Questions and Answers Humboldt Jetty Repair 3-10-2020.pdf

HUMBOLDT JETTY REPAIR PROJECT,

HUMBOLDT COUNTY, CALIFORNIA

AS OF: 10 March 2020 Page 1 of 17

QUESTIONS & RESPONSES

SOLICITATION NUMBER W912P720B0002

The intent of this section is to provide questions & comments received from interested parties on the above solicitation, and our responses to those questions and comments. It is possible that the information below does not reflect 100% of the questions and responses. The questions and comments do not necessarily represent questions received from any particular contractor.

Questions and responses are provided for information only and are not made part of the solicitation. Only a formal amendment (SF30) to the solicitation changes the solicitation.

Changes to any previous responses in this document will be struck-through and new, updated responses will be provided as appropriate.

No. IFB Section Question Response

Section 01 22 00

Paragraph 1.3.3.1

This is not a question, just a lead into the questions below 2, 3, 4, 5, and 6.

The Pricing Schedule shows 21,000 Tons of Armor Stone in the Base Bid.

Section 01 22 00 Paragraph 1.3.3.1 states that payments will be made for furnishing and placing the import stone.

Note 14 on Plan sheet C-501 indicates there is existing stone to reset.

Notes at the bottom of the Repair Summary Table on Sheet C-501 indicate Reset stone quantities.

Reference responses in number 2 through 6.

2 Drawing C-501 Where the note at the bottom of Summary Table indicates 964, is this lineal feet? And if so of which Type Repair #? We can’t quantify the tonnage.

See amendment 0002 sheet C-501.

3 Drawings C-501 Is the 964 quantity included in the table above it?

See amendment 0002 sheet C-501.

4 Section 35 31 26 How far from final locations are stones to be reset?

See Section 35 31 26, paragraph 3.5.3 and sheet G-002 note 5.

5 Section 35 31 26 Are currently stockpiled stones at the South Jetty root area reset stones?

Reference Section 35 31 26, paragraph 3.5.4.

AS OF: 09 March 2020 Page 2 of 17

QUESTIONS & RESPONSES

SOLICITATION NUMBER W912P720B0002

6 Section 01 22 00

Currently setting reset stones are paid as part of the Lump Sum Jetty Repair and setting the new stones are part of the unit price for new stones. Can the Government add a unit price for resetting stones? And separate unit prices for furnishing and installing new stones?

Specifications remain unchanged.

Please consider extending the bid date 2

– 3 weeks. The additional time will allow sufficient opportunity to properly source material and delivery pricing and analyze the less defined work in the bid documents.

Furthermore, we kindly request that the bid date be scheduled for an afternoon on a Tuesday – Friday. A Monday morning bid is extremely difficult for bidders. Many subcontractors and suppliers will wait until bid day to submit pricing, thus making it extremely difficult to properly analyze their pricing, update our own bid, and get it turned in on time.

See amendment 0002.

Drawing C-505 & Section 03 31

Please confirm at each concrete cap repair location that the full width of the concrete cap from “STA BEG” to “STA END”, as shown in the repair table summaries on drawing C-501, shall be saw cut around its’ entire perimeter and removed, and no existing concrete, regardless of condition, shall remain within these extents.

See sheet C-505, note 3 and Section 03 31 30, paragraph 3.1.

AS OF: 09 March 2020 Page 3 of 17

QUESTIONS & RESPONSES

SOLICITATION NUMBER W912P720B0002

Note 14 on drawing C- 501.

Please either provide bid quantities or additional information that allows bidders to calculate accurate and reliable quantities at each concrete cap, small void, and parapet wall repair location as follows:

A. Concrete demo / removal quantity, including rock embedded in concrete that must be disposed of per note 14 on drawing C-501.

B. Bedding stone

C. New concrete

See sheet C-101 through C-111and C-504.

See amendment 0002 Section 03 31 30 paragraph 1.2 item L and M, sheets G-005, C- 501 note 17, C-502, C-503, and C-505.

