1078 Steel fabric chain link fence shall be as shown on the plans and as set out above. A Type C certification in accordance with 916 shall be provided for the steel fabric chain link fence. 1. Tension Wire Tension wire intended for use on the top or bottom of steel chain link fence or on the bottom of farm field fence, when specified, shall be spring coil or crimped steel wire with an initial diameter of 0.177 ±0 .005 in., a minimum breaking load of 1,950 1110 lb, and a coating of either zinc or aluminum. The minimum weight (mass) of coating shall be 0.80 oz/sq ft for galvanized wire and 0.40 oz/sq ft for aluminum coated steel wire. The weight of aluminum coating shall be determined in accordance with ASTM A428. A Type C certification in accordance with 916 shall be provided for the tension wire. 2. Stretcher Bars, Truss Rods, and Turnbuckles Stretcher bars shall be 3/16 by 3/4 in. flat bars. These bars, truss rods, turnbuckles, 1120 and necessary fittings shall be of good commercial quality steel, malleable iron, or wrought iron. They shall be galvanized in accordance with ASTM A153 after fabrication. The turnbuckles shall be made from drop forged malleable iron. They shall have a minimum take up of 4 in. The fittings may be pressed or rolled steel, forged steel, cast steel, or malleable iron.
3.Braces Braces shall be made of steel pipe with bolted steel couplings or connections. Steel pipe shall be in accordance with ASTM F1083. They shall be galvanized as set out therein. Fabrication or manipulation that causes minor damage to the galvanized 1130 coating shall be corrected by approved application of a high zinc dust-zinc oxide paint conforming to the requirements of Federal Specification TT-P-641 Type II or Military Specifications DOD-P-21035. When spray paints are used, two coats shall be applied. Damaged braces will be rejected. 4. Barbed Wire Barbed wire used at the top and bottom of farm field fence, or as otherwise specified, and in accordance with 603 shall be in accordan ce with applicable provisions of ASTM A121. It shall be composed of No. 12 1/2 gauge (2.5 mm) galvanized or aluminum coated steel wire with four round 14 gauge (2.0 mm) barbs at 1140 approximately 5 in. spacing. The galvanized coating shall be in accordance with class 3 in Table 2. The minimum al uminum coating shall be in accordance with class 60 for the line wire and class 20 for the barb wire. The weight of coating shall be determined in accordance with ASTM A428. The use of aluminum barbs, in accordance with ASTM B211, alloy 5052-H38, nominal diameter No. 12 gauge, will be allowed. 910.18 1079 The use of barbed wire with No. 15 1/2 gauge (1.70 mm), high tensile strength line wires, and No. 16 1/2 gauge (1.47 mm) barbs will be allowed. The barbs shall be round with four points and spaced at approximately 5 in. intervals. The barbed wire shall be in accordance with ASTM A121. The galvanized coating shall be in 1150 accordance with class 3 in Table 2. A type C certification in accordance with 916 shall be provided for the barbed wire.
