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DFARS Clause ACTIVE

252.236-7003

Payment for mobilization and preparatory work.
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Effective Date
JAN 1997
Active Deviations
2
Versions
2 (since 2016-12-22)
DEV
This clause is modified by 2 active class deviations
  • 2026-O0019 — DFARS RFO Implementation (Part 36)
    Add clause 252.236-7003
  • 2026-O0002 — DFARS RFO Implementation (Part 1)
View per-deviation details →
252.236-7003 Payment for mobilization and preparatory work.

As prescribed in 236.570(b)(2), use the following clause:

Payment for Mobilization and Preparatory Work (JAN 1997)

(a) The Government will make payment to the Contractor under the procedures in this clause for mobilization and preparatory work under item no. __________.

(b) Payments will be made for actual payments by the Contractor on work preparatory to commencing actual work on the construction items for which payment is provided under the terms of this contract, as follows—

(1) For construction plant and equipment exceeding $25,000 in value per unit (as appraised by the Contracting Officer at the work site) acquired for the execution of the work;

(2) Transportation of all plant and equipment to the site;

(3) Material purchased for the prosecution of the contract, but not to be incorporated in the work;

(4) Construction of access roads or railroads, camps, trailer courts, mess halls, dormitories or living quarters, field headquarters facilities, and construction yards;

(5) Personal services; and

(6) Hire of plant.

(c) Requests for payment must include—

(1) An account of the Contractor's actual expenditures;

(2) Supporting documentation, including receipted bills or copies of payrolls and freight bills; and

(3) The Contractor's documentation—

(i) Showing that it has acquired the construction plant, equipment, and material free from all encumbrances;

(ii) Agreeing that the construction plant, equipment, and material will not be removed from the site without the written permission of the Contracting Officer; and

(iii) Agreeing that structures and facilities prepared or erected for the prosecution of the contract work will be maintained and not dismantled prior to the completion and acceptance of the entire work, without the written permission of the Contracting Officer.

(d) Upon receiving a request for payment, the Government will make payment, less any prescribed retained percentage, if—

(1) The Contracting Officer finds the—

(i) Construction plant, material, equipment, and the mobilization and preparatory work performed are suitable and necessary to the efficient prosecution of the contract; and

(ii) Preparatory work has been done with proper economy and efficiency.

(2) Payments for construction plant, equipment, material, and structures and facilities prepared or erected for prosecution of the contract work do not exceed—

(i) The Contractor's cost for the work performed less the estimated value upon completion of the contract; and

(ii) 100 percent of the cost to the contractor of any items having no appreciable salvage value; and

(iii) 75 percent of the cost to the contractor of items which do have an appreciable salvage value.

(e) (1) Payments will continue to be made for item no. ________, and all payments will be deducted from the contract price for this item, until the total deductions reduce this item to zero, after which no further payments will be made under this item.

(2) If the total of payments so made does not reduce this item to zero, the balance will be paid to the Contractor in the final payment under the contract.

(3) The retained percentage will be paid in accordance with the Payments to Contractor clause of this contract.

(f) The Contracting Officer shall determine the value and suitability of the construction plant, equipment, materials, structures and facilities. The Contracting Officer's determinations are not subject to appeal.

(End of clause)

[56 FR 36479, July 31, 1991, as amended at 62 FR 2614, Jan. 17, 1997]
RFO
Prescription superseded under the RFO

The prescription shown below is from the codified eCFR. The Revolutionary FAR Overhaul relocates this clause's prescription as follows:

  • 236.570236.101-71 (prescriptive text also revised)

See the deviation memorandum for the current prescription authority.

View deviation: 2026-O0019 → · View deviation: 2026-O0002 →

R-DFARS Prescription Source

This clause is prescribed in the R-DFARS by the following deviation:

