Form FHWA FORM # NTI-00 FHWA FORM # NTI-00 PRELIMINARY INVENTORY TUNNEL DATA FORM

National Tunnel Inventory (NTI)

NTISPreliminaryInventoryDataForm (2) (2) (2).xlsx

National Tunnel Inventory (NTI)

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This collection of information is mandatory and will be used to identify critical inspection elements and specify an appropriate inspection frequency of US tunnels. Public reporting burden is estimated to average 1,400 hour per response, including the time for reviewing instructions searching existing data sources, gathering and maintaining the data needed, and completing and reviewing the collection of information. Please note that an agency may not conduct or sponsor, and a person is not required to respond to, a collection of information unless it displays a currently valid OMB control number. The OMB control number for this collection is 2125-XXXX. Send comments regarding this burden estimate or any other aspect of this collection of information, including suggestions for reducing this burden to: Information Collection Clearance Officer, Federal Highway Administration, 1200 New Jersey Avenue, SE, Washington, DC 20590.
APPENDIX A PAGE 1 OF 2: PRELIMINARY INVENTORY TUNNEL DATA FORM






DATE


By:
Item No. Item Name Item Value
1
Tunnel Name




2
Tunnel Owner




3
Tunnel number




4
Tunnel Operator




5
Location




6
Route Signing Prefix




7
Route Number




8
LRS Inventory Rt




9
LRS Subroute




10
Portals Latitude




11
Portals Milepost




12
Portals Longitude




13
STRAHNET Designation




14
Year Tunnel Construction Completed




15
Posted Speed




16
Design Speed




17
Current ADT




18
% of truck traffic




19
Date of last Inspection




20
No. of Bores




21
No. of Lanes




22
Direction of traffic








FHWA FORM # NTI-001















Item Name Item Value

23
Tunnel Length




24
Tunnel Height




24
Lane Width




25
Shoulder Width




26
Pavement Type




27
Tunnel Shape




28
Ground Conditions




29
Ceiling Type




30
PortalType




31
Portal Shape




32
Finish Type




33
Primary Tunnel Support Lining




34
Vertical Clearance




35
Tunnel Cross-sectional Width








FHWA FORM # NTI-001



Sheet 2: Sheet2

APPENDIX A PAGE 2 OF 2: NATIONAL TUNNEL APPRAISAL FORM


DATE









By:










CONDITION CODE (SEE NOTES)
ITEM NO. Item Name 9 8 7 6 5 4 3 2 1
GOOD FAIR POOR
1 Tunnel roof concrete








2 Tunnel roof steel girders








3 Tunnel roof girder connection








4 Suspened ceiling hanger








5 suspended ceiling panels








6 suspended ceiling beams








7 Suspened ceiling concrete anchors








8 Jet fans concrete anchors








9 Steel Pile in tunnel wall








10 Ceramic tile








11 Prefabricated wall panels








12 Prefabricated wall panel attachment to wall








13 Prefabricated linning elements








14 Prefabricated lining element joints








15 Prefabricated lining element bolts








16 Expansion joints








17 Compression joints








18 Portals Cross drain








19 Overhead sign support








20 Overhead sign attachment anchors








21 roadway slab beams








22 Hand rails on sidewalk








NATIONAL TUNNEL APPRAISAL FORM


DATE CONDITION CODES (SEE NOTES)

By:
ITEM NO. Item Name 9 8 7 6 5 4 3 2 1
GOOD FAIR POOR
23 Exit doors








24 Overhead Tunnel lighting support








25 Flood Gate Gasket








26 Rock bolt








27 Rock tunnel lining








28 Timber Posts in Tunnel Walls








29 Tunnel wearing surface








30 Tunnel safety walk






























NOTES:




















CODE DESCRIPTION








9 Newly completed construction








8 Excellent condition - No defects found.








7 Good condition - No repairs necessary. Isolated defects found.








6 Shading between "5" and "7"








5 Fair condition - Minor repairs required but element is functioning as originally









designed. Minor, moderate, and isolated severe defects are present but with









no significant section loss.








4 Shading between '3' and "5"








3 Poor Condition - Major repairs are required and element is not functioning as









originally designed. Severe defects are present.








2 Serious condition - Major repairs required immediately to keep structure open









to highway or rail transit traffic.








1 Critical condition - Immediate closure required. Study should be performed to









determine the feasibility of repairing the structure.






























FHWA FORM # NTI-001









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