Appendix_A.docx

Offeror:

Solicitation Number:

APPENDIX “A”

FOR

VERTICAL LIFT MODULES

AT

HILL AIR FORCE BASE, UTAH

BUILDING 843

309th Facilities Maintenance MIC

DATE: 10 March 2017

PREPARED BY:

ROBIN BARRACLOUGH

Program Management/Systems Engineering OO-ALC/75th ABW/SCPD

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

In-Checking Modular Office - Page 8 of

TABLE OF CONTENTS

Hill AFB, Appendix A - Page ii

SCOPE

General scope This appendix establishes the minimum performance, design, fabrication, installation, and test requirements for one(1) vertical lift module(VLM), for the 309th Facilities Maintenance Group building 843, at Hill Air Force Base, Utah. The work shall be completed in accordance with this Appendix “A” & the cover SOW documents. This appendix describes equipment, materials, and labor necessary to complete installation of the VLM. This process requires coordination with the project Program Manager-Systems Engineer to establish an acceptable on site work schedule.

Definitions Extractor - A fabricated metal structure attached to lift mechanism used to insert, extract and transport trays between storage locations and the pick window.

Tray live load capacity - Actual amount of load supported by a tray, not including the weight of the tray

Tray - A container in which items are stored

Unit - Vertical Lift Module

Depth - Measurement from front to back when looking at the front of the unit.

Width - Measurement from side to side when looking at the front of the unit.

Height – Measurement from bottom to top inclusive of top cover.

Storage positions - The number of tray storage positions available within a Vertical Lift Module.

APPLICABLE DOCUMENTS

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

REQUIREMENTS

System description The Contractor shall provide one (1) VLM which shall store and allow retrieval of individual items or parts. Personnel shall retrieve items or parts by entering a part number into the MPS Material Processing System. The VLM shall then respond to the appropriate MPS command to retrieve the item or part and place it at the storage window. This also applies to items or parts binning actions. The VLM shall also provide for manual tray retrieve and delivery functions from an operator control panel located adjacent to the pick window. The VLM shall consist of the following:

a. Extractor

b. Trays

c. Storage locations

d. Storage window

e. Controls

f. Conduit, wiring, mechanical fasteners and all other items required to install an operational VLM system.

Characteristics Unit dimensions The external dimensions of each vertical lift module shall be a nominal 114 + 1 inches deep and 118 + 1 inch wide. The Contractor shall provide a vertical lift module that is 280 inches but not to exceed +2 inches in height.

Structure The VLM shall have a steel framework that supports the fully loaded system without the use of the enclosure panels. The VLM shall be securely anchored to the floor in a manner that unit distortion will be minimized. The VLM shall be designed such that the weight when fully loaded shall be distributed over the warehouse floor with a maximum live load capacity of NTE 600 pounds per square foot.

Deformation No VLM structural member shall exhibit elastic deformation greater than 0.10 percent of the distance between the ends of the member when loaded to capacity. No portion of the VLM shall exhibit permanent deformation.

Extractor The extractor shall be used to insert, extract and transport trays between storage locations and the storage window.

Extractor safety factor Each extractor lift mechanism shall have a minimum 6 to 1 safety factor based on yield strength.

Extractor tray sensors Sensors shall be used to ensure that trays being stored or retrieved are loaded on or off in such a manner that the extractor will not move vertically unless the tray being stored or retrieved is outside of the movement envelope of the extractor.

Extractor loading The extractor shall be capable of supporting the live load of a tray loaded to capacity. Uneven loading equal to 25% of tray capacity on either side shall have no effect on extractor speed or effectiveness. Rack & Pinion vertical lifting mechanism shall only be utilized.

Extractor free fall The extractor shall be prevented from falling in a manner such that it or tray contents will not be damaged in any event, including power failure.

Extractor calibration The extractor shall automatically calibrate its location as necessary to ensure continuously accurate storage and retrieval of trays. The extractor shall be easily recalibrated if the tray locations are changed or if the unit loses electrical power.

