Appendix B- Mobile Aisle.pdf

APPENDIX B

FOR

MECHANICAL-ASSIST, MOBILE STORAGE SYSTEM

AT

JOINT BASE CHARLESTON, SOUTH CAROLINA

FLIGHT LINE SUPPORT FACILITY

CSN: BCH205

DATE: 20 DECEMBER 2023

PREPARED BY:

Ashley Ambrose

ASHLEY AMBROSE

PROJECT ENGINEER

AFLCMC/EZPAE

Ronald Parsons

RONALD PARSONS

REVIEWER

AFLCMC/EZPAE

FA860424RB005 ATTACHMENT 3

THIS PAGE LEFT BLANK INTENTIONALLY

Joint Base Charleston - App B - Page i

Table of Contents

1. SCOPE

2. APPLICABLE DOCUMENTS

3. REQUIREMENTS

3.1. SYSTEM DESCRIPTION

3.2. PERFORMANCE AND PHYSICAL CHARACTERISTICS

3.2.1. SYSTEM OPERATION

3.2.2. CARRIAGES

3.2.2.1. FRAME

3.2.2.2. DRIVE CHAIN

3.2.2.3. DRIVE SHAFTS

3.2.2.4. BEARINGS

3.2.2.5. WHEELS

3.2.2.6. GUIDANCE SYSTEM

3.2.3. STATIONARY PLATFORMS

3.2.4. SHELVING SECTIONS

3.2.5. FACE PANELS

3.2.6. ROW IDENTIFICATION

3.2.7. RAIL INSTALLATION

3.2.8. RAIL SKIRTS

3.2.9. ELEVATED FLOORING

3.2.10. RAMPS

3.2.11. SAFETY DEVICES

3.2.11.1. ANTI-MOVEMENT LOCK

3.2.11.2. ANTI-TIP DEVICE

3.2.11.3. AUTOMATIC AISLE LIGHTING

3.3. ELECTRICAL CHARACTERISTICS

4. QUALITY ASSURANCE PROVISIONS

4.1. INSPECTIONS

4.2. TESTS

4.3. CERTIFICATIONS

Joint Base Charleston - App B - Page 1

1. SCOPE

This appendix establishes the minimum performance, design, fabrication, installation, and test requirements for two mechanical-assist, mobile storage systems for the 628th Logistics Readiness Squadron (LRS) in the Flight Line Support Facility (FLSF) at Joint Base Charleston, South Carolina. The work shall be completed in accordance with this appendix, the Cover PD, and Air Force (AF) Drawing BCH205-01. This appendix covers all equipment, materials, and labor necessary to complete installation of the system.

2. APPLICABLE DOCUMENTS

Applicable documents shall be in accordance with Section 2 of the cover PD.

3. REQUIREMENTS

3.1. SYSTEM DESCRIPTION

Mechanical-assist, mobile storage systems shall be utilized to store hand liftable, pilferable items. The systems shall be installed according to AF Drawing BCH205-01 and shall consist of:

a. Carriages, including drive trains

b. Stationary platforms

c. Pallet Rack (Appendix A)

d. Rails

e. Elevated flooring

f. Ramps

g. Safety devices

h. Mechanical fasteners, anchors, and all other items required to install the mobile storage system.

Joint Base Charleston - App B - Page 2

3.2. PERFORMANCE AND PHYSICAL CHARACTERISTICS

3.2.1. SYSTEM OPERATION

Each carriage shall have a crank mechanism on both ends, as indicated on AF Drawing BCH205-01. The crank mechanisms shall be turned manually clockwise or counterclockwise to move the carriage in the desired direction. No more than five pounds of force on the crank shall be required to move a fully loaded carriage.

3.2.2. CARRIAGES

Carriages shall consist of a frame and drive train, upon which shelving units shall be installed. These carriages shall move as required after the appropriate crank is turned. All carriages shall be capable of supporting a minimum load of 750 pounds per carriage foot. No system component shall deflect greater than 0.5 percent of the distance between supports when fully loaded. No component shall exhibit permanent deformation after the maximum load has been removed.

3.2.2.1. FRAME

The frame shall consist of aluminum or steel channel, welded or bolted together to support a fully loaded shelving section.

Cross bracing shall ensure rigidity. Bumpers shall be mounted on the frame, spaced appropriately to minimize carriage contact.

The frame shall be designed for an integral drive train.

3.2.2.2. DRIVE CHAIN

Drive chain shall connect a set of gear reduction sprockets from the crank shaft to the drive shaft.

