App A - mezzanine.doc

APPENDIX A

FOR A

MEZZANINE

AT

TRAVIS AIR FORCE BASE, CA

BUILDING 861

CSN: BTR7B8

DATE: 18 March 2008 REVISION 1: 3 June 2008

PREPARED BY:

Donna L. Hartman

PROJECT ENGINEER

403 SCMS/GUEC

Daniel L. Bingman

REVIEWER

403 SCMS/GUEC

autonumlgl SCOPE autonumlgl General scope This appendix establishes the minimum performance, design, fabrication, installation, and test requirements for a mezzanine in the C-17 Aircraft Parts Store, Bldg. 861, at Travis Air Force Base (AFB), CA. The work shall be completed in accordance with this appendix, the Cover Purchase Description (PD), and Air Force (AF) Drawings BTR7B8-01. This appendix covers all equipment, materials, and labor necessary to complete installation of the system.

autonumlgl Definitions

Beams - Structural steel supporting member which connect the columns.

Bridging - Steel channels used to provide lateral stability and prevent joists from twisting.

Column - Structural steel that supports beams and joist.

Framing - Consists of beams, joists, and bridging.

Joists - Structural steel member supporting the decking.

autonumlgl APPLICABLE DOCUMENTS Applicable documents shall be in accordance with Section 2 of the Cover PD and the following:

AMERICAN SOCIETY FOR TESTING AND MATERIALS (ASTM)

Steel

(Applications for copies should be addressed to the American Society for Testing and Materials, 1916 Race Street, Philadelphia PA 19103)

US PRODUCT STANDARDS

(Applications for copies should be addressed to the American Plywood Association, PO Box 11700, Tacoma WA 98411-0700).

NATIONAL FIRE PROTECTION ASSOCIATION (NFPA)

Applications for copies shall be addressed to the National Fire Protection Association, One Batterymarch Park, P. O. Box 9101, Quincy MA 02269-9101) autonumlgl REQUIREMENTS autonumlgl System Description The mezzanine shall be located according to AF Drawing BTR7B8-01. The mezzanine shall be used to store small, medium and bulk items. The mezzanine system shall consist of the following components:

a. Freestanding, structural steel mezzanine with columns, beams, joists, decking, and bridging.

b. Stairs, platforms, handrails, midrails, and kickplates.

c. Lighting.

d. Fire suppression system.

e. Pallet gates.

f. Vertical reciprocating conveyor.

g. Conduit, wiring, mechanical fasteners, and all other items required to install a functional mezzanine system.

autonumlgl Characteristics autonumlgl Performance and Physical characteristics autonumlgl Load capacity |R1 All components of the mezzanine shall be designed to support a minimum capacity of 200 150 pounds per square foot. The mezzanine shall be capable of sustaining the point loads of the fully loaded shelving specified in appendices C and D without permanent deflection or deformation.

autonumlgl Freestanding structure The mezzanine shall not be attached to any existing building wall or column and shall not require cross bracing between columns.

autonumlgl PRE-ENGINEERED

All components of the mezzanine shall be pre-engineered so that on-site welding is eliminated.

autonumlgl Deflection under load No component of the mezzanine shall exhibit deflections greater than the length of the component divided by 360 (L/360) under uniformly loaded conditions.

autonumlgl Dimension and clear height The mezzanine shall be a nominal 152-feet long X 54-feet wide. The mezzanine shall have a nominal clear height of 10 feet underneath all components of the mezzanine. The top of the decking shall be a maximum of 12-feet above the existing floor.

autonumlgl Seismic The mezzanine shall be designed to withstand forces for a seismic zone 4.

autonumlgl Columns |R1 Columns shall be cold formed, structural steel tubing and shall meet or exceed the requirements of ASTM A500, Grade B, FY-46KSI. Columns shall be spaced on approximately 18 foot X 18 foot centers as shown on AF Drawing BTR7B8-01. The columns shall be pre-punched at the top to provide a secure connection to beams and joists. Columns shall be moved as close to conveyor as possible to allow carts to pass. This may change the columns spacing. Design of column spacing should allow minimum number of columns in the conveyor work area. Columns shall be a minimum of 5 inches X 5 inches X 3/16 inch thick. The floor is a 7-inch concrete slab on grade.

autonumlgl Base plates Base plates shall be used under each column to distribute the load. The base plates shall be factory welded to the columns and prepunched to provide a secure connection to the floor. The base plates shall be anchored in accordance with the manufacturers recommended procedure. The base plates shall meet or exceed the requirements of ASTM A36 and shall be a minimum of 10 inches X 10 inches X 5/8 inch. Base plate grout shall be used as required.

autonumlgl Framing Hot rolled structural steel members shall meet or exceed the requirements of ASTM A570. Cold-formed structural steel members shall meet or exceed the requirements of ASTM A500 or ASTM A611. Framing shall consist of beams, joists and bridging as defined in 1.2. The framing shall be designed to support the full rated load and the decking.

