150 Gallon Rear Mount Skid Unit Specs.pdf

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COMMONWEALTH OF PENNSYLVANIA

DEPARTMENT OF CONSERVATION & NATURAL RESOURCES

BUREAU OF FORESTRY

DIVISION OF FOREST FIRE PROTECTION

Specifications for 150-Gallon Rear Mount Wildland Fire Skid Unit

The following specifications are for a self-contained, modular, rear mount, slip-on wildland firefighting unit consisting of tank, hose reel with hose, engine, pump and control panel that can be easily mounted or removed from a truck bed. Overall length of the unit shall be 8 feet. Engine, pump, and control panel to be accessible from the rear of the unit.

TANK

The tank shall be constructed of ½” thick, black, ultra-violet resistant, polypropylene material and have a

150-gallon capacity. Tank shall be baffled with 3/8” thick transverse and longitudinal baffles in accordance with National Fire Protection Association (NFPA) Standard 1906: Standard for Wildland Fire

Apparatus. Tank shall have a lifetime factory warranty. The tank itself shall be no longer than 58” and no wider than 48”. The Tank shall meet the following:

1. One (1) 8” x 8” x 8” water fill tower with screen and a 2” overflow pipe routed toward the front.

Water tower must have a hinged lid.

2. One (1) White Poly Level Sight Gauge, visible from the rear of the tank.

3. Two (2) top mounting tracks for the hose reel running the entire length of the tank for future add on accessories such as a hose tray.

4. One (1) 2” female National Pipe Tapered thread (NPT) suction port on the bottom rear of the tank.

5. One (1) 1½” female NPT fill port on the top of the tank routed the rear of the truck for direct fill.

6. One (1) 2” female NPT diameter drain port with plug on the driver’s side, bottom rear of the tank.

7. ¾” drain port with ¼-turn brass ball valve on the passenger’s side, bottom, rear with 4 feet of hose and a ¾” valve with brass quick disconnect that fits directly into bladder bags.

8. One (1) 1” Diameter fill port Female NPT.

9. One (1) access point 12” X 12” to access the inside of the tank directly over the suction.

10. One (1) each mounting flanges on the bottom front and bottom rear of the tank. Rear flange shall be ¾” thick black polypropylene and will serve as a mounting point for the engine, pump, and control panel.

11. All corners reinforced.

12. Three (3) 4” X 4” X 8’ Polypropylene risers on the bottom of the tank, extending full length of the unit. Risers are to be spaced equally with two (2) at the sides and one (1) in the middle. Risers shall be appropriately sized to store suction hose.

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ENGINE

1. Must be a minimum of 18 HP, 4-Stroke, air cooled

2. Electric Start with Recoil start back up

3. One (1) ½” diameter, 12” long oil drain hose with ½” diameter, brass, ¼-turn ball valve NPT, or a specifically designed oil drain valve.

4. 4-gallon, fuel tank in fabricated aluminum, with a primer bulb in the fuel line. Mounted to top of tank beside the hose reel.

5. Exhaust must be shielded to prevent booster line from contacting muffler

6. Muffler shall be super low tone muffler and must have stacks mounted in upward direction with flappers to prevent water from entering exhaust. (Similar to Briggs & Stratton 807799)

7. Must include low oil shutoff switch.

PUMP

1. 4-Stage detachable high-pressure pump head with sealed bearing (Wicks 4200, Waterax BB4, or equivalent that is interchangeable)

2. 2” National Pipe Straight Hose (NPSH) suction

3. 1½” NPSH discharge

4. Quick detachable pump end via stainless steel band clamp

5. Belt driven

6. Pump drain

HOSE REEL

1. Hannay stainless steel electric hose reel, mounted on top of the tank, as close to the front as possible, centered left to right.

2. Capacity of 100’ of 1” inch Boostlite (or equivalent) light weight hose.

3. 1” NPSH riser

4. Two (2), chrome high-style outriggers, one each on the passenger and driver sides of the truck, main direction of pull will be to the passenger’s side.

5. Must have manual rewind option with manual rewind handle mounted to the unit via a bracket.

6. Remote hose reel button on 10’ cord that can reach both sides of truck.

BOOSTER HOSE

1. 100’ of 3/4” diameter Boostlite (or equivalent) light weight hose with 1” NPSH field-repairable couplings.

