Document:

STOCK PURCHASE AGREEMENT

THIS AGREEMENT dated as of June 21, 2002 is by and between Gennaro Mugnano,
("Seller"), and Raptor Investments, Inc. a Florida corporation ("Buyer") .

WITNESSETH:

WHEREAS, Seller owns 100% of the issued and outstanding common capital stock of
J & B Wholesale Produce, Inc., a Florida Corporation (the "Stock") and Buyer
wishes to purchase the Stock from Seller on the terms and subject to the
conditions noted below, and

NOW, THEREFORE, in consideration of the mutual representations, warranties and
covenants contained herein, Seller and Buyer agree as follows:

SECTION 1- Sale of Stock

1.1 Upon the terms and subject to the conditions hereof, and in accordance with
the Laws of the State of Florida ("FLCL"), Seller shall sell and Buyer shall buy
all of the Stock. (the "Sale"). The shares shall be owned in all respects by
Seller until the consideration is paid in full. Following the Sale, J & B
Wholesale Produce, Inc. ("J & B") shall become a wholly owned subsidiary of
Buyer. Following the Sale, the capital stock of Buyer shall remain unchanged,
and both J & B and Buyer shall remain incorporated subject to their Articles of
Incorporation and By-Laws.

1.2 Effective Time. As soon as practicable after satisfaction or waiver of all
conditions to the Sale, the parties shall take all such further actions as may
be required by law to make the Sale effective. (the "Effective Time").
Immediately prior to the Sale, a closing (the "Closing") will be held at the
offices of Don A. Paradiso, P.A., (or such other place as the parties may agree)
for the purpose of confirming satisfaction or waiver of all conditions to the
Sale. Subject to satisfaction or waiver of each of the conditions specified in
Sections 6, 7 and 8 hereof, the Closing shall take place within three business
days after the last to occur of:

(a) the day the Sale is approved by the Directors of Buyer; or

(b) the day the issuance of the Consideration (as defined below) is approved by
the Board of Directors of Buyer; or on such other date as the parties may agree,
but not later than July 15, 2002. The date on which the Closing occurs is
referred to herein as the "Closing Date".

1.3 Effects of the Sale. The Sale shall have the effects set forth in the FLCL.

1.4 Directors and Officers. The directors and officers of J & B immediately
before the Closing shall resign at the Closing. Buyer shall appoint the new
officers and directors at closing.

                                       -1-

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1.5 Consideration.

(a) For purposes of this Agreement, "Consideration" means $2,325,000., payable
upon Closing in cash or cash equivalents.

(b) At the Closing, by virtue of the Sale and payment of the full consideration,
all shares of Common Stock of J & B, outstanding immediately prior to the
Effective Time, shall be owned by Buyer.

(c) The Consideration shall be adjusted in the event of any change in the J & B
Securities by reason of a stock split, stock re-capitalization, combination or
subdivision of J & B Securities, merger or other exchange of shares by operation
of law or the like occurring after the date of this Agreement and before the
Effective Time, such that, after the record date therefore the Consideration
shall be equal to the number and class of shares or other securities or property
that would have been received in respect of J & B Securities, as the case may
be, if the Effective Time had occurred immediately prior to such record date.

(d) Seller represents and warrants that on the day of closing, accounts
receivable to J & B shall equal at least $650,000. and inventory shall equal at
least $100,000.

1.6 Closing of J & B Transfer Books. At the Effective Time, the securities
transfer books of J & B shall be closed and no transfer of J & B Securities
shall thereafter be made. If, after the Effective Time, certificates
representing J & B Securities are presented to the Buyer, they shall be
canceled.

SECTION 2- REPRESENTATIONS AND WARRANTIES OF SELLER

SELLER represents and warrants to BUYER as set forth below:

2.1 Organization and Qualification. J & B is a corporation duly organized,
validly existing and in good standing under the laws of Florida and has full
corporate power and authority to own, lease and operate its assets. J & B does
not own any capital stock of any corporation or any interest in any other
entity. J & B is qualified, licensed or is otherwise authorized to transact
business as a foreign corporation and is in good standing in each jurisdiction
(in the United States and outside of the United States) in which the failure to
be so qualified, licensed or otherwise authorized to transact business and in
good standing would have a material adverse effect on the business or financial
condition of J & B.

                                       -2-

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2.2 Capitalization.

2.2.1 Outstanding Capital Stock. Immediately prior to Closing, J & B's
authorized capital stock shall consist of 1000 shares of Common Stock, $1.00 par
value per share, of which 1000 shares will be issued. All shares of J & B Common
Stock will be duly authorized, validly issued, fully paid and non-assessable,
issued in compliance with all charter documents of J & B and all federal and
state laws. There are no restrictions on the transfer of J & B's Securities
other than those arising from securities laws.

2.2.2 Options or Other Rights. No subscription, warrant, option, preemptive
right, convertible security or other right (contingent or otherwise) to purchase
or acquire any shares of capital stock or other security of J & B is authorized
or outstanding.

2.3 Authority to Execute and Perform Agreements. Seller and J & B have the
corporate power and authority to execute this Agreement and each document and
instrument contemplated by this Agreement, to consummate the transactions
contemplated hereby and thereby and to perform fully its obligations. The
execution, delivery and performance of this Agreement have been duly authorized
by all necessary corporate action on the part of J & B. The Board of Directors
of J & B has adopted a resolution approving this Agreement.

2.4 Subsidiaries and Other Affiliates. J & B does not have any subsidiary or
directly or indirectly own or have any investment in any of the capital stock
of, or any other interest in, any other entity.

