Document:

EXHIBIT 10.5

                          SUPPLEMENTAL INCOME AGREEMENT

         THIS AGREEMENT (the "Agreement") is entered into as of the 29th day of
July , 199 6 , by and between The PBSJ Corporation and Post, Buckley, Schuh &
Jernigan, Inc., Florida corporations with principal offices in Miami, Florida
(collectively referred to herein as the "Corporation," and ROBERT J. PAULSEN, a
resident of the State of Florida (hereinafter referred to as the "Employee").

         WHEREAS, the Corporation is engaged in the business of rendering
engineering services, including consulting, planning and surveying, as well as
allied professional services; and

         WHEREAS, the Employee is a member of a select group of management
employees and has been instrumental in the development, expansion and success of
the business of the Corporation; and

         WHEREAS, the Corporation desires to provide the Employee with the
additional benefits specified in this Agreement during the term of his
employment with the Corporation.

         NOW, THEREFORE, in consideration of the mutual covenants herein
contained, the parties hereto agree as follows:

         1. DEFINITIONS.

                  (a) "Board" shall mean the Board of Directors of the
respective Corporation.

                  (b) "Stock" shall mean the common stock, par value $.0033, of
The PBSJ Corporation.

                  (c) Restricted Stock" shall mean stock that is represented by
certificates bearing the wording contained in Exhibit "A" (attached to and made
a part hereof) on the back of said certificates.

                  (d) "Total Disability" shall mean the inability of the
Employee to perform further services for the Corporation on a full-time basis
due to physical or mental disability. The date on which the Employee begins to
receive disability benefits under Social Security shall be evidence of the onset
of said Total Disability.

                  (e) "Plan" shall mean the PBSJ Supplemental Income Plan, dated
January 12, 1988, as amended and restated through September 27, 1995 and as may
be amended in the future.

<PAGE>

                  (f) "Disability Benefit" is as defined in section 4.1C and 5.2
of the Plan document.

                  (g) "Death Benefit" is as defined in section 6.1 and 6.2 of
the Plan document.

         2. BENEFIT. Simultaneous with the execution of this Agreement, the
Corporation shall cause 2,616 shares of Restricted Stock to be issued to
Employee. These Restricted Shares are both forfeitable and non-transferable in
the event the Employee does not remain in the continuous employ of the Company
until retirement and is at least 56 years old and has been a party to this
agreement for at least ten (10) years.

         3. STOCK OWNERSHIP PLAN. The Employee will be credited with ownership
rights of these Restricted Shares which can be credited towards ownership
requirements under the Stock Ownership Plan.

         4. FEDERAL INCOME TAX CONSEQUENCES. The current Federal income tax
consequences with respect to the receipt of Restricted Stock are set forth in
Exhibit "B" (attached to and made a part hereof).

         5. BENEFIT LEVEL. The intent of this Agreement is to create an annual
supplemental income benefit at the $25,000 Executive level, all as defined in
paragraph 2 of this Agreement and Article V and VI of the Plan.

         6. EMPLOYMENT RIGHTS. This Agreement shall not be deemed to create a
contract of employment between the Corporation and the Employee, and shall
create no right for the Employee to continue in the Corporation's employ for any
specified period of time, or to create any other rights in the Employee or
obligations on the part of the Corporation, except as are set forth herein, nor
shall this Agreement restrict the right of the Corporation to discharge or
terminate the Employee.

         7. PARTICIPATION IN OTHER EMPLOYEE BENEFIT PLANS. Any benefit under
this Agreement shall not be deemed salary or other compensation to the Employee
for the purpose of computing benefits to which he may be entitled under any
pension plan or other arrangement of the Corporation for the benefit of its
employees. Nothing contained herein shall in any manner modify, impair or affect
the existing or future right or interest of the Employee to receive any employee
benefits to which he would otherwise be entitled, or as a participant in any
future incentive profit-sharing or bonus plan, stock option plan or pension plan
of the Corporation, applicable generally to salaried employees. The rights and
interests of the Employee to any employee benefits or as a participant or
beneficiary in or under any or all such plans shall continue in full force and
effect unimpaired, and the Employee shall have the right at any time hereafter
to become a participant or beneficiary under or pursuant to any and all such
plans.

