709.15 811 709.15 Plastic Supports for Reinforcing Steel. Conform to Supplement 1125.
709.16 Galvanized Reinforcing Steel Option for Bridge Structure Spirals .
As an option to 709.00 provide galvan ized reinforcing steel for the spiral bars only in round column and drilled shaft reinforcing steel cages. Galvanized steel will conform to ASTM A767, Class 1. The galvanized coated reinforcing steel will meet all other requirements of 509. The galvanize d coating will be applied after the reinforcing has been fabricated. If the galvanized surface becomes damaged during handling in the field, repairs will conform to ASTM A780. Where a sample is requested, provide a replacement splice conforming to the lap length requirements for epoxy coated reinforcing. Furnish certified material according to Supplement 1068. 710 FENCE AND GUARD RAIL
710.01 Barbed Wire. Furnish barbed wire according to ASTM A 121 Type A
or Type Z, Class 3 Galvanizing, with the following modifications: 6.3.1 Ensure that the weight of zinc coating for various gages of wire composing the strands and barbs are not less than 0.80 ounces per square foot (244 g/m2) of surface. 7.1 Furnis h No. 12 1/2, 13 1/2 or 15 1/2 steel wire gage barbed wire. Ensure that the barbs are four point round steel wire spaced 5 inches (130 mm) center -to- center. 9.1 Select one sample, according to Section 9.2, from each 50 spools or fraction thereof. 9.4 Doe s not apply 11.1 Perform inspection at the project site. Furnish certified material according to Supplement 1067.
710.02 Woven Steel Wire Fence, Type 47. Furnish woven steel wire fence
according to ASTM A 116, Type Z, Class 3 galvanizing, with the following modifications: 7.1 Ensure that the fence fabric is design number 1047 -6.9. 11.1 Perform inspection a t the project site. In addition, ensure that all hardware and attachments are galvanized according to 711.02. Furnish certified material according to Supplement 1067.
710.03 Chain -Link Fence . Furnish chain -link fence according to AASHTO M
181, with the following modifications: 710.03 812 3.1 Furnish posts, gate frames, and post braces, made of Type I or Type III material. Furnish Type I material conforming to the requirements of Table 710.03 -
1.Furnish Type III material conforming to the requireme nts of Table 710.03 -2. Fasten the fabric to the posts using either aluminum alloy or galvanized steel bands or wires. Furnish wires that have a 0.148 -inch (3.7 mm) minimum diameter and a zinc coating or steel fasteners that are not less than 0.8 ounces per square foot (244 g/m2). Furnish stretcher bars that have a 3/4 3/16-inch (19 5 mm) cross - section or an equivalent cross -section with a length equal to full height of fabric. Furnish steel truss rods that have a steel 3/8 -inch (9.5 mm) diameter o r equivalent cross -section and that have suitable adjustment. TABLE 710.03 -1 STEE L POSTS, GATE FRAMES , AND POST BRACES, Usage – nominal fence height 6 ft or less Section Thickness Outside Diameter or Dimensions (in) Weight Nominal lb/ft Tolerance (+/- %) Minimum Yield Strength (psi) Line posts Grade 1 Pipe 2.375 3.65 10 30,000 Grade 2 Pipe 2.375 3.12 10 50,000 C-Section 2.250 1.700 2.78 10 50,000 H-Section 2.250 1.700 3.26 10 50,000 End, corner pull posts Grade 1 Pipe 2.875 5.79 10 30,000 Grade 2 Pipe 2.875 4.64 10 50,000 Gate Posts, for nominal width of gate (single or one leaf of Double): Up to 6 ft incl. Grade 1 Pipe 2.875 5.79 10 30,000 Grade 2 Pipe 2.875 4.64 10 50,000 Over 6 to 13 ft incl. Grade 1 Pipe 4.000 9.11 10 30,000 Grade 2 Pipe 4.000 6.56 10 50,000 Over 13 to 18 feet incl. Grade 1 Pipe 6.625 18.97 10 30,000 Over 18 feet Round 8.625 28.58 10 30,000 Gate frames Grade 1 Pipe 1.900 2.72 10 30,000 Grade 2 Pipe 1.900 2.28 10 50,000 Tension Wire,[1] post braces Grade 1 Pipe 1.660 2.27 10 30,000 Grade 2 Pipe 1.660 1.84 10 50,000 Roll-form 1.6250 1.250 1.35 10 50,000 Round tubing 1.660 1.38 10 50,000 [1] When tension wire is specified, it will be of 0.177 in diameter. 