24B5092-0001 Attachment 1.pdf

INVITATION FOR BID (IFB) N4008024B5092

PROJECT TITLE/LOCATION: FY24 DEMOLITION CONTRACT - MULTIPLE BUILDINGS, DAHLGREN, VA

PREAWARD INQUIRY FORM

1 6/28/2024

We would like to know if this is a brand new contract OR if there is (was) an incumbent performing these services. If not brand new, could you please provide the current/previous contract number?

This is a new requirement.

2 7/2/2024

Can you please clarify if Solicitation No.

N4008024B5092 is open for all small businesses or if it is for pre-qualified contractors?

This IFB meets the standards of a 100% Small Business Set-Aside.

3 7/2/2024

Is there a cost estimate , budget or ballpark figure for the project listed? Is there an actual start date for the project?

Less than $1m; 10 months after date of award.

4 7/10/2024 Do you need bonding for this project? Bonding N/A to this effort. 1

5 7/11/2024

Will a Civil PE (signed and sealed) designed Sediment and Erosion Control Plan be required? If so, for which facilities?

Yes, for any individual sites that are larger than 10,000 SF Per Section C 2.9.13.3.

6 7/11/2024

Will a Civil PE (signed and sealed) SWPPP (Storm Water Prevention and Prevention Plan) be required? If so, for which facilities?

Yes, for any sites that are larger than 10,000 SF Per Section C 2.9.13.3. As long as the site is less than one acre, a standard SWPPP provided by DEQ may be utilized.

7 7/11/2024

Will any State Permitting be required under this contract?

Yes, for any individual sites that are larger than 10,000 SF Per Section C 2.9.13.3.

8 7/11/2024

Will any Stormwater management practices (BMP’s) be required under the restoration portion of this project?

SWM BMP's are not anticipated however if the Civil engineer determines there is a requirement, the government can provide forest conservation openspace areas to offset as necessary. This can be coordinated with NAVFAC during the design process.

9 7/11/2024

Will any landscaping, shrubbery, and/or tree planting be required as part of the restoration?

Any trees that are damaged as part of the demolition shall be replanted at a 1:1 ratio and coordinated with NAVFAC POC.

Posted on Amend No.

Question No.

QUESTION GOVERNMENT RESPONSE

Date Received

July 2011

PREAWARD INQUIRY FORM

Amend No.No. Date Received

10 7/11/2024

Please confirm if Bat Boxes per the solicitation documents, are required. If so, how many?

They are not anticipated, but if they are incountered during demolition, contact

NAVFAC POC. 1

11 7/11/2024

Please confirm that no additional HAZMAT (ACM, PCB, LBP, Mercury, etc.…) is to be accounted for in the initial proposal outside of what is stated to be present in the survey reports provided. In that if the post award survey discovers any additional HAZMAT to fall under abatement, it will be out of scope.

Please note that black mold is present in B217 which is not covered in the survey report provided. Additionally, the contractor shall anticipate lead paint on the tower (B360) as described in attachment J-1501000-07_Historical Drawings B360. Any other hazardous materials that may be identified by the required testing per Section C 2.10.2.2 which would necessitate a contract modification. 1

12 7/11/2024

The only hazardous materials documented in the Work Description are located at Building 116A and Building

217. Please confirm that this proposal is only to account for abatement to occur in these buildings in the quantity as identified in the reports.

The contractor shall anticipate lead paint on the tower (B360) as described in attachment J-1501000-07_Historical Drawings B360. Any other hazardous materials that may be identified by the required testing per Section C 2.10.2.2 which would necessitate a contract modification. 1

PREAWARD INQUIRY FORM

Amend No.No. Date Received

13 7/11/2024

Please Confirm the Explosive Contamination, Blasting Agents, and UXO/MEC sections do not apply to any of the facilities in this contract. If they do, please identify which buildings, and what is expected. (IE DDESB approvals, ESS, ESS-DR, Etc..)

Bldg. 102 shall be downloaded of all explosives while facilities 312 and 360 are being demoed. All ammunition and explosives shall remain at rest inside of Magazine Area 2 while facility 1312 is being demoed. A UXO surface sweep shall be conducted by EOD or a Certified UXO Technician prior to the demolition of facility 360 (Main Range Tower) to ensure the area of work is clear of UXO/MEC. To avoid concurrent explosive operations, all work shall be coordinated and scheduled with Range Control at least 5 days in advance. There shall not be any ammunition/explosive testing conducted on Main Range while facilities 312 and 360 are being demoed. Onsite Construction Workers shall contact Range Control daily prior to the start of work to ensure explosive operations are not being conducted in the areas of facilities 312, 360, and 1312. The likelihood of encountering UXO/MEC in the area of facilities 1312, 217, 2014, and 116A is very low. In the unlikely event a suspect explosive item is found, contact Range Control. 1

14 7/11/2024 Are the Demolition plans required to be PE sealed? Yes

PREAWARD INQUIRY FORM

Amend No.No. Date Received

15 7/11/2024

Please confirm if the foundations are to be removed in their entirety or is there a minimum depth they should be removed to? There is a small inconsistency on this matter in the documents.