5.Bridge Railing Pedestrian Fence Fence posts and horizontal rails shall be in accordance with 910.13(b)1. The zinc- coating weight shall not be less than 2 oz/sq ft. Base plates shall be steel in accord ance with ASTM A709, grade 36 or 50. 1160 Galvanization shall be in accordance with AASHTO M 111. The zinc-coating weight shall not be less than 2 oz/sq ft. The chain link fabric shall be coated wire of 9 gauge, with a mesh size of 2 in. The zinc-coating weight of fabric shall not be less than 2 oz/sq ft. The zinc-coating weight of brace bands, fabric ties, fence post loop caps, fence post caps, horizontal rail end cups, tension bands, and tension bars shall not be less than 1.2 oz/sq ft. A Type C certification in accordance with 916 shall be provided for the bridge railing pedestrian fence. 1170
c.Aluminum Fabric Chain Link Fence This fence shall be in accordance with th e applicable requirements of 910.18(b) except for composition of materials. Requirements for the various component parts of aluminum fence shall be as shown in Table 1. Table 1 Item ASTM Reference Alloy Additional Information Fabric B211 Al-clad 5056 or 6061-T94 Barbed Wire - Line Barbs B211 5062-0, H38, or 6061-T89 2-strand dia. 0.110 in. 4-pt barb. dia. 0.080 in. 5 in. space B211 5052-H38 Tension Wire B211 Al-clad 5056 or 6061-T94 Dia. 0.192 in.; Note 1 Hog Ring Fasteners B211 6061-T94 Dia. 0.110 in. Wire Ties B211 1100-H18 Dia. 0.148 in. Flat Band Ties B211 3003-H14 1.2 in. wide; 0.06 in. thick Stretcher Bars B211 6063-T6 3/4 in. by 1/4 in.; square edges (continued on next page) 910.18 1080 (continued from previous page) Item ASTM Reference Alloy Additional Information Truss and Brace Rods B211 or B221 6061-T6 Dia. 3/8 in. Turn Buckles B26 (cast parts), B211 (wrought) 356.0-T6 6061-T6 Bands B221 6063-T6 1/8 in. by 1 in. beveled edge Bolts B211 or B221 2024-T4 ASA B 18.2 hexagon threads class 2, 2A, or 2B Nuts B211 or B221 6061-T6 Expansion Sleeves B210 3003-H18 1.695 in. ID by 0.078 in.; wall drawn type. 6 in. long; self-centering Post Tops, Rails and Brace Ends B26 or B108 356.0T6 Fabricated in permanent molds or sand castings Top and Brace Rails B241 and B429 6063-T6 1 1/4 in. pipe; Note 2 Barbed Wire Extension Arms B26 or B108 356.0T6 Fabricated as for post tops; sheet castings Line Posts B241 and B429 6063-T6 2 in. pipe; Note 2 Corner Posts B241 and B429 6063-T6 2 1/2 in. pipe; Note 2 Note 1: Aluminum coated steel wire in accordance with 910.18(b) may be used. Note 2: ANSI schedule 40 pipe, plain ends.
d.Gates Gate posts sizes shall be as follows: ANSI Nominal Pipe Size Swing Gate Opening, (inclusive) Single Gate Double Gate 2 1/2 in. Up to 6 ft Up to 12 ft 3 1/2 in. 7 to 13 ft 13 to 26 ft 6 in. 14 to 18 ft 27 to 36 ft 8 in. 19 to 32 ft 37 to 64 ft
1.Steel Gates Steel gate posts shall be standard weight , galvanized, steel pipe in accordance with ASTM F1083 and furnished with all necessary fittings. Post sizes shall be as set out above. The gate frames shall be of standard weight, galvanized, steel pipe in accordance with ASTM A53, of 1 1/2 in. (38.1 mm) nominal size, and shall have welded joint or riveted construction using galvanized pressed steel or malleable 1190 fittings. Areas welded after galvanizing shall be coated with a material conforming to the requirements of Federal Specification TT -P-641, Type II or Military Specifications DOD-P-21035. When spray paints are used, two coats shall be applied. Fabric coverings for gates shall be in accordance with 910.18(a) or 910.18(b). These gates 910.18 1081 shall be furnished with necessary fastenings , hinges, center stops, and locking devices galvanized after fabrication in accordance with ASTM A153.