710.03 813 TABLE 710.03 -1M STE EL POSTS, GATE FRAME S, AND POST BRACES, Usage – nominal fence height 1.8 m or less Section Thickness Outside Diameter or Dimensions (mm) Weight Nominal (kg/m) Minimum Tolerance (+/- %) Yield Strength (MPa) Line posts Grade 1 Pipe 60 5.4 10 209 Grade 2 Pipe 60 4.6 10 345 C-Section 57 43 4.1 10 345 H-Section 57 43 4.9 10 345 End, corner pull posts Grade 1 Pipe 73 8.6 10 209 Grade 2 Pipe 73.00 6.9 10 345 Gate Posts, for nominal width of gate (single or one leaf of Double): Up to 1.8 m incl Grade 1 Pipe 73.00 8.6 10 209 Grade 2 Pipe 73.00 6.9 10 345 Over 1.8 to 4 m incl. Grade 1 Pipe 102.00 13.6 10 209 Grade 2 Pipe 102.00 9.8 10 345 Over 4 to 5.5 m incl. Grade 1 Pipe 168.00 28.2 10 209 Over 5.5 m Round 219 42.5 10 209 Gate frames Grade 1 Pipe 48 4.0 10 209 Grade 2 Pipe 48 3.4 10 345 Tension Wires,[1] post braces Grade 1 Pipe 42 3.4 10 209 Grade 2 Pipe 42 2.7 10 345 Roll-form 41 32 2.0 10 345 Round tubing 42 2.1 10 345 [1] When tension wire is specified, it will be of 4.5 mm diameter. Furnish ornamental cap post tops made of steel, malleable iron or cast iron. Furnish them with a hole suitable for through passage of the top rail. Ensure that they fit snugly to the post, have a means of attac hing securely to the post, and exclude moisture from tubular posts. Furnish swing type gates complete with latches, stops, keepers, hinges, locks, and fabric. Cover them with fabric matching the fence. Furnish hinges of adequate strength to support the g ate and that do not twist or turn under action of the gate. Locate plunger bar type latches at the full gate height in a manner that will engage the gate stop. Forked latches may be used for single gates less than 10 feet (3 m) wide. Furnish lockable la tches. Furnish stops that consist of a flush plate with anchor placed in concrete to engage the plunger bar of the latch. Other approved types of stops may be used for single gates less than 10 feet (3 m) wide. Keepers are substantial devices for securi ng and supporting the free end of the gate in open position. Furnish top rail couplings consisting of the outside sleeve type at least 6 inches (150 mm) long. Ensure that a minimum of 20 percent of the coupling has an internal heavy spring to take up exp ansion and contraction. 710.03 814 Furnish gate frames that are assembled by welding, using properly designed, formed sheet, or sandcast fittings. Cover the gates with fabric matching the fence. Furnish offset type hinges. Furnish galvanized latches, stops, and keepers made of malleable iron, except for plunger bars that may be galvanized tubular or bar steel according to Section 6.2. Furnish flat stretcher bars in 3/4 1/4-inch (19 6 mm) sections. Furnish self -centering outside rail couplings that are 6 inches (150 mm) long. Furnish tie wire that has a 0.148 -inch (3.7 mm) minimum diameter and that meets an aluminum alloy. Furnish wrought or cast turnbuckles. Furnish truss and brace rods with an 3/8 -inch (9.5 mm) outside diameter or equivalent cross -section. Furnish beveled brace bands in 1 1/8-inch (25 3 mm) section. Furnish bolts with an anodic coating at least 2 mil (5 µm) in thickness, chromate sealed. 11.1. Ensure that the size of the fabric conforms to 0.148 -inch (3.7 mm) nominal diameter of coated wire, 2 -inch (50 mm) mesh. 14.1 Table 8. Type I Zinc -Coated Steel Chain Link Fabric will have Class D weight of coating. 15.5 Ensure that the vinyl covering is of a uniform medium green color. 19.1 Perform inspection at the project site. 32.2 Does not apply. 32.3.3.2. Increase the minimum weight of interior coating to an average of 0.9 ounces per square foot (275 g/m2) and not less than 0.8 ounces per square foot (244 g/m2) on an individual specimen. 710.06 815 TABLE 710.03 -2 DIAM ETERS OR PLAIN END, SCHEDULE 40 ALUMINUM ALLOY PIPE The weights and dimensions are as specified in ANSI H 35.2. Nominal Pipe Size Material (in) (mm) Brace rails 1 1/4 32 Gate frames and rail couplings 1 1/2 40 Line posts 2 50 End and corner posts 2 1/2 65 Gate posts single or one leaf of double: Gate opening (ft) (m) (in) (mm) To 6 To 1.8 2 1/2 65 Over 6 to 12 Over 1.8 to 3.7 3 1/2 90 Over12 to 18 Over 3.7 to 5.5 6 150 Over 18 to 32 Over 5.5 to 9.8 8 200 A 8'-8" line post may be substituted in lieu of the line post shown on standard drawings Chain Link Fence 1.1, 7 -28-00 and Walk Gates F -3.2, 7 -28-00. This will be accomplished by reducing the 4' -0" depth as necessary to accommodate the shorter posts. All other dimensions shown in the standard drawings shall remain unchanged Furnish certified material according to Supplement 1067.
