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MURIEL BOWSER
MAYOR
April 20, 2026
The Honorable Phil Mendelson
Chairman
Council of the District of Columbia
John A. Wilson Building
1350 Pennsylvania Avenue, NW, Suite 504
Washington, DC 20004
Dear Chairman Mendelson:
Pursuant to section 451 of the District of Columbia Home Rule Act (D.C. Official Code § 1 -
204.51) and section 202 of the Procurement Practices Reform Act of 2010 (D.C. Official Code §
2-352.02), enclosed for consideration and approval by the Council of the District of Columbia is
Modification No. 4 to Contract No. DCAM-22-CS-RFQ-0001H with Keystone Plus Construction
Corporation, to exercise option year four of the contract in the not -to-exceed amount of
$20,000,000. The modification’s period of performance is from May 2, 2026, through May 1,
2027.
Under the proposed modification, Keystone Plus Construction Corporation will continue to
provide construction services at schools, parks, recreation facilities, municipal buildings, fire and
police stations, short-term family housing units, and other public locations under its contract with
the Department of General Services (“DGS”).
My administration is available to discuss any questions you may have regarding the proposed
contract modification. In order to facilitate a response to any questions you may have, please
contact Delano Hunter, Director, DGS, or have your staff contact Dr. Jacque McDonald, Associate
Director and Chief Procurement Officer, DGS, at (202) 836-2092.
I look forward to the Council’s favorable consideration of this contract modification.
Sincerely,
Muriel Bowser
GOVERNMENT OF THE DISTRICT OF COLUMBIA
DEPARTMENT OF GENERAL SERVICES
1
Pursuant to Section 202(c) of the Procurement Practices Reform Act of 2010, as amended, D.C.
Official Code § 2-352.02(c), the following contract summary is provided:
COUNCIL CONTRACT SUMMARY
(Options)
Modification No. 4 to Contract No. DCAM-22-CS-RFQ-0001H for Construction Projects
Exercise of Option Year 004
(A) Contract Number: DCAM-22-CS-RFQ-0001H (the “Contract”)
Modification No. 4 to exercise Option Year 004
Proposed Contractor: Keystone Plus Construction Corporation (the
“Contractor”)
Proposed Contract Amount
(Option Year 004): Guaranteed Minimum $50
Not-to-Exceed (“NTE”) $20,000,000
Term of Contract
(Option Year 004): May 2, 2026, through May 1, 2027
Type of Contract: Indefinite Delivery/Indefinite Quantity (“IDIQ”)
(B) Identifying number of the underlying contract, including the identifiers assigned to the
underlying contract by the Council for the base period and any subsequent option periods:
Contract (Base Year): DCAM-22-CS-RFQ-0001H
Council Approval: CA24-0465, April 29, 2022
Contract Amount: Guaranteed Minimum: $50; NTE: $15,000,000
Exercise of Option Year 001: Modification No. 1
Council Approval: CA25-0091, March 27, 2023
Option Year 001 Amount: Guaranteed Minimum: $50; NTE: $20,000,000
Exercise of Option Year 002: Modification No. 2
Council Approval: CA25-0669, April 13, 2024
Option Year 002 Amount: Guaranteed Minimum: $50; NTE: $20,000,000
2
Exercise of Option Year 003: Modification No. 3
Council Approval: CA26-0108, April 10, 2025
Option Year 003 Amount: Guaranteed Minimum: $50; NTE: $20,000,000
Exercise of Option Year 004: Proposed Modification No. 4
Option Year 004 Amount: Guaranteed Minimum: $50; NTE: $20,000,000
(C) A statement that the Citywide Clean Hands database indicates that the proposed
contractor is current with its District taxes. If the Citywide Clean Hands Database
indicates that the proposed contractor is not current with its District taxes, either: (1) a
certification that the contractor has worked out and is current with a payment schedule
approved by the District; or (2) a certification that the contractor will be current with its
District taxes after the District recovers any outstanding debt as provided under D.C.
Official Code § 2-353.01(b):
The Citywide Clean Hands database indicates that the Contractor is current with its District
taxes. The relevant certification is attached.
(D) A statement that the proposed contract is within the appropriated budget authority for
the agency for the fiscal year and is consistent with the financial plan and budget adopted
in accordance with D.C. Official Code §§ 47-392.01 and 47-392.02:
The Office of the Chief Financial Officer has certified that the guaranteed minimum value of
$50 of proposed Modification No. 4 is within the appropriated budget authority for the agency
and is consistent with the financial plan and budget adopted in accordance with D.C. Official
Code §§ 47-392.01 and 47-392.02; sufficient funds will be included in the budget proposal for
FY 27 for task orders issued after September 30, 2026, and no task orders will be issued or work
performed in FY 27 unless the financial plan adopted by the Council includes such funds. The
applicable Fiscal Sufficiency certification accompanies this Council Package.
