1616 - STEEL FASTENERS
1600-27 (8) When corrosion protection coatings are specified for fastener components, provide components that are
zinc coated and in compliance with ASTM F 2329 for hot dip galvanizing or by the mechanical deposition of a zinc coating in compliance with ASTM B 695, Class 50. Fastener components of nominal size of less than 13 mm diameter may be zinc coated by an el ectrodeposition process. The coating is to be uniform, comply with ASTM B 633, and have a thickness in the range of 5 to 8 micrometers for use under mild to moderate service conditions, SC 1 to SC 2. Note that an electrodeposited zinc coating thic kness in excess of 8 micrometers may result in thread fit interference. Electrodeposited cadmium coating is also permitted when in compliance with ASTM B 766 and the same thickness range constraints as for electrodeposited zinc coating. Aluminum coating is acceptable when permitted and regulated by the specifi cation that governs the component.
9.In lieu of a separate nut, washer, and DTI, prov ide a combined nut and DTI assembly for use with high strength structural bolts. The nut component shall comply with subsection 1616.2b.(2) and the DTI component shall comply with subsection 1616.2b.(5) . Manufacture each lot of assemblies using a single DTI lot and a single nut lot. Identify assembly lots using the lot of the component DTIs. Unless the contract documents indicate otherwise, an F 436 washer need not be used when a bolt and combined nut/DTI assembly are used an d all of the following are satisfied: The fastener is used with a standard size hole. The bolt is not the turned fastener component. The combined nut/DTI manufacturer’s insta llation instructions and product literature demonstrate satisfactory performance w ithout the use of a hardened washer. The pre-installation verification testing demonstrates satisfactory performance without the use of a hardened washer.
10.Provide all high strength structural bolts an d combined nut/DTI assemblies that comply with the rotational capacity test requirements of subsection 1616.2b.(3) , modified to account for the flattening of protrusions on the DTI component of the assembly. 1616.3 TEST METHODS Conduct all tests required by the applicable AASHTO, ASTM, ASME, ANSI, or other component or material specifications of subsection 1616.2b . Coating thickness may be measured by any one of the methods specified in ASTM B 633 and by eddy current methods, ASTM E 376 (B 244 ma y also be useful as a technique guideline), provided that appropriate calibration procedures and standards have been applied. The magnetic induction and eddy current methods are nondestructive in nature and are preferred. Destructive techniques, i.e., coating removal, may be utilized as referee methods. Conduct rotational capacity testing on all coated and non-coated high strength threaded fastener component assemblies referenced in subsection 1616.2b(3) . 1616.4 PREQUALIFICATION Not applicable. 1616.5 BASIS OF ACCEPTANCE Submit for approval a Type A certification, as specified in DIVISION 2600 , for all fastener components provided through this specification. In addition, provide certifications for DTI’s showing the results of ASTM F 606 testing. A combined nut/DTI assembly require s a certification for each of its components. Compliance of samples of all fastener components utili zed for overhead lighting and signing, sign supports, bridge beam connections and splices, and any other applica tion considered relevant by the Engineer’s representative with subsection 1616.2b . Provide representative samples of the lot(s) and heat(s) of the components and materials, including combined nut/DTI assemblies (but not separate DTIs). Submit the samples to the Engineer of Tests for testing. Samples for testing are not required for fastener components used to attach sign panels to ground mounted sign supports nor for components used in break-away connections on ground mounted sign supports. The KDOT representative will inspect all fastener co mponents for compliance with corrosion protection, marking, and dimensional requirements. The final disposition of fastener components will be completed at the final destination as the result of inspection for the quality of workmanship, the delivery condition. 1617 - WELDED STUD SHEAR CONNECTORS
1600-28 Section 1617
WELDED STUD SHEA R CONNECTORS 1617.1 DESCRIPTION This specification governs welded stud shear connector intended for sh ear load resistance applications. 1617.2 REQUIREMENTS
a.General. Weld and test these studs in accordance with the procedures and AWS (ANSI/AASHTO) D1.5. The welding process is stud arc welding (SW), although other procedures in accordance with AWS D1.5 may be utilized when specified. The studs may be applied either at a fabrication facility or at the construction site. The design and dimensions of the studs are as specified in the Contract Documents.
