APP A - Mezzanine PD.docx

TECHNICAL PROPOSAL QUESTIONNAIRE

FOR

Offeror: _ Solicitation No. F33600- -R- _

Offeror:

-R-

APPENDIX A

FOR

TWO MEZZANINES

AT

FAIRCHILD AIR FORCE BASE, WA

BUILDING 1414

CSN: AFR2J4

DATE: 28 JUNE 2012

PREPARED BY:

SHANE LEGGE

PROJECT ENGINEER

403 SCMS/GUEC

DONNA HARTMAN

REVIEWER

403 SCMS/GUEC

Table of Contents

Fairchild AFB App A - Page i

SCOPE

General scope This appendix establishes the minimum performance, design, fabrication, installation, and test requirements for two mezzanines for the 336 TRG, Bldg. 1414, at Faichild Air Force Base (AFB), WA. The work shall be completed in accordance with this appendix, the Cover Purchase Description (PD), and Air Force (AF) Drawings AFR2J4-01, AFR2J4-02 and AFR2J4-03. This appendix covers all equipment, materials, and labor necessary to complete installation of the system.

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.

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)

REQUIREMENTS

System Description The mezzanines shall be located as shown on AF Drawing AFR2J4-01. The mezzanine shall be used to store medium and bulk items. The mezzanine systems 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.

b. Lighting.

c. Pallet gates

d. Security Fence (Type “B” only)

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

Characteristics Performance and Physical characteristics Load capacity All components of the mezzanines shall be designed to support a minimum capacity of 150 pounds per square foot. The mezzanines shall be capable of sustaining the capacity without permanent deflection or deformation.

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

PRE-ENGINEERED

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

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

Dimension and clear height The mezzanines shall have the nominal dimensions and nominal clear heights underneath all components as stated in Table 1. The top of the decking shall have the maximum heights above the existing floor as stated in Table 1.

Table 1. Mezzanine Details

Seismic The system shall be designed to withstand seismic conditions in accordance with IBC Section 1613. Certified engineer load calculations are required for the mezzanines.

Columns 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 accordingly as shown on AF Drawings AFR2J4-02 and AFR2J4-03. The columns shall be pre-punched at the top to provide a secure connection to beams and joists. Columns shall be a minimum of 5 inches X 5 inches X 3/16 inch thick.

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.

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.

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

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

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

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.

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).

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.

Stairway systems Stairway systems shall be provided at the locations shown on AF Drawings AFR2J4-02 and AFR2J4-03. The stairway systems shall include stairs, structural steel stringers, railing, platforms, and all necessary hardware to install the stairway. The stairways shall be 40 inches wide, with 36-inch treads. The stairways shall be designed and constructed in accordance with IBC. The stairway systems shall be painted safety yellow.

Stair treads Stairs shall be closed tread with diamond plate.

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

Railing Railing shall be provided on the open sides of all exposed stairways and platforms. Rails shall be designed and constructed in accordance with IBC 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. Railing shall be painted safety yellow.

fixed ladders One steel fixed ladder shall be provided for each mezzanine at the locations shown on AF Drawings AFR2J4-02 and AFR2J4-03. All components of the fixed ladders shall be in compliance with IBC as well as the following requirements. Fixed ladders shall have walk-through handrails and safety cages. The walk-through handrails shall have a safety chain attached, which prevents accidental exit from the top-landing surface.

Platforms Platforms, if used, shall be the same width as the stairways and minimum 40 inches in length (measured in the direction of travel). Platforms shall be even and level with the mezzanine floor.

Mezzanine Railing Railing shall be provided on the open sides of all exposed mezzanine floor. Rails shall be designed and constructed in accordance with IBC 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, round or square 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. Railing shall be painted safety yellow.

Kickplate A kickplate shall be provided on all open sides of the mezzanines 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.

