Frontline HLK1004 4-Person 100 ft Adjustable Horizontal Lifeline Kit with 6′ Anchor Straps
The complete kit for protecting up to four workers along a 15′ to 100′ edge. One length of high-strength 5/8″ kernmantle rope, an integrated aluminum and stainless steel pulley and tensioner with a swiveling tension indicator, four steel O-ring mobile anchors, two pass-through carriage anchors that let users cross without disconnecting, two 6′ cross-arm anchor straps, a 0.944″ (24 mm) tensioning spanner, two locking carabiners, and a heavy-duty carry bag with built-in rope storage. Built for commercial roofing crews, steel erectors, formwork teams, HVAC and solar installers, and any crew that needs a fast, reusable, multi-user horizontal lifeline that travels with the work.
5,620 lb minimum breaking strength. 4 simultaneous users. 130 to 310 lb worker capacity. 20.5 lb total system weight.
Why Crews Choose the HLK1004 4-Person Horizontal Lifeline Kit
One Line, Four Workers, 100 Feet
A single-span horizontal lifeline that adjusts from 15′ up to 100′ and supports four simultaneous users. No intermediate anchors, no sectioning the rope, no separate setups for each worker. The four steel O-rings and the pass-through carriages slide along the line so crews move freely with the work.
Tool-Light Tensioning You Can See
The integrated aluminum and stainless steel tensioner takes one tool to set: a 0.944″ (24 mm) open-end spanner, included. Once the tension indicator plate spins freely, the line is at correct working tension. No torque wrench, no calibration, no recalculation between spans.
Packs Into the Bag It Came In
The whole system fits in a single carry-handle bag: rope, tensioner, four O-rings, two 6′ cross-arm anchor straps, the spanner, and two locking carabiners. The bag doubles as a rope-storage container during use, keeping the unused length protected from cuts, abrasion, and contaminants while the crew works.
What’s in the HLK1004 Kit
Built for the Crews That Work at Height
Commercial Roofing Crews
Edge protection across long flat-roof perimeters during reroofing, TPO and EPDM welding, gravel removal, parapet inspection, and tear-off work.
Steel Erectors and Ironworkers
Connection points along structural beams during decking, plumb-up, and bolt-up where permanent anchors are not yet in place.
Solar Panel Installers
Long array runs across commercial flat roofs and warehouse rooftops where multiple installers need protection on a single line.
HVAC and Mechanical Techs
Rooftop unit installation, ductwork, and chiller maintenance where two or three techs share the same work zone for hours.
Formwork and Concrete Crews
Leading-edge protection during deck pours, slab edge work, and shoring removal on multi-story commercial construction.
Bridge, Demo, and Tower Crews
Span work where conventional fixed anchors are not feasible and crews need to relocate the lifeline as the work progresses.
⚠ Verify Anchor Capacity Before Installation
The structure at both anchors must be capable of withstanding an impact load of at least 5,000 lbs in fall arrest, or 3,375 lbs in restraint, verified by a Qualified Person. The HLK1004 is a Type C single-span anchor device. Intermediate or corner anchors are not supported in this configuration. Plan the work area so the lifeline runs above the user’s head with the anchors as close to in-line with the work as possible to minimize swing-fall hazards. Call 863-703-4522 for help validating an anchor structure before you order.
HLK1004 Horizontal Lifeline Specifications
| Specification | Value |
|---|---|
| Model | HLK1004 |
| Anchor Type | Type C (Flexible / Horizontal Anchor Line) |
| Minimum Breaking Strength | 5,620 lbs |
| Span Coverage | 15′ minimum, 100′ maximum (single span) |
| Maximum Users | 4 simultaneous users (Personal Fall Arrest or Restraint) |
| User Capacity | 130 to 310 lbs per worker (including clothing, tools, and equipment) |
| Required Anchor Strength | 5,000 lbs minimum (Fall Arrest) · 3,375 lbs minimum (Restraint) |
| Rope | 5/8″ (16 mm) kernmantle rope, virgin synthetic fiber, contrasting sewing thread |
| Tensioner / Pulley | Aluminum and stainless steel, highly corrosion resistant, integrated swiveling tension indicator |
| Mobile Anchor Points | 4 high-strength steel O-rings · pass-through carriages for crossing without disconnecting |
| Anchorage Connectors | Includes (2) 6′ cross-arm anchor straps and (2) locking carabiners |
| End Connector | Swivel brass connector to prevent rope twisting and tangling |
| Tensioning Tool | 0.944″ (24 mm) open-end spanner, included |
| System Weight | 20.5 lbs ± 0.2 lbs |
| Carry Bag | Padded duffel-style bag with carry handles and integrated rope storage |
| Estimated Service Life | 10 years from date of manufacture (subject to inspection results) |
| Compliance | OSHA · ANSI Z359.1-2007 · EN 795:2012 Type C · CEN/TS 16415:2013 Type C |
| Use Class | Personal Fall Arrest System (PFAS) anchorage connector or Restraint System anchorage |
How to Install the HLK1004 Horizontal Lifeline in 8 Steps
- Verify both anchor structures can support a minimum 5,000 lb impact load (3,375 lbs for restraint-only use), as confirmed by a Qualified Person. Plan the work zone so the lifeline runs overhead and as close to in-line with the work as possible to eliminate swing-fall hazards.
