For highway construction oregon department of transportation salem, oregon
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(Use the following subsection .11 on projects that require steel piles. Insert bridge structure number and bent number under "Location". Insert the number of piles in each bent under "No.". Insert the estimated length of the individual piles in each bent under "Length". Insert the type and dimensions of the pile under "Kind". Obtain information from the Geotechnical Designer. ) 00520.10 General - Add the following sentence: Steel pipe piles shall conform to requirements of ASTM A-252, Grade 3. 00520.11 Engineer's Estimated Length List - Add the following to the end of this subsection: The Engineer's estimated lengths of steel piling are: Location No. Length (Feet) Kind Bent 1 5 375 PP20x0.5 Bent 2 5 375 PP20x0.5 (Use the following subsection .12 on projects that require prestressed concrete piles or timber piles. Delete "(timber piling)" if not on project. Insert bridge number and bent number under "Location". Insert the number of pile in each bent under "No.". Insert the order length of the individual piles in each bent under "Length". Insert the type and dimensions of the pile under "Kind". For timber piling, include butt or tip size and whether they are friction or bearing pile under "Kind". Obtain information from the Geotechnical Designer.) 00520.12 Pile Order List - Add the following to the end of this subsection: The pile order list for precast prestressed concrete piling (timber piling) is: Location No. Length (Feet) Kind (Use the following subsection .13 on projects that require test piles. Insert bridge structure number and bent number under "Location". Insert the number of piles in each bent under "No.". Insert the estimated length of the individual piles in each bent under "Length". Insert the type and dimensions of the pile under "Kind". Obtain information from the Geotechnical Designer. ) 00520.13 Test Piles - Add the following to the end of this subsection: The required test piles are: Location No. Length (Feet) Kind (Use the following subsection .20(c-4) when required by the Geotechnical Designer.) 00520.20(c-4) Followers - Add the following to the end of this subsection: Followers are permitted. (Use the following subsection .20(d-3) when WEAP input values are required. Include further explanations if necessary. More than one table may be required to assess pile driving stresses through upper hard or dense soils layers or other conditions. Consult with the Geotechnical Designer regarding the appropriate input(s) to use. Typically supply the highest Rn. value and the worst-case driving conditions that the contractor should use in the WEAP analysis to determine hammer requirements. Supply WEAP input data for a complete "drivability analysis" if appropriate. Obtain information from the Geotechnical Designer.) 00520.20(d-3) Wave Equation Method - Add the following paragraph and tables at the end of this subsection: The input values for the wave equation analyses are:
* These pile lengths are based on the top of the pile being at the finished cutoff elevation. All additional pile length above the cutoff elevation, that may be required to accommodate the Contractors pile installation method or site conditions, shall be added to the lengths listed above and appropriate changes made to the skin friction distribution input listed below. (Use one of the following two options. Delete the one that does not apply.) [ Option 1 - Use this option when either triangular or rectangular distribution is required. Delete the one (triangular or rectangular) that does not apply. ] Use triangular (rectangular) skin friction distribution. [ Optional 2 - Use this option when providing relative skin friction values in table form. Insert Relative Skin Friction Distribution values in the table. Fill in the bent number. Add or delete rows and columns as appropriate.] Use the relative skin friction distribution values listed below in the WEAP analysis:
