Long-Term Pavement Performance Program Manual for Falling Weight Deflectometer Measurements
Appendix B: Standard FWD Forms and Common Unit Conversions
This appendix is a collection of forms applicable to the operation and recordkeeping for LTPP FWDs.
Following is a list of the forms included:
- Form F01, LTPP FWD Monitoring Temperature Measurements.
- Form F02, LTPP FWD Monitoring Field Activity Report.
- Form F03, LTPP Monitoring Maintenance and Repair Summary.
- Form F04, LTPP FWD Monitoring FWD Buffer Shape.
- Form F05, LTPP FWD MonitoringFWD Operations Planning.
- Form F06, LTPP FWD Monitoring FWD Test Comments.
- Form F07, LTPP FWD MonitoringFWD DMI Calibration.
- Form F08, LTPP FWD Monitoring IR Temperature Sensor Checks.
- Form F09, LTPP FWD Monitoring Air/Manual Temperature Sensor Checks.
- Form F10, LTPP FWD Monitoring FWD Test Slab Locations.
- Long-Term Pavement Performance (LTPP) Falling Weight Deflectometer (FWD) Testing FWD Problem Report (FWDPR).
| LTPP FWD Monitoring Temperature Measurements—Form F01 | Region
State Code
LTPP Section ID | [ ___ ___ ]
[ ___ ___ ]
[ ___ ___ ___ ___ ] |
| AGENCY ______________________ TESTING __________________ |
| LTPP EXPERIMENT CODE ___________ ROUTE / HIGHWAY NUMBER _____________ |
| TESTING DATE ____________ SHEET NUMBER _________ FIELD SET NO. __________ |
| LOCATION STATION _______________ |
| NOMINAL DEPTH | IR Surface | 25 mm | 50 mm | 100 mm | 200 mm | 300 mm | OPERATOR COMMENT |
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| ACTUAL DEPTH | | | | | | |
|---|
| TIME | T0 °C | T25 °C | T50 °C | T100 °C | T200 °C | T300 °C |
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| LOCATION STATION _______________ |
| NOMINAL DEPTH | IR Surface | 25 mm | 50 mm | 100 mm | 200 mm | 300 mm | OPERATOR COMMENT |
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| ACTUAL DEPTH | | | | | | |
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| TIME | T0 °C | T25 °C | T50 °C | T100 °C | T200 °C | T300 °C |
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| NOTES: | 1) Ti = Temperature in Depth i, °C
Operator comments should include weather related comments, and any other comments necessary to explain unusual temperature readings. Additional comments may be included on the back, and must be referenced to station and time, and a note to this effect must be added to the “Operator Comments” field.
2)Test Completed |
| ____________________ | ____- _____ - _____ | __________________________ |
| FWD Operator | DD - MMM - YYYY | Affiliation |
| 1 m = 3.28 ft; °C = (°F − 32) * 5/9 |
LTPP FWD Monitoring
Field Activity Report—Form F02 |
Region
State Code
LTPP Section ID | [ ___ ___ ]
[ ___ ___ ]
[ ___ ___ ___ ___ ] |
| AGENCY ____________________ TESTING |
| LTPP EXPERIMENT CODE ____________________ ROUTE/HIGHWAY NUMBER |
| TESTING DATE ____________________ SHEET NUMBER ____________________ FIELD SET NO. |
| FWD AND TOW VEHICLE BEFORE OPERATION CHECKS ____________________ (initial) |
| | TIME | ODOMETER |
| START TRAVEL | ____________________ | ____________________ |
| END TRAVEL | ____________________ | ____________________ |
| READY TO TEST | ____________________ | |
| TRAFFIC CONTROL READY | ____________________ | |
| TEMP. HOLES DRILLED | ____________________ | |
| BEGIN TESTING | ____________________ | |
| END TESTING | ____________________ | |
| START TRAVEL | ____________________ | ____________________ |
| END TRAVEL | ____________________ | ____________________ |
| DOWN TIME ____________________ HOURS REASON(S) |