(E) (1) A certification that the proposed contractor has been determined not to be in violation
of section 334a of the Board of Ethics and Government Accountability Establishment and
Comprehensive Ethics Reform Amendment Act of 2011, D.C. Official Code § 1-1163.34a;
and (2) A certification from the proposed contractor that it currently is not and will not
be in violation of section 334a of the Board of Ethics and Government Accountability
Establishment and Comprehensive Ethics Reform Amendment Act of 2011, D.C. Official
Code § 1-1163.34a:
Based upon a certification from the Contractor, the Contractor has been determined not to be in
violation of D.C. Official Code § 1-1163.34a; and will not be in violation of D.C. Official Code
§ 1-1163.34a.
(F) The description of any other contracts the proposed Contractor is currently seeking or
holds with the District:
3
The Contractor is currently involved in several District projects and is in pursuit of many other
District projects. The list of projects is provided as Exhibit A.
Exhibit A
Contracts that Keystone Plus Construction Corporation Currently Holds with The District
Agencies (Not only DGS):
DCAM-20-CS-RFQ-0001 DB Services DOC CTF Door Control Upgrades $ 1,867,349.84
DCAM-20-CS-RFQ-0001AA Residence Restrooms Renovations CTF $ 1,684,609.58
DCAM-22-CS-RFQ-0001H Oakhill Campus Infrastructure Upgrade $ 4,442,584.45
DCAM-22-CS-RFQ-0001H DOC Central Treatment Facility $ 2,952,221.28
DCAM-23-CS-IFB-0007 Daly Building Swing 501 New York Ave. $ 10,877,472.79
DCAM-23-CS-RFP-0025 Design Build Services for Ludlow Taylor
Elementary School Addition
$ 9,630,011.98
DCAM-22-CS-RFQ-0001H Military Road School Historic Wood Intrusion
Mitigation
$ 1,867,349.84
DCAM-22-CS-RFQ-0001H Cardozo Education Campus Stadium & Field
Locker-Room Upgrades
$ 732,930.00
DCAM-22-CS-RFQ-0016U Redevelopment St. Elizabeths East Campus –
Demolition/Raze Building 91
$ 3,340,050.00
DCAM-22-CS-RFQ-0001H Construction Services for Youth Service Center
Emergency Power System Upgrades
$ 2,192,800.00
DCAM-22-CS-RFQ-0001H Langdon Elementary Schools Full Roof
Replacement
$ 4,559,259.00
CW108610 DCHA FY26 SFRRP SINGLE FAMILY Roofing
Batch #2608
$ 211,158.08
CW108610 DCHA FY26 SFRRP SINGLE FAMILY Roofing
Batch #2612
$ 106,331.26
DCAM-22-CS-RFQ-0001H Key Elementary School Window and Door
Replacement
$ 261,905.00
DCAM-22-CS-RFQ-0001H Johnson Middle School Field Upgrades $ 466,525.00
Projects Keystone Plus Construction Corporation is Currently Seeking with The District
Agencies (Not only DGS):
CW108610 DCHA FY26 SFRRP SINGLE FAMILY Batch
#2609
$ 96,848.42
DCAM-26-CS-RFP-0003 Design Build Services John Thompson Jr. HS
Additions
$ 3,616,513.87
DCAM-26-CS-IFB-0003 Construction Services for New Department of
Aging and
Community Living (DACL) Ward 8 Senior
Wellness Center
$14,995,600.00
DCAM-22-CS-RFQ-0016 Design Build Modernization 2601 & 2603 Naylor
Road
$ 1,324,350.00
4
DCAM-26-CS-IFB-0004 Construction Services MPD Compartmented
Access Area at
Marion Barry Building
$ 257,388.13
DCAM-22-CS-RFQ-0016 Short Term Family Housing Multi Site Upgrades $ 563 830.00
DCAM-22-CS-RFQ-0016 Design Build Services Renovation at DYRS $ 177,996.32
DCAM-22-CS-RFQ-0016 Design Build Services Kennedy Recreation Center
Roof Replacement
$ 656,093.26
1101 4th Street, SW
Washington, DC 20024
Date of Notice: April 6, 2026 L0016357192Notice Number:
FEIN: **-***0762
Case ID: 18912151
Government of the District of Columbia
Office of the Chief Financial Officer
Office of Tax and Revenue
THE KEYSTONE PLUS CONSTRUCTION CORP
1925 MINNESOTA AVE SE STE A
WASHINGTON DC 20020-5454
Branch Chief, Collection and Enforcement Administration
Authorized By Melinda Jenkins
To validate this certificate, please visit MyTax.DC.gov. On the MyTax DC homepage, click the
“Validate a Certificate of Clean Hands” hyperlink under the Clean Hands section.
