3.0
INSTALLATION
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Installation of the DBI-SALA Roof Top Counterweight Anchor must be supervised by a Qualified Person
installation must be certified by a Competent Person
capable of supporting the potential forces that could be encountered during a fall.
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3.1
PLANNING: Plan your fall protection system prior to installation of the Roof Top Counterweight Anchor. Account for all
factors that may affect your safety before, during and after a fall. Consider all requirements, limitations and specifications
defined in Section 2 and Table 1.
Determine the proper location of the Roof Top Counterweight Anchor. It must be flat and at least 8 ft (2.5 m) away from
the edge of the structure, or any openings such as skylights, and as close as possible to the work area (Figure 7A).
3.2
INSTALLING THE Roof ToP CouNTERwEIGHT ANCHoR: The Roof Top Counterweight Anchor can be installed
on any roof meeting the anchorage requirements specified in Table 1. Sweep the installation location to remove loose
materials. To install the Roof Top Counterweight Anchor, (Figure 7):
1.
Lay out four Rubber Coated Base Weights on the flat surface. L-Bolts will be inserted through one of the two holes in
each of the base weights.
2.
Lift each base weight and, from the bottom of the weight, insert an L-Bolt through one of the two holes in each
weight. Alternate the direction of each L-bolt.
3.
Temporarily position the Roof Top Anchor on the base weights and L-Bolts to confirm that the L-Bolts are oriented
correctly in the base weights.
4.
Remove the Roof Top Anchor. Stack three additional weights on each base weight with the L-Bolts protruding through
the matching holes in each weight.
5.
Position the Roof Top Anchor on the L-bolts and weights. Make sure each L-Bolt passes through one of the mounting
holes in the Roof Top Anchor base plate.
6.
Add each layer of weights. A total of 20 weights are used in the Roof Top Counterweight Anchor. Each of the four
weight stacks will contain five weights (base weight plus four additional weights in each stack). Install a washer and
nut on each of the L-Bolts. Hand tighten all four nuts snugly.
4.0
USE
4.1
BEfoRE EACH uSE: Verify that your work area and Personal Fall Arrest System (PFAS) meet all criteria defined in
Section 2 and a formal Rescue Plan is in place. Inspect the Roof Top Counterweight Anchor per the 'User' inspection points
defined on the "Inspection and Maintenance Log" (Table 2). If inspection reveals an unsafe or defective condition, do not
use the system. Remove the system from service and destroy, or contact 3M regarding replacement or repair.
4.2
fALL ARREST CoNNECTIoNS: The Roof Top Counterweight Anchor is used with a Full Body Harness and Energy
Absorbing Lanyard or Self-Retracting Device (SRD). Connect the Lanyard or SRD between the D-Ring on the
Roof Top Counterweight Anchor and the back Dorsal D-Ring on the Harness as instructed in the instructions included with
the Lanyard or SRD.
IMPORTANT:
If the Roof Top Counterweight Anchor is subjected to the forces of arresting a fall, it must be removed
from the field of service immediately and replaced or inspected by an Authorized Capital Safety Representative.
5.0
INSPECTION
5.1
INSPECTIoN fREQuENCY: The Roof Top Counterweight Anchor must be inspected at the intervals defined in Section 1.
Inspection procedures are described in the "Inspection and Maintenance Log" (Table 2). Inspect all other components of
the Fall Protection System per the frequencies and procedures defined in the manufacturer's instructions.
5.2
DEfECTS: If inspection reveals an unsafe or defective condition, remove the Roof Top Counterweight Anchor from service
immediately and contact 3M regarding replacement or repair. Do not attempt to repair the Fall Arrest System.
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Authorized Repairs Only: Only 3M or parties authorized in writing my make repairs to this equipment.
5.3
PRoDuCT LIfE: The functional life of the Fall Arrest System is determined by work conditions and maintenance. As long
as the product passes inspection criteria, it may remain in service.
6.0
MAINTENANCE, SERVICING, STORAGE
6.1
CLEANING: Periodically clean the Roof Top Counterweight Anchor metal components with a soft brush, warm water, and
a mild soap solution. Ensure parts are thoroughly rinsed with clean water.
6.2
SERVICE: Only 3M or parties authorized in writing by 3M may make repairs to this equipment. If the
Roof Top Counterweight Anchor has been subject to fall force or inspection reveals an unsafe or defective conditions,
remove the system from service and contact 3M regarding replacement or repair.
6.3
SToRAGE AND TRANSPoRT: When not in use, store and transport the Roof Top Counterweight Anchor and associated
as meeting the criteria for a Certified Anchorage, or that it is
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