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31 60 00 (02450) - SPECIAL FOUNDATIONS AND LOAD-BEARING ELEMENTS

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31 60 00 (02450) - SPECIAL FOUNDATIONS AND LOAD-BEARING ELEMENTS

SECTION 31 60 00 (02450) - SPECIAL FOUNDATIONS AND LOAD-BEARING ELEMENTS

    INTRODUCTION AND PURPOSE FOR CFRST PROJECTS

    This Master Specification Document, as an Instrument of Service, is provided in confidence, for use in preparing final construction specifications for a Marriott CFRST Project. As such, this Master Specification Document shall remain the property of Marriott International, Inc. The use of this document for other projects (other than the Project specifically contracted for) is strictly prohibited without written authorization from Marriott International Design and Construction Services, Inc.

    The content and information in this Master Specification is provided for format, and informational purposes only, and shall be replaced, modified, and edited as required to represent the actual project that the Architect, Engineer or Design Professional has been contracted to produce. Selected notes, tables, indexes information and technical data, etc. must be reviewed and modified to meet the specific

    requirement of the Project.

    This specification is not project nor code-specific. It is the responsibility of the contracted Architect,

    Engineer or Design Professional to produce Contract Documents in conformance with the approved Scope of Work and in full compliance with all applicable current local, state and national codes, ordinances, laws, rules and requirements of applicable regulatory agencies.

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    ? SECTION 31 60 00 (02450) - SPECIAL FOUNDATIONS AND LOAD-BEARING ELEMENTS ?

    ? PAGE 1 ? FILE: 320290192.doc REVISED: 09/28/07

    ; 2007, Marriott International, Inc. CFRST SPECMSTR-NEW BUILD

    SECTION 31 60 00 (02450) - SPECIAL FOUNDATIONS AND LOAD-BEARING

    ELEMENTS

    Note: Entire Section to be reviewed and coordinated with existing site conditions. Coordinate with

    Geotechnical Data and engineer of record for Project.

    PART 1 GENERAL

    1.01 SUMMARY

    A. Section Includes:

    1. Bored Piles:

    a. Drilled Concrete Piers and Shafts

    B. Related Sections:

    1. Section 00 31 32 (00320) - Geotechnical Data

    2. Section 01 45 00 (01450) - Quality Control: Procedures for Testing and Inspection.

    3. Section 03 30 00 (03300) - Cast-in-Place Concrete: Concrete and concrete reinforcement. 1.02 REFERENCES

    A. American Society for Testing and Materials (ASTM):

    1. ASTM A252 - Welded and Seamless Steel Pipe Piles.

    1.03 DESIGN REQUIREMENTS

    A. Load Carrying Capacities: Indicated on Structural Drawings.

    1.04 SUBMITTALS

    A. Section 01 33 00 (01330) - Submittals: Procedures for submittals.

    1. Submit “Letter of Conformance” in accordance with Section 01 33 00 (01330) indicating

    specified items selected for use in project.

    a. Product Data

    b. Reports; Drilled Piers: Submit the following reports:

    1) Concrete materials test reports as proposed for use in concrete mixes.

    2) Preliminary pier report of actual allowable bearing capacity at bottom of each

    shaft, issued as soon as possible after testing each excavation.

    3) Certified pier report for each pier, recording actual elevation at bottom and top,

    final centerline location at top, variation of shaft from plumb, result of all tests

    performed, levelness of bottom seepage of water and top of any casing left in

    place, any unusual conditions, corrective measures and construction changes,

    variation of dimensions from excavation, completion of excavation, inspection,

    testing, and placement of concrete, delays in concreting, and location of

    construction joints in shaft, and any other data as may be required. 1.05 QUALITY ASSURANCE

    A. Installer Qualifications: Company specializing in performing Work of this Section with minimum

    10 years documented experience.

    ? SECTION 31 60 00 (02450) - SPECIAL FOUNDATIONS AND LOAD-BEARING ELEMENTS ?

    ? PAGE 2 ? REVISED: 09/28/07 FILE: 320290192.doc

    CFRST SPECMSTR-NEW BUILD ; 2007, Marriott International, Inc.

B. Pre-lnstallation Meeting:

    1. Convene a pre-installation meeting at site, one week prior to commencing Work . Require

    attendance of parties directly affecting Work of this Section, including, but not limited to,

    [Architect, ]Owner’s Representative, Contractor, Pier Installer, Testing Laboratory

    Representative, and Owner's Geotechnical Consultant.

    2. Contact [Architect] [Owner’s Representative] two weeks prior to pre-installation meeting

    to confirm schedule.

    3. Review preparation and installation procedures and coordinate scheduling required with

    related Work.

    4. Record discussions of conference and decisions and agreements (or disagreements)

    reached, and furnish copy of record to each party attending. Review foreseeable

    methods and procedures related to pier Work, including:

    a. Tour, inspect and discuss condition of soil substrate, pier locations and other

    preparatory work performed by other trades.

    b. Review structural loading requirements.

    c. Review pier system requirements (drawings, specifications and other contract

    documents.

    d. Review pier drilling methods and equipment.

    e. Review and finalize construction schedule related to pier work and verify availability

    of materials, installer's personnel, equipment and facilities needed to make progress

    and avoid delays.

    f. Review required inspections, testing and certifying procedures.

    g. Review weather and forecasted weather conditions, and procedures for coping with

    unfavorable conditions.

    PART 2 PRODUCTS

    2.01 MATERIALS

    A. Casing: ASTM A 252, Grade 1, Grade 2, and Grade 3 single length steel pipe.

    1. Wall: Plain,1/4 inch minimum thickness

    2. 2. Ends: Plain.

    3. 3 Diameter: Outside diameter not less than indicated shaft sizes. B. Concrete: Specified in Section 03 30 00 (03300) using Type I or 11 cement, 3/4 inch

    aggregate size, 3,000 psi 28 day strength, 5-7 inch slump.

    C. Reinforcement: Specified in Section 03 30 00 (03300).

    D. Reinforcing Cage Support and Alignment System

    1. Avendra, LLC Preferred Manufacturers:

    a. None

    2. Approved Manufacturers:

    a. “Centraligner Pier Sleds and Hijacker Pier Bolsters”; Pieresearch (800-656-0417)

    b. Approved substitution

    ? SECTION 31 60 00 (02450) - SPECIAL FOUNDATIONS AND LOAD-BEARING ELEMENTS ?

    ? PAGE 3 ? FILE: 320290192.doc REVISED: 09/28/07

    ; 2007, Marriott International, Inc. CFRST SPECMSTR-NEW BUILD

    3. Products:

    Note: Edit examples in paragraph below to suit Project Requirements.

    a. Pier Bolster: Unit consisting of a fabricated concrete support with minimum

    compressive strength of 8,500 psi with integral tie wires.

    1) Nominal 4-inch diameter, nominal 3-inch high with two 9 gauge wires for

    attachment to bottom of reinforcing cage to support bottom of cage free of earth.

    2) Use minimum two bolsters cage spaced to support steel free of earth

    Note: Edit examples in paragraph below to suit Project Requirements.

    b. Centering Device: Patented unit consisting of fabricated concrete support with

    minimum compressive strength of 8,500 psi with integral tie wires.

    1) Nominal 8 x 3 x 1 -1/4 inch with eight 16 gauge wires for attachments to vertical

    and horizontal reinforcing bars of cage to align cage in shaft free of earth.

    2) Provide minimum sleds per cage in accordance with the following table spaced

    uniformly to properly align cage in shaft.