1807 - MOISTURE-CURE URETHANE SYSTEM
1800-11 (3) Topcoat:
Total solids, % by we ight ............................................................................... 77 minimum Pigment, Micaceous Iron Oxid e ..................................................................... 3 lb/gal minimum
4.Paint System, Cyclic Corrosion/UV Exposure Test, 15 cycles (one cycle = 2 weeks; one week of UV exposure and one week in th e Cyclic Corrosion Tester.): Scribe Corrosion ............................................................................................. 7 - 10 Unscribed Area ............................................................................................... 8 - 10 1807.3 TEST METHODS
a.Total Solids ...................................................................................................... ASTM D 1644, except heat the sample for 72 hours at 100ºF.
b.Cyclic Corrosion/UV Exposure ...................................................................... ASTM D 5894 and KTMR-30 Scribe Corrosion ............................................................................................. ASTM D 1654 Unscribed Area ............................................................................................... ASTM D 1654
c.Zinc in the Dried Film . Pigment .......................................................................................................... ASTM D 2371 Total Solids of the Whole Paint, Non-Volatile .............................................. ASTM D 2369 Calculations: ZnO x 0.8034 = Total Zinc (% Pigment x Total Zinc)/Total Solids = Zinc in Dried Film 1807.4 PREQUALIFICATION
a.Prequalification of the moisture-cure urethane system is required. Manufacturers desiring prequalification should submit a 1 pint sample of each com ponent to the Engineer of Tests. Manufacturers will be notified of results when testing is complete. The Bureau of Construction and Materials will maintain a list of prequalified materials.
b.All applicable liquid components w ill be fingerprinted using infrared spectroscopy for use in screening future verification samples to verify that materials submitted for use are of an identical formulation as originally approved. 1807.5 BASIS OF ACCEPTANCE Prequalification as required by subsection1807.4 . Receipt and approval of a Type C certification as specified in DIVISION 2600 . Visual observation of performance on the project. 1808 – CALCIUM SULFATE ALKYD SYSTEM
1800-12 Section 1808
CALCIUM SULFONATE ALKYD SYSTEM 1808.1 DESCRIPTION This specification covers a calcium sulfonate alkyd paint system for use on structural steel including weathering steel. The system may also be used for encapsulation or overcoating. 1808.2 REQUIREMENTS
a.General.
1.The coating system consists of 3 materials: rust penetrating sealer, spot primer, and topcoat. The sealer is for use on pack rusted steel associat ed with and around rockers, riveted flanges and joints. The spot primer is for use where the existing coating has been removed. The topcoat is for use over existing paint, penetrating sealer, and spot primer. The coating can be used over a variety of existing paints including but not limited to lead based paint, inorganic/organic zinc, epoxy, vi nyl, and alkyd. Supply each coating as a single component material. All coatings must be well ground, free of caking, skins, gelation, an d excessive settling with a shelf life of not less than 12 months. Provide pigmentation that contains no toxic heavy metals. Comply with the current national rule for industrial maintenance coatin gs concerning VOC content.
2.The manufacturer is responsible for the formulation. Once established, no change in the formulation is permitted without prior notification to and approval of the KDOT.
b.Vehicle : Use a modified overbased cal cium sulfonate alkyd resin.
c.Rust Penetrating Sealer : Total solids, % by we ight ............................................................................... 40 minimum
d.Spot Primer : Total solids, % by we ight ............................................................................... 70 minimum
e.Topcoat : Total solids, % by we ight .................................................................................. 70 minimum
f.Paint System , Cyclic Corrosion/UV Exposure Test, 15 cycles (one cycle = 2 weeks; one week of UV exposure and one week in the Cyclic Corrosion Tester.): Scribe Corrosion ..................................................................................... 7 minimum Unscribed Area ....................................................................................... 8 minimum 1808.3 TEST METHODS
a.Total Solids ....................................................................................................... ASTM D 16 44, except heat the sample for 72 hours at 100ºF.
