Q and A NB DWS 20240515 COR.pdf

RNGF20691193, Replace DW Piping Basewide 20240515 RFI responses to ques�ons.

Questions and COR Responses

New Boston Space Force Station Drinking Water System Repair

COR RESPONSE: ALL. Request for Proposal Statement of Work (SOW) is the document contractors shall use to identify specific CLINs.

Q1. What is the Expectation for outages and outage durations? Weekends or off hours help or change the allowable duration?

COR RESPONSE: SOW RNGF20691193 DWS Repair 20240315 1.5 “…procedures to install and maintain temporary water between mission areas during construction.” Designed to minimize or abolish mission area downtimes. After hours, weekends, federal holidays limited government presence thereby placing responsibility on contractor to have resources on hand to reestablish utilities.

Q2. Construction Notes on Drawing CS1001 - 1, 2, 5, 6, 10, 14 and 15 don't appear to have a corresponding CLIN # for pricing. Could you please clarify what CLIN(s) to assign the pricing for this work.

COR RESPONSE:

SOW RNGF20691193 DWS Repair 20240315

3.PROJECT SPECIFIC CLINS

SOW 3.1.1 CLIN 0001 Replace two 6” gate valves at B107. [SEE TITLE 1A REPORT, SECTION 2.1.3]

CS1001 Location Plan.

CONSTRUCTION NOTE 01

Install new 6” gate Valve. See Title 1A Report, Section 2.1.1/2.1.6

100% Title 1A Report R1 20191115 wo $$

2.1.1. Two new 6” gate valves – building B-141, B-111.

Not being performed this project.

CONSTRUCTION NOTE 02

SOW 3.1.3 CLIN 0001 Relocate and replace seven fire hydrants between three and seven feet from the curb or pavement edge. Locations are at the following buildings:

B109, 118, 131, 133, 157, and 164. (NOTE: B164 fire hydrant is moving closer B164 per

NFPA.)

Install one new fire hydrant. [SEE TITLE 1A REPORT, SECTION 2.1.2]

100% Title 1A Report R1 20191115 wo $$

2.1.2. One new hydrant B141.

COR RESPONSE: Not being performed this project.

CONSTRUCTION NOTE 05

Remove one valve, size unknown, and cap line at abandoned connection. [SEE TITLE

1A REPORT, SECTION 2.1.5]

East B101, west B100. (B101 not shown on drawing.)

CONSTRUCTION NOTE 6

Remove unnecessary 10” valve to abandoned water service northeast of B108 and cap.

[SEE TITLE 1A REPORT, SECTION 2.1.7]

CONSTRUCTION NOTE 10

Clean, inspect, and maintain tanks according to state rules require a temporary groundwater discharge permit obtained by the contractor performing the work. NH CAR ENV-DW 504.09, Storage Tank inspection and maintenance. See NH DES website. See Title 1A Report, Section 2.2.

100% Title 1A Report R1 20191115 wo $$

2.2. Clean, inspect, and maintain tanks at B-107 and B-135: contractor to provide unit price.

CONSTRUCTION NOTE 14

Install approximately 20 feet of 4-inch water pipe with two tees and one gate valve to create a bypass around B107.This will allow water distribution during routine and emergency repair. Reference work request 14-005. See Title 1A Report Section 2.6. See details sheet.

100% Title 1A Report R1 20191115 wo $$

2.6 B107 – Bypass

CONSTRUCTION NOTE 15

Install new 6” gate valve to service for B104 or find existing and verify operability. See Title 1A Report, Section 2.1.6.

100% Title 1A Report R1 20191115 wo $$

2.1.6. Install new 6” gate valve to service for B-104 or find existing shown and verify operability.

SOW 3.1.4 CLIN 0001

CLIN 0002

CLIN 002 shows replace existing line and replace with 4” ductile iron. We have verified the existing line is 2 1/2” from B134 to B111. Therefore, we will be replacing line with 2 ½” ductile iron instead of 4” ductile iron. This wasn’t one of the questions but, it is a change from what CLIN 002 shows in SOW.

Q3. Construction Notes on Drawing CS1001 reference Title Report 1A, which doesn't appear to have been provided. Please provide Title Report 1A.

COR RESPONSE: Title 1A Report is normally not provided until after design/build award. Verbiage necessary for bidding purposes has been provided in the SOW.

Q4. Is there a preferred sequence of work you would prefer to avoid major outages?

COR RESPONSE: Contractors Means & Methods after award shall be based on awarded CLINs, and approved Work Plans. Maintaining service to mission areas and supporting systems is priority.

Q5. Can one person perform as the SSHO, Superintendent, and QC manager or does it need to be 3 separate individuals?

COR RESPONSE: Contractor shall abide by requirements of contract documents, including EM385-1-1, ACOE Safety Manual. These documents state contractor can assign two, out of three positions to one person.

Q6. Can the period of performance be extended after award once the material/equipment lead times are confirmed due to current market conditions for the equipment for this project?

COR RESPONSE: Contractor shall maintain continuous contact with Contracting Officer and COR team, and when contractor sees in their schedule a problem, they should immediately inform the Contracting Officer and COR team via Request for Information.

Q7. On SOW various location it refers to check “TITLE 1A REPORT” and per item 4.1 there is bases of design or design plan and specification available from pennonit associates. Can you please provide that to review and understand the project?

COR RESPONSE: (See Q3)

Q8. Please provide Title 1A report as per 4.2.

COR RESPONSE: (See Q3)

Q9. Please provide any site pictures, existing layout drawings etc.

