EXHIBIT 10.5

| 1.   | Article      I of the Plan is amended by the addition of a new Section 1.5 as follows,      and the following sections all section references throughout the Plan      shall be renumbered accordingly: |
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|   | 1.5 | “Board”      shall mean the Board of Directors of URS Corporation (Delaware), or the      Compensation Committee, or any other committee or individual acting      pursuant to delegated power and authority from the Board of Directors of      the URS Corporation (Delaware). |
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| 2.   | Article      I of the Plan is amended by the addition of a new Section 1.9 as follows,      and the following sections all section references throughout the Plan      shall be renumbered accordingly: |
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|   | 1.9 | “Committee”      shall mean either the Human Resources Committee or the Retirement Plans      Committee, as required by thecontext. |
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| 3.   | Article      I of the Plan is amended by the addition of a new Section 1.10 as follows,      and the following sections and all section references throughout the Plan      shall be renumbered accordingly: |
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|   | 1.10 | “Committees”      shall mean both the Human Resources Committee and the Retirement Plans      Committee that were authorized by the Compensation Committee of URS      Corporation (Delaware). |
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| 4.   | Article      I of the Plan is amended by the addition of a new Section 1.11 as follows,      and the following sections and all section references throughout the Plan      shall be renumbered accordingly: |
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|   | 1.11 | “Corporation”      shall mean URS Corporation(Delaware). |
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| 5.   | Article      I of the Plan is amended by the addition of a new Section 1.27 as follows,      and the following sections and all section references throughout the Plan      shall be renumbered accordingly: |
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|   | 1.27 | “Human      Resources Committee” shall mean the Human Resources Committee of URS      Corporation (Delaware) as described in Article VII of the      Plan. |
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| 6.   | Section      1.33 of the Plan is amended to read in its entirety as      follows: |
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|   | 1.33 | “Plan      Administrator” shall mean the Human Resources      Committee.  Notwithstanding the foregoing, in the absence of a      Human Resources Committee for any reason, the Corporation shall be the      Plan Administrator. |
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| 7.   | Article      I of the Plan is amended by the addition of a new Section 1.39 as follows,      and the following sections and all section references throughout the Plan      shall be renumbered accordingly: |
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|   | 1.39 | “Retirement      Plans Committee” shall mean the Retirement Plans Committee of URS      Corporation (Delaware) as described in Article VII of the      Plan. |
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| 8.   | Section      1.48 of the Plan is amended to read in its entirety as      follows: |
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|   | 1.48 | “Trustee”      means the trustee or trustees appointed by the Retirement Plans Committee      and acting in accordance with ArticleX. |
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| 9.   | The      second paragraph of Section 4.1(a) of the Plan is amended to read as      follows: |
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| 10.   | The      following is inserted as a new Article VII and the following sections and      all section references throughout the Plan shall be renumbered      accordingly: |
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| 7.1   | Appointment      of Committees |
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| 7.2   | Structure      of Committees |
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| 7.3   | Meetings |
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| 7.4   | Limitation      of Liability |
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| 7.5   | Compensation,      Costs and Expenses |
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| 7.6   | Indemnification |
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| 11.   | The      following is inserted as a new Article VIII and the following sections and      all section references throughout the Plan shall be renumbered      accordingly: |
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| 8.1 | Administrative      Responsibilities |
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|   | (a) | The      Human Resources Committee is the named fiduciary which has the exclusive      power, authority and discretion to: |
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|   | (i) | manage      and oversee the administration and operation of the Plan in accordance      with its terms, including interpreting the Plan and determining      eligibility for participation and benefits, deciding any matters arising      in the administration and operation of the Plan and reviewing the      performance of persons to whom administrative duties with respect to the      Plan have been assigned; |
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|   | (ii) | provide      a report of its activities to the Compensation Committee at least annually      and at such other times as may be directed by the Compensation Committee;      and |
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|   | (iii) | perform      such other functions as may be provided for in the Plan or as may be      assigned to it from time to time by the Compensation Committee, or another      responsible committee of the Board. |
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|   | (b) | The      Retirement Plans Committee is the named fiduciary which has the exclusive      power, authority and discretion to: |
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|   | (i) | appoint      the trustee and other custodians for the assets of the    Plan; |