710.06 Deep Beam Rail. Furnish deep beam rail according to AASHTO M 180,
Type II, Class A, with the following modifications: 5.1 Perform inspection at the project site. 5.2.1 When a field check of coating thickness shows insufficient coating thickness or shows insufficient coating weight, sample and test the guardrail. 9.1.2 The minimum check limits for both triple and single -spot tests apply. Furnish certified material according to Supplement 1042.
710.09 Wire Rope Rail. Furnish wire rope rail according to AASHTO M 30,
Class A, Type I rope, with the following modification: 9 Perform inspection at the project site. Obtain random samples from material delivered to the project site or at other locations designated by the Laboratory.
710.11 Fence Posts and Braces. Furnish round wood posts conforming
to 710.12 and 710.14. Furnish dimension timber, posts, and lumber for braces and stream crossings that are sound, straight, free from unsound or loose knots, splits and shakes, and that are treated according to 712.06. Furnish steel line posts according to ASTM A 702, with the following modifications: 710.12 816 5.5.2 Furnish fasteners or c lamps that have a 0.120 -inch (3 mm) diameter and that are galvanized according to ASTM A 116, Type Z, Class 3. 5.5.1 Supply each post with a sufficient number of fasteners or clamps. 6.2 Ensure that the post lengths are as designated. 7.1 Furnish galva nized line posts and anchors according to 711.02. 7.2 Delete. Furnish certified material according to Supplement 1067.
710.12 Square -Sawed and Round Guardrail Posts. Furnish pressure treated
square -sawed and round guardrail posts according to 710.14 and 712.06. Cut posts from growing timbers that are free from unsound or loose knots and rot and from injurious or excessive shake, and season checks that exceed 1/4 inch (6 mm) in width. Ensure that the sweep does not exceed 1 inch (25 mm) for the length o f the post. Peel round posts their entire length, removing all outer and inner bark and leather fiber by shaving the surface. Trim knots even with the post, and saw both ends of the post square. Furnish round posts for the follow species only: Douglas Fi r: Knot diameter for posts of Douglas Fir shall not exceed 51 mm (2 in.). Ring density for the species shall be at least 6 rings -per-inch as measured over a 76 mm (3 in.) distance. The diameter of the Douglas Fir posts shall be 184 mm (7¼ in.) at the groun d line with a upper limit of 203 mm (8 in.). Southern Pine: Knot diameter for posts of Southern Pine shall not exceed 64 mm (2½ in.). Ring density for the species shall be at least 4 rings -per-inch as measured over a 76 mm (3 in.) distance. The diameter of the Southern Pine posts shall be 190 mm (7½ in.) at the ground line with a upper limit of 210 mm (8¼ in). Ponderosa Pine: Knot diameter for posts of Ponderosa Pine shall not exceed 102 mm (4 in.). Ring density for the species shall be at least 6 rings -per-inch as measured over a 76 mm (3 in.) distance. The diameter of the Ponderosa Pine posts shall be 203 mm (8 in.) at the ground line with an upper limit of 222 mm (8¾ in.). Furnish square sawed posts that are free from injurious cross grain and sapwood. 710.14 817 Species White Pine Maximum Slope of Grain 1 in 15 Nominal Width of Face 6" [152] 8" [203] Shakes, Checks, and Splits Green 1" [25] 1 3/8" [35] Seasoned 1 1/2" [38] 2" [51] Maximum Wane 1" [25] 1 3/8" [35] Maximum Allowable Knots Narrow Face Middle 1/3 of Length 1 3/8" [35] 1 5/8" [41] End (1) 2 3/4" [70] 3 1/4" [83] Sum in Middle ½ of Length (2) 11" [279] 13" [330] Wide Face Edge Knot in Middle 1/3 of Length 1 3/8" [35] 1 5/8" [41] Edge Knot at End
1.2 3/4" [70] 3 1/4" [83] Centerline 1 3/8" [35] 1 7/8" [48] Sum in Middle Half of Length 5 1/2" [140] 7 1/2" [190] Furnish certified material according to Supplement 1072.