CERTIFICATE OF CLEAN HANDS
As reported in the Clean Hands system, the above referenced individual/entity has no outstanding
liability with the District of Columbia Office of Tax and Revenue or the Department of Employment
Services. As of the date above, the individual/entity has complied with DC Code § 47-2862, therefore
this Certificate of Clean Hands is issued.
TITLE 47. TAXATION, LICENSING, PERMITS, ASSESSMENTS, AND FEES
CHAPTER 28 GENERAL LICENSE
SUBCHAPTER II. CLEAN HANDS BEFORE RECEIVING A LICENSE OR PERMIT
D.C. CODE § 47-2862 (2006)
§ 47-2862 PROHIBITION AGAINST ISSUANCE OF LICENSE OR PERMIT
1101 4th Street SW, Suite W270, Washington, DC 20024/Phone: (202) 724-5045/MyTax.DC.gov
COPY
Memorandum
To: Delano Hunter
Director
From: Antoinette Hudson Beckham
Agency Fiscal Officer
Department of General Services
Reference: Construction Projects
Modification No. 4 to Contract No. DCAM-22-CS-RFQ-0001H Construction Projects
with The Keystone Plus Construction Corporation
Exercise of Option Year 004
Date: April 1, 2026
Subject: Fiscal Sufficiency Review
In my capacity as the Agency Fiscal Officer of the Department of General Services (the “Department”), I
hereby state that Modification No. 4 to Contract No. DCAM-22-CS-RFQ-0001H for Construction Projects
between the Department and The Keystone Plus Construction Corporation (the “Contractor”) with a Not-
To-Exceed (“NTE”) value of $20,000,000.00 has a guaranteed minimum value of $50.00 that is
consistent with the Department’s current budget, and that adequate funds are available in the budget
for the expenditure. The $50.00 minimum value is hereby approved.
Funds supporting individual task order agreements, above the minimum amount certified of $50.00, to
be issued against the base period (“Base Period”) and four (4) one-year option periods ("Option Years”)
aggregate NTE value of $20,000,000.00, will be reviewed for certification and approval at the time of
issuance of any such task order agreements. Each task order is subject to the availability of appropriated
funds. Task orders, ineligible for capital expenditure, will be funded under the Depar tment’s operating
budget if funding is available.
The Department of General Services (AM0-Implementing AGY) has $50.00 in DC Public Schools
(DCPS -Owner AGY) cumulative capital budget authority balance.
The PASS information is attached/ below:
Project Number/
Name
Subtask
AY
Fund
Detail
Imp.
Agency
Owner
Agency
RK/PO Amount Comments
100065 -
AM0.GM121C.MAJ
OR
REPAIRS/MAINTE
NANCE - DCPS
4.01 -
MJMND.95101.MAJOR
REPAIRS/MAINTENAN
CE.CAP PROJ -
PHYSICAL PLANT
(GA0)
n/a 3030300 AM0 GA0 RK322987 $50.00
Total $50.00
Antoinette Hudson Beckham
Agency Fiscal Officer
Department of General Services
______________________________
for AHB 4/2/26
OFFICE OF THE GENERAL COUNSEL
MEMORANDUM
TO: Tomás Talamante
Director, Office of Policy and Legislative Affairs
FROM: Kristen Walp
Interim Deputy General Counsel
SUBJECT: Legal Sufficiency Certification
Proposed Modification No. 4 to Basic Ordering Agreement for Construction Projects
Contract Number: DCAM-22-CS-RFQ-0001H
Contractor: Keystone Plus Construction Corporation
DATE: April 8, 2026
_______________________________________________________________________
This is to certify that this Office has reviewed the above -referenced proposed Modification
No. 4 and has found it to be legally sufficient, subject to submission of: (i) any required
materials and Council approval; (ii) Council’s approval of the same; and (iii) a Fiscal
Certification issued by the Department of General Services’ Agency Fiscal Officer.
Please feel free to contact me at (202) 727-2800 with any questions.
