Collective Protection. Wide Coverage.
OSHA 1926.502(c) and ANSI A10.11 compliant safety net systems for large-area fall arrest on Philippine construction sites.
When Safety Nets Are the Right Choice
Safety nets are the preferred collective fall protection when guardrails are impractical — large open floor decks, multi-level formwork operations, bridge construction, and high-rise perimeter work. They arrest a falling worker without requiring any personal PPE, and they catch falling tools and debris that could injure workers below. Under OSHA 1926.502(c), nets must be installed as close as practicable under the working surface and never more than 30 feet below.
Specifications
Net Specifications
| Specification | Requirement | Detail |
|---|---|---|
| Mesh Size | Maximum 6 inches × 6 inches (OSHA) or per ANSI A10.11 | Prevents workers from passing through the net opening |
| Border Rope | Minimum 5/8 inch diameter, 5,000 lb breaking strength | Perimeter rope that transfers loads to support structure |
| Drop Test | 400 lb bag dropped from maximum fall height — net must not break or deflect to within 2 ft of structure below | Required before first use and after any repair |
| Installation Clearance | Minimum clearance below net: 8 ft for nets within 5 ft of work surface; 13 ft for nets 5–10 ft below; 17 ft for nets 10–30 ft below | Ensures net deflects fully without contact with lower structure |
| Horizontal Extent | Extend minimum 8 ft beyond edge of work surface on all sides | Catches workers who fall outward from the edge |
Installation
Installation Process
Pre-Installation
Structural analysis of support points — beams, columns, or dedicated net support frames. Verify load capacity for net weight + dynamic fall arrest load.
Day 1
Install support structure or verify existing structural members. Install net attachment hardware (shackles, wire rope, or net rings).
Day 1–2
Unfurl and attach net panels. Connect border ropes to support points at maximum 6-foot intervals.
Day 2
Perform drop test with 400 lb sandbag. Document test results. Inspect all connections and net fabric.
Ongoing
Remove debris daily. Inspect after any fall event. Repair or replace damaged sections before returning to service.
Maintenance
Inspection & Maintenance
Daily
Remove debris and tools from net surface. Check for visible tears, cuts, or UV degradation.
Weekly
Inspect all border rope connections and support attachments. Check net fabric for damage exceeding 2 inches.
After Fall Event
Remove net from service immediately. Inspect entire net and all connections. Perform new drop test before returning to service.
Quarterly
Full documented inspection by certified safety professional. UV degradation assessment. Replace nets showing more than 10% strength loss.
Annual
Laboratory tensile testing of net samples. Replace nets that fail to meet 5,000 lb border rope or mesh strength requirements.
Free Resource
Safety Net Inspection Checklist
We'll email you the complete safety net inspection checklist — covering daily debris removal, weekly connection checks, post-fall inspection protocol, and drop test requirements.
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Checklist Preview
Net extends 8 ft beyond all work edges
Measure from edge to net border rope
Net installed within 30 ft below work surface
OSHA 1926.502(c) maximum distance
Border rope: minimum 5/8 in. diameter
Check for fraying, cuts, or abrasion
Mesh size: maximum 6 in. × 6 in.
No openings larger than specification
All support connections tight and undamaged
Shackles, wire rope, and net rings
Drop test certificate current
Required before first use and after any fall event
+ more items in the full checklist
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