710.14 Pressure Treated Guardrail and Fence Posts, Braces, and Blocks.
Furnish pressure treated guardrail and fence posts, braces, and blocks according to AASHTO M 168 and 710.11, 710.12, and 712.06. Furnish certified material according to Supplements 1042 and 1072.
710.15 Steel Guardrail Posts. Furnish steel guardrail pos ts in the sections and
lengths as specified. Ensure that they are made of copper bearing steel when so specified. Furnish steel according to ASTM A 36/A 36M. Furnish galvanized posts according to 711.02. Furnish certified material according to Suppleme nt 1042.
710.16 Guard Posts. Furnish pressure treated wood posts according to 710.14
Furnish posts that are either 5 6-inch (125 150 mm) sawed square or 5 1/2 -inch + 1/2 -inch (138 mm) diameter round when measured 30 inches (0.75 m) from the top. Fur nish posts that are 5 feet, 3 inches (1.6 m) in length and are embedded such that 30 inches (0.75 m) remains exposed. Ensure that the center -to-center spacing is spaced at 6 feet (1.8 m) intervals, unless otherwise shown on the plans. Furnish certified ma terial according to Supplement 1042. 711 STRUCTURAL STEE L AND STRUCTURE INCI DENTALS
711.01 Structural Steel. Furnish structural steel conforming to ASTM A 709,
Grade 36 (A36), 50 (A572), 50W (A588), or 70W. 711.02 818 Ensure that materials designated to meet notc h toughness requirements have a minimum longitudinal Charpy V -Notch (CVN) energy absorption value as listed below. Sample and test according to ASTM A 673/A 673M. Use the (H) frequency of heat testing and provide the test data as required by 501.06. ASTM Designation Thickness and Connection Method Value Min CVN A709 Gr. 36 (A36, A36M) Up to 4 in (102 mm) mechanically fastened or welded 15 ft-lb @ 40 F (20 J @ 4 C) A709 Gr. 50 (A 572/A 572M), A709 Gr. 50W (A 588/A 588M) Up to 4 in (102 mm) mechanically fastened 15 ft-lb @ 40 F [1] (20 J @ 4 C) A709 Gr. 50 (A 572/A 572M), A709 Gr. 50W (A 588/A 588M) Over 2 to 4 in (51 to 102 mm) welded 20 ft-lb @ 40 F [1] (20 J @ 4 C) A709 Gr. 50 (A 572/A 72M), A709 Gr. 50W (A 588/A 588M) Up to 2 in (51 mm) welded 15 ft-lb @ 40 F [1] (20 J @ 4 C) A709 Gr. 70W Up to 4 in (100 mm) mechanically fastened or welded 25 ft-lb @ -10 °F [1] (34 J @ -23 °C) [1] If the yield point of the material exceeds 65 ksi (448 MPa), the temperature of the CVN value for acceptability should be reduced by 15 F (8.3 C) for each increment, or part of increment, of 10 ksi (69 MPa) above 65 ksi (448 MPa). [2] If the yield point of the material exceeds 85 ksi (585 MPa), the temperature of the CVN value for acceptability shou ld be reduced by 15 F (8.3 C) for each increment, or part of increment, of 10 ksi (69 MPa) above 85 ksi (585 MPa). [3] The CVN -impact testing shall be at “P” frequency in accordance with ASTM A673.
