App D - In-Checking Ball Transfer Conveyor.docx

DOCX document 49 KB Posted Jul 23, 2010

Attached to: Receiving, Storage, and Distribution System at Tyndall AFB, FL
Solicitation number: FA8604-10-R-7948
Issued by: Department of the Air Force Materiel Command Lifecycle Management Center Wright Patterson Air Force Base

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Appendix D

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FA8604-10-R-7948 0004.pdf	PDF	Aug 17, 2010
FA8604-10-R-7948 0003.pdf	PDF	Aug 16, 2010
DSCN1218.JPG	JPG image	Aug 10, 2010
FA8604-10-R-7948 0002.pdf	PDF	Aug 10, 2010
DSCN1202.JPG	JPG image	Aug 10, 2010
FA8604-10-R-7948 0001.pdf	PDF	Jul 30, 2010
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ATY0B9-01.dwg	DWG drawing	Jul 23, 2010
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ATY0B9-02.dwg	DWG drawing	Jul 23, 2010
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TECHNICAL PROPOSAL QUESTIONNAIRE

FOR

Offeror:

Solicitation Number:

FA8604-

-R-

APPENDIX D

FOR

IN-CHECKING BALL TRANSFER CONVEYOR

Tyndall AIR FORCE BASE, FL

BUILDING 266

CSN: ATY0B9

DATE: 1 June 2010

PREPARED BY:

Robert O. Burns

PROJECT ENGINEER

403 SCMS/GUEC

Shane Legge

REVIEWER

403 SCMS/GUEC

THIS PAGE LEFT BLANK INTENTIONALLY

Table of Contents

1. SCOPE	1
1.1. General scope	1
1.2. Definitions	1
1.2.1. Load distribution	1
1.2.2. Conveyor	1
1.2.3. Gravity roller conveyor	1
1.2.4. Interfacing conveyor	1
2. APPLICABLE DOCUMENTS	1
3. REQUIREMENTS	1
3.1. System description	2
3.2. PERFORMANCE AND PHYSICAL Characteristics	2
3.2.1. Ball transfer DECK	2
3.2.1.1. Ball transfers	2
3.2.1.2. Weight variations	3
3.2.1.3. Transfer frames	3
3.2.1.4. Shims	3
3.2.2. Conveyor levelness	3
3.2.3. Deformation under impact	3
3.2.4. Interfaces	4
3.2.4.1. Turning Posts	4
4. QUALITY ASSURANCE PROVISIONS	4
4.1. Inspections	4
4.2. Tests	4
4.3. Certifications	6

Tyndall App D - Page 1 TYNDALL APP D - PAGE ii

1. SCOPE

1.1. General scope

This appendix establishes the minimum performance, design, fabrication, installation, and test requirements for Ball Transfer Conveyor for the 325th Logistics Readiness Division, Building 266, at Tyndall Air Force Base (AFB) FL. The work shall be completed in accordance with this appendix, the Cover Purchase Description (PD), and Air Force (AF) Drawings ATY0B9-01. This appendix covers all equipment, materials, and labor necessary to complete installation of the system.

1.2. Definitions

1.2.2.3. Load distribution

Package/tote pan weights range from fully loaded to empty. The center of gravity may deviate by as much as 10 inches from the center of the package/tote pan.

1.2.4. Conveyor

In this appendix, conveyor refers to both the gravity roller conveyor and the ball transfer conveyor that are used to transfer tote pans containing small to medium size items or boxes.

1.2.5. Gravity roller conveyor

Gravity roller conveyor consists of lanes of non-powered rollers in accordance with Appendix B of the Cover PD.

1.2.6. Interfacing conveyor

Interfacing conveyor refers to all gravity roller conveyor sections and ball transfer conveyor decks that the referenced conveyor is adjacent to and can transfer tote pans containing small to medium size items or boxes/packages on to.