Pallet gate Pallet gates shall be provided at the locations shown on AF Drawings AFR2J4-02 and AFR2J4-03. The gates shall be used to load/unload material from the mezzanine using a standard forklift. The pallet gate shall be constructed of steel tubing matching the railing and shall provide a minimum opening of 72 inches. The pallet gates shall be the sliding type.

Chain link fence Chain link fencing shall be installed underneath mezzanine Type “B” as shown on AF Drawing AFR2J4-01 and AFR2J4-05. Fencing shall be minimum 9 feet 6 inches high. Fencing shall be 1 inch by 2 inch by 10 gauge wire mesh welded in and angle iron frame.

swinging gate A swinging gate shall be provided as shown on AF Drawing AFR2J4-05. The swinging gate shall be lockable. A combination padlock shall be provided for all gates. The padlock shall have a set-your-own combination feature along with a convenient back-up-key. Combination shall be able to be changed which the use of a key.When open, the gate shall provide a minimum 4-foot opening, which is a minimum 8 feet high.

Dual swinging gate A dual swinging gate shall be provided as shown on AF Drawing AFR2J4-05. One of the gates shall be able to be locked in place while the other gate is open. Gates shall be lockable. A combination padlock shall be provided for all gates. The padlock shall have a set-your-own combination feature along with a convenient back-up-key. Combination shall be able to be changed which the use of a key.When both gates are open they shall provide a minimum 8-foot opening, which is a minimum 8 feet high.

Electrical characteristics Lighting The Contractor shall provide fluorescent lighting underneath the open areas of mezzanines with a minimum luminance level of 50 foot-candles measured at 30 inches above the floor. Lighting shall be supported by the mezzanine. The Contractor shall run electrical power from the power panel identified on Air Force (AF) Drawing AFR2J4-01.

Fixtures Energy efficient T-8 fluorescent lighting fixtures using 4-foot tubes shall be utilized to light the under mezzanine area. 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. Lenses shall be provided for all lights.

On/Off switch There shall be one on/off switch located on the outside of the security fencing. See AF Drawing AFR2J4-01 for location of switch. The switch shall be located 52 inches +/- 2 inches in height from the floor. Light switches shall be provided with recessed cover plates.

DUPLEX RECEPTACLE OUTLETS

Standard 110 volt AC duplex shall be provided along the chain link fencing beneath the mezzanine as shown on AF Drawing AFR2J4-01. Outlets shall be a nominal 36 inches in height from the floor.

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

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.

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.

QUALITY CONFORMANCE

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.

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.

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.

2.

3.2.3.3.

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.

MEZZANINE SYSTEM

Offeror:

-R-

Appendix A, Mezzanine, TBD

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.

Mezzanines Manufacturer: _______________________________________

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

The height of the decking surface above the finished floor for mezzanine Type “A” is ____ feet.

Type “A” nominal dimensions: ____ ft W x ____ ft L

The clear height underneath mezzanine Type “B” is ______feet.

The height of the decking surface above the finished floor for mezzanine Type “B” is ____ feet.

Type “A” nominal dimensions: ____ ft W x ____ ft L

3.2.1.5.

Will mezzanines be designed to withstand seismic conditions in accordance with IBC Section 1613?

The columns for mezzanine Type “B” are on ______ foot centers.

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

3.2.1.3.3.

and 3.2.1.10.

Are the railings in accordance with IBC?

3.2.1.12.

3.2.1.13.

3.2.1.13.1

3.2.1.13.2 Number of pallet gates for Type “A” mezzanine? ___

Number of pallet gates for Type “B” mezzanine? ___

The pallet gates provide an opening of ___ inches

Height of security fence underneath mezzanine?

Will a swinging gate be provided as specified?

Will dual swinging gates be provided as specified?

3.2.3.1.

Are capacity markings provided?

3.2.3.2.

Are no-step markings provided?

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.

TYPED NAME:

COMPANY NAME:

ADDRESS:

PHONE:

FAX:

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