Trays The number of trays shall be maximized based on specified spacing requirements. Spacing shall be @ 8” max load height for a total of 40 trays.

Tray construction All trays shall be solid to provide continuous support for the capacity listed in 3.2.5.3.

Tray dimensions Usable tray width shall be 100” inches. Usable tray depth 32 inches. The height of all tray side walls shall be a minimum of 3 inch walls around the perimeter of the tray.

Tray capacity Each tray shall have a minimum live load capacity of 1,000 pounds minimum with no deformation greater than .01 percent.

Tray markings Each tray shall be marked with its associated number beginning with number "1" and progressing through all the trays of the VLM. The number shall be contrasting to the tray color and shall be located in a position which is visible to personnel on a fully loaded tray. Labels shall be located such that normal operations they are not damaged. The numbers shall be permanently affixed to the trays.

tray partitions N/A tray crosswise dividers N/A

Storage locations Metal storage locations shall be used to store trays. The storage locations shall allow tray placement on a maximum of 8 inch centers. Storage locations shall be maximized. The storage locations shall enable safe storage of trays loaded to maximum capacity without deformation of storage load bearing materials.

Storage window The storage window shall be the width of the tray plus a minimum of 1 inch. The lower edge of the storage window shall be located between 40 + 1 inch from the floor. The storage window shall be located on the front of the VLM.

Panels Enclosure panels Outer surfaces of each VLM shall have bolted solid metal or suitable material to ensure security of stored items or parts. The surfaces shall be bolted from the outside to permit removal for maintenance, shelf adjustment or emergency access. A solid metal enclosure shall be installed to enclose the top of each VLM.

Maintenance service panel A removable or hinged service panel shall provide for maintenance access to operating parts such as motors, brakes, and reducers. The panel shall be equipped with safety interlock switches to prevent the unit from operating when the service panel is open. The bottom of the service panel shall be located a minimum of 18 + 6 inches above the floor.

Maintenance access All parts requiring periodic maintenance shall be easily accessible.

Service life All equipment furnished shall be new and shall be of high quality to ensure the completed system is designed to operate a minimum 20 years of service life.

Drive components Motors Motors shall be of sufficient size for a 40 FPM minimum retrieve/store time for continuous duty to be performed and shall not exceed their full-rated load when the VLM is operating at the specified maximum capacity under the most severe conditions likely to be encountered. All motors shall be designed for continuous duty at ambient temperature, 50 to 100 degrees Fahrenheit. Motors shall be drip proof and shall be designed to operate on 480 VAC, 30 Amp, 3 phase electrical power. Motors shall have an electronically controlled soft start & stop and shall be equipped with an overload device.

Gear reducers Gear reducers shall not permit oil to leak. The maximum input horsepower rating of the gear reducer shall not be less than the horsepower of the attached drive motor. Motor and reducer frames shall be compatible.

Controls The VLM’s shall have a permanent control cluster that is either the push button or touch screen type. The control cluster shall be located above the storage opening or on a swivel arm and shall be no higher than 42 inches from the floor. As a minimum, the control cluster shall contain an alpha numeric keypad to activate manual control of the extractor, maintenance functions, operational status, and an emergency stop button. The control cluster shall have a visual display indicates the current tray number. The VLM shall have an "on/off" key lock switch to control the unit's electrical power.

Obstruction sensors Sensors shall be mounted on the VLM at the access window to stop movement of the extractor if an object extends through the plane of the opening or the extractor movement area. If this condition occurs, the storage procedure shall be aborted and an error message shall be transmitted audibly to the operator and visually displayed on the control panel.

Load height sensors Sensors shall be mounted in the storage window to measure the height of a load. This information shall be used by the unit controller to ensure there is adequate height in the unit to store the load. If there is not adequate height to store the load, the storage procedure shall be aborted and an error message shall be transmitted audibly to the operator and visually displayed on the control panel.

