Attachment 3 - ProjNet Inquiries and Answers.pdf

Bid Inquiry Technical Evaluators Report Closed Inquiries

Project: ANC- McPherson Area Road Repair Review: ANC McPherson Rd Bidder Displaying 88 inquiries.

Id Discipline Sheet Detail Spec

8469004 Contracting 00 10 00 - Solicitation Comment Classification: Unclassified\\For Official Use Only (U\\FOUO)

Section 00 10 00 - Solicitation, Notice To Bidders, Pre-Award Survey Information, paragraph e, page 5 of 34. The contract is a small business set-a-side and includes multiple definable features of work including site demolition, paving, utilities, storm drainage, etc. Some small businesses have specific expertise and demonstrated relevancy in some definable features of work, but may have limited experience with others. Question: May the offeror submit experience/contract example(s) for a key subcontractor to satisfy the past performance qualifying contract(s)?

1-1 Government Response. In order to be determined responsible in accordance with the Definitive Responsibility Criteria (DRCs) as stated in the solicitation, the example projects must have been performed by the prime contractor submitting the bid. The work may have been performed by the bidder (i.e., the company that will be the prime contractor if awarded the contract) in a previous contract in which it served as the prime contractor or where the bidder performed a substantial portion of the feature of work as a subcontractor. But example projects submitted to demonstrate experience performed by potential key subcontractors for this requirement will not be considered. On: Apr 01 2020

Current Request Status: Request Closed Information for this report is procurement sensitive.

8469734 Construction Management

Section 013526 par 1.5.1.2 and Section 014500 par 3.4.2

Comment Classification: Unclassified\\For Official Use Only (U\\FOUO) Please confirm whether the CQC can be the safety person as per spec section 013526 par 1.5.1.2, or can have no other duties as per spec section 014500 par 3.4.2.

1-1 Government Response. The CQC can also serve as the site safety person. However, the CQC cannot serve as the superintendent. On: Apr 03 2020

Current Request Status: Request Closed Information for this report is procurement sensitive.

8475537 Other 20-B-0019 None Instructions to Bid

Comment Classification: Unclassified\\For Official Use Only (U\\FOUO) Please confirm if DBE/WBE participation is required on this project. If so, which certifications will the USACE accept?

1-1 Government Response. No. DSB (Disadvantaged Small Businesses) and WOSB (Women-owned Small Businesses) registration and certification in beta.sam.gov is not specifically required on this project.

This project is/was solicited as a 100% small business set aside. On: Apr

8477609 Specifications 0 0 Page 3 of 3 (Amendment 2)

Please see attached sheet for reference or refer to sheet 3 of 3 of the Document 20-B-0019 -updated Amendment 2.

The time for completion is confusing as it states 365 days after mobilization, 485 calendar days for completion of work in entirety, and 485 days from issuance of NTP.

Please confirm how many days from NTP to substantial completion.

1-1 Government Response. Substantial completion would be 425 days from NTP. On: Apr 03 2020

8477937 Contracting 01 30 00.10

Comment Classification: Unclassified\\For Official Use Only (U\\FOUO) Per the Project Work Requirements and Restrictions there are 108 days for adverse weather, holidays and ceremonies. Are these calendar days and is this for the 365 days to build the project or the 485 total days from notice to proceed?

1-1 Government Response. Per the RTA Specification section 1.3.1, the 108 calendar days for adverse weather, holidays, and ceremonies durations are included in the Construction period, which is 365 calendar days from the mobilization period end date. On: Apr 03 2020

8477970 Contracting 31 00 00.00 51 Earthwork

Comment Classification: Unclassified\\For Official Use Only (U\\FOUO) In the Earthwork section 3.3 it mentions that undercutting of unsuitable soils will be backfilled with 21-A. lease confirm this is the material to be used and no geogrid is needed.

1-1 Government Response. If the Contractor performs the additional undercutting (up to 12-inches) and compaction can be achieved on the subgrade soils, then only VDOT 21A is required to be used as backfill. If the maximum amount of additional undercutting of 12-inches has been performed and compaction requirements still cannot be achieved on the subgrade soils, then geogrid will need to be placed over the subgrade soils as described in Earthwork Section 3.13.1 Existing Subgrade Soil Conditions and Recommendations, paragraph 4. On: Apr 03 2020

8477996 Contracting 31 00 00.00 51 Earthwork

Comment Classification: Unclassified\\For Official Use Only (U\\FOUO) In Earthwork Section 3.4.7 paragraph 2 it states the existing soils may be unsuitable for backfill and all trenches should be backfilled with controlled structural fill. Will the use of the excavated materials be used as backfill material?

1-1 Government Response. If the existing soils within the roadway meet the criteria for controlled structural fill as per Earthwork Section 3.4.7 Trench Excavation Requirements, paragraph 2, the Contractor may reuse the excavated material.

For the storm drain realignment area within Lawton Drive and Memorial Drive Sections 23 and 46 of the Cemetery, Earthwork Section 3.3 Controlled Structural Fill states: "Areas where soils are excavated for the storm drain realignment portion of the project shall be backfilled with the excavated soils." If additional structural fill is needed for the storm drain realignment area, structural fill and sodding requirements are also provided in this section On: Apr 03 2020

Current Request Status: Request Closed Information for this report is procurement sensitive.

8478075 Contracting G-004 03 30 00.00 10 Cast-In- Place Concrete

On sheet G-004 note 27 states that existing concrete pads that abut the curb shall be removed and replaced. The plans do not show these pads or have clear detail for them. Please provide a number of pads with dimensions and the approved pad detail.

