The testing agency will perform inspections at the plant during all paving operations.
In addition to performing testing as described above, the technician assigned to plant
inspections shall observe all materials and observe the hot-mix batching process
The testing agency shall submit sample test result forms for review by the Engineer
two weeks after Notice to Proceed. Content and format of those forms must be
approved by the Engineer prior to receiving actual results.
To the extent practical tests shall be performed while technician is at the plant.
Payment items are provided for tests performed at the plant, as well as tests
performed at the Contractor’s laboratory.
Results for both in-plant and core testing shall include name of street where sample
was taken (if appropriate), date when sample was taken, sublot number, aggregate
max stone size, mix design used, and station and offset (if appropriate). Result
information shall include percent binder content, percent compaction, gradation test,
and an image of the core with a measurement of thickness. Final results shall be
clearly marked. Results shall be compared to approved mix designs and
specifications. A column clearly indicating passing or failing results shall be
provided.
Test results shall be provided to the City within 5 calendar days from asphalt pickup.
Results received after 5 calendar days will not be accepted.
Testing and inspections shall be performed by qualified technicians and shall be in
accordance with the relevant provisions of the latest version of the NHDOT standard
specifications.
The tables listed below are attached and list the street. Streets are subject to change
and contract will be adjusted accordingly.
e® Table 1: 2019 Paving Program — Arterial Roadways Paving List
© Table 2: 2019 Paving Program — Local Roadways Paving List
Payment for testing will be per each (Ea) and shall include all materials, labor, and
equipment necessary to complete that portion of the bid schedule. One payment will
be made for each gradation, binder content, bulk density, and theoretical maximum
density test result received within the specified time frame in the format approved by
the Engineer.
In-Plant Testing Technician Certification/Qualification:
The technician performing the HMA sampling and testing is required to have a
“NETTCP HMA Plant Technician. The technician will obtain samples at the plant at
a frequency of | test per 750 tons. Plant samples will be used to perform gradation &
asphalt content test (AASHTO T1130 & T164). In addition the technician will
Scope of Services Page 2 of 3 January 2019