10 Drawing G-005

Please provide a quantity of how much bedding stone is available for re-use and how much new bedding stone must be imported for the small void, concrete cap, and parapet wall (if applicable) repairs.

See sheets G-005, note 1.

11 Section 03 31 30

Is there any joint preparation or cleaning required at the small void repairs, whether the new concrete is placed against existing concrete, railroad ties, or stone?

See Amendment 0002, Section 03 31 30 paragraph 1.1, 1.3, and 3.2.

12 Section 03 31 30

Is there any joint preparation or cleaning required at the concrete cap repair locations beyond the required sawcut, such as where new concrete is placed against existing concrete or stone?

See Amendment 0002, Section 03 31 30 paragraph 1.1, 1.3, and 3.2.

AS OF: 09 March 2020 Page 4 of 17

QUESTIONS & RESPONSES

SOLICITATION NUMBER W912P720B0002

13 Drawing C-501

Drawing C-501 shows quantities of

“ARMOR STONE RESET QUANTITY”

at the bottom of the repair summary tables for the North, South Group 1, and South Group 2 jetties as 964, 641, and 727, respectively. Please clarify the unit of these quantities.

Reference amendment 0002 sheet C-501.

Note 10 on drawing C-501

Note 10 on drawing C-501 states that chinking stone must be placed above 0 MLLW. Please clarify which payment item the chinking stone is included in and how payment will be made for all work associated.

See amendment 0002 Section 01 22 00 paragraph 1.3.1.1, 1.3.2.1, and 1.3.3.1.

Spec 35 31 26 – 3.5.3

Per spec 35 31 26 – 3.5.3 Reset Existing Stone, “A stone that breaks or splits or shatters during handling is considered a rejected stone and is to be removed from the site at the Contractor’s expense.” Please confirm that impacts including costs to dispose of and replace any existing stone to be reset that has pre-existing damage, thus causing it to break or split or shatter during handling, at no fault of the Contractor’s, will be the USACE’s responsibility.

See Section 35 31 26 paragraph 3.5.3.

16 Section 35 31 26 The specs dismiss gradation/ quality acceptance requirements from onsite stockpiled materials. Does this extend to all material onsite allowed for re-use such original material displaced from its’ original position in the jetty?

See amendment 0002, Section 35 31 26 paragraph 3.5.3.

AS OF: 09 March 2020 Page 5 of 17

QUESTIONS & RESPONSES

SOLICITATION NUMBER W912P720B0002

17 Section 35 31 26 Will displaced portions of existing parapet wall be allowed as use for A18 Armor stone?

Section 35 31 26, paragraph 3.5.1

Spec 01 11 00 - 1.4.d

Spec 01 11 00 - 1.4.d states “Restore streets, sidewalks, parking lots, and haul roads and areas (used for haul routes and mobilizing equipment) and work areas to pre-project condition upon completion of the work. Restore to the local municipality standards.” The Existing conditions on much of the haul routes do not currently adhere to local municipality standards, therefore this spec appears to be in conflict. Please clarify.

See amendment 0002 section 01 11 00 paragraph 1.4D.

Sheet C-501 note 14 14

Sheet C-501 note 14 14. “STONE

USED AS BEDDING STONE

MUST MEET THE SPECIFIED

DIMENSIONS.” The contract documents do not appear to contain gradation/ quality characteristic requirements for the bedding stone.

Please provide.

See amendment 0002 sheet C-501 note 14.

Section 01 22 00

Items of work for concrete removal, bedding stone, new concrete cap and new concrete parapet are currently measured and paid for as a lump sum on each jetty.

The quantities for these items are not quantifiable as the plans show varying widths. Additionally, the sizes of voids are not shown. In the best interests of both the ACOE and the Contractor, we request that separate bid items with unit prices be made for these items.

See sheets C-101 through C-111 and C-504.

See amendment 0002 Section 03 31 30 paragraph 1.2 item L and M, sheets G-005, C- 501 note 17, C-502, C-503, and C-505.