1-1 Government Response. Concrete pads are to be removed and replaced. Plan amendments for clarification are attached. On: Apr 07

8478089 Contracting 03 30 00.00 10 Cast-In- Place Concrete

Will USACE accept VDOT A4 concrete for the curb and gutter and sidewalk since it is the most common local design to fit the strength? If so will USACE follow the VDOT specifications for that mix design?

1-1 Government Response. The strength of concrete provided in the plans and specifications is a minimum strength. VDOT Class A4 concrete will be acceptable for cast in place. VDOT mix designs are typically approved upon submittal review. On: Apr 03 2020

8478098 Contracting 31 00 00.00 51 Earthwork

Comment Classification: Unclassified\\For Official Use Only (U\\FOUO) Paragraph 3.4 Please confirm that all excavated materials must be hauled offsite and an approved and permitted dump site?

1-1 Government Response. Unless otherwise directed by the contracting officer; all excavated materials must be disposed of off-site. Disposal must be in accordance with federal, state, and local regulations. On: Apr

8478164 Contracting 01 11 00.00 50 Summary of Work

During the site visit Mr. McLain mentioned USACE wanted a Green Construction fence bordering the entire roadway to keep pedestrians and visitors from accessing the construction site. Please confirm this is to be included into the contractors pricing?

1-1 Government Response. That is correct. See Note 2 on G-004. As noted in 01 30 00.10 (1.6), the safety plan (accident prevention plan) is a submittal and restriction of personnel to the site will be required through fencing. On: Apr 03 2020

8479988 Utilities Engineering Sections 330200 and 33052313

Please confirm that specification sections 330200 and 33052313 do not apply to this project as none of the drawings indicate this type of work occurring.

1-1 Government Response. It is not anticipated that Specification 33 02 00 and 33 05 23.13 will be used for this project. On: Apr 03 2020

8481260 Contracting 01 30 00.10

Work Requirement number 2 states that background checks and badging are required. Will this apply to all workers and delivery drivers?

1-1 Government Response. Per the RTA Submittal Specification, and the general protection and security policies of ANC, all contractors and all associated subcontractors and employees with an area of performance within an Army controlled installation, facility, or area, shall provide information for background checks in order to meet installation/facility access requirements.

However, Road construction projects continue, and will continue, to be allowed to utilize escorts for non-badged / non-tagged vehicles provided escorts are present for the entire duration of a vehicle's presence on / within ANC. This allowance ONLY applies to Road Construction projects.

On: Apr 03 2020

8481264 Contracting 01 30 00.10

Will the use of contractor escorting deliveries be need for this project?

1-1 Government Response. Road construction projects continue, and will continue, to be allowed to utilize escorts for non-badged / non-tagged vehicles provided escorts are present for the entire duration of a vehicle's presence on / within ANC. This allowance ONLY applies to Road Construction projects. On: Apr 03 2020

8481269 Contracting 01 30 00.10

Are large trailer deliveries permitted during the peak hours of the cemetery?

1-1 Government Response. Spec 01 30 00.10, Paragraph 1.10.2.1:

Large deliveries that could be deemed disrupted to cemetery operations must be coordinated through the C.O.R at least two working days prior to arrival on the jobsite. If there is doubt as to whether a delivery will be deemed disruptive upon arrival then coordinate with the C.O.R. prior to delivery. On: Apr 03 2020

Current Request Status: Request Closed Information for this report is procurement sensitive.

8481302 Contracting 01 11 00.00 50 Summary of Work

Will Bid Item 9 Undercutting and Item 10 Asbestos Removal add time to the contract if encountered?

1-1 Government Response. No. Per Amendment 0002, once the contractor mobilizes to the site, Contractor has 365 days to perform all construction activities on the site including demobilization. On: Apr 06 2020

8481320 Contracting CS-401 $

CG-401 33 40 00

Comment Classification: Unclassified\\For Official Use Only (U\\FOUO) On the top of McKinley Drive on Sheet CS-401 it shows and additional structure DI#3-030 and a storm line run that doesn't match CG-401. Please confirm which sheet is correct?

On: Mar 30 2020.

1-1 Government Response. Plan sheet CG-401 was correct. Plan sheet CS-401 was revised to remove structure DI#3-030 and associated drainage pipes. On: Apr 07 2020

8481340 Contracting 33 40 00

Comment Classification: Unclassified\\For Official Use Only (U\\FOUO) Section 33 40 00 Storm Drainage Utilities covers specifications for a few types of storm pipe.

Can HDPE pipe be utilized for this project? If not please explain which test in this section will be used to test the RCP pipe?

1-1 Government Response. Concrete Pipe is the only allowable storm pipe type. Per Section 33 40 00 Paragraph 2.6.1, Leakage Tests will be required. On: Apr 03 2020

8484612 Paving C-505 32.11.16 pg 5, 2.3

Comment Classification: Unclassified\\For Official Use Only (U\\FOUO) The plans indicate the Asphalt Surface is SM-9.5A (sheet C-505 ) however the Asphalt spec section 32.11.16 page 5, 2.3; indicates SM-12.5A. Please clarify.

1-1 Government Response. The required surface course will be SM-9.5A.

Specification 32 11 26 will be revised during project award. On: Apr 03

8484627 Paving 32.12.16 pg 12 3.6.1

Comment Classification: Unclassified\\For Official Use Only (U\\FOUO) Spec section 32.12.16 page 12 3.6.1 indicates a Transfer Machine is required any asphalt placement. Please confirm this is correct and will be required. OR is just for surface placement.

