Amendment_0003_to_140R2024R0015_0003.pdf

(x)

140R2024R0015 x x

1 copies of the amendment; (b) By acknowledging receipt of this amendment on each copy of the offer submitted ; or (c) By separate letter or electronic communication which includes a reference to the solicitation and amendment numbers. FAILURE OF YOUR ACKNOWLEDGEMENT 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 letter or electronic communication, provided each letter or electronic communication makes reference to the solicitation and this amendment, and is received prior to the opening hour and date specified.

x

Sacramento CA 95825-1898 2800 Cottage Way, Room E-1815

R20

Division of Acquisition Services Regional Office Mid-Pacific Region Bureau of Reclamation

11/12/20240003

13. THIS ITEM ONLY APPLIES TO MODIFICATION OF CONTRACTS/ORDERS. IT MODIFIES THE CONTRACT/ORDER NO. AS DESCRIBED IN ITEM 14.

12. ACCOUNTING AND APPROPRIATION DATA (If required) is not extended.is extended, Items 8 and 15, and returning

Offers 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

The above numbered solicitation is amended as set forth in Item 14. The hour and date specified for receipt of Offers

11. THIS ITEM ONLY APPLIES TO AMENDMENTS OF SOLICITATIONS

FACILITY CODE CODE

10B. DATED (SEE ITEM 13)

10A. MODIFICATION OF CONTRACT/ORDER NO.

9B. DATED (SEE ITEM 11)

9A. AMENDMENT OF SOLICITATION NO.

CODE

8. NAME AND ADDRESS OF CONTRACTOR (No., street, county, State and ZIP Code)

7. ADMINISTERED BY (If other than Item 6)CODE 6. ISSUED BY

PAGE OF PAGES

4. REQUISITION/PURCHASE REQ. NO.3. EFFECTIVE DATE2. AMENDMENT/MODIFICATION NO. 5. PROJECT NO. (If applicable)

1. CONTRACT ID CODE

AMENDMENT OF SOLICITATION/MODIFICATION OF CONTRACT

11/12/2024

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

B. THE ABOVE NUMBERED CONTRACT/ORDER IS MODIFIED TO REFLECT THE ADMINISTRATIVE CHANGES (such as changes in paying office, C. THIS SUPPLEMENTAL AGREEMENT IS ENTERED INTO PURSUANT TO AUTHORITY OF:

D. OTHER (Specify type of modification and authority) appropriation data, etc.) SET FORTH IN ITEM 14, PURSUANT TO THE AUTHORITY OF FAR 43.103(b).

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

ORDER NO. IN ITEM 10A.

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

A. TITLE: B. F. Sisk Dam SOD Modifications, Phase II

B. PURPOSE: The purpose of this amendment is to incorporate various changes to solicitation documents.

C. DESCRIPTION: This amendment hereby incorporates the following:

1) Offeror's Questions and Answers - Amendment 0003 (Note - Additional questions to be answered in forthcoming amendment.)

2) Revised Contract Section C:

Continued ...

16A. NAME AND TITLE OF CONTRACTING OFFICER (Type or print)15A. NAME AND TITLE OF SIGNER (Type or print)

15C. DATE SIGNED 16B. UNITED STATES OF AMERICA 15B. CONTRACTOR/OFFEROR 16C. DATE SIGNED

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

STANDARD FORM 30 (REV. 11/2016)

Prescribed by GSA FAR (48 CFR) 53.243

Previous edition unusable

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

ITEM NO. SUPPLIES/SERVICES QUANTITY UNIT UNIT PRICE AMOUNT

NAME OF OFFEROR OR CONTRACTOR

2 3

CONTINUATION SHEET

REFERENCE NO. OF DOCUMENT BEING CONTINUED PAGE OF

(A) (B) (C) (D) (E) (F)

140R2024R0015/0003

Remove and Replace the following specifications in Section C:

Remove Specification 31 03 33 - Removal and

Control of Water and replace with Specification

31 03 33 - Removal and Control of Water, Amendment 0003.

Remove Specification 31 23 02 - Compacting Earth

Materials and replace with Specification 31 23 02

- Compacting Earth Materials, Amendment 0003

Remove Specification 31 23 17 - Excavation of

Shear Key and replace with Specification 31 23 17

- Excavation of Shear Key, Amendment 0003

Remove Specification 31 23 19 - Excavation from

Borrow and replace with Specification 31 23 19 -

Excavation from Borrow, Amendment 0003

Remove Specification 31 23 25 - Relocating

Existing DWR Maintenance Yard - and replace with

Specification 31 23 25 - Relocating Existing DWR

Maintenance Yard, Amendment 0003

Remove Specification 31 24 16 - Zone 8, Miscellaneous Fill and replace with Specification

31 24 16 - Zone 8, Miscellaneous Fill, Amendment

Remove Specification 32 10 16 - Removing Existing

Asphalt Pavement and Base Course and replace with

Specification 32 10 16 - Removing Existing

Asphalt Pavement and Base Cours, Amendment 0003

Remove Specification 32 12 30 - Gonzaga Road

Maintenance and replace with Specification 32 12

30 - Gonzaga Road Maintenance, Amendment 0003

Remove and Replace the following Drawings:

Remove Drawing 805-D-60206 and replace with

Drawing 805-D-60206 rev. 1 - Amendment 0003

Remove Drawing 805-D-60241 and replace with

Drawing 805-D-60241 rev. 1 - Amendment 0003

Remove Drawing 805-D-60242 and replace with

Drawing 805-D-60242 rev. 1- Amendment 0003

Continued ...