AS OF: 09 March 2020 Page 6 of 17

QUESTIONS & RESPONSES

SOLICITATION NUMBER W912P720B0002

Please confirm that the priority of award for the Optional items will be Option 2 (Group 1), 0005 and 0006 First, as it will need to be constructed to gain access to Option items 1 (Group 2).

See amendment 0002, 52.217-5 and 52.211-10.

The quarries listed in the specifications are concerned with being able to produce the amount of armor stone for the North Jetty in 2020 under the current time frame.

See amendment 0002, pricing schedule and 52.211-10.

Section 01 57 19

The specifications require the Contractor furnished Biologist to monitor the Snowy Plover 2 times per week or continuously if one is found. Will a modification be written to cover this cost if one is found?

See Section 01 57 19, paragraph 1.6, item e.

24 Section 01 57 19, page 14 k

Section 01 57 19, page 14 k. states, “Construction on the South Jetty road is not allowed at the same time that project-related marine vessels (eg. Barges, Tugs, etc.) are within 3 miles of the project area (reference 32-11 23 asphalt concrete).

Please verify this is really ACOE intent and why, as it will impact the production of the project.

See amendment 0002, Section 32 11 23 paragraph 1.4.

AS OF: 09 March 2020 Page 7 of 17

QUESTIONS & RESPONSES

SOLICITATION NUMBER W912P720B0002

Section 32 11 23, Page 3, Part 3.1

Section 32 11 23, Page 3, Part 3.1 states “Repair the existing South Jetty Road to ensure access to contractor equipment and pedestrian vehicles during all construction activities associated with the South Jetty.

Resurface/regrade all ruts/depressions/potholes/irregularities smooth to the existing grade of the road as directed by the Contracting Officer. New aggregate base is not required as long at the existing grade of the road is maintained during all construction activities. New asphalt concrete will be paid in accordance with Section 01 22 00

PRICE AND PAYMENT

PROCEDURES paragraph SOUTH JETTY, GROUP 2.” Please provide an estimated quantity or make a unit price item for this work as it is currently not quantifiable on the plans.

See Amendment 0002 sheet G-003 note 6.

Section 35 31 26, Page 4, part 1.3

The typical sections of the plans for both channel and seaward slope repairs depict the new armor stone protruding past the neat line from 0 to 10 feet. Section 35 31 26, Page 4, part 1.3 only allows a neat line tolerance of 12 inches. Please change the neat line specification to reflect the plans and the size of the stone 10 to 12 feet each.

Specification remains unchanged.

AS OF: 09 March 2020 Page 8 of 17

QUESTIONS & RESPONSES

SOLICITATION NUMBER W912P720B0002

Section 35 31 26, Page 8, part

2.1.3.3 (5) c.

Section 01 45

00.00 10

QUALITY

CONTROL

Section 35 31 26, Page 8, part 2.1.3.3 (5) c., states “Perform daily stone quality inspections during stone production and submit the Stone QC Inspection report signed by an authorized CQC Personnel as specified in Section 01 45 00.00 10 QUALITY CONTROL. Include visual examination for cracks, fractures, seams and defects during the daily stone quality inspections. If, by visual examination, it is determined that 1 percent or more of the stone produced contains hairline cracks, then all stone produced by the means and measures which caused the fractures must be rejected.” Please confirm that you will require a CQC person at the quarry and CQC person onsite.

See Section 01 45 00.00 10 paragraph 3.2.1 item c.

Section 35 31 26, page 16, part

3.5.3 – Reset Existing Stone

Section 35 31 26, page 16, part 3.5.3 – Reset Existing Stone states, “A stone that breaks or splits or shatters during handling is considered a rejected stone and is to be removed from the site at the Contractor's expense.” Please provide a unit price pay item for existing stone that does not meet the specification requirements and has to be removed and disposed of by the Contractor as there is no way to quantify this.

30 Section 35 31 26

Is there a gradation scale that can be used for sizing rock? For instance, can a 14ton stone that weighs 176lbs per cubic foot be substituted for a 18ton stone that is 165lbs per cubic foot? These stones are more readily available and would come at a cost savings.

paragraph 2.1.6.5.

