ATT0036.xlsx
XLSX spreadsheet 1 MB Posted
- Solicitation number
- W56HZV-21-R-0169
About this file
This data package describes the requirements for assessing the structural integrity of tie down provisions on trailers transporting heavy equipment. It seeks details on payload dimensions and center of gravity, tie down chain specifications and attachment points, vehicle chock specifications, and the expected lateral, longitudinal, and vertical accelerations during braking, acceleration, and turning maneuvers. A coordinate system and examples are provided for contractors to populate with their proposed tie down scheme. Additionally, the Army plans to release a competitive solicitation within the near future for a five-year contract to acquire 466 Enhanced Heavy Equipment Transport System trailers. Interested vendors are encouraged to submit comments on the draft solicitation and attachments.
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Other files
| File | Type | Posted |
|---|---|---|
| ATT0002 rev 5Oct.xlsx | XLSX spreadsheet | |
| Draft RFP W56HZV21R0169 rev 6Oct.pdf | ||
| ATT0040.xlsx | XLSX spreadsheet | |
| ATT0002.xlsx | XLSX spreadsheet | |
| ATT0038.xlsx | XLSX spreadsheet | |
| ATT0026.pdf | ||
| ATT0007.pdf | ||
| ATT0041.pdf | ||
| ATT0048.pdf | ||
| ATT0009.xlsx | XLSX spreadsheet | |
| ATT0043.pdf | ||
| ATT0019.pdf | ||
| ATT0047.pdf | ||
| ATT0020.pdf | ||
| ATT0030.pdf | ||
| ATT0037.xlsx | XLSX spreadsheet | |
| ATT0027.pdf | ||
| ATT0028.pdf | ||
| ATT0049.pdf | ||
| EXHA.pdf | ||
| Draft RFP W56HZV21R0169.pdf | ||
| ATT0046.xlsx | XLSX spreadsheet | |
| ATT0042.docx | DOCX document | |
| ATT0008.XLSX | XLSX spreadsheet |
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Narrative
| CUI | |
| CUI* |
Distribution Statement A - Approved for Public Release; OPSEC 5215, distribution unlimited.
*When form is filled in whole or in part. The following applies;
Controlled by: DEVCOM GVSC Controlled by: FCDD-GVR-MSS Analytics CUI Category(ies): CTI, Procurement & Acquisition Distribution Statement D POC: usarmy.detroit.devcom-gvsc.list.analytics@mail.mil
DISTRIBUTION STATEMENT D. Secondary distribution authorized to Department of Defense (DoD) agencies and their US DoD contractors per CUI category(ies) listed, 24FEB2021. Other requests for this document shall be referred to US Army DEVCOM GVSC (FCDD-GVR-MSS Analytics).
JLTV Oct 2011
&8PREDECISIONAL - DRAFT RELEASE ONLY / Distribution Statement A* - Approved for Public Release; distribution unlimited. (*Distribution Statement A only applies when form is not filled in)
Tie Down Provision Data
| Trailer Tie Down Provision Data | ||||
| Highway Loading Scenarios | ||||
| 1 | Provide a drawing of the trailer deck with overall dimensions and locations of tie down provisions | MIL-STD-1366, paragraph 5.1.6, highway section | ||
| 2 | For each of the required payloads please provide the following; | |||
| 3 | Drawing of the payload tie down scheme. (see example at right) | |||
| 4 | Plan view and side view of the payload on the trailer with locating dimensions | |||
| 5 | Location of the CG of the payload on the trailer. | |||
| 6 | Include dimensions and locations of all required tie down chains | |||
| 7 | Specify tie down chains and deck attachment provisions working load limits. | |||
| 8 | Number of chains required | |||
| 9 | Dimension of the overall height of the payload on the trailer referenced to the ground. | |||
| 10 | Vehicle chock data (if proposed). | |||
| 11 | Angle relative to the horizontal of front chocks. | |||
| 12 | Angle relative to the horizontal of rear chocks. | |||
| 13 | Height and width of front and rear chocks. | |||
| 14 | Front and rear chock horizontal allowable load limit. | |||
| 15 | Front and rear chock vertical allowable load limit. | |||