NSN 7540-01-152-8067 OPTIONAL FORM 336 (4-86)

Sponsored by GSA

FAR (48 CFR) 53.110

ITEM NO. SUPPLIES/SERVICES QUANTITY UNIT UNIT PRICE AMOUNT

NAME OF OFFEROR OR CONTRACTOR

3 3

CONTINUATION SHEET

REFERENCE NO. OF DOCUMENT BEING CONTINUED PAGE OF

(A) (B) (C) (D) (E) (F)

140R2024R0015/0003

3) Remove Section L and replace with Section L, Amendment 0003

4) Remove and Replace the following Attachments:

Remove Attachment 5, General Decision Number

CA20240018 dated October 18, 2014, and replace with Attachment 5, General Decision Number

CA20240018 dated December 20, 2024, Amendment 0003

Remove Attachment 9 Key Personnel Responsibly

Determination and replace with Attachment 9, Key

Personnel Responsibility Determination, Amendment

Remove Attachment 10, Corporate

Experience/Management Control Responsibility

Determination and replace with Attachment 10, Corporate Experience/Management Control

Responsibility Determination Amendment 0003

NSN 7540-01-152-8067 OPTIONAL FORM 336 (4-86)

Sponsored by GSA

FAR (48 CFR) 53.110

B.F. Sisk Dam SOD Modifications, Phase II (140R2024R0015_ Offeror’s Questions and Answers (Q&A)

Amendment 0003

Question 1: Specifications section 51 00 80 part 1.02 - Environmental Records and Permits states that associated environmental permits are available upon request to the CO. Can all currently available permits be released to potential bidders?

Response 1: Yes, all available permits are available. To request Environmental Records and Permits, please email Roxana Ahola at rahola@usbr.gov and cc: Abelardo (Carlos) Lopez at aclopez@usbr.gov to request the Kiteworks link.

Question 2: Please provide CAD files to assist in quantity takeoff and breakdown for construction estimating. This request would be for linework contours for both existing ground surfaces and finish grade surfaces in .dwg format. If available, please provide .xml files for original ground and design surfaces.

Response 2: Instructions on how to obtain CAD files are provided in Amendment No. 0001.

Question 3: Do you have a bidders or planholders list for this project you can share?

Response 3: Site Visit sign in sheet is available in Amendment No. 0001.

Question 4: Who would be a good contact in your engineering department I can reach out to for a general presentation?

Response 4: We are unable to accept requests for technical presentations to our engineering department.

Question 5: Please clarify where to include the bid bond within the proposal. Volume I, Business Proposal, subsection (b) lists Performance and Payment Bonds. Was this intended for the bid bond?

Response 5: Section L, WBR 1452.215-81 (e) (1)(b) revised from Performance and Payment Bonds to Bid Bonds in accordance with FAR 52.228-1.

Question 6: Specification Section 31 23 25 paragraph 3.01A. states “Remove and dispose of spent blast media in existing DWR Maintenance Yard. Refer to Soil Sampling Report prepared by DUDEK”. Please provide the Soil Sampling Report done by DUDEK.

Response 6: To request Soil Sampling Report by DUDEK, please email Roxana Ahola at rahola@usbr.gov and cc: Abelardo (Carlos) Lopez at aclopez@usbr.gov .

Question 7: Can Specification Section B - Pricing Schedule be provided in Excel format?

Response 7: Pricing Schedule available in Amendment No. 0001.

Question 8: Specification Section L, WBR 1452.215-81, Section e - The contents to be submitted in Volume I include (1b) Performance and Payment Bonds. Performance and Payment Bonds are submitted post award. Should this be replaced with Bid Bond?

Response 8: Section L, WBR 1452.215-81 (e) (1)(b) revised from Performance and Payment Bonds to Bid Bonds in accordance with FAR 52.228-1.

Question 9: Solicitation Requirements - We are requesting at least one week extension from 1/13/2025 for the proposal due date.

Response 9: Amendment No. 0002 extended proposal due date to January 27, 2025, at 12pm

(PST).

Question 10: General Content L-9 "Font sizes must be no smaller than Times New Roman, size 10 type." Would you consider a font other than TNR, such as Calibri or Arial?

Response 10: Calibri or Arial is acceptable.

Question 11: (d) Format L-9 - (1) "Provide a Table of Contents which lists all sections specific to the proposal Volume."

Please confirm if a TOC is needed for Volume I, since the instructions on L-10 do not list a TOC as a requirement.

Response 11: Table of Contents is required for Volume 1. per revised Section L, WBR 1452.215- 81, (e) 1.

Question 12: Subfactor 1B - L-13 Please confirm the minimum required Key Personnel. Page L- 13, Key Personnel includes: (1) PM, (2) Earthwork Super, (3) Prof. Mining Eng., (4) Prof. Land Surveyor, (5) Safety Professional

Attachment 9 Key Personnel includes: (1) PM, (2) Blaster-in-Charge, (3) Blasting Consultant, (4) Earthwork Super, (5) Concrete Structures Super

Response 12: Attachment 9 has been updated to reflect required key personnel listed in Section L on L-13.

Question 13: Evaluation Factor 2 L-14 - Text refers to Attachment 6 - Past Performance Questionnaire (which is actually Attachment 7) and requires that the customer entity completing the PPQ "return the PPQ directly to the Contract Specialist indicated on the PPQ..." Please confirm if PPQs are to be addressed/sent to Roxana Ahola.

Response 13: Revised Section L, WBR 1452.215-81, Evaluation Factor 2 - Past Performance

Contents, to Attachment 7 as this is the correct attachment number. PPQs are to be sent to Roxana Ahola using the contact information provided in the Solicitation.

Question 14: Evaluation Factor 2 L-14, L-15 L-14: "The Offeror shall furnish a list of no more than four (4) Federal, State, local government or commercial projects..." L-15: "If the total number of such contracts exceeds (3) three..." Please confirm the max total number of allowable projects.