         8. ARBITRATION. Any controversy or claim arising out of or relating to
this Agreement, or the breach thereof, shall be settled by arbitration conducted
by and in accordance with the rules then in existence of the American
Arbitration Association.

<PAGE>

Judgment upon the award rendered by the arbitrators may be entered in any court
having jurisdiction thereof.

         9. AMENDMENT AND TERMINATION.The Board reserves the right to amend,
alter, modify or revoke this Agreement at any time and for any reason.

         10. GOVERNING LAW. This Agreement shall be construed in accordance with
and governed by the laws of the State of Florida (without regard to the
conflicts of laws thereof). All lawsuits and other proceedings related to this
Agreement or the transactions herein described shall be commenced and held in
Dade County, Florida and the Employee waives all rights to object to the laying
of venue in such jurisdiction. In the event of any litigation or arbitration
arising by virtue of this Agreement, the prevailing party shall be entitled to
an award of all court costs, litigation and arbitration expenses and attorneys'
fees at both trial and appellate levels.

         11. NOTICES. Any notice, payment, demand or communication required or
permitted to be given by any provision of this Agreement shall be in writing and
shall be deemed to have been delivered and given for all purposes, if delivered
personally to the party or to an officer of the party to whom the same is
directed, or, whether or not the same is actually received, if sent by
registered or certified mail, postage and charges prepaid, properly addressed to
the addressee's last known address.

         12. INTEGRATED AGREEMENT. This Agreement constitutes the entire
understanding and agreement among the parties hereto with respect to the subject
matter hereof, and there are no agreements, understandings, restrictions,
representations or warranties among the parties other than those set forth
herein.

         13. NO ORAL MODIFICATION. No modification or waiver of this Agreement
or any part hereof shall be valid or effective unless in writing and signed by
the party or parties sought to be charged therewith. No waiver of any breach or
condition of this Agreement shall be deemed to be a waiver of any breach or
condition of this Agreement or of any other subsequent breach or condition,
whether of like or different nature.

         14. BINDING EFFECT. This Agreement is binding upon and shall inure to
the benefit of the Corporation, its representatives, successors and assigns, and
to the Employee, heirs and personal representatives and his designated
beneficiaries. The Corporation and the Employee agree to execute any instruments
and to perform any acts which are or may become necessary to effectuate this
Agreement and to fulfill its terms.

         15. PARAGRAPH CAPTIONS. Paragraph and other captions contained in this
Agreement are for reference purposes only and are in no way intended to
describe, interpret, define or limit the scope, extent or intent of this
Agreement or any provision hereof.

<PAGE>

         IN WITNESS WHEREOF, the respective Corporation has caused this
Agreement to be executed by its duly authorized officer and the Employee has
hereunto set his hand and seal as of the date first above written.

ATTEST:                                              POST, BUCKLEY, SCHUH
                                                     & JERNIGAN, INC.

By: /S/ W. SCOTT DELOACH                  By: /S/  H. MICHAEL DYE
   -----------------------------------       -----------------------------------
    W. Scott DeLoach                          H. Michael Dye
    Asst. Secretary

Its      President

ATTEST:                                              THE PBSJ CORPORATION

By: /S/ BECKY S. SCHAFFER                 By: /S/ WILLIAM W. RANDOLPH
   -----------------------------------       -----------------------------------
    Becky S. Schaffer                         William W. Randolph
    Asst. Secretary

                                          Its   Chairman of the Board
                                             -----------------------------------

WITNESS:                                             EMPLOYEE:

              [ILLEGIBLE]                    ROBERT J. PAULSEN
   -----------------------------------       -----------------------------------

   CAROL A. LEUINE
   -----------------------------------

<PAGE>

                                   EXHIBIT "A"