1-1 Government Response. Transfer machine is not correct. Asphalt is delivered in trucks and dumped directly in the hopper of the asphalt spreader. On: Apr 03 2020

8484629 Paving 32.11.23

Comment Classification: Unclassified\\For Official Use Only (U\\FOUO) The plans indicate VDOT stone material, 21A for paving. The spec 32.11.23 indicates both ABC & GCA Base Materials as well as VDOT 21A/B. These do not necessarily match in both material specification or pricing. Please clarify.

1-1 Government Response. References to ABC and GCA will be removed from specification 32 11 23 upon contract award. References to 21B in

Specifications 31 00 00 and 32 11 23 will be removed upon contract award as well. On: Apr 03 2020

Current Request Status: Request Closed Information for this report is procurement sensitive.

8484808 Specifications 33 1 02

Comment Classification: Unclassified\\For Official Use Only (U\\FOUO) Reference Specification 33 1 02 Part 3 Execution Sub Paragraph 3.1 next to the last paragraph.

The requirement for a 4/0 copper ground wire installed in the bottom of ductbank does not apply to this project. The drawings indicate the WIFI conduit is direct buried. Please confirm.

1-1 Government Response. We concur. The paragraph located in 3.2 referring to the 4/0 copper ground wire will be removed from Specification 33 71 02 upon project award. On: Apr 03 2020

8484809 Specifications 33 1 02

Comment Classification: Unclassified\\For Official Use Only (U\\FOUO) Specification Section 33 71 02 and Drawing G004 specify S40 and S80 PVC for the WIFI conduit. S80 PVC is to be installed under roadways. The Keyed Note Number 2 shown on the new work plans specifies HDPE conduit for the entire system. Which is correct? If a combination of pvc and hdpe conduit is used please provide a detail as to how they are connected.

1-1 Government Response. Only PVC is to be used for the wifi conduit.

The references to HDPE pipe have been removed from the CS series sheets. On: Apr 07 2020

8484961 General 011100.0050 1.5

Comment Classification: Unclassified\\For Official Use Only (U\\FOUO) In Specifications Section 011100.0050 1.5 Work Rescheduling, states to "allow 3 calendar days where construction activity is determined prohibitive...requiring work rescheduling the time periods will range from 10min to 4hr delay." The language is unclear. Are we to assume the total delay time may be multiple instances ranging from 10 min to the entire day and 3 days is the summation of all those instances throughout the contract?

1-1 Government Response. The total of 3 calendar days is already included for multiple instances ranging from 10 minutes to a 4 hr delay throughout the construction activity, within the 365 calendar days of construction. In other words expect up to but not more than 3 calendar days of delay due to ANC restrictions. . On: Apr 03 2020

8484989 General 013000.10

Comment Classification: Unclassified\\For Official Use Only (U\\FOUO) In section 013000.10 1.3.1 Period of Performance, it states "Adverse weather, holidays and ceremonies durations are included in the construction period and are 108 days." Does this include the 3 days of delay mentioned in section 011100.0050 1.5?

1-1 Government Response. Yes,the three (3) days of delay are included in the POP. On: Apr 03 2020

8485686 Specifications 01 50 00.00 50 2.2.2 Temporary Wiring

Please clarify where temporary wiring is required for this contract including all the necessary details to price the work i.e. locations, lengths, conduit sizes, conductor sizes, etc.

1-1 Government Response. Paragraph 2.2.2. is in regards to contractor wiring used for their own on-site equipment; not for temporary wiring as part of project related construction. On: Apr 03 2020

8485691 Specifications 02 82 14.00 Asbestos Hazard Control Activities

Please clarify the diameter and class of asbestos pipe material to be removed and disposed of.

1-1 Government Response. The irrigation line size varies from 4" to 12" as noted on the demolition plan sheets. Specifications 02 81 00 and 02 82 14 00.10 provide guidance for the irrigation line removal. See Specification Appendix C, ANC Burial Section Maps, for location and size of potential asbestos lines. On: Apr 03 2020

8485693 Specifications 50 00.00 50 3.1 Employee Parking

Where is the employee dedicated parking area located?

1-1 Government Response. There is limited space for parking. See 3.3.1, Contractor Parking: there is very limited overall space for contractor employee and delivery truck parking. Space available is shared space in the main Visitor Center parking area used by staff, visitors, and family/friend attending scheduled funerals. There are a multitude of mass transit services available. Use of these are highly encouraged. More information on these services is available upon request by the Contracting Officer. On: Apr 03 2020

8485694 Specifications 31 00 00.00 51 3.4.1 Structure Protection and Monitoring

Please clarify which specific structures on the project will require structure protection and monitoring.

1-1 Government Response. Prior to construction the Contractor, COR, and the ANC team members will perform a prewalk on the project site to determine which structures will require structure protection and monitoring. In specification 31 00 00.00 51, paragraph 1.4 Submittals, a Preconstruction Structural Survey Report is required for submittal 30 days prior to starting work. It must receive approval before start of work.

Please refer to the information provided in section 3.4.1 Structure Protection and Monitoring for typical structures that are considered, and the extents to which the monitoring will occur. On: Apr 03 2020

Current Request Status: Request Closed Information for this report is procurement sensitive.

8485696 Specifications 01 50 00.00 50 3.9 Restoration of Storage Area

We assumed that the storage area shown during the site visit was semi-permanent and transferred to each subsequent contractor as is. Please confirm the staging area will be available as shown and no restoration is required by this contract.