Foundations are to be removed in their entirety by the contractor except in locations on the Range where the removal will be done by Range Control. The only other exception will be in the immediate area of the sewer main located under B217 if determined to increase the risk of damage to the line.

16 7/11/2024

Please confirm if utility lines are to be removed to the source or within the footprint of the demolition only?

Please see Section C 0100000 1.11.1.

17 7/11/2024

Please confirm that all light bulbs are to be removed and properly disposes of for each building.

Yes, Please see Section C 0100000 1.11.2.

18 7/11/2024

Are there any known PCB or Mercury containing devices that should be quantified into the initial proposal.

Unknown, please include a bid option for removal of Removal and disposal of PCB containing lighting ballasts and associated mercury-containing lamps 1

19 7/11/2024

Please confirm the Salvage and Recycling determinations are to be by the contractor and will not be dictated by the government.

Correct.

20 7/11/2024 Please confirm if a Payment and Performance Bond is required.

Bonding N/A to this effort.

21 7/11/2024 Please confirm is a Bid Bond is required. Bonding N/A to this effort. 1

22 7/11/2024

Currently SSHO and QC on-site management is not identified in the solicitation documents, please confirm if the standard requirement apply to this contract.

Please see Sections C 0200000 2.7.1,

2.7.1.2 & 2.7.1.3.

23 7/11/2024

Please confirm what utilities are to remain for Building 217 as stated on page 17 of the Work Description.

Please remove all related utilities per Section C 0100000 1.11.1. The sewer main under B217 shall remain and be protected during demolition. Please also refer to J- 1501000-09_B217-NotionalDemoPlan.

PREAWARD INQUIRY FORM

Amend No.No. Date Received

24 7/11/2024

Please confirm if the mobile chiller located behind Building 217 will be relocated during working activities.

To be coordinated with NSWC HVAC to relocate by the government to the opposite side of B220. Also please coodinate with the NAVFAC DDC shop so they can pull out the controlers for the fancoil units. 1

25 7/11/2024

During inspection of Building 217 it was documented that there are existing concrete pipe trenches located around the back side of the building. Please confirm that these concrete pipe trenches are to remain undisturbed to continue the services to the adjacent building to remain

The referenced portion of trench in comment #26 below shall be demolished and capped at the intersection. The associated lines shall be removed to the maximum extent possible with out interfering with unassociated B217 utilities. 1

26 7/11/2024

During inspection of Building 217, it was documented that a transition occurred in the existing concrete pipe trenches, directing the trench toward Building 217 for approximately 20’. Please confirm the intent is to cut and cap the existing HW and CW lines running toward the building and demolish this portion of the trench.

The referenced portion of trench shall be demolished and capped at the intersection. The associated lines shall be removed to the maximum extent possible with out interfering with unassociated B217 utilities.

27 7/11/2024

Please confirm if the existing fence behind Building 217 is existing to remain.

Please remove and also refer to J-1501000- 09_B217-NotionalDemoPlan.

28 7/11/2024

Please confirm which party will be responsible for the removal of the existing electric meter located at Building 217.

NAVFAC Shops to remove all electric meters and disconnect service.

29 7/11/2024

Please provide the location and details of disconnecting the Fire Alarm, Data/Comm, Stormwater, Security ESS, and

To be coodinated with the government during demolition plan creation.

30 7/11/2024

Please Confirm the Building 220 Mechanical Building is to remain and does not fall into the scope of demolition of B217.

Correct; Please refer to J-1501000- 09_B217-NotionalDemoPlan.

PREAWARD INQUIRY FORM

Amend No.No. Date Received

31 7/11/2024

During inspection of Building 116A, it was documented that directly outside of the building footprint there are existing precast concrete pipe trenches traveling between Building 116, Building 116A, and Building

459. Please confirm if the trenches are to remain undisturbed.

Correct, the trenches are to remain undisturbed.

32 7/11/2024

Please confirm the existing electrical gear in Building 116A is abandoned and no live distribution electrical is present.

Correct.

33 7/11/2024

Please confirm that Building 116A does not feed any other facilities using the structure as a raceway.

