Questions and Answers 19 Oct 20.pdf

Q1. Does existing building 4359 have a basement?

A1. There is no basement for Building 4359.

a. If this existing provide approx. depth of basement floor elevation. N/A

b. If existing can basement floor be broken and left in place prior to backfill? N/A

c. Are there existing utilities that are within this building which are to be capped / terminated? N/A

i. Provide existing building documents showing existing building information / utilities, utility sizes.

ii. Provide acceptable underground piping procedures.

Q2. What is approx. depth of existing building foundation below finished grade?

Existing foundation drawings, provided as Attachment 10 uploaded with Amendment 2, show depth of footings to vary. Other dorms demolished in the past footings were approximately 6 foot from grade to the top of the footings.

Q3. Per statement of work provided, refer to the questions below.

a. Per item 3:

i. Have existing HVAC systems been drained of refrigerant?

A3(ai). The HVAC systems have not been drained of refrigerant. The demolition contractor will be responsible for the recovery and proper disposal of all oil and refrigerant present in the existing HVAC system(s).

Contractor shall provide the government all information on reclaimed refrigerants, government must document all refrigerants on/leaving BAFB.

ii. Provide units quantities and sizes for determination of refrigerant.

Contractor to field verify all info.

Chiller is Trane Series R, tag info below:

Chiller Model #= RTAA0904XL01A3C0BHM

Chiller Serial #= U99L03150

Factory Charge 1= 73lbs

Charge 2 = 61lbs

b. Per items 4:

i. Is existing electrical panel rated for exterior installation?

A3(bi). Electrical panel is rated for exterior installation.

ii. Provide expected panel mounting details

A3(bii). Mount on unistrut as necessary to meet all codes and manufacturer requirements.

iii. Provide details of ductbank, number of conduits required and expected path of ductbank.

A3(biii). Intercept and match existing duct bank. See SOW for details. Digging permit, once requested will show exact routing.

FA4608-20-B-0003

19 October 2020

c. Per item 5:

i. Provide quantity of conduits anticipated to be demolished and capped

There are (6) conduits inside the transformer. As-built drawings are not available. See

SOW for more details.

d. Per item 6:

i. Provide location of existing Monaco FA panel and booster panel

See SOW for details, Contractor shall notify 2CES Alarm Shop prior to removal of any part of the fire alarm and mass notification system. Alarm Shop shall recover/remove existing fire alarm and mass notification panels/devices they intend to recover, prior to building demolition

ii. How many booster panels are there existing to be recovered?

See SOW for details, Contractor shall notify 2CES Alarm Shop prior to removal of any part of the fire alarm and mass notification system. Alarm Shop shall recover/remove existing fire alarm and mass notification panels/devices they intend to recover, prior to building demolition

iii. Provide quantity of pull stations and mass notification speaker strobes to be recovered?

See SOW for details, Contractor shall notify 2CES Alarm Shop prior to removal of any part of the fire alarm and mass notification system. Alarm Shop shall recover/remove existing fire alarm and mass notification panels/devices they intend to recover, prior to building demolition

e. Per item 10:

i. Provide piping sizes, directions and quantities of all utility lines to be terminated and capped.

See existing utility drawings provided as Attachment 10 uploaded with Amendment 2.

No existing asbuilts available

ii. Provide existing buried piping depths.

No existing asbuilts available

iii. Provide location of existing water service back to service valve and plug or cap service valve.

See existing utility drawings provided as Attachment 10 uploaded with Amendment 2.

iv. Provide location of existing gas service to isolation valve closest to main and cap using permaset style cap that can be cut and utilized as a coupling for future development

v. Provide location of capping of existing sewer line. Provide location of existing post indicator valve.

vi. Provide specification of standard poly telescoping water valve box to be used and required pipe size for all connections.

See SOW, existing as-built drawings are not available.

f. Per item 13:

i. Identify existing manholes which are anticipated to require modification.

A3(fi). No existing drawings, refer to site utility drawings provided in Attachment 10.

g. Per item 17 / D:

i. Identify any locations where Restricted High Security work is to occur and provide anticipated restrictions which the contractors will be required to comply with

A3(gi). No Restricted High Security areas at work location.

Q4. What is approved / acceptable soils compaction percentage (%)?

A4. Acceptable soil compaction percentage after demolition is 85%.

