ESBD_486436_1770061477536_5_Attachment G TA Specifications 550A2.3.pdf

IFB No. 304T-26-550A2.3

Attachment G Towable Attenuator Specifications

Specification No. 550-42-09

REVISED: January 2026

CPA – STATEWIDE PROCUREMENT

ATTACHMENT G TOWABLE ATTENUATOR SPECIFICATIONS

PART I

GENERAL CLAUSES AND CONDITIONS

1. The equipment furnished under this specification shall be the latest improved model in current production, as offered to commercial trade, and shall be of quality workmanship and material. The respondent represents that all equipment offered under this specification shall be new. USED, SHOPWORN, DEMONSTRATOR, PROTOTYPE, REMANUFACTURED, RECONDITIONED, OR DISCONTINUED

MODELS ARE NOT ACCEPTABLE.

2. All parts not specifically mentioned which are necessary for the unit to be complete and ready for operation or which are normally furnished as standard equipment shall be furnished by the contractor. All parts shall conform in strength, quality, and workmanship to the accepted standards of the industry.

3. The unit provided shall meet or exceed all DOT Federal and State of Texas safety, health, lighting and noise regulations and standards in effect and applicable to equipment furnished at the time of manufacture.

4. The unit provided shall meet or exceed all federal and State of Texas safety, health, lighting and noise regulations and standards in effect and applicable to equipment furnished at the time of manufacture.

5. It is the intent of CPA to purchase goods, equipment, and services having the least adverse environmental impact, within the constraints of statutory purchasing requirements, Customer need, availability, and sound economic considerations. Suggested changes and environmental enhancements for possible inclusion in future revisions of this specification are encouraged.

6. CPA encourages all manufacturers to comply voluntarily with the Society of Automotive Engineers (SAE)

Recommended Practice for marking of plastic parts per current SAE J1344 standard. All plastic components furnished to this specification should have an imprinted SAE symbol identifying the resin composition of the component so that the item can be recycled after its useful life. Manufacturers are encouraged to use recycled plastics and materials in the manufacture of their products in order to conserve natural resources, energy and landfill space. Respondents should note that future specification revisions may require mandatory compliance with the SAE plastic coding system.

PART II

SPECIFICATIONS

1. SCOPE: This specification describes a crash attenuator for trailer mounted or towable, cartridge type attenuator used for protecting personnel, equipment and the general public from injury and damage caused when errant vehicles crash into equipment used in highway operations.

• Referenced Manufacturer/Brand Model No. or CPA Approved Equal: TrafFix Devices, Inc.

Towable Attenuator Scorpion II or Verdegro Blade TTMA

2. TEST LEVEL III TOWABLE ATTENUATORS:

2.1 Dimensions

2.1.1. Length: Min 12 ft, Max 21 ft and 6 inches

Length

2.1.2. Width: Min 6 ft, Max 8 ft

Width

2.1.3. Height: Min 3 ft, Max 5 ft

Height

2.2 Capable of travelling at least: 65 mph

Max MPH

2.3 Material: Aluminum tubing/frame, plastic cartridges, steel brackets and fasteners ☐ Yes ☐ No

2.4 Weight: Max 2,600 lbs

Weight

2.5 Hitch: Pintle Style rated for 20 tons ☐ Yes ☐ No

2.6 JACK STAND: Trailer type unit shall have a drop leg type jack stand with foot, mounted in center forward position of trailer. The jack lift and static capacity shall meet or exceed the capacity of the trailer TA.

• Referenced Manufacturer/Brand Model No. or CPA Approved Equal:

BULLDOG P/N# 190754

☐ Yes ☐ No

3. ADDITIONAL ATTENUATOR SPECIFICATIONS:

3.1 Lighting

3.1.1. The rear of the crash attenuator shall be equipped with a red tail lamp, red stop lamp, turn indicator lamp and a red reflector on each side. These lamps and reflectors may be incorporated into a single unit on each side. All sealed lamps shall illuminate via the use of Light Emitting Diodes (LED) light source. A wiring harness shall be provided for connection of the crash attenuator lighting system to that of the vehicle on which the unit is mounted. All wires shall be protected by a replaceable fuse and be color coded or otherwise identified and shall extend the full length of the mounting hardware with enough additional length to enable CPA or Customer personnel to install a plug compatible with the receptacle on the supporting vehicle. The lighting arrangement on the crash attenuator shall be in accordance with Texas Motor Vehicle Laws.

