ESBD_445161_1755019124099_5_Attachment G Attenuator, Crash, Truck Mounted, Towable, Level III_304T-26-550A2.2 Traffic Control Devices.pdf

IFB No. 304T-26-550A2.2 Specification No. 550-42-09 REVISED: July 2025

CPA – Statewide Procurement

ATTACHMENT G ATTENUATOR, CRASH, TRUCK MOUNTED & TOWABLE, LEVEL III, FOLDING CARTRIDGE TYPE

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 vendor. 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 or Customer to purchase goods, equipment, and services having the least adverse environmental impact, within the constraints of statutory purchasing requirements, CPA or Customer need, availability, and sound economical considerations.

Suggested changes and environmental enhancements for possible inclusion in future revisions of this specification are encouraged.

6. CPA or Customer 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, folding cartridge type, for truck mounting, used for protecting personnel, equipment and the general public from injury and damage caused when errant vehicles crash into equipment used in highway operations. A unit furnished to this specification shall meet or exceed the following requirements.

REVISED: July 2025

2. TEST LEVEL III TRUCK MOUNTED ATTENUATORS:

2.1. Dimensions

2.1.1. Length Stored: Max 8 ft

2.1.2. Length Deployed: Min 8 ft

3.1.2.1 Attenuator shall not dip or make contact with

the ground, or unbalance the operating vehicle

2.1.3. Width: Min 6 ft, Max 9 ft

2.1.4. Height Stored: Min ground clearance 3 ft, Max

overhead height 14 ft

2.1.5. Height Deployed: Min ground clearance 3 ft, Max 5 ft

2.2. Speed Limit: Max 50 mph deployed

2.3. Material: Aluminum tubing, plastic cartridges, and steel brackets and fasteners.

2.4. Weight: Max 2,600 lbs

2.5. MOUNTING HARDWARE AND FASTNERS: Mounting hardware

and fasteners shall be constructed of steel or aluminum and be designed for mounting to a single rear axle, standard production 24,000 pounds Gross Vehicle Weight (GVW) truck. Hardware utilized shall not have dissimilar metal compatibility.

2.6. CHASSIS REQUIREMENTS: Vendor shall disclose with their

response, or within 10 days of request, all special parameter and vehicle configuration requirements necessary for the TMA to mount on all types of trucks with platform, dump, and other body styles.

2.7. SELF-CONTAINED HYDRAULIC OR ELECTRO-MECHANICAL TILT:

The unit shall be equipped with a self-contained tilt feature powered by a replaceable fuse-protected link to the 12 volt vehicle electrical system that will allow the rear of the device to be lifted 90 degrees from horizontal to vertical (or 180 degrees if so applicable to the make and model). The manual or hydraulic locking system shall be designed to allow routine locking of the unit in a maximum of 3 minutes.

2.8. LIFT CONTROLS: Lift controls shall have a minimum cable length of 24 feet, to allow operation from the cab. The controls for activating lift operations shall be capable of being located in the truck cab, convenient to driver, and at the right rear corner of the truck, to allow the operator to raise the unit to its full 90 degree tilt position (or 180 degrees as applicable for the make and model) and manually or hydraulically lock the unit in position with a minimum of one locking pin or other mechanical locking device.

Stored Length

Deployed Length

Width

Stored Height

Deployed Height

Max Deployed Limit

Weight

YES

NO

NO

YES

NOYES

NOYES

REVISED: July 2025

2.9. QUICK ATTACH AND DETACH MOUNTING: Vendor shall provide

an attenuator assembly, including mounting brackets and hydraulics, which may be routinely removed from the supporting truck’s mounting plate, within 15 minutes. Any remaining mounting hardware and components shall be completely under the truck body or frame so that when the unit is removed from a dump truck, the full dump capabilities are unaffected. Vendor shall describe with the response, or within 10 days from request, how the unit meets requirements.

2.10. LEVELING STANDS: The front of the unit shall be equipped with at least two adjustable metal caster-wheeled leveling stands to assist in mounting of the unit. At least two casters wheeled, retractable, leveling stands shall be located at the rear of the unit for portability purposes when unit is not mounted.

3. TEST LEVEL III TOWABLE ATTENUATORS:

3.1. Dimensions

3.1.1. Length: Min 12 ft, Max 21.5 ft

3.1.2. Width: Min 6 ft, Max 7.5 ft

3.1.3. Height: Min 3 ft, Max 5 ft

3.2. Speed Limit: Max 65 mph stored

3.3.

3.4.

3.5.

3.6.

Material: Aluminum tubing/fram, plastic cartridges, steel brackets and fasteners.

Weight: Max 2,600 lbs

Hitch: Pintle Style rated for 20 tons

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.