Q5. Provide information on existing site light bollard underground wiring routing

No existing drawings, refer to site utility drawings provided in Attachment 10. Digging permit, once requested will show exact routing.

Q6. Existing electrical transformer to remain. Provide the following information:

a. What is grounding grid location, size in relation to the existing building B4359?

Thirty (30) inch outside perimeter of transformer. No existing drawings, refer to site utility drawings provided in Attachment 10.

b. Provide existing routing of existing underground wiring sizes and directions

No existing drawings, refer to site utility drawings provided in Attachment 10. Digging permit, once requested will show exact routing.

Q7. Existing utility pole to be removed. Provide existing wire sizes, directions and voltages of wiring anchored into this utility pole

One existing pole does not have any wire. The other could not be verified. No existing drawings, refer to site utility drawings provided in Attachment 10.

Q8. Can we please have the existing structural and foundation drawings of the building.

A8. Drawings provided as Attachment 10 uploaded with Amendment 2.

Q9. The foundation sheet shows the size of piers and it footings but does not give the depth of the pier anywhere. It just says "Varies" on the details.

A9. Correct, existing foundation drawings show varies and asbuilts are not available. Other dorms demolished in the past footings were approximately 6 foot from grade to the top of the footings.

Q10. What is the existing elevation and building section?

A10. Refer to existing elevation plans provided in Attachment 10.

Q11. What is the floor and building height?

A11. Refer to existing elevation plans and foundation plans provided in Attachment 10.

Q12. Can you provide building foundation drawings?

A12. Drawings provided as Attachment 10 uploaded with Amendment 2.

Q13. Can you provide site utility drawings?

A13. Drawings provided as Attachment 10 uploaded with Amendment 2.

Q14. SOW does not shows jobsite safety/privacy around the demo site.

A14. Please see paragraph number 15 within the SOW for fabric covered construction fence and other safety requirements.

Q15. Section L, Paragraph 4 states that the proposal "shall consist of (1) separate volume and a electronic copy provided on a CD..." but Para 4.2 said "The CD shall contain all three (3) volumes..". Please verify the number of volumes required and what needs to be on the CD.

A15. Number of volumes required is one (1). The CD shall include all the documents from volume one (1).

Q16. Are there any specifications for this project? Or a standard set of specifications for BAFB?

A16. There are no specifications for this project besides the SOW.

Q17. What is the Alarm Shops expected duration of work for recovery of the Monaco Fire Alarm panel, booster panels, pull stations and Mass Notification speaker strobes?

See SOW for details, Contractor shall notify 2CES Alarm Shop prior to removal of any part of the fire alarm and mass notification system. Alarm Shop shall recover/remove existing fire alarm and mass notification panels/devices they intend to recover, prior to building demolition

Q18. Is this only set-aside for Service Disabled Veteran Owned Small Businesses (SDVOSB)? Does a subcontractor have to be SDVOSB?

A18. Yes, this requirement is set-aside for just SDVOSB. Just the prime contractor (the one whom is awarded the contract) has to be a SDVOSB. The subcontractors can be any type of business.

Q19. Are there any other hazardous materials in the building for instance, piping lagging, mercury switches, PCB’s, lighting ballast, lead paint…?

A19. Asbestos report is included as attachment 9. If any suspect hazardous material is discovered, contractor shall stop work, notify the government so that it can be evaluated.

Q20. Are there specific haul routes on and off base that must be adhered to?

A20. For this project, Contractor shall leave job site, head northeast up Curtiss Rd towards the airfield, turn east onto

Wilbur Wright Dr to Lindbergh Rd, to the designated contractor gate.

Q21.Should we expect base shutdowns or delays for any reason?

Q21. There are no foreseeable shutdowns. However when working on a Government installation random delays could occur.

Q22.Can you provide as-built drawings (blueprints) so we can calculate takeoffs?

A22. Provided in Attachments 2 and 10

Q23.Does the base recycle concrete as well as asphalt?

A23. Yes, the Government recycles both concrete and asphalt. Pavement concrete may be recycled. Structural walls and concrete reinforced with steel cannot be recycled. Contractor shall report all recycled volumes, weight tickets and information to the government.

Q24.As I am a Certified Arborist, and under my direction, can the trees be pruned to provide additional clearance and prevent accidental limb breakage?

Contractor shall not trim any trees or limbs without approval from Contracting. Contractor shall notify Contracting or Engineering Project Manager to request approval.