Installation Guide

CVGRailings spigot baseplate is about 4” diameter. With this, we have come up with the
following:
We are specifying an adhesive anchor system by HILTI: 3/8” diameter HIT-Z anchor, with their
HY200-R adhesive. Effective embedment = 2 3/8”. HILTI has many anchors and it is important
that they use this exact anchor. We have attached the HILTI report that describes this design. It
is important that they closely follow the installation steps, especially the hole preparation: the
most common failure mechanism is a lack of bond between the adhesive and the concrete
because the installer did not remove all dust within the hole before injecting the adhesive. A
lack of correct preparation will void these calculations and HILTI’s support of their anchor. This
is important.
This design assumes a 3.15” spacing between anchors, into a concrete slab. Anchors to be at
least 6” from all embedded PT cables and from the edge of the concrete slab. The location of
the cables to be determined by others.
Note that the loads shown in the report come from my computer modeling of a 200 pound/ft
(plf) horizontal line load applied to the top of the 42” tall panel. As a reminder, the IBC requires
guardrails be designed to resist
a 50 plf horizontal line load @ the top of the panel; the code
has increased this by a factor of 4 for all-glass panels such as yours, hence, the 200 plf.
The installer of a PT deck can order the anchor and adhesive directly from HILTI through their
website if they don’t have a local rep (Home Depot carries HILTI products).
Chris Hartnett, PE*, LEED AP
Principal Engineer
*MN, WI
[e-mail] !D: 651.647-2750 | C: 612.503-0048!!550 Cleveland Avenue
North!St. Paul, MN 55114
ClearView Glass Railings Attachment to Concrete