Amendment_0003_for_W912C318B0002,_Pad_Mounted_Transformers,_26_July_2018.docx

W912C318B0002

SECTION SF 30 BLOCK 14 CONTINUATION PAGE

The following items are applicable to this modification:

Q&AS

Questions and Answers for Invitation for Bid (IFB) W912C318B0002, Pad Mounted Transformers

Q1. For item 13B Offer Guarantee – U-SMC will be submitting our proposal via email so will the government accept a notarized electronic copy, or is a hard copy of the bid guarantee required for this proposal? Please advise.

A1. The Bid Bond can be scanned and provided via email with the entire bid package. However, the lowest 3 (three) bidders will be advise to provide a hard copy within 7 calendar days after the bid opening.

Q2. Question related to FAR 4.102, Contractor's Certification listed on Page 206 of 229. I will be submitting the proposal via email so will the government accept a notarized electronic copy, or is a hard copy of seal needed on this document for this proposal? Please advise.

A2. Contractors are allowed to submit the Contractor’s Certification via email with the entire bid package. As a matter of fact, contractors are not required to notarize the Contractor’s Certification.

Q3. Is the Stafford Act applicable to this IFB?

A3. Yes. The award under this requirement will be made pursuant to the Robert T. Stafford Disaster Relief and Emergency Assistance Act as amended by the local community recovery act of 2006, P.L. 109-218. This act gives preference— “to the extent feasible and practicable” — to contractors residing, or doing business, in the affected area, in this case Puerto Rico.

The following Federal Acquisition Regulation (FAR) clauses are added to the solicitation:

52.226-4 Notice of Disaster or Emergency Area Set-Aside (Nov 2007)

52.226-5 Restrictions on Subcontracting Outside Disaster or Emergency Area (Nov 2007)

Q4. On Drawing Sheet T-4 it is required to build a new concrete pad which will be higher than the existing pad. Can the primary & secondary conductors be spliced or is it necessary to re-wire new feeders? If new conductors are required, please provide the length and gauge of the new feeders.

A4. Only Primary feeder is required to be new. See note 15 of drawing instructions for conductors gauge. Secondary feeder will be re-used. Distance from transformer to bottom of pole raiser is approximate 225ft. Splicing is not necessary, according to government appreciation there is enough cable for elevate the transformer 6 to 8 inches (picture provided). Pad can be done 6 inches tall instead 8 inches in order to reach with existing secondary cables. In the worst case scenario splicing method will be the solution, utilizing hydraulic cable puncher, cooper compression connectors and termination kits. As per the SOW, contractor will be required to submit a Certificate of Competency for Cable Splicer/Terminator. Make terminations and splices with materials and methods as indicated or specified in the specifications and as designated by the written instructions of the manufacturer. Complete any other requirements as per technical specifications.

Q5. Does DPW require new energy & demand meters and current transformers or should we re-install the existing meters.

A5. Re-install existing meters and current transformers as per drawing instructions. Contractor shall record building and CT’s rotation phasing before shutting down.

Q6. Please inform on which facilities it is required to install a temporary generator while we perform the replacement or repairs such as painting, pad repairs, rewiring testing, etc.

A6. No generator was requested for this job. If buildings to be worked do not possess generator, contractor may perform the job out of regular working hours, weekends and holidays. In case that the building do not shut off operations during weekends, Fort Buchanan will find an alternative along with the tenant’s convenience.

Q7. Please provide photos of the transformers to be replaced (12ea).

A7. Pictures were provided via Amendment 0001. A substantial amount of pictures has been provided in order to have an idea of how are the conditions of most of the transformers.

Q8. Please provide size & length of all feeders to be replaced.

A8. AWG #2 RHW, XLPE at 90C, polyethylene, 15kV primary cable.

Approximate feeder length (1 cable);

Bldg. 148: 95ft Bldg. 168: 260ft Bldg. 73-78 (74): 245ft Bldg. 152: 65ft Bldg. 660: 245ft

Q9. Please provide information of circuit breakers, panels, switches and other equipment and devices that must be installed/replaced.