Reference Model BULLDOG P/N# 190754 or CPA or Customer Approved Equal

NOYES

NOYES

NOYES

NOYES

NOYES

Length

Width

Height

Max Stored Limit

Weight

REVISED: July 2025

4. ADDITIONAL ATTENUATOR SPECIFICATIONS:

4.1. LIGHTING

4.1.1. 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.

4.1.2. In addition to the lighting arrangement referenced in

Part II, Para. 4.1.1, the rear of the crash attenuator (in the down position) 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. 4.1.1. A separate wiring harness shall be incorporated into a single unit and with lights referenced in Part II, Para. in 4.1.2.1 and

4.1.2.2. A separate wiring harness shall be provided for

the light referenced in in Part II, Para. 4.1.2.3.

4.1.2.1 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 Brand Vera Star DLX3A LED or CPA or Customer approved equal

4.1.2.2 Quantity of one 6 inch oval LED flashing

amber light to include rubber grommet and “L” style bracket. LED light must meet current Class I SAE J595..

NOYES

NOYES

REVISED: July 2025

Referenced Brand Star DLXTHU-4-A or CPA or Customer approved equal

“L” bracket Example Prima Tronics PT6000BK or CPA or Customer approved equal

Grommet Example Prima Tronics PT6000G or CPA or Customer approved equal

4.1.2.3 Quantity of one 6 inch oval LED flashing blue

light to include rubber grommet and “L” style bracket. LED light must meet current Class I

SAE J595.

Referenced Brand Star DLXTHU-4-B or CPA or Customer approved equal

“L” bracket Example Prima Tronics PT6000BK or CPA or Customer approved equal

Grommet Example Prima Tronics PT6000G or CPA or Customer approved equal

4.1.2.4 Reference Illustration A, and B for placement

of lights referenced in Part II, Para. 4.1.2.4 below.

ILLUSTRATION A

ILLUSTRATION B

REVISED: July 2025

4.2. SAFETY PLAQUES OR DECALS:

4.2.1. 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.

4.2.2. 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.

4.2.3. Each side of TMA shall be labeled as to level

and vehicle impact speed.

4.3. PAINTING:

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.

4.4. CHEVRONS:

4.4.1. The entire rear portion of the attenuator when in the

horizontal operating position shall be equipped with alternating AASHTO M268 - TY D – reflectorize 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 4.1.2.4 above.

4.4.2. In addition to the stripes required in Paragraph 4.4.1 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 4.1.2.4 above.

NOYES

NOYES

NOYES

NOYES

REVISED: July 2025

4.4.3.

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

4.4.4. 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

5. 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 arrowboard panel. The mounting points shall allow for TxDOT approved aluminum traffic warning signs to be attached to the attenuator via standard size steel nuts and bolts.

6. ARROW BOARDS:

6.1. Type C flashing arrow board sign panel, powered via truck, electrically lighted 25 lamps, trailer mounted meeting 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. The unit shall consist of an electrically lighted flashing arrow sign panel. 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:

6.1.1. 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.

NOYES

NOYES

REVISED: July 2025 https://ftp.txdot.gov/pub/txdot-info/trf/tmutcd/2011-rev-2/6.pdf

6.1.2. PHOTOMETRIC TEST OF PORTABLE CHANGEABLE

MESSAGE BOARDS AND ARROW BOARDS: Sign stall 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

6.2. DESIGN: The unit shall be designed so that the attached truck batteries operate the sign panel and the panel be operated from the inside of the tow vehicle.

6.3. ARROWBOARD PANEL: The arrowboard 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. Arrowboard 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:

6.3.1. 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.

6.3.1.1 ILLUSTRATION D

6.3.2. Lamps must appear to be yellow in color. The yellow

shall fit the Commission International Illumination (CIE) color box to be perceived as yellow.

6.3.3. Lamp size shall be either Par 36 or Par 46.

6.3.4. Lamps shall be screw type or push-on type. If push-on

type lamps are furnished, there shall be a means to

NOYES

NOYES

NOYES

NOYES

NOYES

REVISED: July 2025 secure the lamps and wiring leads to the sign to prevent separation due to vibration during travel or operation.

6.3.5. 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.

6.3.6. Mode indicator lamps on the reverse side of the panel

to indicate that the sign is operating, and which arrow is being displayed.

6.3.7. 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:

6.3.7.1

6.3.7.2

6.3.7.3

6.3.7.4

Left arrow (five lamps per arrowhead).

Right arrow (five lamps per arrowhead).

Double arrow.

Four corner signal.

6.3.8. ARROWBOARD MOUNTING: Attenuator shall include all

mounting hardware to mount the unit on the attenuator. Arrowboards shall include a vertical hydraulic lift mechanism to raise and lower the unit when mounted on a Truck Mounted Attenuator (TMA).