Response 14: Revised Section L as requirement has been updated to four (4).

Question 15: Evaluation Factor 2 L-15, Subcontractor Past Performance - A reference is made to bullet 1b; there is no 1b. Please provide clarification.

Response 15: Revised language from ""in bullet 1b" to "Subfactor 1B."

Question 16: Evaluation Factor 2 L-15, 2- A reference is made to Factor 2A; there is no 2A. Please provide clarification.

Response 16: Section L Evaluation Factor 2 language revised from" Factor 2A" to "Evaluation Factor 2."

Question 17: Section 30 05 16 and page 805-D-60241 - Precast Reinforced Concrete Box Culvert - The Specification references End Treatment as part of the lump sum price but the drawing and the specification do not include any end treatment requirements beyond the Rock Blanket. Should the ends of the box culvert have headwalls and possibly barrier railing for the for the access road?

Response 17: End treatment beyond the Rock blanket requirements are not required. Headwalls are not required. Barrier Railings are not required.

Drawing 805-D-60241 and 805-D-60242 have been revised to provide additional details at the culvert crossing location. Of note are boulders to be placed along the sides of the roadway at the crossing.

Question 18: Given the upcoming holiday schedule, please consider a bid extension of 4 weeks to accommodate the substantial effort required for this proposal, including but not limited to, Small/DBE subcontractor solicitation, proposal preparation times, environmental compliance review, and PLA requirements.

Response 18: Amendment No. 0002 extended proposal due date to January 27, 2025, at 12pm

(PST).

Question 19: If you could give me a list of the Contractors invited to bid on the project.

Response 19: Site Visit sign in sheet is available in Amendment No. 0001.

Question 20: Spec Section 0 14 20, 1.04E states when the reservoir exceeds El. 525, it typically drops below El. 525 in May and stays below El. 525 until January. For the purpose of establishing a baseline in this competitive RFP, can contractors assume elevations will be below El. 525 from May to January throughout the contract POP?

Response 20: The historical reservoir operations are summarized in Section 01 14 20, paragraph 1.04, E., 1. through 3. The offeror should also review the historical monthly average water surface elevation data in Section 51 00 40 – Historical Reservoir Elevation Data.

For bidding purposes assume the reservoir will drop below El. 525. The Government will coordinate monthly reservoir operations and forecasting meetings with the contractor as listed in Section 01 14 20, 1.04, F. to inform when the restricted work features can be completed.

Question 21: Given the proposal is due on 1/13/2026 and the contractor is to allow 120 days for Government acceptance, contract award may potentially be as late as 5/13/2026. The RFP states to anticipate an NTP of 6/2/2026. What is the reason for the 3-week lag between award and NTP?

Response 21: For bidding purposes assume an Award date of May 13, 2025 and a Notice to Proceed of June 2, 2025.

Question 22: Proposal Instructions Subfactor 1A b) states the Gantt Chart “shall have columns that display the following information in the following order: activity ID and name, planned duration, calendar ID, early start, late start, early finish, late finish and total float. The schedule shall meet the requirements of specification section 01 32 10 – Part 1.07.A, Schedules.” However, Section 01 32 10 states “Do not display early start and late start fields”. For the proposal, which document should take precedence?

Response 22: Instructions in Section L, WBR 1452.215-81 (f) Subfactor 1A - Coordinated Construction Schedule, (b) 1, takes precedence.

Question 23: Can contractors dig test pits in the borrow areas and the quarry during the solicitation period?

Response 23: Test pits will not be allowed during the solicitation period.

Question 24: Specification section 53 30 00 paragraph 1.02.A. states, “The following geological and subsurface investigations are available upon request to the CO.” Please provide all referenced documents listed in 1.02A.

Response 24: To request geological and subsurface investigations documentation, please email Roxana Ahola at rahola@usbr.gov and cc: Abelardo (Carlos) Lopez at aclopez@usbr.gov to request the Kiteworks link.

Question 25: Specification 31 23 22 paragraph 1.03.I states “A historical landslide exists along the East Basalt Hill Quarry Haul Road. This area shall be managed to maintain use as needed throughout the contract.” Can the Government confirm that the current condition of the road is acceptable?

Response 25: The East Basalt Hill Quarry Haul Road spanning the landslide experienced no appreciable movement during Phase I construction. Some sloughing did occur above the haul road following a heavy rain event which required minor slope regrading and drainage ditch improvements. Yes, the current condition of the road is acceptable but could change following a heavy rain event.

Question 26: Specification 31 24 16, paragraph 2.01.C.1.c states to use suitable materials from Basalt Hill Quarry, blended at maximum of 10% by volume with Panoche Formation-derived materials. Specification 53 10 00, paragraph 1.04.A.2.b states “Processing for the above zoned materials may result in byproduct materials. Byproduct materials are to be mixed with materials from other sources to produce Zone 8, Miscellaneous Fill. Refer to Section 31 24 16 – Zone 8, Miscellaneous Fill. Assume 200,000 cubic yards of byproduct materials will be used within Zone 8.” Specification 31 24 16, paragraph 2.01.C.1 states “Zone 8 miscellaneous fill may also be sourced from Aggregate Wates Materials from quarrying activities at Basalt Hill.” Please confirm if the contractor is required to load, haul, and blend 200,000 CY of byproduct material, from both existing stockpiles as well as newly produced byproduct, from the Basalt Hill Quarry to one of the borrow areas to produce Zone 8 – Miscellaneous Fill. If so, please provide a bid item for the 200,000 cy of Basalt Hill Quarry Zone 8 Byproduct including how this work will be measured and paid for.

Response 26: Waste aggregate materials obtained from Basalt Hill Quarry meeting the Zone 8 - Miscellaneous Fill requirements may be blended with materials obtained from the borrow areas at the point of placement.