A9. Bldg. 194;

Lighting contactors 250 amps, 208v, 3 poles.

Panel Board 120/208v, 100 amps, rain tight:

One (1)125 amps, 3 poles, 240v One (1) 225amps, 3 poles, 240v One (1) 200amps, 3 poles, 240v One (1) 150amps, 3 poles, 240v 10kA each

Molded case circuit breakers:

Bldg. 148- 800 amps Bldg. 152- 500 amps (NO LONGER PART OFTHIS CONTRACT) Bldg. 1031- 800 amps Bldg. 660- 2500amps Bldg. 194- (NOT APPLY, NOT LOAD CENTER INSIDE OF TRANSFORMER)

Pictures to support Q&A number 9

Pictures to support Q&A number 9

Picture to support Q&A number 9

Q10. Will you be providing pictures of the Transformers not seen? If so they should contain the 4 angles, Door open and inside.

A10. See answer to question number 7.

Q11. Can we provide an alternative solution if corrosion is large and has affected the area, instead of repairing consider to be replaced?

A11. No. It was not considered in the SOW. Nonetheless, the contractor shall evaluate/consider the most cost effective way to complete this task.

Q12. Will you be proving the distance from the primary feeder to the areas to be repaired / replaced? Very important matter.

A12. See answer to question number 8.

Q13. If during the maintenance requested we find electrical components that need to be replaced, how should this be considered? (Even though we will be considering - hidden damages)

A13. This will be treated as an unforeseen conditions, if any. In that case, FAR Clause 52.236-2, Differing Site Conditions, will apply.

Q14. Will a second Site Visit be considered to view the areas not seen in previous Site Visit?

A14. Yes, a second site visit has been scheduled for August 2, 2018 at 9:00 a.m. This site is not mandatory but highly encourage. Bidders that are interested in participating in the site visit are required to send a notification to baryan.a.sierra.civ@mail.mil and christine.davis1.civ@mail.mil. The meeting point will be at the Fort Buchanan's Visitor Control Center (VCC) parking lot.

Q15. As discussed in the June 28, 2018 pre-solicitation meeting, please send available pictures of all equipment to be worked on.

A15. See answer to question number 7.

Q16. As discussed in the June 28, 2018 pre-solicitation meeting, please send measured lengths of all new five high voltage feeders.

A16. See answer to question number 8.

Q17. When electrical loads are disconnected, who will provide generators or other means to feed those loads while subject equipment is being serviced or replaced?

A17. The Scope of Work (SOW) requires the contractor to perform all disconnections/power outages on non-business hours (Monday through Friday after 4:00 PM, weekends and/or Holidays. All power outages have to be coordinated several weeks in advanced (see SOW for specific timeframe). Buildings having generators can be performed during regular hours of operation but is require to make the power outage process as well. The work shall be completed in a manner that the affected tenants stay without power from the grid the less time possible. In case that a building doesn’t have their own generator, contractor shall coordinate the replacement for out of regular working hours, weekends and holidays.

Buildings that have generators are the following:

1- T-1 2- T-2 3- T-6 4- T-7 5- T-8 6- T-10 7- T-15 8- T-16 9- T-168 10- T-169 11- T-27 12- T-28 13- T-34 14- T-35 15- T-44 16- T-47 17- T-48 18- T-53 19- T-56

20- TX-6

21- YX-7

Power outages for the following transformers can be performed during week in coordination with the correct power outage process.

1- T-23 2- T-24 3- T-26 4- T-36 5- T-37 6- T-40 7- T-43 8- T-45 9- T-49 10- T-50 11- T-51 12- T-54

Q18. When replacing transformers, if existing cable lengths end up being short, will owner allow splices to resolve this problem? Or will new cable have to be installed on contractor’s account?

A18. Pending response from the Government.

Q19. When testing electrical equipment, if any equipment test results indicate damage beyond repair and not fit for being returned to service, how will owner pay for the extra work of providing new replacements?

A19. Only new equipment will be tested.

