STANDARD SPECIFICATIONS for CONSTRUCTION and …

Maryland Department of Transportation State Highway Administration

STANDARD SPECIFICATIONS for

CONSTRUCTION and

MATERIALS

July, 2020

TABLE OF CONTENTS

GENERAL PROVISIONS

1

Section 1: Definitions and Terms

1

Section 2: Bidding Requirements and Conditions

9

Section 3: Award and Execution of Contract

19

Section 4: Scope of Work

21

Section 5: Control of the Work

26

Section 6: Control of Material

35

Section 7: Legal Relations and Responsibility to Public

37

Section 8: Prosecution and Progress

51

Section 9: Payment

62

TERMS AND CONDITIONS

71

Section 1: References and Definitions

71

Section 2: Bidding Requirements and Conditions

77

Section 3: Scope of Work

84

Section 4: Control of Work

86

Section 5: Legal Relations and Progress

90

Section 6: Restrictions and Permits

97

Section 7: Payment

105

CATEGORY 100 PRELIMINARY

122

Section 101 -- Clearing and Grubbing

122

Section 102 -- Removal and Disposal of Existing Buildings

126

Section 103 -- Engineers Office

128

Section 104 -- Maintenance of Traffic

136

Section 105 -- Aggregate for Maintenance of Traffic

204

Section 106 -- Asphalt Mixes for Maintenance of Traffic

205

Section 107 -- Construction Stakeout

206

2020 Standard Specifications for Construction and Materials

Section 108 -- Mobilization and Demobilization

211

Section 109 -- Project Schedule

213

Section 111 -- Sampling Devices, Testing and Safety Equipment

230

Section 114 -- Truck Staging Areas and Idling Requirements

236

Section 120 -- Tree Preservation

238

CATEGORY 200 GRADING

241

Section 201 -- Roadway Excavation (Class 1, Class 1-A, Class 2)

241

Section 202 -- Channel or Stream Change Excavation (Class 5)

247

Section 203 -- Borrow Excavation

248

Section 204 -- Embankment and Subgrade

251

Section 205 -- Test Pit Excavation

254

Section 206 -- Removal of Existing Pavement, Sidewalk, Paved Ditches, Curb, or

Combination Curb And Gutter

255

Section 207 -- Removal of Existing Masonry

257

Section 208 -- Subgrade Preparation

258

Section 209 -- Trimming Existing Ditches

260

Section 210 -- Tamped Fill

261

Section 211 -- Geosynthethic Stabilized Subgrade Using Graded Aggregate Base 262

CATEGORY 300 DRAINAGE

264

Section 301 -- Class 3 Excavation for Incidental Construction

264

Section 302 -- Selected Backfill

265

Section 303 -- Pipe Culverts

266

Section 304 -- Structural Plate Pipe and Structural Plate Pipe Arch Culverts

272

Section 305 -- Miscellaneous Structures

275

Section 306 -- Underdrains, Subgrade Drains, and Spring Control

278

Section 307 -- Prefabricated Edge Drains

281

Section 308 -- Erosion and Sediment Control

283

Section 309 -- Concrete Ditches

299

2020 Standard Specifications for Construction and Materials

Section 310 -- Concrete Slope and Channel Protection

301

Section 311 -- Riprap Ditches

303

Section 312 -- Riprap Slope and Channel Protection

305

Section 313 -- Gabions

307

Section 314 -- Flowable Backfill

309

Section 315 -- Infiltration Trenches

311

Section 316 -- Stormwater Management (SWM) Filtration Facilities

313

Section 317 -- Stormwater Management (SWM) Facility As-Built Certification 320

CATEGORY 400 STRUCTURES

327

Section 401 -- Maintaining Existing Bridge Deck During Life of Contract

327

Section 402 -- Structure Excavation (Class 3)

329

Section 404 -- Protection of Existing Structures

333

Section 405 -- Removal of Existing Structures

336

Section 406 -- Drilled Holes in Existing Masonry

339

Section 410 -- Piling

340

Section 411 -- Pile Load Test

351

Section 412 -- Drilled Shafts (Caissons)

354

Section 418 -- Protective Jackets for Piles

358

Section 419 -- Subfoundation Investigation

362

Section 420 -- Portland Cement Concrete Structures

363

Section 421 -- Reinforcing Steel

387

Section 422 -- Dampproofing and Membrane Waterproofing

391

Section 423 -- Pneumatically Applied Mortar

394

Section 425 -- Lightweight Superstructure Concrete

398

Section 426 -- Latex Modified Concrete Overlay for Bridge Decks

400

Section 430 -- Metal Structures

411

Section 431 -- Steel Stud Shear Developers

424

Section 432 -- Bearings

425

2020 Standard Specifications for Construction and Materials

Section 433 -- Bridge Mounted Sign Supports

427

Section 435 -- Cleaning and Painting New Structural Steel

429

Section 436 -- Cleaning and Painting Existing Structural Steel

436

Section 440 -- Prestressed Concrete Beams and Slab Panels

461

Section 450 -- Retaining Walls

476

Section 455 -- Noise Barriers

479

Section 456 -- Architectural Treatment

487

Section 460 -- Expansion Joints in Structures

492

Section 461 -- Metal Railing

495

Section 462 -- Timber Structures

497

Section 463 -- Brick Masonry

501

Section 464 -- Epoxy Protective Coatings for Concrete

504

Section 465 -- Miscellaneous Coatings for Metal (Steel)