(Use the following subsection .41(d) when augering or wet-rotary drilling is allowed by the Geotechnical Designer.) 00520.40 Preparation for Driving - Add the following: 00520.40(c) MSE Retaining Walls - Place CMP or other Enginneer approved sleeves or pipe casing in MSE walls around piles to avoid friction between piles and MSE backfill. Corrugated metal pipesIf used, casing shall be backfilled with Granular Structuresand Bbackfill. Casing shall not be so large as to interfere with MSE reinforcement. Submit plans for sleeves or casing to Engineer according to 00150.35.00520.40(c) MSE Retaining Walls - Place CMP or other Engineer approved sleeves in MSE walls around piles to avoid friction between piles and MSE backfill. Corrugated metal pipes shall be backfilled with Granular Structure Backfill. 00520.41(d) Preboring - Add the following sentence to the end of this subsection: Use augering, wet-rotary drilling or other approved methods of preboring as directed. (Use the following subsection .41(e) when jetting is allowed by the Geotechnical Designer.) 00520.41(e) Jetting - Add the following sentence to the end of this subsection: Jetting is permitted. (Use the following subsection. 42(d) when required by the Geotechnical Designer.) 00520.42(d) Set Period and Redriving - Add the following sentence to the end of this subsection: Piles may be redriven after being allowed to set. (Use the following subsection .43(c) on projects with steel pipe piles that do not require reinforced tips. Delete the end treatment that does not apply and remove the parentheses. Obtain information from the Geotechnical Designer. If reinforced tips are required, do not use this subsection; instead use subsection .43(d) below.) 00520.43(c) End Treatment - Add the following sentence to the end of this subsection: Drive steel pipe piles (open) (closed)-ended with tip treatment as shown. (Use the following subsection .43(d) on projects with steel pipe piles that require reinforced pile tips Delete "inside" or "outside" as appropriate and remove the parentheses. Obtain information from the Geotechnical Designer.) 00520.43(d) Reinforced Pile Tips - Add the following sentence to the end of this subsection: For steel pipe piling, provide (inside) (outside) fit, open end cutting shoes meeting the requirements of 02520.10(e). 00520.90 Payment - Add the following sentence to the end of this subsection: Payment for item (d) includes furnishing and installing pile sleeves or pile casings in accordance with 00520.40(c). SP530 (03-31-08) SECTION 00530 - STEEL REINFORCEMENT FOR CONCRETE (Follow all instructions. If there are no instructions above a subsection, paragraph, sentence, or bullet, then include them in the project but make necessary modifications to only include project specific specifications. Delete specifications that do not apply to the project.) Comply with Section 00530 of the Standard Specifications modified as follows: (Use the following subsection .80(a) when reinforcement is paid for on the lump sum basis. Remove the coated column if coated steel is not required. Obtain information from the Bridge Designer.) 00530.80(a) Lump Sum - Add the following to the end of this subsection: The estimated quantity of reinforcement is: Quantity Structure UncoatedCoated (Pound)(Pound) Br. No. 20665 TBD31,500 The weight of miscellaneous metal, based on weights listed in 00530.80(b) and Project quantities, is included in the estimated quantity of uncoated reinforcement. SP535 (03-31-08) SECTION 00535 - RESIN BONDED ANCHOR SYSTEMS Comply with Section 00535 of the Standard Specifications. SP540 (10-23-08) SECTION 00540 - STRUCTURAL CONCRETE (Follow all instructions. If there are no instructions above a subsection, paragraph, sentence, or bullet, then include them in the project but make necessary modifications to only include project specific specifications. Delete specifications that do not apply to the project.) Comply with Section 00540 of the Standard Specifications modified as follows: 00540.10 General - Add the following sentence to the end of the tableis subsection: Expanded Rubber Filler Pad………………….02440.13 Furnish a concrete surface retarder from the QPL. 00540.17(c) Hardened Concrete - In the paragraph that begins "Cast and cure test…", replace "14 inch x 8 inch" with "4 inch x 8 inch". 00540.17(c-3) Acceptance - Replace the paragraph that begins "If an ASTV falls…" with the following paragraph: If an ASTV falls below ƒ'c, the Contractor may submit a written plan outlining a proposed alternate method of evaluating compressive strength. Submit the plan for review by the Engineer within three days of the test. Provide evidence that a reasonable 'cr (over design) was maintained and that there is credible evidence (besides low strength) which warrants consideration of this option. The Engineer may allow an alternate method of acceptance if the compressive strength test results are determined to be suspect from definable external factors. 