Q20. We understand contractor will dispose of all replaced equipment except those noted on the drawings. In case of transformers, are all transformers certified NON PCB? Can transformers be disposed with local scrap dealers?

A20. Per the SOW Section 01 11 00, Paragraph 1.24, all transformers to be removed are free of Polychlorinated Biphenyls (PCB). Contractor shall dispose the equipment following environmentally safe and lawful disposal. Only EPA permitted facilities shall be utilized. In addition, Paragraph 1.10 of the same section indicates that contractor shall provide manifests from the disposal facility.

Q21. What will the procedure to follow in case that an oil leakage or spill is detected before starting the maintenance or replacement works?

A21. Contractor shall report the spill or leak to the fire department (787-707-3410) and to the environmental division (787- 707-3522). Spill prevention kit shall be accessible and provided by contractor. All this shall be written in the environmental plan.

Q22. Confirm that no replacement parts has to be included in the maintenance scope of work like lighting arresters, safety switch devices, cable terminations, etc., unless it is indicated in the notes.

A22. No. Only for new equipment or cable as requested in drawings or SOW.

Q23. Provide a list of the facilities that can’t be shut down during regular working hours and the contractor has to work out of regular hours to complete the work.

A23. All that were not included on the answer to question number 17.

Q24. Does any emergency generator has to be supply for temporary facilities power?

A24. Not required by the scope.

Q25. Please provide the quantity and distances of each primary and secondary feeder to be replaced.

A25. See answer to question number 8.

Q26. Note 1: What type of material is required to repair the holes caused by the corrosion?

A26. Sheet metal.

Q27. Note 2: What type of ground test is required to the transformers/substations?

A27. Ohms ground resistance test.

Q28. Note 9: What is the procedure to follow if any of the cables do not have the reconnecting?

A28. Pending clarification from the contractor that submitted the question.

Q29. Note 15: What is the procedure to follow if any of the existing conductors cannot be removed?

A29. Use the spare conduit.

Q30. We require a bid postposition for two extra weeks in order to quote all the required materials and services.

A30. The bid opening is extended through 15 August 2018 at 9:00 am. Bidders are reminded that the Contracting Officer has authorized electronic bids. The preferred method for bid submission is via email at baryan.a.sierra.civ@mail.mil and christine.davis1.civ@mail.mil. Ensure that a copy of the bid bonds and all amendments are included in the bid package.

Q31. Provide pictures of the transformers area (interior and exterior), because we did not visited all the areas. This will help us to provide a reasonable price. It’s important to include pictures from inside and outside of the transformers that will be replaced as the ones on notes 3, 5 and 6.

A31. See answer to question number 7. The site visit covered transformers with instructions from notes 3, 5 and 6.

Q32. Provide distances of the cables, quantity and the capacity of the ones that will be replaced as per note 15.

A32. See answer to question number 8.

Q33. Do we need to provide office facilities for the inspection personnel?

A33. No, the government does not require office facilities for inspection personnel. Nonetheless, it is up to the bidder to consider a temporary facility. Section 01 50 00, Temporary Construction Facilities and Controls, indicates what the minimum requirements for temporary facilities are.

Q34. Provide specifications of the 5 molded case CB of note 12. Specify which of them will be replaced, because on the site visit the CB on the T8 were missing and the comment was that was already replaced.

A34. See answer to question number 9. Will be a total of 3 instead 5.

Q35. T-25, on the site visit, the boxes attached to the Transformers did not were opened. Just one was identified, and the one for lighting contactor do not match with the quantities of the equipment indicated on the note 5. Please provide pictures of all the boxes, interior and exterior and their capacities and specifications.

A35. See answer to question number 9 and below pictures for more information.

Pictures to support Q&A number 35

Picture to support Q&A number 35

Q36. Please provide how many existing Power Meter Enclosure are and provide pictures of them as per note 13.

A36. See Note # 13 in the drawings. Pictures of meters are along with transformers pictures.

Q37. Note 23 it’s not applicable to any case on the table. To which is referring to?