3.1.2. In addition to the lighting arrangement referenced in Part II, Para. 3.1.1, the rear of the crash shall be equipped with the following LED assemblies mounted one on each side as close to the outer and upper edges as possible. Wiring for the LEDs shall be incorporated in the wiring harness referenced in Part II, Para. 3.1.1. A separate wiring harness shall be incorporated into a single unit and with lights referenced in Part II, Para.

in 3.1.2.1 and 3.1.2.2. A separate wiring harness shall be provided for the light referenced in Part II, Para. 3.1.2.3.

☐ Yes ☐ No

3.1.2.1. Quantity of four auxiliary LED lights with programmable flash patterns and can synchronize with other lights. Color shall be amber to include mounting hardware. LED light must meet current Class I SAE J595.

• Referenced Manufacturer/Brand Model No. or CPA Approved Equal: Vera Star

DLX3A LED

☐ Yes ☐ No

3.1.2.2. Quantity of one 6-inch oval LED flashing amber light, mounted curbside to include rubber grommet and “L” style bracket. LED light must meet current Class I SAE

J595.

Referenced Manufacturers/Brands Model Numbers or CPA Approved Equal:

• LED Light: Star DLXTHU-4-A

• “L” bracket: Prima Tronics PT6000BK

• Grommet: Prima Tronics PT6000G

☐ Yes ☐ No

3.1.2.3. Quantity of one 6-inch oval LED flashing blue light, mounted streetside to include rubber grommet and “L” style bracket. LED light must meet current Class I SAE J595.

Referenced Manufacturers/Brands Model Numbers or CPA Approved Equal:

• LED Light: Star DLXTHU-4-B

• “L” bracket: Prima Tronics PT6000BK

• Grommet : Prima Tronics PT6000G

☐ Yes ☐ No

3.1.2.4. Reference Illustration A and B for placement of lights referenced in Part II, Para.

3.1.2.

ILLUSTRATION A

ILLUSTRATION B

3.2 Safety Plaques or Decals

3.2.1. Product safety plaques or decals shall be furnished and affixed at the operator's station and at any hazardous area. The safety plaques or decals shall describe the nature of the hazard, level of hazard seriousness, how to avoid the hazard, and the consequence of human interaction with the hazard. Permanent plaques are preferred to decals. Type, size and location of product safety plaques or decals shall be in accordance with current

ANSI Z535.4 standard. Safety plaques and decals shall not fade or wear out.

3.2.2. A permanent lubrication plaque shall be furnished and visible from the outside of the unit. The plaque shall note all lubrication points and recommended periodic oil changes and lubrication intervals.

3.2.3 Each side of TMA shall be labeled as to level and vehicle impact speed.

3.3 Painting

3.3.1. The unit shall be painted an approved manufacturer's standard color except for glass, rubber and those metallic accessories or fixtures constructed of rust-resistant or plated material not normally painted. Lead paint is not acceptable.

3.4 Chevrons

3.4.1. The entire rear portion of the attenuator shall be equipped with alternating

AASHTO M268 - TY D – reflectorized fluorescent yellow-green and florescent orange, inverted V-shaped chevron stripes. Each stripe shall be 8 inches wide, to provide maximum visibility for the traveling public. Reference Illustration A and B in Section

3.1.2.4 above.

3.4.2. In addition to the stripes required in Paragraph 3.4.1 above, the rear portion of the attenuator when in the vertical stowed position, shall also be equipped with

AASHTO M268 - TY D reflectorized florescent yellow-green and florescent orange, inverted V-shaped chevron stripes. The size of the striped area of the TMA in this position shall be as a minimum, the same size as the striped area while in the operating position. This striped area shall be located at the lower portion of the TMA.

Reference illustration B in Section 3.1.2.4 above.