711.02 Galvanized Steel. Furnish galvanize steel according to ASTM A 123
after cutting, bending, and welding. At the discretion of the Engineer, replace, re - galvanize, or repair damaged galvanized material. If a repair is authorized, perform work according to ASTM A 780 except the Department will not allow aerosol spray applications of paints containing zinc dust. Coat ASTM F3125 fasteners according to 711.09. Furnish all other bolts, nuts, washers, and similar threaded fasteners that are galvanized according to ASTM A 153 or ASTM F2329. These items may be mechanically zinc coated according to ASTM B 695, Class 50
711.03 Steel for Piling. Furnish steel for H -piling conforming to ASTM A 572
Grade 50 / A 572M Grade 345. Furnish steel for sheet piling according to ASTM A 328/A 328M. Furnish steel for cast -in-place reinforced concrete piles conforming to ASTM A 252, Grade 2 or 3.
711.04 Cold Rolled Steel. Furnish cold rolled steel according to ASTM A 108,
Grades 1016 through 1030 for pins, rollers, trunnions, and other similar parts.
711.07 Steel Castings. Furnish steel castings according to ASTM A 27/A 27M,
Grade 65 -35 or Grade 70 -36, or AASHTO M103, or ASTM A 148, Grade 90 -60, with the following modification: 711.08 819 Ensure that steel castings are free from pouring faults, sponginess, cracks, blow holes, and other defects in positions affecting their strength and value for the service intended. No sharp, unfilleted angles or corners are allowed.
711.08 Arc-Welding Electrodes and Fluxes . The following applies to all steel,
except for exposed bare ASTM A 242/A 242M and ASTM A709 Grade 50W (A 588/A 588M) steels. For exposed bare ASTM A 242/A 242M and A709 Grade 50W (A 588/A 588M) applications, see Table 711.08 -1.
A.Manual shielded metal -arc welding.
1.AWS A5.1 Low Hydrogen Only
2.AWS A5.5 Low Hydrogen Only
B.Submerged Arc Welding
1.AWS 5.175
2.AWS 5.235
C.Gas metal -arc welding, AWS A 5.185
D.Flux cored arc welding, AWS A5.205 TABLE 711.08 -1 Filler metal requirements for exposed bare applications of ASTM A 242/A 242M and ASTM A709 Grade 50W (A 588/A 588M) steel. Welding Process Shielded metal arc Submerged arc [5] Gas metal arc or Flux cored arc [2],[4], [5] AWS A5.5 AWS A5.23 AWS A5.28 and 5.29 E8015, 8016, or 8018 electrodes that deposit weld metal meeting C1, C1L, C2, C2L, C3, or W analysis All electrode -flux combinations that deposit weld metal with a Ni1, Ni2, Ni3, Ni4, or W analysis [2],[3] All electrode -flux combinations that deposit weld metal with a Ni1, Ni2, Ni3, Ni4, or W analysis [2] Deposited weld metal will have a minimum impact strength of CVN 20 ft -lb (27 J) at 0 F (-18 C) (only applied to bridges). [3] The use of the same type filler metal having next higher mechanical properties as listed in AWS specification is permitted. [4] Deposited weld metal will have a chemical compos ition the same as that for any one of the weld metals in this table for the shielded metal arc welding process. [5] In conformance with those classifications allowed under AWS D1.5 Bridge Welding Code , Tables 4.1 and 4.2. The Laboratory will issue a list of approved electrodes and combinations of shielding. The Laboratory will include electrodes in the list when certified test data submitted by the manufacturer is found in compliance with the specified requirements. The certification will cover either pr ocess qualification or quality control tests. To qualify, such tests must be made within one year before the period covered. For each submission of certified test data, include the manufacturer’s statement that it will advise the Laboratory immediately o f any change in materials or processing used in the manufacture of the electrodes made within one year from the date of the tests. 711.09 820 When electrodes to be used are not included in the Laboratory’s list of approved electrodes and combinations of shielding, su bmit certified test data as described above for each lot showing compliance with the specified requirements.
