# ATTACHMENT \#31 - KILFORD FIELD MANUAL FOR TRENCHING

**Citation:** PLD19MR001 docket item 27  
**Type / status:** incident / current  
**Agency:** National Transportation Safety Board  
**Effective:** Not stated  
**Published:** Not stated

PLD19MR001; docket item 27; Text/Image.

## Document text

ATTACHMENT #31 - KILFORD FIELD MANUAL FOR TRENCHING PLD19MR001 docket item 27. 2 pages. 0 photograph references. Published media type: Text/Image. Metadata only; the linked docket file is not mirrored.

## Provenance

- Official: Yes
- Source: <https://data.ntsb.gov/Docket/Document/docBLOB?ID=9117304&FileExtension=pdf&FileName=Kilford%20Field%20Manual%20for%20Trenching-Rel.pdf>
- Source ID: `ntsb-dockets`
- SHA-256: `07cfe60a477c1c1e468d8135027cf2a93005038b410e3423ab86fc3e011d3bb6`
- Retrieved: 2026-08-20T04:58:09.797Z
- Exported: 2026-08-23T10:46:22.813Z
- Document slug: `ntsb-docket-item-9117304`

### Source metadata

```json
{
  "materialSubtype": "ntsb_docket_item_metadata",
  "ntsbNumber": "PLD19MR001",
  "blobId": "9117304",
  "ordinal": 27,
  "pages": 2,
  "photos": 0,
  "publishedMediaType": "Text/Image",
  "fileExtension": "pdf",
  "fileName": "Kilford Field Manual for Trenching-Rel.pdf",
  "docketUrl": "https://data.ntsb.gov/Docket/?NTSBNumber=PLD19MR001",
  "tableOfContentsUrl": "https://data.ntsb.gov/Docket/TOCPrintable?data=98960",
  "docketReportedMode": "Pipeline",
  "docketCreationDate": "2019-07-18",
  "docketLastModifiedDate": "2021-08-05",
  "docketPublicReleaseDate": "2020-04-06",
  "metadataOnly": true,
  "binaryMirrored": false,
  "caveat": "Docket item metadata and official link only. The title does not establish authorship, evidentiary weight, NTSB endorsement, legal effect, or a current regulatory finding; party submissions and evidence binaries are not mirrored.",
  "jurisdiction": "US"
}
```