Wednesday, October 30, 2013

Section 01334 WIND DESIGN DATA

Section 01334

WIND DESIGN DATA


PART 1 - GENERAL

1.1 SUMMARY


A. This section includes wind design criteria for the following:

1. Wind design and anchorage of pre-engineered metal structures and canopies.

2. Wind design and anchorage of exposed mechanical and electrical equipment and items.

3. Wind design of other structure or items as specified or indicated on the Drawings.

1.1 REFERENCE SPECIFICATIONS, CODES, AND STANDARDS

A. All Work specified herein shall conform to or exceed the applicable requirements of the referenced portions of the following publications to the extent that the provisions thereof are not in conflict with other provisions of these Specifications.

B. Comply with the applicable editions of the following codes, regulations and standards.

1. California Code of Regulations: Title 24, Part 2, Volume 2, 2007, California
Building Code (CBC).

2. California Building Code (CBC) 2010 Edition with references to ASCE 7 – 05, as indicated in the CBC.

1.2 SYSTEM DESCRIPTION

A. Wind Design Requirements: Wind design shall be in accordance with the requirements of the CBC, except when OCSD wind design standards are more stringent than CBC.

1. CBC Occupancy Category: III

2. CBC Wind Exposure Category: Exposure C

3. CBC Basic Wind Speed: 85 miles per hour.

4. Wind Importance Factor (Iw):

a. All systems: Iw = 1.15

5. Use anchor bolts, bolts, or welded studs for anchors for resisting wind forces. Anchor bolts used to resist wind forces shall have a standard hex bolt head. Do not use anchor bolts fabricated from rod stock with an L or J shape.

a. Do not use concrete anchors, flush shells, chemical anchors, powder actuated fasteners, or other types of anchor unless indicated on the Drawings or accepted in writing by the ENGINEER.

b. Wind forces must be resisted by direct bearing shear and tension on the anchors used to resist wind forces. Do not use connections which use friction to resist wind forces.

1.3 SUBMITTALS

A. Shop Drawings and Documentation: Submit complete shop drawings and documentation for equipment, fabrications and construction subjected to wind loads, including anchorage criteria.
B. Calculations: Calculations for equipment, fabrications, construction, and anchorages subject to wind loads shall be prepared, signed, and sealed by a civil or structural Professional Engineer licensed to practice in the State of California. These wind calculations shall not be submitted unless specifically requested by the ENGINEER or the Building Code Official.

C. Foundation and Support Load Summaries: All foundation and support load summaries for equipment, fabrications, and construction subjected to wind loading and supported on structures designed by others shall include the wind load reactions applicable to foundations and supporting structures.

D. Design Certification: Two (2) copies or written certification, prepared and signed by a Registered Professional Engineer licensed to practice in the State of California, shall be submitted by the building, equipment, or item supplier attesting that their tankage, mechanical and electrical equipment, pre-engineered metal structures and canopies, and their anchorage systems have been designed to meet the specified wind requirements of the CBC and these Contract Documents.


PART 2 - PRODUCTS (NOT USED) 
PART 3 - EXECUTION (NOT USED)

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