COR RESPONSE: (See Q3)

Q10. SOW Section 3.2, 3.3, 3.4, 3.53.6, 3.7, 3.8: Please provide the “New Boston Space Force Station Water System Mapbook.”

COR RESPONSE: The Water System Mapbook is normally not provided until after design/build award.

Verbiage necessary for bidding purposes has been provided in the SOW.

Q11, SOW Section 4.1: Please provide the design specifications for this project.

COR RESPONSE: The specifications are normally not provided until after design/build award.

Verbiage necessary for bidding purposes has been provided in the SOW.

Q12. SOW Section 4.2: Please provide the “Title 1A Report - Design for Repair Drinking Water Distribution System.”

COR RESPONSE: (See Q3)

Q13. Drawings p. CS1001 CONSTRUCTION NOTES #1: Install new 6” gate valve.

a. Please confirm that we are to add the noted 6” Gate Valve to CLIN 0005.

COR RESPONSE: CLIN 0001.

Q14. Drawings p. CS1001 CONSTRUCTION NOTES #2: Add one new hydrant.

a. The call out shows the location at Building 141. Will it be located/feed from the 8” water line near the southeast corner of B141.

b. I don’t see this covered in a CLIN. To which CLIN should this be added?

COR RESPONSE: CLINs remain as they are in Request for Proposal SOW.

Q15. Drawings p. CS1001 CONSTRUCTION NOTES #3: Replace two 6” gate valves. (CLIN 0001 3.1.1 in the SoW) The callouts on the plan seem to be pointing to a 4” line (the line being replaced in

CLIN 0003).

a. Are these valves actually on the 6” line (being replaced by CLIN 0005)

b. Or is the line increased to 6” at the West most valve on the 4” line.

COR RESPONSE: CLINs remain as they are in Request for Proposal SOW.

Q16. Drawings p. CS1001 CONSTRUCTION NOTES #4 & #5

a. Please confirm whether we are to add these to CLIN 0006, 0007 or 0008 (all have work around B100)

COR RESPONSE: CLINs remain as they are in Request for Proposal SOW.

Q17. Drawings p. CS1001 CONSTRUCTION NOTES #6: Remove unnecessary 10” valve.

a. Are we to add this to CLIN 0009?

COR RESPONSE: CLINs remain as they are in Request for Proposal SOW.

Q18. Drawings p. CS1001 CONSTRUCTION NOTES #13: Calls to relocate seven hydrants - 1 @ B157, 2 @ B133, 1 @ B109, 1 @ B118, 1 @ B16, 1 @ B103 CLIN 0001 3.1.3 in the SOW states: “3.1.3 Relocate and replace seven fire hydrants … 157, 133, 131, 109, 164, and 118.

a. Please clarify which building locations are the fire hydrants are to be relocated.

COR RESPONSE: CLINs remain as they are in Request for Proposal SOW.

Q19. Drawings p. CS1001 CONSTRUCTION NOTES #14: Add 4” line @ B107.

a. Please confirm whether this should be included in pricing for CLIN 0003.

COR RESPONSE: CLINs remain as they are in Request for Proposal SOW.

Q20. Drawings p. CS1001 CONSTRUCTION NOTES #15: Install 6” gate valve for B104.

a. Please confirm to which CLIN we should add this pricing?

COR RESPONSE: CLINs remain as they are in Request for Proposal SOW.

Q21. Building Entrances/Limit of waterline:

a. Is the intent to remove/replace the waterline under the slab floors of Buildings 134, 111, 107 and 135? If so:

i. Is there any detail available on the how the waterline “enters” Buildings 134, 111, 107 and 135?

ii. Is there knee wall/footing/foundation and slab thickness details available per building?

iii. Is there information available on where the line enters (the drawing detail is not clear on all buildings)?

b. Or is the intent to stub the waterline at edge of the building foundations. If so:

iv. Can you provide detail on the preferred connection hardware to connect to the stubbed lines (solid sleeve, hymax, aplha/romac)?

COR RESPONSE: Q21a Don’t remove/replace waterline under the slab floors at B107, B135, B111. (stop several feet before facility to prevent undermining of facility and make connection). Remove/replace line under B134 to include gate valve, check valve, etc. (there is a basement under B134, and all piping is exposed).

i. B134 and B111 both enter from north side of facilities. B135 enters on east side of facility close to north end. B107 enters north side of facility close to east side.

ii. All details have been submitted. Shouldn’t be a need as making connection before facilities except for B134.

iii. Answered above in question i.

Q21b Answered in Q21a.

Q22. Is there any “in building” work at B100, for CLINS 0006, 0007 or 0008?

COR RESPONSE: B134 has an open area below slab floor for replacement of piping completely.

CLINs remain as they are in Request for Proposal SOW. Contractor’s Means & Methods shall dictate whether there is interior work.

Q23. Into which CLIN should the Design cost be applied?

COR RESPONSE: Each CLIN has its own specific design costs within.

Q24. SOW Section 6: What are the as-built deliverables? Are we to provide both AutoCAD as well as ArcGIS files?

a. Will the Government provide any existing, applicable AutoCAD files for the as-builts?

b. Will the Government provide any existing Raster Data files for the GIS requirements?

COR RESPONSE: Yes, both AutoCAD and ArcGIS, most recent format.

Q25. What is required for full time, onsite supervision from the GC for this project (Superintendent /

SSHO / QCM)?

a. Can one qualifies person serve as all three, or we required to have more than one, person wearing these “hats?”

COR RESPONSE: Yes, Superintendent, SSHO, and QCM. This project requires a lot of excavation exceeding five feet, requiring a lot of inspection and follow up by safety person on site and Safety manager for Activity Hazard Analysis (AHA).