A37. To all equipment in the table primary and secondary side. New cable shall be cooper. Only reuse ground entering to the pad. Attach to cable with Grounding terminal lugs, compression connectors (solderless).

Q38. On each work place, are utilities (power and water) available?

A38. As per Section 01 11 00, Paragraph 3.2, where feasible the government will furnish water and power needed for cleaning or maintenance of sites. Otherwise the contractor shall consider to provide its own source.

Q39. Cleaning and paint jobs where corrosion exists, do we need to work with sheet metal? If yes, please provide pictures and how many. We only consider the elimination of corrosion without any type of metal patch that requires sheet metal work.

A39. Yes. Pictures are not available; however there are an approximate of 4 transformers/trans closures that will require work with sheet metal.

Q40. The tests requested in note # 4 will only be made to new transformers?

A40. Correct.

Q41. Utilities for the temporary’s facilities will be provided by the owner and contractors should pay for the utilities monthly service?

A41. No, as per Section 01 50 00, Paragraphs 3.2.5 and 3.2.6, utilities (limited to power and water) will be furnished by the Government.

Q42. There will be a blackout in some areas for various days, the owner will provide power or contractor should contemplate the cost? If the contractor should considerate the cost, please identify the transformer and the form that will be considerate.

A42. The Scope of Work (SOW) requires the contractor to perform all disconnections/power outages on non-business hours (Monday through Friday after 4:00 PM, weekends and/or Holidays. All power outages have to be coordinated several weeks in advanced (see SOW for specific timeframe). The work shall be completed in a manner that the affected tenants stay without power the less time possible. Some of the buildings have their own dedicated generator. In case a building doesn’t have their own generator, contractor shall coordinate the works out regular working hours, weekends or holidays. See more details regarding to this, in question Q17.

Q43. Please provide an additional time for questions submission after all the pictures are provided.

A43. Amendment 0001 extended the period for submission of questions through 19 July 2018 at 9:00 a.m.

Q44. New substations need to be a specific brand or it could be any brand that comply with American fabrication?

A44. Comply with the Buy American Act but shall as well have all requirements and accessories indicated in the SOW, including nitrogen gauge.

Q45. Who will be in charge of de-energizing lines in order to perform works? PREPA?

A45. The Directorate of Public Works (DPW), Operations and Maintenance (O&M) Division personnel will be in charge of all power outages. The Puerto Rico Electric Power Authority (PREPA) will not be involved in this project.

Q46. What will be the time frame for leaving areas without power in order to perform works? Especially in the one that needs to be replaced.

A46. There is no specific time for leaving the areas without power. Hours shall be determined by each case. Recommend to have testing companies on site when outages occurs. Replacement of transformers may be done in one complete day including feeder replacement and tests. Corrosion correction, painting, cleaning and extra works may take 2 or 3 days of shut downs. Contractor will provide the schedule for government approval. See questions 17 and 42 for more details.

Q47. In the Maxie Williams pad mounted transformer location, there are two electrical boxes with apparently lighting contactors for the ballfield. Can you provide information and drawings about these two boxes? Can you provide a specification for these two boxes? What type of NEMA enclosure is needed? Dimensions? Contactor arrangements and sizes? Please let us know.

A47. See answer to question number 9. NEMA of boxes are specified in Note #5 of drawings.

Q48. Important provide distances of the cables, quantity and the capacity of the ones that will be replaced as per note 15.

A.48 See answer to question number 8.

Q49. We can't quote two Boxes, Load Center and the Lighting Contactor of the T-25 BDG 194, Note 5, please provides this information. On the site visit, the boxes attached to the Transformers did not were opened. Just one was identified as load center and this one can be the load center and one for lighting contactor this do not match with the quantities of the equipment indicated on the note 5. Please provide pictures of all the boxes, interior and exterior and their capacities and specifications.

A49. See answer to question number 9. Two boxes are; a load center and a lighting contactors box.

Q50. Please clarify the jobs for BLDG 512 (T-38), as per the picture sent, page 158, this job required repair and paint, but Note #7 just request cleaning.

