Attachment 9 - Response to Questions.pdf

19AQMM25R0005 - MSJ Monitoring Center, Costa Rica

NMBR QUESTION

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ANSWER TYPE

1 We kindly request an extension of the proposal due date to 3rd of January of 2025.

Please provide HVAC drawings, as only power supply drawings are included in the package.

E1.9

Air conditioning units (evaporators, condensers, disconnectors, and cassettes) , must be included in the proposal.

3 Please provide stormwater system drawings, as they are not included in the package. The roof is not going to change . We keep the existing gutters and downspouts. MECHANICAL

Please confirm whether OBO standards take precedence over the specifications included in the drawings and documents.

Per the SOW, Section 9, "The Contractor shall adhere to any applicable Costa Rica construction codes and/or the International Building Codes (IBC) (whichever is the most stringent) as applicable when performing Municipality of San Jose Regional

Monitoring Center Remodeling." OBO standards do not apply to this project.

5 Please provide the OBO standards.

Per the SOW, Section 9, "The Contractor shall adhere to any applicable Costa Rica construction codes and/or the International Building Codes (IBC) (whichever is the most stringent) as applicable when performing Municipality of San Jose Regional

Monitoring Center Remodeling." OBO standards do not apply to this project.

Regarding the demolition of the walls, are all walls made of reinforced concrete, or are there lightweight walls? If there are any, please indicate them on the floor plan.

Most of the existing walls are brick masonry walls. STRUCTURAL

Please clarify whether the demolition of the hatch is required for the emergency door on the second level, as it is not indicated in the architectural plan. Additionally, please specify the construction type of the wall to be demolished—whether it is reinforced concrete or lightweight.

The wall to be demolish on second level is a brick masonry wall. STRUCTURAL

Please clarify whether the air conditioning units (evaporators, condensers, disconnectors, and cassettes) need to be included, or if only the piping, wiring, and connections should be provided. If the units are to be supplied, please include the technical specifications that must be met.

E1-12

Air conditioning units (evaporators, condensers, disconnectors, and cassettes) , must be included in the proposal. All units single phase, 240 V, capacity specified in Panel K directory, drawing E1-12

ELECTRICAL

The Scope of Work mentions a urinal partition; however, in the remodeled floor plan, it shows the urinal next to a bathroom, which includes a partition wall. Please clarify if the partition needs to be installed in the wall or if it should not be included.

Additionally, we request the type of material to be used for the bathroom partition panels

The urinal partition type out of contract O.O.C. Refer to sheet A-23/ PARTICION DEL

MINGITORIO NO ENTRA EN CONTRATO REVISAR LAMINA A-23

ARCHITECTURAL

Regarding the doors, please clarify whether the bathroom doors on the second level and the doors in the administrative area need to be replaced, as they are not marked on the floor plan. If they are to be replaced, please provide their specifications.

A-24, A-25

In sheet A-14, the door typologies are marked. Check the door details on sheets A-24 and A-25. A change in door typology is applied, from P2 to P4, in areas (203-202-204). /

En la lámina A-14 están marcadas las tipologías de puertas. Revisar los detalles de puertas en las láminas A-24 y A-25. Se aplica un cambio de tipología de puertas, de P2 a

P4, en las áreas (203-202-204).

ARCHITECTURAL

In the administrative area, three chairs and two L-shaped desks, along with one single desk, are shown. Should the supply and installation of the single desk be included?

Please clarify the total number of desks and chairs required.

A-26

New furniture type C1 in (203): single desk. Correction made, refer to sheet A-26. /

Mobiliario nuevo tipo C1 en (203): escritorio sencillo. Corrección realizada, revisar lámina A-26.

ARCHITECTURAL

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Please clarify the type of finish required for the Type 1 concrete walls to be constructed, as the details reference the existing walls. Should the finish be the same as that of the existing walls, or is a different finish specified?