3.2.2.3. DRIVE SHAFTS

Drive shafts shall be made of steel and have a minimum diameter of 1 inch. Splices or connections to other sections of the drive shaft, drive wheels, and gears shall be slotted for key joints or use shoulder bolts. Drive shafts shall run through pillow block or flanged bearings on either side of the drive wheel. Slave drive shafts shall be driven by use of sprockets and chain from the main drive shaft.

Joint Base Charleston - App B - Page 3

3.2.2.4. BEARINGS

Bearings shall have a static load rating equal to or greater than the maximum bearing loading, including applicable safety factors, under all operating conditions. Bearings shall be permanently lubricated, securely mounted, and properly housed for protection from physical damage.

3.2.2.5. WHEELS

Each carriage shall have minimum two wheels per rail. Each carriage shall have at least two drive wheels and at least two guide wheels (drive wheels may also act as guide wheels). All wheels shall be balanced, hardened steel. Wheels which are connected to the drive shaft shall be slotted for key joints.

Wheels shall be capable of supporting the fully loaded carriage.

Wheels shall not slide or lose contact with the rail.

3.2.2.6. GUIDANCE SYSTEM

All carriages shall use flanged wheels or guide bearings for guidance over the rails. If flanged wheels are used, each carriage shall have a minimum of two flanged guide wheels. If guide bearings are used, then each carriage shall have a minimum of four sets of guide bearings. Guide bearings shall be precision machined and permanently lubricated.

3.2.3. STATIONARY PLATFORMS

Stationary platforms shall be of the same construction and height as the carriages, but they shall be anchored to the rails or floor and require no drive train.

3.2.4. SHELVING SECTIONS

Pallet rack specified in Appendix A (Type “B”) shall be bolted to the carriages and the stationary platform. Bolt (1/4” diameter), nut, and lock washer shall be used to secure the wide span shelving to the Mobile Aisle.

3.2.5. FACE PANELS

Face panels shall be fastened to the crank mechanism end of all the shelving sections/carriages. Face panels shall provide a rigid mounting location for controls and card holders. The face panels shall be fabricated from steel or laminate panels with covered edges. The face panels shall cover the entire width of

Joint Base Charleston - App B - Page 4 the shelving sections. The face panels shall be of equal height and of a height to cover the height of the pallet rack so there is a uniform look, height to all face panels down the mobile aisle systems. Color selection shall be made available to Joint Base Charleston personnel at the Post Award Technical Information Meeting (PATIM).

3.2.6. ROW IDENTIFICATION

Card holders shall be installed on the face panels for row identification. Two card holders shall be mounted on each face panel unless the row is accessible from only one side, in that case only one card holder is required. The card holders shall be at least five inches wide by three inches high and mounted at eye level so that operators can locate numbers easily. Row identification cards will be made up by the warehouse personnel according to their established location assignment practices. A blank card will be provided by the Contractor for each card holder.

3.2.7. RAIL INSTALLATION

The carriages shall move over minimum one inch high, steel rail assemblies. After leveling the rails, load bearing grout shall be used to fill in any gaps between the rail assemblies and the existing floor. Rails shall be installed no more than seven feet apart.

3.2.8. RAIL SKIRTS

Rail skirts shall be installed to cover the unfinished edges of the floor, rail, and ramp along all edges.

3.2.9. ELEVATED FLOORING

A composite flooring shall be provided. The flooring shall be minimum 3/4-inch thick high density polyethylene (HDPE)laminated panels or minimum Resindek LD with Gray Diamond Seal composite flooring. HDPE laminate shall be minimum .050” thick over 3/4” mold, mildew and corrosion resistant plywood panel. The HDPE laminate shall not delaminate from the 3/4” plywood substrate.

The flooring sheets shall be tongue and groove on long sides forming an integral surface. Flooring shall be sized to fit between the rails, level with the top of the rails, in order to provide a safe walking surface for personnel. Adjacent sheets of subflooring shall be shimmed along the full length of the common side.

Joint Base Charleston - App B - Page 5

3.2.10. RAMPS

Metal ramps shall be installed to allow an easy transition to the elevated flooring. The ramps shall be provided along the entire length of the front and back sides allowing entrance to the aisles. The ramps shall not extend past the end of the carriages into the main aisle. The grade on these ramps shall not exceed 10 percent.

3.2.11. SAFETY DEVICES

3.2.11.1. ANTI-MOVEMENT LOCK

Each carriage shall be equipped with a mechanism which will lock the carriage in place while the operator is in the aisle.

