TE C 5-7-005 Sembach Heating System Specification.doc

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Sources Sought: Total Maintenance Contract (TMC) – Rheinland-Pfalz, Germany (409th CSB TCC)
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W564KV26RA000
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This is a technical specification document for heating systems at Sembach Army Base in Germany, detailing equipment and infrastructure for two primary heat plants serving administrative and military family housing areas.

Building 208 (Admin Area) Heat Plant, constructed in 2003, features three Buderus Logano S8154 250 LN boilers with 4,250 kW capacity each, fired by light oil or natural gas via Elco Kloeckner burners. The system includes three boiler feed pumps, a 27-meter high brick masonry chimney with three stainless steel flues (60 cm diameter), two double-wall fuel oil tanks totaling 360,000 liters capacity, three exhaust heat exchangers, nine circulation pumps (heating and exhaust), three 1,000-liter expansion vessels, a water treatment system, CO2 and flue gas control units, a central PC-based heat control system, leak detection, and fuel gauging systems. The heat plant distributes to approximately 50 heat exchangers (50-250 kW each) across various administrative buildings via underground distribution pipes, each equipped with circulation pumps and heat metering devices.

Building 61 (Military Family Housing Area) Heat Plant, constructed in 1986, comprises three boilers with capacities of 2,000 kW, 4,500 kW, and 7,000 kW respectively, manufactured by Omnical in 1985, operating at maximum 120°C and 600 kPa with light oil or natural gas firing. Equipment includes a twin-type oil pump station, three KSB Etatherm-M boiler feed pumps, three stainless steel flues (30 cm diameter, 30 m high), a 100,000-liter underground double-wall fuel oil storage tank, a twin-type water softening system, two shell-in-tube heat exchangers (1,200 and 1,500 kW), six hot water circulation pumps with automatic controls, ventilation units, and HCS automatic boiler controls with remote monitoring. The system supplies district heating at 90/70°C to eight primary heat exchangers serving 28 military family housing buildings and one elementary school through primary and secondary underground distribution lines.

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SEMBACH HEATING SYSTEMS SPECIFICATION

Building 208 Heat Plant (Admin Area)

Entire administration area heating plant, including industrial and office areas. Year of construction: 2003.

Heat Plant Specifications. The heat plant consists of the following:

Hot Water Boilers. 3 each boilers, fired with light oil or natural gas, boiler capacity is approximately 4,250 kw each; year of manufacture is 2003; manufacturer is “Buderus;” type Logano S8154 250 LN; 6,190 liter total volume. The Elco Kloeckner burner burning two different types of energy media (light oil (HEL #2), and Natural Gas).

Boiler Feed Pumps. There are 3 each boiler feed pumps; year of manufacture is 2003

Chimney. There is 1 chimney that is brick masonry, 3 flues, 27 m high. Smoke flues are stainless steal, 60 cm diameter.

Fuel Oil Tank. There are 2 each fuel oil tanks (HEL #2) with a total capacity of 360,000 liter, double-wall inside the bldg.

Other Equipment. Other associated equipment the contractor shall be required to maintain and repair are the following:

3 each exhaust heat exchanger.
3 each circulation pumps (heating).
1 each circulation pump (primary exhaust heat exchanger).
3 each circulation pumps (net).
3 each expansion vessels, boiler, 1,000 liters each; year of manufacture is 2003
3 each expansions vessels (net); year of manufacture is 2002.
2 each hydraulic device.
1 each water treatment system.
1 each feed and return flow distributor (for heating media).
3 each control units for CO2 Content, flue gas, and temperature recorder.
1 ea Central Heat Control system (PC) for the Admin Area in Bldg #208
1 ea Leak detection system
1 ea Fuel Gauging System

Distribution Pipes from the Heat Plant Bldg #208 to the Admin Area building Heat Exchangers (~ 50 ea)

Admin Area Heat Exchangers (50 kW to 250 kW) in approx. 50 ea buildings consisting of:

50 ea heat exchangers (50 kW to 250 kW) located in the mech. rooms of various buildings
50 ea circulation pumps
50 ea heat metering devices with remote reading

Building 61 Heat Plant (MFH Area)

This encompasses the entire housing area, industrial and office areas of the heat plant. Year of construction: 1986.

Heat Plant Specifications. The heat plant consists of the following:

Hot Water Boilers. 3 boilers, fired with light oil or Natural Gas, boiler capacity is 2,000 kW, 4,500 kW and 7,000 kW, respectively; maximum temperature 120°C, pressure 600 kPa. Date of manufacture is 1985;

manufacturer is Omnical; heating surface areas are 55 m², 130 m², 200 m², respectively; the burners burning two different types of energy media (light oil (HEL #2) and Natural Gas); rotating atomizer cup, with automatic firing controller.

Oil Pump Station. The oil pump station is a twin type system.

Boiler Feed Pumps. There are 3 boiler feed pumps; make is KSB Etatherm-M; type is inline pump; year of manufacture is 1987.

Chimney. There are 3 ea stainless steel flues, each approximately 30 cm in diameter and 30 m high.

Fuel Oil storage Tank. 1 ea Steel double-wall Fuel oil tank (HEL #2) (underground) with a capacity of 100,000 liter; year of manufacture is 1987.

Softening System. There is a supply-water softening system, of the twin-type design. This is a complete desalting system.

Heat Exchangers. Two shell-in-tube heat exchangers with capacity of 1,200 kW and 1,500 kW, respectively; year of manufacture is 1987.

Other Equipment. Other associated equipment that the contractor shall be required to maintain is the following:

6 hot water circulation pumps (heating), automatic pump controls, and frequency converters.
1 Expansion vessel, automatic.
Boiler heat output meter
Electric heat tracing (kWh meter).
2 ea ventilation units; one unit has a heating coil.
Automatic boiler controls with remote monitoring capacity; manufacturer is HCS.
Fuel Oil Gauging system for Ug Fuel Tank
Leak detection system

District Heat and hot water supply systems: The heating plant supplies hot water for heating, 90/70°C, and to produce domestic hot water for the housing area of Sembach Army Base . The primary heat lines provide district heat to 8 ea main heat exchangers (Bldgs: 24, 31, 50, 63, 75, 77, 94, and 17(Elementary School). From there the underground secondary lines provide heat for a total of 28 MFH buildings.

Primary Heat Distribution Pipes from the Heat Plant Bldg #61 to the Military Family Housing (MFH) Buildings ( Heat Exchangers) 24, 31, 50, 63, 75, 77, 94, and 17 (Elementary School).

Military Family Housing (MFH) Heating Systems in Building 24, 31, 50, 63, 75, 77, and 94:

7 each heat exchangers
4 each circulation pumps
Automatic water feeding system
Automatic expansion system.

File details come from the government source that posted it. Updated .