1-1 Government Response. Hobson Drive, the location of the staging area, will be completed as part of the project. See Sheets CD-404, CS- 404 and CG-404. On: Apr 03 2020

8485699 Specifications 31 00 00.00 51 3.12.1.2 Replacement of Unstable Material (For Pipe Trenches)

Undercut and refill of roadway subgrade areas is a unit price item on the contract. Will the undercut and refill of pipe trench subgrade be paid by this item also?

1-1 Government Response. No. Typical trench pipe backfill detail on Sheet C-503 should be sufficient On: Apr 03 2020

8485700 Specifications 31 05 19 3.3.1 Overlap Seams (For Geotextile)

Please confirm the Contractor will be allowed to overlap seams of geotextile material in lieu of sewn seams.

1-1 Government Response. Yes, the Contractor is allowed to overlap seams of geotextile material in lieu of sewn seams. On: Apr 03 2020

8485701 Specifications 32 05 33.00 51.3.1.2 Maintenance Visits

Please confirm the worked outlined in this section is limited to the area of work bounded by the silt fence and tree protection fence only.

1-1 Government Response. The area of responsibility is defined in Paragraph 3.1 EXTENT OF WORK: Provide landscape maintenance to include mowing, edging, overseeding, aeration, fertilizing, watering, weeding, pruning, and stake and guy adjusting, for all newly installed and renovated landscape areas and existing plant material, unless indicated otherwise, and at all areas inside or outside the limits of the construction that are disturbed by the Contractor's operations.

Contracting Officer to approve areas to be maintained per drawings unless smaller area is specifically approved in writin On: Apr 03 2020

8485704 Specifications 32 05 33.00 51 3.2.7 Final Inspection and Acceptance (of Turf Areas)

Will ANC/USACE accept turf areas as they are completed and assume all the maintenance required?

1-1 Government Response. Per paragraph 1.6.h, the contractor shall be responsible for landscape maintenance until the Notice of Termination from the Virginia Department of Environmental Quality (VA DEQ) Construction General Permit (CGP) is issued. Landscape acceptance by the government will not occur before Notice of Termination is received from VA DEQ. On: Apr 03 2020

Current Request Status: Request Closed Information for this report is procurement sensitive.

8485706 Specifications 32 05 33.00 51 3.2.7 Final Inspection and Acceptance (of Turf Areas)

Will ANC/USACE allow all the perimeter erosion controls and tree protection fence to be removed upon acceptance of turf areas and prior to final surface asphalt paving?

1-1 Government Response. The erosion and sediment control can be removed upon turf stabilization per 01 57 20.00 50 paragraph 3.2.3.

Tree preservation shall be removed at the direction of the Urban Forester per Spec 32 05 33.00 51 Paragraph 3.3.3. On: Apr 03 2020

8485707 Specifications 33 40 00 3.4.1.3 Flexible Watertight Joints

Please confirm the Contractor has the option to use flexible joints and that mortar joints (3.4.1.2) will not be required.

1-1 Government Response. Paragraph 3.4.1.2 allows for the use different joint products, per manufacturer's recommendation. On: Apr 03

8485708 Special Projects 33 02 00 Pipe Bursting of Gravity Storm Sewers

Please clarify where all the Pipe Bursting work is required.

1-1 Government Response. Pipe bursting is no longer applicable.

Specification 33 02 00 will be removed from the specification book at the time of award. On: Apr 03 2020

8485709 Specifications Appendix A - ANC Preservation Specification

Please confirm all the tree preservation work including root pruning will be performed by others and is not included in the scope of this contract.

1-1 Government Response. Appendix A, the ANC tree preservation specification, provides guidance on the responsibilities for the project contractor. The project contractor is not responsible for the items identified for completion by the Urban Forester or the Cemetery Tree Care Contractor including root pruning. On: Apr 03 2020

8485713 Site All Plans

Comment Classification: Unclassified\\For Official Use Only (U\\FOUO) Numerous small diameter water lines are shown in the work zones located directly behind the back of curb which we assume are sprinkler systems. Will the sprinkler systems located in the work zones be temporarily capped, removed, relocated or restored by others?

1-1 Government Response. It is not anticipated that numerous active water lines will be encountered with the project. See demolition plans abandoned lines that are shown for demolition. On: Apr 03 2020

8485717 General CG-101

Comment Classification: Unclassified\\For Official Use Only (U\\FOUO) Plan sheet CG-101 shows storm sewer installation in the work zone corridors varying in width from 5'-12' (silt fence to silt fence). These lines vary in depth from 5' to 15' deep which will require track equipment and shoring systems greater than the width provided. The typical pipe trench section shown on plan sheet C-503 is 5.22' for 18" pipe. Will the contractor be allowed to widen the working zone widths shown?

1-1 Government Response. The direction is to work within the project limits due to the constraints of potential impact to existing landscaping and grave areas. Any deviation will have to be coordinated with the contracting officer in the field. On: Apr 03 2020

8485720 Civil All Plans

Comment Classification: Unclassified\\For Official Use Only (U\\FOUO) The grading plans show proposed contour lines. No other survey layout information has been provided such as top of curb, centerline grades, super elevations, etc. Will this information be provided to the contractor?

1-1 Government Response. No. Design is through the proposed grading.

Contractor will have the CAD and surface model files. On: Apr 03 2020

8485723 Civil All Plans

Will CADD files, cross sections and digital surfaces be provided to the contractor?

1-1 Government Response. CADD files and digital surfaces will be provided to the contractor. On: Apr 03 2020

8485728 Construction Phasing G-002

Comment Classification: Unclassified\\For Official Use Only (U\\FOUO) The phasing of work is shown on plan sheet G-002. The bidders were told at the pre bid meeting that the work would be built in 2 phases (North and South). Will the contractor be allowed to work continuously in the entire South Phase without any intermediate phase requirements or disruptions such as the individual completion of 1A, 1B, 1C, 3, 4A and 4B?

