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Fields for table: SPS7_LAYER_THICKNESS

Field NameCodesData TypeUnitsTest ProtocolDescription
SHRP_ID

VARCHAR2(4)


Test section identification number assigned by LTPP program. Must be combined with STATE_CODE to be unique.
STATE_CODE
STATE_PROVINCENUMBER(2)


Numerical code for state or province. U.S. codes are consistent with Federal Information Processing Standards.
CONSTRUCTION_NO

NUMBER(2)


Event number used to relate changes in pavement structure with other time dependent data elements. This field is set to 1 when a test section is initially accepted into LTPP and is incremented with each change to the layer structure.
DATE_COMPLETE

DATE


Date activity was completed.
STATION_NO

NUMBER(4)
ft

Test section relative station number from the beginning of the section.
OFFSET

NUMBER(3)
in

Offset distance from outside shoulder lane edge joint or edge stripe.
DATE_BEGAN

DATE


Date operations began.
SURFACE_COURSE

NUMBER(3,1)
in

Thickness of surface course layer.
RECORD_STATUS

VARCHAR2(1)


A code indicating the general quality of the data.