b.Cyclic Corrosion/UV Exposure ...................................................................... ASTM D 5894 and KTMR-30 Scribe Corrosion ............................................................................................. ASTM D 1654 Unscribed Area ............................................................................................... ASTM D 1654 1808 – CALCIUM SULFATE ALKYD SYSTEM
1800-13 1808.4 Prequalification
a.Prequalification of the calcium sulfonate pain t system is required. Manufacturers desiring prequalification should submit a 1-gallon sample to the Engine er of Tests. Manufacturer s will be notified of results when testing is complete. The Bureau of Construction an d Materials will maintain a list of prequalified materials.
b.Testing and evaluation by KDOT may be waived if complete testing has been performed on the identical product by AASHTO National Transportation Product Evaluation Program (NTPEP) or another state DOT. Forward an official copy of the test report along with evidence that the product referenced is identical to that submitted for prequalification, to the Engineer of Tests for evaluation.
c.All applicable liquid components w ill be fingerprinted using infrared spectroscopy for use in screening future verification samples to verify that materials submitted for use are of an identical formulation as originally approved. 1808.5 BASIS OF ACCEPTANCE Prequalification as required by subsection 1808.4 . Receipt and approval of a Type C certification as specified in DIVISION 2600. Visual observation of performance on the project. 1901 - USES OF PIPE
1900-1 Section 1901
USES OF PIPE 1901.1 GENERAL TABLE 1901-l displays the authorized applications and specification references for all types of pipe utilized by KDOT. This table summarizes general applications for pipe. The Contract Documents should be consulted for specified uses. When a type of pipe is not specified in the Contract Documents, then any type of pipe permitted for the type of construction may be used. TABLE 1901-1 - USES OF PIPE Type of Pipe AASHTO, ASTM or Specification Class Type of Construction Spec. Cross Road Side road & EntranceStorm Sewer Under- drain (type) Under- drain Outlet (type) Sanitar y Sewer Erosion Reinforced Concrete (Arch) A-II, A-III or A-IV X X X 1902 Reinforced Concrete (Round) II, III, IV or V X X X 1902 Reinforced Concrete (Horizontal Elliptical) HE-II, HE-III or HE-IV X X X 1902 Cast Iron Soil X 1903 Cast Iron or Ductile Iron Pressure As shown on the Contract Documents X 1903 Corrugated Steel (Circular or Arch)3 X2 X2 X2 F1 G1 X 1904 & Corrugated Steel (Bituminous Coated Arch) X2 X2 X2 X 1906 Corrugated Steel (Bituminous Coated Circular) X2 X2 X2 X 1906 Corrugated Aluminum (Circular or Arch) X X X F1 G1 X 1904 & Corrugated Aluminum (Bituminous Coated Arch) X X X X 1906 Corrugated Aluminum (Bituminous Coated Circular) X X X X 1906 Corrugated Steel (Bituminous Coated Circular Fully Paved) X2 X2 X2 1906 Corrugated Aluminum (Bituminous Coated Circular Fully Paved) X X X 1906 Corrugated Polyethylene Tubing L1 E1 1907 Polyethylene (PE)4 X 2 X X2 1908 Polyvinyl Chloride (PVC)5 X 2 X X2 H1 K1 X 1909 1The letter signifies the underdrai n type designation as shown in DIVISION 800 . 2Consult the KDOT pipe policy for locations and applications where the use of CSP, PE or PVC is prohibited. Contact the Bureau of Construction and Materi als for additional information. 3Includes zinc coated (galvanized) and aluminum alloy (aluminized) coated pipe and pipe-arches provided under SECTION 1904 . Consult the KDOT pipe policy for locati ons and applications where the use of galvanized C SP and aluminized CSP is prohibited. 4Maximum size (nominal) = 60 inches. 5Maximum size (nominal) = 36 inches. 1902 - QUALITY CONTROL PROGRAM FOR PRECAST CONCRETE PRODUCTS
1900-2 Section 1902
QUALITY CONTROL PROGRAM FOR PRECAST CONCR ETE PRODUCTS 1902.1 DESCRIPTION This specification covers precast concrete pipe, end sections, inlets, manholes, boxes, and related concrete accessories. This specification does not apply to prestre ssed concrete beams or slabs, retaining wall panels, or temporary barriers. 1902.2 REQUIREMENTS
a.Materials.