The contractor will be responsible for location of existing utilities on each site and should coordinate with NAVFAC Shops to determine outage and protection requirements during the creation of the demolition plan. 1

34 7/11/2024

During the inspection of Building 116A, it was documented that an existing oil tank vent is located on the backside of the building. Please confirm if the intention is to cut, cap, and leave the remaining pipe in place underground or please provide the scope for this work.

There is not a fuel tank at that building.

The previously abandoned in place vent shall be removed in it's entirety.

35 7/11/2024

Page 15 of the Work Description states that the removal of 100 square yards of bituminous pavement at Building 116A should be assumed. Please confirm if this is regarding the pavement located on the west side of the existing precast concrete trench.

This is refering to the deteriorated asphalt located on the west corner of the building and is closer to 60 SY.

36 7/11/2024

Please confirm that Building 312 does not feed any other facilities downstream or used as a feed raceway.

The contractor will be responsible for location of existing utilities on each site and should coordinate with NAVFAC Shops to determine outage and protection requirements during the creation of the demolition plan. 1

37 7/11/2024

Please confirm if Building 360 must be dismantled systematically or if the structure can be dropped in a controlled fall.

The structure can be dropped in a controlled fall.

PREAWARD INQUIRY FORM

Amend No.No. Date Received

38 7/11/2024 Please confirm that we are only demolishing one tower for Building 360 (Tower #6 per As Built)

Correct.

39 7/11/2024 Based on As Built, the Tower is assumed to contain Lead Based Paint (LBP) please confirm.

Correct.

40 7/11/2024

Please confirm the foundation for the tower is to be removed.

Correct, but all digging must be done by E40 personnel due to the location being on the Main Range. 1

41 7/11/2024

Please provide the assumed depth of the tower foundation or provide the minimum depth of removal.

The tower foundation is unknown; all digging must be done by E40 personnel due to the location being on the Main Range. 1

42 7/11/2024

“3.1.3 Underground Utilities Location of the existing utilities indicate disapproximate. The Contractor shall physically verify the location and elevation of the existing utilities indicated prior to starting construction. The Contractor shall contact the Public Works Department for assistance in locating existing utilities. The Contractor shall scan the construction site with ground penetrating radar and mark the surface of the ground where existing underground utilities are discovered.” Please confirm the contractor is responsible for scanning the grounds to locate the existing utilities that are identified in the contract documents and not the entire limits of disturbance.

The contractor is responsible for scanning the grounds to locate the existing utilities within the entire limits of disturbance.

43 7/11/2024

3.1.3 Please confirm that no live utilities feeding

adjacent active buildings are located within the limits of demolition and would be required to be protected.

The contractor will be responsible for location of existing utilities on each site and should coordinate with NAVFAC Shops to determine outage and protection requirements during the creation of the demolition plan. 1

44 7/11/2024

3.1.3 Is the contractor required to completely remove

the existing domestic water lines shown for removal or can they be cut and capped and abandoned in place?

Please remove per Section C 0100000 1.11.1.

PREAWARD INQUIRY FORM

Amend No.No. Date Received

45 7/11/2024

3.1.3 Please confirm that the Sanitary Sewer line that

runs through Building 217 that is identified to remain not in conflict with the required demolition.

The sewer main under B217 shall remain and be protected during demolition.

Protection methods, demolition methods and extents shall be provided in the demolition plan. 1

46 7/11/2024

“Scarify existing subgrade. Provide 4 inches of topsoil for newly graded finish earth surfaces and areas disturbed by the Contractor. Top soil shall not be placed when the subgrade is frozen, excessively wet, extremely dry, or in a condition otherwise detrimental to seeding, planting, or proper grading. If there is insufficient on-site topsoil meeting specified requirements for topsoil, provide topsoil required in excess of that available .Seed shall match existing vegetation. Provide seed at 5 pounds per 1000 square feet. Provide mulch and water to establish an acceptable stand of grass.” Will the government provide an unrestricted source of water for demolition operations and watering of the seeding requirements?

Water is not guaranteed at each site and the contractor will be responsible for establishing the grass cover either through consistent watering and or reseeding as necessary.

47 7/11/2024

See RFI question 46. Are there soil borings and test pits available to classify the existing soils for reuse?

No.

48 7/11/2024

See RFI question 46. Confirm that the foundations, concrete shelters and railroad & gantry tracks and the associated concrete slabs are to remain between the 2 towers that are required to be removed.

Correct (to clarify, only one tower is being removed, Tower #6 on historical drawings).

49 7/19/2024 Is it possible to provide me the sign-in sheet for the site visit held for the opportunity?

See attachment with this AMD 0001.