b.Material Specifications. The flux requirements for studs applied by the SW process are governed by AWS D1.5. Use steel for the studs that complies with ASTM A 108, Grade Designation 1010 through 1020 (AISI/SAE), and AWS D1.5. The cold finished steel or the finished studs, at the stud manufacturer's option, must comply with the mechani cal property requirements of AWS D1.5, Type B. 1617.3 TEST METHODS Conduct all tests required by the app licable ASTM and AWS specifications of subsection 1617.2 . 1617.4 PREQUALIFICATION A manufacturer's studs, flux, and we lding process are to be qualified as a system according to AWS D1.5. Submit this qualification test data to the Bureau Chief of Construction and Materials. The data will be reviewed and the manufacturer notified of the results. Those systems that comply with this specification will be included on a list of qualified systems maintained by the Bureau of Construction and Materials. 1617.5 BASIS OF ACCEPTANCE Prequalification as required by subsection 1617.4 . Submit for approval a Type A certification (c ertified mill test report), as specified in DIVISION 2600 . The final disposition of the installed studs provided through this specification will be completed at the point of installation as the result of inspection and testing by KDOT personnel for the quality of workmanship, the delivery condition, proper installation, compliance with dimensional requirements. 1618 - STEEL PLATE GUARDRAIL
1600-29 Section 1618
STEEL PLATE GUARDRAIL 1618.1 DESCRIPTION This specification governs corrugated sheet steel beam s and related components utilized in the construction of highway guardrail systems. 1618.2 REQUIREMENTS
a.General. The guardrail system design, dimensions, method of corrosion protection, end terminals, and specific fabrication requirements are sp ecified in the Contract Documents. Property requirements for the steels and components are governed by the classifications, designations, or grades of steel, and the compon ent specifications designated on the Contract Documents and subsection 1618.2b . Proprietary energy dissipating end terminal system s may be supplied only if prequalified by the KDOT. For threaded fastener components, comply with the thread series requirements of ANSI/ASME B1.1 Coarse Thread Series, with a toleran ce class that accommodates the corrosio n protective coating when applicable. Provide corrosion protecti on for all steel components utilized in gu ardrail systems by a nonmagnetic metal coating. Non-coated copper bearing weathering steel is not an acceptable alternative. Store guardrail components to prevent water retention and condensation, intimate contact between individual components, and contact with the soil.
b.Material Specifications.
1.Unless specified otherwise, provide beams, transition sections, end terminals other than proprietary, beam washers, backing and splice plates that comply with AASHTO M 180, Class A, Type I beams. End terminals that are of KDOT design are to comply with the basis steel property and corrosion protection requirements of AASHTO M 180.
2.Threaded fastener components are to comply with SECTION 1616 . All fastener components are to be metal coated for corrosion pr otection in accordance with SECTION 1616 and mechanical properties are to be equivalent to or greater than those specified within AASHTO M 180.
3.Guardrail components produced from structural steel stock, tubing, or pipe are to comply with SECTIONS 1607, 1608, or 1619 respectively. Steels not governed by these subsections may be utilized providing prior approval is granted by the KDOT and proper weldin g procedures are adhered to. These components include posts and offset blocks, soil, anchor, and bearing plates, etc. If not governed by the component specification or subsection, when corrosion protection co atings are specified, zinc coat thes e components by hot dip galvanizing after fabrication in compliance with ASTM A 123, Thickn ess Grade 85, minimum. Al uminum coating application after fabrication is acceptable when permitted and regulated by the speci fication that governs the component.
4.Use wire rope that complies with AASHTO M 30, Type II, Class B zinc coating.
5.Provide shackles and turnbuckles that comply with AASHTO M 269 with the thread series as specified in subsection 1618.2a.
