24R2510 Amendment 0002.pdf

AMENDMENT OF SOLICITATION/MODIFICATION OF CONTRACT

Except as provided herein, all terms and conditions of the document referenced in Item 9A or 10A, as heretofore changed, remains unchanged and in full force and effect.

15A. NAME AND TITLE OF SIGNER (Type or print)

30-105-04EXCEPTION TO SF 30

APPROVED BY OIRM 11-84

STANDARD FORM 30 (Rev. 10-83) Prescribed by GSA

FAR (48 CFR) 53.243

This amendment is issued to update the specifcations and draw ings, include omitted draw ings and geotechnical documets, incorporate a revised price schedule, extend the proposal due date, and incorporate responses to pre-proposal inquiries (PPIs).

See continuation page(s).

1. CONTRACT ID CODE PAGE OF PAGES

J 1 8

16A. NAME AND TITLE OF CONTRACTING OFFICER (Type or print)

16C. DATE SIGNED

BY 13-Feb-2024

16B. UNITED STATES OF AMERICA15C. DATE SIGNED15B. CONTRACTOR/OFFEROR

(Signature of Contracting Officer)(Signature of person authorized to sign)

8. NAME AND ADDRESS OF CONTRACTOR (No., Street, County, State and Zip Code) X N4008524R2510

X 9B. DATED (SEE ITEM 11)

19-Jan-2024

10B. DATED (SEE ITEM 13)

9A. AMENDMENT OF SOLICITATION NO.

11. THIS ITEM ONLY APPLIES TO AMENDMENTS OF SOLICITATIONS

X The above numbered solicitation is amended as set forth in Item 14. The hour and date specified for receipt of Offer X is extended, is not extended.

Offer must acknowledge receipt of this amendment prior to the hour and date specified in the solicitation or as amended by one of the following methods:

(a) By completing Items 8 and 15, and returning copies of the amendment; (b) By acknowledging receipt of this amendment on each copy of the offer submitted;

or (c) By separate letter or telegram which includes a reference to the solicitation and amendment numbers. FAILURE OF YOUR ACKNOWLEDGMENT TO BE RECEIVED AT THE PLACE DESIGNATED FOR THE RECEIPT OF OFFERS PRIOR TO THE HOUR AND DATE SPECIFIED MAY RESULT IN

REJECTION OF YOUR OFFER. If by virtue of this amendment you desire to change an offer already submitted, such change may be made by telegram or letter, provided each telegram or letter makes reference to the solicitation and this amendment, and is received prior to the opening hour and date specified.

12. ACCOUNTING AND APPROPRIATION DATA (If required)

13. THIS ITEM APPLIES ONLY TO MODIFICATIONS OF CONTRACTS/ORDERS.

IT MODIFIES THE CONTRACT/ORDER NO. AS DESCRIBED IN ITEM 14.

A. THIS CHANGE ORDER IS ISSUED PURSUANT TO: (Specify authority) THE CHANGES SET FORTH IN ITEM 14 ARE MADE IN THE

CONTRACT ORDER NO. IN ITEM 10A.

B. THE ABOVE NUMBERED CONTRACT/ORDER IS MODIFIED TO REFLECT THE ADMINISTRATIVE CHANGES (such as changes in paying office, appropriation date, etc.) SET FORTH IN ITEM 14, PURSUANT TO THE AUTHORITY OF FAR 43.103(B).

C. THIS SUPPLEMENTAL AGREEMENT IS ENTERED INTO PURSUANT TO AUTHORITY OF:

D. OTHER (Specify type of modification and authority)

E. IMPORTANT: Contractor is not, is required to sign this document and return copies to the issuing office.

14. DESCRIPTION OF AMENDMENT/MODIFICATION (Organized by UCF section headings, including solicitation/contract subject matter where feasible.)

10A. MOD. OF CONTRACT/ORDER NO.