A50. Do not require paint and repair. Only requires work as per note #7 in the drawings.

Q51. Provide pictures of the PM T-39 (BLDG 514) which will be replaced.

A51. Pictures were uploaded as an attachment of Amendment 0001. Pictures can be found in the Federal Business Opportunities website at https://www.fbo.gov/index?s=opportunity&mode=form&id=97492909b416c61f6d630f498996bdc3&tab=core&_cview=1

Q52. Provide the length distances for the new primary risers to be replace.

A52. See answer to question number 8.

Q53. Do we have to consider the replacement of any item other than the cable terminations (stress cones) at the concrete pole risers shown in "Concrete Pole Detail" drawing E-2?

A53. The job also includes feeders on 5 locations and raiser where indicated in drawings or SOW.

Q54. In the SOW, page 21, article 5.6 (Restoration), the last sentence reads " Clean interior of the unit, replace ground terminal lugs and replace hot terminal connectors.", please indicate if by replace hot terminals you refer to provide and install new hyseal lugs and connector for all feeders on the secondary side of the pm transformers and substations.

A54. No. Only ground terminal lugs. No hot terminals needs to be replaced.

Q55. Does the contractor has the choice of extend the secondary feeders and or modify the concrete pads in case the new circuit breakers for some of the transformers come in a separated switchboard type enclosure?

A55. Pending response from the Government.

Q56. There is an issue not firmly established in the specifications regarding the transformers witness tests (Page #150/229, article 2.7.1 "Transformer Test Schedule"). The intention of the government to witness the transformers test, needs to be clarify because this activity represents a cost that must be included in the proposal. If this is not necessary then the contractors have to be aware.

A56. Government will witness only tests at the field. Not consider government to witness manufacturer routine and other tests.

Q57. We need the distances of the pad mounted feeders from the following areas:

According to the work schedule these feeders are going to be replaced and for that reason we need to know the distances to be able to consider the necessary cable for each area. On addendum # 1 those distances are not described...We need this information as soon as possible...

A.57 See answer to question number 9.

SUMMARY OF CHANGES

SECTION 00010 - SOLICITATION CONTRACT FORM

The required response date/time has changed from 27-Jul-2018 09:00 AM to 15-Aug-2018 09:00 AM.

SECTION 00700 - CONTRACT CLAUSES

The following have been added by full text:

52.226-4 NOTICE OF DISASTER OR EMERGENCY AREA SET-ASIDE (NOV 2007)

(a) Set-aside area. Offers are solicited only from businesses residing or primarily doing business in Puerto Rico. Offers received from other businesses shall not be considered.

(b) This set-aside is in addition to any small business set-aside contained in this contract.

(End of provision)

52.226-5 RESTRICTIONS ON SUBCONTRACTING OUTSIDE DISASTER OR EMERGENCY AREA (NOV 2007)

(a) Definitions. The definitions of the following terms used in this clause are found in the Small Business Administration regulations at 13 CFR 125.6(e): cost of the contract, cost of contract performance incurred for personnel, cost of manufacturing, cost of materials, personnel, and subcontracting.

(b) The Contractor agrees that in performance of the contract in the case of a contract for--

(1) Services (except construction). At least 50 percent of the cost of contract performance incurred for personnel shall be expended for employees of the Contractor or employees of other businesses residing or primarily doing business in the clause at FAR 52.226--4, Notice of Disaster or Emergency Area Set-Aside;

(2) Supplies (other than procurement from a nonmanufacturer of such supplies). The Contractor or employees of other businesses residing or primarily doing business in the set-aside area shall perform work for at least 50 percent of the cost of manufacturing the supplies, not including the cost of materials;

(3) General construction. The Contractor will perform at least 15 percent of the cost of the contract, not including the cost of materials, with its own employees or employees of other businesses residing or primarily doing business in the set-aside area; or

(4) Construction by special trade Contractors. The Contractor will perform at least 25 percent of the cost of the contract, not including the cost of materials, with its own employees or employees of other businesses residing or primarily doing business in the set-aside area.

(End of clause)

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