00540.43(a) Construction Joints - Replace the paragraph that begins "Within 24 hours after…" with the following paragraphs: Apply a concrete surface retarder according to the manufacturer’s recommendations. Remove surface mortar within the time period recommended by the manufacturer and clean the joint surface and reinforcing steel by removing loosened particles of aggregate, damaged concrete, unconsolidated concrete and surface laitance with a high pressure washer conforming to 00540.28 to the extent that clean aggregate (free of surface mortar) is exposed on 50% of the surface. Clean the joint surface again immediately prior to the concrete placement to remove any subsequent deposits of dirt, debris or other foreign materials. Saturate the joint surface with potable water immediately before resuming concrete placement. Remove standing water in depressions or hollows of the joint surface. Saw cut the top 1 inch of the deck joints with a straight vertical cut before subsequent concrete placement and before saturating the surface with water. Where joints are straight and without spalls, the Engineer may waive this saw cut requirement. Hand rub or brush fresh concrete paste onto the existing surface of vertical deck joints down to the top mat of reinforcing steel at the beginning of subsequent concrete placement. Stay in place joint forms are not allowed in bridge deck construction joints. 00540.43(c) Joint with Fillers - Replace this subsection with the following subsection: 00540.43(c) Joint with Fillers - Construct joints with preformed expansion joint fillers, expanded rubber filler pad or poured fillers as shown and according to the manufacturer's recommendations for the filler used. Add the following sentence to the end of the paragraph: Provide a 3/4 inch chamfer on each edge of the joint unless otherwise noted. 00540.48(g) Bridge Decks - Add the following bullet to the bullet list:
00540.50(c) Deck Roadway Texturing - In the bullet that begins "Unequally space…", replace "Unequally space grooves from" with "Space groves randomly from". Add the following bullet after the bullet that begins "Orient the grooves…":
00540.51(b) Curing Concrete Bridge Decks - In the bullet that begins "Provide wind breaks…", replace "0.20 pounds per square foot" with "0.10 pounds per square foot". 00540.53(a-1) On All Surfaces - In the bullet that begins "Fill holes and…", replace "1/2 inch" with "1/4 inch". 00540.53(d-1) Concrete Paint - In the sentence that begins "Thoroughly saturate the surface…", replace "02210.30(c)" with "02210.30". 00540.54 Crack Inspection and Deck Sealing - Replace the paragraph that begins "Immediately after the cure…" with the following paragraph: Before opening the bridge deck to traffic, the Engineer will inspect the deck for cracks. (Use the following subsection .80(a-1) when concrete is paid for on the lump sum basis. Obtain information from the Bridge Designer.) 00540.80(a-1) Lump Sum - Add the following to the end of this subsection: The estimated quantity of concrete is: Quantity Structure Class (Cubic Yard) Bridge No. 20665____________ 4000 42 Bridge No. ____________ HPC4000 150 00540.80(a-1) Lump Sum - Add the following to the end of this subsection: The estimated quantity of concrete is: Type and Class Quantity (Cu. Yd.) Foundation Concrete, Class 3600 28 Deck Concrete, Class HPC4500 115 General Structural Concrete, Class 3600 40 00540.80(b) Saw Cut Texturing - Replace this subsection, except for the subsection number and title, with the following: The quantities of surface texturing will be measured on the area basis and will be the area of each bridge deck or end panel shown less 16 inches along each curb. Field measurement of surface texturing will not be made. The area will be calculated to the nearest square yard for each bridge deck or end panel. Add the following subsection: 00540.80(c) Expanded Rubber Filler Pad - The estimated area of 1" thick expanded rubber joint filler is 70 square feet. FALSEWORK DESIGN CHECKLIST Instructions - This checklist was developed to facilitate the design, review, and erection of falsework to be used for Oregon Department of Transportation bridge construction projects. This checklist is intended to act as a reminder to design or check for specific important aspects of this construction. It is not a substitute for plan and/or design criteria or specification requirements. The Checklist is to be completed and signed by the Falsework Design Engineer. Answer every question. Attach to the Checklist an explanation of any negative responses. Submit the Checklist according to 00540.41(a).
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