The bids shall assume that 200,000 CY of waste aggregate from Basalt Hill Quarry shall be used as a source for Zone 8 miscellaneous fill and blended with the other borrow area sourced materials in accordance with Section 31 24 16. The costs associated with hauling and blending Aggregate Waste Materials shall be included in the unit price for Zone 8.

Specification 31 24 16, paragraph 2.01.C.1 will be revised to state: "Zone 8 miscellaneous fill "shall" also be sourced from Aggregate Wates Materials from quarrying activities at Basalt Hill.”

Question 27: Specification 31 23 19 paragraph 1.05.E. states “Borrow area shall meet MSHA requirements. Haul roads shall meet MSHA requirements within limits of borrow.” Does MSHA have jurisdiction over the borrow areas if no crushing occurs in the borrow? Or is the Contractor to follow MSHA rules (i.e. haul road berms) but MSHA does not have jurisdiction of the borrow?

Response 27: See 31 23 19, Paragraph 3.01, F. for MSHA jurisdiction when processing materials in the borrow areas. If processing involves screening of oversized material only, MSHA requirements do not apply.

Question 28: Can the Government please confirm that the Basalt Hill Quarry is under MSHA jurisdiction even when material is not leaving the project site?

Response 28: Yes, the Basalt Hill Quarry is under MSHA jurisdiction.

Question 29: Specification 33 29 04 paragraph 1.02.A states “Pipe containing asbestos may be encountered in the work areas...” Can the government confirm whether or not the toe drain pipe being removed contains asbestos?

Response 29: The Government cannot confirm the pipes do/do not contain asbestos. For bidding purposes, assume drainpipe to be removed contains asbestos.

Question 30: Specification 31 23 02 Paragraph 3.04.A.4.b states, “Compaction equipment shall be rated at a maximum operating weight of 70,000 lbs. or greater.” Can the Government please clarify this should be a minimum operating weight.

Response 30: Specification 31 23 02 Paragraph 3.04.A.4.b revised to remove the word 'maximum'.

Question 31: Specification 31 23 17 Paragraph 1.02.H.1 & 2 state a machine size of 450 hp and 300 hp or larger to define common excavation. Please confirm these are the maximum size dozer and excavator to define common excavation, not the minimum size. If the listed values are a minimum, please provide the maximum size so Contractors can include appropriate equipment in the estimate.

Response 31: Correct, these equipment sizes are intended to represent the maximum sizes of equipment. Specification 31 23 17 Paragraphs 1.02.H.1 and 2 revised to remove the phrase 'or larger'.

Question 32: Specification 32 12 30 Paragraph 1.06.A.1.a states “Up to, but not limited to ten repair locations per mile, each full depth repair with a size approximately 10-ft by 10-ft.” Can the Government please confirm that for bidding purposes to assume ten repair locations per mile?

Response 32: For bidding purposes assume ten (10) repair locations per mile will be made per year at the direction of the COR. Specification 32 12 30 Paragraph 1.06 has been revised to reflect the yearly repair requirement.

Question 33: If MSHA regulations must be followed but areas of work are not under MSHA jurisdiction does that mean the mandatory MSHA trainings are required for those areas?

Response 33: MSHA training only applies to those individuals performing work in Basalt Hill Quarry and within the borrow areas if there is processing other than screening of oversized materials.

Question 34: No details are provided for the new permanent access roads for SW165. Are we to assume these new access roads will follow the same details as seen for the NVS/SVS section details on page 60261?

Response 34: Yes, assume the same access road cross section details as shown for the NVS/SVS location on Drawing 805-D-60261.

Question 35: Based on our initial take-offs, the CLIN Quantity for Gravel Surfacing appears to be very low. Please confirm the CLIN Quantity is accurate.

Response 35: Quantity for Gravel surfacing includes the new permanent access roads to be constructed at the NVS/SVS berm, enlarged SW 165 berm, and surrounding the SW 165 toe drain outfalls locations only.

Gravel Surfacing quantity required for construction of Haul Roads is included in the lump sum price as per Specification Section 31 23 22 - Constructing Haul Roads.

Gravel Surfacing quantity required for the new DWR Mainenance Yard is included in the lump sum price as per Specification 31 23 25 - Relocating Existing DWR Maintenance Yard.

Question 36: Specification 31 23 21, paragraph 3.01.A.1 states “Riprap-sized materials encountered during production of other materials shall be separated and stockpiled.” and paragraph 3.01.A.2 states “Additional blasting shall not be performed for the sole purpose of producing riprap.” Please confirm that Contractor will not need to stockpile the full CLIN quantity of 50,000 CY, if the material is not encountered during quarry operations.

Response 36: For bidding purposes, yes assume 50,000 cubic yards of riprap will be processed and stockpiled.

Question 37: Drawing 805-D-60206 identifies a location for riprap stockpiling. Is the Contractor to assume any site preparation is required to access and use this area? Or is the site ready for riprap stockpiling?

Response 37: The contractor should assume clearing, grubbing, and stripping will be required for the planned stockpile location.

Question 38: Spec Section 53 10 00 – 1.06.C states that the 159+00 Berm Toe-Drain has a flow rate of 100 GPM or less. During the site visit on 12/4/24 this same toe drain was observed to be flowing water. Plan Sheet 805-D-60230 shows that this toe drain is to be cut, wrapped in geotextile, encapsulated in Zone 11 material, and abandoned in SW165 Fill. Please clarify that it is the Governments intent to have the Contractor abandon this live flowing toe-drain pipe in the SW165 Fill.

Response 38: Yes, it is the Government's intent to abandon this toe drain pipe in place.

Question 39: Will the development of processed water facilities in contractor use areas such as settling ponds or other aggregate washing measures be allowed under existing permits or will this require additional permit approvals prior to construction?

Response 39: Settling ponds/tanks and or other washing measures are allowed under existing permits.

Question 40: Would an alternate Transverse Drain shape on drawing 805-D-60253 be acceptable if the given shape square footage remains the same in the new shape?

Response 40: Utilize the Transverse Drain geometry on drawing 805-D-60253 for bidding purposes.

Question 41: Specification 31 24 12, paragraph 3.04.G states “Transverse bonding surfaces (surfaces perpendicular to the dam crest centerline) between previously constructed earthfill and earthfill to be placed are subject to approval of the COR.” Given the size of the NVS-SVS embankment, please confirm the Government will allow transverse bonding surfaces.

Response 41: Yes, the Government will allow transverse bonding surfaces with the approval of the Contracting Officer Representative (COR).

Question 42: Cross Sectional Drawings - Will Bureau of Reclamation please provide dam embankment cross sections @ 100 foot intervals for SW165 & NVS-SVS Berm?

Response 42: The Government will not provide additional cross sections. CAD drawings with XML surfaces have been made available as part of Amendment No. 0001

Question 43: Section 51 00 80 - Will Bureau of Reclamation please confirm what the soils in the sand blasting area are potentially contaminated with, and can soil be disposed of at Class I landfill?

Will Bureau of Reclamation provide DUDEK: “Soil Sampling Report, B.F. Sisk Dam – Boneyard, State Route 152, Merced County, California.” Prepared for Department of Water Resources, 715 P Street, Sacramento, California. Prepared by DUDEK, 605 Third Street, Encinitas, California.

September 2024. a. Documents spent blast media in sand blasting area near existing dam toe near Dam Station 105+00 ?

Response 43: To request Soil Sampling Report by DUDEK, please email Roxana Ahola at rahola@usbr.gov and cc: Abelardo (Carlos) Lopez at aclopez@usbr.gov .

Question 44: Plan sheet 805-D-60225 - Reference 18” diameter culvert Note 5 on plan sheet 805- D-60225, what is the pipe material to be used, and is the contractor to install headwalls on either end of the culvert?

Response 44: Refer to Specification Section 33 42 40 - HDPE Pipe Culverts for type of pipe material to be used and required end treatment.

Question 45: Plan sheet 805-D-60225 - Will the Bureau of Reclamation confirm whether topsoil is to be put back of the New Permanent Access Road 2:1 cut slopes?

Response 45: Topsoil is not required in this area.

Question 46: Plan sheet 805-D-60227 - Regarding the limits of installation for geotextiles, one detail shows geotextiles extending 1 foot beyond zone 11 and zone 10 interface, and another detail shows geotextiles extending to the bottom of the shear key. Will the Bureau of Reclamation please confirm that there are two different scenarios of installation, or change to one standard?

Response 46: Yes, there are two different installation scenarios. Detail 3 shows typical installation of Geotextile along the upstream cut slope of the shear key. Section H shows installation of the Geotextile on the left and right cut slopes of the shear key. Geometry and overlap requirements are unique for each scenario.

Question 47: Specification 32 12 26 - Please confirm that bid item #46 Asphalt Concrete shall only be used if the contractor causes damage to Basalt Road or Dam Crest Road and that BOR has not designed any new asphalt pavement sections as part of the contract.

Response 47: Bid item #46 Asphalt Concrete shall be used for replacing existing paved road, which is within the limits of excavation of the new realigned ditch. Refer to Drawing 805-D-60241.

Question 48: Specification 32 12 26 - Please confirm that Asphalt paving needed to maintain Gonzaga Road will only be paid bid Item #47.

Response 48: Yes. Asphalt paving needed to maintain Gonzaga Road will only be paid under bid item #47.

Question 49: Specification 31 23 25 - Please confirm that Zone 8, woven geotextile, chain link fence and gates and gravel surfacing will be paid at their unit rates (Bid Items 40, 43, 49 & 48) to relocate the existing maintenance yard. Bid Item #34 would only include construction costs that are not measured and paid for with other items.

Response 49: Zone 8, chain link fence and gates and gravel surfacing will be paid at their unit rates (Bid Items 40, 43, 49, & 48) to relocate the existing maintenance yard. Bid item #34 includes construction costs that are not measured and paid for with other items, i.e., costs for moving Existing Maintenance Yard Equipment. (Woven Geotextile has been deleted in Section 31 32 32, section 1.01 B 2 and added to a new subsection in Section 31 32 32, section 1.01 A 1 b.)

Question 50: Specification 31 23 25 - The specification for the relocation of the maintenance yard includes gravel surfacing. However, the plans and details do not show any gravel surfacing. Please clarify.

Response 50: Refer to Specifications 31 23 25 - Relocating Existing DWR Maintenance Yard, section 3.02 C. Excavate, grade, and slope for drainage to form maintenance yard surface area.

Gravel surfacing materials not to exceed 6 inches shall be placed within limits of control points as shown on Drawings 805-D-60243.

Question 51: In the RFP Attachment 10 Corporate Experience /Management Control Responsibility Determination, under the Experience paragraph subsection 3) Complex reinforced concrete dam construction with small tolerances. Due to the minimal amount of concrete on this project, please confirm that the BOR is looking for examples of Complex reinforced concrete dam construction with small tolerances.

Response 51: Complex reinforced concrete dam construction with small tolerances experience has been deleted. See revised Attachment 10.

Question 52: In the RFP Subfactor 1C – Experience states to at a minimum provide the experience for Project Manager, Earthwork Superintendent, Professional Mining Engineer, and Safety Professional. Attachment 9 key personnel Responsibility determination states to include Project manager, Blasting Personnel, Earthwork Superintendent, Concrete Structures Superintendent.

