Specifications for Construction of Roads and Bridges in National Forests and National Parks, 1941

United States. Bureau of Public Roads, United States. Public Roads Administration

U.S. Government Printing Office, 1941 - 512 pages

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Selected pages

General ReqUIREMENTS AND Covenants	ix

Bidding Requirements and Conditions 7	ix

Control of Work	13

Legal Relations and Responsibility to the Public	23

Prosecution and Progress_ _ _	30

Measurement and Payment	41

21A Random Grubbing Pay areas limited by defini	53

Item Page 38 Obliteration of Old Roadways	94

Treated and Untreated Timber____	339

Dry Rubble Masonry__	348

Foundation Masonry	350

Cement Rubble Masonry__	353

Class B Stone Masonry__	358

Class A Stone Masonry	363

Stone Masonry in Parapets	369

Stone Masonry Facing for Concrete	371

Roadside Cleanup Wooded areas	96

Spot Subgrade Reinforcement__	99

Subgrade Preparation of new subgrade	101

Finishing Earth Graded Roads Special finishing of new subgrade	103

Fine Grading Subgrade and Shoulders Reprepa ration of previously constructed subgrades	105

Shoulders__	107

Watering	109

Selected Borrow Base Course	110

Stabilized Soil Base Course	113

Gravel Base Course__	117

52A Crushed Gravel or Crushed Stone Base Course	122

Telford Base Course__	127

Sledged Stone Base Course___	129

Dry Choked Stone or Slag Base Course_	131

Waterbound Macadam Base Course	134

Reconstructed Stone or Gravel Base Course_	140

Reconditioning of Used Roadbed Preparatory to bituminizing	143

Bituminous Macadam Base Course Asphalt or tar	145

Hot Bituminous Concrete Base Course	151

SURFACE COURSES AND PAVEMENTS 100 Selected Borrow Surface Course_	163

Gravel Surface Course _ _ _	166

Crushed Gravel or Crushed Stone Surface Course	171

Bituminous Prime Coat__	176

Bituminous Tack Coat_	179

Bituminous Preservative Treatment	181

Class A Seal Coats _ _ _	189

Class A Surface Treatments	196

Class B1 Dense Graded RoadMix Surface 1	203

Class B2 Dense Graded PlantMix Surface Course	211

Class C1 Dense Graded RoadMix Surface Course	218

Item Page 123 Class C2 Open Graded RoadMix Surface Course_	226

Class D Type D1 Mosaic Macadam Pavement Asphalt or tar	234

Class D Type D2 Three Application Macadam Pavement Asphalt or tar	240

Class E1 Macadam Pavement PlantMix Seal Coat Asphalt or tar	247

Class E2 Type EM Four Application Macadam Pavement Emulsified asphalt	261

Class F Type F1 Dense Graded PlantMix	267

Class F Type F2 Open Graded PlantMix	276

STRUCTURES	281

Concrete and Stone Masonry Bridges	283

Steel Bridges	288

Timber Bridges	291

Log Bridges	296

Log Culverts	298

Culverts and Retaining Walls	299

Concrete Classes A B D and S	300

A Concrete Classes XA XB XC XX XY and XS	324

Reinforcing Steel	330

Structural Steel	332

Dimensioned Masonry	374

Brick Masonry	380

Reinforced Concrete Culvert Pipe	382

Vitrified Clay Culvert Pipe	384

Cast Iron Culvert Pipe	386

Corrugated Galvanized Sheet Metal Culvert Pipe	388

Bituminous Coated Corrugated Sheet Metal Cul vert Pipe Type 1	395

Bituminous Coated Corrugated Sheet Metal Cul vert Pipe Type 2	401

Removing Cleaning and Stockpiling or Relaying Salvaged Culvert Pipe	404

INCIDENTAL CONSTRUCTION 300 Piling	405

Loose Riprap	415

DerrickPlaced Rock Retaining Wall	416

HandLaid Rock Embankment	418

Concrete Cribbing	419

Metal Cribbing	421

Timber and Log Cribbing	423

Underdrains__	426

Drop Inlets and Catch Basins	430

Embankment Spillways__	433

Grouted Rubble Gutter	435

Concrete Curb and Combination Concrete Curb and Gutter	437

Bituminous Gutter	440

Concrete Sidewalk	442

Brick Sidewalk	444

Bituminous Sidewalk	447

Waterproofing	449

Dampproofing	453

Conditioning of Subfloor For bituminous wearing 1	455

MineralSurfaced Asphalt Plank	456

Bronze Bearing Plates	458

Copper Flashing	459

Blast Plates	460

RightofWay Monuments__	462

Concrete Maintenance Marker Posts	463

Timber Culvert Markers____	464

Cattle Guards	465

Barbed Wire Fence_	466

Gates__	467

Traffic Stripe	468

Timber Guide Posts	469

Hubhigh Wood Guardrail_	470

Furnishing and Placing Loamy Topsoil	472

Cutting Lifting and Placing Sod	474

Seeding	476

Furnishing Seed	478

DESIGN DETAILS	485

Index	508

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Specifications for Construction of Roads and Bridges in National Forests and ...
United States. Bureau of Public Roads,United States. Public Roads Administration
Full view - 1941

Common terms and phrases

A.A.S.H.O. Method amount application of bituminous approved Asphaltic Concrete backfilling base course material BASIS OF PAYMENT bid price bid schedule bituminous material borrow pits broom cement center line Class Class A Surface cleaned coarse aggregate cofferdams compacted compensation for furnishing complete the item concrete conform constitute full compensation CONSTRUCTION METHODS contract unit price contractor cover aggregate creosote oil crushed stone cubic yard Culvert Pipe designated determined as provided embankment Emulsified engineer equipment feet filler finished grade gravel grubbing gutters inches incidentals necessary item shall consist joints layer masonry meet the requirements metal METHOD OF MEASUREMENT mixing mixture mortar necessary to complete paid pavement payment shall constitute percent piles plant portland cement pounds price and payment removed roller rolling seal coat specific gravity spread square yard stockpiles structure subgrade surface course temperature thickness timber tion tons topsoil uniform whichever is called width windrow yardage zinc chloride

Popular passages

Page 134 - The gallonage or tonnage determined as provided above, shall be paid for at the respective contract unit price per gallon or ton in the bid schedule for bituminous prime coat which price and payment shall be full compensation for furnishing, delivering and applying the material, for...

Appears in 3 books from 1941-1948

Bibliographic information

Title	Specifications for Construction of Roads and Bridges in National Forests and National Parks, 1941
Authors	United States. Bureau of Public Roads, United States. Public Roads Administration
Publisher	U.S. Government Printing Office, 1941
Original from	the University of California
Digitized	28 Nov 2007
Length	512 pages

Export Citation	BiBTeX EndNote RefMan

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