711.09 High -Strength Steel Bolts, Nuts, and Washers. Furnish high -strength
steel bolts, nuts, and washers according to ASTM F3125 Grade A 325 ( A 325M), with the following modification: If necessary for approval, obtain samples from material delivered to the project site or at other locations designated by the Laboratory. Furnish bolts for steel use in bare unpainted applications according t o ASTM F 3125 Grade A 325 (A 325M), Type 3. Use zinc coated bolts to fasten steel that has received an inorganic zinc prime coat according to 514. Furnish high -strength steel bolts, nuts, and washers that also meet the requirements of Supplement 1080. Provide samples to the Laboratory for acceptance.
711.10 Machine Bolts. Furnish bolts according to ASTM F1554 , with the
following modifi cation: If necessary for approval, obtain samples from material delivered to the project site or at other locations designated by the Laboratory. Mechanical galvanizing is permitted.
711.12 Gray Iron Castings. Furnish gray iron casting according to ASTM A
48, Class 30B, with the following modifications: 12 Two or more test bars will accompany each lot of castings or; one pair of test bars may represent castings shipped to two or more projects provided the lot number or date cast are cast or anchored in bo th the bars and castings. The identifying data or castings shall not interfere with the use of the casting. 9 In addition, ensure that castings are free from pouring faults, sponginess, cracks, blow holes, and other defects in positions affecting their s trength and value for the service intended. Ensure that the castings are generously filleted at angles and the arrises are sharp and perfect. 17 Ship test bars with the lot or make test bars representing the lot available to the Laboratory at the place o f manufacture or warehouse.
711.13 Ductile Iron Castings. Furnish ductile iron castings according to
ASTM A 536, with the following modifications: 8.1 In addition, ensure that castings are free from pouring faults, sponginess, cracks, blowholes, and othe r defects in positions affecting their strength. Ensure that the castings are generously filleted at angles and arrises are sharp and perfect. 10.1 Send a keel block or Y -block specimen made according to ASTM A 536 with the shipment for each heat number, ladle number, and date of casting. 711.14 821 14.1 Submit a certification stating that the test bars shipped with the castings were prepared according to the specified requirements.
711.14 Gray Iron and Ductile Iron Castings. Furnish gray iron and ductile
iron cas tings according to AASHTO M 306, Class 35B, with the following modifications: Test bars are required as outlined in 711.12 and 711.13. In addition, submit certified test data for monthly proof load testing to the Laboratory with each inspection of casting s from that month. Design Approval. Submit designs for cast frames, grates and covers for manholes, catch basins and inlets that vary from the standard construction drawings to the Department for approval. Manufacturers will seek approval for such non - standard designs well in advance of a projects sale date.
711.15 Sheet Copper. Furnish sheet copper according to ASTM B 370.
711.16 Phosphor Bronze Plate. Furnish phosphor bronze plate according to
ASTM B 100.
711.17 Cast Bronze. Furnish cast bronze accor ding to ASTM B 22, Copper
Alloy No. C91100, with the following modification: Finish cast plates to plane surfaces and finish one plate of a pair at right angles to the other plate of the pair.
711.18 Leaded Bronze. Furnish leaded bronze according to ASTM B 584,
Copper Alloy No. C93700, with the following modification: Finish cast plates to plane surfaces and finish one plate of a pair at right angles to the other plate of the pair.
711.19 Sheet Lead. Furnish sheet lead according to ASTM B 29.
711.20 Alumi num for Railings. Furnish aluminum other than permanent mold
castings that conform to the following requirements: 711.21 822 Portion of Railing ASTM Designation Alloy Condition or Temper (B296) Sand castings B 26/B 26M 356.0 T6 Shims B 209 (B 209M) 1100 0 Washers B 209 (B 209M) Clad 2024 6061 T4 T6 Sheet and plate B 209 (B 209M) 6061 T6 Drawn seamless tubes B 210 6061 or 6063 T6 Bars, rods, wire B 211 (B 211M) 6061 T6 Bolts, set screws B 211 (B 211M) 2024 [1] 6061 T4 T6 Nuts B 211 (B 211M) 6061 6262 T6 T9 Extruded bars, rods, shapes B 221 (B 221M) 6061 or 6063 6351 T6 T5 Extruded tubes B 221(B 221M) 6061 or 6063 6351 T6 T5 Pipe B 241/B 241M 6061 or 6063 T6 Rivets B 316(B 316M) 6061 T6 [1] Will have an anodic coating. For permanent mold castings for bridge railing posts, provide aluminum according to AASHTO M 193.