1-1 Government Response. That is correct. Work can occur within the area of each phase in it's entirety. On: Apr 03 2020

8485734 Operations G-002

Does the Contractor have to maintain traffic thru the work zones once the work is started?

1-1 Government Response. No. See G-004, Note 2. On: Apr 03 2020

Information for this report is procurement sensitive.

8485737 Civil All Plans

Comment Classification: Unclassified\\For Official Use Only (U\\FOUO) Will the relocation of existing utilities that interfere with the work be a change to the contract i.e. existing water mains that interfere with proposed storms sewers.

1-1 Government Response. Generally, plans indicate where a utility relocation is required. If an unknown utility not is discovered and it was not recorded on any drawing or specs, tehn located, then reasonable changes may be required in the contract. On: Apr 03 2020

8485738 Environmental All Plans

Comment Classification: Unclassified\\For Official Use Only (U\\FOUO) The erosion and sediment control plans only show a silt fence at the limit of disturbance. Will a safety fence be required parallel and behind all of the silt fences to protect all of the work zones as well?

1-1 Government Response. That is correct. See Note 2 on G-004. As noted in 01 30 00.10 (1.6), the safety plan (accident prevention plan) is a submittal and restriction of personnel to the site will be required through fencing. On: Apr 03 2020

8485759 Contracting General

Comment Classification: Unclassified\\For Official Use Only (U\\FOUO) Due to COVID-19 and the need to transition over to teleworking, many Subcontractors, Suppliers, and Vendors are challenged with communicating with the change in operating procedures. With these changes, is the bid date anticipated to be extended. Additional time is requested to prepare a more responsible proposal.

1-1 Government Response. The bid due date remains unchanged. On:

Apr 03 2020

8486009 General 014500.0010

Comment Classification: Unclassified\\For Official Use Only (U\\FOUO) Spec Section 0141500.0010 3.4.2 states the "CQC System Manager is assigned no other duties". Spec section 013526.0050 1.5.1.2 states "The Contractor Quality Control person can be the SSHO on this project." Please confirm which is correct.

1-1 Government Response. Yes, the QC can have the dual role of QC and SSHO. On: Apr 03 2020

8487975 General 310000.00 51 2.1

Comment Classification: Unclassified\\For Official Use Only (U\\FOUO) Specification section 310000.0051 2.1 requires the contractor to "Test all offsite soils in use as backfill for TPH, Benzene..." Please confirm if this is required for aggregate materials.

1-1 Government Response. Per VDOT Road and Bridge Specifications, the requirement for aggregate materials are explanined, not per the Earthwork Specification, 310000.0051. Refer to Specification 321123 Paragraph 2.1. On: Apr 03 2020

8488001 Geotechnical 310000.0051

Comment Classification: Unclassified\\For Official Use Only (U\\FOUO) Spec Section 310000.0051 3.1 requires the "Contractor's Geotechnical Engineer shall perform an additional subsurface exploration." The description of the work required is a full report including additional borings and laboratory testing. However, there are no information provided as the required number of additional borings and number of soil tests required. Please provide a definitive requirement.

1-1 Government Response. Please refer to Paragraph 3.1, specifically paragraph 3.1.B in specification EARTHWORK 310000.0051. The storm drain realignment area these paragraphs are referring to is within Burial Sections 23 and 46, between Lawton Drive and Memorial Drive, of Phase 1A. The clarification to Paragraph 3.1 will be made upon project award.

8488004 Geotechnical 310000.0051

Comment Classification: Unclassified\\For Official Use Only (U\\FOUO) Spec Section 310000.0051 3.1 requires the "Contractor's Geotechnical Engineer shall perform an additional subsurface exploration." Can this work be performed in the 60 day period following NTP (and before the Construction period begins)?

1-1 Government Response. Yes. Cemetery access will need to be coordinated with the contracting officer and an ANC excavation permit will be required before executing the work. It should be noted that all submittals need to be coordinated and approved within the first 60 days after NTP. On: Apr 03 2020

8488011 General 310000.0051

Specification section 310000.0051 2.1 requires the contractor to "Test all offsite soils in use as backfill for TPH, Benzene..." Please confirm if this is required for the purchased topsoil materials.

1-1 Government Response. Topsoil will be included with the testing requirements noted in Paragraph 2.1, Requirements for Offsite Backfill Soils. On: Apr 03 2020

8488043 General 310000.0051

Comment Classification: Unclassified\\For Official Use Only (U\\FOUO) Spec section 310000.0051 3.3 Controlled Structural Fill: states "Areas were[sic] soils are excavated for storm drain realignment portion of the project shall be backfilled with excavated soils." Please confirm the Contractor is allowed to reuse the trench excavated materials as backfill of the trench regardless if the material is not classified as one of the Satisfactory Materials identified in section 1.2.1.

1-1 Government Response. This statement in Spec section 310000.0051

3.3 Controlled Structural Fill is referring to the storm drain realignment area within Burial Sections 23 and 46, between Lawton Drive and Memorial Drive, of Phase 1A only. If additional backfill is required for this area, 3.3 Controlled Structural Fill also provides requirements.