2.5 Certificate of Incorporation and Bylaws, Books and Records. J & B has
heretofore delivered or made available to Buyer true and complete copies of its
Certificate of Incorporation, as amended (certified by the Secretary of State of
Florida) and Bylaws as in effect on the date hereof and corporate minute books.
J & B is not in default in the performance, observation or fulfillment of either
its Certificate of Incorporation, as amended, or Bylaws. The minute books of J &
B contain true and complete records of all meetings and consents in lieu of
meetings of the Board of Directors and of the stockholders prior to the date
hereof, and accurately reflect all transactions referred to in such minutes and
consents in lieu of meetings.

2.6 Absence of Payables and other Liabilities. Seller represents that on the day
of closing, after receipt of the Consideration from Buyer, J & B shall have no
liabilities (either individually or in the aggregate) of any nature, whether
accrued, absolute, contingent or otherwise (including without limitation,
liabilities as guarantor or otherwise with respect to obligations of others or
liabilities for taxes due or then accrued), or accounts payable for which
provision for payment has not been made.

                                       -3-

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2.7 Tax Matters.

(a) All taxes required to be paid by J & B, whether or not shown on any Tax
Return, have been paid or J & B has adequately provided reserves). No claim has
been made in any jurisdiction that J & B is or may be subject to taxation by
that jurisdiction. J & B has never been a member of any group required to file
any affiliated, combined, consolidated, or unitary Tax Return.

(b) There are no liens or other encumbrances with respect to Taxes upon any of
the assets or properties of J & B, other than with respect to Taxes not yet due
and payable.

(c) No deficiency for any Taxes has been proposed in writing against J & B,
which deficiency has not been paid in full. There are not ongoing or, to the
knowledge of J & B, threatened any audits, examinations, investigations or other
proceedings in respect of Taxes or Tax matters which could result in any tax
deficiency of J & B for any taxable period ending on or before the date hereof,
and J & B knows of no basis for the assertion of such a deficiency. No issue
relating to J & B involving any Tax for which J & B might be liable has been
resolved in favor of any taxing authority in any audit or examination which, by
application of the same principles applied in the resolution of such issue,
could reasonably be expected to result in a deficiency for Taxes of J & B for
any period for which the applicable statute of limitations has not expired.

(d) There are no outstanding agreements, waivers or arrangements extending the
statutory period of limitation applicable to any claim for, or the period for
the collection or assessment of, Taxes due from or with respect to J & B for any
taxable period, and no power of attorney granted by or with respect to J & B
relating to Taxes is currently in force.

(e) To the best of it's knowledge, J & B has not been and is not currently in
violation (or, with or without notice or lapse of time or both, would be in
violation) of any applicable law or regulation relating to the payment or
withholding of Taxes, and all withholding and payroll Tax requirements required
to be complied with by J & B up to and including the date hereof have been
satisfied.

(f) J & B is not and has never been a party to or bound by, nor does it have or
has it ever had any obligation under, any Tax sharing agreement or similar
contract or arrangement.

As used in this Agreement, (1) "Tax Return" means any return, declaration,
report, claim for refund, information return, or statement, and any schedule,
attachment, or amendment thereto, including without limitation any consolidated,
combined or unitary return or other document (including any related or
supporting information), filed or required to be filed by any taxing authority
in connection with the determination, assessment, collection, imposition,
payment, refund or credit of any federal, state, local or foreign Tax or the
administration of the laws relating to any Tax, and (ii) "Tax" or "Taxes" means
any and all taxes, charges, fees, levies, deficiencies or other assessments of
whatever kind or nature including, without limitation, all net income, gross
income, profits, gross receipts, excise, real or personal property, sales, ad
valorem, withholding, social security, retirement, excise, employment,
unemployment, minimum estimated, severance, stamp, property, occupation,
environmental, windfall profits, use, service,

                                       -4-

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net worth, payroll, franchise, license, gains, customs, transfer, recording and
other taxes, customs, duty, fees, assessments or charges of any kind whatsoever,
imposed by any taxing authority, including any liability therefore as a
transferee under Section 6901 of the Code or any similar provision of applicable
law, as a result of Treasury Regulation Section 1.1502-6 or any similar
provision of applicable law, or as a result of any Tax sharing or similar
agreement, together with any interest, penalties or additions to tax relating
thereto.

2.8 Compliance with Laws.

To the knowledge of Seller and J & B, J & B is not in violation of or in default
under, in any material respect, any order, judgment, injunction, award or
decree, or any federal, state, local or foreign law, ordinance or regulation or
any other requirement of any governmental or regulatory body, court or
arbitrator, and is in compliance in all material respects with all of the
foregoing that are applicable to it, its business or its assets. J & B has not
received notice of, and there has not been any citation, fine or penalty imposed
or asserted against it for, any such violation or alleged violation that has not
been favorably and fully resolved.

2.9 Tangible Property. To the knowledge of Seller and J & B, J & B has good and
marketable title to, or valid leasehold interests or otherwise has the
unrestricted right to use, free and clear of any liens, claims, mortgages,
encumbrances, pledges, security interests, equities and charges of any kind
(each an "Encumbrance") each item of equipment, furniture, vehicles, any related
capitalized items and other tangible property material to the business of J & B
("Tangible Property") other than (i) any statutory Encumbrance arising in the
ordinary course of business by operation of law with respect to a liability that
is not yet due or delinquent and (ii) any minor imperfection of title or similar
Encumbrance which individually or in the aggregate with other such Encumbrances
does not materially impair the value of the property or asset subject to such
Encumbrances or the use of such property or asset in the ordinary conduct of
business. All such Tangible Property is in good and sufficient operating
condition and repair, ordinary wear and tear excepted, and to the best knowledge
of Seller and J & B, J & B has not received notice that any of its Tangible
Property is in violation of any existing law or any building, zoning, health,
safety or other ordinance, code or regulation.

