The federal page requires an enclosed chute when materials drop more than 20 feet to a point outside the exterior walls. Legal Information Institute prints that rule. California’s rule triggers a chute whenever waste is dropped outside the walls, unless the area is effectively protected by barricades, fences, or equivalent means, according to California Department of Industrial Relations.
Key takeaways
- The federal disposal rule sets a specific distance that triggers chute use. According to Legal Information Institute, whenever materials are dropped more than 20 feet to any point lying outside the exterior walls of the building, an enclosed chute of wood, or equivalent material, shall be used.
- This 20-foot measurement is the primary trigger for requiring an enclosed system rather than an open drop.
- Once the chute is in place, the angle of the chute determines the level of enclosure required. According to Legal Information Institute, all materials chutes, or sections thereof, at an angle of more than 45° from the horizontal, shall be entirely enclosed.
- The exception to this enclosure requirement is for openings equipped with closures at or about floor level for the insertion of materials.
- This 45-degree threshold is the specific angle that mandates full enclosure of the chute sections.
When a chute is required before debris is dropped
The federal standard sets a specific distance threshold for when an enclosed chute becomes mandatory. Under 29 CFR § 1926.252, an enclosed chute of wood or equivalent material must be used whenever materials are dropped more than 20 feet to any point lying outside the exterior walls of the building, according to Legal Information Institute. This rule applies specifically to the disposal of waste materials. The requirement is tied directly to the vertical distance of the drop and the location of the landing zone relative to the building structure. If the drop distance exceeds 20 feet and the debris lands outside the exterior walls, the chute requirement is triggered.
California’s approach differs in its trigger condition. The California Code of Regulations, Title 8, Section 1736 states that enclosed chutes shall be used whenever waste material is dropped to any point lying outside the exterior walls of the building, according to California Department of Industrial Relations. Unlike the federal rule, this text does not print a specific 20-foot distance trigger. Instead, it provides an exception: chutes are not required if the area is effectively protected by barricades, fences, or equivalent means. This means the decision in California depends on the presence of effective protection at the landing zone rather than a fixed measurement of the drop height.
The drop that triggers a chute
The federal rule sets a specific distance that forces the use of an enclosed chute. This 20-foot measurement is the trigger point for the federal requirement. If the drop distance exceeds this limit, the chute is mandatory. If the drop is shorter, this specific federal clause does not mandate the chute. The rule applies to materials dropped to points outside the exterior walls. It does not apply to drops that remain within the building footprint. The material of the chute is specified as wood or equivalent material. The enclosure is a required feature of the chute under this federal text.
California’s rule operates differently from the federal distance-based trigger. According to California Department of Industrial Relations, whenever waste material is dropped to any point lying outside the exterior walls of the building, enclosed chutes shall be used unless the area is effectively protected by barricades, fences or equivalent means. This California text does not print a 20-foot trigger. It does not specify a distance in feet that automatically requires a chute. Instead, it requires an enclosed chute for any drop outside the exterior walls, unless the area is effectively protected. The protection must be by barricades, fences, or equivalent means. If the area is not effectively protected, the chute is required regardless of the drop height. If the area is effectively protected, the chute may not be required. The California page does not mention the 20-foot number found in the federal text. It uses a condition-based approach rather than a distance-based approach.
Angle, enclosure, and the opening height
The federal rule for chutes in 29 CFR § 1926.852 states that all materials chutes, or sections thereof, at an angle of more than 45° from the horizontal, shall be entirely enclosed, except for openings equipped with closures at or about floor level for the insertion of materials, according to Legal Information Institute. This enclosure requirement applies specifically to the chute sections that exceed the 45-degree angle threshold relative to the horizontal plane. The exception allows for openings that have closures, positioned at or about floor level, which are used for inserting materials into the chute.
California Code of Regulations, Title 8, Section 1736. Disposal of Waste Material. mirrors this angle requirement. It specifies that all material chutes, or sections thereof, at an angle of more than 45 degrees from the horizontal, shall be entirely enclosed, except for openings equipped with closures at or about floor level for the insertion of materials, according to California Department of Industrial Relations. The language here is consistent with the federal text, identifying the same 45-degree angle from the horizontal as the point where full enclosure becomes necessary for the chute or its sections.
Regarding the dimensions of the openings permitted in these enclosed chutes, the federal page provides a specific height limit. The openings shall not exceed 48 inches in height measured along the wall of the chute, according to Legal Information Institute. This measurement is taken along the wall of the chute itself, defining the maximum vertical extent of the opening that allows material insertion.
The California page prints the identical measurement for these openings. The openings shall not exceed 48 inches in height measured along the wall of the chute, according to California Department of Industrial Relations. Both the federal and California sources agree on this 48-inch limit for the height of the openings measured along the chute wall.