Please clarify if the Blasting Consultant and/or Concrete Structures Superintendent are required.

Response 52 : Attachment 9 has been updated to reflect required key personnel listed in Section L.

Question 53: Specification 01 56 34 - Exclusion Fence and 02 01 80, Tule Elk Herd Management.

The specifications reference an onsite Biologist while this work is being performed. Is the Government or Contractor responsible for providing the Biologist?

Response 53: Contractor shall provide Tule Elk Herd Management Biologist

Question 54: Drawings 805-D-60042, 805-D-60043, and 805-D-60073 - These drawings relate to work involved at SW145 Berm. The specifications and scope of work do not mention any work associated with SW145 Berm. Please indicate if the work shown at SW145 Berm is to be included in our proposal.

Response 54: These are informational drawings as this work has already been completed under the Phase I contract. The drawings show finished surface contours to help the contractor plan haul routes to and from SW165.

Question 55: Drawing 805-D-60073 - This drawing reference plan sheet 60074. Please provide this plan sheet as it is not included in the plan set.

Response 55: Drawing 805-D-60073 is to be used as an informational drawing showing how the haul road was to be constructed over the spillway during Phase I construction. Drawing 805-D- 60074 shows additional details that are not relevant for Phase II Contract.

Question 56: Specification 01 56 34, Exclusion Fence - Will exclusion fence need to be removed at the end of Contract 2?

Response 56: No, exclusion fence will not be removed at end of Contract 2.

Question 57: (b) Proposal Volumes L-8 -Information appears to be missing. Text reads: "Offerors shall submit separate Volumes with the required number of"

Response 57: Added language "copies as follows:" and a table showing required info. for each volume.

Question 58: Specification 01 56 34, Exclusion Fence - During the site visit, it appeared there was additional Exclusion Fence installed on the right hand side of the outbound haul road from Basalt Quarry to Basalt Rd. This Exclusion Fence is not indicated on the drawings for Phase II. Will the Phase II contractor be required to replace/maintain this fence during Phase II?

Response 58: Yes, the contractor will be required to replace/maintain this fence during Phase II.

Drawings will be updated to show Exclusion fence on the right-hand side of the outbound haul road from Basalt Quarry to Basalt Road.

Question 59: Drawing 805-D-60211 - Do the original ground contours on sheet 805-D-60211 represent the existing conditions (as of 12/1/2024) of the partially depleted borrow areas? If not can you provide contours showing the actual conditions?

Response 59: The ground contours on sheet 805-D-60211 represent conditions (as of 10/9/2024) of the partially deleted borrow area. There has been no change in conditions between 10/9/2024 and 12/1/2024).

Question 60: Section 01 51 00 Temporary Utilities 1.05 TEMPORARY WATER - During the site visit, two temporary water towers/tanks and temporary water line was still in place from Phase I.

Will these items be left for the Phase II contractor? Or will phase I de-mobilize these items prior to Phase II?

Response 60: No, the temporary water towers/tanks and temporary water line will be de-mobilized prior to NTP of Phase II contract.

Question 61: Section L, Page L-14 states “Provide a list of projects in similar scope and magnitude to the work required under this solicitation which the offeror has completed during the past ten years. Offeror shall furnish a list of no more than four (4) Federal, State, local government or commercial projects. In this same section on Page L – 15 the solicitation states “If the total number of such contracts exceeds (3) three, the Offeror shall address the three most recent contracts that are closest to the solicitation in scope, complexity, and magnitude.” Section J, Attachment 8 states “Offerors shall use this format to provide no more than three (3) contracts performed (past and current projects) within the last ten (10) years.” Please provide clarification if the BOR would like 3 or 4 past projects turned in for this solicitation and should they be completed projects or are current projects also acceptable?

Response 61: Revised Section L as requirement has been updated to four (4) and current projects are acceptable.

Question 62: Drawing 40-D-60002 - Please provide the quantity and location of the guard posts to be installed. Which bid items will the guard posts be paid under?

Response 62: Guard Posts are Not necessary. Drawing is an informational/standard drawing

Question 63: RFP Section J: Experience and Management Control, “b. Provide a visual organization chart that clearly depicts the proposed management team’s job titles.”. Is it permissible to submit the Organization chart on a size 11x17?

Response 63: It is acceptable to submit the visual organization chart on a 11x17.

Question 64: Under specification section 32 10 16, 1.01A 2. The payment is noted as a square yard price. The owner quantity for this item under CLIN 44 is listed as cubic yards. Which unit of payment will apply?

Response 64: CLIN as cubic yards applies. See revised spec section with cubic yards.

Question 65: Spec section 32 12 22 – 2, 2.01 D. mentions the new asphalt pavement to have thickness of 3 inches, with base course thickness of 6 inches. Are we to assume these same thicknesses for the removal of the existing asphalt & base course?

Response 65: - Yes, assume the same thickness.

Question 66: On sheet 805-D-60207, The Wildlife Exclusion Fence is only shown on the North Side of the Quarry Road located near the Basalt Quarry Pond, but on the site walk through it was noticed that there was also Wildlife Exclusion Fence located on the south side of the road. a.

Please clarify if the Wildlife Exclusion Fence is required on the south side of the road for Phase II.

Response 66: Yes, the contractor will be required to replace/maintain this fence during Phase II.

Drawings will be updated to show Exclusion fence on the south side of the road from Basalt Quarry to Basalt Road.

Question 67: On sheet 805-D-60206, The Riprap Stockpile Area is located within 600 Meters of the Basalt Quarry Pond, Would the perimeter within the 600 meters require Wildlife Exclusion Fence?

