Salient Characteristics - Sludge Truck.pdf
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- Solicitation number
- PANMCC26P0000049936
About this file
This document is a Salient Characteristics specification for a dual-compartment waste fluid collection vehicle built on a heavy-duty vocational chassis. The vehicle must be constructed on a newer model year severe-duty chassis with a Gross Vehicle Weight Rating between 52,000 and 60,000 lbs, featuring front axle capacity of 18,000-20,000 lbs and rear tandem axle capacity of 40,000-44,000 lbs. The chassis must be equipped with a severe-duty inline-6 turbo diesel engine producing 330-370 HP, a 6-speed automatic transmission with PTO provision, air-ride cab mounting, dual heated/powered mirrors, air-ride driver seat, backup alarm, integrated wireless/USB connectivity, and a minimum 70-gallon aluminum fuel tank.
The cargo tank must provide 3,500-4,000 total U.S. gallons in a dual-compartment configuration: a front compartment of 2,700-2,900 gallons for waste oil and a rear compartment of 800-1,000 gallons for glycol/antifreeze. The tank shall be constructed to DOT 406 specifications using minimum 1/4-inch marine-grade aluminum with 100% continuously welded heads and bulkheads. The tank must include a minimum of two 1/4-inch transverse baffles and one full-length 1/4-inch longitudinal anti-surge bulkhead, dual full-length U-shaped aluminum subframe channels with two front spring-mounted and four rear solid-mounted tie-downs, and minimum two 20-inch manways with 10-inch lockable inspection hatches, full-length slip-resistant walkway, and integrated front ladder with safety platform.
The dual-fluid distribution system requires a PTO-driven positive displacement rotary gear pump with minimum 3-inch inlet/outlet connections and a 5-function, 2-compartment manifold capable of loading via filtration, pressurized unloading, gravity discharge, external fluid transfer, and cross-compartment transfer. The system must incorporate two 3-inch air-operated internal safety valves, integrated high-capacity filtration with minimum 8-gallon reservoir and 1/8-inch perforated removable filter basket (with spare), weather-tight exterior control panel with pump switches, manual valve controls with safety tags, and dual liquid-filled pressure-vacuum gauges with permanent operational plumbing schematic placard.
Advanced electronic safety systems include an automated overfill prevention interlock with minimum two internal tank float switches and emergency shut-off switches at the exterior control panel and tank dome, plus a 2-compartment intrinsically safe digital tank level indicator system with continuous electronic level floats and real-time gallon-accurate digital display in the cab. A pneumatic tank venting system with 3.5-inch air-operated push-vent must automatically open when internal cargo valves engage and vent via 3-inch lines away from the operator workspace.
The severe cold weather package shall include dedicated heating in the driver's side pump compartment, a minimum 1,000-Watt commercial-grade power inverter that automatically draws from chassis batteries during transit and switches to 120V shore-power when stationary, electric heater capacity of minimum 120V/1.5 kW, auxiliary fan-heater output of minimum 16,000 BTU, a 120V continuous 6 GPM fluid circulation pump with integrated thermal expansion reservoir, in-cab master battery disconnect floor switch, illuminated heater-active warning light, and external 120V 30-Amp weather-tight shore power receptacle.
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SALIENT CHARACTERISTICS
1. Vocational Chassis Requirements
• Chassis Baseline: Heavy-duty, severe-duty vocational chassis, newer model year.
• Gross Vehicle Weight Rating (GVWR): 52,000 lbs. to 60,000 lbs.
• Axle Capacities:
o Front Axle: 18,000 lbs. to 20,000 lbs. capacity.
o Rear Axle: 40,000 lbs. to 44,000 lbs. capacity, tandem axle drive layout.
• Engine Performance: Severe-duty inline-6 turbo diesel engine.
o Power Output: 330 HP to 370 HP.
• Transmission: 6-speed automatic transmission with electronic engine governor and a transmission-mounted, hot-shift Power Take-Off (PTO) gear provision.
• Cab Configuration: Air ride cab mounting, dual heated/powered mirrors, air-ride driver seat, backup alarm, and integrated hands-free wireless/USB connectivity.
• Fuel Capacity: Minimum 70-gallon single aluminum fuel tank.