1.Use cement from a prequalif ied source that complies with DIVISION 2000 . Make cement certifications available at the precast production site.
2.Fly ash may be substituted for Types II or I/II portland cement at rates up to 25 percent (35% for concrete pipe). Use fly ash from a source prequalified under SECTION 2004 . Obtain the Engineer’s approval before substituting fly ash for Type III Cement. Mix designs containing fly ash must be approved for each plant by using Kansas Test Method KTMR-29, “Wetting and Drying Test of Steam Cured Reinforced Concrete Pipe with Fly Ash.” If the mixture complies with the requirement, the producer and the KDOT plant inspect ors will be notified in writing. Preliminary approval will be given for mixtures at 150 days based on satisfactory test performance of KTMR-29. Contact the Bureau of Construction and Materials for information, and to make arrangements for testing. Alternatively, provide the results of ASTM C 1567 mortar expansion tests, using the mix design’s materials at their designated percentages. Provide a mix with a maximum expansion of 0.10% at 16 days after casting. If any of the sources of Cement, Fly Ash, or Aggregat e are changed in the future, repeat the testing or reporting procedures for the new mix design, as described in this subsection. Make all test results, certifications, and approval le tters available for review at the production site.
3.Aggregates. Use aggregates that comply with "Aggregates for Concrete Not Placed on Grade" as shown in DIVISION 1100 of the Standard Specifications except that the gradation requirements do not apply. Also, update aggregate producer's certifications at 6-month intervals and when aggregate source changes are made. Make these certifications available at the precast production site.
4.Use admixtures that comply with DIVISION 1400 . Make certifications for admixtures available at the precast production site.
5.Use steel reinforcement as specified in AASH TO M 170, AASHTO M 206 or AASHTO M 207, as applicable. Make certifications for st eel reinforcement available at the precas t production site. All steel components utilized in the products, reinforcing and structural must comply with DIVISION 1600 .
b.Pipe. Supply pipe, either elliptical, arch or round, as designated in the Contract Documents and complying with either AASHTO M 170 for round pipe, AASHTO M 206 for arch pipe or AASHTO M 207 for elliptical pipe with the following additions or deletions: (1) Classes of Pipe. Provide only Class II or stronger round pipe, Class HE-II or stronger elliptical pipe, or Class A-II or stronger arch pipe.
2.Sizes of pipe. The minimum diameters of roun d pipe and the minimum waterway areas of elliptical pipe and arch pipe will be shown in the Contract Document s. Pipe having larger diameters or waterway areas may be considered provided the Engineer approves any substitu tions. The nominal waterway areas for various sizes of arch pipe are as shown in AASHTO M 206 and for various si zes of elliptical pipe are as shown in AASHTO M 207.
3.Lift Holes. One lift hole, not to exceed 4 inches in diameter, may be provided in each section of pipe. After placement, fill lift holes with a suitable concrete mortar, unless di rected otherwise by the Engineer.
c.End Sections
1.Fabricate beveled end sections from pipe complying with this specification for Class II, Class A-II or Class HE-II pipe, as applicable. Bevel to comply with the dimensions shown on the Contract Documents.