Approved Products:

• Diamond Grade Series, Florescent Yellow-Green: 3M Company 4083

• Diamond Grade Series, Florescent Orange:3M Company 4084

• OmniCube Full Cube Prismatic, Florescent Yellow-Green: Avery Dennison T-

11514

• OmniCube Full Cube Prismatic, Fluorescent Orange: Avery Dennison W-

11514

• Oralite Brilliant Grade Prismatic, Fluorescent Yellow-Green: Orafol 9900 029

• Oralite Brilliant Grade Prismatic, Fluorescent Orange: Orafol 9900 038

3.4.3. Sides of TMA shall be marked with reflective sheeting confirming to DOT-C2 standards. If necessary to clear rivet heads or other similar obstructions, grade DOT-C2 retro-reflective sheeting may be separated into two each one-inch-wide strips of the same length and color, separated by a space of not more than 1 inch.

DOT-C2 Approved Products:

• 3M Company

• Avery Dennison

• Orofol

4. Sign Brackets: Attenuators shall come equipped with aluminum sign mounting points. These mounting points may be 1” PSST or similar material. Mounting points shall not interfere with or obscure the arrow board panel. The mounting points shall allow for CPA approved aluminum traffic warning signs to be attached to the attenuator via standard size steel nuts and bolts.

☐ Yes ☐ No

5. Arrow Boards

5.1. Arrow boards shall be a Type C flashing sign panel, powered via truck, electrically lighted 25 lamps, trailer mounted and meet the Texas Manual on Uniform Traffic

Control Devices (TMUTCD) requirements. The unit will be used to alert drivers of the presences of work zones or of a hazard ahead and for channeling vehicles into clear lanes. All components shall be mounted on a trailer suitable for safe towing at highway speeds up to 70 MPH in the stowed position and 35 MPH in the deployed position.

Units exhibiting fishtailing of other anomalies when in tow will be rejected. Units furnished to this specification shall meet or exceed the following requirements (5.1.1.

and 5.1.2.):

☐ Yes ☐ No

5.1.1. TEXAS MANUAL ON UNIFORM TRAFFIC CONTROL DEVICES

EXCERPT (TMUTCD): Sign shall meet requirements of Section 6F.61 Arrow

Boards, and any other applicable sections in the latest revision of the Texas Manual on Uniform Traffic Control Devices.

https://ftp.txdot.gov/pub/txdot-info/trf/tmutcd/2011-rev-2/6.pdf

☐ Yes ☐ No

5.1.2. PHOTOMETRIC TEST OF PORTABLE CHANGEABLE MESSAGE

BOARDS AND ARROW BOARDS: Sign shall meet the requirements of TxDOT Test

Procedure: TEX-880-B, Reference https://ftp.dot.state.tx.us/pub/txdot-info/cst/TMS/800-B_series/pdfs/ctm880.pdf

☐ Yes ☐ No https://ftp.txdot.gov/pub/txdot-info/trf/tmutcd/2011-rev-2/6.pdf https://ftp.dot.state.tx.us/pub/txdot-info/cst/TMS/800-B_series/pdfs/ctm880.pdf https://ftp.dot.state.tx.us/pub/txdot-info/cst/TMS/800-B_series/pdfs/ctm880.pdf

5.2. Arrow Board Panel: The arrow board panel shall be constructed of aluminum alloy panels with reinforced edges, aluminum inner ribbing, and rubber grommets to prevent punching of panel face or back of arrow board. The arrow board panel shall be completed weather resistant, permanently painted or coated with a flat black finish, rectangular in shape, minimum 96 inches wide and 48 inches high. The sign panel shall be equipped with the following:

☐ Yes ☐ No

Width

Height

5.2.1. Shall contain a minimum of Twenty-Five (25) light emitting diode (LED) assemblies (hereafter referred to as lamps) in the panel of the most recent technology to form the shaft and arrowhead design or the sequential chevrons design. Reference

Illustration D.

5.2.1.1. ILLUSTRATION D

5.2.2. Lamps must appear to be yellow in color. The yellow shall fit the Commission

International Illumination (CIE) color box to be perceived as yellow.

☐ Yes ☐ No

5.2.3. Lamp size shall be either Par 36 or Par 46. ☐ Yes ☐ No

5.2.4. Lamps shall be screw type or push-on type. If push-on type lamps are furnished, there shall be a means to secure the lamps and wiring leads to the sign to prevent separation due to vibration during travel or operation.

