1、10-06M 31 62 00 - 1 SECTION 31 62 00 DRIVEN PILES SPEC WRITER NOTE: Delete between /-/ if not applicable to project. Also delete any other item or paragraph not applicable in the section and renumber the paragraphs. PART 1 GENERAL 1.1 DESCRIPTION This section specifies materials and installation req
2、uired for the construction of impact driven foundation piles. 1.2 RELATED WORK A. Materials testing and inspection during construction: Section 01 45 29, TESTING LABORATORY SERVICES. B. Concrete, including materials, reinforcing steel, and mixes: Section 03 30 00, CAST-IN-PLACE CONCRETE. C. Timber:
3、Section 06 10 00, ROUGH CARPENTRY. D. Steel: Section 05 12 00, STRUCTURAL STEEL FRAMING. E. Subsurface investigation: Section 01 00 00, GENERAL REQUIREMENTS, Article, PHYSICAL DATA. 1.3 CONTRACT BASIS A. Contract price for piles will be based upon length of piles shown. Length of piles will be measu
4、red from tip to point of cutoff. 1. Adjustment of contract price shall be based upon total length of piles placed and not on length of individual piles placed. When total length of completed piles is greater or less than length shown, contract price adjustment will be made in accordance with Article
5、s, DIFFERING SITE CONDITIONS, CHANGES and CHANGES-SUPPLEMENT of the GENERAL CONDITIONS as applicable. 2. No payment will be made for withdrawn, broken or rejected piles, piles out of tolerance, or for portion of pile remaining above cutoff point. 3. Contract price and time will be adjusted in accord
6、ance with Articles, DIFFERING SITE CONDITIONS, CHANGES and CHANGES-SUPPLEMENT of the GENERAL CONDITIONS as applicable, when artificial materials that are not shown are encountered. 1.4 TOLERANCES Install piling with a maximum variation of 75 mm (3 inches) of center of any pile from location shown. P
7、iles shall not be out of plumb more than 2 percent. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-10-06M 31 62 00 - 2 1.5 QUALITY ASSURANCE A. Installer Qualifications: A firm experienced in installing piles similar in material, design, and extent
8、indicated for this Project, whose work has resulted in a history of successful in-service performance: 1. Installers responsibility includes providing a qualified professional engineer to prepare pile-driving records. B. Testing Agency Qualifications: An independent testing agency qualified accordin
9、g to ASTM C1077 and ASTM E329 for testing indicated, as documented according to ASTM E548 shall be engaged by the Contractor and approved by the Resident Engineer. C. Welding Standards: Qualify welding procedures and personnel according to AWS D1.1. D. Pre-installation Conference: Contractor shall c
10、onduct conference at Project site prior to pile installation. 1.6 DELIVERY, STORAGE, AND HANDLING A. Deliver piles to Project site in such quantities and at such times to ensure continuity of installation. Handle and store piles at Project site to prevent physical damage: 1. Protect pile coatings an
11、d touch up damage to coatings before driving piles. 1.7 PROJECT CONDITIONS A. Protect structures, underground utilities, and other construction from damage caused by pile driving. B. Site Information: Contractor is responsible for evaluating and implementing the information provided in the geotechni
12、cal report prepared for the Project. 1.8 DESIGN MODIFICATIONS A. Where piles are installed exceeding specified tolerances for plumb or location, the foundation design will be analyzed by the Resident Engineer and if necessary redesigned by the Resident Engineer. The costs for analysis, redesign, and
13、 remediation shall be responsibility of Contractor. B. Additional piles and pile cap modifications necessitated by redesign shall be furnished and installed, at no additional cost to the Government. 1.9 SUBMITTALS A. Submit in accordance with Section 01 33 23, SHOP DRAWINGS, PRODUCT DATA, AND SAMPLE
14、S. B. Product Data: For each type of pile product, accessory, and paint indicated. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-10-06M 31 62 00 - 3 C. Shop Drawings: Show fabrication and installation details for piles, including driving points, sp
15、lices, field-cut holes, and pile caps. 1. Indicate welds by standard AWS symbols, distinguishing between shop and field welds, and show size, length, and type of each weld. 2. Include arrangement of static pile reaction frame, test and anchor piles, equipment, and instrumentation. Submit structural
16、analysis data signed and sealed by the qualified professional engineer responsible for their preparation. 3. Include design mixes, qualification data, material test reports, material certifications, pile driving equipment information. D. Reports: Wave equation analysis report, driving of each pile,