autonumlgl Beams All beams shall be structural steel and shall be prepunched for secure connection to the columns and joists with A325 bolts.

autonumlgl Joists All joists shall be structural steel and shall be prepunched for secure connection to the beams with A325 bolts.

autonumlgl Bridging Structural steel bridging channels shall be minimum 18-gauge steel.

autonumlgl Decking

The decking shall consist of a metal roof deck and a composite flooring with a minimum density of 45 pounds per cubic foot. The decking shall sustain the load specified in 3.2.1.1.

autonumlgl Metal roof deck

The metal roof deck shall be galvanized or painted on both sides and consist of minimum 20-gauge, type-B roof deck meeting the requirements of ASTM A611, Grade C, or minimum 18 gauge, type-B roof deck meeting the requirements of ASTM A446, Grade A. If the roof deck is painted, the bottom of the roof deck shall be painted white and the top shall be painted the manufacturer's standard color. The roof deck shall be securely fastened to the framing with plated, self-tapping, steel screws or equivalent as approved by the Contracting Officer’s Technical Representative (COTR).

autonumlgl CompositE flooring

The composite flooring shall be resindek or equivalent. Resindek flooring is a special blend of phenolic resin, wax emulsion, and wood fibers combined under heat and pressure. The flooring shall be minimum 3/4-inch thick. The flooring shall have an exterior sealant. The sealant shall be Acryseal or equivalent. A sealant color chart shall be provided with the shop drawings for selection by the COTR. The flooring sheets shall be tongue and groove on long sides forming an integral surface. The flooring sheets shall be securely fastened to the framing with resindek type drill screws or equivalent. All exposed sides of the composite flooring shall be covered.

autonumlgl Stairway systems Stairway systems shall be provided at the locations shown on AF Drawing BTR7B8-01. Stairway systems shall include stairs, structural steel stringers, railing, platforms, and all necessary hardware to install the stairways. Stairways shall be 36-inches wide S Stairways shall be designed and constructed in accordance with OSHA 1910.24. Intermediate platforms shall be utilized as required to ensure that the angle of incline does not exceed 25 degrees. Stairway systems shall be painted safety yellow.

autonumlgl Stair treads Stairs shall be open tread type with bar grating or closed tread with diamond plate.

autonumlgl Stringers Stringers shall meet or exceed the requirements of ASTM A36.

autonumlgl Railing Railing shall be provided on the open sides of all exposed stairways and platforms. Rails shall be designed and constructed in accordance with OSHA 1910.23 and shall be of either the 2-rail or 3-rail type. The top rail surface shall be between 30-34 inches above the stair tread surface. Railing shall be minimum 1-1/4 inch, schedule 40 steel tubing. Rail sections shall be joined together with either galvanized fittings or a pre-engineered union. Railing for the stairway shall be bolt connected or factory welded to the stringer such that it is capable of withstanding a load of at least 200 pounds applied in any direction at any point on the top rail.

autonumlgl Platforms Platforms shall be the same width as the stairway and minimum 40-inches in length (measured in the direction of travel). Platforms shall be even and level with the mezzanine floor.

autonumlgl Mezzanine Railing Railing shall be provided on the open sides of all exposed mezzanine floor. Rails shall be designed and constructed in accordance with OSHA 1910.23 and shall be of either the 2-rail or 3-rail type. The top rail surface shall be 42-inches above the mezzanine decking. Railing shall be minimum 1-1/2 inch diameter, schedule 40 steel tubing. Rail sections shall be joined together with either galvanized fittings or a pre-engineered union. Railing for the mezzanine shall be bolt-connected to a structural framing beam such that it is capable of withstanding a load of at least 200 pounds applied in any direction at any point on the top rail. Support posts shall be spaced on a maximum of 8-foot centers.

autonumlgl Kickplate A kickplate shall be provided on all open sides of the mezzanine and platforms. The kickplate shall be a minimum 4-inches high with no more than 1/4-inch clearance between the floor and the bottom of the kickplate. The kickplate shall be minimum 14-gauge steel and shall be securely fastened to the mezzanine or railings.

autonumlgl Pallet gateS.

Pallet gates shall be provided at the locations shown on AF Drawing BTR7B8-01. The gates shall be used to load/unload material from the mezzanine using a standard forklift. The pallet gates shall be constructed of steel tubing matching the railing and shall provide a minimum opening of both 60 and 120 inches. The pallet gate shall be the sliding type with the 120 –inch gate utilizing 2 five-foot sections.

autonumlgl Vertical reciprocating conveyor

The mezzanine shall interface with the vertical-reciprocating conveyor specified in Appendix B.

autonumlgl Fire suppression system.