Response 67: All areas within 600m of aquatic ponds have already been excluded with wildlife exclusion fencing. There are no plans to realign or add more fencing unless the project footprint changes. A Wildlife Exclusion Fencing Plan will be made available to the Contractor upon start.

Question 68: Please provide additional details on the process/timeline for the contractor to get receive approval from the environmental team to be able to disturb any areas within the project boundaries? Are there time limits for the biologist to clear areas prior to disturbance by the contractor.

Response 68: Contractor typically to notify Reclamation so survey can be done 15 days prior to disturbance. May be subject to CDFW LSAA notification requirements if impacting an aquatic feature, which will require at least 60 days notification lead time.

Question 69: Are there currently any known special species of concerns that may impact the start of construction within the project limits?

Response 69: No known special species at this time that will have impacts on start of construction;

preconstruction surveys will confirm.

Question 70: Are there any aquatic features within the contractor use areas that are not allowed to be disturbed?

Response 70: Yes, the 401/404 permit has maps showing which aquatic features are designated for temporary and permanent impact. Any aquatic feature that does not have this designation must be avoided.

Question 71: RFP Section M – Factor 2 Past Performance provides relevancy assessment criteria that states, “the effort must be ongoing or must have been performed during the past six (6) years from the date of issuance of this solicitation.” This is in conflict with RFP Section L which states within the past ten (10) years. Please confirm the reference projects must have been completed in the past ten (10) years.

Answer 71: Past performance refers to CPARS FAR Subpart 42.15, Contractor Performance Information.

Experience is the workmanship and constructability of similar construction activities consistent with the magnitude and scope as listed in this solicitation.

Question 72: RFP Section L, Evaluation Factor 2 – Past Performance Contents requests PPQs for referenced projects. If the referenced projects have an interim or final CPARS, will a PPQ still be required to be submitted to the Contract Specialist?

Answer 72: Offerors are recommended to provide the PPQ as this provides additional information that shows capability and customer satisfaction that can be verified by the government.

Question 73: RFP Section L, Evaluation Factor 3 – Small Business Participation states to report the Small Business participation as a percentage of the total contract value, not as a percentage of the subcontracted contract value. The stated DOI Subcontracting Goal of 42% as a percent of the total contract value is extremely high. Please consider changing the criteria to a % of subcontracted contract value or lower the overall goal.

Answer 73: DOI establishes the small business participation goals and we are unable to change these goals.

Question 74: Specification section 31 23 25 paragraph 1.04.A.4 states, “Other Equipment as directed by COR”. Please specify all the equipment to be moved from the existing DWR Laydown Yard and DWR Maintenance Yard to the New Laydown Yard.

Answer 74: Assume listed equipment and materials in the specifications will be relocated.

Question 75: Attachment 8 (Past Performance Data) does not match the order provided on page L-15.

Answer 75: Added subheading ii) Client or procuring agency to Section L on Page L-15.

B. F. Sisk Dam SOD Modifications, Phase II San Luis Unit, West San Joaquin Division, Central Valley Project, California

Amendment No. 0003 Specifications No. 20-C0940

Removal and Control of Water 31 03 33 - 1

SECTION 31 03 33

REMOVAL AND CONTROL OF WATER

PART 1 GENERAL

1.01 MEASUREMENT AND PAYMENT

A. Unwatering:

1. Payment: Lump sum price offered in the Price Schedule.

a. Lump sum price paid on the basis of equal monthly payments during unwatering.

1) Includes:

a) Labor, power and reserve power, materials, equipment, and other items needed to furnish, install, operate, and maintain an effective unwatering system.

b) Includes sediment basin or other method(s) for removing suspended particles.

c) Route and control any water associated with toe drain flows.

d) Survey for existing toe drain at SW165.

e) Abandoning and removing the unwatering system.

B. Temporary Observation Sumps:

1. Measurement: Number of temporary observation sumps shown on the drawings.

2. Payment: Unit price per sump offered in the Price Schedule.

a. Includes the following:

1) Furnishing and installing the materials required for the sumps:

a) Drain rock.

b) Screen and casing (including stick-up length above ground surface).

2) Labor for excavation, development, and installation of a functional temporary observation sump.

3) Excavation.

4) Removal and abandonment of sumps.

C. Dewatering Sumps:

1. Measurement: Number of dewatering sumps shown on the drawings.

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2. Payment: Unit price per sump offered in the Price Schedule.

a. Includes the following:

1) Furnishing and installing the materials required for the dewatering sumps:

a) Drain rock.

b) Screen and casing (including stick-up length above ground surface).

c) Pump and motor.

d) Manifold piping.

2) Labor for excavation, development, and installation of a functional dewatering sump.

3) Excavation.

4) Removal and abandonment of dewatering sumps.

D. Supplementary Dewatering Sumps Materials:

1. Measurement: Number of supplementary dewatering sumps required.

2. Payment: Unit price per sump offered in the Price Schedule.

a. Includes the following:

1) Furnishing and installing the materials required for the supplementary dewatering sump:

a) Drain rock.

b) Screen and casing (including stick-up length above ground surface).

c) Pump and motor.

d) Manifold piping, if required.

E. Supplementary Dewatering Sumps Installation/Removal:

1. Measurement: Number of supplementary dewatering sumps required.

2. Payment: Unit price per sump offered in the Price Schedule.

a. Includes the following:

1) Labor for mobilization, excavation, development, and installation.

2) Excavation.

3) Removal and abandonment of supplemental dewatering sumps.

F. Dewatering Sump Operation:

1. Payment: Lump sum price offered in the Price Schedule.

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Removal and Control of Water 31 03 33 - 3

a. Paid on the basis of equal monthly payments during operation of the dewatering system.

b. Includes the following:

1) Labor, power and reserve power, electrical system, and other equipment required to operate and maintain the dewatering sumps.