| NUMBER OF TESTS: | BASIN | JT/CRACK |
| TP | ____________________ | |
| OWP | ____________________ | ____________________ |
| PE | ____________________ | |
| ML | ____________________ | |
| ADDITIONAL REMARKS REGARDING TESTING |
| FIELD SAMPLING AND TESTING CREW | TRAFFIC CONTROL CREW |
| NAMES: | ____________________ | AGENCY: | ____________________ |
| | ____________________ | NAMES: | ____________________ |
| | ____________________ | | ____________________ |
| | ____________________ | | ____________________ |
| | ____________________ | | ____________________ |
| LTPP Monitoring Maintenance and Repair Summary—Form F03 |
Region
FWD Serial Number | [ ___ ___ ]
8002-[ ___ ___ ___ ] |
| Date | Odometer | Problem Description 1 | Description of Maintenance | Performed By | Cost |
|---|
| Labor | Parts | Total |
|---|
| | | | | | | | |
| 1 Enter “Routine” for routine maintenance |
| LTPP FWD Monitoring FWD Buffer Shape—Form F04 | Region | [ ___ ___ ] |
Deflection Unit ID: 8002 – [ ___ ___ ___ ]
| Buffer Shape: | [ ___ ] (see following code descriptions) |
| Assign Date: | [ ___ ___ - ___ ___ ___ - ___ ___ ___ ___ ] |
| De-assign Date: | [ ___ ___ - ___ ___ ___ - ___ ___ ___ ___ ] |
| Code | Description |
| 1 | Flat—100-mm(3.94-inch) diameter, flat (90°) buffers. |
| 2 | Fully Rounded—100-mm(3.94-inch) diameter, “knife cut” variable cone shaped (45°) buffers. |
| 3 | Semi-Rounded—110-mm(4.33-inch) diameter, tapered (60°) buffers. |
| 9 | Unknown—buffershape is unknown. |
LTPP FWD Monitoring
FWD Operations Planning—Form F05 |
Region
State Code
LTPP Section ID | [ ___ ___ ]
[ ___ ___ ]
[ ___ ___ ___ ___ ] |
| Experiment Designation: | __ PS __ |
| Test Setup: | Flexible / Rigid (circle one) |
| Total thickness of bound layers: | ___ ___ ___ ___ mm |
| Test Plan Number: | ___ |
| Temperature Holes (cross out holes that are not to be used) |
| Hole Number | Nominal Hole Depth | Adjusted Hole Depth1 |
| 1 | 25 mm (0.98 inch) | |
| 2 | 50 mm (1.97 inches) | |
| 3 | 100 mm (3.94inches) | |
| 4 | 200 mm (7.87inches) | |
| 5 | 300 mm (11.81inches) | |
| Note 1 – Only fill out if hole is within ±25 mm (±0.98 inch) of bottom of bound layers |
| File Names (cross out passes that are not to be used) |
| Pass Number | Filename |
| 1 | ___ ___ ___ ___ ___ ___ ___ ___ |
| 2 | ___ ___ ___ ___ ___ ___ ___ ___ |
| 3 | ___ ___ ___ ___ ___ ___ ___ ___ |
| 4 | ___ ___ ___ ___ ___ ___ ___ ___ |
| 5 | ___ ___ ___ ___ ___ ___ ___ ___ |
| Prepared By: | ____________________ | Date Prepared: | ____________________ |
| Tested By: | ____________________ | Date Tested: | ____________________ |
LTPP FWD Monitoring
FWD Test Comments—Form F06 | Region
State Code
LTPP Section ID | [ ___ ___ ]
[ ___ ___ ]
[ ___ ___ ___ ___ ] |
| Date | ___ ___ - ___ ___ ___ - ___ ___ ___ ___ |
| Test Pass | ____ |
| Filename | ___ ___ ___ ___ ___ ___ ___ ___ |
| Time | Station | Lane Spec | Comment |
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| Note: Time, Station, and Lane Spec should match the stored data. Necessary modifications to those values should be noted in the "Comments" column. |
| Tested By: | _______________________________ |
LTPP FWD Monitoring
FWD DMI Calibration—Form F07 | Region | [ ___ ___ ] |
| Date (DD-MMM-YYYY) | ___ ___ - ___ ___ ___ - ___ ___ ___ ___ |
| Deflection Unit ID: | 8002 – [ ___ ___ ___ ] |
| Section Length (feet) | ___ ___ ___ ___ |
| New Calibration Factor (counts per km) | ___ ___ ___ , ___ ___ ___ |
| Performed By: | _______________________________ |
LTPP FWD Monitoring