2.10 Intellectual Property.

(a) To the knowledge of Seller and J & B, J & B owns, or is licensed to use, or
otherwise has the right to use all patents, trademarks, service marks, trade
names, trade secrets, logos, franchises, and copyrights, and all applications
for any of the foregoing, and all technology, inventions, trade secrets,
know-how, computer software and processes to the extent material to the conduct
of its business as now conducted (collectively, the "Proprietary Rights").

2.11 Title to Assets-Liens. To the knowledge of Seller and J & B, J & B has good
and marketable title to or valid leasehold interests in or otherwise has the
right to use all of its material assets and properties.

                                       -5-

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SECTION 3- REPRESENTATIONS AND WARRANTIES OF BUYER

Buyer represents and warrants to Seller as set forth below:

3.1 Organization and Qualification. Buyer is a corporation duly organized,
validly existing and in good standing under the laws of the state or other
jurisdiction of its incorporation and has full corporate power and authority to
own, lease and operate its assets, properties and business and to carry on its
business as now being and as heretofore conducted. Buyer is licensed or is
otherwise authorized to transact business as a foreign corporation and is in
good standing in each jurisdiction (in the United States and outside of the
United States) in which the failure to be so qualified, licensed or otherwise
authorized to transact business and in good standing would have a material
adverse effect on the business or financial condition of Buyer.

3.2 Authority to Execute and Perform Agreements. Buyer has the requisite
corporate power and authority to execute and deliver this Agreement, and each
document and instrument contemplated by this Agreement to which it is a party,
to consummate the transactions contemplated hereby and thereby and to perform
fully its respective obligations hereunder and there under. The execution,
delivery and performance of this Agreement and each such other agreement,
document and instrument to which Buyer is a party and the consummation of the
transactions contemplated hereby and thereby have been duly authorized by all
necessary corporate action on the part of Buyer. The Board of Directors of Buyer
has adopted a resolution approving this Agreement.

SECTION 4 -COVENANTS AND CONDITIONS.

The parties covenant and agree as follows:

4.1 Consummation of Agreement.

(i) The obligation of each party hereto is subject to the execution, at Closing,
of a Lease with Option to Purchase between Gennaro Mugnano and Barbara Mugnano
as Lessors and J & B and Buyer as Lessee, whereby Lessee shall lease from
Lessors that certain parcel of real estate in Pompano Beach, Florida from which
J & B operates its business, on a "Net/Net" basis, for a lease period of one
year from the date of Closing, at a monthly lease rate of $_________, and upon
the conclusion of the lease term, or at such earlier time as the Lessee in its
sole discretion shall designate, Lessee shall have the right to purchase from
Lessor the said real property for $875,000., of which $500,000. has been paid at
closing as a non-refundable option to purchase the said real property. Proceeds
will be payable, first, directly toward retirement of that certain Note and
Mortgage between Lessors and Bank of America, Loan Number 00219982941308, and
then to Lessors. During the term of the lease, Lessors covenant to make all
payments under the aforesaid Note and Mortgage promptly as they become due, and
to keep the real property which is the subject of the Note and Mortgage free
from all other (or further) encumbrances of any kind whatsoever. If Buyer and
Seller fail to execute the Lease with Option to Purchase, then Buyer and Seller
each shall be released from any further obligation or liability under the terms
of this Agreement.

                                       -6-

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(ii) Each party shall use all reasonable efforts to perform and fulfill all
conditions and obligations to be performed and fulfilled by it under this
Agreement. If this Agreement does not close each party hereto shall bear its own
costs and expenses.

4.2 Further Assurances. Each of the parties shall execute such documents,
further instruments of transfer and assignment and other papers and take such
further actions as may be reasonably required or desirable to carry out the
provisions hereof.

4.3 Gennaro Mugnano, Barbara Mugnano, Gennaro Mugnano Jr. and Dominick Mugnano
agree, that for three (3) years from the date of sale (the "Non-Competition
Term"), they shall not, within the State of Florida, either individually or in a
partnership, or in conjunction with any other person or persons, firms,
association, syndicate, corporation or other entity or venture, as principal,
partner, shareholder, director, officer, consultant, employee, agent or in any
manner whatsoever, either directly or indirectly,

(a) to provide or offer to provide, on behalf of a competitor of the Company,
products or services that compete with the business of the Company or any of its
affiliates, to any customer or client, or prospective customer or client, of the
Company;

(b) to provide or offer to provide, on behalf of a competitor of the Company or
any of its affiliates, products or services that compete with the business of
the Company or any of its affiliates to any customer or client, or prospective
customer or client, of the Company or any of its affiliates;

(c) to engage in or become interested in or advise any business, person, firm,
association, syndicate, corporation or other entity or venture engaged within
the State of Florida, in any business similar to the business carried on by the
Company.

(d) this provision shall not apply in Miami-Dade County, Broward County, or Palm
Beach County, Florida if the Company, or its successors, voluntarily or
involuntarily terminate the business operations of the Company continuously for
a sixty day period in any one or more of those counties, only as regards the
specific county or counties in which the business has been so terminated.

