Table of Contents.......................................................................................................................i General Provisions GP - Section 1: Definitions and Terms.....................................................................................1 GP - Section 2: Bidding Requirements and Conditions ...........................................................9 GP - Section 3: Award and Execution of Contract.................................................................19 GP - Section 4: Scope of Work...............................................................................................21 GP - Section 5: Control of the Work ......................................................................................26 GP - Section 6: Control of Material........................................................................................35 GP - Section 7: Legal Relations and Responsibility to Public ...............................................37 GP - Section 8: Prosecution and Progress ..............................................................................51 GP - Section 9: Payment.........................................................................................................62 Terms and Conditions TC - Section 1: References and Definitions ...........................................................................71 TC - Section 2: Bidding Requirements and Conditions .........................................................77 TC - Section 3: Scope of Work...............................................................................................84 TC - Section 4: Control of Work ............................................................................................86 TC - Section 5: Legal Relations and Progress ........................................................................90 TC - Section 6: Restrictions and Permits................................................................................97 TC - Section 7: Payment.......................................................................................................105 Category 100 - Preliminary 101 — Clearing and Grubbing .............................................................................................124 i 102 — Removal and Disposal of Existing Buildings...........................................................128 103 — Engineers Office .......................................................................................................130 104 — Maintenance of Traffic .............................................................................................138 104.01 — Traffic Control Plan (TCP)..................................................................................139 104.02 — Maintenance of Traffic (MOT)............................................................................141 104.03 — Temporary Raised Pavement Markers (RPMS) ..................................................146 104.04 — Temporary Concrete Traffic Barrier (TCB) for Maintenance of Traffic ............................................................................................147
104.05 Traffic Barrier W-Beam (TBWB)
for Maintenance of Traffic ............................................................................................149
104.06 Tubular Markers ..................................................................................................151 104.07 — Arrow Panel (AP) ................................................................................................152 104.08 — Temporary Traffic Signs (TTS)...........................................................................155 104.09 — Temporary Traffic Barrier End Treatments.........................................................158 104.10 — Temporary Crash Cushion Sand Filled Plastic Barrels (SFPB) ..........................161 104.11 — Temporary Pavement Markings ..........................................................................163 104.12 — Drums for Maintenance of Traffic.......................................................................166 104.13 — Barricades for Maintenance of Traffic ................................................................168 104.14 — Cones for Maintenance of Traffic........................................................................169 104.15 — Flagger .................................................................................................................171 104.16 — Modification of Existing Signs............................................................................172 104.17 — Temporary Movable Type Concrete Traffic Barrier (MCTB) ............................174 104.18 — Traffic Manager (TM) .........................................................................................176
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104.19 Portable Variable Message Signs (PVMS)..........................................................178
104.20 Temporary Orange Construction Fence...............................................................184 104.22 — Automated Flagger Assistance Device (AFAD) .................................................186 104.23 — Protection Vehicle (PV).......................................................................................191 104.24 — Workers Present Trailer (WPT)...........................................................................194 104.26 — Removable Rumble Strips ...................................................................................200 104.27 — Temporary Portable Rumble Strips (TPRS) ........................................................202 104.28 — Speed Display Trailer (SDT) ...............................................................................204 104.29 — Truck Mounted Variable Message Sign (TVMS) ...............................................208 104.30 — Portable Traffic Signal (PTS) ..............................................................................213 104.31 — Accessible Pedestrian Maintenance of Traffic ....................................................218 104.32 — Static Automated Speed Enforcement .................................................................220 104.33 — Flexible Automated Speed Enforcement .............................................................224 105 — Aggregate for Maintenance of Traffic......................................................................229 106 — Asphalt Mixes for Maintenance of Traffic ...............................................................230 107 — Construction Stakeout...............................................................................................231 108 — Mobilization and Demobilization .............................................................................236 109 — Project Schedule .......................................................................................................238 111 — Sampling Devices, Testing and Safety Equipment...................................................255 114 — Truck Staging Areas and Idling Requirements.........................................................261 120 — Tree Preservation ......................................................................................................263 121 — Electronic Ticketing (E-Ticketing)...........................................................................266
