Contractor_Q&A_-_Wall_Cucuta.pdf

Contractor Questions – Solicitation No. SCO15017R0013 – Concrete Defense Barrier Cucuta

Contractor Questions

For

Solicitation No. SCO15017R0013

Construction of Concrete Defense Barrier, Cucuta. Colombia

Following is a list of the questions that were submitted by prospective offerors for the above solicitation. Each question is followed by the Government’s response.

Question #1: We would like to know if you would be posting specifications for concrete.

Answer #1: Refer to the SOW of the actual solicitation for concrete specifications.

Question #2: Is required to construct a box culvert to protect/ cover the main electrical connection?

Answer #2: Protect all electrical / all utilities as required, submit in design as to how you propose to accomplish that task.

Question #3: Please provide drawings with reinforcement details

Answer #3: Refer to drawing 02 of the technical documents for reinforcement information. The re-bar shall be Fy= 60,000 psi (4,200 Kg/cm2) and Ø > 1/2-inch.

Question #4: Paragraph 4.2 of the SOW. How would you like us to guarantee 10 years paint???

There is no local paints which could provide that warranty period of time.

Answer #4: Offerors shall consult US paint manufactures and import if necessary.

Question #5: Paragraph 4.4. Warranty of the works. Are the insurance bonds going to be 10 years specifically the Stability bond???.

Answer #5: For durations and percentage of the insurances/bonds required, the offeror shall refer to attachment #4 of the solicitation package. Paragraph 4.4 refers to the specific system warranty that the offeror shall take into account.

Question #6: F’c of the concrete to be used. 5000 psi??? 3000 psi??? please clarify.

Answer #6: The F’c of the concrete shall be 210 Kg/cm2 (3000 psi).

Question #7: There is an electrical post that interferes with the axis of the wall. In order to be fair with all the offerors you must tell us what to do with that post, this couldn´t be a different solution for every offeror.

Answer #7: Each offeror is required to provide the solution which benefits his proposed plan.

Contractor Questions – Solicitation No. SCO15017R0013 – Concrete Defense Barrier Cucuta

Question #8: Is it required an inhibitor of corrosion for the steel reinforcement??? Corrosion is essential for the proper performance of the reinforced concrete.

Answer #8: No inhibitor of corrosion required for the rebar.