6.Use wood components, e.g., posts, blocks, etc., that comply with the applicable subsection of
Division 2300
7.Proprietary energy dissipating end terminal systems may be supplied only if prequalified by the KDOT. The prequalification process is specified in subsection 1618.4 . 1618.3 TEST METHODS Conduct all tests required by the applicable AASHTO, ASTM, or other component or material specifications of subsection 1618.2 . Coating thickness may be measured by any one of the methods specified in ASTM B 633 and by eddy current methods, ASTM B 244, provided that appropriate calibration procedures and standards have been applied. The magnetic induction and eddy current methods are nondestructive in nature and are preferred. Destructive techniques, i.e., coatin g removal, may be utilized as referee methods. 1618 - STEEL PLATE GUARDRAIL
1600-30 1618.4 Prequalification
a.All guardrail system components provided by th e manufacturer of the b eam, except for proprietary energy dissipating end terminal systems, must be prequalified before approval for installation on KDOT projects. The prequalification procedure is to be in accordance w ith AASHTO M 180, section 5.3, "Acceptance by Brand Registration and Guarantee." Submit the information required by section 5.3 to the Bureau Chief, Construction and Materials, for evaluation. For components not specifically addressed by section 5.3, provide the information relevant to the component that is required by subsection 1618.2 . Include all FHWA notif ications of acceptance relevant to the components or system.
b.Proprietary energy dissipating end terminal systems must be prequalified as a unit. The prequalification procedure requires that complete evaluation data, including design and test information and materials list, and the FHWA notification of acceptance, be submi tted to the Bureau of Road Design.
c.All manufacturers will be notified of their prequa lification status upon evaluation of the submitted information. When granted approval, the manufacturer, components, and or system will be placed on a listing of prequalified manufacturers and providers of guardrail system components and or energy dissipating end terminal systems. The list will be maintained by the Bureau of Construction and Materials. 1618.5 BASIS OF ACCEPTANCE
a.Receipt and approval of a Type C certification as specified in DIVISION 2600 for all components governed by subsection 1618.2b.(1), (3), (4), (5), and (7) . This supersedes the certification requirements of the specific SECTIONS 1607, 1608, and 1619 .
b.Submit for approval a Type A certification as specified in DIVISION 2600 for all threaded fastener components, subsection 1618.2b(2) , , and required by SECTION 1616 .
c.The disposition of wood components, e.g., posts, blocks, etc., subsection 1618.2b.(6) , is to be in accordance with the app licable subsection of DIVISION 2300 .
d.The KDOT reserves the right to request and test sp ecimens from certified component lots to verify the certification results or when there is reason to suspect their validity.
e.Inspection and testing by field personnel of all steel components for compliance with dimensional requirements and corrosion protection coating thickness. Coating thickness will measured according to any of the procedures of subsection 1618.3 .
f.The final disposition of all components will be comp leted at the final destination as the result of inspection for the quality of workmanship and the delivery condition. 1619 - STEEL PIPE
1600-31 Section 1619
STEEL PIPE 1619.1 DESCRIPTION This specification governs steel pipe intended for various applications including protective encasements. 1619.2 REQUIREMENTS
a.General. The pipe is to comply with the design, dime nsions, requirement for corrosion protection, and specific fabrication requirements as sp ecified in the Contract Documents. Unless corrosion protection is specified, the pipe is to be provided in the as produced and as machined condition.
b.Material Specifications.
1.Steel pipe for applications other than encasement is to comply with ASTM A 53, Types E and S, Grade
B.As noted, the pipe may be electric resistance welded, Type E, or seamless, Type S. Furnace welded pipe, Type F, is not acceptable. (2) When corrosion protection is specified, zinc coat the pipe by the hot dip galvanizing (HDG) process in compliance with ASTM A 53. Perform all welding and forming operations prior to HDG unless the size or configuration of the final product makes this impractical . If deviation from the desired sequencing is necessary, submit a request detailing the circumstances requiring the de viation and the procedures for repairing the damages to the coating, to the Engineer of Tests for review and approval prior to proceeding with the assembly.
