7486 - STATEMENT OF WORK - Supply of Hot Mix Asphalt Concrete.docx
RFP 7486 – Technical Specifications Page 1 of 3
RFP # 7486
Technical Specifications
Supply of Hot Mix Asphalt Concrete
The scope of work and/or technical specifications shall be finalized upon the selection of the Firm.
The proposal submission shall have accurately described your understanding of the objectives and
scope of the requested products and services and provided an outline of your process to implement
the requirements of the scope of work and/or technical specification below. It is anticipated that
the scope proposal submission will include, at a minimum, the following:
City of Denton Standard Specification
Section 32-05-16 Aggregates for External Improvements
Part 2 Products
2.2 Materials
B. Coarse aggregate
3. Asphalt Requirements
C. Fine Aggregate
3. Asphalt Requirements
Section 32-12-16 Asphalt Paving
Part 1. Section Includes:
1. Materials requirements and construction methods for:
a. Asphalt Pavement
A. Performance Specifications
The successful respondent will be required to meet performance specifications as follows:
a. Twenty-four (24) hour* telephone to receive messages. The City will give 12 hours’
notice of intent to receive and attempt to give six (6) hours’ notice of cancellation.
b. Seven (7) calendar day* response time after vendor is contacted by the City to provide
experienced asphalt paving crew and laydown machine, rollers and trucks.
* The contractor is expected to respond to the initial contact* from The City within 2
hours during normal business hours. Normal business hours are Monday – Friday
7am- 4pm. If no response from contractor within 2 hours, the City has the right to call
secondary contractor. Secondary contractor must also respond to initial contact within
RFP 7486 – Technical Specifications Page 2 of 3
4 hours, etc. If contractor is not able to meet delivery deadline, the City reserves the
right to call secondary vendor(s).
NOTE: The following are minimums:
c. Delivery of patching hot mix shall be at the rate of 48 tons over any 8-hour day or 8 tons
per hour.
d. Delivery of hot mix for repaving shall be at the rate of 90 tons per hour.
e. Delivery of hot mix for construction shall be at the rate of 130 tons per hour.
If the successful respondent is unable to meet specifications on a daily basis due to plant
failure or other delivery commitments, the City of Denton will have the option to obtain
materials from the secondary vendor(s). The Street Department patching crew needs
Type D hot mix every day.
Failure to meet performance requirements listed above could be consider in breach of the
contract.
a) The successful respondent will provide delivery using the most cost effective trucking for the
City of Denton for each of the three types of operations: (a) patching, (b) repaving, and (c)
construction. The average value can be obtained based on historical use and types of projects
providing the performance specifications in #9 are met.
b) Previous contracts have shown little price difference in all types of asphalt. Therefore, the
unit price quoted shall provide delivery for Type B (292), Type C, and Type D hot mix
asphaltic concrete as per City of Denton Standard Specification.
B. Supplemental Terms and Conditions
a) Authorized personnel shall have access to any supplier’s place of business for the
purpose of inspecting merchandise. Tests shall be performed on samples taken from
regular shipments. If products tested fail to meet or exceed all conditions and
requirements of the specifications, the cost of the sample and the cost of the testing shall
be borne by the supplier.
b) One year warranty period will begin after a walk through has been performed and the
street paving has been accepted. The warranty includes asphalt hot mix concrete material
and the workmanship if the contractor installs hot mix asphalt concrete.
c) Payment will be made within 30 days after (1) applicable tests have been completed and
materials are found to meet specifications or (2) the day on which the invoice for the
materials was received.
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d) All items must be F.O.B. delivered to the City of Denton Service Center or job site as
directed at the time of the order, unless the City opts to pick up the materials.
e) A purchase order number should be referenced on all packing/delivery slips, shipping
tickets, invoices, etc. Invoices and statements should be directed to:
CITY OF DENTON
ACCOUNTS PAYABLE
215 E. McKinney St.
Denton, Texas 76201