Document:

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                                                                EXHIBIT (10)(bb)

                  FIFTH AMENDMENT TO ASSET MANAGEMENT AGREEMENT

         This Fifth Amendment to Asset Management Agreement, dated as of October
23, 2000 (this "Fifth Amendment"), is entered into by and between Radiant
Partners, LLC, a New York limited liability company (the "Manager"), and First
Union Real Estate Equity and Mortgage Investments (the "Company").

                                    RECITALS

         1.       The Manager and the Company executed an Asset Management
                  Agreement, dated as of March 27, 2000;

         2.       The Manager and the Company executed a first amendment to the
                  Asset Management Agreement, dated as of May 31, 2000, a second
                  amendment to the Asset Management Agreement, dated as of June
                  16, 2000, a third amendment to the Asset Management Agreement,
                  dated as of August 17, 2000 and a fourth amendment to the
                  Asset Management Agreement, dated as of September 15, 2000 (as
                  amended, the "Agreement"); and

         3.       The parties hereto have determined to enter into this Fifth
                  Amendment for purposes of further amending the Agreement.

         NOW, THEREFORE, in consideration of the premises and mutual covenants
and agreements set forth herein, and for other consideration the adequacy of
which is hereby acknowledged, the parties hereby agree as follows:

         A.       Clause (v) of Article III(a) of the Agreement is deleted in
                  its entirety and replaced by the following clause (v) of
                  Article III(a):
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                      (v) at the election of either party, any time prior to
                          February 15, 2001, upon thirty (30) days prior
                          written notice to the other party.

         B.       The Agreement, as amended by this Fifth Amendment, constitutes
                  the entire agreement between the parties with respect to the
                  subject matter hereof.

         C.       Unless otherwise provided herein, capitalized terms herein
                  shall have the meanings ascribed to them in the Agreement.

         D.       Except as otherwise provided in this Fifth Amendment to the
                  contrary, the terms and conditions of the Agreement as amended
                  by this Fifth Amendment shall remain in full force and effect.

         E.       In any case in which the terms of this Fifth Amendment are
                  inconsistent with the terms of the Agreement, the terms of
                  this Fifth Amendment shall govern.

                                      -2-
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         IN WITNESS WHEREOF, the undersigned have executed this Fifth Amendment
as of the date first above written.

                                 FIRST UNION REAL ESTATE EQUITY
                                 and MORTGAGE INVESTMENTS

                                 By: /s/ William A. Ackman
                                     ------------------------------------
                                     William A. Ackman, Chairman

                                 RADIANT PARTNERS, LLC

                                 By: /s/ Daniel P. Friedman
                                     ------------------------------------
                                     Daniel P. Friedman, Managing Member

                                      -3-<PAGE>   1
                                                                EXHIBIT (10)(cc)

                      FIRST AMENDMENT TO CONTRACT OF SALE

         This First Amendment to the Contract of Sale (this "First Amendment")
is made and entered into as of this 29th day of September, 2000 by and among 55
Public LLC, North Valley Tech, LLC, Southwest Shopping Centers Co. I, L.L.C.,
First Union Madison L.L.C., Printer's Alley Garage, LLC, First Union Real Estate
Equity and Mortgage Investments and First Union Commercial Properties Expansion
Company, collectively as "Seller," and Radiant Investors LLC, as "Purchaser."

         WHEREAS, the Seller and the Purchaser have entered into a Contract of
Sale dated as of the 15th day of September, 2000 (the "Agreement") with respect
to the sale and purchase of the properties known as 55 Public Square/CEI
Building, Cleveland Ohio; North Valley Tech Center, Thornton, Colorado; Westgate
Business Center, Abilene, Texas; Madison & Wells Garage, Chicago, Illinois;
Printer's Alley Garage, Nashville, Tennessee; Pecanland Mall, Monroe, Louisiana;
West 3rd Street Lot, Cleveland, Ohio; Long Street Lot, Columbus, Ohio, 5th &
Marshall Garage, Richmond, Virginia; Two Rivers Business Center, Clarksville,
Tennessee and Huntington Garage, Cleveland, Ohio (collectively, the "Premises");

         WHEREAS, the Seller and the Purchaser desire to modify and amend the
Agreement as hereinafter set forth in this First Amendment, the provisions of
this First Amendment being paramount and the Agreement being construed
accordingly;

         NOW THEREFORE, the parties hereto do hereby agree that the Agreement is
modified and amended as hereinafter set forth:

1.       All capitalized terms herein, unless otherwise defined, shall have the
         meaning ascribed in the Agreement.

2.       Section 2(a) of the Agreement is modified by providing that Schedules
         B-1 and B-2 will be provided by the parties and annexed to the
         Agreement on or before the Closing Date.

