Q A 2.pdf

CONSTRUCT PMEL ADDITION, BLDG 425

FA4861-10-B-A024

Solicitation Questions and Answers #2

1) Q: The sketch reflects a 13' dimension east of the New Air Lock room. The actual measurement in the field was measured at 20'. If the north-south 50' dimension on the sketch is maintained, the usable space will be decreased by approximately 288SF. Should the north-south

50' dimension be revised to 57' so that the 2,050SF useable can be maintained?

A: The air lock room shall be 16’x13’ and final design should show 2,050 SF addition. The dimensions are approximate.

2) Q: Please confirm that the exterior walls for the new addition is CMU with z metal channel insulation with sheetrock and the interior walls are to be metal stud framing with sheetrock.

A: See SOW para1.3.7. The exterior walls of the new addition shall match existing building exterior walls. The exterior walls of new addition shall be CMU walls, insulation and stucco finish.

3) Q: If we have a solution that saves money or improves the design, but deviates slightly from the statement of work, can we include it in our proposal?

A: At this time, the contractor shall provide bid to meet RFP without deviation. The winning bid contractor can provide suggestions for consideration. Also, see FAR clause 52.248-3, Value

Engineering—Construction for further clarification on Value Engineering Change Proposals.

4) Q: Please clarify what product is being referenced by "double layer moisture barrier" as described in 1.b.17 of the statement of work. Visqueen?

A: It is up to the designer to select moisture barrier product.

5) Q: Will a drainage study or grading plan be provided by the government to determine the amount of cut/fill required by the new addition?

A: A drainage study is not available. The water shall be drained toward the parking lot and away from the building on all three sides.

6) Q: The existing parking lot grade appears to be 16" lower than the existing building slab.

The elevation will be at bottom of new footings after the existing asphalt is demolished. Please confirm that fill will be required to match the existing building elevation.

A: The elevation of the new addition shall match existing building elevation. Fill may be required to meet the elevation requirement.

7) Q: Please confirm that we are to include roof drains for the new addition?

A: Roof drains will be required for the new addition.

8) Q: The existing building is not sprinklered and does not have an existing fire riser as stated in item 1.3.12 of the statement of work. Please confirm per site visit that we are to tap into the existing waterline adjacent to the West side of the existing building and provide a new fire riser and fire riser room. Please confirm location of fire riser room. Inside the useable space or exterior of the building.

A: The existing building does not have wet pipe sprinklers or a fire riser. The contractor shall provide fire riser and sprinkler system to the building addition only. See Amendment # 1 for additional information.

9) Q: The water supply for the fire sprinkler system is required to have a pressure of 200 psi per item 1.3.12 of the statement of work. Does the existing waterline that we will be connecting to provide this amount of pressure? Do we need to include a new pump in our proposal to meet this requirement?

A: The current water supply is not at 200 PSI. The wet pipe sprinkler pipes need to be hydro tested at 200 PSI to check for water leakage.

10) Q: Please confirm that the electrical service for the new building addition will be brought in overhead from the existing electrical pole located southwest of the property in lieu of upgrading existing transformer per item 1.3.20 of the statement of work. Please confirm location of new electrical transformer.

A: See Amendment #1 for the answer.

11) Q: The existing building appears to have hard lid ceiling throughout. Does the new addition require the ceilings to be hard lid? Or do we provide suspended ceiling tile system per item

1.3.19 of the statement of work.

A: The new addition shall be acoustical 2’x 2’ drop ceiling, T-bar and ceiling tiles.

12) Q: The existing single door that is required to be replaced with a double door will require a lintel for support. Please confirm that we will be allowed to use steel beam lintel.

A: Steel beam lintel will NOT be acceptable. It is up to the designer to design lintel support.

13) Q: It appears that the existing building utilizes an HVAC return air plenum, tying into the existing building will create dust. Please confirm that we will be required to provide a temporary dust barrier full height during the demolition of the single door and installation of the double doors.

A: The addition will have a standalone HVAC system except for the air lock room. The contractor is responsible for keeping the existing building dust free at all times.

14) Q: Please confirm that the entire roof overhang structure 16' wide x 20' long (where the new air lock is located) is required to be demolished and that temporary shoring will be required.

A: The contractor is required to demolish only 16’x 13’ of the overhang structure. Temporary shoring may be required for the overhang. The contractor is required to repair the remaining overhang including providing permanent supports, if required.