AS OF: 09 March 2020 Page 9 of 17

QUESTIONS & RESPONSES

SOLICITATION NUMBER W912P720B0002

Sheets C-101 through C-111

Plan Sheet C-

Please confirm Bid Item No 001 estimate of 21,000 tons for the North Jetty Quantities. Also, if available, please provide 1-foot contours for the jetty repair areas (sheets C-101 through C-111).

Currently, 5-foot contours are provided which are insufficient to generate an adequate model for quantity takeoff.

If this is not possible please provide material quantities in the Jetty – Repair Summary Tables on plan sheet C-501.”

Drawings remain unchanged.

32 Section 01 11 00

1.4 (b-e)

Specifications: Section 01 11 00 1.4 (b-e)

– States restoration of the site including structures to pre-work conditions to equal or better. The specification language transfers considerable pricing risk on the contractor without any information on the structural integrity of the existing concrete jetty cap. There is no way assess the structural capacity of the cap. The industry standard equipment needed to perform the scope of this project requires heavy loads which are high enough to damage the existing cap. We suggest the USACE make the concrete cap repair a unit price bid item, this way the USACE only pays for the damage if and where it occurred.

33 Please extend the bid date 1 week. See amendment 0002.

34 What is the anticipated NTP date? See amendment 0002.

35 Is Bedding Stone considered incidental work?

Section 35 31 26, paragraph 3.5.4.

36 Is there a gradation (spec) for Bedding Stone?

Section 35 31 26, paragraph 3.5.4.

AS OF: 09 March 2020 Page 10 of 17

QUESTIONS & RESPONSES

SOLICITATION NUMBER W912P720B0002

37 What is the thickness of the new Concrete Cap?

See amendment 0002 sheets C-501 note 17 and C-502.

If the existing stockpiles of Bedding Stone are not enough, is it the Contractors responsibility to provide the remaining? If so how is it measured and paid for?

See Section 35 31 26, paragraph 3.5.4

39 What is the frequency for performing gradations on the Quarry Stone?

See Section 35 31 26, paragraph 2.1.6.2 and 2.1.6.3.

40 Can a detail be provided for the Small Void Repairs?

Drawings remain unchanged.

41 Are Small Void Repairs to be completely filled with concrete?

See amendment 0002, sheets C-501 note 17, C- 502 and C-503.

Without dimensions there is no way to quantify the concrete volume for Small Void Repairs. Can dimensions be provided?

See amendment 0002, Section 03 31 30 paragraph 1.2 item L and sheet C-501 note 17.

43 Do Small Void Repairs have rebar? If so, please provide details.

See sheet C-505 detail A9.

44 Section 35 31 26

- 3.5.3

Refer to section 35 31 26 - 3.5.3 Reset Existing Stone. If "Existing Stone" is defined as 5 - 25 Tons and stone smaller than 5 Tons is considered incidental, how does the "Existing Stone" 5- 25 Tons get measured and paid for?

Section 01 22 00, paragraph 1.2.

45 Section 35 31 26

- 3.10

Section 35 31 26 - 3.10 states Contractor to provide boat access to/from construction site, is this requirement necessary since both sites can be accessed by vehicle?

paragraph 3.10.

Sheet C-501 – C-504

Typical Cross Sections on sheets C-501 - C-504 say Not to Scale, but show vertical and horizontal scales. Please clarify.

Drawing sheets remain unchanged.

AS OF: 09 March 2020 Page 11 of 17

QUESTIONS & RESPONSES

SOLICITATION NUMBER W912P720B0002

47 Sheet C-501

The 3 notes that discuss Armor Stone Reset Quantity at the bottom of the Repair Summary Tables on sheet C-501 state quantities, but no units. Are the quantities in Tons?

See amendment 0002 sheet C-501.

48 Sheet C-501 How are the Armor Stone Reset Quantities on sheet C-501 measured and paid for?

Section 01 22 00 paragraph 1.2.

49 Sheet C-501

Are the Reset Armor Stone quantities shown on sheet C-501 to be intended for the work associated with Note #10 on sheet C-501?