2. AMENDMENT/MODIFICATION NO. 5. PROJECT NO.(If applicable)

6. ISSUED BY

3. EFFECTIVE DATE

13-Feb-2024

CODE

NAVFACSYSCOM MID-ATLANTIC

CONTRACTING CORE

9324 VIRGINIA AVENUE

NORFOLK VA 23511-3095

N40085 7. ADMINISTERED BY (If other than item 6)

4. REQUISITION/PURCHASE REQ. NO.

CODE

See Item 6

FACILITY CODECODE

EMAIL:TEL:

N4008524R2510

SECTION SF 30 BLOCK 14 CONTINUATION PAGE

SUMMARY OF CHANGES

SECTION SF 30 - BLOCK 14 CONTINUATION PAGE (SF 30)

The following have been added by full text:

AMENDMENT 0002

The purpose of this amendment is to:

1. Extend the proposal due date.

2. Continuation sheet to include omited drawings and geotechnical documents, also attached separately.

3. Continuation sheet to update and include specifications and plans, also attached separately.

4. Incorporate a revised price schedule, attached separately.

5. Continuation sheet to provide responses to pre-proposal inquiries (PPIs).

2. CONTRACT DRAWINGS

NAVFAC Dwg. Nos. Phase 1: 12889482, 12889547, 12889558, 12889632, 12889633, 12889634, 12889639, 12889642, 12889643, 12889644, 12889645, 12889646, 12889647, 12889648, 12889652, 12889655, 12889682, 12889684.

NAVFAC Dwg. Nos. Phase 2: 12889796, 12889799, 12890008, 12890009, 12890010, 12890011, 12890012, 12890013, 12890014, 12890015, 12890016, 12890017, 12890018, 12890019, 12890020, 12890021, 12890022, 12890023, 12890024, 12890189, 12890190, 12890191, 12890192, 12890052, 12890054, 12890055, 12890056, 12890057, Plans are revised as of February 9, 2024. These revised drawings accompany this amendment.

Requested Documents PDF copy of a Test Hole Report has been included An image of Historical groundwater readings produced by CH2M has been included.

PHASE 1

On NAVFAC Dwg. 12889482 (G-005)

Deleted Note #37.

On NAVFAC Dwg. 12289547 (CD102)

Increased limits of pavement and concrete to be removed near Arresting Gear #1.

On NAVFAC Dwg. 12889558 (CS102)

Increased limits of new pavement to Arresting Gear #1.

On NAVFAC Dwg. 12889632-12889634, 12889639 (CG100-102, CG105)

All viewports now show proposed contours.

On NAVFAC Dwg. 12889633 (CG101)

Updated Culvert C9-9 to C9-8 length to 112 feet.

On NAVFAC Dwg. 12889642-12889645 (CG202-205)

Revised Matchline sheet references.

On NAVFAC Dwg. 12889646-12889648 (CG206-CG208)

Revised pipe callouts in profile view to match plan view.

On NAVFAC Dwg. 12889652 (CG212)

Revised name of profile and plan view.

On NAVFAC Dwg. 12889682 (CG215)

Revised plan and profile HW C9-8 – HW C9-9.

On NAVFAC Dwg. 12889682 (CG520)

Change “Plastic” to “Non Plastic” On NAVFAC Dwg. 12889684 (CG522)

Revised weir wall details and design information.

PHASE 2

On NAVFAC Dwg. 12889796 (G-002)

Updated sheet numbers and added four sheets to the CG200 series.

On NAVFAC Dwg. 12890008 - 12890024 (CG225 – CG241)

Revised sheet numbers.

On NAVFAC Dwg. 12890189 - 12890192 (CG242 – CG245)

Added sheets to the drawing set.

On NAVFAC Dwg. 128900052 (CG520)

Change “Plastic” to “Non Plastic” On NAVFAC Dwg. 128900054 - 12890057 (CG522 – CG525)

Revised weir wall details and design information.

3. SPECIFICATIONS

The first sheet of Specification 01 20 00 has been included.

Specification 33 01 30.16 has been revised to remove discussion about Herbicides.

