Section 718 Section 718
718.04 Preservative . The preservatives shall meet the applicable requirements of
AWPA, and the water content in an oil preservative shall not exceed 3.0% unless otherwise approved by the Engineer; but in no case shall it exceed 5.0%.
718.04.1 Blank.
718.04.2 Blank.
718.04.3 Pentachlorophenol . The pentachlorophenol sha ll meet the requirements of
AWPA P-8. The test methods shall be e ither AWPA or Mississippi Test Methods. The hydrocarbon solvent used in the pentachlorophenol solution shall meet the requirements of AWPA P-9, Type A or B. Wh en painting is required, Type B solvent shall be used. Type A solvent shall be used for all other treatment unless otherwise specified. Minimum Treatment Rates for Pe ntachlorophenol Preservative Material Coastal Areas and Br ackish Water Other Locations Retention pounds / cubic foot Retention pounds / cubic foot Lumber Piling Poles Material to be Painted (1) Penta Not Permitted 0.60
2.0.80 0.80 0.60 (2) Notes: (1) Pentachlorophenol not permitted for lumber that will be in contact with brackish water. Lumber in the Coasta l Area that is not in contact with brackish water may be treated as specified for "Other Locations".
2.Treated at the rate specified ab ove using AWPA P-9, Type B Solvent.
718.04.4 Chromated Copper Arsenate (CCA) . The solution shall contain a sufficient
concentration of the water-born preservative to produce the minimum specified retention. The preservative shall meet the requirements of AWPA P-5, CCA Type B or C. The test methods shall be either AWPA or Mississippi Test Methods. Minimum Treatment Rate For Chromated Copper Arsenate Preservative Material Coastal Areas and Brackish Water Other Locations Retention pounds / cubic foot Retention pounds / cubic foot Lumber (1) Piling Poles 2.50 2.50 0.60 0.80 0.80 0.60 Notes: (1) Lumber in the Coastal Area that is not in contact with brackish water may be treated as specified for "Other Locations". SECTION 719 - PILES
719.01 General . Piles shall be untreated timber, treated timber, precast concrete, cast-in-
place concrete, or steel piles, as specified an d in addition to the general requirements of these specifications and the plans, shall conf orm to the specific requirements hereinafter set forth, unless otherwise stipulated.
719.02 Timber Piles. All piles shall conform to the requirements of ASTM D 25, except
as hereinafter specified. Inspection for conformance to these specifications will be conducted in accordance with Department SOP. The circumference and diameters of piling shall be in conformity with Table I.
719.02.1 Untreated Timber Piles . Untreated timber piles may be any species that
satisfactorily withstand driving. Th ey shall be reason ably clean-peeled.
719.02.2 Treated Timber Piles . Treated timber piles shall be Southern Pine preferably
cut during the winter season . Treated timber piles shall be inspected and treated in accordance with the re quirements set forth in Section 718. TABLE I CIRCUMFERENCES AND DIAM ETERS OF TIMBER PILES Three Feet From Butt At Tip Minimum Maximum Minimum Length Circum- ference Approx. Diameter Circum- ference Approx. Diameter Circum- ference Approx. Diameter Feet inches inches inch es inches inches inches Under 40 40 to 50* 51 to 70* 70 to 90* Over 90 * inclusive 38 41 41 44 12 12 13 13 14 63 63 63 63 63 20 20 20 20 20 25 22 22 19 19 8 7 7 6
719.03 Concrete Piles . Concrete piles, both prestr essed and cast-in-place, shall be
constructed in conformity w ith the plans and in accordan ce with these specifications. Additional requirements for prestresse d piles are set out in Section 803. All concrete materials and their preparation and placing shall be in accordance with the requirements of the class of concrete speci fied and in accordance with Section 803. Reinforcing steel shall conform to the requirements of Section 711.
719.04 Steel Piles . The material in rolled steel piles shall be standard structural grade
steel of the section number, size, and weight per linear foot indicated on the plans. The steel shall conform to the requirem ents of ASTM A 572, Grade 50. The Contractor shall furnish the State Materials Engineer three certified copies of the mill test reports containing the true chemical and physical analyses of the material.
719.05 Steel Sheet Piling . Steel sheet piling shall conform to the requirements of ASTM
A 328. The Contractor shall furnish the State Material s Engineer with three certified copies of the mill test reports containing the true chem ical and physical analyses of the material.
719.06 Steel Pipe Piling. Steel pipe piles shall conform to the requirements of ASTM
A252, Grade 3 and shall be e ither (1) seamless, (2) butt-we lded: Electric Resistance Weld (ERW) or Double Submerged Arc Weld (DSAW), or (3) spiralweld pipe. Lap welded seams are not acceptable. The steel shall be a Prequalified Base Metal from the American Welding Society (AWS) Dl. 1 Structural Welded Code-Steel. Prior to fabrication, the Contractor shall furnish the State Materials Engineer three certified copies of steel producer's certificates in acc ordance with ASTM A252. Steel pipe piles shall be uniform sections of the outside diameter and wall thickness shown on the plans. Steel pipe piles shall resist th e earth pressure and retain their original form free from harmful distortions after they and adjacent piles have been driven. All welding of steel pipe piles, including attach ment of pile tips, shall be done by certified welders and shall comply with the governing specifications designated in Subsection
810.02 2.
Two coats of two-part, manufacturer applied, epoxy coal tar coating shall be applied to the outside of all permanent steel pipe piling prior to driving. The limits of application of the coating along the length of the piles shall be as shown on the plans. The epoxy coal tar coating shall conform to the requirements of US Corps of Engineers Specification C-200 and shall be one of the products listed in the pl ans, or an approved equal. The color shall be black. All steel pipe pile surfaces to recei ve the epoxy coal tar coating shall be cleaned in accordance with Subsection 814.03.7. Any shop applied epoxy coal tar coating damaged during handling or transport shall be repa ired in accordance with the manufacturer’s recommendations. Concrete used to plug the driven steel pipe piles shall conform to the requirements of Section 804 for Class “AA” concrete, unless otherwise noted. SECTION 720 - PAVEMENT MARKING MATERIALS
720.01 Glass Beads . The beads shall be transparent, clean, colorless glass, smooth and
spherically shaped, free from milkiness, pits, or excessive air bubbles and conform to the specific requirements for the class designated. The glass beads shall contain no more than 200 ppm (mg/kg) total concentration for lead, arsenic, or antimony. The manufacturer shall furnish the Engineer with a certified test report indicating that the glass beads meet the above requirement. Unless otherwise specified, Class A glass beads shall be furnished. 720.01.1--Class A. The Class A, Standard, beads shall be Type 1, non-flotation with a moisture resistant coating conforming to the requirements of AASHTO M 247.
720.01.2 Class B. The Class B, High-Visibility, beads shall be non-flotation, embedment
coated and conform to the following specific requirements. 720.01.2.1--Gradation. The beads shall meet the grad ation requirements of Table 1.
Source: Mississippi Standard Specifications for Road and Bridge Construction, 2017 Edition. Pages 853–854 of 1,113.