25-1301 CmdCtrl Notice13.pdf
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- Solicitation number
- N6274225R1301
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This is a pre-proposal questions and answers document (Notice No. 13) for RFP N62742-25-R-1301, regarding the construction of a Guam Defense System Command Center. The document contains 23 technical questions (510-532) and their corresponding answers covering various aspects of the construction project.
Key clarifications include: specifications for solid surfacing materials will be provided in a forthcoming amendment, tree removal requirements (10 trees averaging 10 inches diameter and 25 ft height), custom fabrication requirements for FEBR louvers, confirmation that both stainless steel mesh and basaltic sand barriers are required for termite control, specifications for a 30mil UV and fuel resistant geomembrane liner for containment basins, and clarification that Supporting Facilities should include electrical distribution, utilities, site preparation, paving, communications tower, demolition, and environmental mitigation. The document also addresses technical questions about reinforcement details, probe and grout requirements for various foundations, and interior coatings for diesel fuel tanks.
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DEPARTMENT OF THE NAVY
NAVAL FACILITIES ENGINEERING SYSTEMS COMMAND PACIFIC
258 MAKALAPA DR STE 100
PEARL HARBOR HI 96860-3134
RFP N62742-25-R-1301
Notice No. 12
Notice No. 13 4 February 2025
PRE-PROPOSAL QUESTIONS & ANSWERS
RFP N62742-25-R-1301
FY25 MCON P-693 PACIFIC DETERRENCE INITIATIVE: GUAM DEFENSE SYSTEM
COMMAND CENTER,
JOINT REGION MARIANAS, GUAM
NOTE: The following questions and answers are provided for INFORMATION ONLY. The RFP remains unchanged unless it is amended in writing on a Standard Form 30.
510. Reference Specification Section 06 61 16.00 14, para 2.1.3, and Drawing 14CC-A-601 "Provide pattern and color for all solid surfacing material components and fabrications as indicated on the material finish legend drawing; colors listed are not intended to limit the selection of equal colors from other manufacturers."
However, drawing 14CC-A-601 only specifies the eased edge, polished finish, and thickness of the countertops, with no mention of the required colors or patterns for SS1 and SS2. Please provide the pattern and color for SS1 and SS2.
ANSWER: An updated 14CC-A-601 will be provided in a forthcoming amendment to add additional information regarding design intent.
511. Reference Drawing 14ST-CD102~CD109, Keynote #05 - Remove Existing Tree.
Please provide the size (height, trunk caliper, and root size/depth) of trees to be demolished.
ANSWER: Assume 10 trees with an average diameter of 10 inches and height of 25 ft. Further information is unavailable.
512. Reference Response to RFI 250 and drawing sheet 14CC-A-202 Keynote 3.
We are unable to locate a manufacturer that supplies Stainless Steel or Aluminum FEBR
Louver. Please advise if hot dip galvanized FEBR Louver is acceptable in lieu of Stainless Steel or Aluminum. If not, please kindly assist in providing contact for basis of design for Stainless Steel FEBR Louver Screen Wall.
ANSWER: Product is not expected be off-the-shelf and will be custom. It is believed it can be designed and fabricated, and then tested and certified to meet specification 08 34 01.00 14 and 08 34 02.00 14.
513. Reference Drawing 14CC-A-611 (Amendment 10)
RFP N62742-24-R-1327
Doors 135B (45 MIN), 143B (90 MIN), and 146B (90 MIN) are specified with fire ratings.
However, our suppliers confirm aluminum doors cannot be fire-rated. Besides stainless could you consider alternative materials, such as Hollow Metal (HM) or Fiberglass Reinforced Plastic (FRP), to meet the requirements?
ANSWER: No, use stainless steel.
514. Reference Notice No. 7, Question 250, confirms that stainless steel or aluminum is acceptable for the Louver Screen Wall. Does this also apply to the standard metal wall louvers as specified in the Louver Schedules?
ANSWER: Yes.
515. Reference Drawing Detail C3/14CC-A-521, Detail C1/14CC-A-522, Detail A1/14PP-A-
521 (Command Center & Power Plant) Please confirm if the rectangular and square downspouts on the command center and power need to be painted. If yes, please provide the schedule of finish.
ANSWER: Yes, these are to be painted to match the “Tobacco Brown” Elastomeric coating on the precast gutters.
516. Reference Specification Section 01 45 00.00 14 paragraph 1.6.5 The Experience Matrix Table call for Exterior Finish System Inspector and states “See
Section 07 24 00.00 14 Direct Exterior Finish Systems (DEFS).”
Please confirm Exterior Finish Inspector for DEFS is not required as this project does not call for DEFS finish anywhere on drawings.
ANSWER: Confirmed, it is not applicable.
517. Reference Drawing 14CC-A-621.
The Command Center Building Louver Schedule indicates wall louvers to be aluminum.
Louver details are indicated to be FEBR. Several louver vendors retracted quotes as aluminum will not meet FEBR. Please advise if hot dipped galvanized louvers is acceptable.
ANSWER: See answer to question 512.
518. Reference Drawing 14CC-S-516 Detail B3/14CC-S-516 calls out detail D3/14CC-S-516 for reinforcement detail, but detail
D3 does not exist. Please provide detail.
ANSWER: In Detail B3/14CC-S-516, replace the call out of D3/14CC-S-516 with C3/14CC-S- 516.
519. Reference Drawing 14PP-S-103 Wall footing (FC-202-24) for the generator enclosure wall per Sheet 14PP-S-103 showed
16’-10” width x 2’0” thick. Please confirm if probe and grout is required and if required please confirm that the probe and grout depth of 4 times the footing width (16’10” at 4 times) 67’-4” deep is required.