iii Category 200 - Grading 201 — Roadway Excavation (Class 1, Class 1-A, Class 2) .................................................272 202 — Channel or Stream Change Excavation (Class 5).....................................................279 203 — Borrow Excavation ...................................................................................................280 204 — Embankment and Subgrade ......................................................................................283 205 — Test Pit Excavation ...................................................................................................287 206 — Removal of Existing Pavement, Sidewalk, Paved Ditches, Curb, or Combination Curb and Gutter, and Monolithic Median .....................................................................288 207 — Removal of Existing Masonry ..................................................................................290 208 — Subgrade Preparation................................................................................................291 209 — Trimming Existing Ditches.......................................................................................293 210 — Tamped Fill...............................................................................................................294 211 — Geosynthethic Stabilized Subgrade Using Graded Aggregate Base ........................295 212 — Subgrade Drainage Blanket ......................................................................................297 Category 300 - Drainage 301 — Class 3 Excavation for Incidental Construction .......................................................300 302 — Selected Backfill.......................................................................................................301 303 — Pipe Culverts.............................................................................................................302 304 — Structural Plate Pipe and Structural Plate Pipe Arch Culverts .................................308 305 — Miscellaneous Structures ..........................................................................................311 306 — Underdrains, Subgrade Drains, and Spring Control .................................................314 307 — Prefabricated Edge Drains ........................................................................................317 308 — Erosion and Sediment Control..................................................................................319 iv 309 — Concrete Ditches.......................................................................................................340 310 — Concrete Slope and Channel Protection ...................................................................342 311 — Riprap Ditches ..........................................................................................................344 312 — Riprap Slope and Channel Protection.......................................................................346 313 — Gabions .....................................................................................................................348 314 — Flowable Backfill......................................................................................................350 315 — Infiltration Trenches .................................................................................................352 316 — Stormwater Management (SWM) Filtration Facilities .............................................354 317 — Stormwater Management (SWM) Facility As-Built Certification ...........................361 Category 400 - Structures 401 — Maintaining Existing Bridge Deck During Life Of Contract ...................................368 402 — Structure Excavation (Class 3) .................................................................................370 403 — Temporary Support of Excavation or Fill.................................................................374 404 — Protection of Existing Structures ..............................................................................376 405 — Removal of Existing Structures ................................................................................379 406 — Drilled Holes in Masonry and Structures .................................................................382 410 — Piling.........................................................................................................................383 411 — Pile Load Test ...........................................................................................................394 412 — Drilled Shafts (Caissons) ..........................................................................................397 413 — Micropiles .................................................................................................................401 418 — Protective Jackets For Piles ......................................................................................413 419 — Subfoundation Investigation.....................................................................................417 v 420 — Portland Cement Concrete Structures.......................................................................418 421 — Reinforcing Steel ......................................................................................................442 422 — Dampproofing and Membrane Waterproofing .........................................................446 423 — Repairs to Concrete Structures .................................................................................449 425 — Lightweight Superstructure Concrete .......................................................................455 426 — Latex Modified Concrete Overlay for Bridge Decks ...............................................457 430 — Metal Structures........................................................................................................468 431 — Steel Stud Shear Developers.....................................................................................482 432 — Bearings ....................................................................................................................483 433 — Bridge Mounted Sign Supports ................................................................................486 435 — Cleaning and Painting New Structural Steel ............................................................488 436 — Cleaning and Painting Existing Structural Steel.......................................................495 440 — Prestressed Concrete Beams and Slab Panels...........................................................521 450 — Retaining Walls ........................................................................................................536 455 — Noise Barriers ...........................................................................................................539 456 — Architectural Treatment............................................................................................547 458 — Ornamental Fencing on Structures ...........................................................................552 460 — Expansion Joints in Structures..................................................................................555 461 — Metal Railing ............................................................................................................564 462 — Timber Structures .....................................................................................................566 463 — Brick Masonry ..........................................................................................................570 464 — Epoxy Protective Coatings for Concrete ..................................................................573 vi 465 — Miscellaneous Coatings for Metal (Steel) ................................................................575 469 — Porous Backfill .........................................................................................................579 470 — Utilities on Structures ...............................................................................................580 475 — Removal and Replacement of Hot Mix Asphalt (HMA) Wearing Surface..............582 476 — Protection for Scour and Undermined Areas............................................................584 477 — Repointing Existing Masonry ...................................................................................586 478 — Jacking Beam Operations .........................................................................................587 479 — Pressure Injected Epoxy Crack Repair .....................................................................590 481 — Removing Existing Bridge Scuppers and Downspouts ............................................593 482 — Invert of Paving Structures .......................................................................................594 483 — Coal Tar Epoxy Coating ...........................................................................................599 495 — Application of Bridge/Structure Numbers................................................................602 499 — Working Drawings....................................................................................................603 Category 500 – Paving 501 — Untreated Aggregate Base Courses ..........................................................................606 502 — Cement Treated Base Course and Cement Modified Subgrade ...............................609 503 — Chip Seal Surface Treatment ....................................................................................617 504 — Asphalt Pavement .....................................................................................................620 505 — Asphalt Patches.........................................................................................................636 506 — Gap-Graded Stone Matrix Asphalt ...........................................................................641 507 — Slurry Seal and Micro-Surfacing ..............................................................................645 508 — Milling Asphalt Pavement ........................................................................................653 vii 509 — Diamond Grinding ....................................................................................................657 510 — Sealing Cracks and Joints in Asphalt Pavements .....................................................659 511 — Open Graded Friction Course...................................................................................665 512 — Surface Abrasion ......................................................................................................668 513 — Foamed Asphalt Stabilized Base Course..................................................................671 520 — Plain and Reinforced Portland Cement Concrete Pavements...................................676 521 — Continuously Reinforced Portland Cement Concrete Pavement..............................686 522 — Portland Cement Concrete Pavement Repairs..........................................................689 523 — Joint Sealing of Portland Cement Concrete Pavements ...........................................694 524 — Dowel Bar Retrofit ...................................................................................................696 525 — Portland Cement Concrete Spall Repair ...................................................................699 528 — Resurfacing Asphalt Pavement Using Portland Cement Concrete...........................701 535 — Pavement Surface Profile .........................................................................................705 549 — Pavement Markings ..................................................................................................710 550 — Pavement Marking Paint...........................................................................................714 551 — Pavement Marking Tape...........................................................................................717 552 — Inlaid Pavement Marking Tape ................................................................................719 553 — Epoxy Pavement Markings.......................................................................................723 554 — Thermoplastic Pavement Markings ..........................................................................726 555 — Thermoplastic Pavement Markings - 40 Mil High Binder .......................................730 556 — Preformed Thermoplastic Pavement Markings ........................................................733 557 — Snowplowable Raised Pavement Markers................................................................735 viii 558 — Removal of Existing Pavement Markings ................................................................739 559 — Polyurea Pavement Markings ...................................................................................742 Category 600 – Shoulders 601 — Earth Shoulders.........................................................................................................745 602 — Curb, Combination Curb and Gutter, and Monolithic Median.................................746 603 — Sidewalks..................................................................................................................750 604 — Concrete Traffic Barriers..........................................................................................753 605 — Metal Traffic Barriers ...............................................................................................756 606 — Permanent Traffic Barrier End Treatments ..............................................................762 607 — Chain Link Fence......................................................................................................766 608 — Wheel Stops ..............................................................................................................769 609 — Shoulder Edge Drop Off Grading Adjustment .........................................................770 610 — Shoulder Rumble Strips............................................................................................772 611 — Detectable Warning Surface .....................................................................................774 612 — Cable Barrier System................................................................................................776 613 — Driveways and Entrances .........................................................................................780 Category 700 – Landscaping 701 — Subsoil and Topsoil ..................................................................................................783 704 — Temporary Mulch and Temporary Seed...................................................................789 705 — Turfgrass Establishment ...........................................................................................793 706 — Shrub Seeding Establishment ...................................................................................799 707 — Meadow Establishment.............................................................................................806 ix 708 — Turfgrass Sod Establishment ....................................................................................813 709 — Soil Stabilization Matting .........................................................................................818 710 — Tree, Shrub and Perennial Installation and Establishment .......................................825 711 — Annuals and Bulbs Installation and Establishment ..................................................839 712 — Tree Branch Pruning.................................................................................................845 713 — Brush Removal .........................................................................................................848 714 — Tree Felling and Stump Removal .............................................................................851 715 — Tree Root Pruning.....................................................................................................854 716 — Tree Fertilizing .........................................................................................................856 Category 800 – Traffic 801 — Concrete Foundations ...............................................................................................859 802 — Galvanized Steel Beam Sign Posts ...........................................................................861 803 — Overhead Sign Structures .........................................................................................862 804 — Grounding .................................................................................................................863 805 — Electrical Conduit and Fittings .................................................................................865 806 — Luminaires and Lamps .............................................................................................867 807 — Electrical Service Equipment ...................................................................................871 808 — Lighting Structures ...................................................................................................875 809 — Trenching and Backfilling ........................................................................................877 810 — Electrical Cable, Wire, and Connectors....................................................................878 811 — Electrical Hand Holes, Manholes, Pull and Junction Boxes ....................................881 812 — Wood Sign Supports .................................................................................................883 x 813 — Signs .........................................................................................................................884 814 — Signal Heads .............................................................................................................886 815 — Saw Cuts for Traffic Control Devices ......................................................................887 816 — Traffic Control Device Cabinets and Equipment .....................................................888 817 — Push Buttons and Push Button Signs........................................................................890 818 — Signal Structures.......................................................................................................892 819 — Steel Span Wire ........................................................................................................893 820 — General Electrical Work and Testing .......................................................................894 821 — Breakaway Base Support Systems............................................................................896 822 — Remove and Relocate Existing Signs and Sign Structures.......................................897 823 — Remove and Relocate or Remove and Dispose of Roadway Lighting Structures ...899 824 — Modify Existing Sign Messages ...............................................................................900 825 — Cutting and Capping Mast Arms and Poles..............................................................902 Category 900 - Materials 900 — General......................................................................................................................903 901 — Aggregates ................................................................................................................908 902 — Portland Cement Concrete and Related Products.....................................................915 903 — Masonry Products .....................................................................................................934 904 — Performance Graded Asphalt Binders and Asphalt Mixes .......................................936 905 — Pipe ...........................................................................................................................945 906 — Gabions .....................................................................................................................952 907 — Piles and Piling .........................................................................................................953 xi 908 — Reinforcing Steel ......................................................................................................954 909 — Metals .......................................................................................................................956 910 — Bearings ....................................................................................................................959 911 — Joints .........................................................................................................................961 912 — Coating Systems for Structural Steel........................................................................971 913 — Waterproofing...........................................................................................................976 914 — Chain Link Fence......................................................................................................979 915 — Production Plants ......................................................................................................981 916 — Soil and Soil Aggregate Borrow...............................................................................998 917 — Miscellaneous Protective Coatings...........................................................................999 918 — Traffic Barriers .......................................................................................................1003 919 — Geotextiles ..............................................................................................................1004 920 — Landscaping Materials............................................................................................1006 921 — Miscellaneous .........................................................................................................1035 922 — Prefabricated Edge Drains ......................................................................................1041 923 — Slurry Seal and Micro-Surfacing ............................................................................1043 924 — Cold Patch Material ................................................................................................1045 925 — Detectable Warning Surface ...................................................................................1049 926 — Foamed Asphalt Stabilized Base Course Mix ........................................................1051 927 — Open Graded Friction Course Mix .........................................................................1054 930 — Price Adjustment for Steel......................................................................................1056 950 — Traffic Materials .....................................................................................................1060 xii GP - SECTION 1: DEFINITIONS AND TERMS 2025 STANDARD SPECIFICATIONS FOR CONSTRUCTION AND MATERIALS GENERAL PROVISIONS GP - SECTION 1: DEFINITIONS AND TERMS GP-1.01 GENERAL Portions of Part III Technical Requirements of these Standard Specifications for Construction and Materials are written in the Active Voice writing style. Wherever in these General Provisions or in other Contract Documents the terms or abbreviations are used, the meaning shall be as provided herein. GP-1.02 ORGANIZATIONAL STRUCTURE The Maryland Department of Transportation is composed of the following Administrations:
i.Maryland Port Administration (ii) Maryland Transit Administration (iii) State Highway Administration (iv) Maryland Aviation Administration (v) Motor Vehicle Administration (vi) Maryland Transportation Authority ; and (vii) Office of the Secretary GP-1.03 ORGANIZATIONAL DEFINITIONS Administration—The word "Administration" shall mean any one of the Administrations within the Maryland Department of Transportation, as listed in GP-1.02 Administrator—The chief executive officer of an Administration. Department—The word "Department" shall mean the Maryland Department of Transportation. Engineer—Any person designated by the Administrator or the procurement officer, acting directly or through his duly authorized representative, such representative acting within the scope of the particular duties assigned to him or of the authority given him.
Source: Maryland Standard Specifications for Construction and Materials, 2025 Edition. Pages 2–13 of 1,113.