Attachment 0002 - Questions and Answers.pdf

1. Is there a site plan showing the location of all buildings where the work is being performed?

ANSWER: No.

2. Will on-site safety or security training be required? If so, how much time is required for each training topic/session?

ANSWER: Yes. 10 min for all.

3. Are there any photos or drawings of the existing plant floor plan?

4. Who is responsible for providing the electrical service to the offices?

ANSWER: Rock Island Arsenal shall provide only such labor and materials as will be needed to connect facility utilities to each point of first connection. The contractor will be responsible for all connections beyond the point of first connection.

5. Is any plumbing required?

ANSWER: Plumbing may be required for the HVAC systems.

6. Is on site safety or security training required? If so, how much time is required for each training topic/session?

ANSWER: SEE above answer for #2.

Modular Office B220

4.1.1 HEIGHT: The equipment provided shall allow for the existing ceiling to be used and will be the responsibility of the contractor.

1. What is the construction/material of the existing ceiling?

ANSWER: The existing ceiling is concrete. If damaged, the contractor must replace.

2. How is the existing ceiling currently installed?

ANSWER: I am not sure what you mean. Please provide clarification for this question. (see above)

3. Does installation of sprinkler heads also require piping from the heads to the main line?

4. Who is responsible for the fire riser (if required), main line and complete scope of work for the sprinkler system?

ANSWER: Separate contracting action. Not required as part of this contract.

Modular Office B335

No specific questions.

Modular Office B299 (Disassembly)

1. To be clear, will this office be replaced with a new office when relocated or is the intention to re-assemble in the new location?

ANSWER: This office is to be re-assembled in the new location.

2. Is this office a two story located on a second level?

ANSWER: Yes. This is a two story modular office located on the second floor of the building.

3. Is there a nearby freight elevator?

ANSWER: Yes.

4. Do “as-built” drawings exist for this office?

ANSWER: SEE “2-STORYMODOFFICE Drawing.PDF” for the drawing used for the design of this office.

5. What are the dimensions of this office?

ANSWER: The dimensions can be found in the drawing mentioned in question 4. (Approximately 34’ x

34’)

6. How far away is B212 from B299?

ANSWER: It is approximately 1/8 miles.

7. Who is responsible for the HVAC?

ANSWER: The contractor is responsible for the HVAC.

8. What type of HVAC system is in place and can it be reused?

ANSWER: The systems can be reused. The current systems are: American Standard, Model Number:

4WCZ6036A3000BA

Questions from Email (about 2-story):

1. Type of panel construction?

ANSWER: See wall information from the original scope of work for the two-story: “The walls should use VERSA-King 3 interlocking walls or equal. Walls shall be 3” thick by 48” wide. Panel Finish: 26 Gauge Embossed Steel laminated directly to core on both interior and exterior surfaces.

Core: Expanded polystyrene ASTM E84 Class A fire-resistant, 1 pound PSF density. All framing components (i.e. floor track, vertical connector, roof cap, etc) are to be Extruded Aluminum.”

2. How many window panels?

ANSWER: The lower level has (2) 42” x 48” windows and the upper level has (7) 42” x 48” windows.

3. Type of electrical and HVAC systems that need to be disconnected and reinstalled?

ANSWER: The current HVAC systems (Qty. 2) are: American Standard, Model Number:

4WCZ6036A3000BA. See HVAC and Electrical information from the original scope of work for the two-story:

3.5 HVAC / Heat

3.5.1 Install HVAC systems to heat, cool. These two independent systems (separate electrical disconnects) shall consist of a package unit for the HVAC. Each unit will require a separate condensate pump. Each unit will also require a stainless steel water type drip pan (6” bigger than the unit on all sides) with a 3” lip (minimum). The pan will have a 1” plug for easy cleanout. Two separate systems will have the capacity to maintain 70F in the summer and to heat to maintain 74F in the winter. Unit will use 410A refrigerate. Both units will have a 7 day programmable thermostat. The contractor will do heat and cooling load analyses. The two units will be sitting on top of the lower level. Contractor will be required connect to an 18” fresh air duct on both units currently in place above office. (Ducts will be insulated.) All supplied diffusers will be dampered and balanced the same. Contractor will be required to provide printed results of supplied diffuser results.

3.5.2 The system shall be able to cool the space with room air and 15% fresh air once certain conditions are meet. The cooling shall be a DX (Direct expansion) system. The heating shall be on DX heat pump system. The system will need an activated carbon filter on all incoming room air. Fan must be designed to deliver all CFM required while pulling through a carbon filter.

Each floor will have individual controls.

3.5.3 The supply/return ductwork will come off the sides of the package unit. The supply ductwork shall be wrapped with 1 ½” foil back insulation. The return shall be a wild non ducted system. Each system will have a 2” thick replaceable carbon filter. Return lines will have ½” sound absorbing insulation.

3.5.4 All small individual rooms will have diffuser and return grille.

3.5.5 Duct work and supports shall be sealed, insulated and designed per ASHRAE 90.1-2007

3.5.6 System should be balanced before the testing of the HVAC. The HVAC will run for 2 consecutive separate days both on the heat and cooling before project is accepted without any issues on the system maintaining 70F cooling and 74F heating. This will be monitor by the contractor and COR.

3.6 Electrical

3.6.1 Wiring for power, lighting, and branch circuits shall be copper type.

3.6.2 All branch, feeder, and lighting circuits shall be provided with a separate insulated ground wire.

3.6.3 Disconnect switches shall be heavy duty type, with quick make, quick break blades.

3.6.4 All fluorescent lighting fixtures shall be equipped with energy efficient ballasts, Class A sound rated.

3.6.5 All lighting fixtures shall be complete with lamps.

3.6.6 Panel board directories shall be typed.

4. Condition of drop ceiling?

ANSWER: The drop ceiling appears to be in good condition.