The Contractor shall design and install a wet-pipe fire suppression system under the mezzanine in accordance with NFPA 13-89 and applicable fire codes at Travis AFB, CA. All appendices of NFPA 13 will be considered to be a part of the main body of the standard; all "shoulds" will be considered "shalls" in this project. Sprinkler size, spacing and location shall be in accordance with NFPA 13-07, Chapter 4 and designed for non-encapsulated Class IV commodity as defined in NFPA 13-07, Section 1-7. The Contractor shall coordinate connection of the sprinkler system with the Fire Chief at Travis Air Force Base, CA. (707-424-3886). Sprinkler heads and piping shall be located so not to be susceptible to damage or interfere with normal operations under the mezzanine. The clear height specified in 3.2.1.5 shall be maintained. The Contractor shall connect the fire suppression system to the existing system piping at the most economical point permitted by NFPA 13 criteria and approved by the COTR. All pipe shall be painted red or stickers added as approved by Travis AFB Fire Department.

The available water supply at the base of the riser is:

Static Pressure: 53 psi

Residual Pressure: 51 psi at 1500 gallons per minute (gpm) flow.

The fire suppression design and hydraulic calculations shall be sealed by a qualified registered Professional Engineer or a R.M.E. (NICET Level IV) technician.

autonumlgl Electrical characteristics autonumlgl Lighting

The Contractor shall provide fluorescent lighting underneath the mezzanine with a minimum illuminance level of 50 foot-candles measured at 30 inches above the floor. Lighting shall be supported by the mezzanine.

autonumlgl Fixtures

Lighting fixture boxes shall not be smaller than 4 inches (octagonal), except where required by fixture configuration and approved by the COTR. Fixtures shall provide rapid start lighting. Fixtures shall not be suspended. T-8 fluorescent light fixtures and lights shall be utilized. Fluorescent lighting using 4-foot tubes shall be utilized to light the mezzanine area. Lenses shall be provided for all lights.

autonumlgl MOTION Sensor On/Off Lighting shall come on via motion sensors. Lighting shall stay on for 5 minutes without any motion detection.

autonumlgl Safety features autonumlgl Capacity markings Live load capacity metal signs shall be displayed on all sides of the mezzanine.

autonumlgl No-Step markings Signs shall be posted on the railings indicating that the rails are not steps. Signs shall be posted on a maximum of 20-foot centers.

autonumlgl Safety factor All vertical members of the mezzanine shall have a minimum safety factor of 1.92 to 1 and all horizontal members shall have a minimum safety factor of 1.67 to 1.

autonumlgl QUALITY CONFORMANCE autonumlgl Inspections

The system shall be inspected to verify that it meets all the requirements of sections 1, 2, and 3 of this appendix and the Cover Purchase Description. These inspections shall be completed as part of the system checkout test and again as a part of the quality conformance test.

autonumlgl Test

The following test shall be performed on the system as part of the system checkout test and again as a part of the quality conformance test.

(M1 - M2) / (Span of joist in inches) = Deflection

If the deflection is greater than (Span of joist in inches)/360 or any permanent deformation has occurred, the mezzanine shall fail the test.

autonumlgl Certifications

The Contractor shall provide certification that the following requirements have been met. All certifications shall be provided in accordance with the Contract Data Requirements List.

MEZZANINE SYSTEM

Offeror:

-R-

Appendix A, Mezzanine, 18 March 2008

The Offeror shall complete this questionnaire. All entries to this questionnaire shall be typed. The questionnaire will be used to determine the Offeror's understanding of the requirements and acceptability of the proposed equipment. Please attach product literature/cut sheets for all equipment detailed in this questionnaire and attach any exceptions to the Purchase Description Appendix or recommendations/design alternatives as detailed below.

Mezzanine Manufacturer: ________________________________________

Model Number: __________________________________________________

Are all components pre-engineered so that on site welding is eliminated?

The height of the decking surface above the finished floor is ____ feet.

What are the dimensions of the mezzanine? ______ feet long X ______ feet wide.

The dimensions of the columns are ______ inches X ______ inches.

Are the columns structural steel tubing?

Will A325 bolts be used for connection?

What is the brand name of the decking? ___________ __________________________________________________

What is the width of the stairs? ______ inches

Are rail sections joined with galvanized fittings or are they a pre-engineered union? ______________

What is the length of the platform? _____ inches

Are the railings in accordance with OSHA 1910.23?

Horizontal members have a minimum safety factor of______ to ___.

EXCEPTIONS/RECOMMENDATIONS/DESIGN ALTERNATIVES

Attach any exceptions taken to the Purchase Description Appendix. Please outline those concerns in detail. Your exceptions will be reviewed to determine acceptability.

Are exceptions taken?

Number of pages attached: ____________________________________

Attach any recommendations or design alternatives you feel may enhance operation, maintainability, or reduce system cost. Your recommendations and design alternatives will be reviewed to determine acceptability.

Are recommendations/design alternatives attached?

Number of pages attached: ____________________________________

We have read the requirements of the Purchase Description Appendix and will comply with all paragraphs as written, with exceptions taken only to those items indicated on the attached exception sheet.

Offeror's Signature Date

TYPED NAME:

COMPANY NAME:

ADDRESS:

PHONE:

FAX: