National · EquipmentSOURCE REFERENCE
ASCE describes two complementary standards: 38-22 for investigating and documenting existing utilities, and 75-22 for recording and exchanging utility infrastructure data.
Official page checked · 2026-11-14
Source details
- Publisher
- American Society of Civil Engineers
- Evidence checked
- 2026-11-14
- Evidence method
- Official page checked
- Independent source-summary check
- Not yet completed
- Effective date
- Not established
- Evidence
- ASCE announcement dated 20 July 2022: descriptions of 38-22 and 75-22.
- Limitations
- Public announcement reviewed, not the full standards. This does not establish compliance, professional qualification or that the 2022 editions are the latest applicable editions for a project.
- Link availability
- Not checked for this address
National · EquipmentSOURCE REFERENCE
Manual directory organized by directional drills, trenchless equipment, vacuum excavators, trenchers, plows and loaders, with a route to older equipment documents.
Official page checked · 2026-11-14
Source details
- Publisher
- Ditch Witch
- Evidence checked
- 2026-11-14
- Evidence method
- Official page checked
- Independent source-summary check
- Not yet completed
- Effective date
- Not established
- Evidence
- Equipment Manuals: current-model sections, Parts Lookup and older-document access explanation.
- Limitations
- The directory was reviewed, not every linked manual. Match the document to the exact equipment before use.
- Link availability
- Not checked for this address
National · EquipmentSOURCE REFERENCE
Manufacturer directory for OTDR instruments and fiber-test reporting software, including links to specification sheets and user manuals.
Official page checked · 2026-11-14
Source details
- Publisher
- EXFO
- Evidence checked
- 2026-11-14
- Evidence method
- Official page checked
- Independent source-summary check
- Not yet completed
- Effective date
- Not established
- Evidence
- OTDR/iOLM product directory: Download spec sheet and User manual links; FastReporter description covers fiber-test analysis and reports.
- Limitations
- Directory links reviewed, not the linked manuals in full. No test settings, instrument comparisons or measured performance claims are supplied.
- Link availability
- Not checked for this address
National · EquipmentSOURCE REFERENCE
FHWA explains how GPR investigates subsurface anomalies and how it is used for utility detection and mapping. Its material-response table expressly notes that moisture and clay can affect data quality.
Official page checked · 2026-11-14
Source details
- Publisher
- Federal Highway Administration
- Evidence checked
- 2026-11-14
- Evidence method
- Official page checked
- Independent source-summary check
- Not yet completed
- Effective date
- Not established
- Evidence
- Underground Utilities — GPR: Target of Investigation and table 1, including the site-specific response note.
- Limitations
- Response is site-dependent. A capability table is not a guarantee that every utility will be detected, identified or assigned a reliable depth.
- Link availability
- Not checked for this address
National · EquipmentSOURCE REFERENCE
Fluke explains how an optical time-domain reflectometer uses light pulses and returning signals to investigate events along a fiber link, including connections, splices and breaks.
Official page checked · 2026-11-14
Source details
- Publisher
- Fluke Networks
- Evidence checked
- 2026-11-14
- Evidence method
- Official page checked
- Independent source-summary check
- Not yet completed
- Effective date
- Not established
- Evidence
- OTDR guide: What Is an OTDR? explanatory passage.
- Limitations
- Fiber-link diagnostics are distinct from finding the geographic route of buried cable. No instrument comparison, test setup or certification result is supplied.
- Link availability
- Not checked for this address
National · EquipmentSOURCE REFERENCE
GSSI provides a support entrypoint with downloadable resources, FAQs, training links and utility-locating products. Use it to find documentation for the instrument and software in use.
Official page checked · 2026-11-14
Source details
- Publisher
- GSSI
- Evidence checked
- 2026-11-14
- Evidence method
- Official page checked
- Independent source-summary check
- Not yet completed
- Effective date
- Not established
- Evidence
- Support page navigation: Download Resources, FAQs, GSSI Academy and Utility products.
- Limitations
- Directory navigation reviewed; individual manuals, courses and product performance have not been evaluated here.
- Link availability
- Not checked for this address
National · EquipmentSOURCE REFERENCE
Manufacturer directory linking cable locators, utility-detection radar, mapping workflows and detection webinars.
Official page checked · 2026-11-14
Source details
- Publisher
- Leica Geosystems
- Evidence checked
- 2026-11-14
- Evidence method
- Official page checked
- Independent source-summary check
- Not yet completed
- Effective date
- Not established
- Evidence
- Detection Solutions: category links for Cable Locators and Utility Detection Radar; mapping and verification navigation; What is Detection webinar link.
- Limitations
- Directory scope only. No product ranking, performance guarantee or assertion that equipment alone confirms all utilities.
- Link availability
- Not checked for this address
National · EquipmentSOURCE REFERENCE
OSHA’s protective-system requirements address cave-in protection and design provisions for sloping, benching, support and shield systems, including the use and limits of tabulated data.
