PART I

SPECIFICATIONS

=Introductory= PAGE Value of general specifications 1 Theory of specifications 1 Street paving work 2 Specifications should be fair and just to contractor 4 Relations of contractor to municipality 6 Advertisements for proposals 7 Instructions to bidders 9 Relation between specifications and contract 9 Specifications 9 Preparation of specifications 9 Engineer as arbiter 11 Itemized unit prices 12

SPECIFICATIONS

=General= PAGE SECTION General description of work 13 Definitions 14 1 Changes in plans and specifications 15 3 Quality of material and work 15 4 Inspection 15 5 Injury to persons and property 16 6 Sanitary and public convenience 16 7–9 Disorderly employees 17 10 Order and progress of work 17 11 Pavement datum 18 12 City monuments and stakes 18 13 Old and new material 18 14–15 Adjusting street structures 18 16 Connection with existing pavements 19 18 Measurements and computations 20 21 Incidental and extra work 20 23–24 Guaranty 21 25 Preparing the sub-grade 22 26 =Foundations= Concrete foundations—Portland cement 24 28–29 Sand 26 30 Stone 26 31 Care of materials 27 33 Ratios 27 34 Mixing Concrete 28 35 Placing concrete 29 36 Setting of concrete 29 37 Foundation of old paving stone 30 39 Foundation of broken stone 31 40–41 =Sheet asphalt pavement= General note 33 Crude and refined asphalts 36 43–46 Tempering agent 38 47 Sand 38 48 Pulverized stone 39 49 Asphaltic paving cement 39 50 Composition, surface mixture 40 51 Base course 42 52–54 Laying asphalt pavement 42 55–58 Plant 45 59 =Asphalt block pavement= Sub-grade and foundation 46 60–61 Asphalt block 46 62 Composition and quality 46 63–64 Laying blocks 48 66 =Granite block pavement= Granite blocks 50 71 Sand cushion 51 72 Setting blocks 51 73–74 Filling joints 52 75 Bridge and crossing stone 55 79 =Brick pavement= Sub-grade and foundation 56 80–81 Paving brick 56 82–84 Delivering brick 58 85 Sand cushion 58 86 Setting the brick 59 87–89 Filling the joints 60 90 =Wood-block pavement= Sub-grade and foundation 62 92–93 Wood-blocks 63 94 Creosote oil 65 95 Preservative treatment 65 96 Laying wood-blocks 66 97 Filling joints 68 98 Inspection 68 99 Expansion joints 68 101 =Bituminous concrete pavement= General note 69 Sub-grade and foundation 70 103–109 Bituminous concrete 71 110 Mixing and laying 73 111–112 =Hydraulic concrete pavement= Sub-grade and foundation 73 113 Bottom course 74 115 Top, or surface, course 74 116–120 Expansion joints 76 121 Bituminous surface 77 122 =Experimental or Untried Pavements= 78 123–126 =Concrete Curb and Gutter= General 80 127 Excavation and drainage 81 128–129 Concrete 81 130 Weather 82 132 Expansion joints 82 133 Circular corners 83 134 Steel protection 83 135 Finishing, forms, etc. 83 136–138 Payment for 84 139 =Concrete Sidewalks= General note 84 General dimensions 84 140 Grading 85 141 Drainage 85 142–143 Bottom course 86 144 Surface course 86 145 Expansion joints 87 147 Weather 88 149 Regrading 88 150 Repairing defects 88 151 Measurement and payment 88 152