QnA 11.29.24.pdf

Questions and Answers during Advertisement for CO FLAP LAR 10(1) Horsetooth Res and Carter Lake

November 6, 2024

Questions Answers 1 Is there a bidders list on Sam.gov for this project? There is an interested vendors tab on SAM.gov. You have to be signed in and have tied your entity to your registration when you signed up. If both of those things don’t happen the interested vendors list tab won’t be visible.

We don’t maintain a separate plan holders list. You can call the federal service desk if you need further assistance. The number is1‐866‐ 606‐7828.

2 Past performance requirement (9.a.) “list up to five of the largest jobs you have completed in the last five years which are similar in project work scope to this project.”

a. Is the General Contractor able to submit sub-contractors jobs for past performance requirement?

b. Can the General Contractor submit projects that took place over the “five years” stated in the requirement?

The information provided is used to determine the prime contractor responsible in accordance with FAR Subpart 9.1. Please list contracts completed as prime contractor. Sheet B-5 is for active contracts in force.

Sheet B-6 is for contracts completed sometime in the last 5 years that are similar in project work and scope to this project.

3 In regards to this project, will there be any type of pre-bid meeting or site walk?

Refer to FAR Provision 52.236-27 Site Visit (Construction). No organized site visit will be held.

4 Would it be possible to receive the bid form in a .xls file format to key in more efficiently?

Yes, it will be posted on sam.gov

November 22, 2024

5 Please confirm no work can occur at all on Thursdays (Memorial to Labor Day) at Eagle Campground, North Pines, South Bay, & Inlet Bay?

No work can occur Thursdays through Sundays (Memorial Day to Labor Day), see SCR 156.07(o).

6 Section 156.07(q) states no earthmoving activities at Inlet Bay may be completed between May 1 & August 31 per 107.10(e)(1).

Section 107.10(e)(1) also states no culvert work, curb & gutter work, or asphalt paving may be completed during this timeframe.

SCR 107.10(e)(1) includes a list of all of the activities that are restricted, which includes the earth moving activities mentioned in 156.07(q).

Please confirm that 107.10(e)(1) over-rides what is outlined in 156.07(q)?

7 At Inlet Bay please clarify access requirements for the Main Building & Restroom. Are these to remain open at all times?

Maintain access to the main building and restroom in April and September.

See amendment A002, SCR Subsection 156.07(v).

8 Section 156.07(m) states only ¼ of South Bay parking lot can be closed at one time between Memorial Day and Labor Day. Is that requirement the aggregate of all parking spaces between Parking Lot A & B or can only ¼ of each parking lot separately be closed?

Only ¼ of each (A and B) parking lot can be closed for construction at a time from Memorial Day to Labor Day. The other ¾ of each parking lot will be open to public traffic. See Amendment A002, SCR Subsection 156.07(m).

9 Site Plan drawings for all locations do not show the existing contours in the work areas, this is vital information for determining excavation work. The existing contours stop at their tie-in point of roughly the disturbed area limits. Please re-issue all site plan drawings to show both the existing and proposed contour lines within the work areas.

XML files will be provided via secure large file transfer system. Please send a separate email request to CFLContracts@dot.gov

10 Will the gov’t consider releasing the AutoCAD drawings to aid in earthwork take-off?

CADD drawings will not be released during solicitation.

11 Is there information regarding the average lake water surface elevations per month for both Carter & Horsetooth?

The ordinary high-water mark (OHWM) elevations are 5430 at Horsetooth Reservoir and 5759 at Carter Lake Reservoir. Additional information regarding average lake water surface information is not available.

12 Can you please confirm that while no work can occur between Thursday and Sunday between Memorial Day & Labor Day at Eagle Campground & North Pines this does not mean that areas cannot be closed but simply that no work can be ongoing.

Public access will need to be maintained Thursday through Sunday Memorial Day to Labor Day. Parking lots can be closed Monday through Wednesday Memorial Day to Labor Day. See Amendment A002, SCR Subsection 156.07(o).

13 Are there hydrants near the work area that are permitted to be used for construction water? If no can the contractor obtain water from lake/reservoir for earthwork & dust control?

The location of existing fire hydrants is unknown. The contractor is responsible for determining a water source. Obtaining water from the reservoirs (which are Waters of the U.S.) is not allowed unless applicable permits are obtained which includes a permit from the U.S. Army Corps of Engineers.

mailto:CFLContracts@dot.gov

14 Are there any restrictions in regards to work on County Road 38E in terms of Traffic Control requirements, permits, or season the work can occur?

Larimer County Right of Way permit is required according to SCR Subsection 107.01. Construction delays according to SCR Subsection 156.07(i). Maintain temporary traffic control according to standard detail 635-6 (plan sheet T66). Maintain two-way traffic during construction. See Amendment A002, SCR Subsection 156.07(u).

15 Has FHWA completed any Migratory Bird and Raptor surveys in the area? Are there any known Raptor nests within 0.5 miles of any of the work areas?