2. APPLICABLE DOCUMENTS

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

3. REQUIREMENTS

3.1. System description

Ball transfer conveyor shall provide smooth, easy manual transfer of package/tote pans in any direction. Ball transfer conveyor shall consist of a ball transfer deck. Loads are manually pushed across the ball transfer conveyor. The ball transfer conveyor shall interface with the inbound and outbound gravity roller conveyor lanes. The design of the ball transfer conveyor shall be approved by the Contracting Officer or Technical Representative (COTR) prior to fabrication. The ball transfer conveyor shall conform to the details shown on AF Drawing ATY0B9-01. All dimensions shown on AF Drawing ATY0B9-01 are nominal. The Contractor shall field verify all dimensions.

3.2. PERFORMANCE AND PHYSICAL Characteristics

3.2.1. Ball transfer DECK

The ball transfer conveyor shall be capable of transferring boxes varying in sizes up to 18 inches high by 24 inches long by 24 inches wide and tote pans containing small to medium size items or boxes from the in-bound GRC lanes to the outbound GRC.

3.2.1.1. Ball transfers

Ball transfers shall consist of a housing containing a minimum 1-inch diameter ball. The ball shall be stainless steel. Other metal components of the ball transfer shall be stainless steel, aluminum, or zinc plated. The ball transfers shall not corrode, rust, or deteriorate due to condensation. Ball transfers shall be lubricated for life and shall be shielded against contamination. Each ball transfer shall have a minimum load capacity of 375 pounds. The conveying surface shall extend a minimum of 1/4 inch above the ball transfer base plate. When installed adjacent to gravity roller conveyor, the conveying surface shall be level with the conveying surface of the gravity roller conveyor. Ball transfers shall be installed on maximum 4 inch centers. Ball transfers and the spacing used shall not damage tote pans containing small to medium size items or boxes being transferred on the conveying surface. Each individual ball transfer shall be removable without removing the ball transfer base plate. The ball transfers shall be retained in place to prevent shifting or movement.

Weight variations The conveyors shall be capable of transporting items in tote pans and/or in boxes ranging from a weight of 1 pound to 120 pounds.

3.2.1.2. Transfer frames

The ball transfer frames shall be constructed of structural steel and shall support all loads without permanent deformation.

3.2.1.7. Shims

As a minimum, the conveyor frames shall be shimmed at each anchor point and at all interface points between conveyor frames to ensure a smooth transition between conveying surfaces. Shims shall be provided so that the conveyor frames do not have an unsupported length greater than five feet. The shims shall be held in place by the anchor bolt. Shim holes shall be punched or drilled. Slotted shims shall not be acceptable. Beveled or half-shims shall be provided where required to ensure that each conveyor frame is level. The guide rails need only be shimmed to the point where they extend a minimum of 1-1/2 inches above the conveyor frames along the entire length of the conveyor. Shims shall be equal in width to the width of the component under which it is installed (either the conveyor support or the guide rail) and shall be aligned beneath the component. Each shim shall be a minimum of 4 inches in length. Shims shall be of sufficient varying thickness so that no more than five shims are installed at any point.

3.2.3. Conveyor levelness

The conveying surface of the entire system shall be level and true along its entire length and width. The conveying surface of all conveyors shall be level to within 1/8 inch over 10 feet measured along the length and width of the conveyor and across all conveyor frame interfaces. The conveyor shall provide a smooth surface for transporting tote pans containing small to medium size items or boxes.

3.2.4. Deformation under impact

All conveyor frames, rollers, bearings, ball transfers, and guide rails shall be capable of withstanding repeated impacts from on/off-loading and transfer of fully loaded boxes/tote pans without suffering any permanent deformation. Impacts shall occur from the manual transfer of package/tote pans onto and over the conveyor.

3.2.5. Interfaces

Package/tote pans shall not snag or bind at interfaces between conveyor frames.

Turning Posts Turning posts shall be installed as shown on Air Force Drawing ATY0B9-01. The turning posts shall assist in transferring packages/tote pans from the ball transfer conveyor onto the outbound GRC conveyor. Turning posts shall be constructed of stainless steel and shall extend a minimum of 16 inches above the conveyor surface.