THE SHARES REPRESENTED BY THIS CERTIFICATE WERE ISSUED: (a) UNDER THE PROVISIONS
OF SECTION 83 OF THE INTERNAL REVENUE CODE, AND (b) AS PER TERMS OF AN AGREEMENT
DATED July 29, 1996 BETWEEN SHAREHOLDER (AS NAMED ON THE FACE HEREOF) AND THE
PBSJ CORPORATION (HEREINAFTER "CORPORATION"). THESE SHARES ARE BOTH FORFEITABLE
AND NON-TRANSFERABLE IN THE EVENT THE SHAREHOLDER DOES NOT REMAIN IN THE
CONTINUOUS FULL-TIME EMPLOYMENT OF THE CORPORATION AND/OR ITS SUBSIDIARIES FROM
THE DATE OF ISSUANCE ON THE FACE HEREOF UNTIL July 26, 2008 , EXCEPT IN THE CASE
OF DEATH OR TOTAL DISABILITY (AS DEFINED IN SAID AGREEMENT).

THE BY-LAWS OF THIS CORPORATION CONTAIN RESTRICTIONS, LIMITATIONS, PREFERENCES
AND QUALIFICATIONS INCIDENT TO OWNERSHIP, SALE AND TRANSFER OF THE SHARES
REPRESENTED BY THIS CERTIFICATE INCLUDING, AMONG OTHERS, PURCHASE OPTIONS;
EVALUATION FORMULAS AND PROCEDURES TO DETERMINE PER SHARE SALE/PURCHASE
VALUE/PRICE; INSTALLMENT PAYMENT PROVISIONS AND OPTIONS; OTHER RESTRICTIONS,
LIMITATIONS, PREFERENCES AND QUALIFICATIONS; AND PROVISIONS RESTRICTING,
LIMITING AND BINDING SHAREHOLDER'S GUARDIANS, HEIRS, PERSONAL REPRESENTATIVES,
ASSIGNEES, AND OTHERS RESPECTING THE FOREGOING. COPIES OF SAID BY-LAWS MAY BE
OBTAINED, WITHOUT CHARGE, FROM THE OFFICE OF THIS CORPORATION. NO TRANSFER SHALL
BE VALID OR SHALL BE REGISTERED ON THE BOOKS OF THE CORPORATION OF ANY SHARES
UPON WHICH THE SHAREHOLDER IS INDEBTED TO THE CORPORATION. NO TRANSFER SHALL BE
VALID OR BE REGISTERED ON THE BOOKS OF THE CORPORATION WITHOUT THE ORDER OF THE
BOARD OF DIRECTORS.

<PAGE>

                                   EXHIBIT "B"

FEDERAL INCOME TAX CONSEQUENCES

IN THE CASE OF RESTRICTED STOCK, AN EMPLOYEE WILL GENERALLY NOT BE DEEMED TO
HAVE REALIZED TAXABLE INCOME UPON RECEIPT OF SUCH SHARES. AN EMPLOYEE WILL
REALIZE ORDINARY INCOME ON THE DATE ON WHICH THE RESTRICTED STOCK IS NO LONGER
SUBJECT TO FORFEITURE, IN AN AMOUNT EQUAL TO THE FAIR MARKET VALUE OF THE SHARES
ON THAT DATE.

AS AN ALTERNATIVE, AN EMPLOYEE MAY ELECT, UPON THE RECEIPT THEREOF, TO INCLUDE
IN HIS GROSS INCOME IN THAT YEAR THE FAIR MARKET VALUE OF SUCH SHARES AT THE
TIME THEY ARE ISSUED. SUCH AN ELECTION MUST BE MADE WITHIN 30 DAYS AFTER THE
DATE OF THE ISSUANCE OF RESTRICTED STOCK AND MAY NOT BE REVOKED BY THE EMPLOYEE
EXCEPT WITH THE CONSENT OF THE INTERNAL REVENUE SERVICE. IN THE EVENT THAT AN
ELECTION IS MADE AND THE RESTRICTED STOCK IS SUBSEQUENTLY FORFEITED, AN EMPLOYEE
WILL NOT BE ENTITLED TO A DEDUCTION WITH RESPECT TO THE FORFEITURE.

