**About this resource:**

> EPA is providing this resource solely for informational purposes. The
> agency can not attest to the accuracy, effectiveness, legality or
> usefulness of the information provided, nor does the inclusion or
> reference of such language constitute an endorsement by EPA.

**Document Name:**

> CDOT Notice to Contractors Vehicle Emissions Control 06162006

**Organization/Agency Responsible:**

> Connecticut Dept. of Transportation (CDOT)

**Contact:** Jim Kocaba

> Connecticut Dept. of Transportation
>
> 860-594-2082
>
> james.kocaba@po.state.ct.us

**Description:** Connecticut DOT\'s I-95 New Haven Harbor Crossing
Project\
\
Connecticut DOT's I-95 New Haven Harbor Crossing (I-95 NHHC) project is
a 12-year bridge and highway upgrade that will reconstruct and widen
Interstate 95 along the state's coastline. CDOT's focus is on reducing
diesel chemical and particulate emissions. Under the Connecticut Clean
Air Initiative (CCAI), all contractors and subcontractors are required
to adhere to idling specifications and to reduce hazardous diesel
emissions using control devices, such as alternate fuels, diesel
oxidation catalysts (DOCs), diesel particulate filters (DPFs), and truck
staging zones.

NOTICE TO CONTRACTOR -- DIESEL VEHICLE EMISSIONS CONTROLs

All Contractor and Sub-contractor on-highway and non-road diesel powered
construction equipment with engine horsepower (HP) ratings of 60 HP and
above, that are on the project for a period in excess of 30 consecutive
calendar days shall be retrofitted with Emission Control Devices and/or
use Clean Fuels in order to reduce diesel emissions. Regularly available
on-highway diesel fuel shall be utilized in all on-highway and non-road
diesel powered equipment that is not utilizing the specified Clean
Fuels.

In addition, all motor vehicles and/or construction equipment (both
on-highway and non-road) shall comply with all pertinent State and
Federal regulations relative to exhaust emission controls and safety.

The reduction of emissions of carbon monoxide (CO), hydrocarbons (HC),
nitrogen oxides (NOx), and particulate matter (PM~10~) will be
accomplished by installing Retrofit Emission Control Devices or by using
less polluting Clean Fuels.

The Retrofit Emission Control Devices shall consist of oxidation
catalysts, or similar retrofit equipment control technology that (1) is
included on the Environmental Protection Agency (EPA) *Verified Retrofit
Technology List* and (2) is verified by EPA or certified by the
manufacturer to provide a minimum emissions reduction of 20% PM~10~, 40%
CO, and 50% HC.

The Clean Fuels shall consist of low NOx and PM~10~ emission diesel fuel
that (1) can be used without engine modification, (2) is certified to
provide a minimum emissions reduction of 30% PM~10~ and 10% NOx when
compared to No. 2 Diesel Fuel, and (3) is included on the California Air
Research Board (CARB) Verification List.

Construction shall not proceed until the contractor submits a certified
list of the diesel powered construction equipment that will be
retrofitted with emission control devices or that will use Clean Fuels.
The list shall include (1) the equipment number, type, make, year and
contractor/sub-contractor name; (2) the emission control device make,
model and EPA verification number; and/or (3) the type and source of
fuel to be used.

The contractor shall submit monthly summary reports, updating the same
information stated above, and include certified copies of the clean fuel
delivery slips for the report time period, noting which vehicles
received the fuel. The addition or deletion of diesel equipment shall be
included on the monthly report.

The contractor shall establish truck-staging zones for vehicles that are
waiting to load or unload material at the contract area. Such zones
shall be located where the emissions from the trucks will have minimum
impact on abutters and the general public. Idling of delivery and/or
dump trucks, or other equipment shall not be permitted during periods of
non-active use, and it should be limited to three minutes in accordance
with the Regulations of Connecticut State Agencies Section
22a-174-18(b)(3)(c):

> No mobile source engine shall be allowed "to operate for more than
> three (3) consecutive minutes when the mobile source is not in motion,
> except as follows:
>
> \(i\) When a mobile source is forced to remain motionless because of
> traffic conditions or mechanical difficulties over which the operator
> has no control,
>
> \(ii\) When it is necessary to operate defrosting, heating or cooling
> equipment to ensure the safety or health of the driver or passengers,
>
> \(iii\) When it is necessary to operate auxiliary equipment that is
> located in or on the mobile source to accomplish the intended use of
> the mobile source,
>
> \(iv\) To bring the mobile source to the manufacturer's recommended
> operating temperature,
>
> \(v\) When the outdoor temperature is below twenty degrees Fahrenheit
> (20 degrees F),
>
> \(vi\) When the mobile source is undergoing maintenance that requires
> such mobile source be operated for more than three (3) consecutive
> minutes, or
>
> \(vii\) When a mobile source is in queue to be inspected by U.S.
> military personnel prior to gaining access to a U.S. military
> installation."

All work shall be conducted to ensure that no harmful effects are caused
to adjacent sensitive receptors. Sensitive receptors are to include but
not be limited to hospitals, schools, daycare facilities, elderly
housing and convalescent facilities. Exhaust from engines shall be
located away from fresh air intakes, air conditioners, and windows.

A Diesel Emissions Mitigation plan will be required for areas where
extensive work will be performed in close proximity (less than 50 feet
(15 meters)) to sensitive receptors. No work will proceed until a
sequence of construction and a Vehicle Emissions Mitigation plan is
submitted in writing to the Engineer for review and all comments are
addressed prior to the commencement of any extensive construction work
in close proximity (less than 50 feet (15 meters)) to sensitive
receptors. The mitigation plan must address the control of vehicle
emissions from all vehicles and construction equipment.

If any diesel powered construction equipment is found to be in
non-compliance with this specification, the contractor will be issued a
Notice of Non-Compliance and given a 24 hour period in which to bring
the equipment into compliance or remove it from the project. If the
contractor then does not comply with these "Diesel Vehicle Emissions
Controls", the Engineer shall withhold all payments for the work
performed on any item(s) on which the non-conforming equipment was
utilized for the time period in which the equipment was out of
compliance.

Any costs associated with this "Diesel Vehicle Emissions Controls"
notice shall be included in the general cost of the contract. In
addition, there shall be no time granted to the contractor for
compliance with this notice. The contractor's compliance with this
notice and any associated regulations shall not be grounds for claims as
outlined in Section 1.11 -- "Claims".