3.2.11.2. ANTI-TIP DEVICE

Where required, anti-tip device shall be installed on each carriage to prevent tipping during movement.

3.2.11.3. AUTOMATIC AISLE LIGHTING

When an aisle is created, an overhead light illuminating the aisle shall be activated. This light shall remain on until another aisle is selected or until the power is turned off. This lighting shall be dual bulb, T8 LED fixtures. A light switch for both systems shall be installed on the wall adjacent to the mobile aisle systems. Final location of the switch to be identified at time of installation. This light switch shall allow the automatic lights to be turned on at the beginning of a shift and turned off at the end of the shift.

3.3. ELECTRICAL CHARACTERISTICS

The Contractor shall furnish and install all necessary wiring and equipment for power distribution to the mobile aisle from an existing electrical panel located within 100 feet.

4. QUALITY ASSURANCE PROVISIONS

4.1. 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

Joint Base Charleston - App B - Page 6 cover purchase description. These inspections shall be completed as part of the systems checkout test and again as a part of the quality conformance test.

4.2. TESTS

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

No. Paragraph Description

1. 3.2.1. A functional test of 24 hours in three eight hour increments shall be made on the system.

It shall be tested randomly over this period.

Test each crank by turning it both clockwise and counterclockwise. If the carriage does not move in the desired direction, the system fails the test.

2. 3.2.2. The deflection test shall be performed randomly on any system component. The Contractor shall load the selected shelves to maximum loading.

The shelves shall remain loaded for four continuous hours. At the end of the four hour period, the system shall be checked for deflection. If any system component deflects more than 0.5 percent of the distance between supports when fully loaded, the system fails the test. If any component exhibits permanent deformation after the maximum load has been removed, the system fails the test.

4. 3.2.11.1. Test each anti-movement lock. If a carriage can be moved with a lock activated, the system fails the test.

Joint Base Charleston - App B - Page 7

4.3. 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.

No. Paragraph Certifications

1. 3.2.2. All carriages are capable of supporting a minimum load of 750 pounds per carriage foot.

2. 3.2.2.3. Drive shafts are made of steel and have a minimum diameter of 1 inch. Splices or connections to other sections of the drive shaft, drive wheels, and gears are slotted for key joints. Drive shafts run through pillow block or flanged bearings on either side of the drive wheel. Slave drive shafts are driven by use of sprockets and chain from the main drive shaft.

3. 3.2.2.4. Bearings have a static load rating equal to or greater than the maximum bearing loading, including applicable safety factors, under all operating conditions. Bearings are permanently lubricated, securely mounted, and properly housed for protection from physical damage.

4. 3.2.2.5. All wheels are balanced, hardened steel.

Wheels which are connected to the drive shaft are slotted for key joints. Wheels are capable of supporting the fully loaded carriage.

Wheels are precision ground so they do not slide or lose contact with the rail.

5. 3.2.2.6. If guide bearings are used, they are precision machined, permanently lubricated and adjustable to ensure proper alignment between the wheel and the rail.

TECHNICAL PROPOSAL QUESTIONNAIRE

FOR

Joint Base Charleston - Mobile Storage System TPQ - Page 1 of 2

MECHANICAL-ASSIST, MOBILE STORAGE SYSTEMS

Solicitation Number: FA8604- -R- Project Title: Storage Aids System Base: Joint Base Charleston, SC CSN: BCH205 Appendix B – Mobile Storage System, 20 December 2023

This questionnaire shall be completed by the Offeror. 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 as detailed below.

Mechanical-Assist, Mobile Storage System Manufacturer: _______ Model Number: _________________________________________________

No Paragraph Characteristics

3.1. Number of stationary platforms: _______________

Number of moving carriages: ___________________

3.2.1. Force required on the crank to move a fully

loaded carriage: __________________________ lbs

3.2.2. Load capacity per carriage foot: __________ lbs

3.2.2.5. Number of drive wheels per carriage: __________

Number of guide wheels per carriage: __________

3.2.7. Number of rails: ______________________________

Height of rails: _______________________ inches Distance between rails: __________________ feet

3.2.9. Height of elevated floor: ______________ inches

3.2.10. Ramp material: ________________________________

3.2.11.1. Will anti-movement locks be provided as

specified?

YES NO

3.2.11.3 Number of light fixtures per row: ___________

Solicitation Number: FA8604- -R-

Joint Base Charleston - Mobile Storage System TPQ - Page 2 of 2

EXCEPTIONS

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? YES NO Number of pages attached: ____________________________________

Electrical characteristics