EXHIBIT 10.4 (a)

                                    AMENDMENT
                                       TO
                         CB&I DEFERRED COMPENSATION PLAN

         CB&I ("Company"), by a duly authorized officer of the Company and a
Managing Director of CB&I B.V., pursuant to Section 8.7 of the CB&I Deferred
Compensation Plan (the "Plan"), hereby amends Section 4.4 of the Plan to read as
follows:

         4.4      Income (or Loss) on Credits. For purposes of determining
                  income (or loss) on a Participant's Account, the Account
                  shall be deemed invested in such Measurement Funds as the
                  Participant may designate from time to time under procedures
                  established by the Plan Administrator. The designation of
                  Measurement Funds from time to time shall apply to all
                  deferrals (of Salary and bonus) and to the Participant's
                  entire Account, until changed. Designation of Measurement
                  Funds shall be in whole percentages of a participant's
                  deferrals, or of the balance of his or her Account, which
                  percentages shall add up to 100%. If the Participant does not
                  otherwise designate a Measurement Fund under procedures
                  established by the Plan Administrator, his or her Account
                  shall be deemed invested in the Summit Cash Reserve Fund.

                  As of any Change Date, a Participant may change the
                  designation or allocation of Measurement Funds to determine
                  income (or loss) on future credits of deferred compensation,
                  or may change the existing allocation of his or her Account
                  among Measurement Funds, under procedures established by the
                  Plan Administrator to implement such changes.

                  For purposes of determining income (or loss), a Participant's
                  deferred compensation shall be deemed to have been invested in
                  Measurement Funds as soon as reasonably practicable after the
                  date as of which they are credited under Section 4.1, and in
                  all events by the fifteenth (15th) business day of the month
                  after the month in which they are credited under Section 4.1.
                  For purposes of determining income (or loss), a Participant's
                  Account shall be deemed to have been reinvested in the
                  newly-designated Measurement Funds as soon as reasonably
                  practicable under the procedures established by the Plan
                  Administrator to implement such changes.

                                        CB&I

                                        By:   _________________________

                                        Title: ________________________

                                        Date: _________________________