A-13, A-17 Correct, it has the same type of finish. Refer to sheets A-13 and A-17. / Correcto, lleva el mismo tipo de acabado. Ver lámina A-13 y A-17.

ARCHITECTURAL

Clarify whether the entire metal structure needs to be coated with intumescent paint, including the stair structure, columns, and elevator frame, or if this requirement applies only to specific structures. Please note that this product must be applied with a thickness of 20 mils, which could significantly increase the cost of the proposal.

S 0.1 Only for the elements of the main structure, as indicated in S0.1 ELECTRICAL

The E1-12 sheet in the distribution panel for panel TK indicates a cable feed of 3#250

MCM AL, while the single-line diagram specifies 3#3/0 THHN CU. Which cable should be installed?

3 # 250 mcm Al ELECTRICAL

The 25 KVA UPS indicated in the single-line diagram—should it be supplied by the contractor?

Yes ELECTRICAL

For the generator shown in the single-line diagram, aside from the voltage and power requirements, what other technical specifications are required? If the answer is affirmative, what would be the physical location of the equipment?

E 1-3 Single phase, 120/240 V, 50 KVA, Diesel. Location indicated in drawing E1-3, fuel tank for 24 hours

ELECTRICAL

The automatic transfer switch shown in the single-line diagram—besides voltage and power, what other technical specifications are required? If the answer is affirmative, what would be the physical location of the equipment?

E1-4 Automatic transfer, programable. Location indicated in drawing E1-4 ELECTRICAL

Should the wiring between T-P1 (existing and to be maintained) be supplied and installed?

Wiring between T001 and TP1 is existing, and will not be modified. ELECTRICAL

The panels referenced are from Schneider Electric. Can EATON panels with the same technical specifications be offered instead?

Yes. As stated in panel desciption, similar o superior panels will be accepted ELECTRICAL

The proposed ground grid (equilateral triangle of 3 meters) is noted to have both

"appropriate connectors" on one side and "exothermic welding" on the other. Which method should be used?

Exothermic welding ELECTRICAL

The height of the lightning rod is specified as 8 meters above the roof. What is the reference point for measuring these 8 meters?

From the highest point of the roof ELECTRICAL

The data outlets shown on sheets E1-7 and E1-8—should they be supplied and installed? If the answer is affirmative, should the point-to-point installation be certified? Additionally, who would be responsible for the termination at the existing rack?

E 1-11 Yes. Yes, they should be certified. The contractor should supply 2 40 points patch panlesin a new rack. Ref. Drawing E1-11

ELECTRICAL

The power outlets circuits from TU-1 to TU-18 indicated on sheet E-14—are they to be installed on furniture, walls, or the floor?

On the technical / raised floor ELECTRICAL

The luminaires shown on sheets E1-1 and E1-2—should all of them be supplied and installed?

Yes. Reference models in simbology ELECTRICAL

If the existing rack needs to be removed or uninstalled, who would be responsible for this?

The existing racks will remain on site, as a request from the End User protection from dust and water is a requirement for the Contractor.

ELECTRICAL

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During a site visit, municipal representatives indicated that the building cannot be left without power. Since intervention on the service connection and main panels requires disconnection, how should this situation be managed?

High voltage wiring, and wiring between transformer (T001) and main panel (TP-1) will not be modified. Disconnection is not required. New wiring will be installed between TP-

1 and transfer switch and panels, this is a branch circuit.

ELECTRICAL

The access control system on the second level—does it only control entry and exit, or should it include the necessary applications and/or software for tracking who enters and exits?

It should track movements ELECTRICAL

Can you please bring us details of indications for:

• Design of the meeting room table

• Type of baseboard to be applied in the project

• Ventilation detail of the duct specified in the elevator shaft

A-12, A-20

The meeting table is not included in the furniture; the existing one will be kept. / La mesa de reuniones no está dentro del mobiliario, se conserva la existente.

