Soilworks products are the industry’s top standard due to our insistence on creating high performance soil stabilization and dust control products that stand up to rigorous testing – both in the lab and in the field. Our commitment to quality and performance has led to our involvement and testing in hundreds of real-world situations. The following library of reports, presentations, specifications, approvals and other similar documents provide you, our customer, the transparency and dependable assurance that is expected from Soilworks.
Yuma County, Arizona
DEPARTMENT OF DEVELOPMENT SERVICES
2351 West 26thStreet, Yuma, Arizona 85364 Phone: (928) 817-5000
Fax: (928) 817-5020
TO: ALL Known Bidders, Contractors, Plan Holders and Other Interested Parties SUBJECT: Addendum No.4
PROJECT: Smucker Park Detention basin [CIP # 3.9703]
DATE: July 23, 2019
BIDDER SHALL ACKNOWLEDGE RECEIPT OF THIS ADDENDUM ON PAGE PK-1 IN THE
BIDDERS ARE HEREBY NOTIFIED THAT THIS ADDENDUM (#4) WILL BE THE LAST AND FINAL ADDENDUM TO THE PROJECT DOCUMENTS PRIOR TO THE BIDS BEING DUE
RESPONSES TO QUESTIONS
Question #1 – Does the county want a geo-textile to be placed beneath 1” Minus Gravel?
Response: – Section 423.6 of the project Special Provisions states, “Payment for placement of riprap and gravel shall include filter fabric [Geotextile]”. Therefore, geotextile fabric is required beneath all 1” minus gravel areas.
Question #2 – Will the use of a pre-emergent herbicide be required under areas where Rip-Rap, Reno Mattress & Gravel will placed?
Response: – Pre-emergent herbicide is required at all areas covered by decomposed granite, gravel, rip rap, and gabion mattresses.
Question #3 – Can a more direct specification be given in regards to the veneer finish, that is to go on the concrete flood wall on the Kofa HS Parking Lot, current special provision does not allow for an accurate estimate?
Response: – The finish of the concrete flood wall is subject to review and approval by the Yuma Union High School District. Finishes could range from painted concrete to custom form liners.
For the purposes of this bid, Contractors are directed to assume a painted concrete finish for the wall.
Coordination with and review and approval from the Yuma Union High School District is still required prior to construction of the flood wall.
Question #4 – Will the county reconsider “Yuma Gray” as an allowable color for the 1” minus landscape rock required for Smucker Basin?
Response: – Further clarifying the response to question #11 from Addendum #2, “Yuma Grey” will now be allowed as an acceptable color for the 1” minus landscape rock.
Question #5 – Can “Gorilla-Snot” by Soilworks be used as an approved alternate to use as a stabilizer for the decomposed granite areas?
Response: – In lieu of “Gorilla-Snot®”, “Soiltac®” by SoilWorks is allowed as an acceptable alternate to “Stabilizer”. See the Revisions to the Project Special Provisions Section 430.4.3 stated herein.
Question #6 – Sheet 48/Note 6 calls for the use of ASTM 5752 [sic] Gr.50 to be used for the “Bar Grate’, Can A36 material be used as an alternate to Gr.50, A36 is more economical and easier to obtain?
Response: – The Prefabricated Steel Grate for the junction structure may be fabricated to meet ASTM A36 requirements.
Question #7 – Bid item 423.02 calls for 2’ thick reno Mattress which is not a standard size. We recommended 1.5’ thick gabions for the specified rock 4” – 10” d50=8”. Can we propose 1.5’ thick Gabions?
Response: – Bid item 423.02 shall remain 2’ (24”) inches thick.
Question #8 – The fabric under the gabions call for 6 oz non-woven. We recommended 8 oz. non-woven geotextile under the gabions. Can we propose 8 oz non-woven geotextile?
Response: – The requirements stated in the contract documents are minimums. There is no restriction against exceeding the requirements.
REVISIONS TO THE PROPOSAL PAMPHLET
1. This is the final addendum. Contractors are to submit bids based on the contract documents and the four addenda.
REVISIONS TO THE PROJECT SPECIAL PROVISIONS
1. Section 430.4.3 is revised to the following.
Add this section to the Yuma County Standard Specifications.
Soil stabilizer to be applied to decomposed granite areas identified on the plans shall be “Stabilizer” as manufactured by Stabilizer Solutions, 33 S. 28th Street, Phoenix, Arizona, 85034 (800-336-2468), or “SoilTac” by Soil Works, 7580 N. Dobson Rd, Suite 320, Scottsdale, AZ 85256 (800-545-5420), or approved equal.
The stabilizer shall be applied by the methods, in the manner, and at the rate recommended by the manufacturer.
REVISIONS TO THE PLANS
None with this Addendum