ARFQ TPK27-14 Concrete Specifications.pdf

REQUEST FOR QUOTATION

ARFQ TPK27*14 Concrete for WVPA

SPECIFICATIONS

1. Purpose and Scope: The West Virginia Parkways Authority Purchasing Department is soliciting bids to establish an open-end contract for the furnishing and delivery of ready-mixed, air-entrained commercial concrete meeting the requirements specified herein.

Concrete shall be suitable for exterior use and shall be produced by a commercial ready-mix concrete supplier utilizing materials and production methods meeting applicable ASTM and ACI requirements.

2. Definitions: The terms listed below shall have the meanings assigned to them below.

Additional definitions can be found in section 2 of the General Terms and Conditions.

2.1. “ASTM” means ASTM International (originally known as the American Society for testing and materials).

2.2. “Contract Item(s)” means the list of items available for Vendor to provide pricing as identified in Section 3.1 of this solicitation and referenced throughout.

2.3. “Pricing Page” means the pages, contained in wvOASIS, upon which Vendor should list its proposed price for the Contract Item(s) and will be used to evaluate the solicitation responses.

2.4. “Solicitation” means the official notice of an opportunity to supply the West Virginia Parkways Authority with goods or services that is published by the Purchasing Department.

2.5. “WVPA” means The West Virginia Parkways Authority.

3. General Requirements:

3.1. Contract Items and Mandatory Requirements: Vendor shall provide West Virginia Parkways Authority with the Contract Items listed below on an open-end and continuing basis. Contract Items must meet or exceed the mandatory requirements as shown below.

3.1.1. 4000 PSI Air-Entrained Commercial Concrete. (Per Cubic Yard).

3.1.2. Concrete must have a minimum compressive strength of 4,000 PSI at 28 days.

3.1.3. Concrete shall be proportioned and produced to achieve the specified 28-day compressive strength and required consistency.

3.1.4. Compressive strength shall be determined in accordance with ASTM C39/C39M- 26 using concrete test specimens, sampled, prepared, and cured in accordance with applicable ASTM standards. The specified compressive strength shall be evaluated at 28 days.

3.1.5. Concrete shall be air entrained.

3.1.6. Concrete shall have a target air content of 7 percent, with an acceptable range of 6 to 8 percent at the point of placement, unless otherwise approved by WVPA. Air content shall be determined in accordance with applicable ASTM test method and the approved concrete mix design.

3.1.7. Air-entraining admixture shall be suitable for use in ready-mixed concrete and compatible with all other admixtures used in the mix.

3.1.8. Air content shall be verified in accordance with applicable ASTM testing procedures.

3.1.9. Concrete shall consist of clean and durable, naturally occurring sand suitable for use as fine aggregate in concrete. Manufactured sand, crusher fines, stone dust, and other artificially produced fine aggregates shall not be permitted as substitutes for natural sand.

3.1.10. Natural sand shall be free from excessive amounts of clay, silt, organic matter, deleterious materials, and other contaminants.

3.1.11. Coarse Aggregate shall conform to ASTM C33 and shall have a ¾-inch nominal maximum aggregate size, unless otherwise approved by WVPA. Coarse aggregate shall be clean, hard durable, and free from excessive amounts of deleterious materials.

3.1.12. The water-cementitious materials ratio shall not exceed 0.45 by weight. The concrete mix shall be proportioned to achieve the specified minimum compressive strength of 4,000 PSI at 28 days and provide suitable durability for exterior exposure, including freeze-thaw conditions. The water-cementitious materials ratio shall be documented in the approved concrete mix design.

3.1.13. Water shall be clean and suitable for concrete production. No water shall be added to the concrete at the jobsite without authorization from the WVPA. Any authorized water additions must remain within the approved maximum water-cementitious ratio and be recorded on the delivery ticket.

3.1.14. Air-entraining admixtures shall be used to achieve the specified air content. All admixtures shall comply with applicable ASTM requirements and shall be compatible with the concrete mix.