4. Price schedule attached separately as “Price Schedule REV 1.”

5. PPI responses:

PPI

No.

Reference Question Government Response

Page

Section Paragraph

1 All Earthwork

This project involves extensive earthwork, would the government be open to providing AutoCAD files to contractors for use in establishing earthwork quantities?

An AutoCAD drawing will not be provided.

2 CG205

Profile of 36" RCP Between CB C8-11 & CB C9- 4 passes under an existing concrete pad. Nothing is shown on the Demolition plan nor on the paving plans. Please provide concrete pad details and if it is required to be restored at the completion of the pipe work?

The pavement and concrete in this area will be removed. The pavement will be replaced and the concrete will not. Sheets CD102 and CS102 has been revised accordingly

3 CG206

Profile A1 (CB C8-9 to HW C8-6) shows 419' of

(2) 72" x 36" RCP. Plan view calls for 419' of 72" x 36" Box Culvert. Please confirm this is a Box Culvert and there is only (1) and not (2) as identified in the Profile?

This is a SINGLE 72" x 36" box culvert. Sheet CG206 has been revised.

4 CG206

Profile A4 (HW D7-6 to PE D7-59) shows 72' of 72" RCP. Plan view calls for 72' of (2) 72" x 48" Box Culvert. Please confirm this is a box culvert and there is (2) and not (1) as identified in the profile?

The plan view is correct. Dual 72' 72"x48" Box Culvert. Sheet CG206 has been revised.

5 CG208

Profile A1 (CB C7-81A to CB D6-20) shows two runs of 72" RCP between CB D7-80 and CB D7-

54. Plan sheets show 72" x 36" Box Culvert.

Please confirm these are Box Culverts and not

RCP.

Between Structure CB D7-80 and CB D7-54 there is a SINGLE run of 72"x36" box culvert. Sheet CG208 has been revised.

6 CG212

Line CB E6-45 to Level Spreader splits the Phase I and Phase II limits. Please confirm intent on what should be included in Phase I work as drawing CG212 does not show the limits of Phase

I similar to other drawings provided.

The plan view is mislabeled and has been corrected.

CB D6-3 and MH-3A must be included in Phase 1.

The rest of the structures shown on the profile will be included in Phase 2.

7 CG215

Profile A4 (HW C9-8 to HW C9-9 shows a box culvert size of 60"x72". Plan view shows 60" x 60" box culvert. Please confirm correct size?

The correct callout should be 112' of (2) 60"x60" Box @ 0.09%. Sheet CG101 and CG215 have been updated.

8 CG215

Profile A4 (HW C9-8 to HW C9-9 shows a box culvert length of 112'. Plan view shows 60' box culvert. Please confirm correct length?

The correct callout should be 112' of (2) 60"x60" Box @ 0.09%. Sheet CG101 and CG215 have been updated.

9 CG521

Detail C1 (Airfield Manhole) shows a max wall length of 5'-0". There are numerous of these are have 60" pipes entering and exiting these structures on a skew. Please confirm this detail can be utilized for up to 60" RCP.

The detail will not support 60" pipes. The project specifications require the contractor to provide shop drawings for airfield structures. See Spec 33 40 00.

See Stormwater Structure notes on CG520.

10 CG520

Detail D2 (Culvert Trench Section Beneath Paved Area) shows flowable fill is required to the bottom of the pavement section, should the contactor assume this is the bottom of the Cement Treated Soil Layer or the actual concrete pavement? Is there a minimum required width outside of the pipe or box that is required to be flow fill or does it follow Details A3 & C4?

Yes, Contractor to assume that the flowable fill is from the bottom of the cement treated soil layer.

Details A3 and C4 should be used in conjunction with D2.

11 CG520

Please confirm the table provide in Detail A3 is applicable to both Plastic and non-plastic pipe.

The word "Plastic" has been replaced with "Non- Plastic". Sheet CG520 has been updated in both

Phase 1 and Phase 2.

