QA_12-08-2022.pdf

CO NP MULTI PMS(1)

Pavement Preservation Colorado

# General Technical Question Answer Date

1 X

A Subcontracting Plan is listed on the Offer Submittal Checklist. Please clarify a Subcontracting Plan (starting on Page A‐6a) will need to be completed at time of bid, or will it still be post bid?

See last paragraph on Page A‐6. 11/8/2022

2 X Please confirm coordinates for CURE staging area. will be addressed under Amendment A002 12/1/2022

3 X Please list route number to be used for staging equipment and material as listed in section 105.04(a)(2).

will be addressed under Amendment A002 12/1/2022

4 X All potential staging areas in the Elk Creek area do not look large enough for equipment and material.

will be addressed under Amendment A002 12/1/2022

5 X

Prosecution and Progress 108.01 (f) Limit surface treatment work to two parks at any one time. What is the definition of surface treatment, micro surfacing and chip seal or is crack sealing and asphalt patching type I and

II considered surface treatment?

will be addressed under Amendment A002 12/5/2022

6 X

Existing rumble strips in Mesa Verde: Is the intent of the contract to cut the rumble strips before or after the chip seal? Plans do not specify. FP‐

14 does not have a rumble strip section that I can locate, no special provision for rumble strips.

will be addressed under Amendment A002 12/5/2022

7 X Is amendment A002 going to postpone the bid opening date?

The Government will not be extending the

Bid Opening Date.

12/5/2022

8 X

Per 156.09 – Traffic Control Supervisor, will this item be paid for by each supervisor/day? For example if we are working in 2 separate parks on the same day will the contractor be paid for item A0620 for a quantity of 2 or

1 for that day?

will be addressed under Amendment A004 12/7/2022

9 X

Per addendum 4, 156.09 Traffic Control Supervisor. What is the measurement method for payment? When the second traffic control supervisor is onsite for a given 24hrs will the contractor be paid for a quantity of 2 for that given day or is the second traffic control supervisor incidental and not counted for.

Payment for each TCS will be measured according to Subsection 635.24. please bid accordingly

12/8/2022

10 X

Amendment A004 doesn’t really answer the question of payment for two separate TCS. We know two separate TCS would be needed because it’s unrealistic for one TCS to be present in two locations hours apart. Why not answer the question under Section 635.24?

Payment for each TCS will be measured according to Subsection 635.24. please bid accordingly

12/8/2022

11 X

Item A0260 41801‐1000 Asphalt Concrete Pavement Patch Type 1, will asphalt millings obtained from milling operations be allowed as a substitute for the 6” of “Crushed Aggregate” required?

Material meeting the requirements of FP‐

14 subsection 703.06 Crushed Aggregate are allowed.

12/8/2022

12 X

Item A0400 633131‐0000 Rumble Strip (Center Line) section 633.06A(a) of the special Contract Revisions it states to furnish equipment capable of milling concave indentations with a vacuum attachment to remove residue from the roadway. In discussions with contractors providing rumble strip services, such attachment does not exist for this operation.

Would a vacuum/mechanical broom behind the milling machine suffice?

Bid according to contract documents 12/8/2022

13 X

Item A0400 633131‐0000 Rumble Strip (Center Line) Amendment 2 states to construct rumble strips after surface treatments of chip seal. Route

0010 Entrance Road of Mesa Verde National Park has existing center line rumble strips already. Chip Seal will not fill existing rumble strips level with the existing pavement to construct new rumble strips. New rumble strips could deviate from existing pattern. If so, is this acceptable to complete this item of work.

Bid according to contract documents 12/8/2022

14 X

A002 amendment: States rumble strips need to be cured sufficiently without damaging the surface. What is the timeline of cured sufficiently?

Damage to the new surface or the existing surface?

Timeline for curing to prevent damage to the new chip seal or micro surfacing during milling can only be determined during field operations

12/8/2022

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