| 8/21/2020 | J McMellon | |
| 8/21/2020 | | Added 1520 (36" or larger) water/sewer installation |
| 9/10/2020 | | Added work experience and employee requirements to pavement marking codes (1204, 1206, 1207, 1208, 1209, & 1251) |
| 3/16/2021 | | Added link to Pavement Marking Certification Process |
| 4/12/2021 | | Updated codes that require a license with * (801, 1400, 1700, 2020, 4010, 4020, 4030, 8060) |
| 4/14/2021 | | Hid 4050, 4060, 4070 to match SAP |
| 6/1/2021 | | Changed 310 wording to "Pipe Culvert & Storm Drain Installation" from "Pipe Installation " |
| 12/2/2021 | | Added 6010 Cut & Shove. Had never been. |
| 4/26/2022 | | Updated Geotechnical work descriptions & employee requirements (075, 220, 411, 3020, 3030, 3035, 3040, 3045, 3050, 3060, 3065, 3070, 3080, 3100, 3110, 3120, 3125, 3130, 3135) |
| 6/3/2022 | | Added codes 9102 & 9103 for Ferry. All ferry codes to be reviewed by Ferry |
| 6/21/2022 | | Added 8075 (AIRPORT OPERATIONS COUNTING TOOL) for Aviation |
| 4/5/2023 | K. Bradshaw | Removed work codes 4050 & 4060 from SharePoint.
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| 11/6/2023 | K. Bradshaw | Created Work Code 902: Shoulder Mounted Sign Structures
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| 11/6/2023 | K. Bradshaw | Created Work Code 0906: Overhead Sign Structures |
| 11/28/2023 | K. Bradshaw | Created Work Code 9104: Piling and Bulkhead Repair, Installation & Maintenance
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| 11/28/2023 | K. Bradshaw | Created Work Code 9105: Repair and Maintenance of ramp and gantry systems
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| 1/3/2024 | K. Bradshaw | Updated Work Code Descriptions: Codes 1100, 1115 & 1120 |
| 6/6/2024 | K. Bradshaw | Change name for code 3060 from "Pile Driving Analyzer" to "Dynamic Pile Testing" |
| 6/17/2024 | McMellon | Changed 075 "Type of Work" description to Rock Slope Stabilization for Geotechnical Design.
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| 9/18/2024 | K. Bradshaw | Change name of Work Code 5090 from "Right-of-way Prime Contractor" to "Rail Corridor Prime Contractor"
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| 4/9/2025 | J McMellon | Changed reviewer from DPGallo to DTeague for codes: 075, 220, 411, 3020, 3030, 3060, 3065, 3070, 3080, 3100, 3120, 3125, 3130, 3135. Per Geotech
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| 4/16/2025 | J McMellon | Added 0815 Construction Asbestos Abatement. Reviewed by R/W
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| 4/28/2025 | J McMellon | Changed reviewer for 3050 from John McCray to Christina Bruinsma per Geotech request.
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| 5/7/2025 | J McMellon | Added WC 6030 Snow & Ice removal per Div 5 request.
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| 6/13/2025 | J McMellon | Added Rail codes 5100 and 5110
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| 8/21/2025 | J McMellon | Added Aviation 8150 ( Airport Charging Infrastructure) per J. Capps
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