2.Aluminum Gates Aluminum gate post sizes shall be in accordance with 910.18(d). They shall be ANSI schedule 40 pipe and in accordance with ASTM B241 or B429, alloy 6063-T6. 1200 Gate frames shall consist of 1 1/2 in. schedule 40 pipe assembled by welding or with fittings. Pipe shall be in accordance w ith ASTM B241 or B429, alloy 6063-T6. Welding material and procedures shall be in accordance with the applicable AWS provisions. Formed sheet fittings shall be in accordance with ASTM B209, alloy 6061- T6. Gate hinges may be offset type wrought aluminum, ASTM B209, alloy 6061-T6, or galvanized malleable iron. Fabric shall be in accordance with 910.18(c). 910.19 Overhead Sign Structures The complete structure with signs in pl ace shall be able to withstand loads in accordance with AASHTO Standard Specifi cations for Structural Supports for 1210 Highway Signs, Luminaires and Traffic Signals. The structure shall be designed to resist fatigue of the material in acco rdance with the AASHTO specifications. All prefabricated structural units shall be packed so that there is no injury or defacement during transportation to the point of destination. All bolts, nuts, and washers for bridge bracket assemblies shall be stainless steel in accordance with ASTM F593. Strain poles for cable span signs shall be in accordance with 922.10(a). Each strain 1220 pole shall include three band-type attachment s for span wire clam ps. Such attachments shall be galvanized in accord ance with ASTM A153. Cable shall be in accordance with 922.10(e)2. Each cable shall include three wire rope clips at each end. Anchor bolts shall be in accordance with 922.10(c)5. All sign mounting hardware, except for the extruded aluminum bar, shall be galv anized in accordance with ASTM A153. Gratings for the walkway shall be of aluminum in accordance with ASTM B221, alloy 6061-T6 or 6063-T6. Cross bars and bent connecting bars shall be of aluminum in accordance with ASTM B221, alloy 6 061, 6063 or 3003 conforming to ASTM B210. 1230 A Type C certification in accordance with 916 shall be provided for the overhead sign structure. (a) Aluminum Trusses for Overhead Sign Structures, Box Truss and Dynamic Message Sign Structure Truss Extruded tubes and other shapes shall be of aluminum in accordance with ASTM B221, B241, or B429, alloy 6061-T6. All other castings shall be of aluminum in accordance with ASTM B26, alloy 356.0-T6. Gusset, flange, and stiffener plates shall 910.19 1082 be of aluminum in accordance with ASTM B209, alloy 6061-T6. Plates shall be free 1240 of sharp edges and irregularities. Bolts, nuts, screws, and flat washers shall be passivated Type 304 stainless steel. Bolts and screws shall be in accordance with ASTM A193, grade B8. Hexagon nuts and washers shall be in accordance with AS TM A194, grade 8. High strength bolts, nuts, and washers for chord splice connections, with matching lock nuts having steel inserts, shall be in accordance with 910.02( g) and shall be galvanized in accordance with AASHTO M 232, class C or D. Neoprene pads shall be ultraviolet rated and shall conform to the requirements in 1250
915.04 Welding material and procedures shall be in accordance with 803 and applicable
AWS provisions. Certified proof of the qualifications for a minimum of two welders shall be presented after the contract is awarded a nd before fabrication is started. This certification shall be from a commercial or public testing laboratory and qualifications shall be based on welding of aluminum alloy, 6061-T6 with consumable electrode type welding using aluminum al loy ER5356 filler material. Welders shall qualify by 1260 passing the requirements set out in 803.04. Welding shall be checked by visual inspection. Poor welding workmanship shall be rejected. Each complete structure shall be free fr om any misfits or stru ctural deficiencies prior to shipment. (b) Steel Overhead Sign Structures, Cantilever, Monotube, Tri-Chord, Bridge Attached, and End-Supports for Box Truss and Dynamic Message Sign 1270 Structure End-support members for box truss and dynamic message sign structure shall be fabricated from constant cross-section tubular steel or extruded steel shapes as indicated on the drawings. Sections used for end-support columns, diagonal and horizontal members shall be constant cross-section tubular members in accordance with ASTM A53, type E or S, grade B, minimum yield strength of 35,000 psi. Constant cross-section tubular steel with greater yield strength may be used with written approval. Structural dimensions shall remain as shown on the plans. Sections used for cross support beams shall be constant cross- section extruded W-shapes in accordance with ASTM A709, grade 36. Base plates sh all be in accordance with ASTM A36. Base 1280 plates for columns shall develop the full strength of the columns. Structures shall be galvanized after fabrication in accordance with ASTM A123. Support columns for the cantilever structure shall be fabricated from constant cross-section tubular steel as indicated on the drawings. Column sections shall be in 910.19 1083 accordance with ASTM A53, type E or S, grade B as shown on the plans. Members shall have minimum yield strength of 35,000 psi. Constant cross-section tubular steel with greater yield strength may be used with written approval. Structural dimensions shall remain as shown on the plans. Base pl ates shall be in accordance with ASTM A36. Base plates shall develop the full strength of the columns. 