Migratory bird/raptor surveys were performed during the biological field surveys. No raptors or their nests were observed in the study area or within a 0.5-mile radius of the study area; however, there are large trees throughout the study area and surrounding areas that could provide suitable habitat for nesting raptors. See SCR Subsection 107.10(e)(2) for requirements.

16 There is an extremely large amount of area on all the project sites and doing conventional blue-tops (grade-finishing staking per 152.05(f)) will be very expensive. Would FHWA consider allowing AMG be utilized on this project per 152.05(f)(1)? Per the Project Specials this section has been deleted.

No, AMG will not be allowed.

17 Per Special Conditions Section 634.03 “Apply glass beads to parking lot markings at the direction of the CO.” Will glass beads be required for parking lot markings?

Glass beads are required on the roadway striping but not the parking lots.

See Amendment A002, SCR Subsection 634.03.

18 Please confirm Full Depth Reclamation quantity found on the bid form. Unable to locate 23,400 SY, only able to locate 4,639 SY on drawings C67 & C68. Are there other sections of FDR that are not shown or marked as Asphalt Pavement, Type I?

The quantity includes the roadway (plan sheets C67 and C68) and South Bay Parking Lot A (plan sheets C71 and C72). See South Bay Parking Lot A typical section on plan sheet A14 and Option X - Surfacing Summary on plan sheet B10. Quantity confirmed as correct.

19 Can you please confirm scope on Vault Toilet Site Prep for Quarry? Is the contractor to do all excavation and backfill of the vault and then Larimer County will install the Vault and after backfill install the building?

Correct. Refer to SCR Subsection 646 where the contractor is required to excavate and backfill. Vault and building will be installed by Larimer County according to SCR Subsection 713.23.

20 I am writing to confirm that this project is indeed a Small Business Set Aside and quotes will only be received from businesses with the Small Business Set Aside designation.

Yes, it is a Small Business Set-side. Refer to sheet A-ii of the solicitation for small business size determination:

Representations and Certifications – This solicitation is issued under NAICS 237310 – Highway, Street & Bridge Construction with a small business size standard of $45 million. If your average annual gross receipts for the past 5 years are above $45 million, you are a large business for this solicitation. If they are below $45 million you are a small business.

Before submitting bids, you must ensure you have completed your annual representations and certifications electronically at the SAM website at www.sam.gov. Include NAICS 237310 in your SAM profile.

21 Will the project allow recycled asphalt pavement (RAP) in the asphalt concrete pavement (Type I)?

o If so what percentage and do we follow the requirements of the FHWA standard specifications?

See Subsection 403.02. RAP is allowed if it is included in a state department of transportation Job Mix Formula (JMF) approved within the past 12 months.

RAP is allowed at the percentage included in a state department of transportation Job Mix Formula (JMF) approved within the past 12 months.

Regarding the question to follow the FHWA standard specifications. Refer to the addendum to SCRs Section 403. Note that the addendum to Subsection 403.02 only applies to the approval of the proposed JMF. Follow FHWA specifications for construction and acceptance.

See Amendment A002, SCR Section 403.

22 Does the project require a material transfer device (Shuttle Buggy) for all paving? This will be a problem in the campground paving or “tight” areas.

No, bid as advertised. A Material Transfer Vehicle (MTV) is not required.

23 Is this project exempt from State or Local Taxes?

See FAR Clause 52.229-3 Federal, State, and Local Taxes.

24 On B15 tally for Traffic Control is says contractor to provide 2 EA Portable Message Signs based on active working sites. If more than one site is worked at a time are additional Portable Message Signs required? There is no mention of a need for Portable Message signs being required for Option X & Option Y, please confirm that none are required.

Bid according to the plans. Portable message signs are required for the duration of construction at active sites. Refer to SCR Subsection 108.01.

25 Base bid includes 1,045 SY of “Removal of Pavement, Asphalt”.

This was found on the Eagle Campground drawings. These quantities do not include asphalt removal along CR 31, there is quite a bit removal for new full depth pavement. Please provide a

Refer to FP-14 Subsection 204.02(a)(1) “Roadway excavation includes all material encountered regardless of its nature or characteristics.” Do not measure removal of pavement for payment. See Amendment A002 for revised summary tables.

quantity for this work.

26 Option X includes a “Sawcutting Pavement” item to correspond with Asphalt Pavement Removal. There is no item for “Sawcutting Pavement” for Base Bid which has Asphalt Pavement Removal along CR 31. Is sawcutting for the base bid incidental to the removal or was there a missed bid item?

Do not measure sawcutting for payment. See Amendment A002 for removal of quantity and revision to subsection 203.07.

27 Please confirm quantities on CR 31 for Asphalt Concrete Pavement, Type 1? We are seeing ~ 1,400 TN of asphalt vs the 354 TN on the bid form.

See Amendment A002 for revised quantity. Refer to plan sheet A6 for CR 31 Typical Section A which has a portion of the asphalt at 2” thick as opposed to the 6” thick section required for all of Typical Section B.

28 Can you please confirm that Aggregate Base below curb & gutter, gutters, minor concrete pavement, etc will be paid by item 30101- 0000?

Aggregate base below curb and gutter is paid for by 609 pay items. See Amendment A002 for revised SCR Subsection 301.09.

29 Sheet C58 does not include elevations for CB01 & CB02 for the CDS Manhole. Please provide for pricing.

Table added for CB01 and CB02. See amendment A002.

30 Sheet E1 shows details for Check Dams. There is a note that appears to indicate that the ditch requires a “Rolled Erosion Product”. There does not appear to be a bid item associated with this product to be installed, additionally, with the details provided are not enough to be able to determine the extents of this material to be installed. Please consider providing a unit price bid item for this work?

See amendment A002 for “do not measure” statement added to SCR Subsection 157.12.

31 Sheet B15 has a note for Permanent Traffic Control Summary that states the quantities in the table represent two applications of paint (as required by the specifications). The bid form matches the quantities show in the Permanent Traffic Control Summary, please confirm that each coat of paint will be paid.

Yes, each application is paid. Bid according to contract documents.

32 Sheet C29 shows a 24” run of RCP that has two elbows. Can you please provide a detail for the collars necessary to install the elbows?

Install RCP pipe elbows per manufacturer recommendations. Elbow angle measurements are shown on plan sheet C28.

33 Unable to locate 42” CMP pipe per the bid tab there is none shown. Please clarify where this is located?

42” CMP pipe removed from the bid schedule. See Amendment A002.

34 There are a significant amount of trees that need to be removed at Eagle Campground Access Road to build the ditches. How are tree removals to be paid, this applies to many of the other locations besides Eagle?

Tree removal is included in clearing and grubbing, refer to FP-14 Subsection 201.04.

35 After a site visit to North Pines it was noted that the access road has quite a bit of existing asphalt on the road. How is the removal of this asphalt paid?

Refer to FP-14 Subsection 204.02(a)(1) “Roadway excavation includes all material encountered regardless of its nature or characteristics.”.

36 Sheet X56 shows cross sections for South Bay access road. These sections show an existing fiber optic line in an area of cut but it is not shown how deep the existing utility is located. Is the contractor to assume this will not be in conflict with proposed grading?

Depth of fiber optic line is unknown. Per SCR Subsection 107.02 the utility locations are certified to a Quality Level C, which does not include subsurface potholing. The contractor is required to pothole and verify the depth of existing utilities within the project limits.

November 29, 2024

37 Can you please clarify the follow addition to 156.05 “maintaining Roadways during work. “Maintain public access to the South Bay Parking lots while constructing the South Bay Access Road by detouring traffic to the existing alternate roadway south of the Entrance in compliance with MUTCD.” Is this intended to mean to divert traffic to the gated entrance across from Lakeview Drive?

The access road is separated to one way traffic through the entrance station to parking lots. Utilize one of separated roadways at a time to maintain access. No, access across from Lakeview Drive is not intended.

38 Is there electrical that the contractor can tie into to power an office trailer at the Larimer County Maintenance Yard near Carter Lake?

Power is available in the area. Contractor to coordinate with provider for service.

39 Unable to locate pond structures rebar details, do the Outlet Structure, Forebay, & Overflow Spillway Wall have rebar?

See Amendment A003, revisions to SCR Subsections 604.01, 604.02, 604.04, 604.10, and 725.10(h). See plan revisions to plan sheets B1, B3, B14, T18 and T19.

40 How is the Overflow Spillway Wall paid?

See Amendment A003, plan sheet B18. Overflow spillway wall removed.

Wall was determined not needed due to water flows and riprap design.

Riprap size also revised.

41 Aggregate Base quantity seems to be low for Option X. Appears that the quantity of FDR is greatly increased and therefore not counting other areas as Aggregate Base. Please clarify extends of Aggregate Base and provide an updated quantity?

Quantity is confirmed as correct. In the FDR areas, 2” of aggregate base will be added to the FDR (see sheets A12 and A13, typical sections). South Bay Access Road B, South Bay Parking Lot B, and South Bay Upper Overflow Parking Lot require 6” of aggregate base (see sheet A14, typical sections).

42 The plans mention the Toilet Vault will be completed by others. Is bidder only responsible for tying into new sidewalk, and exclude all concrete slab work concerning the toilet vault detail?

See response to bidder question #19. The contractor is also required to install the sidewalk connecting to the vault toilet slab according to the plans. There is a precast concrete slab foundation attached to the building that will be installed with the building by Larimer County.

43 Concerning office and lab trailer placement, would contractor be allowed to stage within the Maintenance Facility’s chain linked fenced lot?

Yes, staging for contractor office and lab allowed within fenced lot.

44 Is it possible to pull temporary power and water for office and lab from the Maintenance Facility?

Power is available in the area. Contractor to coordinate with provider for service. Water to be provided by contractor.