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 Cover PD. These inspections shall be completed as part of the system 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

3.2.1.

Position two typical packages/tote pans (gross weight of 10,500 pounds each) on the ball transfer conveyor and leave for two hours. Push the loads off the conveyor. Inspect the conveyor for any deformation and individually spin each ball transfer to determine if it is still free rolling. If any deformation is present or if any ball transfers are not free rolling, the conveyor fails this test.

3.2.2.

Test to ensure that the conveyor is level along its entire length and width providing a smooth surface for transporting loads. Using a level, verify levelness at a minimum of 20 different locations along the conveyor. Using a level verify levelness at a minimum of 10 different locations at conveyor frame interfaces. If the conveyor is not level to within 1/8-inch over 10 feet at all locations measured, the conveyor fails this test.

3.2.2.

Test to ensure that the conveyor is true and level and that package/tote pans roll straight. A fully loaded package/tote pan shall be centered on a conveyor. The package/tote pan shall be pushed along the full length of the conveyor. Repeat with an empty package/tote pan. This test shall be repeated until all conveyors have been tested 5 times. If the package/tote pan touches the guide rail during the test, the conveyor fails this test.

3.2.3.

Test to ensure all conveyor frames, bearings, ball transfers, and guide rails are capable of withstanding repeated impacts from on/off-loading and transfer of fully loaded package/tote pans without suffering any permanent deformation. Move a typical package/tote pan over every ball transfer. Repeat five times. If any deformation is present or if the package/tote pan would not transfer the conveyor fails this test.

3.2.4.

Move a fully loaded package/tote pan over every ball transfer in the four primary travel directions. If the package/tote pan snags or binds between any frames, the conveyor fails this test.

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

3.2.1.1.

Ball transfers have a zinc-plated steel ball and housing. All remaining steel components are also zinc-plated steel.

3.2.1.1.

Ball transfers are lubricated for life, permanently sealed, and have a minimum load capacity of 375 pounds each.

THIS AREA LEFT BLANK INTENTIONALLY

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Tyndall App D - Page 7

IN-CHECKING BALL TRANSFER CONVEYOR

Offeror:

Solicitation Number:

FA8604-

-R-

Project Title:

Receiving, Storage, and Distribution System (RS/DS)

Base:

Tyndall AFB FL

CSN:

ATY0B9

Appendix D, In-Checking Ball Transfer Conveyor, 1 June 2010

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 or recommendations/design alternatives as detailed below.

Ball Transfer Conveyor Manufacturer: _________________________ Model Number: ________________________________________________

Paragraph

Characteristics

3.2.1.

Conveyor sized to hold ________ 463L package/tote pans.

Can the conveyor hold this number of 10,500 pound package/tote pans without conveyor deformation?

3.2.1.1.

Diameter of ball in ball transfer: _______ inches

Are all metal components of the ball transfers zinc-plated?

Are all ball transfers lubricated for life and permanently sealed against contamination?

Load capacity of each ball transfer: ______ pounds How far above the ball transfer deck is the conveying surface? ______ inches Spacing of ball transfers: ______ inches apart The conveyor will not damage the 463L package/tote pans that will be used on the conveyor.

Is each individual ball transfer removable without removing the ball transfer deck?

Are the ball transfers mechanically retained in place?

3.2.1.3.

Are the frames constructed of structural steel?

3.2.2.

Will the conveying surface be adjusted to within 1/8 inch of being level over every 10-foot section over the entire conveying surface to compensate for a floor that is not level?

3.2.3.

Will the conveyor withstand repeated impacts from on/off-loading of package/tote pans and transfer of package/tote pans without suffering permanent deformation?

3.2.4.

Will package/tote pans transfer between adjacent conveyor frames without snagging or binding?

3.2.4.1.

Will turning posts be provided as specified?

THIS AREA LEFT BLANK INTENTIONALLY

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:

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File details come from the government source that posted it. Updated Nov 14, 2017.