Am_0003.pdf

AMENDMENT 0003 CONTINUATION PAGE

Offeror Questions and Answers

1.) What is required setback for construction equipment for the Government-designed TRS?

*There is no required setback for construction equipment. Furthermore, the crane cannot be positioned on the levee crown, but may be placed on the protected or flood side of the levee during driving of piling. Prior to excavation of the TRS/TFP, the crane shall be removed from the proximity of construction free from bearing against the TRS/TFP sheet piling.

2.) Specification Section 01100-20c Special Work Requirements: This section states that construction operations at the East and West pipelines are to be performed concurrently. Please clarify the extent of concurrent operations required. Will the Government require that the Contractor provide duplicate equipment at each site? i.e. cranes, pile hammers, TRS, etc.

*Yes. Duplicate equipment will be required to perform concurrent operations. Concurrent Operations includes all work as stated within the Description and Magnitude of Work Paragraph located on the 4th Sheet. (i.e. construction of TRS/TFP, clearing and grubbing, embankment placement, etc.).

3.) Specification Section 01100-11 Vibration Monitoring: This section states that vibration monitoring is required for all pile driving, hauling and placement of any construction materials, movement of heavy equipment, etc.

a. Given that neither site is located in close to proximity to existing structures, is this extent of vibration monitoring required?

*No.

b. If vibration monitoring is required for all hauling and equipment movement, what are the locations along the haul route are required to be monitored?

*See previous response to comment 3a.

4.) Specification Section 31 23 16 – 3.5 references shoring requirements for construction of a floodgate monolith. Please clarify if this is in addition to the TRS required.

*Construction of a floodgate monolith is not required for this project.

5.) Are there any limitations to degrading the existing levees adjacent to the TRS for equipment access?

*The existing levee shall not be degraded for equipment access. However, the Contractor will be allowed to construct an access ramp from the barge, across the levee to offload and store equipment.

6.) Are there any limitations to placing heavy equipment on the existing levees adjacent to the

TRS?

*See previous response to comment 1.

7.) Plan Sheet G-004, General Notes – Civil, Note 12: What are maintenance requirements for the levee during construction?

*Clearing of debris, etc. Note that all damaged areas due to Construction Operations shall be restored to its pre-existing conditions upon completion of the project as per requirements stated in Spec Section 01100 Para. 17.

8.) Plan Sheet S-103, Jacking Sheetpile. Is the procedure detailed on this sheet a required method or a suggested method? Will the contractor be allowed to propose alternate methods for sheet pile installation at these locations?

*For bidding purposes, this is the required method for installation. Upon award of the contract, the Contractor may submit an RFI for review and approval, of alternative methods for installation.