711.21 Preformed Bearing Pads. Composition. Furnish preformed bearing
pads consisting of a fabric and rubber body. Ensure that the pad is made with new, unvulcanized, natural and/or synth etic rubber, and unused cotton and/or synthetic fabric fibers in proper proportion to maintain strength and stability. Physical Properties. The required surface hardness, expressed in standard rubber hardness figures, is 80 10 Shore Durometer. The mini mum ultimate break down limit of pads under compressive loading is 10,000 pounds per square inch (69 MPa). Furnish pads to specified dimensions and accurately locate and cleanly cut all bolt holes. Furnish materials according to the Department’s QPL .
711.22 Buried Liner Waterproofing Membrane . Furnish buried liner
waterproofing membrane according to ASTM D 7176 -06, with the following modification: Only 4.1.2 through 4.1.6 is approved. Furnish materials according to the Department’s QPL .
711.23 Elastomeric Bearings. Furnish bearing pads and elastomeric bearings
conforming to AASHTO Standard Specifications for Highway Bridges , Division II, Construction, Chapter 18, Section 18.4.5.1 Grade 3 requirements. Fabricate elastomeric bearing pads according to Secti ons 18.5.6.1 and 18.5.6.2. Test pads and bearings according to 18.7.1, 18.7.2.1, 18.7.2.3, 18.7.2.5, 18.7.2.6, 18.7.3, 18.7.4.5, 711.23 823 and 18.10.3. Include testing in the price bid for the bearings. Furnish certified material according to Supplement 1081. Furn ish bearing pads and laminated bearings consisting of neoprene cast in molds under pressure and heat. A plain elastomeric bearing pad and steel load distribution plate combination is classified as a laminated elastomeric bearing. Obtain test specimens ac cording to ASTM D 3182 or ASTM D 3183. Where test specimens are cut from the finished product, a 20 percent variation from the original physical properties is allowed. The use of compounds of nominal hardness between the values shown in Table 711.23 -1 is permitted and the test requirements interpolated. TABLE 711.23 -1 Physical Properties Grade 50 60 70 Hardness, Durometer A, ASTM D 2240. 50 5 60 5 70 5 Tensile Strength, min psi (MPa), ASTM D 412 2500 (17) 2500 (17) 2500 (17) Elongation at break, min % 400 350 300 Accelerated Tests to Determine Long -Term Aging Characteristics, Over -Aged 70 hrs at 212 F (100 C), ASTM D 573: Hardness, points change, max 15 15 15 Tensile strength, % change, max -15 -15 -15 Elongation at break, % change, max -40 -40 -40 Ozone 1 ppm in air by volume 20% strain, 104 F (40 C) ASTM D 1149, 100 hrs (Samples to be solvent wiped before test to remove any traces of surface impurities) No cracks No cracks No cracks Compression set 22 hrs/212 F (100 C) ASTM D 395, Method B, % max 35 35 35 Adhesion, bond made during vulcanization ASTM D 429 Method B, lb/in (kN/m) 40 (7.0) 40 (7.0) 40 (7.0) Furnish bearing pads that are individually molded, cut from previously molded strips or slabs, or extruded and cut to length. Mold laminated bearings together into an integral unit with all edges of internal steel laminates covered by a 1/8 -inch (3 mm) minimum thickness of elastomer. Fill indentations or grooves on the exte rior surface of the bearings caused by external laminate restraining devices to a 1/8 inch (3 mm) minimum cover by a revulcanized patch; or by a silicon caulk conforming to Federal Specifications TT -S-001543A; or by an approved equal. Ensure that the bearing manufacturer patches the bearings. Ensure that the external connection or distribution plates of laminated bearings are the same material as the attached structural steel and are similarly cleaned and coated. Furnish internal plates according to ASTM A 709 grade 36 or A1011/A1011M, SS Grade 36 or Grade 40. Minimum thickness for the internal plates is 0.074 inch (1.88 mm). Debur all plates. The bearing manufacturer will furnish certified test data for the elastomer, base plate, steel laminates, and p roof load. 711.24 824 The bearing manufacturer will produce one sample bearing for each bridge structure in the project plans. Ensure that the sample bearing for each bridge structure is of the same design and materials as the bearings furnished for that bridge structure. The bearing manufacturer will ship the completed sample bearings to an independent testing laboratory for destructive testing for the following physical properties: Hardness, Durometer A ASTM D2240 Tensile Strength ASTM D412 Elongation at Break ASTM D412 Adhesion bond made during vulcanization ASTM D429, Method B Ensure that the bearing manufacturer submits to the project the certified test data for the sample bearings from the independent testing laboratory with the bearing manufacturer’s cert ified test data for the elastomer, base plate, steel laminates, and proof load.