The baseboard to be installed is a profile made of flexible PVC, designed to provide a better finish for the walls. Its PVC structure and material are easy to clean, preventing the accumulation of germs and dirt. It is simple to install, making it ideal for renovation projects or those requiring high material performance. The color to be used is dark brown. The format is in pieces of 240 cm length x 10 cm height. The baseboard is flexible. For adhesion, Hi Bond 290ml glue is recommended. See sheet A-X. / El rodapié a instalar es un perfil fabricado en PVC flexible, cuyo uso es destinado a dar un mejor acabado a las paredes. Su estructura y material de PVC fácil de limpiar, evitando la acumulación de gérmenes y suciedad. Sencilla colocación, es ideal para trabajos de remodelación o para proyectos donde sea necesario un alto rendimiento del material.

El color a utilizar es el café oscuro. Formato en piezas de 240 cm largo x 10cm de altura. El rodapié es flexible. Se recomienda para su adherencia el pegamento Hi bond

290ml. Ver lamina A-X

Locally, a ventilation duct is not required, see sheet A-12. This is done in Europe in fully enclosed ducts, with no access to the building's ceiling, and sheet A-20 is being corrected./ Localmente no se requiere ducto de ventilacion, ver lamina A-12. Eso se hace en Europa en ductos completamente cerrados, sin acceso al cielo del edificio, se procede a corregir lamina A-20

ARCHITECTURAL

When demolishing the walls and working on the structural elements along axis A, will it be necessary to intervene in spaces outside the project boundaries? In these areas, should special partitions and separations be installed, or will there be a complete absence of people and Ministry of Security elements to allow the work to proceed?

The spaces to be retrofited are areas in operation. The contractor will have to build temporary partitions and coordinate works with the municipal police. Structural elements must be constructed inside the boundaries of the property.

STRUCTURAL

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On-site, there is a TELECOM RACK that was indicated during the visit should not be moved. However, the lower part needs reinforcement by adding additional metal profiles, and the walls require demolition and reinforcement, which could generate vibrations, dust, and conditions that may affect the equipment. In case the equipment needs to be moved, who would carry out these tasks, and what would happen with any delays this may cause?

This equipment will not be moved. ELECTRICAL

The Dawn raised flooring brand indicated in the drawings, does it need to be used specifically, or can a similar brand with comparable characteristics be used? We ask this because the brand's website shows it is based in China

Similar or superior one can be used ELECTRICAL

In the areas where the type of flooring is not specified according to the architectural table, what type of finish should be applied?

A-13

Where no flooring is indicated (refer to sheet A-13), the existing flooring must be maintained./ Donde no se indica piso, (referirse a la lamina A-13), debe mantenerse el el piso existente

ARCHITECTURAL

When demolishing the walls and working on the structural elements along axis A, will it be necessary to intervene in spaces outside the project boundaries, both for demolition tasks and to secure the upper slab? In these areas, should special partitions and separations be installed, or will there be a complete absence of people and Ministry of

Security elements to allow the work to proceed?

During the construction stage, partitions and temporary walls made of plywood and cold-rolled steel frames must be considered and provided by the Contractor, provided by the contractor as temporary walls to protect the existing offices from the

Construction Site. Temporary restrooms cabins must be provided by the Contractor 5 units for men and 5 units for women.

CONSTRUCTION

34 What is the required capacity for the UPS indicated in the single-line diagram? E 1-12 Indicated in drawing E1-12, Single phase, 120/240 V, 25 KV, 1 hour backup ELECTRICAL

35 Could you provide the location of panel T-P1? TP-1 located in first floor, inside main electrical room ELECTRICAL

The single-line diagram specifies the installation of a generator. For this equipment, we need to know:

o What will be its location on-site?

o What type of conduit should be used, and what is the distance to be covered?

o How many backup hours are necessary?

o Should the equipment have a cabinet, yes or no?

o Is equipment monitoring required, and if so, what type of monitoring protocol is needed?