Lighting The VLM shall have overhead lighting, which shall measure not less than 50 foot-candles at the storage window opening. The lighting shall be continuous along the length of the access opening.

fire Suppression Two(2)sprinkler heads shall be installed at the top of each VLM. The sprinkler heads and piping shall be designed to provide a minimum of 18 GPM with a single connection point. Piping for VLM’s located side-by-side shall utilize the same piping. Fire suppression drawings and calculations shall be provided and approved before installation of the VLMs is started. Drawings shall show an installation diagram and connection point to existing building site fire suppression system. Contractor is responsible for installation of the complete fire suppression system.

Security door A lockable security door shall be provided to enclose the access window opening when the VLM is not in use. When closed, the door shall prevent access to the items or parts inside the unit. It shall be of sufficient strength and durability such that extraordinary means are required to gain access to the storage column when the door is closed. The security door shall be lockable using a key lock. A minimum of two sets of keys shall be provided for each lock. The door shall be an integral part of the storage column unit and shall allow unobstructed access to the storage column pick window when not in use.

Software controls Optimized Tray Placement Each time a tray enters the VLM from the access opening, the height of the product being stored shall be measured. The measured height shall be used to determine safe storage for the tray.

system COMPATIBLity The VLM’s shall accept retrieve and store commands from Air Force Legacy System MPS/D230 Material Processing System.

RS232 port The controller shall have a command driven interface with asynchronous responses communicating through an ASCII RS232C 9 pin connection. Pan positioning will be directed from Air Force automation control host system MPS/D230 using ASCII commands. The controller shall respond when commands are completed and not require continuous polling to determine completion status.

QUALITY ASSURANCE PROVISIONS

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

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.

An acceptance test of 2 hours shall be made on the VLM’s. This test shall demonstrate the reliability as specified in the Cover & Appendix “A” documents. All trays shall be called randomly during the test. Two trays will be loaded to capacity. If this test shows that the installation is defective in any respect or does not comply with this Appendix and the Cover SOW, the Contractor shall immediately make changes necessary to correct all defects to the satisfaction of the COR prior to acceptance. The system shall be operational at least 95 percent of the test period.

(M1 - M2) / Usable width of tray * 100 = Percent Deformation

If permanent deformation is recorded, then the trays shall fail the test. After all loads are removed, the trays shall be examined for permanent deformation. If permanent deformation has occurred, the trays shall fail the test.

3.2.13.

All safety interlock switches, sensors, touch bars, and stop buttons shall be tested to ensure that they are fully operational.

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.

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Hill AFB, App A - Page 8 of 10

TECHNICAL PROPOSAL QUESTIONNAIRE

FOR

VERTICAL LIFT MODULES

Offeror:

Solicitation Number:

Appendix A, Vertical Lift Module, 20 March, 2012

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 for all equipment detailed in this questionnaire and attach any exceptions to the Cover or Appendix “A” and recommendations/design alternatives as detailed below.

VLM Manufacturer: _________________________ Model Number: ________________________________________________

Depth: ______ inches Width: _____ inches Height: _____ inches

Width _________ inches Height ________ inches Height of bottom edge of pick opening from the floor _______ inches

3.2.4.2.

Will the extractor move vertically only after the tray being stored is outside the movement envelope of the extractor?

3.2.4.4.

Is extractor free fall prevented?

3.2.4.5.

Will the extractor automatically calibrate its location as necessary?

Width: ______ inches Depth: ______ inches Wall height: ______ inches

3.2.8.1.

Are the outer metal surfaces of the VLM bolted to the column?

3.2.8.2.

Is a removable or hinged service panel provided which allows access to operating parts as necessary?

3.2.9.

Are all the parts requiring periodic maintenance easily accessible?

3.2.11.1.

Do the motors have electronically controlled soft start & stop?

3.2.13.1.

Are height sensors provided?

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: ____________________________________

We have read the requirements of the Cover & Appendix “A” SOW documents & 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:

TPQ for Appendix A, Hill AFB - Page 4 of 4 image1.wmf