3.Steel pipe utilized for protective encasement is to comply with ASTM A 139, Grade B. The minimum acceptable wall thickness is 0.25 inch. The pipe ends are to be machined, chamfered, for welding according to the specifications of A 139. 1619.3 TEST METHODS Conduct all tests required by the applicable ASTM specifications of subsection 1619.2b . Coating thickness may be measured by any one of the methods specified in ASTM B 633 and by eddy current methods, ASTM E 376 (B 244 may also be useful as a technique guideline), provided that appropriate calibration procedures and standards have been applied. The magnetic induction and eddy current methods are nondestructive in nature and are preferred. Destructive techniques, i.e., coa ting removal, may be utilized as referee methods. 1619.4 PREQUALIFICATION Not applicable. 1619.5 BASIS OF ACCEPTANCE
a.Pipe other than encasement pipe.
1.Submit for approval a Type A certification ( certified mill test report), as specified in DIVISION 2600 , that complies with subsection 1619.2 . Submit samples to the Engineer of Tests for evaluation and testing.
2.Inspection and testing by field personnel of pipe for compliance with dimensional requirements and corrosion protection coating thickness when corrosion pr otection is specified. Measure the coating thickness according to any of the procedures of subsection 1619.3 . b . Encasement Pipe . Receipt and approval of a Type D certification as specified in DIVISION 2600 .
c.The final disposition of all pipe will be completed at the final destination as the result of inspection for the quality of workmanship and the delivery condition. 1620 - MATERIALS FOR FENCING
1600-32 Section 1620
MATERIALS FOR FENCING 1620.1 DESCRIPTION This specification governs the ferr ous and nonferrous materials and co mponents utilized in the construction of fences of various types. 1620.2 REQUIREMENTS
a.General. Fencing materials and components governed through this specification must comply with subsection 1620.2b unless specified otherwise in the Contract Documents. The height and design of any fence is to be as specified in the Contract Document s. This also applies to, but is not re stricted to, wire diameters, mesh size, tension bar dimensions, selvage type, brace and tension ba nds, post caps, sleeves, rail ends, and other miscellaneous and accessory components associated w ith the type of fence specified.
b.Material Specifications .
1.Chain Link Fence. Provide chain link fence that complies with AASHTO M 181. Provide framework (post and rail) components that comply with ASTM F 1043 for heavy industrial fence with only pipe Group IA or IC permitted. When polymer-coating is specified in the contract documents, provide chain link fence that complies with AASHTO M 181, Type IV, Class A, extruded and bonded; or Type IV, Class B. Use the color specified in the Contract Documents that complies w ith AASHTO M 181 or ASTM F 934. Provide accessory and miscellaneous components th at comply with ASTM F 626. Components not specifically addressed in this or the other specifications must comply with the Chain Link Fen ce Manufacturer’s Institute (CLFMI) Product Manual, CLF 2445. Tension bars are to have nominal dimensions of not less than 3/16 inch by 3/4 inch and may not be more than 2 inches shorte r than the height of the chai n link fabric they are applied to. Brace and tension bands are to have nominal dimensions of not less than 3/32 inch by 7/8 inch and comply with the cross section profile of the posts they are to be applied to. Truss rods are to have a minimum nominal diameter of 3/8 inch. The terminology applied to chain link fencing is to be consistent with ASTM F 552. The corrosion protection coating requirements of AASHTO M 181 apply to all components and supersede less stringent requirements that may occur in other specifications.
2.Chain Link Fence (Special). Provide Ch ain Link Fence (Special) that complies with subsection 1620.2b.(1) , except provide pipe or tubing for framework that complies with the following: Nominal Pipe Size (NPS) as shown on the Contract Documents. Outside diameter and wall thickness correspond ing to Extra Strong Pipe (Schedule 80). ASTM A 53, Grade B; ASTM A 500, Grade B, C or D; ASTM A 501, Grade A; or ASTM F 1083 Intermediate Strength Grade (use only for size NPS 5 or larger). ASTM F 1083 High Strength 83,000 Grade may be used for framework that is not welded to a base plate or other component. Other pipe or tubing will be approved provided it meets the dimensional requirements and the tensile and chemical requirements of on e of the materials listed above. Do not use continuous, furnace butt-welded (Type F) pipe.
