Light Weight Aggregate Q-A

GDOT-SPR405 (rev 3-31-2020) Page 1 of 2

RFQ Questions and Answers

RFQ Number: 48400-DOT0002204 RFQ Title: Light Weight Aggregates

Issuing Officer: Eric Glaubman RFQ Initially Posted to Internet: See GPR

Email Address: eglaubman@dot.ga.gov Date: March 19, 2021

The purpose of this document is to provide answers to supplier questions. Please see Questions and Answers included herein.

Note: This document is intended for informational purposes only. Any changes to the above solicitation must occur through a published addendum (or through publication of a new version in Team Georgia Marketplace™). If multiple Q & A documents are posted, the most recent Q & A shall govern in the event of a conflict.

# Questions Referenced Section

Answers

1. 1 We (Arcosa) were added the QPL last year for structural lightweight aggregate. Arcosa lightweight is listed in Section B, “Temporary

Sources List”. Does this classification make us eligible for this bid?

“Temporary Sources” This is a list of sources that due to plant or deposit characteristics, or, simply not having a need to meet the criteria for Section A, are approved to certify only a limited number of items. Only those products that are specifically listed may be certified by the

Producer. Acceptable Quality Control

Programs have been established for the specific items listed. These source codes will end in a T, indicating the occasional use or temporary status of the source. For those sources where aggregate products are produced from recycled material, the source code will end in TR.

At this point, Arcosa is certified only for concrete on QPL-2, although listed under

“Temporary Sources” which can be used for bid in lightweight concrete.

2. 2 The bid lists “expanded shale” specifically, our material is an expanded clay lightweight. Does this disqualify us from this bid opportunity

Our Bituminous Branch has not yet evaluated the material for use in surface treatment/chip seal applications. Until the material can be evaluated for surface treatment applications, it cannot be

GDOT-SPR405 (rev 3-31-2020) Page 2 of 2

# Questions Referenced Section

Answers approved and added to QPL-2 for use in surface treatment/chip seal. Our

Bituminous Branch is available to evaluate the product when needed by the supplier.

3. 3 Arcosa was added to GDOT’s QPL for concrete in 2020. The goal was after being approved for use in structural concrete, we had lined up a couple of County projects with Epps

Brothers and Everett Dykes and had

GDOT’s bituminous group wanting to observe these projects so that we could be added to the bituminous groups QPL. Covid shut down

County spending and we were unable to get GDOT observers on a chip seal project for approval. Our material on

GDOT’s QPL is being used on chip seal projects successfully in Alabama and Florida. In Florida, Asphalt

Pavement Systems has been using this material regularly in both 2020 and 2021. I have attached Arcosa’s most recent test data on this material.

Currently we are waiting on the

Bituminous Group’s response. If

Bituminous Groups approves and verifies the Arcosa lightweight for Bituminous

Surface Treatment application, a recommendation will be submitted to Pit

& Quarry Branch for their QPL 2 listing.

At this point, Arcosa is approved only for concrete on QPL-2.