Soil Investigation Pte Ltd supply structural and geotechnical instrumentation services to monitor performance and detect the onset of failure. Poured-In-Place Monuments: After monument has been poured in place, allow to set for 5-10 minutes and then insert marker into proper position.Purpose of geotechnical instrumentation and monitoring includes:Ī meticulous planning for the instrumentation program is required to ensure it is carried out successfully. Repeat process until all voids are filled. Insert marker into hole and determine how much additional grouting material must be used. Put a small amount of grouting material into hole (we recommend DRYLOCK™ brand anchoring cement, which is non-shrinking and sets in 5-20 minutes). Continue enlarging area as required to provide for a flush-mounted installation. Reinsert marker into hole to verify proper fit. Using a chisel, enlarge hole to marked outline. Using chalk, felt-tip marker, or other writing instrument, outline outside edge of the marker. Existing Concrete/Rock Without Using Berntsen Countersink Drill Bit: Chisel or drill a 3/4 to 1 inch (19mm to 25mm) diameter hole – (3 ½ inches deep for C or R series Markers 2 ¼ inches deep for the model cd2 marker series).Ĭlean out hole and surrounding surface area (T1854 Blow-out Bulb). Clean debris from hole and epoxy or grout marker in place. If installing the RT series markers, use a 1 ¼” bit. After countersink is complete, re-drill stem hole with 1” bit. Start drilling the hole, being sure to keep your drill straight and not at an angle.ĭrill the countersink deep enough to accommodate the thickness of the marker top. METHOD FOR INSTALLATION AND USE OF EMBANKMENT SETTLEMENT DEVICES. A Virtual Private Network (VPN) is a great way to add security to your browsing while also preventing. How to Set Up Your Own Completely Free VPN In the Cloud. For Instrumentation and Monitoring of Reclamation. Specification for Instrumentation and Monitoring of. Thread countersink bit to small pilot drill then thread on the SDS-plus, SDS-Max or Spline drill shank.

Existing Concrete/Rock Using Berntsen Countersink Drill Bit: Assemble the three-piece drill bit.

Building settlement marker installation