THE CORPORATION WILL BE ENTITLED TO A DEDUCTION FOR THE AMOUNT INCLUDED IN THE
ORDINARY INCOME OF THE EMPLOYEE IN THE YEAR IN WHICH SUCH INCLUSION OCCURS.EXHIBIT 10.6

                    EMPLOYMENT/RETIREMENT BENEFITS AGREEMENT

         THIS AGREEMENT (the "Agreement") is entered into as of the 15th day of
February, 1999, by and between POST, BUCKLEY, SCHUH & JERNIGAN, INC., THE PBSJ
CORPORATION, Florida corporations with principal offices in Miami, Florida
(together hereinafter referred to as the "Corporation"), and WILLIAM W.
RANDOLPH, 26 Hunting Lodge Drive, Miami Springs, Florida 33166 (hereinafter
referred to as the "Employee").

         WHEREAS, the Corporation is engaged in the business of rendering
engineering services as well as allied professional services; and

         WHEREAS, the Employee has been employed continuously by the Corporation
since August 14, 1967, has served as an officer and director for many years and
has been instrumental in the development, expansion and success of the business
of the Corporation; and

         WHEREAS, the Corporation, through its Board of Directors, recognizes
that the future services of the Employee will be of great value to the
Corporation, and

         WHEREAS, the Employee is willing to continue in the employ of the
Corporation for the period specified in this Agreement and on the terms and
conditions herein set forth; and

         WHEREAS, the Corporation and the Employee desire to replace that
certain employment and consulting agreement between the Corporation and the
Employee, dated September 24, 1986, as amended, with this Agreement; and

                                       1
<PAGE>

         WHEREAS, the Corporation desires to provide to the Employee the
additional benefits specified in this Agreement.

         NOW, THEREFORE, in consideration of the mutual covenants herein
contained, the parties hereto agree as follows:

         1. Employment.

            (a) The Corporation agrees to employ the Employee and the Employee
agrees to serve the Corporation, during the employment terms specified in
paragraph 2 hereof in an executive capacity. The Employee and the Corporation
must mutually agree to any work assignments during the third term of Employment,
Paragraph 2(c). The Employee will not be required to perform any services
hereunder which will necessitate moving his residence from Miami Springs,
Florida, unless he agrees, in writing, to such relocation.

         2. Employment Term and Compensation.

            (a) The first term of employment of the Employee shall continue from
the date of this Agreement until December 31, 1999. For this full-time service,
the Corporation shall pay to the Employee the amount of $226,000 per annum.

            (b) The second term of employment shall commence on January 1, 2000
and continue until December 31, 2000. For this part-time service, the
Corporation shall pay to the Employee an amount equal to sixty percent (60%) of
the Employee's 1999 compensation as salary and a bonus amount equal to sixty
(60%) percent of the average of the three highest executive officers' bonuses
for the fiscal year 2000.

                                       2
<PAGE>

            (c) The third term of employment shall commence on January 1, 2001
and continue until March 1, 2005. For this part time service, the Corporation
shall compensate the Employee at the rate of One Thousand Dollars ($1000.00) per
day for each day or portion thereof, including travel and preparation time, when
authorized by the Corporation in writing. There shall be no compensation for
time spent during the first forty-five (45) days of work authorized by the
Corporation each year during the Years 2001 and 2002 or to attend Board
meetings.

         3. Termination of Employment.

            (a) Upon the Employee's termination of employment for cause by the
Corporation under this paragraph 3, the Corporation shall commence supplemental
income payments hereunder. Cause shall mean (I) fraud or misappropriation of
corporate funds; or (ii) conviction of a felony involving moral turpitude and
such conviction is no longer subject to direct appeal.

            (b) The Employee's employment with the Corporation shall not be
deemed to have been terminated because of the Employee's absence or the failure
of the Corporation to authorize work assignments.

