Cost Estimating: Rough Order Magnitude: Spray Scrubber Deaerator

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Estimating: Rough Order Magnitude: Spray Scrubber Deaerator

Note:  Spray Tray Deaerator is extra.

Rough Order Magnitude (ROM) Estimate      November 17, 2025
Outlet Rating, Lbs per Hour =5,00010,000
Outlet Rating, GPM  (approximate) =1020
ROM (US Dollars)ROM (US Dollars)
Spray Scrubber Deaerator. ASME Code VIII.  Carbon steel vessel. 30 PSIG Design Pressure (no corrosion allowance). Stainless Steel spray valve, scrubber section, and vent condenser.  5 minutes of water storage. External coatings. 50,00065,000
Vent Valve.  (Brass or Bronze Body Gate Valve. With Drilled Orifice in gate).IncludedIncluded
Makeup Water Inlet Valve (lever type).   threaded.  Bronze Body.1,3501,400
Float Box. Cast Iron Body with stainless steel Float.3,6003,600
Overflow Trap (Valve). Cast iron body with stainless steel float.6,0006,000
Thermometer. 3″ Dial.  1/2″ npt. Brass of Bronze. (Two)250250
Pressure Gauge.  2-1/2″ dial.  1/4″ npt. Brass or Bronze. (Two)250250
Sentinel Relief Valve. ASME Code VIII.  Brass or Bronze body. 1″ npt490490
Sentinel Vacuum Breaker. 1″ npt. (Vacuum Breaker Check Valve)300300
Low Level Switches. Nema 1.  Cast iron body. 1″ npt1,0501,050
High Level Switches. Nema 1.1,0501,050
Piping (for gauge glass and level switches). Cast iron.3,0003,000
Gauge Glass:  Bronze or Brass body valves.300300
Gauge Glass: Tubular Liquid Level: Glass: 24″ length (visable area is less)100100
Water Outlet Valve.  Electrical Actuator.  Brass or Bronze Body. 1″ npt750750
Allowance  (For inbound freight and freight to jobsite)5,5006,000
Sub-Total73,99089,540
Use75,00090,000
Note: Manufacturers, Model Numbers, and materials of construction of valves and instruments to be selected by Deaerator manufacturer or Contractor.
Installation at jobsite (of items listed above)59,00063,000
External Insulation of vessel (Excludes  insulation of external piping/valves/instruments)6,0007,000
Sub-Total140,000160,000
Spray Tray in lieu of Spray ScrubberAdd $15,000Add $25,000
Vessel: Testing above what’s required by ASME CodeExcludedExcluded
Vessel: Heat TreatmentExcludedExcluded
Oxygen Test Kit / Oxygen AnalyzerExcludedExcluded
Pumps (and related valves)ExcludedExcluded
Manual Isolation ValvesExcludedExcluded
Y-StrainerExcludedExcluded
PRV(s)ExcludedExcluded
Condensate Valve(s)ExcludedExcluded
Steam Valve(s)ExcludedExcluded
TransmittersExcludedExcluded
Sample CoolerExcludedExcluded
Vent SilencerExcludedExcluded
External PipingExcludedExcluded
Check Valve(s)ExcludedExcluded
Anode(s)ExcludedExcluded
Chemical Feed System / ChemicalsExcludedExcluded
Alarm / LightsExcludedExcluded
Panel(s)ExcludedExcluded
Electrical (conduit, fittings, wiring)ExcludedExcluded
Flash TankExcludedExcluded
Concrete / Steel Supports (to elevate deaerator)ExcludedExcluded
Ladder / Cage / Platform/ RailingExcludedExcluded
Demolition / Removal of Existing / SiteworkExcludedExcluded
Rough Order Magnitude (ROM) Estimate      November 17, 2025

Note:  Spray Tray Deaerator is extra.