Ammunition and Explosive Storage Magazines
RC Box, Type 'M'
| Approval for New Construction | ECM Designation | Designer & Drawing Number | Maximum Allowable Not Explosive Weight (NEW) | Dimensions | Door Opening | DDESB Approval Date |
|---|---|---|---|---|---|---|
| YES | 7-BAR | NAVFAC 1400001-10400027 | 350,000 lb | 81'-0" Wide x 124'-0" Deep x 24'-6" High (Measured at interior face at each end) |
(2) 14'-0" Wide x 14'-0" High | 1-DEC-99 |
Approved files for use -
Digital Drawings -
Digital Drawings -
- AUTOCAD
(ZIP 3.2 MB) - PDF Version
(PDF 6 MB, 27 pgs)
- Approval Letter
(PDF 1.9 MB, 1 pg) - Calculations
(ZIP 4.6 MB) - Technical Memorandom
(PDF 1.1 MB, 37 pgs)
Comments/Design Consideration -
The design provides for internal magazine access by rail and truck.
This drawing number represents the most recent design of three versions of the Box Type M Magazine that has been constructed. The initial design was approved by DDESB-KO memo of 9 Apr 93 for construction at NAVWPNSTA Seal Beach. The two subsequent design variations were approved by DDESB-KO memo of 1 Dec 99, for construction at NAVYPNSTA Yorktown. All new construction of Box Type M ECM will be in accordance with drawings 10400001 through 10400027.
The design provides for internal magazine access by rail and truck.
This drawing number represents the most recent design of three versions of the Box Type M Magazine that has been constructed. The initial design was approved by DDESB-KO memo of 9 Apr 93 for construction at NAVWPNSTA Seal Beach. The two subsequent design variations were approved by DDESB-KO memo of 1 Dec 99, for construction at NAVYPNSTA Yorktown. All new construction of Box Type M ECM will be in accordance with drawings 10400001 through 10400027.