2) Labor, power and reserve power, electrical system (as needed), and other equipment required to operate and maintain the supplementary dewatering sumps.

3) Reserve pumps for dewatering sumps.

4) Selection, design, installation, and removal of dewatering sumps discharge and collection system(s); includes supplementary systems if used.

1.02 REFERENCE STANDARDS

A. American Association of State Highway Transportation Officials (AASHTO)

1. AASHTO M294 Standard Specification for Corrugated Polyethylene Pipe 300- to 1500-mm (12- to 60-in) Diameter

B. ASTM International (ASTM)

1. ASTM D2487-17 Classification of Soils for Engineering Purposes (Unified Soil Classification System)

2. ASTM D4050-14 Withdrawal and Injection Well Testing for Determining Hydraulic Properties for Aquifer Systems

3. ASTM D5521/D5521M-18 Standard Guide for Development of Groundwater Monitoring Wells in Granular Aquifers

4. ASTM F714-21a Polyethylene (PE) Plastic Pipe (DR-PR) Based on Outside Diameter

5. ASTM F2306/F2306M-20 Standard Specification for 12 to 60 in. Annular Corrugated Profile-Wall Polyethylene (PE) Pipe and Fittings for Gravity-Flow Storm Sewer and Subsurface Drainage Applications

1.03 DEFINITIONS

A. Abandon: To grout a sump to prevent movement of surface water into aquifers penetrated by the sump and to prevent movement of water through the sump between aquifers.

B. Development: The act of vigorously moving water in and out of the screen of a pipe to accomplish the following:

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Removal and Control of Water 31 03 33 - 4

1. Compact/settle the material immediately adjacent to the sump screen.

2. Remove finer particles immediately around the slots (whether naturally occurring or induced via drilling).

3. Create a “filter cake” that is more pervious than the surrounding aquifer but does not allow a significant number of particles to pass through to the slots.

C. Dewatering: Removal and control of groundwater from pores or other open spaces in soil or rock formations to allow construction activities to proceed, as intended. This includes relief of groundwater pressure and discharge of effluent water.

D. Dewatering System: A system comprised of dewatering sumps with submersible pumps installed within large diameter pipes typically installed via excavation.

E. Primary: Power, equipment, and materials in use by the dewatering/unwatering systems.

F. Reserve: Power, equipment, and materials kept onsite, unused, but ready for use if primary or supplementary operating components of the dewatering or unwatering system fail.

G. Run time: This time period shall begin with Government acceptance of the completed dewatering system (entire original designed system) and shall be complete once the Contractor has received written approval to begin excavation.

1. If required, the run time will reset after the installation of supplementary dewatering systems or other method(s), as directed by COR.

H. Surging: To make the water level in the pipe rapidly rise and fall. This can be the result of development techniques, with the water level reaching the pump intake, or some other mechanism.

I. Unwatering: Control and removal of ponded, seeping, or flowing surface water, emerging subsurface water from excavated surfaces, and from precipitation within and adjacent to excavations and construction zones using channels, ditches, gravel drains, gravel blankets, pipes, sumps, pumps, and discharge lines. This includes the control and discharge of effluent water and the toe drain discharge.

J. Unwatering System: Contractor submitted unwatering system may consist of, but is not limited to, the following: sumps, gravel blankets/drain, ditches, trash pumps, and/or drainage trenches.

1.04 GOVERNMENT RESPONSIBILITY

A. The Government has designed the dewatering sumps for the excavation area associated with SW165 in accordance with assumptions detailed in Section 53 10 00 – Geotechnical Baseline Conditions.

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B. The Government will provide written notification to the Contractor once the run time has been completed; the COR may provide written direction to the Contractor to begin excavation prior to the completion of the run time. The Government will evaluate the functionality of the completed and operating dewatering system(s) to determine if supplementary systems (or other methods) are needed. Use of supplementary systems, and other changes in the dewatering system to achieve adequate performance, shall be directed by the COR.

1. The duration of the run time is 24 days.

2. The run time must occur immediately prior to excavation.

3. The Contractor must notify the government prior to run time commencing.

4. The dewatering system shall operate for a minimum of 24 days continuously prior to excavation, unless otherwise approved by the COR.

C. The Government reserves the right to evaluate the effectiveness of the dewatering and unwatering systems at any time. If the COR determines that water in the excavation is impacting the construction, the COR will request changes to the unwatering system in writing. The COR may halt construction if water in the excavation continues to impact construction.

1.05 CONTRACTOR RESPONSIBILITY

A. For all unwatering aspects of the project, refer to Section 53 10 00 – Geotechnical Baseline Conditions for more information. The Contractor unwatering system shall control and remove water due to the following:

1. Seepage water entering the shear key excavation not intercepted by the dewatering system(s).

2. Surface runoff caused by possible seepage down the dam face and abutments.

3. Surface runoff caused by precipitation.

B. Route and control any water associated with the toe drain flows in accordance with approved submittal.

1. Toe drain flows must be routed via piping or otherwise controlled. Toe drain flows are not to spill down the excavated slope to be pumped out by the unwatering system.

2. Anticipated toe drain flows are outlined in Section 53 10 00 – Geotechnical Baseline Conditions.

C. Survey the location of the existing toe drain at SW165. Submit survey in accordance with Unwatering Plan. Ensure that dewatering and unwatering system(s) do not intercept existing toe drain at SW165 or NVS.

D. Furnish and install Government designed dewatering systems according to the requirements of these specifications.

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E. Material for the dewatering sumps, temporary observation sumps, and supplemental systems shall be onsite before installation begins.

F. Provide power for operation of dewatering and unwatering systems on a 24-hour, 7-days a week timeframe during construction at SW165, NVS, and…