See sheet C-501.

50 Drawing G-004 Can the existing paved road that is within the Staging Area limits at the North Jetty be closed to public during construction?

See amendment 0002, sheet G-004.

51 Sheet C-501

There are multiple locations in plans where the plan view and cross sections do not match, example is Station 68+50 at the South Jetty. The cross section for Sta 68+50 shows work on the Seaward Side slope and parapet wall, but the plan view and Repair Summary Table on Sheet C- 501 do not. Does the Repair Summary Table on Sheet C-501 supersede?

See sheet C-109, C-305, and C-501.

52 C-501

The cross sections show final design grades for the entire slope length from Jetty Crest (EL. 10+/-) to Jetty Toe (EL. - 20+/-). The plan view shows the repair areas on average about 20' - 25' horizontal from Jetty Crest which indicates the repair area is only the upper portion of the slope, not entire slope length. Please clarify.

Reference sheet C-501 (note 10), C-502, C-503, and C-504.

53 Section 01 22 00

- 1.3.1.2

Section 01 22 00 - 1.3.1.2 states "quarry weights will not be accepted." Are onsite scales required?

See Section 01 22 00 paragraph 1.3.1.2 item b.

AS OF: 09 March 2020 Page 12 of 17

QUESTIONS & RESPONSES

SOLICITATION NUMBER W912P720B0002

In the part 2.1.6.5 Gradation of A-18 armor stone-- usually the weight of each stone is a range of weight- is your chart specifically for the weights of 8, 12, 16 and so on through 20 tons, or is it a range of 8-12, 12-16, 16-18...as shown in

2.1.3.6 c?

With a design weight of 18 ton (2.1.6.1), this makes the rock in the sizes of 8-18 tons have a 10 ton range of size. That leaves the remaining 50% of rock needed in the 18-20 ton size to only have a 2 ton rock size range.

Since a crane with a lifting capacity of 25ton is required for this project, we would suggest that the gradation sizing be adjusted to 25 ton rock. This would give us a larger range of size to work with of 7 tons instead of 2 tons. Two tons is an extremely limiting size range to meet and will cause the price of the rock to be prohibitively higher.

See amendment 0002 Section 35 31 26, paragraph 2.1.3.6 and 2.1.6.5.

Is all the concrete work at the South Jetty in Option 1, (group 2)?

See Section 01 22 00, paragraph 1.2.2, sheet C- 501 south jetty repair summary table and note 15.

Can Option 2 be awarded without Option 1?

There are considerable mobilization costs to consider.

See 52.217-5 and 52.211-10.

AS OF: 09 March 2020 Page 13 of 17

QUESTIONS & RESPONSES

SOLICITATION NUMBER W912P720B0002

The Line 11 of the Solicitation shows 198 calendar days to complete the work. If we start work in mid-April 2020, work will need to be completed by the end of October 2020. The Note 4 on the Pricing Schedule indicates that Options 1 and 2 will be awarded no later than Sept 25, 2020, not enough time to even procure material before the end of October 2020.

Paragraph 2.3.3 of the Environmental Assessment states that the North Jetty Repair will occur between March and October 2020. Paragraph 2.3.4 states that the South Jetty Repair will occur between March and October of 2021.

See amendment 0002, FAR 52.211-10

What the schedule would be for producing and delivering stone protection to the Humboldt Jetty Repair project?

See amendment 0002, FAR 52.211-10

AS OF: 09 March 2020 Page 14 of 17

QUESTIONS & RESPONSES

SOLICITATION NUMBER W912P720B0002

Per Section 35 31 26 parts 2161.b and 2.1.6.5: with a design weight of 18 ton, 50% of the rock needed is in the sizes of 8-18 tons, which allows a 10 ton range of size. That leaves the remaining 50% of rock needed, in the 18-20 ton size, to only have a 2 ton rock size range.

Two tons is an extremely limiting size range to meet and will cause the price of the rock to be prohibitively higher, especially when coupled with the proportional dimension characteristics as required in part 2.1.6.2.d.