Operation of hydraulic powered lift shall be via an in-cab or externally mounted controller. Mounted arrow boards must be capable of two position adjustments as follows:

6.3.8.1 Position 1: Stowed. Arrow board is horizontal

in orientation and minimizes profile for wind displacement at traveling speeds.

6.3.8.2 Position 2: Deployed. Arrow board is vertical in

orientation and visible to the traveling public during traffic operations.

7. MANUAL(S): Original manual(s) in electronic format shall be delivered with the unit. Manuals shall include:

NOYES

NOYES

NOYES

NOYES

NOYES NOYES

NOYES

NOYES

NOYES

REVISED: July 2025

7.1. An illustrated parts list(s) coving all components of the unit identifying parts by part number, description, and component location

7.2. Hydraulic schematics

7.3. Electrical schematics

7.4. All necessary operating instructions and maintenance

procedures for the unit and engine(s)

7.5. The following additional information shall be provided by the vendor at time of delivery if not included in the manual required above.

7.5.1. Manufacturer’s recommended service and

preventive maintenance intervals

7.5.2. Recommended fluids, lubricants and their SAE

or API equivalents

8. OVERHAUL AND TECHNICAL MANUALS: One complete electronic set of specialized major overhaul and technical manuals shall be provided at time of delivery.

9. INSTRUCTION ON SAFETY, OPERATION AND PREVENTIVE

MAINTENANCE: The vendor 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

OPTIONAL EQUIPMENT

OPTION NO. 1: ADDITIONAL EMERGENCY LIGHTING: The following additional emergency lighting shall be provided with and mounted to attenuator device.

1.1 Arrow Board light bar located on arrow board upright. Activated by strobe light switch in cab. The light bar shall be between thirty-three (33) and thirty-six

(36) inches in length, containing a minimum seventy-two (72) 3 to 5 watt LEDs, alternating amber and blue in color. Shall contain various flash patterns. See Illustration “C”.

Reference Brand

33” Razor Extreme LED light Bar (33RZREXTR) or CPA or customer approved equal K-Force 36 TIR Full Sized LED Light Bar (F-TKF36) or CPA or customer approved equal

NOYES

NOYES

NOYES

NOYES

NOYES

NOYES

NOYES

NOYES

REVISED: July 2025

Illustration C

1.2 Four (4) mid-point deployment strobe lights mounted to flat “L” brackets and activated by down/up switch that function only while TMA is in motion.

Two (2) amber colored units mounted curbside and two (2) blue colored units mounted streetside. Each unit shall be 3-5 inches, containing four (4) LEDs. Shall contain various flash patterns. See Illustrations “D.1” and “D.2”.

Reference Brand

ECCO ED3704-A and ECCO ED3704-B or CPA or customer approved equal Elemental 4 TIR LED Grille & Surface Mount Strobe Light or CPA or customer approved equal

Illustration D.1 Illustration D.2

REVISED: July 2025

1.3 Mid-point deployment strobe light stick located on bottom middle rear of TMA, activated by up/down switch that function only while TMA is in motion. The Light Stick shall be thirty-eight (38) to forty (40) inches in length, containing eight (8) segments, with 4 to 6 LEDs per segment.

Four (4) curbside segments shall be amber in color and four (4) streetside segments shall be blue in color. Shall contain various flash patterns. See Illustration “E”.

Reference Brand

Solarblast 38”32W LED strobe deck light, (SBLS84-AB) or CPA or customer approved equal Lynx L6-8 Linear Interior/Exterior LED Light Bar or CPA or customer approved equal

Illustration E

1.4 Rear TMA module A light stick activated by strobe light switch in cab. See Illustration “F”. The light stick shall be forty-seven (47) inches in length, containing eight (8) to ten (10) segments with four (4) to six (6) LEDs per segment. Curbside segments shall be amber in color and streetside segments shall be blue in color. Shall contain various flash patterns.

Reference Brand

Solarblast 47” LED strobe traffic advisor, (SBLS104-AM) or CPA or customer approved equal.

Tracer 47 TIR LED Full Sized Light Bar or CPA or customer approved equal.

REVISED: July 2025

Illustration F

1.5 Rear TMA module A Two (2) mounted mini-lightbars activated by strobe light switch in cab. Each unit shall be twelve (12) to thirteen (13) inches in length with 360-degree lighting containing twenty-two (22) to thirty-two

(32) LEDs. LEDs shall be amber and blue in color with alternating colors per segment. Each unit shall contain various flash patterns. See Illustration “G”.

Reference Brand

13” Razor Extreme Mini LED Light Bar (13RZREXTR) without mounting feet or CPA or customer approved equal Mirage 12 TIR LED Mini Light Bar or CPA or customer approved equal

Illustration G

REVISED: July 2025

PART IV

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 vendor shall furnish the manufacturer's warranty to the receiving district at time of delivery. The vendor 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.

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.

Warranty