1290 Cantilever arms shall be either double arms or quadri-chord trusses as shown on the plans. Cantilever arms shall be fabricated from octagonal tubular member with 0.14 in./ft taper and in accordance with ASTM A595, grade A or B, or ASTM A572, grade 50. Quadri-chord arms shall be of constant cross-section tubular members in accordance with ASTM A53, type E or S, grade B as shown on the plans. Members shall have minimum yield strength of 35,000 psi. Steel with greater yield strength may be used with written approval. Structural dimensions shall remain as shown on the plans. 1300 Structures shall be galvanized after fabrication in accordance with ASTM A123. Plates shall be free of sharp edges and irregularities. High strength bolts, nuts, and washers for chord to column connections, with matching lock nuts having steel inserts, shall be in accordance with 910.02(g) and shall be galvanized in accordance w ith AASHTO M 232, class C or D. Other bolts, U-bolts, nuts, screws, and flat washers shall be passivated Type 304 stainless steel. Bolts and screws shall be in accordance with ASTM A193, grade B8. Hexagon nuts and washers shall be in accordance with ASTM A194, grade 8. 1310 Bridge attached structures shall be fabricated from constant cross-section tubular steel in accordance with ASTM A53, type E or S, grade B with a minimum yield strength of 35,000 psi. Constant cross-section tubular steel with greater yield strength may be used, with written approval. Structural dimensions shall remain as shown on the plans. Structures shall be galvanized after fabrica tion in accordance with ASTM A123. Tri-chord truss structures shall be made of constant cross-section tubular members in accordance with ASTM A53, type E or S, grade B minimum yiel d strength of 35,000 1320 psi. Monotube structures shall be made of tapered tubular members in accordance with either ASTM A595, grade A or B, or ASTM A572, grade 50. Structures shall be galvanized after fabrication in accordance with ASTM A123. The J hook shall consist of one 3/8-in. steel bar in accordance with ASTM A307. It shall be spot welded to the inside of the end-support member. The J hook shall be hot-dip galvanized prior to welding or in the final assembly with the support column. Anchor bolts, nuts, and washers shall be in accordance with ASTM F1554, grade 36. A hexagon nut, leveling nut, and flat wash er shall be furnished with each anchor 1330 bolt. Top ends of anchor bolts and associated hardware as shown on the plans, shall 910.19 1084 be either hot dip galvanized in accord ance with ASTM F2329 or mechanically galvanized in accordance with ASTM B695, Class 55. Base plate skirts shall be 10 gauge galvanized steel. Welding material and procedures shall be in accordance with 711.32 and applicable AWS provisions. Welding shall be checked by visual inspection. Poor welding workmanship shall 1340 be rejected. Each complete structure shall be free fr om any misfits or stru ctural deficiencies prior to shipment. Strain poles shall be anchor bolt type complete with hand-holes and pole top or cap. They shall meet the requirements set out above for cantilever sign structures. Each pole is to include three band-type attachments for span wire clamps. The band shall be from material in accordance with ASTM A572 grade 50, ASTM A606, or approved equal. The bands shall not be of the U-bolt type. The poles shall have maximum 1350 deflections as shown below when loaded 18 in. from the top with a 100 lb load. Pole Size Deflection 15 in. by 30 in. 0.16 in. 14 in. by 26 in. 0.12 in. The steel flanges at the center of the cr oss beam and at the ends of the horizontal arms shall be fastened to the tapered or straight sections by means of two circumferential welds. One of the circumfere ntial welds shall weld the outside of the flange firmly to the tube. The flange connection shall develop fully the strength of the tubular sections being joined together by means of the flange connections. Gusset, flange, and base plates shall be in accordance with ASTM A36 and shall 1360 be galvanized after fabrication in accord ance with ASTM A123. Base plates for upright poles shall develop the full strength of the poles. Castings for the vertical pole top and horizontal arm and cap shall be in accordance with ASTM A126 and shall be galvanized with a minimum coating of 2 oz/sq ft. High strength heavy hex bolts and nuts, except anchor bolts, shall be in acco rdance with ASTM F3125, grade A325, Type 1, and ASTM A563. Two nuts for use in plumbing upright poles shall be furnished with each anchor bolt. Bolts, nuts, washers, and the top ends of anchor bolts shall be either hot dip galvanized in accordance with ASTM F2329 or mechanically galvanized in accordance with ASTM B695, Class 55. Welding shall be in accordance with
711.32 1370
Beam clamp details and sign support asse mblies shall be galvan ized in accordance with ASTM A153. Clamps shall be fabricated of high strength, low alloy steel in accordance with ASTM A242, ASTM A606, or approved equal. Stainless steel U-910.19 1085 bolts may be used in lieu of the clamps for the attachment of the sign hangers to the arms of double arm cantilevers. The U-bolts shall be in accordance with 910.19(a) for stainless steel hardware.