ANSWER: Confirmed. Probing and grouting are required for the footings of the generator enclosure wall. Probing and grouting depth is 4 times the footing width.
520. Reference Specification Section 31 00 00.00 14 Please confirm if the walls for the Transformer enclosures, Trash enclosure and site retaining walls requires probe and grout?
ANSWER: Probing and grouting is required for the transformer enclosure and site retaining walls. Probing and grouting is not required for the trash enclosure.
521. Reference Detail B3/14 CC S516 calls out detail D3/14 CC S516 for reinforcement detail, but detail D3 does not exist. Please provide detail.
ANSWER: See answer to question 518.
522. Drawing 14CC A602 Amd 2 added SDT1 floor finish type to finish schedule, but SDT1 not shown in finish materials or abbreviations. Please clarify what SDT1 is material is.
ANSWER: Drawing 14CC-A-601 will be revised in forthcoming Amendment.
523. Drawing 14CC S141 calls out detail A2 14CC S545, but A2 detail does not exist.
Please provide detail.
ANSWER: Detail A2/14CC-S-545 is not called out on 14CC-S-141. Offeror to confirm they are looking at RFP set and not prior draft sets.
524. Detail B1/14ACS402 calls out rebar in stem wall as 4 #6 each face, but also calls it out as
#5 @10” OC EF. Additionally it calls out the U Bar as #4 @ 12” OC each face, but also as #4 @ 10” OC w/ STD Hooks. Please clarify rebar size and spacing.
ANSWER: Disregard the #5@10”OC Each Face and the #4@12”OC Each Face.
525. Specification Section 31 31 16.19 14 Termite Control Barriers calls out two types of barriers. Stainless Steel Mesh Barrier and a Basaltic sand layer. Please clarify if both systems are required.
ANSWER: Both systems are required. See also responses to questions 261 and 503.
526. Reference Drawing 14ST – C-518 The containment Basin section C1, shows a fuel resistant liner to be applied inside the basin. Please provide specifications for the fuel resistant liner.
ANSWER: Provide a 30mil UV and fuel resistant geomembrane liner.
527. Reference Drawing 14ST – C-543 The Sand Filter Detail A1, shows a fuel resistant liner to be applied inside the basin.
Please provide specifications for the fuel resistant liner.
ANSWER: Provide a 30mil UV and fuel resistant geomembrane liner.
528. Reference Specification Sections 33 56 10.00 14, 09 96 00.00 14 Paragraph 2.5.1 of specification section 33 56 10.00 14 states to “coat 100 percent of a metal tank’s interior surfaces including all metal piping and metal appurtenances with ferrous and galvanized metal surface coating as specified in section 09 96 00.00 14 High- Performance Coatings.” Paragraphs 2.2.1.3, 2.2.2.3, and 2.2.3.3 of Section 09 96 00.00 14 are all titled “Ferrous and Galvanized Metal Surface Coatings.”
Which one applies to the fuel tanks? Please advise.
ANSWER: For the interior coatings of the diesel fuel tanks, follow specification 09 96 00.00 14 High-Performance Coatings section 2.2.1 Epoxy Coatings and the subsection that applies to galvanized steel 2.2.1.3 Ferrous and Galvanized Metal Surface Coatings.
529. Reference Specification Section 31 31 16.19 14 Termite Control Barriers sub section
3.3.2.1 notes to provide barrier layer at SOG. Please confirm Command Center is on Mat Foundation not a Slab on Grade, so basaltic sand layer is not required at this location.
ANSWER: Non-concur, SOG is a generic term and a mat foundation is a type of slab-on-grade.
A basaltic sand layer is required under the Command Center mat foundation.
530. Reference Specification Section 31 31 16.19 14 Termite Control Barriers sub section
3.3.2.1.1 notes providing basaltic sand (under ASTM 136) bedding at utility trenches. Spec Section 31 00 00.00 14 Earthwork notes utility bedding to comply with AWWA C600 and sand with ASTM D2487. Please clarify what bedding material to be utilized at utility trenches.
ANSWER: Basaltic sand must be used for utility bedding of utilities within limits of concrete slabs or foundations of structures as part of the Basaltic Sand System defined in paragraph 2.1.2 of Section 31 31 16.19 14 Termite Control Barriers. Bedding for utilities outside of slab or foundation limits must follow requirements of Section 31 00 00.00 14 Earthwork.
531. Reference Drawing 14PP-A-611 Notice 12 response to RFI 496 states “Due to its proximity to the Command Center, it is considered critical infrastructure. Louvers are required to be FEBR.” Drawing Sheet 14PP- A-611 indicates these Louvers as Aluminum Louvers. Aluminum louvers will not meet Forced Entry and Ballistic Ratings. Please advise if Hot Dipped Galvanized FEBR Louvers is acceptable in lieu of Aluminum Louvers. If not, we humbly request that contact information for basis of design FEBR louvers be provided.
ANSWER: See response to question 512. Louver material requirements for the Power Plant will be clarified via Amendment.
532. Reference Am0001 Complementary Pricing Information. The line items on the form indicates pricing for each Facility to the 5-foot line.
Please indicate what structures should be included in the last line item-Supporting Facilities and if the Antenna Tower and Foundation is included as a Supporting Facility.
ANSWER: Supporting Facilities should include Electrical Distribution, Utilities (Water & Sewer), Site Preparation, Paving and Site Improvements, Communications Tower and Distribution, Demolition, and Environmental Mitigation.
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