5.2.5. Lamps shall be equipped with a minimum 180-degree upper hood or visor. Hood or visor shall extend a minimum of 4 inches past the front of the lamps on units designed without recessed lamps. On units designed with recessed lamps, the lamps shall be recessed a minimum of 4 inches. Lamps shall be field replaceable and arranged in the configurations as detailed in Figure 6F-6 TMUTCD, Part V6, Page 6F-26. Lamps shall be in an adjusted configuration if a 25 light arrow board is specified on the solicitation.

5.2.6. Mode indicator lamps on the reverse side of the panel to indicate that the sign is operating, and which arrow is being displayed.

5.2.7. Lamp intensity shall be such that on a clear night or sunny day, a driver shall be able to visibly recognize a legible flashing arrow from a minimum distance of 1 mile.

Minimum dimming shall be 50 percent of the full-rated lamp voltage. Lamps shall flash at a rate not less than 25 or more than 40 flashes per minute, with a minimum lamp “on time” of 50 percent of the cycle for the flashing mode, and equal intervals of 25 percent for each sequential phase. Arrow board displays shall include:

5.2.7.1. Left arrow (five lamps per arrowhead). ☐ Yes ☐ No

5.2.7.2. Right arrow (five lamps per arrowhead). ☐ Yes ☐ No

5.2.7.3. Double arrow. ☐ Yes ☐ No

5.2.7.4. Four corner signal. ☐ Yes ☐ No

5.2.8. Arrow Board Mounting: Attenuator shall include all mounting hardware to mount the unit on the attenuator. Attenuator shall include an electrical lift mechanism to raise and lower the arrow board. The units shall be designed so that the attached tow vehicle batteries provide power to the lift mechanism and the lift mechanism be operated via a wireless remote control. Mounted arrow boards must be capable of two position adjustments as follows:

5.2.8.1. Position 1: Stowed. Arrow board is horizontal in orientation and minimizes profile for wind displacement at traveling speeds.

☐ Yes ☐ No

5.2.8.2. Position 2: Deployed. Arrow board is vertical in orientation and visible to the traveling public during traffic operations.

6. Manual(s): Original manual(s) in electronic format shall be delivered with the unit.

Manuals shall include:

☐ Yes ☐ No

6.1. An illustrated parts list(s) coving all components of the unit identifying parts by part number, description, and component location ☐ Yes ☐ No

6.2. Hydraulic schematics ☐ Yes ☐ No

6.3. Electrical schematics ☐ Yes ☐ No

6.4. All necessary operating instructions and maintenance procedures for the unit and engine(s) ☐ Yes ☐ No

6.5. The following additional information (6.5.1. and 6.5.2.) shall be provided by the contractor at time of delivery if not included in the manual required above.

6.5.1. Manufacturer’s recommended service and preventive maintenance intervals ☐ Yes ☐ No

6.5.2. Recommended fluids, lubricants and their SAE or API equivalents ☐ Yes ☐ No

7. Overhaul and Technical Manuals: One complete electronic set of specialized major overhaul and technical manuals shall be provided at time of delivery.

☐ Yes ☐ No

8. Instruction on Safety, Operation and Preventative Maintenance: The contractor shall provide the services of a competent factory trained technician thoroughly trained in the use and operation of the unit to CPA or Customer a minimum four hours instruction on safety, operation and preventive maintenance of the unit. Additional four hours of operator training shall be provided to CPA or Customer upon request during the warranty period. The service shall be provided after the unit has been delivered and is ready for operation but prior to payment.

Part III

Warranty

1. Warranty: The unit shall be warranted against defects in material and workmanship for a period of not less than 12 months and shall cover 100% parts and labor for the unit. If the manufacturer's standard warranty period exceeds 12 months, then the standard warranty period shall be in effect. The contractor shall furnish the manufacturer's warranty to the receiving district at time of delivery. The contractor shall be ultimately responsible for the warranty. The warranty begins on the date the unit is determined to meet specifications and accepted into CPA or Customer’s fleet.

Warranty Period

2. Parts and Service: The manufacturer of the equipment furnished shall have an authorized dealer within the state of Texas or factory trained personnel available for warranty repairs and the performance of service within 72 hours after notification by

CPA or the Customer. The authorized dealer shall have factory-trained personnel available for warranty repairs and the performance of service. The dealer shall also maintain an inventory of high-usage parts and a quick source for low usage parts.