QnA 12.3.2020.pdf

Questions and Answers during Advertisement for

CO FTNP MEVE 100(1), Cliff Palace & Mesa Top Loop Roads

December 3, 2020

Questions Answers

1 For line items A0880 60704-0000

CLEANING CULVERT IN PLACE 12

EACH and W0880 60704-0000

CLEANING CULVERT IN PLACE 8

EACH, there are 5 TBD locations in

Tabulation of Quantities Schedule A and

5 TBD locations in Option W; could you please specify an assumed dimension width and length for bidding purposes?

An average 24” diameter and an average length of 40ft

2 For line items A0880 60704-0000

CLEANING CULVERT IN PLACE 12

EACH and W0880 60704-0000

CLEANING CULVERT IN PLACE 8

EACH, do you want debris captured or left in place of exit? If captured, where would you like it disposed on site?

Dispose of material as per FP14 Section 607.02

3 In the plans Sheets D16, D22, and D25, regarding the callouts for coordinating with stone masons, is NPS providing traffic control for this as part of the scheduled traffic control GC is providing or will NPS provide separate from contract?

Per project specification the contractor will remove stones and label them for the NPS masonry staff to replace. This coordination will between conducted by FHWA CFL Project Engineer and the contractor to schedule items of work. The completion of the masonry work will be done during the loop closure for each loop.

4 With potential delays and increasing restrictions due to Covid-19 and Colorado

December weather, could electronic submissions of the proposal please be considered.

No, paper bids must be submitted. However, electronic bid modifications will be accepted.

5 To install the Riprap per the cross sections and typical section(s) on sheets G2-

G3, excavation and backfill will be required. Please confirm the excavated quantities will be paid under 20401-0000

Roadway Excavation.

No payment will be made for earthwork required to install riprap aprons. See FP-14 Section 251.

6 Can electronic CAD files be provided to facilitate takeoffs? Specifically, existing

& final ground (DTMs or contours), alignment and other line work would be very helpful.

No, electronic CAD files will not be provided.

7 On Sheet E15 of the IFB (Pg. 118), the third paragraph states “Ground disturbance activities may begin on March

1, 2020 for schedule A”. We presume that this date should be March 1, 2021, but please clarify.

Correct, the date should be March 1, 2021. Amendment A001 will correct this.

8 On Sheet E30 of the IFB (Pg. 133), Part

203.03(a)((Removal of Headwal)(Salvage

Historic)) states “Store stones at location provided by the NPS, near the culvert location”. Please quantify the term “near”

(i.e. within 10-feet of culvert, 50-feet?

etc.).

Assume average of within 50’ for bidding purposes

9 Is there are designated staging area for the

Option “Y” work?

No staging areas other than those shown in the plans

10 Given that there is no site visit scheduled for this project and given the increasing

COVID-19 restrictions, can the Owner provide plan and profile details for the pipework associated with Option “Y”?

No. The site may be accessed by the general public for purposes of investigating the project location. The contractor may view culvert location by walking to the culvert location. No access will be allowed by vehicles.

11 Can a virtual pre-bid meeting be held for this project?

No, there are no plans for a virtual pre-bid meeting to be held with proposed contractors.

12 Regarding the Option “Y” pipework, does the size of the existing culvert pipe(s) scheduled to be removed match the size of the new pipe scheduled to be installed?

Yes, except for Site 1 which is replacing a 96” with two 48” diameter culverts.

13 Regarding the Option “Y” pipework, please quantify how much silt and/or debris exists within the existing pipe (i.e.

25% full, 50% full, etc.).

The option Y pipework are still in operation and passing flow currently from the inlet to the outlet.

14 Regarding the “Manhole Adjustments” bid Item (Pay Item 60405-0000), no rim elevations are provided for either the existing or the planned Manholes. Please quantity an estimated range in the adjustment (i.e. + 0.1’, 0.5’, etc.)

This is a mill and repave project with minor changes noted in the plans. Field adjustments will be required by the contractor to set manhole rim elevations to the proposed pavement elevation.

15 The specifications for section 302 in solicitation 6982AF20B000036 and FP-14 do not specify which grading designation from table 703-3 should be used for Pay

Item 30202-2000 Roadway Aggregate, Method 2. Please clarify which grading designation should be used for supplemental roadway aggregate, method

2.

Section 302 references Subsection 703.06 Crushed Aggregate. This Subsection allows for aggregate conforming to federal or state specifications.

16 Please confirm type of fence to be removed and reset in bid schedule X?

Will fence require new materials to reset?

See the above picture. No new materials are required to reset.

17 Regarding W1120 62302-1000 SPECIAL

LABOR, HIRED TECHNICAL

SERVICES 20 HOUR, could you tell us where to find specifics on the definition of this line item or provide one?

See Special contract requirements section 623 and FP -14 623 General Labor

18 Due to COVID-19 Global Pandemic will the U.S. Department of Transportation, Federal Highway Administration, Central

Federal Lands Highway Division consider electronic bid submittal?

See question #4

19 Is there a designated staging area for bid schedule Option X? Park Entrance

Roundabout.

The contractor will use existing pullouts and distrubed gravel around this intersection. The maintenance area adjacent to entersection may be used for equipment without tracks for weekend storage. No materail will be stored in Maintenance area.