Clarification to Paragraph 3.3 Controlled Structural Fill will be made upon project award. For requirements for the trench excavated materials for the roadways, please refer to Spec section 310000.0051 3.4.7 Trench Excavation Requirements, paragraph 2. On: Apr 03 2020

8488275 General 310000.0051

Comment Classification: Unclassified\\For Official Use Only (U\\FOUO) Spec Section 310000.0051 3.4.1 Structure Protection and Monitoring: states "Structure and excavation monitoring...such as buildings, stairways, columbariums, statues, memorials and walls. All structures within 100ft of proposed construction shall be monitored." Please confirm headstone, regardless of their size, do not need to be monitored.

1-2 Government Response. The Contractor will be responsible for providing protection and monitoring for the tombstones to prevent damage during construction.

Prior to construction the Contractor, COR, and the ANC team members will perform a prewalk on the project site to determine which structures will require structure protection and monitoring. In specification 31 00

00.00 51, paragraph 1.4 Submittals, a Preconstruction Structural Survey Report is required for submittal 30 days prior to starting work. It must receive approval before start of work. Please refer to the information provided in section 3.4.1 Structure Protection and Monitoring for typical structures that are considered and the extents to which the monitoring will occur On: Apr 03 2020

8488598 Contracting Appendix 7 Spec Book

Clarify that Phase 5 & 6 are not part of this project?

1-1 Government Response. The notation referred to is actually Phase 5 and Phase 6 of a plan set in Appendix 7 of the Geotechnical Report.

These plans were "for information only". On: Apr 03 2020

8488681 Geotechnical 310000.0051

Comment Classification: Unclassified\\For Official Use Only (U\\FOUO) Spec Section 310000.0051 1.2.1 Satisfactory Materials: Would RC-6 (Recycled Concrete Material) be acceptable for use on this project as Satisfactory Material?

1-1 Government Response. No, this is not acceptable as per Spec Section 310000.0051 1.2.1 Satisfactory Materials. On: Apr 03 2020

8488697 General C-505 310000.0051

Comment Classification: Unclassified\\For Official Use Only (U\\FOUO) In reference to Specification section 310000.0051 3.8 SPECIAL EARTHWORK REQUIREMENTS FOR SUBSURFACE DRAINS: states "Provide a bedding surface of no more than 1" of sand". Drawing C-507, detail 4" Mountable Curb and gutter with wi-fi conduit and subdrain: this detail does not show any sand. Please clarify if sand is required.

1-1 Government Response. aragraph 3.8 does not apply to the wi-fi conduit. There are no sand bedding requirements for the wi-fi conduit.

C-505 is the reference sheet. On: Apr 03 2020

8488715 General C-505 310000.0051

Comment Classification: Unclassified\\For Official Use Only (U\\FOUO) In reference to Specification section 310000.0051 3.8.1.1 PERFORATED OR SLOTTED WALL PIPES: states "Place granular material and extend it for one pipe diameter, minimum 6inches on each side of and 18 in above top of pipe"". Drawing C- 507, detail 4" Mountable Curb and gutter with wi-fi conduit and subdrain: this detail shows dimensions much less than the Specifications. Please clarify which requirement is correct.

1-1 Government Response. The incorrect drawing sheet, C-507, is referenced in the question. The correct drawing sheet is C-505 with the detail 4" Mountable Curb and gutter with wi-fi conduit and subdrain. This detail shows the correct requirements for the design. On: Apr 03 2020

8488737 Geotechnical 310000.0051

Comment Classification: Unclassified\\For Official Use Only (U\\FOUO) In reference to Specification section 310000.0051 3.12 BACKFILLING AND COMPACTING:

Compact backfill for trenches within roadways from top of pipe to two feet below planned grade to 90% of ASTM D1557. Compact top two feet to 95%" In section 3.4.7 TRENCH

EXCAVATION REQUIREMENTS: states "Backfill in utility trenches shall be compacted to at least 98% of ASTM D 1557." Please confirm which standard will apply.

1-1 Government Response. Please refer to Specification section

310000.0051 3.12 BACKFILLING AND COMPACTING as the standard. On:

Apr 03 2020

8488759 General 310000.0051

Comment Classification: Unclassified\\For Official Use Only (U\\FOUO) Spec Section 310000.0051 3.13.1 EXISTING SUBGRADE SOIL CONDITIONS AND RECOMMENDATIONS: states "The approximate amount of geogrid that may be required for additional undercut areas is 12,500 SY". Spec Section 310521 3.1.3 requires overlap of 2 feet between rolls. Does the 12,500 SY quantity indicate the actual quantity of Geogrid required including the overlapped areas?

1-1 Government Response. No, the 12,500 square yards quantity of geogrid does not include the overlap of 2 feet between rolls. The 12,500 square yards represents an approximate surface area of the roadway that will need to be covered by the geogrid. On: Apr 03 2020

8488764 General 310000.0051

Comment Classification: Unclassified\\For Official Use Only (U\\FOUO) Spec Section 310000.0051 3.13.1 Existing Subgrade Soil Conditions and Recommendations:

states "Special treatment such as lime stabilization...may be required when the subgrade soils encountered are very moist, wet and have softened." Please confirm there is no requirement by the contractor to include lime stabilization in their bid.

1-1 Government Response. The Contractor is not required to include lime stabilization. On: Apr 03 2020

8488774 Other 0 0 0

Please confirm if there is a goal for Disadvantaged Business Enterprise and/or Women Owned Business Enterprise participation. If so, what are the accredited organizations that the USACE will accept? Can they be accredited by a state entity or department; for example,if a DBE is certified through SWAM in Virginia via the Small Business and Supplier Diversity, or Maryland Department of Transportation, or do they have to be registered by the Federal SBA (Small Business Administration)?

1-1 Government Response. This project was/is solicited as a 100% small business set-aside. No other socio-economic status has been designated.