Confidentiality Covenant. Gennaro Mugnano, Barbara Mugnano, Gennaro Mugnano Jr.
and Dominick Mugnano agree that for a period of three (3) years from the date of
sale, they will not directly or indirectly disclose or use to the detriment of
the Company or any of its affiliates, or for the benefit of any other person or
firm any confidential information or trade secrets which are not readily
available in the public domain (including, but not limited to, the identity and
particular needs of any customer of the Company or any of its affiliates, the
methods and techniques of any of the businesses of the Company or any of its
affiliates, the marketing plans and objectives of the Company or any of its
affiliates, or the formula of any product of the Company or any of its
affiliates).

Gennaro Mugnano, Barbara Mugnano, Gennaro Mugnano Jr. and Dominick Mugnano shall
not, for a period of three (3) years from the date of sale, directly or
indirectly, induce any officer, director, or employee of the Company or any of
its affiliates, to

                                       -7-

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leave the Company or any of its affiliates. They further acknowledge that the
legal remedies for breach of the covenants contained within this section are
inadequate, and therefore agree that, in addition to any or all other remedies
available to the Company or its affiliates in the event of a breach or
threatened breach of said covenants, the Company or any of its affiliates may:

(a) obtain preliminary and permanent injunctions against any and all such
actions, and

(b) seek to recover monetary damages to the Company or its affiliates arising
from such breach or threatened breach and all costs and expenses (including
attorneys' fees) incurred by the Company or any of its affiliates in enforcement
of such covenants. The term "Affiliates" as used herein is understood to mean
subsidiaries, and parent and brother/sister Corporations or entities of the
Company.

4.4 Tax Matters. The following provisions shall govern certain tax matters:

(a) Seller shall prepare or cause to be prepared and file or cause to be filed
all Tax Returns for J & B for all periods ending on or prior to the date of
closing.

(b) Buyer and Seller shall cooperate fully, as and to the extent reasonably
requested by any other party, in connection with the filing of Tax Returns
pursuant to this Section and any audit, litigation, or other proceeding with
respect to Taxes of J & B. Such cooperation shall include the retention (to the
extent applicable) and (upon the other party's request) the provision of records
and information which are reasonably relevant to the preparation of any such Tax
Return or to any such audit, litigation or other proceeding. Buyer agrees (a) to
retain all books and records, if any, in their possession with respect to Tax
matters pertinent to J & B relating to any taxable period beginning before the
date of closing until the expiration of the statute of limitations (and, to the
extent notified by the Buyer, any extension thereof) of the applicable taxable
periods, and to abide by all record retention agreements entered into with any
taxing authority.

SECTION 5- CONDITIONS PRECEDENT TO THE OBLIGATIONS OF EACH PARTY TO CONSUMMATE
THE SALE

The respective obligations of each party to consummate the Merger shall be
subject to the financing conditions noted above, and also the satisfaction or
waiver, at or before the Effective Time, of each of the following conditions:

5.1 Approvals. All required approvals of the stockholders and all consents and
approvals referred to in this Agreement, other than those which, the failure to
obtain would not affect the validity of this transaction or materially adversely
affect the business of the Buyer and J & B after the Effective Time shall have
been obtained.

5.2 Absence of Order. No restraining order or injunction of any court which
prevents consummation of the Sale shall be in effect.

                                       -8-

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SECTION 6-CONDITIONS PRECEDENT TO THE OBLIGATION OF BUYER TO CONSUMMATE THE SALE

The obligation of Buyer to consummate the Sale is subject to the satisfaction or
waiver by Buyer, at or before the Effective Time, of the following conditions:

6.1 Representations. Warranties and Covenants. The representations and
warranties of Seller and J & B contained in this Agreement shall be true and
correct in all material respects on and as of the Effective Time with the same
force and effect as though made on and as of the Effective Time.

6.2 Certificate of Secretary of J & B. J & B shall have delivered to Buyer a
certificate of the Secretary of J & B dated as of the Closing Date, certifying
as to (i) the Certificate of Incorporation, as amended, and the Bylaws of J & B,
(ii) the resolutions of the Board of Directors of J & B authorizing and
approving the execution, delivery and performance by J & B of this Agreement and
the transactions contemplated hereby and (iii) the resolutions of the
stockholders of J & B authorizing and approving this Agreement and the
transactions contemplated hereby. The stock certificate representing the Stock
shall be held by the attorney for the Buyer in escrow until such time as the
consideration has been paid in full to the Buyer.

SECTION 7- CONDITIONS PRECEDENT TO THE OBLIGATION OF SELLER TO CONSUMMATE THE
SALE

The obligation of Seller to consummate the Sale is subject to the satisfaction
or waiver by it, at or before the Effective Time, of the following conditions:

7.1 Representations, Warranties and Covenants. The representations and
warranties of Buyer contained in this Agreement shall be true and correct in all
material respects on and as of the Effective Time with the same force and effect
as though made on and as of the Effective Time (with such exceptions as may be
permitted under or contemplated by this Agreement). Buyer shall have performed
and complied in all material respects with all covenants and agreements required
by this Agreement to be performed or complied with by them on or prior to the
Effective Time. Buyer shall have delivered to Seller a certificate, dated the
Effective Time, to the foregoing effect.

7.2 Certificate of Secretary of Buyer. Buyer shall have delivered to Seller a
certificate of the Secretary of Buyer dated as of the Closing Date, certifying
as to (i) the Certificate of Incorporation and the Bylaws of Buyer, and (ii) the
resolutions of the Board of Directors of Buyer authorizing and approving the
execution, delivery and performance by Buyer of this Agreement and the
transactions contemplated hereby.

