Amendment 10- Questions and Answers Solicitation 12405B21R0002.pdf

Mayaguez Underground Electrical System Questions from site visit 2022

1. On Building 1, there is a “Traditional Telephone utility” and another area with Optic Fiber “Data Room” on different rooms. The new communication system will serve will one of them?

LIBRARY COPY ROOM

2. We request al Allowance for the costs on construction Plans until final approved By PREPA, because PREPA does not provide an estimate for the costs on construction plans until final approval. On Solicitation 12405B21R003-Isabela our request was accepted. This is good to all parts due costs can’t be determined on this moment. Or the owner could propose the costs.

Isabela:

3. Please provide Feeder Schedule on secondary X3-1, X3-2, X4-1 and X4-2.

4. Please provide circuits on electrical one line and feeder Schedule of ATS3-2 and ATS4- 1 with PM (X4-1 and X3-2)?

As example on Solicitation 12405B21R003-Isabela:

ISABELA

5. Protection System to each Building was not identified according to existing on the PM to each one. Please specify the Main Distribution Panel witch circuit for each one of PM to each building. This for the benefit of all of us.

6. According to the answer provided to question #14, the lights of perimeter Poles will be connected to an existing emergency circuit. Please Identify on Drawings the emergency circuits because on the Site Visit was never identify on field.

Preg14:

7. Fiber Optic

a. How many strands will have the fiber optic entrance cable that comes from the street?

b. How many fiber strands will be required at each building?

c. Does the fiber optic entrance cable that comes from the street will be spliced to each building using active equipment switches at manholes?

d. Does the fiber optic entrance cable that comes from the street will run to the main building and then share out to each building using a main fiber switch?

e. Who is going to provide the active equipment (switch) required to complete the project?

f. Fiber Optic Cable required will be Singlemode?

g. Does the project design for the fiber run (s) required be a “star topology” or a “ring topology”?

8. Telephone Backbone

a. How many pairs will have the cooper telephone cable that comes from the street?

b. How many telephone pairs will be required at each building?

c. Does the telephone cable that comes from the street will be spliced outside each building using a “ring topology”?

d. Does the telephone cable that comes from the street will run to the main building and then share out to each building?

e. Who is going to provide any electronic telephone related active equipment?

f. Does the project design for the telephone cable runs will be installed as a “star topology” or “ring topology” or a combination of both?

g. What will be the timeframe for the project?

1. See attached update.

2. This will be acceptable.

3. See attached update.

4. See attached update.

5. For each structure, maintain existing electrical service entrance.

6. Existing exterior lighting circuits are to be preserved, spliced as required and rerouted underground. Remove suspended sections and route underground.

7.

a. See update attached.

b. See update attached.

c. See update attached.

d. See update attached.

e. All active equipment is Government Furnished Government Installed. Project boundaries are utility point of connection to existing equipment or new fiber patch panel.

f. See update attached.

g. See update attached.

8.

a. See update attached.

b. See update attached.

c. See update attached.

d. See update attached.

e. All active equipment is Government Furnished Government Installed. New cabling is to be terminated at existing punch downs.

f. See update attached.

g. 180 days from the notice to proceed.

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