8488778 General 310000.0051

Comment Classification: Unclassified\\For Official Use Only (U\\FOUO) Spec Section 310000.0051 3.13.1 Existing Subgrade Soil Conditions and Recommendations:

states "An additional undercut of up to 12in may be required....The volume of possible additional undercut is estimated to be 5000 CY. If subgrade still does not meet compaction....the contractor shall place a geogrid over the top of undercut soils, backfill and compact area with VDOT 21A" Question 1. If we dont pass proofroll after this, is the additional undercut and refill with geogrid and 21A measured and paid again? 2: We assume the initial backfill of undercut material is 21A, is this correct?

1-1 Government Response. The additional undercut is performed then the geogrid is placed on the subgrade soils and backfilled with VDOT 21A. No additional proof-rolling is performed after the first proof-rolling. On: Apr 03 2020

8489706 Electrical C-506

What is the diameter of the underground WI-FI conduit?

1-1 Government Response. 4" diameter. See detail on C-505 titled: 4" Mountable Curb and Gutter with wi-fi Conduit & Subdrain. On: Apr 03

8489707 Electrical C-506

Please confirm only one conduit is required for the WI-FI conduit system.

1-1 Government Response. One conduit is required for the wi-fi conduit system. On: Apr 03 2020

8489709 Electrical C-506

Comment Classification: Unclassified\\For Official Use Only (U\\FOUO) Will coarse aggregate backfill be required for the WI-FI conduit trench excavation in paved areas (as required for storm sewers on plan sheet C-503) or can native material be used?

1-1 Government Response. No. Native material only. On: Apr 03 2020

Information for this report is procurement sensitive.

8489712 Specifications 01 30 00.10 1.6

Comment Classification: Unclassified\\For Official Use Only (U\\FOUO) Will all Contractor employees be required to be U.S. citizens?

On: Apr 03 2020. Forward request by email.

1-1 Government Response. The background check determines who is permitted on ANC and Army installations. See Paragraph 1.8 of

013000.10. On: Apr 03 2020

8491217 Other 15 SECTION 02 82 14.00 10

Has it been confirmed that asbestos water line remediation is necessary? If not, will the remediation of abandoned asbestos water/irrigation lines be compensated through a change order or will we need to factor this in to our Base Price?

1-1 Government Response. The asbestos pipe to be estimated in OPTION CLIN 0010 ~586LF, unit price removal of asbestos containing pipe encountered during excavation for all phases. The irrigation line size varies from 4" to 12" as noted on the demolition plan sheets.

Specifications 02 81 00 and 02 82 14 00.10 provide guidance for the irrigation line removal. See Specification Appendix C, ANC Burial Section Maps, for location and size of potential asbestos lines. On: Apr 03 2020

8491280 General C-505 310000.0051

Comment Classification: Unclassified\\For Official Use Only (U\\FOUO) In reference to Specification section 310000.0051 3.8 SPECIAL EARTHWORK REQUIREMENTS FOR SUBSURFACE DRAINS: states "Provide a bedding surface of no more than 1" of sand". Drawing C-505, detail 4" Mountable Curb and gutter with wi-fi conduit and subdrain: this detail does not show any sand for the subdrain.

Please clarify if sand is required.

1-1 Government Response. The sand requirement will be removed from specification 310000.0051 upon project award. On: Apr 03 2020

8491337 General 310000.0051

Comment Classification: Unclassified\\For Official Use Only (U\\FOUO) In reference to previously answered Question ID 8488275:

Spec Section 310000.0051 3.4.1 Structure Protection and Monitoring: Do we need to include monitoring points on each of these headstones? Within 100 ft of excavation that would be 1000's of headstones to install monitoring points on. Please confirm.

1-1 Government Response. The Contractor will be responsible for providing protection for the tombstones to prevent damage during construction. If the tombstones are the typical standard headstones and they are located close to the road, the headstones are removed and replaced with markers by ANC personnel. Once construction is complete, the headstones will be set back in place by ANC personnel. If the tombstones are not the typical standard headstones and resemble, for example more of a monument, they may be monitored during construction. On: Apr 03 2020

Current Request Status: Request Closed Information for this report is procurement sensitive.

8491506 Civil CS-01

Drawing CS-01. Keyed Note 2 is not shown on the site plan. Does it apply?

1-1 Government Response. Keyed Note 2 has been updated to reflect PVC pipe. References to HDPE pipe have been removed. On: Apr 07

8492235 Security N/A N/A N/A

Comment Classification: Unclassified\\For Official Use Only (U\\FOUO) Will subcontractors be able to escort deliveries, or will everyone need to be badged?

On: Apr 05 2020. Forward request by email.

1-1 Government Response. Subcontractors can escort delivery vehicles provided the subcontractor escort has been fully vetted and badged and is designated as an escort. On: Apr 06 2020

8492236 General N/A N/A N/A

Comment Classification: Unclassified\\For Official Use Only (U\\FOUO)

2. Will there be any special requirements for holidays?

1-1 Government Response. See Spec Section 01 30 00.10, Paragraph 1.10.9, Page 13 which clearly details the holidays and any requirements.

On: Apr 06 2020

8492237 General N/A N/A N/A

Comment Classification: Unclassified\\For Official Use Only (U\\FOUO)

3. Are there any special events scheduled near our work areas? If so, what needs to happen construction wise for these events?