  • 2026-O0019 — DFARS RFO Implementation (Part 36) (DFARS Part 236)
    Add clause 252.236-7003
236.570(b)
(b) Use the following provisions and clauses in fixed-price construction contracts and solicitations as applicable -
(1) 252.236-7002, Obstruction of Navigable Waterways, when the contract will involve work near or on navigable waterways.
(2) When the head of the contracting activity has approved use of a separate bid item for mobilization and preparatory work, use either -
(i) 252.236-7003, Payment for Mobilization and Preparatory Work. Use this clause for major construction contracts that require - (A) Major or special items of plant and equipment; or (B) Large stockpiles of material which are in excess of the type, kind, and quantity which would be normal for a contractor qualified to undertake the work; or
(ii) 252.236-7004, Payment for Mobilization and Demobilization. Use this clause for contracts involving major mobilization expense, or plant equipment and material (other than the situations covered in paragraph (b)(2)(i) of this section) made necessary by the location or nature of the work. (A) Generally, allocate 60 percent of the lump sum price in paragraph (a) of the clause to the cost of mobilization. (B) Vary this percentage to reflect the circumstances of the particular contract, but in no event should mobilization exceed 80 percent of the payment item.
(3) 252.236-7005, Airfield Safety Precautions, when construction will be performed on or near airfields.
(4) 252.236-7006, Cost Limitation, if the solicitation's bid schedule contains one or more items subject to statutory cost limitations, and if a waiver has not been granted (FAR 36.205).
(5) 252.236-7007, Additive or Deductive Items, if the procedures in 236.213 are being used.
(6) 252.236-7008, Contract Prices - Bidding Schedule, if the contract will contain only unit prices for some items.
Prescription data sourced from eCFR as of 2026-06-10 03:16 UTC. Cross-references within the prescription are not resolved automatically.

Regulatory Stack

The layers of regulation that govern this clause, from the FAR prescription through agency-specific supplements and any active deviations.

R-DFARS R-DFARS Prescription Per Deviation 2026-O0019 (DFARS Part 236)
2026-O0019: DFARS RFO Implementation (Part 36) — DFARS Part 236

View Deviation 2026-O0019 →

DFARS DFARS Supplement (eCFR) ⚠ May be superseded by RFO 236.570(b)
(b) Use the following provisions and clauses in fixed-price construction contracts and solicitations as applicable -
(1) 252.236-7002, Obstruction of Navigable Waterways, when the contract will involve work near or on navigable waterways.
(2) When the head of the contracting activity has approved use of a separate bid item for mobilization and preparatory work, use either -
(i) 252.236-7003, Payment for Mobilization and Preparatory Work. Use this clause for major construction contracts that require - (A) Major or special items of plant and equipment; or (B) Large stockpiles of material which are in excess of the type, kind, and quantity which would be normal for a contractor qualified to undertake the work; or
(ii) 252.236-7004, Payment for Mobilization and Demobilization. Use this clause for contracts involving major mobilization expense, or plant equipment and material (other than the situations covered in paragraph (b)(2)(i) of this section) made necessary by the location or nature of the work. (A) Generally, allocate 60 percent of the lump sum price in paragraph (a) of the clause to the cost of mobilization. (B) Vary this percentage to reflect the circumstances of the particular contract, but in no event should mobilization exceed 80 percent of the payment item.
(3) 252.236-7005, Airfield Safety Precautions, when construction will be performed on or near airfields.
(4) 252.236-7006, Cost Limitation, if the solicitation's bid schedule contains one or more items subject to statutory cost limitations, and if a waiver has not been granted (FAR 36.205).
(5) 252.236-7007, Additive or Deductive Items, if the procedures in 236.213 are being used.
(6) 252.236-7008, Contract Prices - Bidding Schedule, if the contract will contain only unit prices for some items.

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Version History

Version history is sourced from the codified eCFR. Changes published only as class deviations or by the Revolutionary FAR Overhaul do not appear here until they are incorporated into the eCFR. For RFO-driven changes see the RFO Version tab and any active deviations cited above.

2 versions tracked from 2016-12-22 to 2022-05-26.
MAY 2022 May 26, 2022 CURRENT
Removed in this version
Added in this version
Unchanged
DEC 2016 (previous)
MAY 2022 (current)
1 added, 1 removed
(a)
(a) The Government will make payment to the Contractor under the procedures in this clause for mobilization and preparatory work under item no. _____.
(a)
(a) The Government will make payment to the Contractor under the procedures in this clause for mobilization and preparatory work under item no. __________.
1 added, 1 removed
(e)
(e) (1) Payments will continue to be made for item no. ____, and all payments will be deducted from the contract price for this item, until the total deductions reduce this item to zero, after which no further payments will be made under this item.
(e)
(e) (1) Payments will continue to be made for item no. ________, and all payments will be deducted from the contract price for this item, until the total deductions reduce this item to zero, after which no further payments will be made under this item.
DEC 2016 December 22, 2016 SUBSTANTIVE
Earliest version available from the eCFR

Active Class Deviations

DFARS RFO Implementation (Part 36) Add clause 252.236-7003
MODIFIED
DFARS RFO Implementation (Part 1) Modify clause 252.236-7003
MODIFIED
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