IR Temperature Sensor Checks—Form F08 | Region | [ ___ ___ ] |
| Date (DD-MMM-YYYY) | ___ ___ - ___ ___ ___ - ___ ___ ___ ___ |
| Deflection Unit ID: | 8002 – [ ___ ___ ___ ] |
| Location Performed | _______________________________________________ |
| FWD-Mounted IR Sensor Serial No. | _______________________________________________ |
| Hand-Held IR Sensor Serial No. | _______________________________________________ |
| Check | Reading | Reference Therm. (°C) | FWD-Mounted IR Sensor | Hand-held IR Sensor |
|---|
| Reading (°C) | Error | Pass? | Reading (°C) | Error | Pass? |
|---|
| Cold | 1 | | | | Y / N | | | Y / N |
| 2 | | | | Y / N | | | Y / N |
| 3 (opt.) | | | | Y / N | | | Y / N |
| Room Temp. | 1 | | | | Y / N | | | Y / N |
| 2 | | | | Y / N | | | Y / N |
| 3 (opt.) | | | | Y / N | | | Y / N |
| Hot | 1 | | | | Y / N | | | Y / N |
| 2 | | | | Y / N | | | Y / N |
| 3 (opt.) | | | | Y / N | | | Y / N |
| Acceptable? | YES / NO | YES / NO |
| Performed By: | _______________________________ |
LTPP FWD Monitoring
Air/Manual Temperature Sensor Checks—Form F09 | Region | [ ___ ___ ] |
| Date (DD-MMM-YYYY) | ___ ___ - ___ ___ ___ - ___ ___ ___ ___ |
| Deflection Unit ID: | 8002 – [ ___ ___ ___ ] |
| Location Performed | _______________________________________________ |
| Serial Numbers |
| FWD Air Temp | Hand-held Sensor 1 | Hand-held Sensor 2 | Hand-held Sensor 3 |
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| Check | Reading | Ref. Therm (°C) | FWD Air Sensor | Hand-held Sensor 1 | Hand-held Sensor 2 | Hand-held Sensor 3 |
|---|
| Reading (°C) | Err. | Pass? | Reading (°C) | Err. | Pass? | Reading (°C) | Err. | Pass? | Reading (°C) | Err. | Pass? |
|---|
| Cold | 1 | | | | Y / N | | | Y / N | | | Y / N | | | Y / N |
| 2 | | | | Y / N | | | Y / N | | | Y / N | | | Y / N |
| 3 (opt.) | | | | Y / N | | | Y / N | | | Y / N | | | Y / N |
| Room Temp. | 1 | | | | Y / N | | | Y / N | | | Y / N | | | Y / N |
| 2 | | | | Y / N | | | Y / N | | | Y / N | | | Y / N |
| 3 (opt.) | | | | Y / N | | | Y / N | | | Y / N | | | Y / N |
| Acceptable? | YES/NO | YES/NO | YES/NO | YES/NO |
| Performed By: | _______________________________ |
LTPP FWD Monitoring
FWD Test Slab Locations–Form F10 | Region
State Code
LTPP Section ID | [ ___ ___ ]
[ ___ ___ ]
[ ___ ___ ___ ___ ] |
Number of Slabs to be Tested
(circle one) | 10/20 |
| Test Slab | Location of joint/crack on approach end of slab (ft) |
| 1 | |
| 2 | |
| 3 | |
| 4 | |
| 5 | |
| 6 | |
| 7 | |
| 8 | |
| 9 | |
| 10 | |
| 11 | |
| 12 | |
| 13 | |
| 14 | |
| 15 | |
| 16 | |
| 17 | |
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| 20 | |
| Date Prepared | ___ ___ - ___ ___ ___ - ___ ___ ___ ___ |
| Prepared By | ______________________________________ |
FWDPR #:______
LONG-TERM PAVEMENT PERFORMANCE (LTPP) FALLING WEIGHT DEFLECTOMETER (FWD) TESTING FWD PROBLEM REPORT (FWDPR)
| Attention: | Eric Weaver
Gonzalo R. Rada | FAX: (703) 285-2767
FAX: (301) 210-5032 |
Type of Problem:
Guidelines
Equipment
Software
Name:
Version:
Other: | ___
___
___
____________
____________
____________ | Reported by: ________________________
Agency: ________________________
Date: ________________________
Urgent?(Y/N) ___ Page ____ of ____ |
| Description: |
| THIS SECTION FOR USE BY FHWA AND TSSC |
| Received by: ________________ | Date Received: __________________ |
Referred to: ________________
Date Referred: ________________ | Approved by: __________________
Date Approved: __________________ |
| Resolution: |
| Notes: |
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