12 CG520

All structures around the fuel pits require Aircraft Rated Structures even though they are installed outside of the pavement. Please confirm these sections of pipe do not require Flowable Fill since they are no under pavement. If these do require flowable fill please confirm if there are any special considerations that should be followed for the numerous crossing utility lines such as sleeves or joints in the flowable fill.

Sections of pipe outside of the pavement do not require flowable fill.

13 CG208

There are multiple runs of pipe that require 2 pipes be installed such as between CB D7-54 and CB D6-21, but no detail of the required spacing between these pipes is included in the Details.

Please confirm what the trench section looks like in this situation.

See Sheet CG509.

14 CG505

Will Pre-Cast box culverts be allowed or will all be required to be Cast-In-Place?

Pre-cast box culverts will be allowed.

15 B-001

Snapshot of the Historical Groundwater Data from CH2M is not readable when zoomed in at all. Please provide this in a higher quality image/document.

A copy of the requested document has been included with these responses.

16 CD101

Please confirm if existing utilities to be removed are encased in concrete.

Not all utilities are encased in concrete. Utility Test Hole information has been included with these responses.

17 CG102

There appear to be proposed contours missing from matchline Sta 107+50 to approximatley Sta

116+00. Please provide updated drawing showing proposed contours.

Contours were missing from the plan sheet. Sheet CG102 has been updated.

18 CG105

There appear to be proposed contours missing from matchline Sta 140+00 to approximatley Sta

145+00. Please provide updated drawing showing proposed contours.

Contours were missing from the plan sheet. Sheet CG105 has been updated.

19 GC100

There are no Existing contours between station

82+00 & 79+50. Please provide an updated drawing showing existing contours.

Contours were missing from the plan sheet. Sheet CG100 has been updated.

20 GC100

Ditch D Proposed contours are missing from STA

67+00 to STA 47+00. Please update drawings with proposed contours.

Contours were missing from the plan sheet. Sheet CG100 has been updated.

21 CG205

Pipe between CB E5-46 & CB E5-21 is called out as 72" x 36" RCP. Please confirm this is a box culvert and not RCP Pipe.

The pipe is a 72"x36" BOX. Please note that the sheet numbering for all Phase II SW Profile sheets will be revised to avoid a conflict with Phase I numbering. Sheet CG205 (New CG227) and

CG109A have been updated.

22 CG210

Detail A3 is to be Profile for CB ES-19 to CB ES-

19B. No Profile is shown. Please update drawings.

Sheet CG210 (New CG232) has been updated.

23 CG215

Profiles between CB E3-4 & CB F4-25 conflict, one says 30" RCP, other says 36" RCP. Please confirm 36" per the plans is correct.

The correct size 36" RCP. Sheet CG215 (New CG238) has been updated.

CG110/CG1

A Section of 72" x 48" Box Culvert between CB E5-7 and CB F4-12 does not have a profile included in the plans. It appears that the intent is to install the box culvert across 14L-32R as there are joint details in the paving plans and it shows in the demolition plans, however, no pavement is shown being replaced on 14R-32L. Please confirm limits of this pipe and provide profile for this run of box culvert.

Several runs of pipes were missing. Plan and Profile Sheets CG242 - CG245 have been added to the drawing set. See Sheet CS110 and CS111 for pavement replacement.

25 CG119

No profile is provided for the 25' of 72" x 72"

Box Culvert. Please confirm this is in scope and is not existing.

The box culvert is part of this project. Sheet CG221 (New CG244) has been updated.

26 CG118

This drawing shows HW D4-10 a headwall for a 48" RCP. Please confirm only channel grading is required at this location and that future phases will construct this headwall & pipe?

That is correct, cannel grading only.

CG113/CG1

No Profile is provided for the run of pipe along Taxiway Papa from CB F4-10 to CB F4-43.

There is a note on the drawing stating that work South of CB F4-4 will be constructed in Phase 3.

Please confirm if this section of pipe is included in this project.

Several runs of pipes were missing. Plan and Profile Sheets CG242 - CG245 have been added to the drawing set.