3.Barbed Wire. Provide zinc-coated and aluminum-coated steel barbed wire that complies with AASHTO M 280. All barbed wire is to have dual line wires, each of 0.1 inch minimu m nominal diameter, with four point round wire barbs, 0.08 inch minimum nominal diameter wire, at a nominal spacing of 5 inches. The dual line wires must have a unidirectional twist and have the barbs applie d to one line wire only unless they are interwoven through the line wires. A Class 3 coating level is required for zinc coated barbed wire.
4.Woven Wire Fabric (horizontal line wires, vertical stay wires). Provide zinc-coated and aluminum- coated steel woven wire fence fabric that complies with AASHTO M 279. A Class 3 coating level is required for zinc-coated woven wire fence fabric, and the minimum permissible line wire breaking strength is 960 pounds.
5.Steel Fence Posts and Assemblies. Except as addressed previously in subsection 1620.2b.(1) and (2) , provide posts and assemblies that comply with AASHTO M 281. (6) Zinc-Coated Steel Wire Strand. Provide strand for use in conjunction with fences that complies with 1620 - MATERIALS FOR FENCING
1600-33 Astm A 475.
7.Swing or Slide Type Gates. Provide gates that comply with ASTM F 900 for swing type and ASTM F 1184 for slide type. The wire or fabric utilized in the fe nce construction is to be applied to the gate frame unless specified otherwise through subsection 1620.2a . It will be an option to require hot dip galvanizing of the frame after weld construction.
8.Accessory and miscellaneous com ponents not referenced previously in a specification or this subsection must be zinc coated in compliance with ASTM A 153 for hot dip galvanizing or ASTM B 633 for electrodeposited zinc on threaded fastener components of nominal size of less than 1/2 inch diameter. Mechanically deposited zinc coatings on larger fastener components is permitted, however, other than the zinc coating application method, all requirements of ASTM F 2329 must be complied with. Fastener components must comply with SECTION 1616 . Aluminum coating is acceptable when permitted and regula ted by the specification that governs the component.
c.Fence (Chain Link) (Special) (Duplex/PVC).
1.All posts, hardware, etc. Perform the followi ng duplex protection requirements in order listed: Use Fence (Chain Link) (Special) as specified in this specification, and galvanize according to subsection 1620.2b. smooth out any drips, dross or ash inclusions Do not quench bath galvanized surfaces that are to be duplex coated. Clean using alkaline cleaners, ammonia cleaners or solvent. Passivating film is prohibited; Rinse with clean water; Dry completely; Prepare the surface according to ASTM D 6386 and the following: Blast clean with SSPC-SP-7 usin g abrasives softer than zinc; Aluminum-Magnesium Silicates; Walnut shells; Sand with a Mhos hardness equal to or less than 5, and between 200-500 grit; Temperature must be > 70° and less than 50% humidity; After blasting, leave a minimum of 3.3 mils of galvanizing with a + tolerance of 2 mils; Powder coat; Use polyester powder with degassing agents; Preheat materials to be powder coated; Powder coat a thickness of 3.5 to 4 mils; Measure and report galvanizing thickness before and after blasting and report the powder coat thickness; Perform Methyl Ethyl Ketone (MEK) test, and report the results; and Perform Cross Hatch test according to ASTM D 3359, and report the results.
2.Woven Chain Link. Use the same specified color th at was used for the posts, hardware, etc. When no color is specified, use black. The PVC coating sh all conform to AASHTO M 181 Type IV Class A. 1620.3 TEST METHODS Conduct all tests required by the applicable AA SHTO, ASTM, or other material specifications of subsection 1620.2b and c. Coating thickness may be measured by any one of the methods specified in ASTM B 633 and by eddy current methods, ASTM E 376 (B 244 may also be useful as a technique guideline), provided that appropriate calibration procedures and standards have been applied. The magnetic induction and eddy current methods are nondestructive in nature and are preferred. Destructive techniques, i.e., coating removal, may be utilized as referee methods. 1620.4 PREQUALIFICATION Not applicable. 1620.5 BASIS OF ACCEPTANCE
a.Submit for approval a Type B ce rtification, as specified in DIVISION 2600 , that governs all wire utilized in the construction of the fence or fence components, regardless of application. 1620 - MATERIALS FOR FENCING 1600-34
b.Submit for approval a Type B ce rtification, as specified in DIVISION 2600 , that governs all post and rail utilized in the construction of Chain Link Fence (Speci al). Provide certifications that show all information necessary to verify compliance with the dime nsional requirements of this specification.
