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10. Revislon No.

OFF ICE OF CIVILIAN RADIOACTIVE WASTE MANAGEMENT CALCULATION COVER SHEET Page:

MOL.20001011.0002 2 Calculation Title

Strengthening of Trench Cover Plates for S 9 g e a r Building 3. Document Identifier (including Revision Number)

11. Description of Revision

',

BAB000000-01717-021 BOOI5S RW DO --

4. Total Attachments I 5. Attachment Numbers -Number of pages ih each 1 1-10

Print Name Signature

6. Originator Michael S. Ruben - I ~

7. Checker Sean A. Farga

8 Lead Michael S. Ruben

1. Purpose

The objective of t h~s calculation is to strengthen the existing trench cover plates of the Electrical Switchgear Building (BLDG 5010) of the Exploratory Studies Facility. A remodeling effort will change the portion of the facility that has the trenches for electrical cables to a craftkhop area. The users of the building will be using a forklift in this area (Clark CGP 30 forklift with a capacity of 3 tons). The trench covers require strengthening to support the wheel loads from the forklift. The outpuW-this calculation will be sketches revising the floor plate details of DWG YMP-025-1-7007-ST103, Rev 02. (Details 4 and 5 )

The Development Plan for this analysis is: “Complete the ESF Electrical Switchgear Building,” BABB000000-0 17 17-4800-00040, Rev 00.

2. Method

Hand calculations will be used in this analysis. There will be no use of computer analysis.

3. Assumptions

1. 2.

The existing floor plate is mild steel conforming to ASTM A 36. Existing expansion anchors fastening W6 beam seats to trench walls have ultimate tension capacity of 18,000 pounds and ultimate shear capacity of 19,200 pounds. (Hilti Kwik-bolt I1 W’ diameter X 7 inches long with 4-3f4” embedment and 4,000 psi concrete.)

4. Use of Computer Software and Models

There is no computer software used in this analysis.

5. Calculation

See Attachment I

6. Results

See sketches for changes to floor plates in Attachment I.

7. References

1. AISC (American Institute of Steel Construction) 1989. Manual of Steel Construction, Allowable Stress Design. 9th Edition. Chicago, Illinois: American Institute of Steel Construction. TIC: 205770.

2. Elowson, J. 2000. “Wheel Load.“ E-mail from J. Elowson (NHMH) to M. Ruben, June 7, 2000, with attachment. ACC: MOL.20000628.0427.

3. Hilti. 1999. Hilti Product Technical Guide/2000. 59-71. Tulsa, Oklahoma: Hilti, Inc. TIC: 248425.

BAB000000-0 17 17-02 10-00 155 REV00 Page 2

4. YMP (Yucca Mountain Site Characterization Project) 1994a. Exploratory Studies Faciliw, Package I A Electrical Switchgear Bldg SOJO, FDN Sections & Details. YMP-025-1-7007-ST103 Rev. 2. Las Vegas, Nevada: Yucca Mountain Site Characterization Office. ACC: MOL. 19950626,0208.

5. YMP 1994b. Exploratory Studies Facility, Package I A Electrical Switchgear Bldg 5010, Floor Slab & FDN Plan. YMP-025-1-7007-ST101 Rev. 3. Las Vegas, Nevada: Yucca Mountain Site Characterization Office. ACC: MOL. 19950626.0206.

6. CRWMS M&O 1995. Add Standard Detail 9, Optional Removable Floor Beam. BCP-02-95-0171. Las Vegas, Nevada: CRWMS-M&O. ACC: MOL. 199605 13.0344.

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8. Attach men ts

Attachment I Calculations

BAl3000000-0 17 17-02 10-00 155 REV00 Page 3

ATTACHMENT I

Calculations

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