--Modification to W912DS-05-R-0018 - Indefinite Delivery Contracts OPS-064, OPS-065, OPS-066, OPS-067 for Surveying within the North Atlantic Division.

The following are changes and clarifications to the previous announcement: 1. Delete and other Corps of Engineers locations from the title. This contract consists of a full range of surveying and mapping services within the North Atlantic Division. 2. Replace Up to four (4) Indefinite Delivery Contract will be negotiated and awarded with Multiple Indefinite Delivery Contracts will be negotiated and awarded. 3. Delete task orders under this contract will be assigned on a rotational basis with other contracts with similar scope of services. 4. Firms that have not previously sent in submittals for this announcement may do so. They should be sent to U.S. Army Corps of Engineers, 26 Federal Plaza, Room 1843, Attn: Scott Helmer, New York, NY 10278-0900. Submittals will not be accepted after 4:00 P.M. local time on 16 February, 2007. Firms that have previously sent in submittals should not resubmit.