5 Attenuators Sepcifications.doc

Maine Department of Transportation

Bid Request

For

Maine Department of Transportation

Trailer Mounted Attenuator

SPECIFICATION PURPOSE & INTENT - GENERAL

The attached Specifications require providing all things necessary, or proper for, or incidental to the furnishing and delivery of the bid item (or items) and associated equipment to Fleet Service/M.D.O.T., Augusta. The aforementioned bid item shall be of heavy-duty design and construction for extreme service or application. All things not expressly mentioned in these Specifications, but involved in carrying out their intent, are required by these Specifications and the vendor shall perform the same as though they were specifically mentioned, described and delineated.

The bid item (or items) and all associated equipment shall be furnished complete and in readiness for use as required by the terms of these Specifications and in strict accordance therewith. The bid item (or items) and all equipment furnished shall be the manufacturer's current or 2007 listed and published stock model, or models which meet or exceed all the applicable requirements of these Specifications. All design, materials and workmanship shall in every respect be in accordance with the best current practices in the industry and all materials used shall be new.

The bid item or items shall be in full compliance with any and all Federal and State of Maine, rules, regulations or codes. Any and all bids or accessory items furnished by the vendor, distributor and/or manufacturer, shall be installed in accordance with the highest standards of the industry, full compliance of all applicable Federal and State of Maine rules, regulations or codes and must be completely inspected and serviced prior to delivery.

Fleet Service/M.D.O.T. reserves the right to expect replacement of any item, component or associated equipment from the vendor, distributor or manufacturer, at no cost to Fleet Service for failure to perform. Fleet Service also reserves the right to require training for operation or maintenance and repair where necessary at no additional cost.

All Warranties and Guarantees are to become effective the date the State of Maine places the bid item (or items) into service.

Since the continuous operation of the bid item (or items) as specified is of the utmost importance and sometimes of an emergency nature, it is necessary that the successful bidder be in a position to render prompt parts and if necessary, service. The successful bidder and subcontractor (if any) must maintain and/or have access to parts inventory within the State of Maine. The parts inventory shall be applicable to the bid item (or items) supplied to the State of Maine and must be of sufficient quantity and variety to offer a level of parts availability of 95% within 48 hours from time of order by MDOT. Availability of normally expendable items such as filters, belts, hydraulic lines and hoses shall not exceed 24 hours. Bidder shall attach a proposal program for parts and service availability for evaluation. Review of the bidder's ability to provide prompt parts and service will be a determining factor in the award of bid. Upon award of bid and before delivery of bid item (or items) MDOT must receive a complete list of parts containing part description, manufacturer's part number etc. for the entire item or items including any or all accessories which are supplied as part of the bid. This does not relieve the bidder from supplying parts manuals or repair manuals as required in the individual specification. The manufacturer’s manual must be supplied at time of bid.

During the term of the manufacturer's warranty Fleet Service reserves the right to perform any and all warranty work "in house" to meet operational needs or demands with the exception of major engine, transmission and axle rebuild or repair. Fleet Service will recover all parts and labor cost (labor time as allowed by manufacturer's rate manual Fleet Service standard labor rate at the time of repair) by billing the manufacturer and/or dealer. O.E.M. parts may be supplied at no cost by the manufacturer or dealer and will not be billed by Fleet Service, or may be purchased by Fleet Service on the open market to meet operational demands. Any and all defective parts will be returned to the manufacturer or dealer upon request. Additionally Fleet Service will perform no other paper work other than what is necessary for Fleet Service to track the cost of warranty repair through its own billing system. Manufacturers, dealers or vendors who are selected to any equipment, vehicles or accessories to Fleet Service, must place Fleet Service on a mailing list to provide warranty recalls and/or technical updates or service bulletins to the Fleet Manager’s Office of Fleet Service, 105 Capitol St., Station #26, Augusta, Maine 04333.

A paint code and/or name of brand, color and part number of paint must be supplied in order to match paint color.

Either before or after final acceptance any vehicle or equipment which does not meet these requirements may be rejected in whole or returned for correction at no cost.

Trailer Mount Attenuator Purpose and Intent These specifications describe a Trailer Mounted Attenuator (TMA) which is mounted on a trailer and attached to a shadow vehicle for purposes of protecting the work crew in front of the shadow vehicle and protecting the motorist that might drive into the lane closed off by the shadow vehicle. Trailer Mounted Attenuator (TMA) device shall be FHWA tested at 62.5 mph /100 km/hr for use on trucks needing high speed protection.

Item 1 Testing

1.1 Trailer mounted attenuator shall meet the National Cooperative Highway Research Program Report 350 (NCHRP) Level 3 requirements.

1.2 Trailer mounted attenuator shall be NCHRP 350 tested and approved for all mandatory and optional offset and angled impacts. When attached to a minimum 10, 000 lb host vehicle.

