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Plumbing System

Water Tanks

Number and capacity: Two (2) tanks totaling 800 gallons (3028.3 liters)

Material: Fiberglass from male molds with FDA approved gel coated interior

Inspection plates: Appropriately positioned and sized for access

Tanks air tested to 4.5 lbs (2.04 kg) per sq. inch

Each tank to have "Wema" level gauge

Each tank to be fitted with sight gauge

Tank baffles to be spaced on 24" (61 cm) centers

Exterior of tanks finished in blue gel coat

Tanks to comply with ABYC section H-23 for potable water systems for use on boats

Cleanliness: Tank interior surfaces to be thoroughly vacuumed and wiped down prior to final closure

All hoses and cables running through watertight bulkheads to be ran through Roxtec and Ta Shing designed watertight fittings

Fuel Tanks

Number and capacity: Four (4) main tanks totaling 4,100 gallons (15520.2 Liters) with one(1) centerline aluminum “Day Tank” at 80 gallons (303 Liters) which will gravity feed from main wing tanks

FRP construction from male molds using Vinyl ester resin. To comply with all ABYC codes for diesel fuel tanks. Tanks to be coated with fire retardant gelcoat on outside to comply with ABYC section H-33.20 for fire resistance

Inspection Plates appropriately positioned for interior access by average size man. Plates to be fitted with labels that contain all information as stated in ABYC section H-33.16.3. Each internal baffle to have a removable panel to allow access to entire interior of all fuel tanks

Fuel system to include a powder coated aluminum supply reservoir, which feeds by gravity from all four (4) fuel tanks. A light and audible alarm in wheelhouse if excessive water is present. Reservoir fitted with five (5) draw spigots for main, two (2) generators, wing engine and spare - mounted at lower level of reservoir but above water sensing probe. All returns from main, wing and generator plumbed into reservoir via a return manifold

Sight gauges provided for all four (4) fuel tanks

Each tank to be air tested to 4.5 lbs (2.04 kg) per sq. inch

Provide baffles on 24" (61 cm) centers

Transfer manifold and 3.5 gallons (13.25 Liters) per minute fuel pump with timer switch and Racor 1000 fuel filter with 10 micron element which can transfer fuel from one tank to another and scrub fuel while transferring

Exterior of tanks finished in red gel coat

Cleanliness: tank interior surfaces to be vacuumed and wiped clean before final closure

Each tank to have two (2) 1” (2.5 cm) I.D. vent lines

Each tank to have separate 2” ( 5.08 cm) I.D. fill pipe located a minimum distance of 18” (45.72 cm) from any ventilation openings

All hardware that comes in contact with fuel to be bonded into the 24 volt DC ground system

Fuel Pipe and Hose

Fuel lines from supply reservoir to optional generator and wing engine to be 1/2” (1.27 cm) I.D. with Aeroquip brand fuel hose and swaged fittings

Fuel line from supply reservoir to main engine filter is 3/4" (1.9 cm) I.D. with Aeroquip brand fuel hose and swaged brass fittings

Fuel lines from supply reservoir to optional generator and wing engine to be 1/2” (1.27 cm) I.D. with Aeroquip brand fuel hose and swaged fittings

Vent lines to be fuel certified, reinforced hose 1” (2.5 cm) I.D

Water Hoses

Cold water: Hose from water tanks to water pump should be reinforced suction rated hose. Hose from pump to accumulator should be pressure rated reinforced hose. Branch lines to be 1/2" (1.27 cm) Shurflo semi-rigid tubing (blue)

Hot water: Reinforced 1/2" (1.27 cm) Shurflo rigid tubing (red)

Sea water hoses: Reinforced for marine use and provided with double stainless steel clamps below the water line

All hoses used shall meet the requirements for service as set out by ABYC for the system intended

Heater: RHEEM Vanguard Low Boy, 47 gallon (178 Liter) with dual 240 volt AC elements for quick recovery

Thru Hulls: Bronze body, Stainless Steel Balls and Teflon seats

Grounding wire: #6 gauge green wire

Each thru hull to have a clearly visible tag indicating use.

Each thru hull to be easily accessible

Fresh Water System

Main Pump: Headhunter Mach 5 Model #M5-115 - 120 volt with pressure regulator and Groco WSA-1000 strainer on pump inlet

Groco #PST5 accumulator tank with pressure gauge

Hose from water tanks to water pumps and to accumulator to be 1" (2.5 cm) diameter reinforced and approved for potable water

Back up Pump: Head hunter "X-Caliber" 12-24 volt DC pump Model # XR-124

Filter: US water filter housing with a 5 micron sediment filter installed downstream of fresh water discharge manifold

Pump Selection Manifolds x two (2): Pump inlet and discharge manifolds made of stainless steel standard pipe. Supply manifold furnished with isolation ball valves from each fresh water tank, to each fresh water pump, and from the water maker. Discharge manifold furnished with isolation valves from each pump

Plumbing Fixtures

Head sinks: Owner's, lower head, forward guest, and wheel house. HCG white sinks. (4 total)

Galley sink: Double stainless steel corner style Kohler #K-3351

Head faucets: Grohe Model# 33413-0000 chrome. (4 total)

Cockpit and flybridge sink faucet to be Shurflo folding faucets

Galley sink faucet to be Grohe Model# 32999 1 K0 chrome/black

Engine room sink faucet to be local made stainless steel

Engine room sink, fly bridge and aft deck sink: local made stainless steel

Shower fixtures: Three (3) All Grohe #28179 handle, #28631 soap dish, #28.620 24" shower bar, #28.151 hose, #34.436 thermostat valve