c.Submit for approval a Type B certification as specified in DIVISION 2600 , that governs the Duplex/PVC Protection utilized in the construction of Fence (Chain Link) (Special). Provide certifications that s how all information necessary to verify compliance with the requirements of this specification.
d.Receipt and approval of a Type D certification as specified in DIVISION 2600 for all other fencing components.
e.Inspection and testing by field personnel of all fencing components for compliance with corrosion protection coating thickness, dimensional requirements, quality of workmanship and the delivery condition. 1621 - STEEL SIGN POSTS
1600-35 Section 1621
STEEL SIGN POSTS 1621.1 DESCRIPTION This specification governs steel posts intended for sign support and other various applications. 1621.2 REQUIREMENTS
a.General.
1.Channel or ‘U” Type. Provide posts that have the symmetrical cross section profile of a channel with flared and extended flanges as displayed in AASHTO M 281 for the channel or 'U' type post cross section with a cross section that is uniform throughout the post length. The post length(s), weight per unit length, and specific fabrication requirements are as speci fied in the Contract Documents. Perforate the web center of the post with 3/8 inch diam eter holes on one-inch centers initiating at one inch from one end of the post relative to the first hole center. Perforate the post not less than 36% of the post length for posts up to 11 feet in length and not less than 50% of the length for posts of 11 feet or greater in length. Perforating the total length of the post is permitted. The method of perforation is at the discretion of the post manufacturer; however, the holes must be uniform in diameter, de-burred, and smooth sided. Perform all perforating and machining operations prior to application of the corrosion protection coating. Provide posts with steel weight per unit length for posts of either 2.0 lb/ft or 3.0 lb/ft, as specified in the Contract Documents. The tolerance on this requirement is 3, +10%. It is preferable that the weight per unit length be determined on non-perforated, non-coated posts. If this is not possible or practical, the unit length mass may be near the lower end of the tolerance band. Compensate for any coating that is present during determination of the unit length weight.
2.Perforated Square Steel Tube (PSST). Provide posts, post anch ors, anchor sleeves, and anchor extensions that have a square cross section which is uniform throughout the post length. Perforate the total length (all four sides) of sign posts, post anchors, and anchor sleeves with 7/16 inch diameter holes on one inch centers initiating one inch from one end of the post relative to the first hole center. Embossed rings or die-cut knockouts are an acceptable substitute for perforated ho les. The method of perforation is at the discretion of the post manufacturer; however, the holes must be uniform in diameter, de-burred, and smooth sided. Perform all perforating, cutting, and machining op erations prior to application of the corrosion protection coating. Anchor extensions are used in sign post square coupler footings and are not perforated. Provide posts, post anchors, anchor sleeves, and anchor extensions with dimensions shown on the Contract Documents.
b.Material Specifications .
1.Channel or ‘U’ Type. The selection of the steel for production of the posts is at the discretion of the post manufacturer. However, the finished product must comply with TABLE 1621-1 when center po int loaded as a simple beam. The test post beam is to span 48 inches and have the channel web placed upward. TABLE 1621-1: LOAD DEFLECTION REQU IREMENTS – CHANNEL OR ‘U’ TYPE Post Weight per Unit Length (lbs/ft) Applied Load (lbf) Center Deflection Acceptable Range at Applied Load (inches) Maximum Retained (plastic) Deflection after Test (inches) 2.0 700 0.30 0.60 0.01 3.0 1200 0.27 0.60 0.01 After all fabricating operations have been performed, protect posts from corrosion by application of a zinc coating by the hot dip galvanizing (HDG) process in accordance with ASTM A 123, Thickness Grade 85 minimum. (2) Perforated Square Steel Tube (PSST). Manufact ure posts, post anchors, anchor sleeves, and anchor extensions from steel sheet or strip that conform to ASTM A 1011 SS Grade 50 and which is zinc coated in accordance with ASTM A 653, coating de signation G90. The finish ed tubing, prior to perf orating, shall have a 1621 - STEEL SIGN POSTS
1600-36 minimum yield strength of 60 ksi.