17、pile location plumbness, welding, and static pile test reports. E. Hammer: Include type, make, maximum rated energy, and rated energy per blow of hammer; weight of striking part of hammer; weight of drive cap; details, type, and structural properties of hammer cushion; and details of follower and je
18、tting equipment. F. Certificates: Preservative treatment of timber piles. For each type of preservative-treated timber product include certification by treating plant stating type of preservative solution and pressure process used, net amount of preservative retained, and compliance with applicable
19、standards. For waterborne-treated products include statement that moisture content of treated materials was reduced to levels indicated before shipment to Project site. G. Warranty of chemical treatment manufacturer for each type of treatment. H. Welding certificates. I. Design Mixes: For each concr
20、ete mix. Include revised mix proportions when characteristics of materials, Project conditions, weather, test results, or other circumstances warrant adjustments. J. Steel Reinforcement Shop Drawings: Comply with ACI 315. Furnish shop drawings prepared by a Professional Engineer licensed in the Stat
21、e of the project. 1.10 APPLICABLE PUBLICATIONS A. Publications listed below form a part of this specification to extent referenced. Publications are referenced in text by the basic designation only. B. American Society for Testing and Materials (ASTM): A27/A27M-05 Standard Specification for Steel Ca
22、stings, Carbon, for General Application Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-10-06M 31 62 00 - 4 A36/A36M-05 Standard Specification for Carbon Structural Steel A82/A82M-05a. Standard Specification for Steel Wire, Plain, for Concrete Reinfo
23、rcement A148/A148M-05 Standard Specification for Steel Castings, High Strength, for Structural Purposes A252-98(2002) Standard Specification for Welded And Seamless Steel Pipe Piles A416/A416M-06 Standard Specification for Steel Strand, Uncoated Seven-Wire for Prestressed Concrete A496/A496M-05 Stan
24、dard Specification for Steel Wire, Deformed, for Concrete Reinforcement A572/A572M-06 Standard Specification for High-Strength Low-Alloy Columbium-Vanadium Structural Steel A588/A588M-05 Standard Specification for High-Strength Low-Alloy Structural Steel with 345 Mpa (50 ksi) Minimum Yield Point to
25、100 mm (4 in) Thick A615/A615M-06 Deformed and Plain Carbon-Steel Bars for Concrete Reinforcement A690/A690M-05 Standard Specification for High-Strength Low-Alloy Nickel, Copper, Phosphorus Steel H-Piles and Sheet Piling with Atmospheric Corrosion Resistance for Use in Marine Environments A706/A706M
26、-06a. Standard Specification for Low-Alloy Steel Deformed and Plain Bars for Concrete Reinforcement A767/A767M-05 Standard Specification for Zinc-Coated (Galvanized) Steel Bars for Concrete Reinforcement A775/A775M-06 Standard Specification for Epoxy-Coated Steel Reinforcing Bars A884/A884M-04 Stand
27、ard Specification for Epoxy-Coated Steel Wire and Welded Wire Reinforcement A934/A934M-04 Standard Specification for Epoxy-Coated Prefabricated Steel Reinforcing Bars C33-03. Standard Specification for Concrete Aggregates C1077-06. Standard Practice for Laboratories Testing Concrete and Concrete Agg
28、regates for Use in Construction and Criteria for Laboratory Evaluation D25-99(2005). Standard Specification for Round Timber Piles Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-10-06M 31 62 00 - 5 D1143-81(1994)e1. Standard Test Method for Piles Un
29、der Static Axial Compressive Load D3689-90(1995). Standard Test Method for Individual Piles Under Static Axial Tensile Load D3966-90(1995). Standard Test Method for Piles Under Lateral Loads D4945-00. Standard Test Method for High-Strain Dynamic Testing of Piles E94-04. Standard Guide for Radiograph
30、ic Examination E164-03 Standard Practice for Ultrasonic Contact Examination of Weldments E165-02 Standard Test Method for Liquid Penetrant Examination E329-05be1. Standard Specification for Agencies Engaged in Construction Inspection and/or Testing E548-94e1 Standard Guide for General Criteria Used
31、for Evaluating Laboratory Competence E709-01 Standard Guide for Magnetic Particle Examination C. American Welding Society (AWS): D1.1/D1.1M-2006 Structural Welding Code - Steel D. Prestressed Concrete Institute (PCI): MNL-116-99. Manual for Quality Controls for Plants and Production of Structural Pr
32、ecast Concrete Products MNL-120-04. PCI Design Manual E. American Wood-Preservers Association (AWPA): C1-03 All Timber Products - Preservative Treatment by Pressure Processes C3-03 Piles - Preservative Treatment by Pressure Processes M4-06 Standard for the Care of Preservative Treated Wood Products
33、F. American Concrete Institute (ACI): 315-99. Manual of Standard Practice for Detailing Reinforced Concrete Structures G. Society for Protective Coatings (SSPC): Paint 16-82(2004) Coal Tar Epoxy-Polyamide Black (or Dark Red) Paint Provided by IHSNot for ResaleNo reproduction or networking permitted