Engine Room Sink Sump Pump System

One (1) FRP drain basin, approximately 5 gallon (18.9 Liter) capacity. Basin to have a bolted flange top cover, separate 1-1/2" (3.8 cm) drain inlet from engine room sink, a 3/4" (1.9 cm) bottom outlet to the discharge pump, a RULE-A-MATIC float switch, and a 3/4" (1.9 cm) overflow to the engine room bilge

One (1) Whale Gulper 220, 24 volt IM BP 1554. Pump to auto start by float switch actuation and discharge to the gray water tank. Pump discharge to be equipped with a swing check valve

Bilge Pumps

Electric: Six (6) Par Jabsco 34600-0010 24 volt 10.8 gallon (40.8 Liter) per minute Diaphragm 1" (2.5 cm) diameter ports, with "Ultra Senior" 24 volt auto float switch # UPS-01-24/32. One (1) in each water tight compartment

Manual: Four (4) Edson Model #638 AL. One (1) in each water tight compartment

Hydraulic drive emergency pump: One (1) "Pacer" 180 gallon (681 Liter) per minute plumbed to all water tight compartments. Manifold for emergency pump to be located in easily accessible location

High Water Bilge Pump System - Engine Room: RULE Model 16A, 3700 gallon (14,006 Liter) per hour, 24 volt AC RULE Model #33AL High Water Bilge Alarm, and "Ultra Senior" bilge switch

High Water Bilge Alarm Panel - Pilot House High water bilge sense will come from std. Ultra Senior in each bilge compartment. Visual and audio alarm panel in pilot house

Toilets and Holding Tank System

All toilets to be Tecma Silence Plus (4 total)

Water supply to toilets to be fresh water only

Holding Tank: One (1) FRP 200 gallon (757.1 Liter) holding tank

Use only PVC pipe or Trident "Odor Safe" hose

Holding tank overboard pumps: Edson "Bone Dry" #120ELB 20 gallon (75.71 Liter) per minute 120/208-230 volt AC electric and Edson "Bone Dry" #557BR 30 gallon (113.56 Liter) per minute manual pump

Holding tank vent to use Sealand# 310002 vent filter

Deck fitting for portable evacuation facility

Holding Tank Level Monitor: Sealand 24 volt Tank Watch 4 Panel/Tank Master Panel and Cap with Vent, 45" (1.14 m) probes Part #600115, including Universal Flange, 3" NPT (7.6 cm, NPT) with gasket and stainless steel hardware, 24 volt

Install Techma 2 button marine wall switch in each head

Install "Do Not Flush" panel at every toilet

Black water hoses to be Trident #102

Fresh Water Outlets on the foredeck, aft deck, flybridge and one (1) in engine room using stainless steel spigots

Gray Water System

Tank: One (1) FRP 200 gallon (757.1 Liter) tank. All sinks, showers, and air conditioning condensate to drain to tank. All drains to have "P" traps and sloped down hill run to tank. Exception: lower level head sink and shower and E/R sink drains will be pumped to gray water tank with Whale "Gulper" pump. Tank equipped with electric and manual discharge pumps, level switch for pump starting, and level monitor system

Electric Discharge Pump: Sealand T24 Discharge Pump 24 volt with auto/manual switching. Pump inlet to draw within 1" (2.5 cm) of the absolute bottom of the tank. Pump to discharge overboard through anti siphon loop

Level Switch: ULTRA Junior Pump Switch (float type) Model WPS-02-24/32, 24 volt to auto start and stop the gray water pump in the AUTO mode. In AUTO mode, switch to start pump at 2-1/2" (6.35 cm) depth and stop pump at 1" (2.5 cm) depth

Level Monitor System: Sealand 24 volt Tank Watch 4 Panel/Tank Master Panel and Cap with Vent, 45" (1.14 m) probes part #600115, including Universal Flange 3" (7.6 cm) NPT with gasket and stainless steel hardware

Manual back up pump: Edson Model #638AL

Install Hepvo odor valve on the gray water system before tank

Transom Shower to be Scandvik # 101513-MR

LPG System with two (2) 30 lb. (13.61 kg) aluminum LPG bottles with "Trident" two stage regulator and "Xintex" monitor panel #XINTX#S-2A with two (2) sniffers located per PAE design. System to meet all ABYC and USCG regulations

Bosch Washing Machine #WAS 24460UC and 240 volt AC Bosch Dryer #WTV 76100US located in Laundry room on lower level

Individual Raw Water Inlet thru hulls per item requiring raw water

Wing engine, generator(s), water maker intake and air conditioning

Each inlet to have Groco strainer

Each thru hull on the exterior to have grate installed to keep debris out

Oil Change System

System utilizes a 120 volt AC Oberdorfer Gear Pump Model #OBN993M-F36-RC 4.8 Gallon (18.17 Liter) per minute to drain and fill engine lube oil from/to crankcases of main, wing, and generator(s) engines. Pump is controlled by a three (3) position switch mounted at pump location. Switch positions to be labeled "ENGINE OIL DRAIN", "OFF", "ENGINE OIL FILL"

Manifold, pump and control switch to be located in an accessible and comfortable location. Engine side of manifold to include isolation valves for each engine. Pump discharge/fill side to include a hose of suitable length for drawing from and discharging to a locally placed container

All Pumps and Motors to be mounted on starboard or PVC pads

*Specifications subject to change without notice and at the discretion of designers and builders.
**Dimensions are subject to change with Buyer’s selected options and personal effects which may add to displacement and increase both draft and waterline length

Last updated: 7/20/09




Nordhavn Fleet