E 1-12

Location indicated in drawing E1-3. Conduit diameter 75mm (3”) (Drawing E1-12). EMT inside the building, IMC outside tthe building. Aproximate distance 25 meters. The generator engine should be diesel, and have a tank for 24 hours. It should include all neccesary attachments and cabinets for control. Remote monitoring / control for appropiate connection to the transfer switch.

ELECTRICAL

What would be the location of the lightning rod on the roof structure?

o Should any reinforcement be carried out for the installation of this element?

o Where would the corresponding grounding grid be constructed?

E 1-10 Highest point of the roof. Grounding grid indicated in drawing E1-10 ELECTRICAL

The specifications indicate that the elevator to be used is a hydraulic elevator. Are there any limitations preventing the use of an electric traction elevator?

No limitations from electrical design. There may be architechtural limitations ELECTRICAL

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In the SOW, section 2.1 - Contractor’s Role and Responsibilities, item k, mention that

QCP and management plan documents must be provide with the proposal. However, in the RFP, section L - Instructions, conditions, and notices to offerors, these documents are not part of the list of deliverables. Please clarify.

SOW page 2 QCP and management plan must be provided ELECTRICAL

Could you please provide to us major especifications or a least minimun requirements for computer consoles.

SOW page 7 Please refer to information in sheet A-27 ELECTRICAL

In the SOW, section 3.2 - Furniture and equipment, mentions that the contractor shall supply and install all the furniture showed in drawings for all the rooms, however, according drawings, it is not clear if we must to supply the furniture for the following spaces:

Reception/Lobby: Are the couch and table part of the scope of work? If so, please provide the required specifications.

Emergency Room: Is the conference table part of the scope of work? If so, please provide the required specifications.

IT Room/Cleaning Room: It is not clear what furniture/equipment are required at this area. Please, clarify.

Monitoring Room: Are the computer equipments part of the scope of work? If so, please provide the required specifications.

SOW page 8

Furniture will not be considered in reception/lobby, emergency room, it and cleaning rooms. For the monitoring area, all the furniture will be included, but computer equipment is not included in this contract

ELECTRICAL

42 Difference between SOW and form 1442 for the period of performance, please clarify. SOW page 12 The POP is 160 calendar days. The SF-1442, Box 11 is not correct, however, the CLIN lines do show the correct 160 calendar days.

ELECTRICAL

The SOW mentions that the air conditioning system includes "all the wiring, conduits, anchoring, electrical outlets and all the electrical accessories of the air conditioning system" , it is not clear if the scope of the work includes the air conditioning equipment, if so, could you please provide required specificactions.

SOW page 11

Air conditioning units (evaporators, condensers, disconnectors, and cassettes) , must be included in the proposal. All units single phase, 240 V, capacity specified in Panel K directory, drawing E1-12

ELECTRICAL

44 A Hydraulic elevator is requested, could an Electric elevator be installed? A-20 No limitations from electrical design. There may be architechtural limitations ELECTRICAL

Please indicate detail specificacions of the emergency generator and automatic transfer swithc to be installed.

E1-12

Single phase, 120/240 V, 50 KVA, Diesel. Location indicated in drawing E1-3, fuel tank for 24 hours

ELECTRICAL

Since the project will be performed in a police station, and its operation is 24 hours, what would be the available working hours?

This working hour must be a proposal by the Contractor. Normal working hours are available and night hours must be requested.

Since the building will remain in operation during the period of execution of the project, please clarify if the work is to be performed in phases, if so, please specify the phases of the work.

The work plan for construction will be a responsability by the contractor, to isolate the working area from the existing offices is part of the construction plan that has to be conducted. A Temporary wall made of steel or wood will avoid the noise and dust from the Construction Area to the offices.

There is the possibility of using a larger storage space for materials than the one shown in the field visit, since, considering the volume and flow of work, the area proposed as a materials storage area is extremely small.

Additional Storage area can be requesed to the Municipality at the next property, the parkinglot.

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Based on drawings A-118, finish floor for raised access floor is not definded yet, please inform us type of finishes dut to price varies based on that. Please take into account that importation process can take up to three months once urchase orader has been made.