When setting up the chute, verify that any section angled more than 45 degrees from the horizontal is fully enclosed. Check that the openings used for inserting materials are equipped with closures and are located at or about floor level. Measure the height of these openings along the wall of the chute to ensure they do not exceed 48 inches. Record the specific chute section angles and the measured opening heights in your daily log to confirm compliance with the enclosure and dimension rules. If a worker climbs to the chute opening, follow Portable ladder checks: 4 steps before climbing before the climb. If the drop area is near traffic, see High-visibility gear near traffic: 4 pages. If a dropped load injures someone, see Recordable jobsite injuries: 6 Federal Tests.
A filled reference table of the chute numbers
The following table lists the specific chute requirements printed by each publisher. Use this to verify which numbers apply to your site.
| publisher | drop or angle it prints | opening or guard number | any bumper it prints |
|---|---|---|---|
| Legal Information Institute | Drop more than 20 feet; angle more than 45° | Guardrail approximately 42 inches | None printed |
| Ohio Administrative Code | None printed | Guardrail approximately 42 inches | None printed |
| California Department of Industrial Relations | Angle more than 45 degrees; enclosed chute whenever waste is dropped outside the exterior walls unless barricades, fences, or equivalent means protect the area; no 20-foot trigger | 48 inches measured along the chute wall | Toeboard or bumper not less than 6 inches thick and 6 inches high |
| Washington State Legislature | Angle more than 45° | Openings must not exceed 48 inches; guardrail between 39 and 45 inches | Toeboard or bumper not less than 4 inches thick and 6 inches high |
Check the Legal Information Institute page for the 20-foot drop trigger. The Legal Information Institute page prints the 45-degree angle and 42-inch guard. The Ohio Administrative Code page prints the 42-inch guard. The California Department of Industrial Relations page prints the 45-degree angle, the 48-inch opening, and the 6-inch bumper. The Washington State Legislature page prints the 45-degree angle, 48-inch opening, 39-to-45-inch guard, and 4-inch bumper.
The guard and the bumper at the chute opening
The chute opening requires a substantial guardrail approximately 42 inches above the floor or other surface on which workers stand to dump material, according to Legal Information Institute. Ohio Administrative Code Rule 4123:1-3-19 states the opening is protected by a guardrail approximately forty-two inches (106.7 centimeters) in height, according to Ohio Administrative Code. These two sources specify the vertical protection needed at the point where workers stand.
When material is dumped from mechanical equipment or wheelbarrows, California Code of Regulations, Title 8, Section 1736 requires a securely attached toeboard or bumper, not less than six inches thick and six inches high, at each chute opening, according to California Department of Industrial Relations. Washington State Legislature WAC 296-155-785 mandates a securely attached toeboard or bumper, not less than 4 inches thick and 6 inches high, at each chute opening when material is dumped from mechanical equipment or wheelbarrows, according to Washington State Legislature. The bumper specifications differ between these two state sources in thickness.
Before the first load is dropped, check a federal or Ohio chute-opening guard at approximately 42 inches, and check a Washington chute opening for a standard guardrail between 39 and 45 inches. Verify the bumper thickness and height match the specific state regulation applicable to your site. Record the measured guard height and bumper dimensions in your daily log. Ensure the guardrail is substantial and the bumper is securely attached as specified by the relevant authority. Do not substitute one state's bumper specification for another's. Confirm the guardrail is installed at the correct height above the standing surface. Inspect the bumper for secure attachment before use. Note any deviations from the specified dimensions in your records.
Illustrative example of a 50-foot outside-wall drop
This walk-through uses round figures only and names no crew or product. Suppose waste will drop 50 feet to a point outside the exterior walls. 50 is more than 20, so the federal page's distance test calls for an enclosed chute. Suppose one chute section sits at more than 45 degrees from the horizontal. That section is entirely enclosed, except an opening with a closure at or about floor level. Suppose material will be dumped from a wheelbarrow. One page calls for a bumper not less than 6 inches thick and 6 inches high, and another calls for a bumper not less than 4 inches thick and 6 inches high. Use the page that governs the site, and write the measurement you actually took.
A blank line for today's chute check
Today, write the drop location, whether the chute is up, and which page you used.
| Drop location | Chute is up | Page used |
|---|---|---|
| Example: outside the exterior walls | Example: chute is up | Example: page used for the check |
FAQ about debris chutes
When does the federal page want a chute?
The federal regulation requires an enclosed chute whenever materials are dropped more than 20 feet to any point lying outside the exterior walls of the building, according to Legal Information Institute. This specific distance threshold is the trigger for using a chute of wood or equivalent material.
What angle must be enclosed?
Sections of materials chutes that sit at an angle of more than 45 degrees from the horizontal must be entirely enclosed, according to Legal Information Institute. The only exception is for openings equipped with closures at or about floor level for inserting materials.
How high is the guard?
On the federal page, any chute opening where workers dump debris must be protected by a substantial guardrail approximately 42 inches above the floor or other surface on which the men stand, according to Legal Information Institute. Ohio also prints a guardrail approximately forty-two inches (106.7 centimeters) high, according to Ohio Administrative Code. Washington prints a standard guardrail between 39 and 45 inches, according to Washington State Legislature.
What to write down today?
Record the drop location, whether the chute is currently in place, and the specific page you used for your check. This daily note keeps your site records aligned with the physical setup on the ground.