2.Fabricate flared end sections complying with the concrete compressive strength, the absorption, the steel area and the workmanship requirements of this specification for Class II, Class A-II or Class HE-II pipe, as applicable. 1902 - QUALITY CONTROL PROGRAM FOR PRECAST CONCRETE PRODUCTS
1900-3 (3) Two lift holes, not exceeding 4 inch es in diameter, will be permitted in each section. After placement,
fill lift holes with a suitable concrete mortar , unless directed otherwise by the Engineer.
d.Manholes, Inlets, and Boxes for Storm Water Drainage . Fabricate manholes, inlets, and boxes for storm water drainage complying with the KDOT approved shop drawings, including rein forcement, ab sorption, and concrete strength.
e.Manholes, Inlets, and Boxes for Sanitary Sewer Drainage. Fabricate manholes, inlets, and boxes for sanitary sewer drainage complying with the KDOT approved shop drawings and ASTM C 478. 1902.3 TEST METHODS
a.The following current test methods and property requirements, AASHTO or the ASTM equivalent are to be applied to procedures refe renced in this specification.
1.AASHTO T-22, “Compressive Strength of Cylindrical Concrete Specimens.” Apply the single operator precision statement for field conditions from ASTM C-39.
2.AASHTO T-23, “Making and Curing Co ncrete Test Specimens in the Field.”
3.AASHTO T-24, “Obtaining and Testing Drilled Cores and Sawed Beams of Concrete.”
4.AASHTO T-119, “Slump of Hydraulic Cement Concrete.”
5.AASHTO T-121, “Weight per Cubic Foot, Yield and Air Content (Gravimetric) of Concrete.”
6.AASHTO R-39, “Making and Curing Concrete Test Specimens in the Laboratory.” (7) AASHTO T-196, “Air Content of Freshly Mixed Concrete by the Volumetric Method.”
8.AASHTO T-152, “Air Content of Freshly Mixed Co ncrete by the Pressure Method.” Not applicable, without special calibration, in the following conditions: Slump ≤ 2 inches. A mid-range or high-range water-reducer is used. An air-entraining agent other than a vinsol resin is used. Non-plastic concrete such as commonly used in the manufacture of pipe and concrete masonry units.
9.AASHTO T-231, “Capping Cylindrical Concrete Specimens.” For unbonded neoprene caps, ASTM C- 1231, “Use of Unbonded Caps in Determination of Compressive Strength of Hardened Concrete Cylinders.”
10.ASTM C-497, “Concrete Pipe, Manhole Sections, or Tile.” (Suggested minimum amplitude of 5 mils.)
11.ASTM C 1567, “Determining the Potential Alkali-Silica Reactivity of Combinations of Cementitious Materials and Aggregate (Accel erated Mortar-Bar Method).”
12.Kansas Test Method KTMR-29, “Wetting and Drying Test of Steam Cured Reinforced Concrete Pipe with Fly Ash.”
b.Cylinders are to be 4 X 8-inch, however 6 X 12-inch cylinders will also be approved.
c.Compressive strength testing of a minimum of three 28-day laboratory cured cylinders is required for each mix design of a producer. The five lo t moving average will apply to each mix design.
d.Cure optional shipping strength cylinders under the same conditions as the product they represent. Test a minimum of 2 cylinders for shipping strength at the same age. Attain a minimum of 80 percent of the specified 28-day compressive strength for the pro duct on each cylinder before shipping. These products are still subject to the requirements of this section and final approval at the project site. Note in the monthly report which products are shipped after 28 days of age, therefore not requiring shipping strength data. When shipping strength cylinders are utilized, a minimum of 1 set is to be produced at the same time period and from the same concrete batch as the 28-day comp ressive strength cylinders. Additional shipping strength cylinders may be produced at other times from different concrete batches and tested if desired. Submit all shipping strength data to KDOT and provide availability to the inspector at the production site.
e.Whether internal or external to the producing facility, the individuals conducting quality control sampling and testing for all producers are to be certified by ACI, or a KDOT approved equivalent, in the appropriate method(s) of sampling and testing, or the laboratory must be AASHTO accredited. Provide copies of the certifications to KDOT. Notify KDOT within 2 months of any changes in certification status or QC testing personnel.
Source: Kansas Standard Specifications for State Road and Bridge Construction, 2015 Edition. Pages 852–857 of 978.