____________________________
Kristen Walp
Interim Deputy General Counsel
X
9B. Dated (See Item 11)
May 2, 2022
X
10A. Modification of Contract/Task Order No. 1925 Minnesota Avenue SE | Suite A
Washington, DC 20020
carlosperdomodc@gmail.com 10B. Dated (See Item 13)
Contractor is not, is required to sign this document and return
11. THIS ITEM ONLY APPLIES TO AMENDMENTS OF SOLICITATIONS
The above numbered solicitation is amended as set forth in Item 14. The hour and date specified for receipt of Offers is extended. is not extended.
following methods: (a) By completing Items 8 and 15, and returning
DCAM-22-CS-RFQ-0001H
1 copies of the amendment: (b) By acknowledging receipt of this
an offer already submitted, such change may be made by letter or fax, provided each letter or telegram makes reference to the
IT MODIFIES THE CONTRACT/ORDER NO. AS DESCRIBED IN ITEM 14
The changes set forth in Item 14 are made in the contract/order no. in item 10A.
amendment number. FAILURE OF YOUR ACKNOWLEDGEMENT TO BE RECEIVED AT THE PLACE DESIGNATED FOR THE RECEIPT OF OFFERS
PRIOR TO THE HOUR AND DATE SPECIFIED MAY RESULT IN REJECTION OF YOUR OFFER. If by virtue of this amendment you desire to change
Offers must acknowledge receipt of this amendment prior to the hour and date specified in the solicitation or as amended, by one of the
amendment on each copy of the offer submitted; or (c) By separate letter or fax which includes a reference to the solicitation and
13. THIS ITEM APPLIES ONLY TO MODIFICATIONS OF CONTRACTS/ORDERS,
X D. Other (Specify type of modification and authority) Title 27 DCMR Section 4728 and BOA DCAM-22-CS-RFQ-0001H
1
B. The above numbered contract/order is modified to reflect the administrative changes (such as changes in paying office, appropriation
date, etc.) set forth in item 14.
C. This supplemental agreement is entered into pursuant to authority of:
A. This change order is issued pursuant to: (Specify Authority)
Calos Perdomo
Keystone Plus Construction Corporation
8. Name and Address of Contractor (No. Street, city, country, state and ZIP Code) 9A. Amendment of Solicitation No.
(Signature of person authorized to sign) (Signature of Contracting Officer)
solicitation and this amendment, and is received prior to the opening hour and date specified.
12. Accounting and Appropriation Data (If Required)
15B. Keystone Plus Construction Corporation 15C. Date Signed 16B. District of Columbia 16C. Date Signed
15A. Name and Title of Signer (Type or print) 16A. Name of Contracting Officer
Peter Henry Lyonga
14. Description of amendment/modification (Organized by UCF Section headings, including solicitation/contract subject matter where feasible.)
1. Exercise of Option Year 004. In accordance with Section 1.6 of the BOA, the Department hereby exercises Option Year 004 and
extends the term of the BOA through May 1, 2027. The full term of Option Year 004 is from May 2, 2026, through May 1, 2027. The
continuation of services beyond September 30, 2026, is subject to the availability of appropriated FY27 budget funding
2. Minimum Guaranteed and Not-To-Exceed ("NTE") Value of Agreement. In accordance with Section No.1.8 of the BOA, the
Contractor shall be entitled to receive a minimum of $50.00. The Contract has an aggregate NTE amount of $20,000,000.00 for Option
Year 004 for all services to be provided under this BOA. All work will be awarded and released on a competitive basis through
individual task order agreements.
3. Release: It is mutually agreed that in exchange for this Modification and other considerations, the Contractor hereby releases,
waives, settles, and holds the Department harmless from any and all actual or potential claims or demands for delays, disruptions,
additional work, additional time, additional cost, contract extensions, compensations or liability under any theory, whether known or
unknown, that the Contractor may have now or in the future against the Department arising from or out of, as a consequence or result
of, relating to or in any manner connected with this Modification, the above-referenced Project, and the Contract Work.
4. Terms & Conditions: All other Terms and Conditions remain unchanged.
Basic Ordering Agreement ("BOA") No. DCAM-22-CS-RFQ-0001H for Construction Projects is hereby modified as follows:
copy to the issuing office.E. IMPORTANT:
Washington, DC 20019
Contracts and Procurement Division
3924 Minnesota Avenue NE, 5th Floor
1. Contract Number
MODIFICATION OF CONTRACT Page of Pages
DCAM-22-CS-RFQ-0001H 1 2
7. Administered By (If other than line 6)
Department of General Services
6. Issued By:
3. Effective Date 4. Requisition/Purchase Request No. 5. Caption
Modification No. 4 See Block 16C PR-016729 | RK322987 Construction Projects
2. Modification Number
Victoria Guzman, Vice President
04/08/2026
(Continuation)
Contract Number Page of Pages
DCAM-22-CS-RFQ-0001H 2 of 2
5. Contract Recap:
Basic Ordering Agreement Executed on May 2, 2022 15,000,000.00$
Mod No. 1 (Option Year 001) Executed on April 28, 2023 20,000,000.00$
Mod No. 2 (Option Year 002) Executed on April 29, 2024 20,000,000.00$
Mod No. 3 (Option Year 003) Executed on April 30, 2025 20,000,000.00$
Mod No. 4 (Option Year 004) 20,000,000.00$
Total Price 95,000,000.00$
Modification No.
Modification No. 4