3.1.15. Concrete shall have a slump of 3 to 4 inches at the point of discharge from the ready-mixed concrete truck. Slump shall be determined in accordance with ASTM C143/C143M-26b. Concrete shall have sufficient workability for proper placement and consolidation without unauthorized addition of water.

3.1.16. The temperature of fresh concrete at the time of discharge shall not exceed 95℉ (35℃). Concrete temperature shall be measured in accordance withASTM C1064/C1064M. Concrete exceeding this temperature shall be subject to rejection by WVPA. The supplier shall submit a complete concrete mix design to the WVPA for review and written approval prior to supplying concrete under this Contract.

The mix shall demonstrate compliance with all requirements of this specification and shall include the following information. Material quantities shall be stated per cubic yard of concrete.

• Cement type and quantity;

• Water and water-cementitious materials ratio;

• Natural fine aggregate and quantity;

• Coarse aggregate type, nominal maximum size, and quantity;

• Air-entraining admixture and all other admixtures used, including type and quantity;

• Specified minimum compressive strength of 4,000 PSI at 28 days;

• Target air content of 7 percent, with an acceptable range of 6 to 8 percent at the point of placement;

• Target slump of 3 to 4 inches at the point of discharge from the ready mixed concrete truck;

The supplier shall not furnish concrete under this Contract until the applicable mix design has received written approval from WVPA. Any subsequent changes to the approved mix design including changes to materials, material sources, proportions, admixtures, or other mix components, shall be submitted to WVPA for review and written approval prior to implementation. Approval of a mix design shall not relieve the supplier of responsibility for ensuring that all concrete delivered complies with the requirements of this contract.

3.1.17. Concrete shall conform to the applicable provisions of these editions of the following standards as applicable.

• ASTM C33/C33M-Concrete Aggregates

• ASTM C39/C39M-26-Compressive Strength of Cylindrical Concrete Specimens

• ASTM C94/C94M-26c-Ready-Mixed Concrete

• ASTM C143/C143M-26b-Slump of Hydraulic-Cement Concrete

• ASTM C231/C231M-26-Air Content of Freshly Mixed Concrete by the Pressure Method

• ASTM C1064/C1064M-23-Temperature of Freshly Mixed Hydraulic- Cement Concrete

• ASTM C172/C172M-25-Sampling Freshly Mixed Concrete

• ASTM C31/C31M-26b-Making and Curing Concrete Test Specimens in the Field

3.2. Delivery of 4000 PSI Air-Entrained Commercial Concrete: Concrete shall be delivered in a commercially acceptable ready-mixed concrete truck.

3.2.1. Delivery shall be made within the manufacturer’s and applicable ASTM requirements for placement time and concrete quality. Concrete that has begun to set, has been contaminated, or otherwise fails to meet specified requirements shall not be accepted.

3.2.2. Each delivery ticket shall identify the concrete mix, quantity, production time, and delivery location.

3.2.3. Deliveries will be split on the pricing page into 3 Sections. Concrete will be priced per cubic yard. Quantities listed are estimates only for bidding purposes. The awarded Vendor must supply the actual quantities needed whether more or less than the estimate. The minimum order quantity shall be one cubic yard. The bid price per cubic yard shall apply to all orders of one cubic yard or more and shall include delivery, short-load charges, fuel surcharges, and all other charges necessary to furnish and deliver the concrete. No separate minimum-load or minimum-delivery charge shall apply. The delivery sections for pricing are listed below. All sections may include entrance and exit ramps, rest areas, maintenance facilities, as well as the main line of the highway

• SECTION 1: Mercer and Raleigh Counties (I77 MM 8-35)

• SECTION 2: Raleigh and Fayette Counties (I77 MM 36-65)

• SECTION 3: Fayette and Kanawha Counties (I77 MM 66-96)

3.2.4. Ordering Lead Time: WVPA shall place orders at least two business days before the requested delivery date, unless a different lead time is agreed to by WVPA and the Vendor. The Vendor shall promptly notify WVPA if additional lead time is required because of order size, availability, or scheduling constraints. Any exception to the required lead time must be approved by WVPA.

