A fixed steel pipe bollard installs by excavating a 24- to 48-inch deep footing, setting the bollard plumb in the hole, pouring 4,000-psi concrete around it, and curing 24 to 72 hours before vehicle exposure. The optional concrete-fill inside the pipe changes the bollard's impact-failure mode and adds about $25 to $60 in materials per unit. Cojo set four 6-inch fixed steel pipe bollards at a Springfield warehouse loading dock in March 2026 using a 36-inch-deep poured footing, with concrete fill inside the pipe to handle forklift contact. This guide walks the install step by step.
For the broader install reference, see How to Install Bollards. For concrete-fill specifics, see Concrete-Filled Steel Pipe Bollards. For depth specs, see Bollard Foundation Depth.
What Tools and Materials Do You Need?
A fixed steel pipe bollard install requires:
- Steel pipe bollard, 4 to 8 inch diameter, length equal to above-grade height plus embedment (typical 60 to 84 inches total length)
- Post-hole digger or skid-steer with auger
- 4,000-psi pre-mixed concrete (60 to 80 lbs per bag, 4 to 8 bags per bollard)
- 5-gallon mixing bucket and mixing paddle, or wheelbarrow and shovel
- Tamping rod or rebar piece for vibration
- 4-foot bubble level
- 2x4 lumber for bracing
- Tape measure and chalk
- Personal protective equipment per OSHA 29 CFR 1926 standards
- Optional: concrete fill mix for inside the pipe
- Optional: rebar (#4 vertical bars) for additional reinforcement
The OSHA silica rule under 29 CFR 1926.1153 covers any concrete-cutting work but generally does not apply to a fresh excavation and pour. For excavations deeper than 5 feet, OSHA 29 CFR 1926 Subpart P trenching rules apply.
Step 1: Why Locate Utilities Before Digging?
Call 811 -- the Oregon Utility Notification Center -- at least 48 hours before excavation. Underground gas, electrical, water, sewer, telecom, and irrigation lines all show up where bollards typically go. Hitting any of them with an auger creates safety, repair, and liability problems that dwarf the bollard project.
Mark the bollard centerline with chalk after the locate is complete. Verify the markings against the locator's color-coded paint -- red for electric, yellow for gas, blue for water, green for sewer, orange for telecom.
Step 2: How Do You Excavate the Footing?
Footing depth depends on application. For a non-rated 36-inch above-grade bollard:
- Standard parking-lot: 24 inches deep, 12 inches across
- Loading dock or forklift zone: 30 to 36 inches deep, 18 inches across
- High-impact site: 36 to 48 inches deep, 24 inches across
A two-person manual dig with a post-hole digger takes 30 to 60 minutes per hole in standard soil. Skid-steer auger drills a 12- or 18-inch diameter hole in 5 to 10 minutes per hole.
The U.S. Federal Highway Administration Roadside Design Guide references typical bollard embedment depths and serves as one reference point for non-rated work. Manufacturer installation guides usually specify deeper footings.
Step 3: How to Set the Bollard Plumb
The bollard must sit plumb in the hole during the pour. Even minor lean before cure becomes permanent lean.
Center the Bollard
Place the bollard centered in the hole with 6 to 12 inches of pipe extending below the planned footing bottom. The pipe should bottom out into 4 to 6 inches of fresh concrete to lock the base.
Brace the Bollard
Drive 2x4 lumber stakes around the hole. Cut 2x4 cross-pieces and attach them between the stakes and the bollard above grade. Two cross-pieces at 90 degrees hold the bollard plumb during the pour.
Verify Plumb Twice
Check the bollard plumb on two perpendicular faces with a 4-foot level. Adjust the bracing as needed. The bollard should not move when nudged firmly with a hand.
Step 4: How Do You Pour the Concrete Footing?
4,000-psi concrete is the standard minimum for bollard footings. Higher strength concrete is acceptable but rarely necessary for non-rated work.
Mix the Concrete
Pre-mixed bags need 1 to 1.5 quarts of water per 60-lb bag. Mix to a workable but not soupy consistency -- a baseball-sized scoop should hold its shape when squeezed lightly.
Pour in Lifts
Pour 6 to 8 inches of concrete into the hole. Use a tamping rod or rebar piece to work air pockets out. Repeat until the hole is full to about 1 inch below grade.
Slope and Finish
Slope the top surface away from the bollard at about 1 inch over 6 inches. The slope sheds water away from the bollard-concrete interface, preventing freeze-thaw damage at the base. The American Concrete Institute ACI 318 covers minimum cover and curing requirements for structural concrete.
Step 5: When Should You Add Concrete Fill Inside the Pipe?
Concrete fill inside a steel pipe bollard changes the impact-failure mode. An empty pipe deforms by buckling along the length under impact; a filled pipe deforms locally at the strike point and absorbs more energy.
Add fill when:
- The bollard protects against vehicle impact above 5 mph
- The bollard is on a forklift route
- The bollard is on a storefront facing a parking lot
Skip fill when:
- The bollard is decorative or signage-only
- The bollard is on a pedestrian channelization line
- Cost reduction is a priority and impact rating is non-critical
For comprehensive concrete-fill discussion, see Concrete-Filled Steel Pipe Bollards.
How Do You Pour the Internal Fill?
Pour fill from the top of the pipe after the footing has set (typically next day). Use the same 4,000-psi mix. Tamp with a long rod to eliminate air pockets. Cap with a domed concrete top or weld a steel cap to shed water.
Step 6: How Long Does the Footing Have to Cure?
Cure times for 4,000-psi concrete:
- 24 hours -- light pedestrian traffic only, remove bracing
- 72 hours -- slow vehicle contact acceptable
- 7 days -- normal vehicle traffic
- 28 days -- full design strength
Cold-weather installs (below 50 degrees F) extend cure times by 50 to 100%. Active heating may be required below 32 degrees F.
What Code Compliance Issues Should I Watch For?
Three code references show up on most fixed bollard installs:
- ADA Section 307 protruding objects. The U.S. Access Board ADA Standards require bollards to be cane-detectable and not reduce accessible route widths.
- Local building code. Most Oregon jurisdictions require a permit for permanent bollard installations on commercial property.
- Storm drainage. Pour runoff cannot enter storm drains. EPA NPDES Construction Stormwater covers concrete-related discharge.
For the maintenance after install, see our bollard curb stop painting service guide. For Springfield-area work where Cojo handles industrial loading-dock installs, see Bollard Installation Springfield.
Get a Pro Install for Permanent Lines
Fixed steel pipe bollard installation is achievable for an experienced DIY installer with the right tools. For multi-bollard projects, K-rated work, or sites where uptime matters, a contractor crew with skid-steer auger, concrete pump, and code experience pays back the labor cost. Cojo installs fixed steel pipe bollards across Oregon using poured-footing methodology with optional concrete fill. Contact Cojo for a project-specific install quote.