Standard Specifications for Highway Bridges

... Schenectady . Do .... Schoharie .. Livingston County Historical Society ( Geneseo George S. Williams in charge . | Museum of the American Indian ( Heye Founda- George G. Heye , director . Washington Headquarters Association ( Jumel Mrs ...

... CLEARING AND GRUBBING Description 201.01 This work shall consist of clearing , grubbing , removing and disposing , or using of all vegetation and debris as designated in the contract , except such objects as are designated to remain in ...

... snug - tight condition . Snug tight is indicated by partial compression of the direct tension indicator protrusions . Then tighten all fasteners systematically from the most rigid part of the connection to the free edges in a manner ...

... ( ASTM C39 ) . When air entrained concrete is specified , it shall have an air content of 6 per cent plus or minus 2 ... A123 ) . Malleable iron castings shall conform to the requirements of AASHTO M 106 ( ASTM A47 ) . Grade will be ...

... Houses . When required , there shall be provided a house or houses of such dimensions and type of construction as will adequately provide both for the protection of the power equipment and portions of the operating machinery directly ...

... CLEARING AND GRUBBING Description 201.01 This work shall consist of clearing , grubbing , re- moving and disposing of all vegetation and debris within the designated limits except such objects as are designated to remain in place or are ...

... bolt with hexagonal nuts and heads except that ribbed bolts shall have ... nominal diameter 3/4 inch and over . Heads of bolts shall be tapped with a ... nominal size specified or the next larger nominal size . Diameter of threads shall ...

... A 440 . ( f ) High - strength low - alloy structural steel . ( g ) High - strength , low - alloy structural man- ganese vanadium steel ( to be used for AASHO M 161 welding ) . ( h ) Structural nickel steel ... ( i ) Structural rivet ...

... M 253 ( ASTM A 490 ) bolts except as follows : • • Hardened washers shall be used under the turned element when tensioning is to be performed by cal- ibrated wrench method . Irrespective of the tensioning method , hardened washers shall ...

... ASTM A1011 , Grade 55 ( 380 ) and the following : ( a ) Punching . Starting 1 inch ( 25 millimeters ) from the top and extending the full length of the post , drill or punch 7 / 16 - inch ( 11 - millimeter ) holes on 1 - inch ( 25 ...

... AASHTO M 170 ( ASTM C76 ) . Water absorption of individual cores taken from ... 199 ( ASTM C478 ) . 712.07 Frames , Gratings , Covers , and Ladder Rungs ... AASHTO M 105 ( ASTM A48 ) . Strength class will be optional unless otherwise ...

... ( ASTM C478 ) . 712.07 Frames , Gratings , Covers , and Ladder Rungs . Metal units shall conform to the plan dimensions and to the following specification requirements for the designated ma- terials . Metal gratings and covers which are ...

The Standard Specifications for Highway Bridges is intended to serve as a standard or guide for the preparation of State specifications and for reference by bridge engineers.

... requirements of ASTM A 233 ( AWS A5.1 ) . In lieu of requiring the contractor to furnish copies of test reports for each shipment of electrodes on a project , a list of approved brands of electrodes may be maintained for which ...

... AASHTO T 96 . The aggregate shall show a durability factor not less than 35 ... M 91 , Grade SM . Sewer Brick - ASTM C 32 , Grade SM . Building Brick ... 213 , AASHTO M 220 , as specified , and shall be punched to admit the dowels where ...

... live load requires consideration , it gives an added degree of safety to use deformed bars . Where a spandrel filling or ballast is used on top of the arch ring , the dynamic effect of the live load on highway and elec- tric railway ...

... truss design . Any type of king post highway bridge is now quite rare in Wisconsin . The city of Port Washington has one all - metal example ( D ) , and the Van Loon Wildlife Region near La Crosse has one all - timber example ( E ) ...