Official page checked · 2026-11-14
Source details
- Publisher
- Occupational Safety and Health Administration
- Evidence checked
- 2026-11-14
- Evidence method
- Official page checked
- Independent source-summary check
- Not yet completed
- Effective date
- Not established
- Evidence
- 29 CFR 1926.652(a)–(c), including tabulated-data and design provisions.
- Limitations
- This is a route to the governing text, not a shield-sizing or soil-classification tool. Project conditions and the applicable competent-person or engineering requirements need separate assessment.
- Link availability
- Not checked for this address
National · EquipmentSOURCE REFERENCE
OSHA’s HDD bulletin defines drill heads, back reamers, tracking devices, potholing and vacuum excavation, and discusses the risk of striking existing utilities during drilling.
Official page checked · 2026-11-14
Source details
- Publisher
- Occupational Safety and Health Administration
- Evidence checked
- 2026-11-14
- Evidence method
- Official page checked
- Independent source-summary check
- Not yet completed
- Effective date
- Not established
- Evidence
- SHIB 03-13-2018, page 1: introduction and HDD terminology; pages 1–2 incident discussion.
- Limitations
- 2018 safety-information bulletin, not an equipment manual. It does not establish model settings or replace site-specific planning, training and applicable requirements.
- Link availability
- Not checked for this address
National · EquipmentSOURCE REFERENCE
OSHA identifies equipment functions in a permit-required confined-space program: testing and monitoring, ventilation, communications, lighting, access, protection and rescue.
Official page checked · 2026-11-14
Source details
- Publisher
- Occupational Safety and Health Administration
- Evidence checked
- 2026-11-14
- Evidence method
- Official page checked
- Independent source-summary check
- Not yet completed
- Effective date
- Not established
- Evidence
- 29 CFR 1926.1204(d)(1)–(9), equipment provisions.
- Limitations
- This directory does not determine whether entry is permitted or specify a monitoring or rescue procedure. Instrument selection and the complete applicable program require qualified review.
- Link availability
- Not checked for this address
National · EquipmentSOURCE REFERENCE
OSHA’s excavation requirements address identifying underground installations before excavation and establishing their exact location by safe and acceptable means as work approaches them.
Official page checked · 2026-11-14
Source details
- Publisher
- Occupational Safety and Health Administration
- Evidence checked
- 2026-11-14
- Evidence method
- Official page checked
- Independent source-summary check
- Not yet completed
- Effective date
- Not established
- Evidence
- 29 CFR 1926.651(b)(1)–(4), Underground installations.
- Limitations
- Read the applicable requirements in context alongside state and local rules. This overview supplies no universal waiting period, tolerance zone or permission to dig.
- Link availability
- Not checked for this address
National · EquipmentSOURCE REFERENCE
Manufacturer knowledge base organized by locating methods, receiver and transmitter families, accessories, mapping and software.
Official page checked · 2026-11-14
Source details
- Publisher
- Radiodetection
- Evidence checked
- 2026-11-14
- Evidence method
- Official page checked
- Independent source-summary check
- Not yet completed
- Effective date
- Not established
- Evidence
- Knowledge Base sections: Locating Buried Utilities, Precision Locators, Avoidance tools, Mapping Solutions and Accessories.
- Limitations
- Directory reviewed; individual model instructions and performance have not been evaluated. Match any manual to the equipment and revision in use.
- Link availability
- Not checked for this address
National · EquipmentSOURCE REFERENCE
RIDGID separates handheld inspection, drain and sewer video inspection, plumbing locating and utility locating. Its directory includes SeeSnake camera systems and sonde-locating references.
Official page checked · 2026-11-14
Source details
- Publisher
- RIDGID
- Evidence checked
- 2026-11-14
- Evidence method
- Official page checked
- Independent source-summary check
- Not yet completed
- Effective date
- Not established
- Evidence
- Diagnostics, Inspection & Locating category descriptions, including SeeSnake and sonde locating.
- Limitations
- Category descriptions reviewed. Camera, sonde and receiver compatibility and inspection interpretation require the exact equipment documentation.
- Link availability
- Not checked for this address
National · EquipmentSOURCE REFERENCE
Manufacturer category directory for utility locating receivers, line transmitters, inductive clamps and related accessories.
Official page checked · 2026-11-14
Source details
- Publisher
- RIDGID
- Evidence checked
- 2026-11-14
- Evidence method
- Official page checked
- Independent source-summary check
- Not yet completed
- Effective date
- Not established
- Evidence
- Utility Locating listing: receivers, line transmitters, inductive signal clamp and adapters.
- Limitations
- Directory scope only. Listed products are not ranked or recommended; model-specific compatibility and procedures require the applicable documentation.
- Link availability
- Not checked for this address
National · EquipmentSOURCE REFERENCE
Manufacturer directory separating magnetic locators from pipe-and-cable locating equipment, with links to manuals, training and accessories.
Official page checked · 2026-11-14
Source details
- Publisher
- Schonstedt
- Evidence checked
- 2026-11-14
- Evidence method
- Official page checked
- Independent source-summary check
- Not yet completed
- Effective date
- Not established
- Evidence
- Products directory and navigation: Magnetic Locators, Pipe & Cable, Training & Support and Download Manuals.