34、without license from IHS-,-,-10-06M 31 62 00 - 6 PART 2 - PRODUCTS 2.1 PILES A. General: Piles shall be / friction / end-bearing / piles of _ ton capacity. Piles shall be / timber / steel H / steel pipe / cast-in-place concrete / or / prestressed concrete / piles. Submit details of type proposed for
35、 installation, showing cross-sections, end closures, and details of connections for approval by Resident Engineer before delivery of any material to project site. B. Timber Piles: Timber piles shall be in one piece with an approximate uniform taper from butt to tip and shall conform to all requireme
36、nts of ASTM D25. Timber piles shall be unused, clean, and peeled round timber piles treated in accordance with AWPA C1 and C3. Piles shall be fresh-headed and shaped to fit driving head. 1. Timber pile shoes shall be size and type most suitable for driving condition. Saw off tops of timber piles in
37、a horizontal plane. Cutoffs and damaged pile surfaces shall be treated as specified in AWPA M4. 2. Strapping: 32 mm (1.25 inch) wide, 0.78 mm (0.031 inch) thick, cold rolled, heat-treated steel; painted and waxed. 3. Spud piles or bored holes may be used to penetrate highly resistant strata laying n
38、ear surface. 4. Contractor shall submit a signed certificate stating that preservative treatment of timber piles delivered to site complies with structural and environmental requirements. Certificate shall contain name and address of contractor, project locations, quantity of piles and date or dates
39、 of shipments, name of preservative used and retention in pounds per cubic foot of wood treated. C. Steel H Piles: SPEC WRITER NOTE: Adjust the steel type per the project requirements. 1. Carbon Steel: ASTM A36/A36M. Grade _. 2. High-Strength, Low-Alloy, Columbium-Vanadium Steel: ASTM A572/A572M. 3.
40、 High-Strength, Low-Alloy, H-Pile Steel: ASTM A690/A690M. 4. High-Strength, Low-Alloy, Structural Steel: ASTM A588/A588M. 5. Driving Points: Manufacturers standard one-piece driving point, fabricated from steel castings as follows to provide full bearing of web and flange of pile tip. Cast driving p
41、oint with integral tapered cutting wedges and with top alignment curbs to encase web and flanges of pile: Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-10-06M 31 62 00 - 7 a. Carbon-Steel Castings: ASTM A27/A27M. b. High-Strength Steel Castings: AS
42、TM A148/A148M. 6. Splice Unit: Manufacturers standard splice unit, fabricated from two connected steel plates, of same material as H pile, shaped and tapered to encase web and part of each flange. 7. Paint: SSPC-Paint 16; self-priming, two-component, coal-tar epoxy polyamide, / black / / red / / man
43、ufacturers standard color /. 8. Piles may be driven in single length or may be field spliced. No splices will be permitted in piles less than 7500 mm (25 feet) in length and not more than one splice will be permitted in any pile under 12 000 mm (40 feet) long. Splices shall maintain alignment and po
44、sition of pile sections and develop full strength of pile in bearing and not less than 50 percent of pile in bending. Splices shall be butt-welded at flanges and web. Piles shall be driven so that the driving stress does not exceed 0.9 the minimum yield stress. D. Steel Pipe Piles: SPEC WRITER NOTE:
45、 Adjust the steel type and concrete strength per the project requirements. 1. Pipe Steel: ASTM A252, seamless or welded. Grade _. 2. Piles may be installed either open-ended or with ends closed. Ends shall be closed with forged or cast steel conical point continuously welded to pipe. Minimum wall th
46、ickness of open-ended pipe shall be 6 mm (0.25 inch) for diameter less than 350 mm (14 inches) and 10 mm (0.375 inch) for diameters greater than 350 mm (14 inches). Minimum wall thickness of concrete filled pipe piles installed with closed ends shall be 2.5 mm (0.10 inch). Minimum outside diameter s
47、hall be 250 mm (10 inches) for open-ended pipe piles and 200 mm (8 inches) for pipe piles installed with closed ends. a. Allowable design unit stresses: 0.33 fc average cross-sectional area of pile. For pipe sections 6 mm (0.25 inch) or more in thickness, 35 percent of minimum specified yield streng
48、th is permitted on full steel area. Minimum specified yield strength shall not be assumed greater than 250 MPa (36,000 psi) for computation purposes. b. Driving: Piles shall be driven to required penetration without distortion, damage or not exceeding a driving stress of 0.9 minimum specified yield
49、strength. Tip reinforcement and steel caps shall be Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-10-06M 31 62 00 - 8 provided as required. Establish and maintain axial alignment of leads and pile before and during driving. 1) Piles may be driven in single length or may be spliced with continuous butt weld. In