910.20 Steel Bridge Railing Components Materials for steel bridge railing components shall be in accordance with the 1380
following:
a.Railing and posts tubing shall be in accordance with ASTM A500, grade B.
b.Posts, connection plates, splice bars, base plates, and anchor channel bars shall be in accordance with ASTM A709, grade 36. High strength steel posts and connection plates shall be in accordance with ASTM A709, grade 50.
c.Steel bolts, nuts, and cap sc rews shall be in accordance with ASTM A307.
d.Railing end caps shall be st eel castings in accordance with ASTM A27, grade 70-36.
e.Threaded rods, nuts, and wa shers shall be in accordance with ASTM A449, ASTM A563, and ASTM F436, respectively.
f.Steel washers shall be standard round cut or lock washers as shown 1400 on the plans.
g.Cap screws shall be stainless steel in accordance with ASTM A276, type 304, 305, or 430.
h.Anchor bolts shall be galvanized and in accordance with 910.02(g)2. Threads may be cut or rolled.
i.Railing tubing, posts, connection plates, splice bars, base plates, anchor channel bars, and railing end caps shall be galvanized after 1410 fabrication in accordance with AASHTO M 111. Bolts, nuts, cap screws, washers, and lock washers shall be galvanized after fabrication in accordance with AASHTO M 232.
j.A Type A certification in accordance with 916 shall be provided for the anchor bolts. The results of the following shall be shown on the certification for the anchor bolts: 910.20 1086 Property ASTM Test Standard Tensile strength F3125 or A449 Proof load F3125 or A449 Hardness F3125 or A449 Coating thickness and weight A153 class C or B695 class 55 Rotational capacity F3125 A Type C certification in accordance w ith 916 shall be provided for the steel bridge railing components with the exception of bolts.
910.21 Steel Sheet Piling Steel sheet piling shall be in accord ance with ASTM A328, ASTM A1011, or
ASTM A653. 910.22 Grating for Grated Box End Sections
a.Type I Grated Box End Sections 1430 Steel pipe and steel tubing for grating shall be in accordance with ASTM A53, type E or S, grade B or ASTM A501, elect ric-resistance welded or seamless. Such pipe and tubing shall be galvanized in acc ordance with ASTM A123. All other related hardware shall be galvanized in accordance with ASTM A153. Pipe with a 4 in. outside diameter and in accordance with ASTM A513, Type 5, may be used as an alternate to the 4 in. outside diameter pipe specified. The pipe used as an alternate shall have a minimum wall thickness of 5/16 in. and a minimum yield strength of 50,000 psi. Steel tube of 4 in. by 4 in. by 3/8 in. and in accordance with ASTM A500, grade B, will also be allowed as an alternate to the 4 in. outside diameter 1440 pipe specified.
b.Type II Grated Box End Sections Structural steel grates shall be ASTM A36 for end sections having widths less than or equal to 3 ft and shall be ASTM A572, grade 50 for widths greater than 3 ft. A Type B certification in accordance with 916 shall be provided for the pipe, tubing, tube, and grates. The limits of the following shall be shown on the certification. Welding, as shown on the plans, shall be in accordance with 711.32 and 1450 AWS D1.1. 910.21 1087 Test ASTM Tensile Strength, Yield St rength, Outside Diameter, Wall Thickness, Galvanization Coating Thickness A53, type E or S, grade B Tensile Strength, Yield Strength, Wall Thickness, Outside Diameter (Round) or Unit Weight (Square/Rectangular), Galvanization Coating Thickness A501 Tensile Strength, Yield Strength, Bar Dimensions A36 Tensile Strength, Yield Strength, Bar Dimensions A572, grade 50 Wall Thickness, Outside Diameter, Yield Strength A513, Type 5 Tensile Strength, Yield Strength, Tube Dimensions, Wall Thickness A500, grade B
Source: Indiana Standard Specifications, 2024 Edition. Pages 1086–1095 of 1,248.