506

Section 469 -- Porous Backfill

510

Section 470 -- Utilities on Structures

511

Section 495 -- Application of Bridge/Structure Numbers

513

Section 499 -- Working Drawings

514

CATEGORY 500 PAVING

516

Section 501 -- Aggregate Base Courses

516

Section 502 -- Soil-Cement Base Course

520

Section 503 -- Chip Seal Surface Treatment

523

Section 504 -- Asphalt Pavement

526

Section 505 -- Asphalt Patches

542

Section 506 -- Gap-Graded Stone Matrix Asphalt

547

Section 507 -- Slurry Seal and Micro-Surfacing

550

Section 508 -- Milling Asphalt Pavement

558

Section 509 -- Diamond Grinding

562

Section 510 -- Filling and Sealing Cracks and Joints in Asphalt Pavements

564

2020 Standard Specifications for Construction and Materials

Section 511 -- Open Graded Friction Course

568

Section 512 -- Surface Abrasion

571

Section 513 -- Foamed Asphalt Stabilized Base Course

574

Section 520 -- Plain and Reinforced Portland Cement Concrete Pavements

579

Section 521 -- Continuously Reinforced Portland Cement Concrete Pavement

589

Section 522 -- Portland Cement Concrete Pavement Repairs

592

Section 523 -- Joint Sealing of Portland Cement Concrete Pavements

597

Section 524 -- Dowel Bar Retrofit

599

Section 525 -- Portland Cement Concrete Spall Repair

602

Section 528 -- Resurfacing Asphalt Pavement Using Portland Cement Concrete 604

Section 535 -- Pavement Surface Profile

608

Section 549 -- Pavement Markings

613

Section 550 -- Pavement Marking Paint

617

Section 551 -- Pavement Marking Tape

620

Section 552 -- Inlaid Pavement Marking Tape

622

Section 553 -- Epoxy Pavement Markings

626

Section 554 -- Thermoplastic Pavement Markings

629

Section 555 -- Thermoplastic Pavement Markings?40 Mil High Binder

633

Section 556 -- Preformed Thermoplastic Pavement Markings

636

Section 557 -- Snowplowable Raised Pavement Markers

638

Section 558 -- Removal of Existing Pavement Markings

642

Section 559 -- Polyurea Pavement Markings

645

CATEGORY 600 SHOULDERS

648

Section 601 -- Earth Shoulders

648

Section 602 -- Curb, Combination Curb and Gutter, and Monolithic Median

649

Section 603 -- Sidewalks

653

Section 604 -- Concrete Traffic Barriers

656

Section 605 -- Metal Traffic Barriers

659

2020 Standard Specifications for Construction and Materials

Section 606 -- Permanent Traffic Barrier End Treatments

664

Section 607 -- Chain Link Fence

668

Section 608 -- Wheel Stops

671

Section 609 -- Shoulder Edge Drop Off Grading Adjustment

672

Section 610 -- Shoulder Rumble Strips

674

Section 611 -- Detectable Warning Surface

676

CATEGORY 700 LANDSCAPING

678

Section 701 -- Subsoil and Topsoil

678

Section 704 -- Temporary Mulch and Temporary Seed

684

Section 705 -- Turfgrass Establishment

688

Section 706 -- Shrub Seeding Establishment

694

Section 707 -- Meadow Establishment

701

Section 708 -- Turfgrass Sod Establishment

708

Section 709 -- Soil Stabilization Matting

713

Section 710 -- Tree, Shrub and Perennial Installation and Establishment

720

Section 711 -- Annuals and Bulbs Installation and Establishment

734

Section 712 -- Tree Branch Pruning

740

Section 713 -- Brush Removal

743

Section 714 -- Tree Felling and Stump Removal

746

Section 715 -- Tree Root Pruning

749

Section 716 -- Tree Fertilizing

751

CATEGORY 800 TRAFFIC

754

Section 801 -- Concrete Foundations

754

Section 802 -- Galvanized Steel Beam Sign Posts

756

Section 803 -- Overhead Sign Structures

757

Section 804 -- Grounding

758

Section 805 -- Electrical Conduit and Fittings

760

Section 806 -- Luminaires and Lamps

762

2020 Standard Specifications for Construction and Materials

Section 807 -- Electrical Service Equipment

766

Section 808 -- Lighting Structures

770

Section 809 -- Trenching and Backfilling

772

Section 810 -- Electrical Cable, Wire, and Connectors

773

Section 811 -- Electrical Hand Holes, Manholes, Pull and Junction Boxes

776

Section 812 -- Wood Sign Supports

778

Section 813 -- Signs

779

Section 814 -- Signal Heads

781

Section 815 -- Saw Cuts for Traffic Control Devices

782

Section 816 -- Traffic Control Device Cabinets and Equipment

783

Section 817 -- Push Buttons and Push Button Signs

785

Section 818 -- Signal Structures

787

Section 819 -- Steel Span Wire

788

Section 820 -- General Electrical Work and Testing

789

Section 821 -- Breakaway Base Support Systems

791

Section 822 -- Remove and Relocate Existing Signs and Sign Structures

792

Section 823 -- Remove and Relocate or Remove and Dispose of Roadway Lighting

Structures

794

Section 824 -- Modify Existing Sign Messages

795

Section 825 -- Cutting and Capping Mast Arms And Poles

796

CATEGORY 900 MATERIALS

797

Section 900 -- General

797

Section 901 -- Aggregates

802

Section 902 -- Portland Cement Concrete and Related Products

809

Section 903 -- Masonry Products

828

Section 904 -- Performance Graded Asphalt Binders and Asphalt Mixes

830

Section 905 -- Pipe

839

Section 906 -- Gabions

846

2020 Standard Specifications for Construction and Materials

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