FAR 52.236-2 Differing Site Conditions. Basic (Apr 1984)

As prescribed in 36.502,  the contracting officer shall insert the clause at 52.236-2, Differing Site Conditions, in solicitations and contracts when a fixed-price construction contract or a fixed-price dismantling, demolition, or removal of improvements contract is contemplated and the contract amount is expected to exceed the simplified acquisition threshold. The contracting officer may insert the clause in solicitations and contracts when a fixed-price construction or a fixed-price contract for dismantling, demolition, or removal of improvements is contemplated and the contract amount is expected to be at or below the simplified acquisition threshold.

Differing Site Conditions (Apr 1984)

(a) The Contractor shall promptly, and before the conditions are disturbed, give a written notice to the Contracting Officer of—

    (1) Subsurface or latent physical conditions at the site which differ materially from those indicated in this contract; or

    (2) Unknown physical conditions at the site, of an unusual nature, which differ materially from those ordinarily encountered and generally recognized as inhering in work of the character provided for in the contract.

(b) The Contracting Officer shall investigate the site conditions promptly after receiving the notice. If the conditions do materially so differ and cause an increase or decrease in the Contractor’s cost of, or the time required for, performing any part of the work under this contract, whether or not changed as a result of the conditions, an equitable adjustment shall be made under this clause and the contract modified in writing accordingly.

(c) No request by the Contractor for an equitable adjustment to the contract under this clause shall be allowed, unless the Contractor has given the written notice required; provided, that the time prescribed in paragraph (a) of this clause for giving written notice may be extended by the Contracting Officer.

(d) No request by the Contractor for an equitable adjustment to the contract for differing site conditions shall be allowed if made after final payment under this contract.

(End of clause)

NONE

Prime’s Interest;
Services ✖ Supplies ✖ C/R ✖ Time and Materials ✖ Demolition ✔ Construction ✔ Architect-Eng ✖ 

52.215-21 Requirements for Certified Cost or Pricing Data and Data Other Than Certified Cost or Pricing Data—Modifications.

52.216-16 Incentive Price Revision—Firm Target.

52.216-2 Economic Price Adjustment—Standard Supplies.

52.216-3 Economic Price Adjustment—Semistandard Supplies.

52.216-4 Economic Price Adjustment—Labor and Material.

52.216-5 Price Redetermination—Prospective.

52.216-6 Price Redetermination—Retroactive.

52.222-30 Construction Wage Rate Requirements—Price Adjustment (None or Separately Specified Method).

52.222-31 Construction Wage Rate Requirements—Price Adjustment (Percentage Method).

52.222-32 Construction Wage Rate Requirements—Price Adjustment (Actual Method).

52.222-43 Fair Labor Standards Act and Service Contract Labor Standards—Price Adjustment (Multiple Year and Option Contracts).

52.222-44 Fair Labor Standards Act and Service Contract Labor Standards—Price Adjustment.

52.222-55 Minimum Wages Under Executive Order 13658.

52.229-4 Federal, State, and Local Taxes (State and Local Adjustments).

52.229-6 Taxes—Foreign Fixed-Price Contracts.

52.232-29 Terms for Financing of Purchases of Commercial Items.

52.232-31 Invitation to Propose Financing Terms.

52.233-3 Protest after Award.

52.242-14 Suspension of Work.

52.242-15 Stop-Work Order.

52.243-1 Changes—Fixed-Price.

52.243-2 Changes—Cost-Reimbursement.

52.243-3 Changes—Time-and-Materials or Labor-Hours.

52.243-4 Changes.

52.243-5 Changes and Changed Conditions.

52.243-7 Notification of Changes.

52.250-5 SAFETY Act—Equitable Adjustment.

252.216-7000 Economic Price Adjustment—Basic Steel, Aluminum, Brass, Bronze, or Copper Mill Products.

252.216-7001 Economic Price Adjustment–Nonstandard Steel Items.

252.216-7003 Economic Price Adjustment—Wage Rates or Material Prices Controlled by a Foreign Government.

252.216-7007 Economic Price Adjustment—Basic Steel, Aluminum, Brass, Bronze, or Copper Mill Products—Representation.

252.216-7008 Economic Price Adjustment—Wage Rates or Material Prices Controlled by a Foreign Government—Representation.

252.217-7003 Changes.

252.217-7027 Contract Definitization.

252.227-7002 Readjustment of Payments.

252.232-7000 Advance Payment Pool.

252.232-7012 Performance-Based Payments–Whole-Contract Basis.

252.236-7003 Payment for Mobilization and Preparatory Work.

252.236-7004 Payment for Mobilization and Demobilization.

252.237-7023 Continuation of Essential Contractor Services .

252.239-7004 Orders for Facilities and Services.

252.241-7000 Superseding Contract.

252.243-7001 Pricing of Contract Modifications.

252.243-7002 Requests for Equitable Adjustment.

252.247-7000 Hardship Conditions.

252.247-7002 Revision of Prices.

252.249-7000 Special Termination Costs.

252.215-7015 Program Should-Cost Review.

1852.215-79 Price Adjustment for "Make-or-Buy" Changes.

1852.242-72 Denied Access to NASA Facilities

1852.243-72 Equitable Adjustments.

5252.211-9503 LEVEL OF EFFORT (COST REIMBURSEMENT) (NAVAIR)(DEC 2012)

5252.242-9515 RESTRICTION ON THE DIRECT CHARGING OF MATERIAL (VARIATION)

5252.243-9505 ENGINEERING CHANGES (NAVAIR)

5252.227-9505 TECHNICAL DATA AND COMPUTER SOFTWARE IDENTIFICATION IN ENGINEERING CHANGE PROPOSALS (ECPs) (NAVAIR)

5252.216-9200 Payment of Fixed Fee (Completion Type)

5252.216-9201 Payment of Fixed Fee Based on Staff-hours (Term Type)

5252.216-9205 Fee Determination and Payment (Indefinite Delivery Type Contracts)

5252.217-9201 Contract Maximum Amount

3052.216-70 Evaluation of offers subject to an economic price adjustment clause.

3052.216-71 Determination of award fee.

3052.231-70 Precontract costs.

5152.237-9000 Adjustments to Contractor’s Coefficient for Option Years (Job Order Contracts).

552.215-72 Price Adjustment—Failure to Provide Accurate Information.

552.216-70 Economic Price Adjustment—FSS Multiple Award Schedule Contracts.

552.216-71 Economic Price Adjustment—Special Order Program Contracts.

552.243-71 Equitable Adjustments.

552.246-70 Source Inspection by Quality Approved Manufacturer.

552.246-77 Additional Contract Warranty Provisions for Supplies of a Noncomplex Nature.

652.216-71 Price Adjustment.

652.237-70 Compensatory Time Off.

652.237-72 Observance of Legal Holidays and Administrative Leave.

952.204-76 Conditional payment of fee or profit—safeguarding restricted data and other classified information.

952.208-70 Printing.

952.216-7 Allowable cost and payment.

952.216-15 Predetermined indirect cost rates.

952.223-76 Conditional payment of fee or profit—safeguarding restricted data and other classified information and protection of worker safety and health.

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