A-118 Specifications of Raised floor are indicated in the specifications document.

For concrete “pumping”, what would be the available point to place the mixer with the pump, and what would be the concrete pumping route.

An entrance for the concrete piping must be proposed by the contractor, and the End

User must provide a spot to install this temporary pipeline.

Second floor: Due to required renovation works to be execute in technical rooms may affect the proper function of electrical and telecommunication system, is there a Police

Force protocol to work with these systenm on working?.

The existing IT Room must be protected by the Contractor with false walls and ceiling, the new electrical must not interfere with the existing electrical installation for the existing IT Room and the Temporary Monitoring Room.

The existing communication cables wont allow to change the existing ceiling in a proper way, is there a possibolity to Police Force relocated racks and cables prior start of works?. If this is not possible, the execution time for this activity will be take long time and additional costs will be charged.

Yes, the End User have confirmed that they will relocate cables and racks before the construction started. Cables between the existing Monitoring Room and the IT Room.

SOW documents request an hydraulic elevator, importation time requires up to 5 months for this equipment which give us short time to install this equipment on project site, is there a possibility to extend completion date for this activity?

This would need to be further addressed should this actually be an issue. Any extension allowed would be for additional time only and not additional funds.

Municipality will be extend a permit or exemption to final debris disposal?. Which is authorized landfill for this project.

Disposal must be proposed and provided by the contractor.

55 Municipality will be install a trash containers for this project? Disposal must be proposed and provided by the contractor.

56 Please indicate the location of the panelboard TP1. TP-1 located in first floor, inside main electrical room ELECTRIC

57 Please indicate the location of the generator and the transfer switch E 1-3. E 1-4 Automatic transfer, programable. Location indicated in drawing E1-4, Generator

Location indicated in drawing E1-3

ELECTRIC

There are differences between the drawings and the single-line diagram of the alarm network. Please clarify E 1-5, E 1-6 In case of discrepancy, drawings E1-5 and E1-6 will have preference ELECTRIC

59 Confirm that the offer price should not include VAT.

Per the B-M:

- Section B.1.3 - Note that the Contractor will not be reimbursed VAT or IVA under this contract by the USG. All other taxes should be included in the firm fixed price and not separately reimbursable.

- Section G.10.1 - Any quotation, invoice or bill to be submitted to the USG/INL Costa

Rica for payment of cost incurred under this construction contract should reflect zero value concerning VAT or IVA (Impuesto al Valor Agregado). Upon contract award, the

Office of INL Costa Rica will issue an exemption letter to the awardee to be presented to the Government of Costa Rica for any claim that may arise during the performance of this contract. The awardee, not the USG will coordinate directly with the

Government of Costa Rica on any VAT or IVA matter under this contract. As indicated above, no such costs are allowable under this contract, and thus will not be paid.

Invoices that include VAT will be rejected.

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Indicate if it is possible to present only a 20% bond that will cover both performance and warranty of payment, instead of two 20% bond, one for performance and one for payment warranty.

No. Per B-M, Section H.4, "Bonds Required. The Contractor shall furnish (1) performance and payment bonds on forms provided by and from sureties acceptable to the Government, in the amount of twenty percent (20%) of the contract price for the performance bond and twenty percent (20%) of the contract price for the payment bond..."

Section C.2.1 of the specifications document indicates that the Contractor will be in charge of obtaining construction permits from the appropriate local authority. Please confirm this point, because usually this is a consultant task.

Permits are not required to be obtained by the Contractor.

We are interested in making a new visit to site previous to presenting the bid. Please let us know if it is possible, and with whom we can coordinate it.

No more site visits will be allowed ELECTRIC

Drawing E1.12 indicates that the T-001 panel must be connected to an existing connection. Please indicate the distance to this connection.

Connection between T001 and TP1 is existing, and will not be modified ELECTRIC

In the area of the first level between axis 1-8 A-D and 3-8 D-I, no ceiling is indicated.

