BRIDGE STANDARD PLANS AND SPECIAL DETAILS ADAM LANCASTER, P.E. FEB. 27, 2018

Transcription

1 BRIDGE STANDARD PLANS AND SPECIAL DETAILS ADAM LANCASTER, P.E. FEB. 27, 2018

2 NEW PUBLICATIONS 2016 LOUISIANA STANDARD SPECIFICATIONS FOR ROADS AND BRIDGES M.A.S.H. HIGHWAY GUARD RAIL STANDARD PLANS GUARD RAIL RETROFIT SPECIAL DETAILS GUARD RAIL T-INTERSECTION SPECIAL DETAILS SLAB SPAN SPECIAL DETAILS CONCRETE SURFACE FINISH SPECIAL DETAILS CONCRETE PAVEMENT EXPANSION JOINT FOR OVERLAY PROJECTS REVISIONS TO APPROACH SLAB SPECIAL DETAILS

3 UPCOMING PUBLICATIONS M.A.S.H. GUARD RAIL FOR MEDIAN AND SHOULDER APPLICATIONS M.A.S.H. MEDIAN CONCRETE BARRIER M.A.S.H. TEMPORARY PRECAST BARRIER M.A.S.H. 36 TALL SINGLE-SLOPE CONCRETE BRIDGE BARRIER PREFORMED SILICONE SEAL 20 LONG APPROACH SLAB SPECIAL DETAILS LG AND LU PRECAST PRESTRESSED CONCRETE GIRDERS UPDATES TO PRECAST DETOUR BRIDGE, ROADSIDE TRAFFIC SIGNS, ETC.

4 2016 STANDARD SPECIFICATIONS CURRENT BRIDGE DESIGN STANDARD PLANS AND SPECIAL DETAILS: 331 TOTAL INDIVIDUAL SHEETS 35 STANDARD PLANS 296 SPECIAL DETAILS 100+ ADDITIONAL NEW SHEETS ARE CURRENTLY PLANNED/ UNDER DEVELOPMENT 226 SHEETS WERE AFFECTED BY THE 2016 SPECIFICATIONS: PAY ITEM NAMES AND/OR NUMBERS SPECIFICATION SECTION/SUBSECTION NUMBERS CONCRETE CLASS CALLOUTS B.D. INDEXING AND GENERAL SHEET ORGANIZATION

5 M.A.S.H. HIGHWAY GUARD RAIL STANDARD PLANS M.A.S.H. MANUAL FOR ASSESSING SAFETY HARDWARE, 2 ND ED. AASHTO / FHWA JOINT IMPLEMENTATION AGREEMENT DEC BEGINNING JAN. 1, 2018: NEW GUARD RAIL PERMANENT INSTALLATIONS AND FULL REPLACEMENTS ON THE N.H.S. MUST BE MASH COMPLIANT

6 M.A.S.H. HIGHWAY GUARD RAIL STANDARD PLANS ON-SYSTEM MASH GUARD RAIL 11 SHEETS SUPERCEDES GR-200 OFF-SYSTEM MASH GUARD RAIL 1 SHEET SUPERCEDES GR-203 BOX-CULVERT MASH GUARD RAIL 1 SHEET SUPERCEDES GR-202

7 M.A.S.H. HIGHWAY GUARD RAIL STANDARD PLANS NOTABLE CHANGES FROM PREVIOUS G.R. STANDARDS: TOP OF G. R. HEIGHT RAISED TO 31 ABOVE PAVEMENT (PREVIOUSLY 28 ) G.R. SPLICES - OCCUR BETWEEN POSTS (PREVIOUSLY LOCATED ON POSTS) THRIE BEAM RAIL - ONLY USED AT THE BRIDGE RAIL TRANSITION TRAILING END EXTENDS 37-6 (PLUS THE LENGTH OF THE ROUNDED END) BEYOND THE HAZARD 90-DEGREE T-INTERSECTION DETAIL - REMOVED FROM STANDARDS SPECIAL DETAIL CREATED - TO BE USED BY SPECIAL PERMISSION/ DESIGN WAIVER ONLY G.R. DESIGN TABLES AND EQUATIONS - REMOVED FROM THE PLANS REFER TO THE ROADSIDE DESIGN GUIDE AND THE DOTD BRIDGE DESIGN AND EVALUATION MANUAL REFER TO BRIDGE DESIGN TECH. MEMO 76.1

8 GUARD RAIL REHABILITATION SPECIAL DETAILS NOTABLE CHANGES FROM PREVIOUS G.R. RETROFIT DETAILS: G.R. HEIGHT REVISED TO MATCH MASH STANDARD PLANS NOTES REFER TO MASH HIGHWAY GUARDRAIL STANDARD PLANS BOX CULVERT RETROFIT DETAILS REMOVED FROM THE SET 90-DEGREE T-INTERSECTION DETAIL ADDED TO BE USED BY SPECIAL PERMISSION/ DESIGN WAIVER ONLY REFER TO BRIDGE DESIGN TECH. MEMO 76.1 FOR MORE INFORMATION, INCLUDING GUIDANCE ON APPLICABILITY