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|   | (ii) | determine      the investment policies and funding methods for the Plan based on the      professional advice of investment consultants, actuaries and such other      advisors as the Retirement Plans Committee deems    appropriate; |
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|   | (iii) | manage,      oversee and make determinations with respect to the investment of the      assets of the Plan, including the selection and appointment of investment      managers, the selection of investment alternatives and asset allocations      and the authorization of persons to effect the same, including the      execution of documents in connectiontherewith; |
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|   | (iv) | provide      a report of its activities to the Compensation Committee at least annually      and at such other times as may be directed by the Compensation Committee;      and |
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|   | (v) | perform      such other functions as may be provided for in the Plan or as may be      assigned to it from time to time by the Compensation Committee or another      responsible committee of the Board. |
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| 8.2   | Delegation      of Fiduciary Responsibilities |
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| 12.   | Article      VIX (as renumbered pursuant to the above) of the Plan is amended in its      entirety to read as follows: |
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| 9.1 | Records      and Notices |
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| 9.2 | Powers      and Duties |
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|   | (a) | To      employ such accountants, counsel or other persons as it deems necessary or      desirable in connection with the administration of the Plan and to employ      one or more persons to render advice with regard to any administrative      responsibility pursuant to the Plan.  The Trust Fund shall bear      the costs of such services and other administrative expenses unless paid      by the Employer. |
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|   | (b) | To      designate in writing persons who are to perform any of its powers and      duties hereunder including, but not limited to, fiduciary responsibilities      (other than any responsibility to manage or control the assets of the      Plan) pursuant to the Plan. |
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|   | (c) | To      allocate in writing any of its powers and duties hereunder, including but      not limited to fiduciary responsibilities (other than any responsibility      to manage or control the assets of the Plan) among those persons who have      been designated to perform fiduciary responsibilities pursuant to the      Plan. |
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|   | (d) | To      construe and interpret the Plan. |
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|   | (e) | Subject      to Section 9.4, to resolve all questions arising in the administration,      interpretation and application of the Plan, including, but not limited to,      questions as to the eligibility or the right of any person to a      benefit. |
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|   | (f) | To      adopt such by-laws, rules, regulations, forms and procedures from time to      time as it deems advisable and appropriate in the proper administration of      the Plan. |
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|   | (g) | To      receive from Participants such information as shall be necessary for the      proper administration of the Plan. |
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|   | (h) | To      furnish, upon request, such annual reports with respect to the      administration of the Plan as are reasonable and    appropriate. |
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|   | (i) | To      receive from the Trustees and review reports of the financial condition      and receipts and disbursements of the Trust  Fund. |
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|   | (j) | To      prescribe procedures to be followed by any person in applying for      distributions pursuant to the Plan and to designate the forms or      documents, evidence and such other information as the Plan Administrator      may reasonably deem necessary, desirable or convenient to support an      application for such distribution. |
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|   | (k) | To      issue directions to the Trustees and thereby bind the Trustees concerning      all benefits to be paid pursuant to thePlan. |
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|   | (l) | To      apply consistently and uniformly the rules, regulations and determinations      to all Participants and Beneficiaries in similar      circumstances. |
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| 9.3 | Actuary |
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| 9.4 | Claims      Procedure |
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| 13.   | Section      10.1 of the Plan is amended to read in its entirety as      follows: |
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| 14.   | Section      10.3 of the Plan is amended to read in its entirety as      follows: |
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|   | 10.3 | Investment      Managers |
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| 15.   | Sections      14.1 and 14.2 of the Plan are deleted in their entirety, and the following      sections renumbered accordingly. |
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| 16.   | Section      14.4 of the Plan is amended to read in its entirety as      follows: |
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|   | 14.4 | Form      of Communication |
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|   | EG&G Technical Services,      Inc. |                          |
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|   |                                   |                          |   |
|        | By:                                    | /s/ H.      Thomas Hicks |   |
|   |                                   | TITLE:      Vice President    |   |
|   |                                   |                          |   |
|   |                                   |                          |   |

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