3.       Section 2(a)(vi) of the Agreement is modified by providing at the end
         thereof a new Section (C) as follows:

         (C) Notwithstanding the provisions of Sections 2(a)(ii), 2(a)(vi)(A)
         and 2(a)(vi)(B) to the contrary, unless and until Purchaser has
         obtained firm commitments for Acceptable Financing (as such term is
         defined in the JV Agreement), Purchaser at its option may elect to
         terminate the Agreement on or before October 26, 2000 and the Sellers
         shall receive the amount set forth at Section 2(a)(vi)(A) and the
         balance of the Deposit shall be paid to Purchaser. In such event,
         Purchaser shall deliver to Sellers each Study and all reliance letters
         thereto in accordance with the provisions of Section 2(a)(vi)(A).
         Purchaser shall regularly advise Seller of its progress in obtaining
         Acceptable Financing.
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4.       Section 2(b) of the Agreement is modified to provide that Seller will
         accept a Letter of Credit from Fleet Bank, provided that same may be
         presented for payment at one of its New York City branches.

5.       Section 2(c) of the Agreement is modified to provide that the Westgate
         financing is in the amount of $8,500,000.00, of which $7,500,000.00 is
         to be advanced at Closing, and $1,000,000.00 is to be held in escrow.

6.       Schedule A-6 of the Agreement will be modified to reflect the accurate
         description of the Pecanland Mall Adjacent Land as and when the survey
         has been received and the new metes and bounds description has been
         provided by the Title Company.

7.       Section 3 of the Agreement is modified by providing at the end thereof
         a new Section 3(q) as follows:

         (q) Notwithstanding anything in Section 3(a) or 4(c) to the contrary,
         in the event and to the extent the revised metes and bounds description
         of the Pecanland Mall Adjacent Land referenced in paragraph 6 above
         results in a Title Company continuation of the Title Report referenced
         at Schedule G-1(iv) of the Agreement containing a new exception to
         title (not disclosed on the Title Report received as of the date
         hereof) having a material adverse effect on any Pecanland Mall Adjacent
         Land, Purchaser may exercise those options set forth at Section 3(p)
         with respect to such Pecanland Mall Adjacent Land.

8.       Except as modified hereby, the Agreement shall remain in full force and
         effect.

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                                 SELLERS:

                                 55 PUBLIC LLC, a Delaware limited liability
                                 company

                                 By:  55 PUBLIC REALTY CORP.,  a Delaware
                                 corporation, Managing Member

                                 By: /s/ William A. Scully
                                     ------------------------------------
                                         Name: William A. Scully
                                         Title: Authorized Signatory

                                 NORTH VALLEY TECH LLC, a Delaware limited
                                 liability company

                                 By:     NVT Corp., a Delaware corporation, its
                                 Managing Member

                                 By: /s/ William A. Scully
                                     ------------------------------------
                                         Name: William A. Scully
                                         Title: Authorized Signatory

                                 SOUTHWEST SHOPPING CENTERS CO. I, L.L.C.,
                                 a Delaware limited liability company

                                 By:     First Union Southwest L.L.C., a
                                 Delaware limited liability company, its
                                 manager

                                 By:     First Southwest I, Inc., a Delaware
                                 corporation, its manager

                                 By: /s/ William A. Scully
                                     ------------------------------------
                                         Name: William A. Scully
                                         Title: Authorized Signatory

                                 FIRST UNION MADISON L.L.C., an Illinois
                                 limited liability company

                                 By:     First Union Real Estate Equity and
                                 Mortgage Investments, and Ohio business trust,
                                 its member

                                 By: /s/ William A. Scully
                                     ------------------------------------
                                     Name: William A. Scully
                                     Title: Authorized Signatory

                                       3
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                                 PRINTER'S ALLEY GARAGE, LLC, a Delaware
                                 limited liability company

                                 By:     First Union Real Estate Equity and
                                 Mortgage Investments, an Ohio business trust,
                                 its managing member

                                 By: /s/ William A. Scully
                                     ------------------------------------
                                     Name: William A. Scully
                                     Title:   Authorized Signatory

                                 FIRST UNION REAL ESTATE EQUITY AND MORTGAGE
                                 INVESTMENTS, an Ohio business trust

                                 By: /s/ William A. Scully
                                     ------------------------------------
                                     Name: William A. Scully
                                     Title:   Vice Chairman

                                 FIRST UNION COMMERCIAL PROPERTIES EXPANSION
                                 COMPANY

                                 By: /s/ William A. Scully
                                     -----------------------------------
                                     Name: William A. Scully
                                     Title:   Authorized Signatory

                                 PURCHASER:

                                 RADIANT INVESTORS LLC, a Delaware limited
                                 liability company

                                 By: /s/ Daniel P. Friedman
                                     ------------------------------------
                                     Name: Daniel P. Friedman
                                     Title:  Managing Member

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