15) Q: The sketch calls out to relocate the CMU trash enclosure. Please confirm that we are to include in our proposal the construction of new CMU walls and footings for a new enclosure in a different location and that the existing CMU trash enclosure is to be abandoned.

A: The existing trash enclosure is to be demolished. The contractor is required to construct a new trash enclosure at the south end of the parking lot.

16) Q: Please confirm that we are to use a wireless (i.e. RF) system in lieu of installing a hard line back to building 812 for the EMCS system.

A: The RFP does not require new RF or any connection in building 812. The contractor is required to connect the new AC unit to the existing EMCS panel in the mechanical room.

17) Q: Please confirm that we are allowed to run conduit along the roof and penetrate through the existing roof and ceiling to tie back into the existing telecom room per item 1.3.8 of the statement of work.

A: The communication cable shall run in to plenum space between roof and hard ceiling. The contractor is required to repair the hard ceiling after final connections are made.

18) Q: As-built conditions reflect an A-curb separating rock gravel and asphalt pavement. Are we to include new A-curbs between new gravel and existing pavement?

A: A new curb will not be required between gravel and existing paving.

19) Q: The entire west side of the new addition will need to be re-graded based on existing conditions. Please advise which direction do we need to drain the water.

A: The grade should direct water away from the building and into the parking lot.

20) Q: Verify whether pressurization for the air-lock is to come from the existing HVAC equipment as stated in section 1.3.4 of the specifications or if this can be handled by the new

HVAC equipment?

A: The contractor is required to connect air lock room to the existing HVAC supply duct. The existing AC unit is designed to provide positive air pressure.

21) Q: Section 1.3.17 states that humidity control is important. Please provide a suitable range for the percentage of relative humidity for the space?

A: The new addition does not require a humidifier or humidity control.

22) Q: Please confirm that the contractor will be allowed to stage a dumpster unit on site and dispose of trash offsite on an as needed basis.

A: The contractor can stage a dumpster onsite and remove debris off base without violating any city or state codes.

23) Q: The SOW indicates upgrading the existing utility transformer and adding a subpanel for the addition. The existing service on the north side of the property may have (4) 200A spare switches available for future loads. Can the new addition be supplied by one of these 200A switches, rather than upgrading the existing transformer (or adding another transformer) and new electrical service for the addition?

A: See Amendment #1.

24) Q: Can the owner furnish 12 months of power usage from the above mentioned service in order to determine if adequate capacity is available for the new addition loads?

A: Power usage data is not available.

25) Q: Can the owner provide the size of the existing service transformer?

A: See Amendment #1.

26) Q: Will the data connections be made at the existing backboard in the room just inside the area of the existing electrical service, or will it need to be taken to another location? If another location, where?

A: The connection shall be made to existing backboard in the room. Data will not be transported to any other location.

27) Q: What is the extent of building mounted exterior lighting desired? Entrances only, or entire perimeter of the addition?

A: Lights above all exterior doors shall be required for building security.

28) Q: Will exterior entrance lighting be required to be on emergency power to light the exterior path of egress?

A: The exterior lights do not need emergency power.

29) Q: Is there a generator for this building, or is battery backup required for this and internal emergency lighting?

A: There is no generator in the building. The emergency lights shall be on battery backup.

30) Q: Are there any particular humidity requirements for the addition spaces?

A: Humidity control is not required in this RFP.

31) Q: Is there a minimum positive pressure desired for the vestibule air lock?

A: See answer to question #20.

32) Q: In the scope of work, we are supposed to tie in to a fire riser. Where will the fire riser go and what are the requirements for the fire riser? Please advise.

A: See Amendment # 1.

33) Q: What hardware is required on each new door being installed in this project? To reiterate;

I'm not asking for specifics on the various types of door hardware. That is in the Guidelines. I'm asking what hardware is required on each door.

A: In a Design-Build project it is the responsibility of the contractor to find out what type of hardware is applicable. This is a regular office building; therefore, regular commercial grade hardware is required. Panic hardware and door closures will be required on each exit doors.

According to the user, there is no need for card swipes and there is no need for push button locks on any doors; however, there is a need for a locking door inside the office portion of the addition and all other exterior doors require locks.

34) Q: Does CE require an insulated enclosure to cover the pad mounted backflow preventor which will be necessary on the new fire line?

A: The BFP does not require a cover but an outdoor insulation with aluminum jacket is required to prevent from freezing.