3.2.5. Delivery Hours: Standard delivery hours shall be Monday through Friday 7:00am

– 4:00pm, excluding WVPA- observed holidays. Deliveries outside these hours require WVPA authorization. The pricing must remain the same for any deliveries made outside the standard delivery hours.

3.2.6. Delivery Window Confirmation: When placing an order, WVPA shall specify the requested delivery date, delivery location, quantity, and requested delivery time or window. The Vendor shall confirm acceptance of the order and the requested delivery schedule with the designated WVPA representative by telephone or email.

If the Vendor cannot accommodate the requested schedule, the Vendor shall notify WVPA and obtain approval of an alternate schedule before the delivery is scheduled. A delivery schedule shall be considered confirmed once acknowledged and accepted by both parties. The Vendor shall comply with the confirmed delivery schedule unless a change is approved by WVPA in accordance with Section 3.2.7.

3.2.7. Changes to Confirmed Deliveries: The Vendor shall obtain WVPA’s approval before making changes to a confirmed delivery date or window. If the Vendor anticipates a delay or other scheduling problem, the Vendor shall notify the WVPA representative as soon as the issue becomes known and provide an estimated arrival time and proposed resolution.

3.2.8. Delivery Coordination: The Vendor shall coordinate deliveries with the designated WVPA representative to ensure that concrete arrives in accordance with the approved schedule and can be placed without unnecessary interruption. For multiple-load placements, the Vendor shall coordinate truck dispatch and delivery intervals with WVPA. Each delivery shall comply with the approved mix design and all applicable requirements of this Contract, including concrete quality, discharge, and acceptance requirements.

3.2.9. Cold-Weather Concrete Requirements: All concrete supplied under this contract shall comply with the applicable requirements of ASTM C94/C94M and ACI 306R-16 Guide to Cold Weather Concreting, including applicable requirements for concrete temperature, placement, curing, and protecting against freezing. The Vendor shall coordinate with WVPA whenever ambient temperatures are below or expected to fall below 40℉ (4℃) during concrete placement. Concrete shall not be placed on frozen ground or against surfaces containing ice and/or snow. Vendor shall be responsible for concrete temperature and protection during production, transportation, and discharge. WVPA or its placing contractor shall be responsible for site preparation, placement, consolidation, curing, and protection after discharge. WVPA reserves the right to postpone scheduled deliveries or reject concrete that does not meet the applicable temperature, quality, or placement requirements. Any additional costs resulting from the Vendor’s failure to comply with the requirements shall be Vendor’s responsibility, subject to the contract terms.

4. CONTRACT AWARD:

4.1. The Contract is intended to provide the West Virginia Parkways Authority with a purchase price on all Contract Items. The Contract shall be awarded to the Vendor that provides the Contract Items meeting the required specifications for the lowest overall total cost as shown on the Pricing Pages. The evaluated total cost shall be calculated by multiplying the unit price for each commodity line by its estimated quantity and adding the resulting extended totals for all three lines.

4.2. Pricing Pages: Vendor shall provide a unit price for each of the three commodity lines in wvOASIS. Failure to provide pricing for all three lines will result in rejection of the bid.

The Pricing Pages contain a list of the Contract Items and estimated purchase volume. The estimated purchase volume for each item represents the approximate volume of anticipated purchases only. No future use of the Contract or any individual item is guaranteed or implied.

Vendor should type or enter electronically the information into the Pricing Pages, if available, or as an electronic document.

5. ORDERING AND PAYMENT:

5.1. Ordering: Vendor shall accept orders through regular mail, facsimile, e-mail, or any other written form of communication. Vendor may, but is not required to, accept on-line orders through a secure internet ordering portal/website. If Vendor has the ability to accept on-line orders, it should include in its response a brief description of how the West Virginia Parkways Authority may utilize the on-line ordering system. Vendor shall ensure that its on-line ordering system is properly secured prior to processing West Virginia Parkways Authority orders on-line.