711.24 Waterproofing Fabric. Furnish waterproofing fabric according to
ASTM D 173. Furnish materials according to the Department’s QPL .
711.25 Type 2 Membrane Waterproofing.
Physical Properties Thickness ASTM D 1777 60 mils (1500 m) min. Width 36 inches (914 mm) min. Pliability [180 bend over 1/4 inch (6 mm) mandrel @ -25 F (-32 C)] ASTM D 146 No Effect Elongation ASTM D 412 (Die C) 300% min Puncture Resistance -Membrane ASTM E 154 40 lb (18 kg) min. Permeance (Grains/ft2/hr/in Hg) ASTM E 96, Method B 0.1 max. Water Absorption (% by Weight) ASTM D 570 0.2 max. Adhesion to concrete ASTM D 903 5.0 min. Submit certified test data and letter of certification to the Engineer. Furnish materials according to the Department’s QPL .
711.26 Structural Timber, Lumber and Piling. Furnish structural timber,
lumber and piling according to 712.06, and AASHTO M 168, with the following modification: Air-dry or kiln -dry timber and lumber to a moisture content not to exceed 19 percent by weight. Size and grade will conform to American Lumber Standards. Use only structural timber, lumber, and piling meeting the certification requirements of Supplement 1 072.
711.27 Prestressing Steel Strands. Furnish prestressing steel strands
according to ASTM A 416, with the following modification: 711.28 825 11 Sample and inspect as directed by the Laboratory.
711.28 Cellular Polyvinyl Chloride Sponge. Furnish cellular PVC sp onge
according to AASHTO M 153, Type I, and with a minimum density of 20 pounds per cubic foot (320 kg/m3). Furnish materials according to the Department’s QPL .
711.29 Type 3 Membrane Waterproofing. Furnish Type 3 membrane
waterproofing conforming to the following requirements. Physical Properties Thickness 0.135 inches (3.43 mm) min. Width 36 inches (914 mm) min. Weight 0.8 lb/ft2 (3.875 kg/mm2) min. Tensile strength (machine direction) ASTM D 882 Modified [1] 275 lb/in (48.1 N/mm) 200 psi (13.8 MPa) Tensile strength ASTM D 882 (90 machine direction) Modified [1] 150 lb/in (26.2 N/mm) 1000 psi (6.9 MPa) Elongation at break ASTM D 882, Modified [1] 100% Brittleness ASTM D 517 Pass Softening point (mastic) ASTM D 36 200 F (93 C) min. Peel adhesion ASTM D 413 [1] 2.0 lb/in (0.35 N/mm) Cold flex ASTM D 146 2 5 inch (50 125 mm) specimen -180 bend over 2 inch (50 mm) mandrel No cracking Heat stability 2 5 inch (50 125 mm) specimen vertically suspended in a mechanical convection oven 2 hr @ 190 F (88 C) No dripping or delamination [1] 12 inches (300 mm)/minute test speed and 1 inch (25 mm) initial distance between the grips. Submit certified test data and letter of certification to the Engineer. Furnish materials according to the Department’s QPL .
711.30 Aluminum for Steps. Furnish aluminum for steps according to ASTM
B 221 (ASTM B 221M), Alloys 6061 -T6 or 6005 -T5. Furnish materials according to the Department’s QPL .
711.31 Reinforced Propylene Plastic Manhole Steps. Furnish reinforced
propylene plastic manhole steps conforming to the details shown on the plans. Furnish steel rod according to 709.01, Grade 60 that i s continuous through the entire length of legs and tread. The steel may be coated according to ASTM A 934/A 934M. Ensure that the manufacturer furnishes written certification. Furnish propylene plastic according to ASTM D 4101, Table B 33430. Ensure th at the manufacturer furnishes certified test data for the propylene plastic used in each lot of steps. Furnish materials according to the Department’s QPL .
Source: Ohio Construction and Material Specifications, 2019 Edition. Pages 0–0 of 928.