elevation and that dowels are in position. Confirm the milestones with your building department.
A strip footing is 12 m long, 400 mm wide and 200 mm thick. How much concrete is that?
The ground in the trench bottom is frozen on pour morning. Do you pour?
You place in lifts. What lift depth does one trade article give as a maximum?
Your vibrator's radius of action is 300 mm (12 in). What spacing between insertions?
Why not use the vibrator to move concrete sideways?
The air is 3°C (37°F) on pour day. What does Part 9 require?
- Must-haveLayout and checking:
- Must-havePlacing by hand:
- Rent itPlacing by machine: a chute or pump hose
- Rent itConsolidating: a small internal vibrator
- Must-haveConsolidating small footings: a rod
- Must-haveScreeding:
- Must-haveConsumables:
- Must-havePPE:
Home DIY
Laborer or helper
1st-year apprentice
Apprentice, 2nd to 4th year
Journeyperson
Lead hand or foreman
Contractor or business owner
Starting a new business
NBC Part 9 puts footings on undisturbed soil, rock or compacted granular fill (9.15.3.2) and sets the cold-weather rule (9.3.1.9). Provinces adopt the code with changes, so check your edition. Frost depth (9.12.2.2) and inspection stages are set locally.
- BC: the Vancouver Building Bylaw 2014 prints the Part 9 text used above. The City of Vancouver inspects after formwork and before the pour. Confirm locally.
- SK: Saskatoon inspects footings after the pour and stripping, before rock goes against the pads. A city example from earlier research that I did not re-check.
- ON: notify the municipality when footings are ready to construct and at substantial completion of footings, before backfilling (OBC Division C 1.3.5.1). Confirm.
- Atlantic (NB, NS, PE, NL): NB, NS and PE require footing and foundation inspections before backfilling. Confirm frost depth and stages with your authority.
- AB, MB, QC, territories: frost depth and inspection stages are set locally. In permafrost areas get an engineer. Confirm with your local authority.
See Canada by Province for the full comparison.
- Vancouver Building Bylaw 2014, Division B, Section 9.3 (9.3.1.9 cold weather)
- Vancouver Building Bylaw 2014, Division B, Section 9.12 and Section 9.15 (excavation, frost and footings, as on the Footing Forms page)
- KB Engineering, How to use an internal concrete vibrator (trade article: lift depth, spacing, penetration)
- District of Mission, Cold weather construction requirements (BC municipal guide citing 9.3.1.9)
- CSA A23.1 is a paid standard and was not read directly. Provincial inspection items are carried over from earlier research.
- Quantity example is calculated and re-checked.
Last reviewed October 2026. General information, not engineering or legal advice.