1621.3 TEST METHODS Conduct all tests required through subsection 1621.2 and by the applicable ASTM specifications of subsection 1621.2 . Coating thickness may be measured by any one of the methods specified in ASTM B 633 and by eddy current methods, ASTM B 244, provided that appropriate calibration procedures and standards have been applied. The magnetic induction and eddy current methods are nondestructive in nature and are preferred. Destructive techniques, i.e., coating remova l, may be utilized as referee methods. 1621.4 PREQUALIFICATION Not applicable. 1621.5 BASIS OF ACCEPTANCE Submit for approval a Type A certification ( certified mill test report), as specified in DIVISION 2600 , that comply with subsection 1621.2 . Submit the channel or ‘U’ type samples to the Engineer of Tests for evaluation and testing. Also submit for approval a Type B certification covering results of tests on tubing for PSST that comply with subsection 1621.2 . Inspection of posts, including app licable anchor pieces, by field personn el for compliance with dimensional requirements and for the quality of the corrosion protection coating. The final disposition of all posts will be completed at the final destination as the result of inspection for the quality of workmanship and the delivery condition. 1622 - STEEL POSTS FOR DELINEATOR MARKERS
1600-37 Section 1622
STEEL POSTS FOR DELINEATOR MARKERS 1622.1 DESCRIPTION This specification governs steel posts intended for the support of delineator markers. 1622.2 REQUIREMENTS
a.General. Provide posts that have the symmetrical cro ss section profile of a channel with flared and extended flanges as displayed in FIGURE 1622-1 for the channel or 'U' type post cross section. Make the cross section uniform throughout the post length. Specific fabri cation requirements are as specified in the Contract Documents. The nominal post length is 7 feet unless speci fied otherwise in the Contr act Documents. The post weight per foot is governed by this subsection. Perforate the web center of the post with 3/8 inch diameter holes on 1 inch centers, initiating at 1 inch from one end of the post relative to the first hole center. Perfor ate the post for not less than 2 feet. Perforating the total length of the post is permitted. The method of perforation is at the discretion of the post manufacturer; however, the holes must be uniform in diameter, de-burred, and smooth sided. Provide posts with a mass per unit length of 1.1 lbs/ft. The tolerance on this requirement is 3, +10%. It is preferable that the weight per unit length be determined on non-perforated, non-coated posts. If this is not possible or practical, the unit length weight may be near the lower end of the tolerance band. Compensate for any coating that is present during determination of the unit length weight. FIGURE 1622-1, Channel or ‘U’ Type Post Cross Section
b.Material Specifications. The selection of the basis steel for production of the posts is at the discretion of the post manufacturer. Protect posts from corrosion by application of an organic zinc coating or a zinc coating by the hot dip galvanizing (HDG) process or produced from HDG sheet steel. Perform all perforating and machining operations prior to application of the organic zinc coating or HDG of the finished post. Non-coated edges on posts produced from HDG sheet steel are acceptable. Th e method of corrosion prot ection utilized is at the discretion of the post manufacturer. Remove all burrs, fins, sharp projections, etc. from all finished posts. 1622.3 TES T METHODS Not applicable. 1622.4 PREQUALIFICATION Not applicable. 1622.5 BASIS OF ACCEPTANCE Inspection of delivered posts for compliance w ith dimensional and corrosion protection coating requirements, quality of workmanship, delivery condition, and any other requirements as may be specified in the Contract Documents. 1623 - STEEL PERMANENT DECK FORMS
1600-38 Section 1623
STEEL PERMANENT DECK FORMS 1623.1 DESCRIPTION This specification governs the requirements for the steel utilized to fabricate permanent deck forms. 1623.2 REQUIREMENTS
a.General. These forms are, by design, incorporated into the structure as an integral component. They contain the concrete during placement and add support to the deck of the finished structure. The design, dimensions, steel designation and thickness in inches, and specific fabrication requirements are to be as specified in the Contract Documents, or on the shop drawings.
