QUESTION ANSWERS - W50S9H26QA043.pdf

W50S9H26QA043 Skid‐Mounted Airϐield Liquid De‐Icing System

QUESTIONS & ANSWERS

Host Vehicle and Dump Body

The photograph package appears to show multiple dump-body con igurations. Is the footprint provided in the spec sheet the maximum available lat space available?

Yes – Single axel 82” Wide x 118” Long

Please provide the designated vehicles:

o GVWR – 33k lbs.

o Dump-body payload rating – 20,100 lbs. capacity

Please identify the approved methods for attaching the loading guides, trunnion-latch receivers, and tie-down points to the government-owned dump body. Is drilling, bolting, or welding to the dump body permitted?

Lock-in tailgate & large ratchet straps

Self‐Loading and Securement System

4. Must the self-loading leg system support the skid with the tank full, partially full, or completely drained? Completely Drained

5. Please con irm the intended self-loading procedure, including:

o Whether the dump body may be tilted to pick up and unload the skid - No o Whether loading and unloading must be performed by one person - No o Whether the system must stand independently for extended seasonal storage

- Yes o The anticipated storage surface, such as level concrete, asphalt, gravel, or uneven ground – Any level surface o Whether the loading legs must remain attached, fold against the skid, or be removable and stored separately during operation. Fold against the skid

6. Does the Government require stamped engineering, third-party certi ication, proof-load testing, or documented structural calculations for the loading legs, trunnion latches, skid frame, or DOT-rated tie-down system? Please identify any required design loads or certi ication standards beyond applicable DOT cargo-securement requirements. No.

Tank, Liquid, and Materials

7. Please identify the liquid de-icing product that will be used, including:

o Product name or chemical composition – Potassium Acetate

8. Does the 900-gallon requirement refer to nominal tank capacity or minimum usable working capacity below the over low and required expansion space? Minimum usable working capacity

9. The speci ications require the structural frame, skid, and supports to be stainless steel but do not expressly identify the tank material. Please con irm: Poly tank

Whether a chemical-compatible polyethylene tank is acceptable Yes

Whether internal baf le balls or another removable internal anti-slosh system are acceptable Not needed

Whether a fabricated stainless-steel tank is required No, Poly tank.

Whether a speci ic stainless inish, weld-cleaning process, pickling, or passivation is required No

10. Is there a maximum allowable empty skid weight, loaded skid weight, or required center-of-gravity location beyond the stated requirement to remain within the host vehicle’s GVWR and axle ratings? Will a certi ied loaded axle-weight ticket be required for acceptance? No

11. Please identify any required or preferred:

Tank ill-connection size and type Overhead dump hose ill port

Available ill-system connection and low rate Minimum 1 ½”, ill connection located within 1 foot of bottom of tank.

Vent con iguration N/A

Drain connection Low point tank drain

Tank level indicator Clear tube

Cleanout or inspection opening Top ill cover

Over low-routing location N/A

Spray Performance and Plumbing

12. Please provide the required operating performance, including:

Minimum and maximum application rate 40 to 50 gallons per mile

Preferred units, such as gallons per lane-mile or gallons per square foot. Gallons per lane-mile

Maximum vehicle speed during application 25-30mph

Required low-rate range 40-50 gallons per mile

Required application accuracy 4-6” per nozzle

Intended widths of the left, center, and right zones 30-33 feet total

Whether the full 30-foot coverage must be achieved at the maximum application rate and vehicle speed yes

Any required spray-pattern uniformity or overlap criteria. Uniformity

13. Please clarify the desired spray-boom con iguration:

Fixed, folding, retractable, removable, or contractor-selected. Fixed

Maximum allowable transport width inside overall width of truck

Required boom height or adjustment range N/A

Whether the 30-foot requirement refers to the physical boom width or the resulting spray-pattern width. Spray Pattern Wideth

Whether any individual nozzles must be independently adjustable or shut off.

Independently Adjustable

Whether the boom must include breakaway protection No

14. Please provide any minimum requirements for the hose reel and utility spray wand, including:

Hose length 100 Feet

Hose inside diameter 5/8”

Manual, or spring hose reel. Manual

Adjustable spray pattern No, garden hose connection

Power, Controls, and Electrical Integration

15. Although the speci ications allow an electric or fuel-powered motor, please con irm:

Whether gasoline and diesel engines are both acceptable. Gasoline

Whether there are air ield restrictions on fuel type, fuel-tank capacity, emissions, or engine operation No

Whether the power plant must be started and stopped from the in-cab controller Yes

The required minimum cold-start temperature 0 degrees F

Any minimum operating-runtime requirement between refueling 1 Hour

16. Please provide the host vehicle’s electrical voltage (12V) and available accessory current. Please also identify any restrictions regarding:

Cab-controller mounting location No

Drilling into the dashboard or cab No

Firewall penetrations No

Direct battery connections No

Installation of an auxiliary battery No

17. Please clarify the required application-control functions:

Is automatic ground-speed-compensated rate control required, or is there a GPS module we can tie into? No

Will GPS-based vehicle-speed input be acceptable? No

Is closed-loop control using the inline low meter required? No

Is a cumulative onboard totalizer suf icient to “record” application volumes? Yes

Are downloadable, time-stamped, GPS-referenced, or route-speci ic application records required? No

If electronic records are required, what ile format and data-retention period are expected? N/A

Delivery, Installation, Testing, and Acceptance

18. Will Volk Field provide the speci ied de-icing liquid for inal calibration and acceptance testing? If not, may water or another substitute test luid be used for functional testing and calibration?

Yes – Water would be acceptable

19. Please provide the required acceptance-test criteria, including any required:

Tank-capacity veri ication No

Tank or plumbing leak test Yes

Pump low and pressure test Yes

Flow-meter calibration Yes

Spray-pattern or coverage test Yes

Application-rate accuracy test Yes

Loading and unloading demonstration Yes

Tie-down or latch inspection Yes

20. Please identify the installation conditions and Government-furnished support available at Volk Field, including:

Indoor or outdoor work area Yes both

Water or test- luid supply. Water

Forklift Yes

Permitted workdays and working hours M-F 0730-1500

Base-access, badging, security, insurance, or vehicle-inspection requirements Escort will take place for delivery.

21. Please identify the anticipated number of personnel requiring training and any minimum training duration. May the contractor provide one combined onsite operator and maintenance session, supported by the required physical and digital manuals? 7 personnel, yes one combined session is preferred.

Documentation, Warranty, and Additional Standards

22. For the one-year comprehensive warranty, please clarify:

Required response time after noti ication 24 hours

Whether contractor travel and freight must be included Yes

Whether pumps, low meters, controllers, engines, valves, nozzles, hoses, and other purchased components must all be covered by the contractor’s warranty Yes

23. Please identify any additional FAA, Department of the Air Force, Air National Guard, Wisconsin DOT, military, environmental, electrical, safety, or air ield-equipment standards that apply but are not expressly listed in the solicitation. N/A