2. Cargo Tank Structural Engineering (Multi-Compartment)
• Total Capacity: 3,500 to 4,000 U.S. Gallons total volume.
• Compartment Split Configuration: Dual-compartment layout for split-fluid waste management without cross-contamination.
o Front Compartment: 2,700 to 2,900 Gallons (Waste Oil).
o Rear Compartment: 800 to 1,000 Gallons (Glycol/Antifreeze).
• Tank Profile & Code Spec: Semi-elliptical or modified cylindrical tank body built to DOT 406 structural integrity specifications (non-code final register for off-highway capacity rules).
• Material Thickness:
o Shell Construction: Minimum 1/4-inch (.250") marine-grade aluminum.
o Heads & Bulkheads: Minimum 1/4-inch (.250") aluminum, 100% continuously welded.
• Surge & Roll Stability: Minimum of two (2) 1/4-inch aluminum transverse baffles and one (1) full-length 1/4-inch longitudinal anti-surge bulkhead, 100% welded.
• Subframe & Mounts: Dual full-length 1/4-inch U-shaped aluminum subframe channels with a minimum of two (2) front spring-mounted and four (4) rear solid-mounted structural frame tie-downs.
• Manholes & Access: Minimum of two (2) 20-inch manways with 10-inch lockable inspection hatches, full-length slip-resistant top walkway, and an integrated front ladder with an upper safety platform.
3. Dual-Fluid Distribution & Pumping Infrastructure
The vehicle shall include dedicated, isolated fluid circuits to prevent cross-contamination between petroleum and glycol products.
• Primary Pump Assembly: PTO-driven positive displacement rotary gear pump driven by a PTO shaft.
o Manifold Size Line: Minimum 3-inch inlet/outlet connections.
• Manifold Capabilities: 5-Function, 2-compartment distribution system capable of:
1. Loading via a filtration system.
2. Unloading/discharging via pressurized line ports.
3. Gravity drop discharge bypassing pump gears.
4. Fluid transfer using external intake and discharge lines.
5. Cross-compartment fluid transfer.
• Internal Emergency Valves: Two (2) 3-inch air-operated internal safety valves with corresponding air-actuated mechanical staffs.
• Heavy Particle Filtration: Integrated high-capacity filtration strainer system (minimum 8-gallon reservoir) with a 1/8-inch perforated, removable filter basket mesh (must include one spare basket).
• Controls & Gauges: Weather-tight exterior control panel enclosing pump switches, manual valve controls with stamped metal safety tags, dual liquid-filled pressure-vacuum gauges, and a permanent operational plumbing schematic placard.
4. Advanced Electronic Safety & Environmental Control Systems
• Overfill Prevention Interlock: Automated electronic bypass override system with a minimum of two (2) internal tank float switches, an emergency shut-off switch in the exterior control panel, and an emergency shut-off switch located at the top of the tank dome.
• Digital Inventory Level System: A 2-compartment intrinsically safe digital tank level indicator system equipped with continuous electronic level floats and a real-time, gallon-accurate digital display interface inside the truck cab.
• Pneumatic Tank Venting System: A 3.5-inch air-operated push-vent system embedded in the manways, configured to open automatically when internal cargo valves are engaged, piped via 3-inch lines away from the operator workspace.
5. Severe Cold Weather Operational Package
• Pump Enclosure Heating: Dedicated heating array enclosed inside the driver’s side structural pump compartment.
• Electrical Inverter System: Minimum 1,000-Watt commercial-grade power inverter configured to automatically draw energy from the vehicle's chassis batteries during transit, and automatically switch to 120V shore-power when stationary.
• Thermal Output:
o Electric Heater Capacity: Minimum 120V, 1.5 kW immersion/space heater.
o Auxiliary Fan-Heater Output: Minimum 16,000 BTU.
• Circulation Infrastructure: A 120V, minimum 6 GPM continuous fluid circulation pump matched with an integrated thermal expansion reservoir.
• Operator Interface & Plug: In-cab master battery disconnect floor switch, in-cab floor-mounted illuminated heater-active warning light, and an external 120V, 30- Amp weather-tight shore power receptacle.
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