CG108/CG1

09A

Section of Pipe from CB E5-23 to CB E5-23B does not have a profile in the plans. Please provide this drawing.

Several runs of pipes were missing. Plan and Profile Sheets CG242 - CG245 have been added to the drawing set.

29 CG119

There is a section of pipe ending at HW D3-10 that is depicted. This appears to be for a future phase. Please confirm this proejct will build no portion of what is shown on this drawing associated with this 48" RCP pipe.

The pipe in question will be constructed in Phase IV.

pg 21 of 88

00 21 00 -

Instructions

4.3 Pre-Proposal

Inquiries

4.3 Pre-Proposal Inquiries states all inquiries must

be submitted 14 days prior to proposal due date.

Please specify whether it should be calendar days or business days.

14 calendar days.

Drawing Files are too big, can the Government issue smaller file sizes?

The file size is below the government threshold for contract documents. Smaller files will not be issued.

Price

Schedule

Line Item 0002 is for work along Ditch D & Ditch D1. No mention in the description if this is to include Rectangular Weir Wall A & B or if those are base bid items. Please confirm where the Weir Walls are to be carried?

Weir Wall A & B should be included in Line Item

Culvert C9-7 to C9-6 is to be installed at the crossing of Weapons Road. The demolition drawings show that this is an asphalt roadway but no hatch provided for what repair is required.

Please confirm Detail A4 on GC 114 is to be utilized?

Sheet CS100 has been revised and reissued. The correct pavement section is A1 on GC114.

34 G-005 Note #10 states that Air Operations has barricades available for use on the project. Please confirm quantity that are available for Contractor use.

There are 325 low profile airfield barricades.

35 G-005

Notes #37 states "All free concrete pavement edges abutting grassed, gravel, or asphalt pavement must have thickened edges." This requirement is not reflected in the pavement sections in the CG drawings nor the concrete jointing plans. Please confirm this is not required?

Note #37 has been removed.

36 CG522, CG103A, & CG100

Details between the Drainage Plan and the details provided on CG522 are not lining up. Lengths are different between plan view and the weir table provided. The Sections show 10' tall sheet pile but this does not match the length shown on the weir table. Please provide updated information.

All weir details for both Phase 1 and Phase 2 have been revised. Sheet CG522 in Phase 1 has been reissued, Sheets CG523, CG524 and CG525 has been reissued.

37 CG525

Details between the Drainage Plan and the details provided on CG525 are not lining up. Lengths are different between plan view and the weir table provided. Please clarify what information is correct?

All weir details for both Phase 1 and Phase 2 have been revised. Sheet CG522 in Phase 1 has been reissued, Sheets CG523, CG524 and CG525 has been reissued.

CG103A, CG100, CG523-

Plan views of the weirs show a concrete pad at the top of each weir. No details provided, please clarify what is required.

Weir pad details have been added to Sheet CG522 in Phase 1 and CG525 in Phase 2.

39 01 20 00 The first page of this specification is missing.

Please provide The first page of the specification has been included with Amendment 0002.

40 33 01 30.16

This whole specification seems like a mix match of CCTV Inspection of Sewers and Herbicide

Treatment. Please clarify what should be covered by this specification.

Specification 33 01 30.16 has been revised and reissued within Amendment 0002.

CG522 &

CG525

Weir Wall A & C Design Moment is not provided. Please provide.

Sheets CG522 and CG525 have been revised and reissued.

Description for Line Item 0001G states: "Unit Price for all work and costs associated with providing imported Select Material backfill for areas where petroleum saturated contamined soils were removed in Line Item 0001E." Line Item 0001E is for the removal of oily water, fuel, and sludge inside abandoned fuel lines and not the removal of soil from the project. Please confirm that the reference to Line Item 0001E should be

Line Item 0001F?

A revised price proposal form has been uploaded.

Please note that the format has been changed. The contents is the same just formatted differently.