         4. Retirement Term and Compensation.

            The Retirement Term shall commence on March 2, 2005 and continue for
eleven (11) years until March 1, 2016. During the retirement term, the
Corporation shall compensate the Employee at the rate of One Thousand Dollars
($1000.00) per day for each day or portion thereof, including travel and
preparation time, when authorized by the

                                       3
<PAGE>

Corporation in writing. There shall be no compensation for time spent to attend
Board meetings.

            In the event of the death or disability of the Employee during the
Retirement Term or during the third term of the Employment Term (2(c), the
Corporation shall pay the Employee's wife the sum of Twenty-five thousand
($25,000.00) per annum, paid quarterly, for the remainder of the Terms through
December 31, 2015. This sum shall be adjusted by the lesser of the CPI or three
per cent (3%) each January 1st, commencing on January 1, 2000.

         5. Expenses During Employment and Retirement Term

            The Corporation shall reimburse the Employee for all reasonable
expenses incurred by him during the employment term and the eleven (11) year
retirement term.

            Reasonable expenses shall include but are not limited to those items
currently provided to the Employee, in accordance with policies of the
Corporation:

               (a) Cellular Telephone (one).

               (b) State-of-the-Art Computer (new unit every three years).

               (c) Internet Access Charges.

               (d) Professional/Financial Newspapers and Magazines.

               (e) Airline Club Membership (one).

               (f) Inclusion as American Airlines Platinum Tier member (or
equivalent at another airline).

               (g) Budget Rental Car Optimum level (or equivalent at another
company).

                                       4
<PAGE>

               (h) Annual Tax Return Preparation.

               (i) Annual Physical Exam.

               (j) Use of Breckenridge Condominium for two weeks per year
including one week during ski season.

               (k) Automobile lease including insurance, tag, maintenance and
repairs.

               (l) Air fare; business (or first class where business is not
available).

            Expenses of the Employee under sub paragraphs 5(k) and 5(l) shall be
limited to Twenty-five Thousand ($25,000.00) dollars per annum. This sum shall
be adjusted by the lesser of the CPI or three per cent (3%) each January 1st,
commencing on January 1, 2000.

         6. Competition.

            The Employee agrees to not compete with the Corporation.

         7. Insurance Benefits.

            As additional compensation to the Employee for services performed
before the Employee's retirement, the Corporation shall continue to pay for and
provide to the Employee and his wife, for so long as either of them shall live,
major medical and hospitalization insurance benefits of equal coverage and
substantially similar to those major medical and hospitalization insurance
benefits paid for and provided to senior executives of the Corporation. The
Corporation and the Employee hereby agree that said lifetime insurance coverage
is in the nature of supplemental income to the Employee, without any additional
services from the Employee to the Corporation.

                                       5
<PAGE>

         8. Arbitration. Any controversy or claim arising out of or relating to
this Agreement, or the breach thereof, shall be settled by arbitration conducted
by and in accordance with the rules then in existence of the American
Arbitration Association. Judgment upon the award rendered by the arbitrators may
be entered in any court having jurisdiction thereof.

         9. Liability Insurance Coverage. The Corporation shall provide coverage
to and for the Employee, as a named insured, under any Architects/Engineers
Professional Liability, General Liability, and Directors and Officers Liability
Insurance policies maintained by the Corporation. Said coverage provided to the
Employee shall be coextensive with coverage to the Corporation both as to amount
and description of services covered. The term and length of coverage under said
policy shall extend to liability as a result of services performed by the
Employee pursuant to this Agreement. The Corporation shall pay all deductible or
first tier costs of any claim made against the Employee.

         10. Governing Law. This Agreement shall be construed in accordance with
and governed by the laws of the State of Florida (without regard to the
conflicts of laws thereof). All lawsuits and other proceedings related to this
Agreement or the transactions herein described shall be commenced and held in
Miami-Dade County, Florida and the Employee waives all rights to object to the
laying of venue in such jurisdiction. In the event of any litigation or
arbitration arising by virtue of this Agreement, the prevailing party shall be
entitled to an award of all court costs, litigation and arbitration expenses and
attorneys' fees at both trial and appellate levels.