- Install the rope into the tensioner. Loosen the housing-cover knob, slide the cover plate open, route the rope around the pulley, then realign the cover plate over the spacer and re-tighten the knob fully.
- Clip the swivel connector at one end of the lifeline to the first anchor point with a locking carabiner. Where no fixed anchor exists, wrap one of the included 6′ cross-arm straps around a structural beam to create one.
- Clip a locking carabiner through the eye of the tension indicator on the opposite end and connect it to the second anchor point.
- Pull the slack out of the rope by hand and confirm the rope is seated correctly in the groove of the pulley.
- Use the included 0.944″ (24 mm) open-end spanner on the tensioner nut to tension the line. The tension indicator plate will spin freely once the correct working tension has been reached. That is the visual confirmation that the system is ready for use.
- Connect each worker’s compatible PFAS (full-body harness with shock-absorbing lanyard or self-retracting lifeline) to one of the four steel O-rings or to a pass-through carriage that slides along the line. Maximum one worker per connection point.
- To uninstall, push the lock backward to release, allow the rope to loosen, disconnect both anchors, inspect every component for damage, wear, corrosion, or fiber separation, and stow the entire system back in the carry bag.
Use Limits to Read Before Each Job
The HLK1004 must never be used simultaneously for fall arrest and restraint. Pick one configuration for the day’s work and make sure every connected worker uses the same one. Maximum one attachment per O-ring or pass-through carriage. The horizontal anchor line and both anchor points must be above the user’s head, and crews must work as close to in-line with the anchors as possible. After any fall-arrest event, the entire system must be removed from service immediately and inspected by the manufacturer or a manufacturer-approved repair entity.
Stuck on installation, anchor sizing, or fall clearance? Talk to a Frontline-trained fall protection specialist before you order. Most calls are answered live during business hours.
863-703-4522Horizontal Lifeline Deflection Chart by Span and Number of Users
Use the table below to calculate fall clearance for your specific span and user count. Total clearance must include line deflection plus lanyard length, energy absorber extension, worker height, and a minimum safety factor as described in the worked example below.
| Span Length | 1 User | 2 Users | 3 Users | 4 Users |
|---|---|---|---|---|
| 15 ft | 3.87 ft | 4.30 ft | 3.87 ft | 3.87 ft |
| 20 ft | 4.33 ft | 4.82 ft | 4.36 ft | 4.36 ft |
| 25 ft | 5.28 ft | 5.91 ft | 5.31 ft | 5.31 ft |
| 30 ft | 5.74 ft | 6.43 ft | 5.81 ft | 5.81 ft |
| 35 ft | 6.69 ft | 7.51 ft | 6.76 ft | 6.76 ft |
| 40 ft | 7.15 ft | 8.04 ft | 7.25 ft | 7.25 ft |
| 45 ft | 8.07 ft | 9.09 ft | 8.20 ft | 8.20 ft |
| 50 ft | 8.56 ft | 9.65 ft | 8.69 ft | 8.69 ft |
| 55 ft | 9.48 ft | 10.70 ft | 9.65 ft | 9.65 ft |
| 60 ft | 9.94 ft | 11.22 ft | 10.14 ft | 10.14 ft |
| 65 ft | 10.89 ft | 12.30 ft | 11.12 ft | 11.12 ft |
| 70 ft | 11.35 ft | 12.83 ft | 11.58 ft | 11.58 ft |
| 75 ft | 12.30 ft | 13.95 ft | 12.56 ft | 12.56 ft |
| 80 ft | 12.76 ft | 14.44 ft | 13.02 ft | 13.02 ft |
| 85 ft | 13.68 ft | 15.49 ft | 14.01 ft | 14.01 ft |
| 90 ft | 14.14 ft | 16.01 ft | 14.50 ft | 14.50 ft |
| 95 ft | 15.06 ft | 17.06 ft | 15.49 ft | 15.49 ft |
| 100 ft | 15.52 ft | 17.59 ft | 15.98 ft | 15.98 ft |
Worked Example: 50 ft Span with 2 Workers
Reference values are pulled directly from Figure 10 of the Frontline HLK1004 user instruction manual for a 6 ft (2 m) shock-absorbing lanyard. Use our free fall protection calculator to model your specific span, lanyard length, and anchor height before installation. A Qualified Person must verify the required fall clearance for the specific harness, lanyard, anchor height, and obstruction profile on each job before the system is placed in service.