7.3 Receipt by the attorney for the Buyer of the full consideration in cash, or
by wire transfer to the Attorney Trust Account of said attorney, or by Cashier's
Check made payable to said trust account.

SECTION 8- TERMINATION

8.1 Termination. This Agreement may be terminated at any time on or prior to the
Closing Date, as noted above or as follows:

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(a) The Closing Date shall not have occurred on or before July 15, 2002, which
date may be extended orally or in writing by mutual consent of the parties;

SECTION 9 - GENERAL

9.1 Amendment. This Agreement may not be amended except by an instrument signed
by each party hereto.

9.2 Waiver. At any time prior to the Effective Time, any party hereto may (a)
extend the time for the performance of any of the obligations or other acts of
any other party hereto or (b) waive compliance with any of the agreements of any
other party or any conditions to its own obligations, in each case only to the
extent such obligations, agreements and conditions are intended for its benefit;
provided that any such extension or waiver shall be binding upon a party only if
such extension or waiver is set forth in a writing executed by such party.

9.3 Entire Agreement. This Agreement contains the entire agreement among the
parties with respect to the Sale and related transactions, and supersedes all
prior agreements, written or oral, with respect thereto.

9.4 Governing Law. This Agreement shall be governed by the laws of the State of
Florida, without regard to its conflict of law provisions.

IN WITNESS WHEREOF, the parties have executed this Agreement under seal as of
the date first stated above.

Raptor Investments, Inc.

By: /s/ PAUL LOVITO, President
    --------------------------

---------------------------------------------
Gennaro Mugnano

---------------------------------------------
Barbara Mugnano

---------------------------------------------
Gennaro Mugnano, Jr.

--------------------------------------------
Dominick Mugnano

J & B Wholesale Produce, Inc. (Representations Only)

---------------------------------------------

By

                                      -10-

<PAGE>EX-10.1
                                                                         -------

                             SETTLEMENT AND RELEASE

                  WHEREAS the Helionetics Official Committee of Unsecured
Creditors (the "Committee") has initiated an adversary action against KSW, Inc.
("KSW"), as well as against Mr. Floyd Warkol, Mr. Burton Reyer, and Mr. Robert
Brussel (collectively, with KSW, the "KSW Defendants"); and

                  WHEREAS pursuant to the approved Plan of Liquidation and the
Order Confirming Helionetics, Inc.'s Third Amended Chapter 11 Plan as Modified
(which was entered on December 23, 1998), Helionetics, Inc. ("Debtor") has
assigned to the Committee all claims and actions held by the Debtor, the
Debtor-in-Possession and the Debtor's estate, against the KSW Defendants to the
Committee, which claims are a part of the adversary action; and

                  WHEREAS KSW has sued its former counsel (and co-defendant)
Stroock and Stroock and Lavan ("Stroock") in a separate action pending in the
Superior Court of the State of California in and for the County of Los Angeles,
Case No. BC 244442; and

                  WHEREAS the Committee, on behalf of itself and as assignee of
all claims and actions held by the Debtor, the Debtor-in-Possession, and the
Debtor's estate, and the KSW Defendants (collectively, the "Parties") desire to
settle all claims and disputes between the Committee and Debtor on the one hand
and the KSW Defendants on the other hand; and

                  WHEREAS on March 20, 2002 and March 21, 2002, the Committee
and the KSW Defendants reached a binding settlement, which the Parties
anticipated would be replaced and superceded by a more complete, integrated
agreement; and

                  WHEREAS Messrs. Warkol and Reyer have contributed financially
to this settlement pursuant to an agreement between them and KSW; and

                  WHEREAS, KSW has disclosed to the Committee its covenants with
existing lenders and sureties;

                  NOW, THEREFORE, the Parties hereby stipulate and agree as
follows:

1.       Payments by KSW

         1.1 KSW shall pay to the Committee the sum of $250,000 within two
business days of final approval of the Settlement Agreement ("Agreement") by the
Bankruptcy Court. Payment shall be delivered to Debtor's Counsel, Drummy King
White Parret & Joerger (Attn: John D. Ott, Esq.), at 611 Anton Blvd., Suite 800,
Costa Mesa, California 92626.

         1.2 In addition to the sum set forth in Section 1.1, and subject to the
limitations set forth herein, KSW shall pay the Committee the additional sum of
$250,000 within one week of the time KSW's Form 10-Q or Form 10-K (whichever the

<PAGE>

case may be) is filed with the Securities and Exchange Commission ("SEC") for
the quarter in which this Agreement is approved by the Bankruptcy Court. This
payment shall come only from, and only to the extent of, aggregate operating
profits by KSW commencing with the first quarter of 2002 and continuing
thereafter, but only to the extent that such payments will not place KSW in
violation of any of its existing covenants with any of its lenders or sureties
or within $50,000 of any such covenant. (For purposes of this Paragraph 1.2,
"existing covenants" includes any existing covenant with lenders or sureties, as
well as any similar covenant in any extension or replacement of existing lender
or surety agreements.) If the $250,000 is not paid in full following the quarter
that this Agreement is approved by the Bankruptcy Court, then the unpaid balance
shall be paid within one week of the time that KSW's form 10-Q or form 10-K is
filed with the SEC for the following quarter, but subject to the same
limitations as set forth above. This obligation shall continue from quarter to
quarter until the entire $250,000 is paid.