                                       6
<PAGE>

         11. Notices. Any notice, payment, demand or communication required or
permitted to be given by any provision of this Agreement shall be in writing and
shall be deemed to have been delivered and given for all purposes, if delivered
personally to the party or to an officer of the party to whom the same is
directed, or, whether or not the same is actually received, if sent by
registered or certified mail, postage and charges prepaid, properly addressed to
the addressee's last known address.

         12. Claims Procedure. In the event Employee (or Beneficiary) does not
receive a distribution of benefits to which he or she believes he or she is
entitled, he or she may present a claim to the Board of Directors of the
Corporation. The claim for benefits must be in writing and addressed to the
Corporation. If the claim for benefits is denied, the Corporation shall notify
the Employee (or Beneficiary) of the basis for the denial, any additional
material or information necessary for the Employee (or Beneficiary) to perfect
his or her claim, and the steps which the Employee (or Beneficiary) must take to
have the claim for benefits reviewed.

             If a claim for benefits has been denied, Employee (or Beneficiary)
may file a written request for a review of his or her claim by the Board of
Directors. The decision of the Board of Directors shall be made within sixty
(60) days after receipt of a request for review and shall be communicated in
writing to the claimant. Such written notice shall set forth the basis for the
Board of Directors' decision. If there are special circumstances (such as the
need for a hearing) which require an extension of time for completing the
review, the Board of Directors' decision shall be rendered not later than one
hundred twenty (120) days after receipt of a request for a review.

                                       7
<PAGE>

         13. Integrated Agreement. This Agreement constitutes the entire
understanding and agreement among the parties hereto with respect to the subject
matter hereof, and there are no agreements, understandings, restrictions,
representations or warranties among the parties other than those set forth
herein.

         14. No Oral Modification. No modification or waiver of this Agreement
or any part hereof shall be valid or effective unless in writing and signed by
the party or parties sought to be charged therewith. No waiver of any breach or
condition of this Agreement shall be deemed to be a waiver of any breach or
condition of this Agreement or of any other subsequent breach or condition,
whether of like or different nature.

         15. Binding Effect. This Agreement is binding upon and shall inure to
the benefit of the Corporation, its representatives, successors and assigns, and
to the Employee, heirs and personal representatives and his designated
beneficiaries. The Corporation and the Employee agree to execute any instruments
and to perform any acts which are or may become necessary to effectuate this
Agreement and to fulfill its terms.

         16. Paragraph Captions. Paragraph and other captions contained in this
Agreement are for reference purposes only and are in no way intended to
describe, interpret, define or limit the scope, extent or intent of this
Agreement or any provision hereof.

         IN WITNESS WHEREOF, the respective Corporation has caused this
Agreement to be executed by its duly authorized officer and the Employee has
hereunto set his hand

                                       8
<PAGE>

and seal as of the date first above written.

                                    POST, BUCKLEY, SCHUH &
                                    JERNIGAN, INC.

ATTEST

By /s/ BECKY S. SCHAFFER            By /s/ RICHARD A. WICKETT
   ---------------------------         -----------------------------------------
       Becky S. Schaffer                   Richard A. Wickett
       Assistant Secretary                 Senior Executive Vice President
                                           Chief Financial Officer

                                    THE PBSJ CORPORATION

ATTEST

By /s/ BECKY S. SCHAFFER            By /s/ H. MICHAEL DYE
   ---------------------------         -----------------------------------------
       Becky S. Schaffer                   H. Michael Dye
       Assistant Secretary                 President & Chief Operating Officer

                                    EMPLOYEE

WITNESS:

/s/ BECKY S. SCHAFFER               /s/ WILLIAM W. RANDOLPH
------------------------------      --------------------------------------------
                                        William W. Randolph

                                       9

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