PLUMBING

All valves to be full port, ¼-turn, brass ball valves rated to 500 pounds per square inch (PSI). All valves must be labeled per valve labelling standards outlined in the National Wildfire Coordinating Group

(NWCG) Water Handling Equipment Guide (PMS-447-1, NFES 1275, October 2003). All rigid plumbing is

Page | 3 to be stainless steel. All plumbing is to be rated at 500 PSI. A check valve shall be installed on the discharge side. Pump shall draft through a Gruvlok brand or equivalent anti-vibration coupling.

The pump shall be pre-plumbed as follows on the suction side:

1) Two (2) 2” ¼ turn ball valves, one for tank draft and one for overboard draft.

2) Adaptor, cap and chain in 2” male NPSH thread

3) 1½” ball valve with female National Hose (NH) swivel adapter shall be mounted to item #5 of tank section of these specifications.

The discharge side of the pump shall be plumbed to the rear of the unit via a 1½” diameter high-pressure hose rated at 500 PSI into a vertically mounted 3” X 3” square stainless-steel manifold.

Discharges on the manifold shall point downward at a 15° angle. The manifold will feature the following:

1. 1” port with valve plumbed for tank circulation shall be connected to item #7 under the tank section of these specifications.

2. 1” port with valve connected to the hose reel.

3. 1½” NH discharge with valve and cap and chain, minimum pressure of 300 PSI and minimum flow of 20 gallons per minute (GPM).

4. Two (2) 1” NPSH discharges with valves and caps and chains, minimum pressure of 300 PSI and a minimum flow of 20 GPM.

5. ¼” drain petcock mounted at the lowest portion of the manifold.

6. Manifold will be Scotty Foam capable so the eductor can be added in the future.

7. Pressure relief valve

CONTROL PANEL

Pump panel will be mounted on the rear flange of the unit so that it is accessible from the rear when unit is mounted in a truck. Panel shall be a manufactured enclosure and not custom fabricated. Wick 4200, Waterax WCP control panel, or equivalent.

All pump and engine functions to be located at mini control panel consisting of the following:

1. Pump engine ignition switch (on/off Switch)

2. Pump engine starter button

3. Choke

4. Vernier-style, adjustable throttle control

5. High RPM cut-out switch

6. Low water pressure cut-out switch at 15 PSI with guarded toggle switch override

7. Illuminated, liquid filled pressure gauge (0 to 600 PSI) with drain piped out the back of the panel

8. Hour meter

9. Hose reel button

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10. Circuit breaker

11. LED panel work light with on/off toggle switch

12. Low oil indicator warning light/switch

13. Toggle switch for scene light

SCENE LIGHT

One (1) sealed beam, LED scene light that can be flipped down to illuminate the work area of the pump.

The light shall be wired to switch on the control panel.

OTHER ITEMS

1. An aluminum, guzzler-style, hand primer must be attached to the discharge side of the pump, accessible from the rear of the unit, with a spring loaded shut-off valve. Hand primer must be mounted perpendicular to pump platform so that water will drain out of primer body to prevent freeze damage. Primer should be mounted on 3/8” aluminum bent above the primer, so it serves as a weather protector.

2. Unit shall incorporate an air-operated winterization system with Schrader valve capable of removing all water from plumbing system for winterization.

3. Two (2) 8’ sections of 2” NPSH lightweight, Draftlight (or equivalent) suction hose and one (1) section of the same hose measuring a total of 8’ with one (1) lightweight metal foot valve/strainer.

4. Unit shall be wired with 25’ of 6-gauge wire in loom, including a 40-amp circuit breaker with quick disconnect plug on the skid unit to connect it to the existing 12-volt power in the engine compartment of the vehicle.

5. Winterization instructions shall be included in a binder.

6. All determinations of equivalent equipment shall be made by the Commonwealth.

7. The vendor shall meet with representatives of the Commonwealth for a preconstruction meeting to determine the mounting location of all the items.

8. Drawings depicting multiple views must be submitted for review by the Commonwealth prior to awarding the bid. Submit drawings via one of the following methods:

Via Mail: Via Electronic Mail:

Pennsylvania Bureau of Forestry Charlie Choplick Division of Forest Fire Protection cchoplick@pa.gov Attn: Charlie Choplick PO Box 8552 Harrisburg, PA 17105-8552 mailto:cchoplick@pa.gov