- Limitations
- Category navigation reviewed. Individual product performance and comparative marketing claims are not adopted.
- Link availability
- Not checked for this address
National · EquipmentSOURCE REFERENCE
Manufacturer category page covering GPR in utility-locating workflows, with sections for field visualization, mapping, reporting and related products.
Official page checked · 2026-11-14
Source details
- Publisher
- Sensors & Software
- Evidence checked
- 2026-11-14
- Evidence method
- Official page checked
- Independent source-summary check
- Not yet completed
- Effective date
- Not established
- Evidence
- Utility Locating navigation: Locate & Mark, In-Field Visualization, SUM/SUE, Maps/Reports, Additional Resources and Related Products; introductory workflow passage.
- Limitations
- Category and documentation entrypoint only. Marketing claims about detection, depth, completeness and damage reduction have not been adopted or independently validated.
- Link availability
- Not checked for this address
National · EquipmentSOURCE REFERENCE
Manufacturer category directory for GNSS bases and rovers, with references to field controllers and positioning services.
Official page checked · 2026-11-14
Source details
- Publisher
- Topcon
- Evidence checked
- 2026-11-14
- Evidence method
- Official page checked
- Independent source-summary check
- Not yet completed
- Effective date
- Not established
- Evidence
- Base stations and rovers for positioning on the move: GNSS receivers for base/rover setups and mounting formats; Field Software and Controllers and Topnet Live related resources.
- Limitations
- Category navigation reviewed. Model accuracy, correction availability, licenses and compatibility require separate documentation; positioning alone does not establish buried-asset identity.
- Link availability
- Not checked for this address
National · EquipmentSOURCE REFERENCE
TerraFlex documentation explains mobile GIS capture, cloud and local project modes, exported records and online GNSS correction workflows. It is a useful reference for how field observations move into an office record.
Official page checked · 2026-11-14
Source details
- Publisher
- Trimble
- Evidence checked
- 2026-11-14
- Evidence method
- Official page checked
- Independent source-summary check
- Not yet completed
- Effective date
- Not established
- Evidence
- TerraFlex overview: cloud/local projects and online/offline workflows.
- Limitations
- Software workflow reference only. Receiver accuracy, licenses and configuration must be checked separately; a mapped position does not by itself confirm asset identity.
- Link availability
- Not checked for this address
National · EquipmentSOURCE REFERENCE
Manufacturer category page describing hydro-excavation equipment systems and linking truck and trailer product documentation.
Official page checked · 2026-11-14
Source details
- Publisher
- Vac-Con
- Evidence checked
- 2026-11-14
- Evidence method
- Official page checked
- Independent source-summary check
- Not yet completed
- Effective date
- Not established
- Evidence
- Hydro Excavators page: Vacuum, Water, Payload and Filtration sections; Explore Our Hydro Machine Lineup and truck/trailer links.
- Limitations
- Category entrypoint only. Broad marketing claims about damage-free excavation, suitability and performance have not been adopted. Exact equipment instructions and applicable utility-owner requirements need separate review.
- Link availability
- Not checked for this address
National · EquipmentSOURCE REFERENCE
This manufacturer directory groups directional drills, trenchers, rockwheels, plows, loaders, mixing systems, piercing tools and vacuum excavators for utility installation.
Official page checked · 2026-11-14
Source details
- Publisher
- Vermeer
- Evidence checked
- 2026-11-14
- Evidence method
- Official page checked
- Independent source-summary check
- Not yet completed
- Effective date
- Not established
- Evidence
- Utility Installation introduction and All Equipment category links.
- Limitations
- A family directory explains available equipment types, not suitability for a particular site. Model selection, tooling compatibility and operating limits need their own documentation.
- Link availability
- Not checked for this address
National · EquipmentSOURCE REFERENCE
Vermeer describes vacuum equipment used for utility exposure, slot trenching, slurry handling and cleanouts, with skid, trailer and truck formats. The directory links to individual equipment pages.
Official page checked · 2026-11-14
Source details
- Publisher
- Vermeer
- Evidence checked
- 2026-11-14
- Evidence method
- Official page checked
- Independent source-summary check
- Not yet completed
- Effective date
- Not established
- Evidence
- Vacuum Excavators introductory description and equipment-format navigation.
- Limitations
- Manufacturer category reference, not an operating procedure. Model settings and utility-owner restrictions require separate review; marketing language about damage prevention is not a guarantee.
- Link availability
- Not checked for this address
National · EquipmentSOURCE REFERENCE
Documentation hub with manuals, technical specifications, training documents, firmware and legacy resources for locating and inspection equipment.
Official page checked · 2026-11-14
Source details
- Publisher
- Vivax-Metrotech
- Evidence checked
- 2026-11-14
- Evidence method
- Official page checked
- Independent source-summary check
- Not yet completed
- Effective date
- Not established
- Evidence
- Knowledge Center download categories and training links; linked all-downloads index includes receivers, transmitters, ferrous detectors, cameras and accessories.
- Limitations
- Documentation entrypoint only. Check exact model and accessory compatibility; depth, accuracy and operating settings are not evaluated here.
- Link availability
- Not checked for this address
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