OSHA, ANSI Z359.1, and EN 795 Type C Compliance
United States
- OSHA 29 CFR 1926 Subpart M, construction fall protection
- OSHA 29 CFR 1910, general industry fall protection
- ANSI Z359.1-2007, safety requirements for personal fall arrest systems, subsystems, and components
- Tested and certified by SATRA Technology Centre (UK Notified Body 2777)
International and CE
- EN 795:2012 Type C, European standard for flexible horizontal anchor lines
- CEN/TS 16415:2013 Type C, multi-user anchor device requirements (up to 4 simultaneous users)
- Ongoing assessment by SGS United Kingdom Ltd (Notified Body 0120)
- Suitable for projects requiring CE-marked horizontal lifeline anchorage
SATRA Independent Lab Certification to EN 795 Type C
SATRA Technology Centre Ltd, Kettering, United Kingdom
The HLK1004 was independently tested and certified by SATRA Technology Centre, an internationally accredited PPE testing laboratory and EU Notified Body, to the full requirements of EN 795:2012 and CEN/TS 16415:2013 as a Type C multi-user horizontal anchor device.
Tests passed: EN 795 General §4.1 · Materials §4.2 (corrosion resistance to ISO 9227 neutral salt spray, virgin synthetic rope fiber declaration) · Design and Ergonomics §4.3 · Type C Anchor Deformation Test §4.4.3.1 · Single-Span and Multi-Span Dynamic Strength and Integrity Test §4.4.3.3 / 4.4.3.4 (5 m and 25 m spans, 100 kg and 200 kg test masses, residual 600 kg held for 3 minutes) · Type C Static Strength Test §4.4.3.5 (21 kN sustained for 3 minutes) · Mobile Anchor Point Retention §4.4.3.6 · CEN/TS 16415 Multi-User Dynamic Strength §4.2.3.1 (residual 900 kg held for 3 minutes simulating 4 users) · Maximum Anchor Load Below 50% Rope Breaking Strength §4.2.3.2 · CEN/TS 16415 Static Strength §4.2.3.4. All required tests across multiple span and user configurations returned PASS results.
HLK1004 Submittal Documents and Spec Sheets
| Document | Description | Download |
|---|---|---|
| Frontline HLK1004 Spec Sheet | Manufacturer specification sheet covering design specifications, features, materials, system layout, and applicable standards for the Frontline HLK1004 4-Person 100′ Adjustable Horizontal Lifeline System. | Download |
| Frontline HLK1004 Independent Test Report | SATRA Technology Centre third-party test report (SPC0235816 / 1525 Issue 4 Extension 1, dated 5 December 2018) certifying the Frontline HLK1004 to EN 795:2012 Type C and CEN/TS 16415:2013 Type C, including single-span and multi-span dynamic strength tests, residual strength tests, static strength tests, and corrosion resistance results. | Download |
| Frontline HLK1004 User Instruction Manual | Complete user instruction manual for the Frontline HLK1004 4-Person Horizontal Lifeline System, including installation steps, deflection chart by span and user count, fall clearance calculations, inspection requirements, training and worker classifications, maintenance and storage, and the multi-year inspection log for record-keeping. | Download |
HLK1004 Horizontal Lifeline Frequently Asked Questions
How many workers can use the HLK1004 horizontal lifeline at the same time?
Up to four workers can be connected to the Frontline HLK1004 simultaneously. The system was independently tested by SATRA Technology Centre to CEN/TS 16415:2013 Type C with a 200 kg dynamic test mass and a 900 kg residual load held for three minutes, the multi-user requirement for a 4-person lifeline. Each worker connects to one of the four steel O-rings or to a pass-through carriage, with at most one worker per connection point.