5.2. Payment: Vendor shall accept payment in accordance with the payment procedures of the West Virginia Parkways Authority. Vendor shall email invoices after delivery of the concrete to purchasing@wvturnpike.com. If unable to email the invoices, they can be mailed to the Accounts Payable Department at 3310 Piedmont Rd. Charleston, WV 25306.

mailto:purchasing@wvturnpike.com

6. DELIVERY AND RETURN:

6.1. Delivery Time: Vendor shall deliver the concrete on the confirmed delivery date and within the delivery window established in accordance with Section 3.2.6. Vendor shall coordinate deliveries with the designated WVPA representative to support continuous and timely concrete placement. Vendor shall not delay an order of one cubic yard or more to accumulate a larger delivery quantity.

6.2. Late Delivery: The West Virginia Parkways Authority entity placing the order under this Contract must be notified in writing if orders will be delayed for any reason. Any delay in delivery that could cause harm to the West Virginia Parkways Authority will be grounds for cancellation of the delayed order, and/or obtaining the items ordered from a third party.

Any West Virginia Parkways Authority entity seeking to obtain items from a third party under this provision must first obtain approval of the Purchasing Department.

6.3. Delivery Payment/Risk of Loss: Standard order delivery shall be F.O.B. destination to the West Virginia Parkways Authority’s location. Vendor shall include the cost of standard order delivery charges in its bid unit prices and is not permitted to charge the West Virginia Parkways Authority separately for such delivery.

6.4. Return of Unacceptable Items: WVPA may reject any concrete that fails to meet the specified strength, air content, slump, temperature, mix design, delivery requirements, or any other requirements of this RFQ. The Vendor shall be responsible for all reasonable costs associated with rejected concrete resulting from the Vendor’s failure to meet the requirements of this Contract, including the cost of rejected material and any applicable delivery charges. Rejected concrete shall not be unloaded or placed without WVPA’s written authorization. Any replacement concrete shall comply with all requirements of this Contract and shall be delivered at no additional cost to WVPA when rejection results from the Vendor’s noncompliance.

7. VENDOR DEFAULT:

7.1. The following shall be considered a vendor default under this Contract.

7.1.1. Failure to provide Contract Items in accordance with the requirements contained herein.

7.1.2. Failure to comply with other specifications and requirements contained herein.

7.1.3. Failure to comply with any laws, rules, and ordinances applicable to the Contract Services provided under this Contract.

7.1.4. Failure to remedy deficient performance upon request.

7.2. The following remedies shall be available to West Virginia Parkways Authority upon default.

7.2.1. Immediate cancellation of the Contract.

7.2.2. Immediate cancellation of one or more release orders issued under this Contract.

7.2.3. Any other remedies available in law or equity.

8. MISCELLANEOUS:

8.1. No Substitutions: Vendor shall supply only Contract Items submitted in response to the Solicitation unless a contract modification is approved in accordance with the provisions contained in this Contract.

8.2. Vendor Supply: Vendor must maintain sufficient production capacity, materials, equipment, personnel, and delivery resources necessary to fulfill orders placed under this Contract.

8.3. Reports: Vendor shall provide quarterly reports and annual summaries to the West Virginia Parkways Authority showing the West Virginia Parkways Authority’s items purchased, quantities of items purchased, and total dollar value of the items purchased.

Vendor shall also provide reports, upon request, showing the items purchased during the term of this Contract, the quantity purchased for each of those items, and the total value of purchases for each of those items. Failure to supply such reports may be grounds for cancellation of this Contract.

8.4. Contract Manager: During its performance of this Contract, Vendor must designate and maintain a primary contract manager responsible for overseeing Vendor’s responsibilities under this Contract. The Contract manager must be available during normal business hours to address any customer service or other issues related to this Contract. Vendor should list its Contract manager and his or her contact information below.

Contract Manager:

Telephone Number:

Email Address: