EXHIBIT C
ID # Task and Description Source Project
Timing
Responsible
Staff
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Measure
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Measure
MM-RRP-
1.1 The Project would comply with all requirements of
the Uniform Relocation Act to ensure residents
displaced by the Project would be properly
compensated and relocated, as necessary.
Final
EIR/EA
Section
2.5 Design Caltrans, City
of Napa
■
AMM VIS-
1.1 The Project shall survey exact locations of existing trees and include the tree locations in the plan set
during the design phase. Where the pruning of trees
is required to accommodate construction operations,
pruning shall be done under the supervision of a
certified arborist.
Final
EIR/EA
Section
2.8 Design
through
Construction
Caltrans, City
of Napa
■
AMM-VIS-
1.2 Where feasible, the roundabout island, medians, and parkway strips shall be landscaped with a
combination of trees and ornamental planting.
Decorative paving shall be incorporated for areas too
narrow to plant or where planting is not easily
maintained.
Final
EIR/EA
Section
2.8 Design
through
Construction
Caltrans, City
of Napa
■
AMM-VIS-
1.3 Retaining walls, barriers, paving, and roundabouts
shall incorporate aesthetic treatments that use
context-sensitive design, textures, and/or colors to
help minimize glare and support visual unity at the
Project site.
Final
EIR/EA
Section
2.8 Design
through
Construction
Caltrans, City
of Napa
■
AMM VIS-
1.4 During construction operations, unsightly material
and equipment in staging areas shall be placed
where they are less visible and/or covered where
possible. Construction activities shall limit all
construction lighting to within the area of work and
avoid light trespass in residential areas through
directional lighting, shielding, and other measures as
needed.
Final
EIR/EA
Section
2.8 Design
through
Construction
Caltrans, City
of Napa
■
EXHIBIT C
ID # Task and Description Source Project
Timing
Responsible
Staff
CEQA
Mitigation
Measure
Avoidance/
Minimization
Measure
AMM VIS-
1.5 Light added as permanent features shall be shielded to the extent feasible and light trespass shall be
minimized.
Final
EIR/EA
Section
2.8 Design
through
Construction
Caltrans, City
of Napa
■
MM CULT-
1.1 Historic Resource Preservation: Following
construction, the Project Sponsor will prepare, in
consultation with the State Historic Preservation
Officer (SHPO), an evaluation of the East Napa
Historic District for eligibility to the National Register of Historic Places. In consultation with Section 106
stakeholders and the SHPO, Caltrans and the City of
Napa will implement mitigation measures specific to
the effects to the East Napa Historic District,
including, but not limited to, installation of
identification signs and interpretive materials
providing information on the history of the
neighborhood and recordation of 801 Silverado Trail
consistent with the Historic American Building
Survey (HABS) standards maintained in local
repositories. These mitigation measures are
captured in a Memorandum of Agreement between
Caltrans as the NEPA lead agency, the
stakeholders, and the SHPO.
Final
EIR/EA
Section
2.9 Permitting Contractor,
Caltrans, City
of Napa
■
AMM WQ-
1.1 Prior to any soil disturbance work, file a Notice of Intent with State Water Resources Control Board
(SWRCB). To maintain proper permit coverage
under the Construction Stormwater General Permit
(CGP), in addition to filing a Notice of Intent, all
dischargers must electronically file permit registration documents, Notice of Termination, changes of
information, sampling and monitoring information,
annual reporting, and other required compliance
documents through the SWRCB’s Stormwater
Final
EIR/EA
Section
2.11 Design
Through
Construction
Contractor,
Caltrans, City
of Napa
■
EXHIBIT C
ID # Task and Description Source Project
Timing
Responsible
Staff
CEQA
Mitigation
Measure
Avoidance/
Minimization
Measure
Multiple Application and Report Tracking System
(SMARTS).
AMM WQ-
1.2 Prepare and implement a Stormwater Pollution
Prevention Plan (SWPPP). Prior to the start of
construction, the SWPPP would be submitted by the
Contractor to Caltrans for approval. The SWPPP
shall detail the measures to address the temporary
water quality impacts resulting from construction
activities associated with this Project. The SWPPP
shall also include the development of a Construction
Site Monitoring Program that presents procedures
and methods related to the visual monitoring,
sampling, and analysis plans during construction of
the Project.
Additionally, the treatment BMP certifications will be
prepared and provided at various milestones of the
Project.
Final
EIR/EA
Section
2.11 Permitting,
Construction
Contractor,
Caltrans, City
of Napa
■
AMM GEO-
1.1 At minimum, one additional boring shall be drilled at the location of the proposed retaining wall along the
west side of East Avenue at the SR 121 level to
verify the subsoil/groundwater conditions and
bedrock depths. An additional boring shall be drilled
at the location of the proposed retaining wall along
the northeast side of Coombsville Road on the
western end of the proposed wall. Additional
laboratory tests shall also include moisture content,
unit weight, plasticity indexes and liquid limits,
particle size analyses, consolidation, strength tests,
and corrosivity testing.
Final
EIR/EA
Section
2.12 Design Caltrans, City
of Napa
■
EXHIBIT C
ID # Task and Description Source Project
Timing
Responsible
Staff
CEQA
Mitigation
Measure
Avoidance/
Minimization
Measure
AMM HM-
1.1 Testing for the presence of lead-based paint and
asbestos-containing materials, on the existing
structure at 801 Silverado Trail and roadway paint to
be removed shall occur. If these substances are
found to be present, applicable regulations pertaining
to their removal and disposal shall be followed.
Final
EIR/EA
Section
2.14 Project
Design
Through
Construction
Caltrans, City
of Napa
■
AMM HM-
1.2 Testing of the soils within the project area for worker safety and soil management purposes shall occur.
Soils and groundwater, if encountered, shall be
tested for the following:
• Total petroleum hydrocarbons (TPH) as
gasoline, as diesel, and as motor oil;
• Pesticides and herbicides;
• CAM 17 metals
Final
EIR/EA
Section
2.14 Construction Contractor,
Caltrans, City
of Napa
■
AMM AIR-
1.1 Caltrans or the general contractor for the project
shall submit a list of all off-road equipment greater
than 25 horsepower (hp) that would be operated for
more than 20 hours over the entire duration of
project construction, including equipment from
subcontractors to the relevant air district for review
and certification. The list shall include all information necessary to ensure the equipment meets the
following requirements:
• Equipment shall be zero emissions or have
engines that meet or exceed either EPA or
CARB Tier 4 off-road emission standards, or
it shall have engines that are retrofitted with
a CARB Level 3 Verified Diesel Emissions
Control Strategy (VDECS), if one is available
for the equipment being used. Equipment
Final
EIR/EA
Section
2.15 Construction Contractor,
Caltrans, City
of Napa
■
EXHIBIT C
ID # Task and Description Source Project
Timing
Responsible
Staff
CEQA
Mitigation
Measure
Avoidance/
Minimization
Measure
with engines that meet Tier 4 Interim or Tier
4 Final emission standards automatically
meet this requirement; therefore, a VDECS
would not be required.
• Idling time of diesel-powered construction
equipment and trucks shall be limited to no
more than two minutes. Clear signage of this
idling restriction shall be provided for
construction workers at all access points.
AMM AIR-
1.2 Portable diesel generators shall be prohibited. Grid power electricity should be used to provide power at
construction sites; or propane and natural gas
generators may be used when grid power electricity
is not feasible.
Final
EIR/EA
Section
2.15 Construction Contractor,
Caltrans, City
of Napa
■
AMM NOI-
1.1 All construction equipment shall conform to Section 14-8.02, Noise Control, of the latest Standard
Specifications.
Final
EIR/EA
Section
2.16 Construction Contractor,
Caltrans, City
of Napa
■
AMM NOI-
1.2 When feasible, noise-generating construction
activities shall be restricted to between 7:00 a.m. and 7:00 p.m. on weekdays, with no construction
occurring on weekends or holidays. If work is
necessary outside of these hours, Caltrans shall
require the contractor to implement a construction
noise monitoring program and provide additional
noise controls where practical and feasible.
Final
EIR/EA
Section
2.16 Construction Contractor,
Caltrans, City
of Napa
■
AMM NOI-
1.3 Noise generating equipment shall be located as far
as practical from sensitive receptors when sensitive
Final
EIR/EA
Construction Contractor,
Caltrans, City
of Napa
■
EXHIBIT C
ID # Task and Description Source Project
Timing
Responsible
Staff
CEQA
Mitigation
Measure
Avoidance/
Minimization
Measure
receptors adjoin or are near the construction Project
area.
Section
2.16 AMM NOI-
1.4 "Quiet" air compressors and other "quiet" equipment shall be utilized where such technology exists.
Final
EIR/EA
Section
2.16 Construction Contractor,
Caltrans, City
of Napa
■
MM NOI-2.1 Avoid the use of vibratory rollers within 25 feet of structures. Static mode compaction shall be used
when construction activities are less than 25 feet
from structures.
Final
EIR/EA
Section
2.16 Construction Contractor,
Caltrans, City
of Napa
■
MM NOI-2.2 Avoid dropping heavy objects or equipment within 25 feet of structures.
Final
EIR/EA
Section
2.16 Construction Contractor,
Caltrans, City
of Napa
■
MM NOI-2.3 Avoid the use of hoe rams, large bulldozers, and caisson drilling equipment within 15 feet of
structures. If vibratory rollers must be used within 25 feet and all other equipment must be used within 15
feet of structures, the following measures will be
required:
• Contractor must perform vibration
monitoring, crack monitoring and photo/video
documentation of the effected facilities
during construction. The requirements to
perform vibration monitoring, crack
monitoring and photo/video documentation
will be included in the Project's construction
specifications as part of the construction
contract documents.
Final
EIR/EA
Section
2.16 Construction Contractor,
Caltrans, City
of Napa
■
EXHIBIT C
ID # Task and Description Source Project
Timing
Responsible
Staff
CEQA
Mitigation
Measure
Avoidance/
Minimization
Measure
AMM BIO-
1.1 A spill prevention plan shall be prepared describing measures to be taken to minimize the risk of fluids or
other materials used during construction (e.g., oils,
transmission and hydraulic fluids, cement, fuel) from
entering the Napa River or contaminating adjacent
riparian areas. In addition to a spill prevention plan, a cleanup protocol shall be developed before
construction begins and will be implemented in case
of a spill. The spill prevention plan and cleanup
protocol shall be submitted to the Caltrans Engineer
prior to construction.
Final
EIR/EA
Section
2.18 Permitting,
Construction
Contractor,
Caltrans, City
of Napa
■
AMM BIO-
1.2 Stockpiling of materials, including portable
equipment, vehicles and supplies (e.g., chemicals),
will be restricted to the designated construction
staging areas.
Final
EIR/EA
Section
2.18 Construction Contractor,
Caltrans, City
of Napa
■
AMM BIO-
2.1 The removal of any trees or structures containing
suitable bat roosting habitat shall be scheduled to
avoid the maternity roost season. To the extent
feasible, activities should be restricted to the period between August 31 and April 15.
Final
EIR/EA
Section
2.19 Construction Contractor,
Caltrans, City
of Napa
■
AMM BIO-
2.2 If seasonal avoidance is not possible, within 10 days prior to the start of work, a roosting bat survey shall be performed by a qualified biologist to determine if
potential bat roosts or roosting habitat is present on
the Project site or within a zone of influence (i.e., 50 feet) and if any avoidance measures are necessary
to avoid impacts on bats. If roosting bats or signs of
roosting bats are observed, a qualified biologist shall develop a roost deterrent and/or roost exclusion
plan. The deterrent/exclusion plan shall include
Final
EIR/EA
Section
2.19 Construction Contractor,
Caltrans, City
of Napa
■
EXHIBIT C
ID # Task and Description Source Project
Timing
Responsible
Staff
CEQA
Mitigation
Measure
Avoidance/
Minimization
Measure
measures to avoid bats potentially using bat tree
roost habitat within the Project limits.
AMM BIO-
3.1 Before any ground-disturbing activities begin, a
qualified biologist, defined as a person who
possesses, at minimum, a bachelor's degree in
biological sciences, zoology, botany, ecology, or
another closely-related field, and who is familiar with western pond turtle, shall conduct a training session
for all on-site project personnel. At a minimum, the
training will include a description of western pond
turtle terrestrial behavior, as well as nesting birds,
roosting bats—specifically, the pallid bat, the
importance of these species, legal protections, the
measures that are being implemented to avoid and
minimize impacts as they relate to the Project, and
the boundaries within which work may occur.
Final
EIR/EA
Section
2.20 Construction Contractor,
Caltrans, City
of Napa
■
AMM BIO-
3.2 The boundaries of the work area where natural
vegetation occurs shall be clearly staked or
otherwise delineated on the plans to prevent workers
or equipment from inadvertently straying from the
work area. All construction personnel, equipment,
and vehicle movement shall be confined to
designated construction and staging areas.
Final
EIR/EA
Section
2.20 Construction Contractor,
Caltrans, City
of Napa
■
AMM BIO-
3.3 Plastic monofilament netting (erosion control
matting) or similar material shall not be used
because wildlife may become entangled or trapped
in it. Acceptable substitutes include coconut coir
matting or tackifier hydroseeding compounds.
Final
EIR/EA
Section
2.20 Construction Contractor,
Caltrans, City
of Napa
■
EXHIBIT C
ID # Task and Description Source Project
Timing
Responsible
Staff
CEQA
Mitigation
Measure
Avoidance/
Minimization
Measure
AMM BIO-
3.4 To prevent special-status species from entering the construction staging area, exclusion fencing (e.g., silt fence) shall be constructed in strategic locations in
and around all work areas within 100 feet of all
aquatic features. Exclusion fencing shall be installed
prior to the start of Project-related activities and
should be placed within 10 feet of the edge of work
areas. Permittee shall maintain the barrier
throughout all construction activities.
A Qualified Biologist shall inspect the area prior to
fence installation. The interior and exterior of the
exclusion fencing shall be inspected by WEAP-
trained crews at least once daily before 9:00 a.m.
each day to ensure that no special-status species
are trapped against the fencing, where they could
desiccate or be predated upon. The Project
proponent shall maintain and repair the barrier
immediately to ensure that it is functional and without defects. The barrier shall remain in place until project activities in that area have been completed and
construction equipment has been removed from the
site.
If wildlife is found along the fence, a Qualified
Biologist shall be consulted. The Project proponent
shall avoid damage to small mammal burrows to the
maximum extent possible during installation of the
exclusion fencing. The Project proponent shall also
ensure that silt fencing and/or other erosion control
methods used to prevent sediment or other debris
Final
EIR/EA
Section
2.20 Construction Contractor,
Caltrans, City
of Napa
■
EXHIBIT C
ID # Task and Description Source Project
Timing
Responsible
Staff
CEQA
Mitigation
Measure
Avoidance/
Minimization
Measure
from passing into aquatic habitat that is within 100
feet of Project construction activities does not create a barrier to special-status species movement.
AMM BIO-
3.5 Crews shall check for wildlife under all vehicles,
equipment, materials, or otherwise suitable locations
for wildlife, such as western pond turtle, to hide.
Workers shall inspect under vehicles and equipment
for wildlife before vehicles and equipment are moved
or have been idle for five minutes. If wildlife is
present, they shall be allowed to move out of the
construction area under their own volition.
Final
EIR/EA
Section
2.20 Construction Contractor,
Caltrans, City
of Napa
■
AMM TCR-
1.1 Prior to the initiation of construction, an agency
approved archaeologist and Native American
representative will prepare and conduct an
educational program to instruct construction workers
of the obligation to protect and preserve valuable
resources. This program shall be provided to all
construction workers as a field training prior to the
beginning of ground-disturbing activities, and shall at minimum, the training will include a discussion of
archaeological and tribal resources that may be
encountered (including the traditional importance of
resources such as cultural landscapes, significant
waterways, and ethnobotanical plants); the
procedures when working in Tribal Monitoring Areas
or near Environmentally Sensitive Areas, if
applicable; a summary of state and federal laws and
penalties under the laws; samples or visual aids of
resources that could be encountered in the project
vicinity; instructions regarding the need to halt work
in the vicinity of any potential archaeological and
Native American resources encountered; and
measures to notify their supervisor, City of Napa
Final
EIR/EA
Section
3.2.18 Construction Contractor,
Caltrans, City
of Napa
■
EXHIBIT C
ID # Task and Description Source Project
Timing
Responsible
Staff
CEQA
Mitigation
Measure
Avoidance/
Minimization
Measure
Public Works Director, and District 4 Office of
Cultural Resources Studies.
AMM TCR-
1.2 Construction related activities (including, but not limited to, demolition/ excavation, grading, and utility trenching) shall be monitored by a Native American
tribal monitor to be retained by Caltrans. The tribal
monitor shall have authority to halt construction
activities temporarily in the immediate vicinity of an
unanticipated find until its significance can be
assessed by the tribal monitor.
Monitoring within the Tribal Monitoring Area may
move to a part-time or intermittent schedule by
mutual agreement between the Tribes, the City of
Napa and Caltrans District 4 Office of Cultural
Resources Studies.
A summary report of the monitoring results, including
any protective measures implemented, shall be
submitted to Caltrans upon completion of the
construction monitoring.
Final
EIR/EA
Section
3.2.18 Construction Contractor,
Caltrans, City
of Napa
■
EXHIBIT C