QnA 6 2 2022.pdf
PDF 570 KB Posted
- Attached to
- CA FLAP RED 2017(3) Sacramento Island Trail
- Solicitation number
- 6982AF21B000011
About this file
This document contains questions and answers related to a solicitation for the CA FLAP RED 2017(3) Sacramento Island Trail federal contract opportunity. Key details include:
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The project consists of constructing a new 0.86 mile recreational trail and parking area in Redding, CA to improve access to the Sacramento River and adjacent lands for recreational activities. Primary work includes grading, drainage, paving, signing, striping, and landscaping.
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Significant quantities of work include 3,500 tons of roadway aggregate, 3,000 cubic yards of embankment construction, 1,200 tons of asphalt concrete pavement, and 220 linear feet of 18-inch concrete curb. Construction is anticipated from July 2022 to April 2023. The estimated cost range is between $800,000 and $1.5 million.
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Questions addressed clarification around the use of prime coat, asphalt mix designs, pavement lift requirements, quality control certification needs, and the use of rolled erosion control products and turf reinforcement mats.
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Questions and Answers during Advertisement for CA FLAP RED 2017(3), Sacramento Island Trail
June 1, 2022
Questions Answers 1 The solicitation includes prime coat however it is our understanding that emulsified asphalt prime coat material is no longer available in California. Can prime coat be excluded from the contract? If prime coat is required, please provide some additional information on mix designs or product data.
Prime coat will not be excluded from the contract. Emulsified asphalt meeting the requirements of Subsection 702.02, including grades CSS-1, CSS-1h, SS-1, and SS-1h, will be allowed and are available in California.
2 The typical local/state mix is primarily a "super-pave" mix design with 1/2" aggregate and PG 64-10 oil. Can this mix be utilized in lieu of the specified mix design?
State department of transportation asphalt concrete mixes are allowed that meet the requirements of Subsection 403.02(a).
3 The solicitation requires that the 3” asphalt concrete pavement be placed in two lifts. Will this be required for the trail paving or can the asphalt concrete pavement on the trail be placed in one lift?
The 3” asphalt concrete pavement for the trail portion of the project may be placed in one or two lifts. The parking lot portion of the project requires two pavement lifts. Pavement surfaces will be evaluated per Subsection
403.11 – Pavement Straightedge Measurement.
4 Section 153 of the solicitation includes the requirement for a QCM who has at least two years of experience in highway construction, quality control, material testing, and (NICET) Level III certification. This will add significant cost to the contract. Can this requirement be waived for this project as it is a bike trail and parking area?
Yes
5 Section 637 requires the contractor to provide a Government field office within 15 miles of the project site. Being that this is a relatively simple and small project please confirm that a field office for the Government is required.
6 Sheet D1 calls for Concrete Wheelstops per Detail E609-02.
Detail E609-02 has two different kinds of wheelstops, one with drain and one without drain. Please clarify quantity of each.
Both types of wheelstops (with and without drain) are acceptable for this project.
June 2, 2022
7 There are multiple sheets in the contract drawings that have a protected scale that does not match the physical scale on each drawing sheet. Can this be updated so that contractors can verify quantities?
8 The original due date for technical questions landed on a federal holiday. Will technical questions be accepted until the end of business day following the holiday?
9 Please clarify if the bid date will be extended to accommodate contractors and subcontractors review of responses to technical questions.
No
10 Please provide grading designation for roadway aggregate. Provide Roadway Aggregate per Subsection 302.02 and 703.06.
11 Please clarify if the river trail bike path or the decomposed granite sidewalks are required to be ADA compliant.
12 For Item No. A0780, pay item no. 62511-2000 Seeding, Hydraulic Method, no seed mix is provided in either the specs or the plans sheets.
Provide seeds mixes per Subsection 625.02 and 713.04.
13 For item no. A0120, pay item no. 15701-0000 Soil Erosion Control, section 157.02 of the specs refers to section 713.04.
In which section 713.04 Seed, provides the 2 seed mixes for the riparian areas (along Trail Station 10+36 to 42+00) and upland areas (along Trail Stations 42+00 to 47+50 and surrounding the Parking Lot area).
Please advise, if we should we be using any or both of these 2 seed mixes provided in section 713.04 for item no. A0780 Seeding, Hydraulic Method.
For Item No. A0780, pay item no. 62511-2000 Seeding, Hydraulic Method, provide seed mixes per Subsection 625.02 and 713.04.
14 Item no. A0900, pay item no. 62901-110 Rolled Erosion Control Product, Type 4, will both RECP and Turf Reinforcement Mat be used over one another? When reading the Standard Specifications for Construction of Roads and Bridges on Federal Highway Projects, there is an understanding that both are required, please advise as to use only one or both (RECP and Turf Reinforcement Mat).
Install a single layer of Type 4 RECP per Plan Detail C629-51 (Sheet No. T23) and Section 629 and Subsection 713.17.
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