What span lengths does the HLK1004 cover?
The HLK1004 is adjustable from 15 feet up to 100 feet on a single span. The integrated tensioner takes up the slack and maintains proper line tension at any length within that range, so one kit covers everything from a short equipment-platform run to a full 100-foot perimeter without changing components. Intermediate or corner anchors are not supported in this single-span configuration.
What anchor strength do I need at each end of the HLK1004?
Each extremity anchor must support a minimum 5,000 lb impact load for fall-arrest applications, or 3,375 lbs for restraint-only applications. The receiving structure must be a fully cured structural part of the building and must be verified by a Qualified Person before use. The two included 6 ft cross-arm anchor straps allow you to wrap a beam, column, or other structural member where no fixed anchor exists. Call 863-703-4522 if you would like help validating an anchor structure.
How do I know the HLK1004 line is properly tensioned?
The tensioner has a built-in swiveling indicator plate. Apply the included 0.944-inch (24 mm) open-end spanner to the tensioner nut and turn until the indicator plate spins freely. That is the visual cue that the lifeline has reached the correct working tension. No torque wrench, calibration, or recalculation is required between spans.
Is the HLK1004 OSHA-, ANSI-, and EN 795-compliant?
Yes. The Frontline HLK1004 meets the requirements of OSHA 29 CFR 1926 Subpart M, OSHA 29 CFR 1910, ANSI Z359.1-2007, EN 795:2012 Type C, and CEN/TS 16415:2013 Type C. It was independently tested and certified by SATRA Technology Centre (UK Notified Body 2777) under report reference SPC0235816 / 1525 Issue 4 Extension 1, dated 5 December 2018, with ongoing assessment by SGS United Kingdom Ltd (Notified Body 0120).
Can I use the HLK1004 for both fall arrest and restraint?
The HLK1004 supports either fall-arrest or restraint applications, but not both simultaneously. Pick one configuration for the day’s work and ensure every connected worker uses the same one. In restraint mode, the system prevents workers from reaching the leading edge, and no free fall is permitted. Always account for the fully deployed length of every lanyard or self-retracting lifeline on the line.
What other equipment do I need to use the HLK1004?
The HLK1004 is the anchorage connector portion of a complete fall protection system. Each user also needs a Frontline full-body harness (ANSI Z359.11 compliant), a connecting subsystem, either a shock-absorbing lanyard or a self-retracting lifeline (SRL), compatible locking snap hooks or carabiners, and a documented rescue plan. Call 863-703-4522 if you would like a complete 4-person system built around your specific span and job conditions.
How long does the HLK1004 last, and how often does it need to be inspected?
The estimated service life is 10 years from the date of manufacture, subject to inspection results. The user must inspect the entire system before every use, looking for damage, corrosion, deformation, fiber separation, illegible labels, and proper function of the tensioner, hockey, lock, pulley, and indicator plate. A Competent Person other than the user must conduct a documented, thorough inspection at least every six months. The user manual includes a full inspection checklist and a multi-year inspection log. Any system subjected to a fall-arrest event must be removed from service immediately.
How do I calculate fall clearance for the HLK1004 horizontal lifeline?
Fall clearance for a horizontal lifeline is the sum of five values: static line deflection (from the deflection chart on this page), length of the lanyard or self-retracting lifeline, energy absorber extension, height of the worker from the harness D-ring to the feet, and a minimum safety clearance buffer. For a 50 ft span with two users on a 6 ft shock-absorbing lanyard, the Frontline HLK1004 manual reference values indicate a total clearance of 24.67 ft below the anchor. Use our free fall protection calculator above to model your specific span, lanyard, and anchor height before installation. A Qualified Person must verify the required clearance for every job.
What is the difference between a Type C horizontal lifeline and a Type A anchor?
A Type A anchor (such as a parapet anchor or roof anchor) is a single fixed point. A Type C anchor, like the HLK1004, is a flexible horizontal anchor line stretched between two extremity anchor points, allowing the user to move horizontally along the line while remaining connected. Type C lifelines are the standard solution for protecting workers along long edges, leading edges, ridgelines, and span work where a single fixed anchor cannot cover the work area.
Talk to a Fall Protection Specialist Before You Order
Free system design built around your specific span, anchor structure, and crew size. Same-day shipping on in-stock orders.
863-703-4522