         1.3 No interest shall accrue on any of the sums set forth in Sections
1.1 and 1.2.

         1.4 For any quarter in which any part of the foregoing sums is not
paid, the Committee shall have the right to designate one person to audit KSW's
books, and may (at the Committee's option) report its findings to a member of
KSW's Audit Committee. Any such audit will be subject to the terms of the
confidentiality agreement executed concurrently herewith.

         1.5 Until such time as the sums set forth in Sections 1.1 and 1.2 have
been paid in full, no unusual and extraordinary compensation shall be paid by
KSW to Mr. Warkol or Mr. Reyer.

         1.6 The Committee's counsel shall hold the payments set forth in
Sections 1.1 and 1.2 secure in an interest bearing account until such time as
the Bankruptcy Court's approval of this settlement is no longer subject to
appellate review. Thereafter, the payments -- and the interest thereon -- may be
distributed to the Committee. Should the Bankruptcy Court's approval be
reversed, however, the payments set forth above and the interest thereon shall
revert to KSW.

2.       Recoupment to KSW

         2.1 The payments set forth in Section 1 are to be refunded to KSW,
without interest, as follows.

         2.2 Schedule of Recoupment

                  2.2.1 If the Committee settles with Stroock or collects a
judgment from Stroock and KSW does not, as a part thereof, dismiss or relinquish
any of its claims against Stroock, then KSW shall receive 50 percent of any

                                       2
<PAGE>

monies collected from or on behalf of Stroock (without deduction or offset)
above $1 million up to $1.5 million, for a maximum recoupment of $250,000.

                  2.2.2 If the Committee resolves its case against Stroock,
whether before of after judgment, and KSW is required, as a part of such
resolution, to dismiss or relinquish any of its claims against Stroock, then KSW
shall receive 50 percent of any monies collected by the Committee from or on
behalf of Stroock (without deduction or offset) from the first dollar collected
up to $1 million (for a maximum recoupment of $500,000), plus 15 percent of any
such monies collected (without deduction or offset) above $1 million up to $4
million (for a maximum additional payment of $450,000), plus 5 percent of any
such monies collected (without deduction or offset) above $4 million. The
Parties recognize that should there be a payment made pursuant to this Section
2.2.2 based on a resolution with Stroock by which over $1 million is collected,
KSW will recover more than the sum it paid pursuant to Section 1 above. The
Parties further recognize that, subject to the provisions in Section 2.3 below,
KSW may be required to dismiss its action against Stroock, in whole or in part,
as a part of the Committee's settlement of its claim against Stroock. In any
settlement with Stroock pursuant to this Section 2.2.2, the Committee guarantees
that (a) it will not settle for less than $700,000 unless KSW is paid $350,000
irrespective of the foregoing percentages; and (b) Stroock will release the KSW
Releasees (defined below). The provisions in the foregoing sentence are referred
to below as the "Committee Guarantee."

         2.3 Settlement Approval Rights

                  2.3.1 KSW's Approval Rights.

                        2.3.1.1 The Committee may not settle its claim against
Stroock without both obtaining KSW's prior consent and (in the case of a
settlement pursuant to Section 2.2.2 above) complying with the Committee
Guarantee. KSW shall have two business days from the time notice is received (as
described in Paragraph 5.14 below) of the essential terms of a settlement
between the Committee and Stroock to refuse to give its consent thereto. If KSW
does not clearly give notice of refusal within that time, KSW will be deemed to
have consented.

                        2.3.1.2 KSW's consent shall not be unreasonably withheld
to any settlement governed by Paragraph 2.2.1.

                        2.3.1.3 If a settlement governed by Section 2.2.2 is
reached prior to both the Material Change Date and the Option Termination Date
(defined below), KSW's consent shall not be unreasonably withheld.
Notwithstanding the foregoing, if the entirety of Stroock's consideration to the
Committee is a lump sum payment and a release, and the Committee fulfills the
Committee Guarantee, then the settlement shall be conclusively presumed to be
reasonable.

                        2.3.1.4 Once the Material Change Date has occurred, the
conclusive presumption of a reasonable settlement set forth in Section 2.3.1.3

                                       3
<PAGE>

shall no longer apply, although the Committee Guarantee set forth in Section
2.2.2 shall remain in force. The Material Change Date occurs when (if ever)
there has been a material and substantial change in KSW's malpractice claim
against Stroock benefiting KSW. An example of a material and substantial change
would be if KSW obtained summary adjudication of an important issue, or a major
legal or factual issue were favorably resolved by way of a motion or other
procedural device. KSW represents that it has no present intent to seek summary
judgment or summary adjudication of issues prior to January 1, 2003 (unless
otherwise required by the court in the malpractice action). Notwithstanding the
foregoing, and so long as the Committee Guarantee has been fulfilled, KSW's
consent to a settlement by the Committee with Stroock shall not be unreasonably
withheld.

                        2.3.1.5 Once the Option Termination Date has occurred,
KSW may withhold its consent to any settlement under Section 2.2.2 in its sole
and absolute discretion notwithstanding Section 2.3.1.3, although the Committee
Guarantee set forth in Section 2.2.2 shall remain in force. The Option
Termination Date occurs when the court in the malpractice action has formally
indicated its view of the merits of KSW's claim against Stroock as to both
liability and compensatory damages even if that view is tentative, has not been
reduced to a judgment, or is subject to appeal or post-trial attack. The Parties
contemplate that "formally" in this context connotes an indication of the
court's view at an appropriate time, such as at a hearing on a dispositive
motion or after trial. A comment by the court in an informal setting, such as at
a settlement conference or other similar type of proceeding, will not be
considered a "formal" indication.