Since a crane with a lifting capacity of 25ton is required for this project, we wonder if the gradation sizing be adjusted up to 25 ton rock. This would make the above-design weight range from 18-25 ton, and give a working range of 7 tons instead of 2 tons.

This greatly improves producing rocks within the spec range with less mining effort and allows a better price to contractors bidding the project.

Is it possible for this change to be made?

Can you respond to this question on beta.sam.gov?

See amendment 0002 Section 35 31 26, paragraph 2.1.6.5.

Can the Corp please identify the relevant spec section or provide a gradation table for the A-18 armor stone to be sourced.

Quarry sources are requesting more information than what we have been able to provide with existing spec sections to ensure compliant rock can be provided.

See Section 35 31 26, paragraph 2.1.6.5.

AS OF: 09 March 2020 Page 15 of 17

QUESTIONS & RESPONSES

SOLICITATION NUMBER W912P720B0002

Can you provide the lbs per CY of metal fiber in the concrete mix?

See amendment 0002, sheet C-505 note 5.

What is the dosage rate per cubic yard for the fiber reinforcing prescribed for the concrete repairs?

See amendment 0002, sheet C-505 note 5.

63 Section 03 31 30 Would a synthetic or glass fiber reinforcement product be accepted in lieu of steel fiber?

See 03 31 30 paragraph 2.8.1.

SECTION 01 57 19 Page 14 states: “k.

Construction on the South Jetty Road is not allowed at the same time that project-related marine vessels (e.g. barges, tugs, etc) are within 3 miles of the project area (Reference 32 11 23 ASPHALT CONCRETE)” – Can the Corps please clarify this statement in terms of why these two activities cause a conflict? The same language is found in 32 11 23 1.4.

See amendment 0002, Section 32 11 23 paragraph 1.4.

Please confirm that spray curing compound alone is an acceptable and complete curing method for the concrete repairs.

See section 03 31 30 paragraphs 2.9.1 through 2.9.1.3.

Please confirm the only steel reinforcement bar is where a new parapet wall is built on an existing concrete slab in order to dowel the two structures together as shown in detail A-9.

See sheet C-505, detail A9 and note 4.

03 31 30 3.1- please confirm that a “small void concrete repair” is only those designated as “repair 7” on the repair table.

See sheet C-502 (typical small void repair 7) and C-503 (typical small void repair 7).

AS OF: 09 March 2020 Page 16 of 17

QUESTIONS & RESPONSES

SOLICITATION NUMBER W912P720B0002

For cap repairs and small void repairs, can the Corps provide a typical repair size or dimensions for bidders to use in the preparation of bids? The provided table and plan gives locations of repairs but lacks three-dimensional information. Is the bidder intended to scale from the cross sections to obtain these dimensions?

See amendment 0002, sheet C-501 note 17 and Section 03 31 30 paragraph 1.2 item L.

Section 32 11 23 describes repairs to the South Jetty Road. The road condition prior to bid time includes significant potholing that will impede or slow haul traffic.

a. Please define the limits of the South Jetty Road, for the purposes of defining the limits of responsibility under this section.

b. Is it the Corps intent to have the contractor perform repairs prior to the work on the south jetty, after the work, or both prior and after the work?

c. Can the corps provide any figures in terms of quantity of repairs along this road that will be required prior to construction?

d. Should the contractor just plan on repaving the entire south jetty road? If so, to what limits?

A. See Amendment 0002, sheet G-003 note 6.

B. See Section 32 11 23 paragraph 3.1.

C. See Amendment 0002, sheet G-003 note 6.

D. See Amendment 0002, sheet G-003 note 6.

AS OF: 09 March 2020 Page 17 of 17

QUESTIONS & RESPONSES

SOLICITATION NUMBER W912P720B0002

There are existing brass survey discs set in the concrete on top of the jetty about every 200’. Some are readable, some are not. They are date stamped 1989. They don’t appear to show on the plans.

Our surveyor is asking if these need to be reset and if so where?

See Amendment 0002, Section 01 11 00 Section

1.4 item e and sheet G-002 note 6.