1-1 Government Response. As of the letting of these plans no special events are scheduled. However, ANC reserves the right to schedule special events but will provide adequate notice to any affected KTRs. On:

Apr 06 2020

8492238 General N/A N/A N/A

Comment Classification: Unclassified\\For Official Use Only (U\\FOUO) Should we include time for work stoppage and cleanup during holidays

1-1 Government Response. KTRs are required to maintain their sites in accordance with the daily housekeeping requirements detailed in the plans and specifications. On: Apr 06 2020

8492239 General N/A N/A N/A

Comment Classification: Unclassified\\For Official Use Only (U\\FOUO) Will matting be needed for Section 46?

1-1 Government Response. Contractors are required to provide construction protection of existing facilitates and work areas in accordance with the plans and specifications. On: Apr 06 2020

8492240 General N/A N/A N/A

Comment Classification: Unclassified\\For Official Use Only (U\\FOUO) We do not see anything concerning the hydrant pads. Currently they are flush with the existing curb, but once we install the new mountable curb they will need to be raised and replaced.

On: Apr 05 2020.

1-1 Government Response. Concrete pads for the hydrants are to be removed and replaced. Plan amendments for clarification are attached.

On: Apr 07 2020

8492241 General N/A N/A N/A

Comment Classification: Unclassified\\For Official Use Only (U\\FOUO) We do not see anything concerning the hydrant pads. Currently they are flush with the existing curb, but once we install the new mountable curb they will need to be raised and replaced.

1-1 Government Response. Concrete pads for the hydrants are to be removed and replaced. Plan amendments for clarification are attached.

On: Apr 07 2020

8492242 General N/A N/A N/A

Comment Classification: Unclassified\\For Official Use Only (U\\FOUO)

7. I believe John mentioned that they already answered the question about SM 9.5 vs SM 12.5 surface asphalt. I think we should still submit Mike's question about the warm mix vice the hot mix.

1-1 Government Response. Refer to Spec Section 32 12 16 Hot Mix Asphalt HMA for roads. On: Apr 06 2020

8492243 General N/A N/A N/A

There are two solicitation numbers included in the solicitation, W9123620B0019 and W9123619R0003. Our bonding company was asking. Just confirming that the correct number is W9123620B0019.

1-1 Government Response. The correct solicitation number is W9123620B0019. On: Apr 07 2020

8492244 General N/A N/A N/A

Comment Classification: Unclassified\\For Official Use Only (U\\FOUO) Will subcontractor be required to mow the grass in construction areas for appearance for the cemetery....specifically between Construction Fence and Silt Fencing.

1-1 Government Response. Contractore are required to maintain the facilities where they are performing construction. Any areas that ANC maintenance cannot access due to the construction activities of the Contractor must be maintained by the Contractor. Thus, mowing will be required in those areas. On: Apr 06 2020

8492245 General N/A N/A N/A

Comment Classification: Unclassified\\For Official Use Only (U\\FOUO)

9. Will subcontractor be required to mow the grass in construction areas for appearance for the cemetery....specifically between Construction Fence and Silt Fencing.

1-1 Government Response. Contractor will be required to maintain area within the construction sites. See Spec Section 01 50 00.00 50, Paragraph 3.4.7 b, Page 8. On: Apr 06 2020

8492246 General N/A N/A N/A

With the project being split into 2 main sections, and then sub-phasing in those phases. Will we be able to perform more than one sub-phase at a time in a section or must one sub-phase be completed before another phase can start?

1-1 Government Response. The project is split into two phases. The contractor can only complete one of those phases at a time. The sub-phases are for plan organizational purposes only. Construction can occur within multiple sub-phases within each of the two main phases at any time. On: Apr 06 2020

8492247 General N/A N/A N/A

Comment Classification: Unclassified\\For Official Use Only (U\\FOUO) With a New DEQ Permit being required for the new work, it may take longer than 60 days to obtain the new permit from the state. Especially with what is going on in the world right now.

Will consideration be given with the 60-days pre-construction time allowed.

1-1 Government Response. No. It is not anticipated this will take over 60 days. The SWM/ESC plans have been approved by DEQ. Upon receipt of registration statement, DEQ will issue a permit fee invoice. The contractor will need to verify receipt of invoice payment and processing with DEQ. Ensure Registration Statement and Invoice have the appropriate ESC/SWM permit number prior to submission to DEQ. On:

Apr 06 2020

8492248 General N/A N/A N/A

Comment Classification: Unclassified\\For Official Use Only (U\\FOUO) Spec section 2.3, Aggregate Gradation calls for 12.5A but the drawings call for 9.5A surface.

Based on aesthetics, we would recommend the use of the finer 9.5A mix

1-1 Government Response. The asphalt mix for the project will be SM- 9.5A and not SM-12.5A. Specification 32 11 26 (Bituminous Base and Surface Course) will be updated at project award. On: Apr 06 2020

8492249 General N/A N/A N/A

Comment Classification: Unclassified\\For Official Use Only (U\\FOUO) Laydown area – Is there a power source for a trailer connection

1-1 Government Response. There is no available power at the subject laydown yard. Contractors will be required to provide his own power via a generator, etc. On: Apr 06 2020

8492250 General N/A N/A N/A

Comment Classification: Unclassified\\For Official Use Only (U\\FOUO) How will each Phase be accepted by the customer? Will there be one acceptance date for the warranty or will each phase or sub-phase have it's own date.

1-1 Government Response. This project is only 2 phases (with some sub phases). Phase 1 in it's entirety will be accepted and then Phase 2 in it's entirety will be accepted. On: Apr 06 2020

8492251 General N/A N/A N/A

Comment Classification: Unclassified\\For Official Use Only (U\\FOUO) Will additional laydown area become available for when we go to work on Hobson Dr

1-1 Government Response. At this time no additional laydown is available. On: Apr 06 2020