1.3 Bid submittals shall provide complete written documentation of FHWA & NCHRP 350 level 3 testing.

Item 2 Attachment Point

2.1 Attachment to host vehicle shall be a single attachment point, to a minimum 40,000 lb rated pintle hook.

2.2 Unit shall come equipped with a 2 ½” pintle eye and have the capability of vertical adjustment of seven inches.

2.2 Two (2) high tensile 1/4” minimum safety chains with slip hooks and safety latches.

2.3 Attachment of attenuator trailer shall require little or no modification to host vehicle.

2.4 Attenuator trailer shall have a heavy duty screw type parking jack with an 8,000 LB minimum static load weight capacity to hold trailer.

2.5 Anti-rotation system shall fit within a standard 34” x ½” thick end frame pintle hook mounting plate and hook to a single pintle hook connection. Anti-Rotation system shall not include any hydraulic systems or secondary / ancillary attachments to the host vehicle.

2.6 Anti-rotation system shall minimize attenuator trailer rotation during angled impacts and prevent trailer separation from host vehicle.

2.7 Attenuator trailer shall be of sufficient width as to provide a full lane width of protection, and prevent potential vehicle pocketing at the non-cushion support region.

Item 3 Attenuator Design

3.1 Attenuator shall be of a modular aluminum tube frame design with easily replaceable parts.

3.2 Aluminum tubing shall be of a minimum grade 6063 Aluminum T4.

3.3 Aluminum plate if used shall be of a minimum grade 5052 Aluminum 0.250” thickness.

3.4 Aluminum sheets if used shall be of a minimum grade 5052 Aluminum 0.062” thickness.

3.5 Energy absorbing cushions shall be of aluminum honeycomb design, in environmentally sealed aluminum containers. Honeycomb shall be of commercial grade with a cell size of no larger then 1” and no smaller than ½”.

3.6 Attenuator system shall be design to crush in progressive stages.

3.7 Energy absorbing cushions shall be powder coated with durable polyester power coat

3.8 Rear of the attenuator shall have diamond grade reflective tape in pattern per the Manual on Uniform Traffic Control Devices. The sides of the trailer shall have reflective tape in accordance with the National Highway Traffic Safety Administration.

3.9 Attenuator shall come complete with LED stop, turn, and marker lights mounted at the rear of the trailer.

3.10 All exterior trailer wiring to be run in suitable weather resistant loom or conduit which terminates in a weatherproof junction box on the tongue of the trailer. The trailer umbilical which leads to the truck light socket should terminate with a seven round prong female plug and begin at the weather tight junction box.

3.11 Exterior lighting to include marker lamps, stop and turn signals must be LED. Exterior light must conform to Federal Motor Carrier Safety Regulations part 393.17.

3.10 Attenuator shall have one axle at the rear most location possible to support the trailer. Wheels shall not protrude outside the frame or structure. Trailer must not show any visible signs of sway or bounce at highway speeds.

3.11 Attenuator axle shall have an integrated electric brake system for each wheel and become automatically activated in the event of trailer separation from host vehicle or hitch failure.

3.12 Attenuator axle shall have a steel or aluminum fender for each wheel.

3.13 All steel welds will be 100% inspected by the manufacture.

3.14 Attenuator shall come with a stationary mount capable of holding a 6 ft. wide x 4 ft. high lighted traffic arrow board.

Item 4 Warranty

4.1 Manufactures standard warranty will apply.

4.2 Please state terms and conditions of warranty with bid proposal.

4.3 Manufactures warranty will start at the in-service date.

Item 5 General

5.1 All paint and primer shall be lead free.

5.2 Each unit will be supplied with two (2) copies of the operator’s manual and two (2) copies each of parts and repair manuals.

5.3 Bidders are required to provide sufficient information with their bid, such as manufacturer’s brochures, etc. and to certify that they have service facilities in Maine, staffed with trained service technicians and stocked with repair parts for the equipment which is bid. Failure to provide this information may cause the bid to be rejected. The DOT reserves the right to reject any and all bids.

5.4 The unit must be designed and constructed for extreme or heavy duty use.

5.5 Upon delivery of unit or units all necessary paper work such as title, dealer’s certificate and invoices shall accompany unit or units.

5.6 Exceptions to specifications shall be listed in writing on a separate paper and noted as exceptions and submitted with bid proposal.

5.7 If exceptions are not listed as such it shall be considered that the vendor will comply with all specifications as listed.

5.8 All bid proposals will include shipping and delivery to Maine DOT Fleet Service, 105 Capitol St. Augusta Me. 04330

5.9 Maine D.O.T. reserves the right to pre-inspect the equipment before delivery.

Rev 4/08 dlh

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