Specifications include, but are not limited to: Provide one (1)
Truck Mounted Cone Penetration Tester (CPT) body and system in an insulated van body to mount on a MnDOT
supplied 4 wheel drive chassis or MNDOT approved equal. The CPT unit shall be constructed on a MnDOT supplied
The equipment must be a newly manufactured Truck Mounted Cone Penetration Test (CPT) unit in an insulated
van body to mount on a MnDOT supplied 4 wheel drive chassis or MNDOT approved equal.
The CPT must consist of a hydraulic push system, electronically actuated hydraulic rod clamps and safety
clamps, hydraulic leveling jacks, hydraulically advanced/retracted guide tube (if necessary for support) or fixed
guide tube, system control stand with ergonomic control arrangement and secure computer mounting and storage
area (with areas for D/A system and control computer, weatherproof locking equipment storage cabinets, a
workspace grouting area (grout mixer, grout pump, water pump, heated water tank (with electric heating element
and separate generator and anti-theft enclosure), and control system.
Electronic components shall include a depth gage, push pressure transducer system, hydraulic control system,
12V power distribution system, 120V power distribution system and true sine wave inverter (3000W), and USB
digital-analog signal processing system [CPTU-probe-and -sensor to computer interface unit].
Control arrangement and general layout shall be intuitive and minimize operator confusion. Safety, ergonomics,
and operator productivity shall be considered in all aspects of the CPTU system design.