Please confirm.

No ceiling is included for this areas according to the scope of the project ARCHITECTURAL

Please share contact information of the Dawn raised floor supplier in Costa Rica, or if we can propose a similar one.

It must be provided as a certified company ARCHITECTURAL

Confirm if the entire first level floor is considered “type P1”, taking into account the men's bathroom area and the women's bathroom area.

A-13

Where no flooring is indicated (refer to sheet A-13), the existing flooring must be maintained.

ARCHITECTURAL

67 Please define if mirrors should be included, if so, please send details. A mirror is included only in the new disabled restroom. ARCHITECTURAL

Confirm that on the first level the men's bathroom area, women's bathroom area and access to bathrooms should not be considered a ceiling finish.

The ceilings finish in these areas are not being considered in the renovation. ARCHITECTURAL

69 Please indicate if TV screens should be included in the offer. Equipment is not included in the scope of the project. ELECTRIC

Please confirm that the doors indicated in sheets A-13 and A-14 are new or if you should consider reusing existing ones.

A-13, A-14 New doors must be considered. ARCHITECTURAL

71 Please indicate if waterproofing paint should be considered on the roof. Roof is not within the scope of the project. ARCHITECTURAL

Please indicate if instead of applying “jacketing reinforcement” to some of the columns, they can be completely demolished and built from scratch. This can be done because the elevated slab will be temporarily supported.

Structural Specifications and Design must be considered as the one indicated in the drawings and the specifications. It's possible to demolish the column but load bearing scaffolds must be provided to adequately support the existing flooring system.

STRUCTURAL

Please indicate if instead of applying “jacketing reinforcement” to some of the beam, they can be replaced by new steel I-beams. This can be done because the elevated slab will be temporarily supported.

Structural Specifications and Design must be considered as the one indicated in the drawings and the specifications. Even if we have supported the existing flooring system we prefer to keep the detail with metal jacketing on beams.

STRUCTURAL

Please indicate if only in the EA-1 type mezzanine area Steel joist 10x15x0.24cm should be added and in the area that has “Hatch” (the other type of mezzanine system) it should not be considered (please see sheet S3.1)

S 3.1 Yes, only in the area shown at S3.1 drawings marked with the label EA-1 type. STRUCTURAL

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75 Please indicate if the existing foundation should be demolished.

The existing foundations should be demolish partially only if the areas where we need to install vertical reinforcement. We assume that the new foundations to be built are deeper than the existing ones. Adequate load bearing scaffolds must be provided to temporarily support the existing flooring system.

STRUCTURAL

Confirm if the Fire Alarm System is 100% independent or it has to be connected to an existing system.

To be connected to an existing panel in first floor, inside main electrical room ELECTRIC

Confirm if the electrical installation is entirely new or if any system or element must be preserved apart from IT.

Except for IT room, everything else must be new, ELECTRIC

78 Indicate if you considered any supplier for the elevator, or if we can propose one. Can be proposed. Consider only European or American suppliers ELECTRIC

Since the telecom rack exists, please indicate if all structured cabling should be considered new.

E 1-11

The contractor should supply 2 40 points patch panels in a new rack. Ref. Drawing E1-

11. All cables between these patch panels and data outlets are new

ELECTRIC

80 Indicate if we should include the supply of the electric generator and the ATS. Yes ELECTRIC

81 Indicate if we should include the UPS. Yes ELECTRIC

Indicate if we should include the active equipment for the monitoring center (screens, keyboards, etc.).

No ELECTRIC

Indicate the distance that we must consider for the connection to the existing wastewater network.

M 1.2

Please refer to mechanical notes on drawing M1.2 for connections of the existing mechanical systems. All pipeline in the first floor must be reconnected after demolition for the foundations and foundation beams structures.

MECHANICAL

84 Indicate if we should consider a grease trap in the dining room sink. Yes, it is possible to install an under sink grease tramp 20gal Helvex brand or similar. MECHANICAL