Providing underground locating equipment & services.

• See also:
• Masterformat 2004
• 02 30 00 - SUBSURFACE INVESTIGATION
• 02 31 00 - Geophysical Investigations
• 02 31 13 - Seismic Investigations
• 02 32 13 - Subsurface Drilling and Sampling
• 02 32 16 - Material Testing
• 02 32 19 - Exploratory Excavations
• 02 32 23 - Geotechnical Monitoring Before Construction
• 23 82 00 - Convection Heating and Cooling Units
• 23 82 16 - Air Coils
• 23 82 19 - Fan Coil Units
• 23 82 23 - Unit Ventilators
• 23 82 26 - Induction Units
• 23 82 33 - Convectors
• 23 82 36 - Finned-Tube Radiation Heaters
• 23 82 39 - Unit Heaters
• 26 05 13 - Medium-Voltage Cables
• 26 05 19 - Low-Voltage Electrical Power Conductors and Cables
• 26 05 23 - Control-Voltage Electrical Power Cables
• 26 42 00 - Cathodic Protection
• 31 09 13 - Geotechnical Instrumentation and Monitoring
• 31 34 00 - Soil Reinforcement
• 31 50 00 - EXCAVATION SUPPORT AND PROTECTION
• 31 51 00 - Anchor Tiebacks
• 31 51 13 - Excavation Soil Anchors
• 31 51 16 - Excavation Rock Anchors
• 31 52 00 - Cofferdams
• 31 53 00 - Cribbing and Walers
• 31 54 00 - Ground Freezing
• 31 56 00 - Slurry Walls
• 32 10 00 - BASES, BALLASTS, AND PAVING
• 33 00 00 - UTILITIES
• Masterformat 1995
• 02210 - Subsurface Investigation
• 02260 - Excavation Support and Protection
• 02500 - Utility Services
• 02700 - Bases, Ballasts, Pavements, Appurtenances
• 13110 - Cathodic Protection
• 15760 - Terminal Heating and Cooling Units
• 16120 - Conductors and Cables