| 16 | Verify the front and rear chocks will be positioned in tight contact with the the payload treads | |||
| 17 | Provide engineering drawings and/or commercial literature of the cargo wheel chock provision including dimensions and load ratings. | |||
| 18 | Provide a brief narrative of the proposed tie down scheme. | |||
| Overall Height of Payload on Trailer | ||||
| Height = | ||||
| Provide Coordianates for the end points of each tiedown chain and description of the chain. Identify each chain number in the drawing you provide at the right. Add rows to the table as necessary. |
| End Point Coordinates for Each Tiedown Chain | ||||||
| Chain # | Endpoint | X (in.) | Y (in.) | Z (in.) | Description | |
| 1 | 1 | -342 | 0 | 0 | LH Front Parallel Chain 1 | |
| 2 | -287 | 17 | 22 | |||
| 2 | 1 | i.e. Front Crosswise Chain1 | ||||
| 2 | ||||||
| 3 | 1 | i.e. Front Crosswise Chain2 | ||||
| 2 | ||||||
| 4 | 1 | etc….. | ||||
| 2 | ||||||
| n | 1 | etc….. | ||||
| 2 | ||||||
| Instructions for chain end point coordinates | ||||||
| 1 | All dimensions are relative a point on the surface of the trailer directly under LH rear Payload tie down provision point . | |||||
| Provide a drawing labeling each chain required | ||||||
| In the table above, provide the coordinates for each chain end point with a description for the chain. | ||||||
| Add rows to the table as necessary for all the required chains. | ||||||
| See images below for more examples on the tie down chain locations and vehicle chocks | ||||||
| State if front chain sets and rear chain sets are symmetric about the trailer centerline | ||||||
| Example data is in the chart above. | ||||||
| Payload Chock Locations | ||||||
| Chock # | X (in.) | Y (in.) | Z (in.) | Description | ||
| 1 | -16 | 15 | 11 | LH Rear Chock | ||
| 2 | RH Rear Chock | |||||
| 3 | LH Front Chock | |||||
| 4 | RH Front Chock | |||||
| n | etc….. |
JLTV Oct 2011
&8PREDECISIONAL - DRAFT RELEASE ONLY / Distribution Statement A* - Approved for Public Release; distribution unlimited. (*Distribution Statement A only applies when form is not filled in)
X dir = Longitudinal Y dir = Transverse Z dir = Height X Y Center of lug hole projected downward along Z vertical axis to the trailer deck upper surface.
Acceleration 0.5G Lateral 0.25G Lateral 0.25G Braking 0.4G Vertical 0.2G
Sheet1
Microsoft_Word_97_-_2003_Document.doc
TRAILER TIE DOWN DATA PACKAGE FOR
STRUCTURAL ASSESSMENT OF TIE DOWN PROVISIONS
1.0 INTRODUCTION
This package describes the data requirements for a first order structural assessment of the tie down provisions. The nature of this assessment is to determine the required loads necessary to restrain the proposed payloads and to determine if the proposed tie down and rigging scheme is sufficient to restrain the proposed payloads under prescribed highway braking, accelerating, and turning events. In order to facilitate this assessment, an attempt has been made here to provide a generic data sheet to define the system parameters necessary to conduct the desired assessment. This sheet includes the minimal requirements necessary to conduct the assessment.
2.0 OBJECTIVES
The purpose of this package is to: 1) define in detail the parameters, and descriptions that are necessary to perform the tie down provisions assessment and 2) provide standardized work sheets which will facilitate the model development for the assessment.
3.0 RECOMMENDATIONS
As the government deems it necessary, this package will be updated to add data requirements as modeling methodologies and simulation technologies advance.
4.0 DISCUSSION
The following data sheet is included to capture the required data.
image1.emf image2.png image3.png image4.png image5.png image6.png image7.png
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