                        2.3.1.6 Any settlement made pursuant to Section 2.2.2 in
which the Committee Guarantee is not fulfilled is conclusively presumed
unreasonable.

                  2.3.2 Until the Option Termination Date (defined above), KSW
may not settle its claim against Stroock without the Committee's consent, which
consent may not be unreasonably withheld. On or after the Option Termination
Date, KSW may settle its claim against Stroock without the Committee's consent
so long as KSW has paid the Committee all sums set forth in Paragraphs 1.1 and
1.2, or does so immediately upon receipt of any settlement proceeds from
Stroock.

                  2.3.3 In the event that KSW refuses to consent to a settlement
between the Committee and Stroock under Paragraph 2.2.1 or 2.2.2 prior to the
Option Termination Date, or the Committee refuses to consent to a settlement
between KSW and Stroock and such consent is required, or there exists a dispute
over whether consent is required or whether the Option Termination Date or
Material Change Date has occurred, the Parties hereto shall submit the issue to
Richard Chernick for binding resolution of the dispute. The Parties shall use
their best efforts to obtain a binding resolution within ten (10) business days
of written notification of any proposed settlement. The resolution shall be by
way of expedited binding arbitration by which each Party may submit papers to
Mr. Chernick, and Mr. Chernick may decide whether or not to hear argument so as
to render a timely award. No discovery shall be permitted, except that all
settlement drafts and communications between the purportedly settling parties
relating to the purported settlement shall be immediately exchanged. If Mr.

                                       4
<PAGE>

Chernick is not available, the Parties shall agree on another arbitrator, or, if
they cannot agree, each Party shall simultaneously nominate three candidates
affiliated with J.A.M.S. in Los Angeles or Orange County within one (1) business
day of a request by any Party to so nominate. If any person is nominated by both
Parties, that person shall be the arbitrator (or, if more than one person is so
nominated, then the arbitrator shall be randomly selected from such nominees).
Otherwise, the arbitrator shall be chosen by lot from the Parties' nominees.

         2.4 KSW shall have a lien on any monies paid to the Committee or Debtor
by Stroock to the extent of the recoupment provisions in this Section 2. The
Committee shall have a lien on any monies paid in settlement by Stroock to KSW
to the extent that KSW has not paid to the Committee the sums set forth in
Paragraphs 1.1 and 1.2.

         2.5 Any recoupment to be paid to KSW pursuant to this Section 2 shall
be applied first to any sum not yet paid by KSW to the Committee pursuant to
Paragraphs 1.1 and 1.2.

3.       Releases

         3.1 Definitions.

                  3.1.1 "KSW Releases" shall mean KSW, Inc. and all of its
subsidiaries, officers, directors, employees (including, without limitation,
Messrs. Warkol, Reyer, and Brussel, but excluding persons (other than those just
named) who were officers, directors, or employees of Debtor or any of its
non-KSW, Inc. subsidiaries on or before January 1, 1996 and further excluding
Don Davis, Susan Barnes, KB Equities, and Peter Aiello), insurers and sureties
(but only to the extent of obligations or potential obligations under insurance
policies or surety agreements insuring or benefitting KSW, Inc. or any of its
subsidiaries, officers, directors, or employees in said capacities), and Munger,
Tolles & Olson LLP and Browne and Woods, LLP. "KSW Releasees" does not include
KSW's former attorneys including, but not limited to, Stroock or any of
Stroock's current or former partners or associates.

                  3.1.2 "Committee Releasees" includes the Committee, its
members, the Debtor, Debtor-in-Possession, the Debtor's estate, and Drummy King
White Parret & Joerger. The "Committee Releasees" does not include Stroock or
any of Stroock's present or former partners or associates, or Don Davis.

                  3.1.3 "KSW Releasors" means KSW, Inc., its subsidiaries, and
Messrs. Warkol, Reyer, and Brussel.

                  3.1.4 "Committee Releasors" means the Committee and each
member thereof, the Debtor, Debtor-in-Possession, and the Debtor's estate.

                  3.1.5 Except for claims arising directly from this Agreement,
"Released Claims" means all claims of any kind that were or could have been
raised in this action, from the beginning of time to the present, known or

                                       5
<PAGE>

unknown, suspected or unsuspected. It also includes any other claim, debt, cause
of action, or allegation, in law or in equity, of any kind or type whatsoever,
known or unknown, suspected or unsuspected, arising out of or related to
Helionetics or its subsidiaries, employees, directors, or major shareholders.
The scope of "Released Claims" is intended by the Parties to be broadly
construed and to release as many claims as it is legal to release. To that end,
the Parties expressly waive the provisions of California Civil Code Section
1542, which states:

                  "A general release does not extend to claims which the
                  creditor does not know or suspect to exist in his favor at the
                  time of executing the release, which if known by him must have
                  materially affected his settlement with the debtor."

                  3.1.6 "Effective Date" means the date this Agreement is
approved by the Bankruptcy Court.

         3.2 As of the Effective Date, the Committee Releasors release the KSW
Releasees from the Released Claims. In addition, the Committee Releasors agree
that they will bring no fraudulent conveyance or similar action against any
transferee of KSW stock to the extent that the transferee's stock was sold by
KSW to that transferee, directly or indirectly, on or after January 1, 1996,
provided that this forebearance will not apply in favor of Stroock or any of its
present or former partners or associates.