9 NEW SLAB SPAN SPECIAL DETAILS NEW APPROACH SLAB DESIGN FORCED A REDESIGN OF THE END BENTS FOR SLAB SPAN BRIDGES ADDITIONAL CRITERIA USED IN REDESIGN SPAN-TO-DEPTH RATIO AASHTO/ DOTD B.D.E.M. NEW CLEAR COVER REQUIREMENTS FOR REINFORCING STEEL DOTD B.D.E.M. NEW MASH 36 SINGLE-SLOPE BARRIER WARRANTED A COMPLETE REDESIGN OF THE ON-SYSTEM SLAB SPAN SET

10 NEW SLAB SPAN SPECIAL DETAILS (4) COMMON DETAILS SHEETS TO BE USED WITH EVERY SET OF PLANS SHT. 1 OF 1 GENERAL NOTES AND INDEX OF SLAB SPAN SHEETS

11 NEW SLAB SPAN SPECIAL DETAILS SHT. 1 OF 1 INDEX OF SLAB SPAN SHEETS

12 SLAB SPAN COMMON DETAILS SHT. 2 OF 4: AS-DESIGNED BRIDGE RATINGS

13 SLAB SPAN COMMON DETAILS SHT. 3 OF 4: MISC. COMMON SLAB DETAILS

14 SLAB SPAN COMMON DETAILS SHT. 3 OF 4: COMMON BENT REINFORCING DETAILS

15 SLAB SPAN COMMON DETAILS SHT. 4 OF 4: MISC. COMMON BENT DETAILS

16 SLAB SPAN SPECIFIC DETAILS SPAN DETAILS

17 SLAB SPAN SPECIFIC DETAILS SPAN QUANTITIES

18 SLAB SPAN SPECIFIC DETAILS END BENT

19 SLAB SPAN SPECIFIC DETAILS INTERMEDIATE BENT

20 SLAB SPAN SPECIAL DETAILS REQUIRED SHEETS FOR SLAB SPAN BRIDGES: COMMON DETAILS 4 SHEETS SPAN DETAILS 1 SHEET SPAN QUANTITIES 1 SHEET END BENT DETAILS/ QUANTITIES 1 SHEET INTERMEDIATE BENT DETAILS/ QUANTITIES 1 SHEET REFER TO BDTM.80

21 CONCRETE SURFACE FINISH SPECIAL DETAIL 2016 STANDARD SPECIFICATIONS SECTION SURFACES TO RECEIVE A CLASS 2 AND/OR CLASS 3 FINISH WILL BE AS SPECIFIED IN THE PLANS

22 CONCRETE SURFACE FINISH SPECIAL DETAIL SHEET 2 OF 2 QUANTITIES TABLE TO BE FILLED OUT BY E.O.R. REFER TO BDTM.72

23 PAVEMENT EXPANSION JOINT FOR OVERLAY PROJECTS SHT. 1 OF 4: GEN. NOTES AND INDEX

24 PAVEMENT EXPANSION JOINT FOR OVERLAY PROJECTS SHT. 2 OF 4: REHAB OF EXISTING JOINT

25 PAVEMENT EXPANSION JOINT FOR OVERLAY PROJECTS SHT. 3 OF 4: CONSTRUCTION OF NEW JOINT

26 PAVEMENT EXPANSION JOINT FOR OVERLAY PROJECTS SHT. 4 OF 4: REHAB OF EXISTING APPROACH SLAB REFER TO BDTM.64

27 REVISION OF APPROACH SLAB SPECIAL DETAILS APPROACH SLABS FOR SLAB SPAN/QUAD BEAM BRIDGES WIDTH WAS PREVIOUSLY THE CLEAR WIDTH PLUS 1-0 (6 ON EACH SIDE TO CARRY THE CURB) REMOVED THE EXTRA 1-0. CURB DETAIL REVISED TO BE CARRIED ON THE SIDE OF THE SLAB REMOVED 6 SACRIFICIAL SECTION FOR SLAB SPAN/QUAD BEAM APPROACH SLABS

28 REVISION OF APPROACH SLAB SPECIAL DETAILS REMOVED 2 LAYER OF ASPHALT FROM SLABS ADJACENT TO ASPHALT ROADWAYS REVISED JOINT DETAIL BETWEEN ASPHALT ROADWAY AND APPROACH SLAB REFER TO BDTM.74

29 PLANNED UPCOMING PUBLICATIONS MASH GUARD RAIL FOR MEDIAN AND SHOULDER APPLICATIONS THIS WILL SUPERCEDE GR-201 MASH MEDIAN CONCRETE BARRIER MASH TEMPORARY PRECAST BARRIER

30 PLANNED UPCOMING PUBLICATIONS MASH 36 TALL SINGLE-SLOPE CONCRETE BRIDGE BARRIER TL-4 AASHTO/ FHWA JOINT IMPLEMENTATION AGREEMENT: DEC. 31, 2019

31 PLANNED UPCOMING PUBLICATIONS PREFORMED SILICONE SEAL

32 PLANNED UPCOMING PUBLICATIONS 20 LONG APPROACH SLABS

33 PLANNED UPCOMING PUBLICATIONS LG GIRDERS AND LU GIRDERS

34 PLANNED UPCOMING PUBLICATIONS PLANNED UPDATES: PRECAST PANEL DETOUR BRIDGE ROADSIDE TRAFFIC SIGNS RETAINING WALL YEAR PLATE STEEL WIRE BAR SUPPORT ETC.

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