b.Material Specifications . Use steel in these forms that complies with ASTM A 653, st ructural steel (SS) and high strength low alloy steel (HSL AS), zinc coated to the Coating Desi gnation G210 requirements. All HSLAS Type A and B Grades are acceptable. All SS Grades, ex cept 50, are acceptable. Certain HSLAS require specific welding procedures. If welding of these stee ls is required, consult the steel producer. 1623.3 TEST METHODS Conduct all tests required by the applicable ASTM specifications of subsection 1623.2b . Coating thickness may be measured by any one of the methods specified in ASTM B 633 and by eddy current methods, ASTM B 244, provided that appropriate calibration procedures and standards have been applied. The magnetic induction and eddy current methods are nondestructive in nature and are preferred. Destructive techniques, i.e., coating removal, may be utilized as referee methods. 1623.4 PREQUALIFICATION Not applicable. 1623.5 BASIS OF ACCEPTANCE Receipt and approval of a Type D certification as specified in DIVISION 2600 . Inspection and testing by field personnel of delivered permanent deck forms for compliance with dimensional and corrosion protection coating requirements, qu ality of workmanship, delivery condition, approval of required associated documentation, and any other requiremen ts as may be specified in the Contract Documents. Coating thickness will be measured accor ding to any of the procedures of subsection 1623.3 . 1624 - ZINC COATINGS
1600-39 Section 1624
ZINC COATINGS 1624.1 DESCRIPTION This specification governs the requirements for zinc coat ings applied to wrought and cast steel or cast iron products and components that are not specifically addressed within DIVISION 1600 . 1624.2 REQUIREMENTS Wrought and cast steel products not specifically governed by DIVISION 1600 may be zinc coated in compliance with ASTM A 153 for hot dip galvanizing. Cast iron products may be zinc coated by the hot dip galvanizing process in compliance with ASTM A 153, also refer to SECTION 1613 and ASTM A 47, Supplementary Requirement S5, with regard to ferritic malleable iron castings. When hot dip galvanizing cast iron produc ts, exercise caution to avoid galvanizing embrittlement. Wrought and cast steel or cast iron products may also be corrosion protected by the mechanical deposition of a zinc coating in compliance with ASTM B 695 as an alternative method, particularly when galvanizing embrittlement may be a factor. The Class required for ASTM B 695 is to be determined from the ASTM A 153 minimum coating requirem ent for the product Class of Material. When corrosion protection by zinc coating is required, it must be specified in the Contract Documents. The method of coating, however, is to be at the discretion of the product manufacturer and selected from the alternatives addressed within this subsection. 1624.3 TEST METHODS The tests required for a product are to be based upon the consensus of the manufacturer and the KDOT. Conduct these tests as required by the applicable ASTM, or other material specifications of subsection 1624.2 . Coating thickness may be measured by any one of the methods specified in ASTM B 633 and by eddy current methods, ASTM E 376 (B 244 may also be useful as a technique guideline), provided that appropriate calibration procedures and standards have been applied. The magnetic induction and eddy current methods are nondestructive in nature and are preferred. Destructive techniques, i.e ., coating removal, may be utilized as referee methods. 1624.4 PREQUALIFICATION Not applicable. 1624.5 BASIS OF ACCEPTANCE Inspection and testing by field personnel of delivered products and components for compliance with dimensional and corrosion protection coating requirements, qu ality of workmanship, delivery condition, approval of any required associated documentation, and any other requirements as ma y be specified in the Contract Documents. Measure coating thickness according to any of the procedures of subsection 1624.3 .
Source: Kansas Standard Specifications for State Road and Bridge Construction, 2015 Edition. Pages 772–784 of 978.