Line Item 0001H Criteria for Bidding states:

"Backfill of any over excavation beyond planned excavation limits required to be made for removal will be paid for separately using Line Item 0001F." Line Item 0001F is for the excavation and disposal of soil and not for the backfill of the removed soil. Please confirm reference to Line

Item 0001F should be changed to Line Item 0001G?

A revised price proposal form has been uploaded.

Please note that the format has been changed. The contents is the same just formatted differently.

Line Item 0002 is for work along Ditch D & Ditch D1. Ditch D Extends nearly 7,000 LF and includes 4 box culverts (C9-5 to C9-4, C9-7 to C9-6, C9-9 to C9-8, & C8-3 to C8-2), please confirm if all of these culverts are to be included in this Line Item or if some are included in the

Base Bid?

A revised price proposal form has been uploaded.

Please note that the format has been changed. The contents is the same just formatted differently. Line Item 10, Option No. 9 states, "This work includes, but is not limited to, clearing, grubbing, grading, tree and stump removal, construction of new stormwater culverts, headwalls, gravel access path, and permanent stabilization." The referenced box culverts and any other improvement along the ditches lines should be included.

SECTION 00 10 00 - SOLICITATION

The required response date/time has changed from 01-Mar-2024 02:00 PM to 15-Mar-2024 02:00 PM.

(End of Summary of Changes)

Line Item 0004G Criteria for Bidding states:

"Backfill of any over excavation beyond planned excavation limits required to be made for removal will be paid for separately using Line Item 0004G." . Please confirm reference to Line Item 0004G should be changed to Line Item 0004F?

A revised price proposal form has been uploaded.

Please note that the format has been changed. The contents is the same just formatted differently.

Geotech Report

Given extensive earthwork and grading we request to review the geotech report to better evaluate the soil conditions, existing pavement thickness, and groundwater elevations.

Boring logs have been included in the B Series of the plans. The complete geotechical report will not be provided.

47 GC-100

General Phasing Note # 3.3 states " The Stormwater system shall be installed downstream to upstream. Work associated with Ditch-D and

Ditch D1 must be completed prior to the upstream stormwater systems being removed and reconstructed." Ditch D & Ditch D1 are Option Line items that can be executed up to 365 days after award. If Option is not exercised please confirm the requirement to complete Ditch D & Ditch D1 will be waived?

If Line Item 10, Option No. 9 is not awarded the contractor will not be required to perform any of the work within the specified limits of Line Item 10, Option No. 9.

48 01 57 19 1.5

First paragraph in Section 1.5 Special Environmental Requirements states "See the

Permit Record of Decision Form attached to this Specification for additional information." Unable to locate this document, please provide.

The Permit Record of Decision Form has been included with this Addendum

49 01 57 19 1.5.1.1.1

The first paragraph states "Discrete soil samples for the project site were collected and the analytical test results and a sampling location plan were provided as attachments to this specification." Unable to locate this document, please provide.

Existing data collected by the Environmental Restoration Program will be provided as an

Addendum.

50 01 57 19 1.5.1.1.6.3

Last paragraph of this section states " The most recent OSD at the time of editing this specification may be access at…." The link that follows this sentence is not the full link and we cannot open this OSD. Please provide an updated link.

https://www.acq.osd.mil/eie/eer/ecc/pfas/docs/news/ Memorandum_for_Interim_Guidance_on_Destructio n_or_Disposal_of_Materials_Containing_PFAS_in_t he_U.S.pdf

51 01 57 19 1.7.3.f

This section states that no trees may be demolished during the months of December 15 - February 15 and April 15 - July 31. Section 3.1 of the same specification states tree removal is only permitted between October 15 - December 14 each year. Please confirm correct timeframe when trees can be demolished.

Trees should only be removed from October 15- December 14 of any given year based on recent

USFWS consultation construction requirements for minimal disturbance to endangered species.

SF1442,

Our technical and price proposal depends heavily on answers to previously submitted RFI's, none of which have been answered as of 2/12/24. Would the government consider providing a two-week extension to allow us to provide a comprehensive that accurately reflects the solicitation requirements?

See Amendment 0002 Continuation Sheet.