         3.3 As of the Effective Date, the KSW Releasors release the Committee
Releasees from the Released Claims.

         3.4 Within two business days following receipt by the Committee of the
sums set forth in Section 1, the Committee shall file a stipulation for
dismissal with prejudice in the Bankruptcy Action as to KSW, and Messrs. Warkol
and Reyer. The Committee will further stipulate to a judgment to be entered in
favor of Mr. Brussel, but no costs shall be awarded therein. The Committee
further agrees not to appeal said judgment. Pending said dismissal, the
Committee and Debtor shall take no action in this litigation as against any KSW
Releasee except to enforce the terms of this Agreement.

4.       Court Approval

         4.1 The Parties shall mutually use their best efforts promptly to
obtain Bankruptcy Court approval of this Agreement, which approval shall include
a finding of "good faith" pursuant to California Code of Civil Procedure Section
877.6. Court approval may be conditioned upon timely payment of the amount set
forth in Paragraph 1.1.

         4.2 If the Bankruptcy Court does not approve this Agreement, or an
appellate decision is rendered, not subject to further review, disapproving this
Agreement, then this Agreement shall be null and void and any sums paid
hereunder shall be returned to the payor together with interest, any releases
given shall be revoked, and any judgments rendered based on this Agreement shall

                                       6
<PAGE>

be vacated. The Parties further agree that should such an event occur, they will
jointly use their best efforts to place themselves and each other as nearly as
practicable in the position they were in as of January 22, 2002.

5.       Miscellaneous

         5.1 The KSW Defendants will de-designate their experts and will use
their best efforts, consistent with all legal and ethical requirements, to
assure that those experts will not be designated by any other party to this
action.

         5.2 Upon the Committee's request, KSW will waive the attorney-client
and attorney work product protections as to Stroock as permitted by law.

         5.3 The KSW Defendants will not voluntarily testify in this action
except at the Committee's request.

         5.4 KSW's experts (to the extent they agree), counsel, and personnel
will be available to assist the Committee as reasonably requested by the
Committee, provided that the Committee pays any fees and costs charged by KSW's
experts and counsel, and pays any out-of-pocket costs incurred by KSW personnel
to the same extent as those costs would be reimbursed by KSW.

         5.5 This Agreement is a compromise of disputed claims. It is not, and
shall not be used as, an admission of liability by any Party, or as an admission
of any lack of merit of any Party's position.

         5.6 Except as set forth in Section 4.2, this Agreement reflects a full
and complete compromise, accord and satisfaction, and novation of the Parties'
rights as to one another.

         5.7 Each Party shall bear its own costs in the prosecution or defense
of this action. However, should litigation be necessary to enforce the terms of
this Agreement, the prevailing Party (as defined in California Civil Code
Section 1717) shall recover its actual attorneys' fees, costs, and
disbursements.

         5.8 This Agreement supersedes the letter agreements of March 20, 2002
and March 21, 2002 in their entirety.

         5.9 This Agreement is intended to be fully integrated, and all of the
relevant promises and terms are set forth herein. No other promises have been
made, and any such promises are hereby null and void.

         5.10 This Agreement shall be governed by California law.

         5.11 This Agreement is the subject of negotiations by the Parties, and
shall not be construed against the drafting Party. Instead, this Agreement will
be fairly and neutrally construed so to give effect to the Parties' intent set
forth herein.

                                       7
<PAGE>

         5.12 This Agreement shall inure to the benefit of the Parties and their
successors-in-interest as well as the specified releasees. No one else is an
intended third party beneficiary.

         5.13 Each Party and signator hereby represents and warrants to every
other Party that it has full authority to enter into this Agreement and perform
the promises set forth herein. Each Party further represents and warrants to
every other Party that it has not assigned to any other entity any claims it is
purporting to release herein.

         5.14 Notices

                  5.14.1 Notice to the Committee shall be addressed as follows:

                                    Hevka Sramek
                                    325 Lookout Dr.
                                    Sedona, Arizona  86351

                                    -and-

                                    John D. Ott, Esq.
                                    Drummy King White Parret & Joerger
                                    611 Anton Blvd., Suite 800
                                    Costa Mesa, California  92626

                  5.14.2 Notice to KSW, Mr. Warkol, Mr. Reyer, or Mr. Brussel
shall be addressed as follows:

                                    James Oliviero
                                    General Counsel
                                    KSW, Inc.
                                    37-16 23rd Street
                                    Long Island City, NY  11101

                                    -and-

                                    Mark H. Epstein
                                    Munger, Tolles & Olson LLP
                                    355 S. Grand Ave., 35th Floor
                                    Los Angeles, CA  90071

                  5.14.3 Notices shall be hand delivered or sent by overnight
mail, and shall be effective and deemed made upon receipt, but if receipt occurs
after 5:00 p.m. or on a Saturday, Sunday, or legal holiday, then receipt shall
be deemed to occur on the next business day.

         5.15 This Agreement may be amended only through a written amendment
signed by all affected Parties.

                                       8
<PAGE>

         5.16 This Agreement may be signed in counterparts, but each such
counterpart shall be considered one and the same original.

Dated:  June 11, 2002                   Dated:  June 11, 2002

/s/ Floyd Warkol                        /s/ Hevka Sramek
-----------------------------------     ---------------------------------------
For KSW, Inc.                           For the Official Committee of
                                        Unsecured Creditors

Dated:  June 11, 2002

/s/ Floyd Warkol
-----------------------------------
Floyd Warkol

Dated:  June 11, 2002

/s/ Burton Reyer
-----------------------------------
Burton Reyer

Dated:  June 11, 2002

/s/ Robert Brussel
-----------------------------------
Robert Brussel

                                       9

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