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  Thursday November 20th, 2014    

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| PLACE CLASSIFIED AD | PLACE EMPLOYMENT AD |

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Efficiency project options for Dist. 861 (06/18/2013)
By
Energy savings project option breakdown

(According to information provided by Energy Savings Group)

Totals for each option:

Option 1: $5,120,864

Option 2: $6,755,531

Option 3: $10,635,192

Option 4: $12,237,671

High School Option 1:

Energy efficiency improvements at all buildings

Mechanical systems:

M.3 Provide a new pool filtration system and repair gutter system leak to prevent frequent filling- $195,000

M.6 Install Variable Air Volume boxes for Air Handling Units AC-7, AC-9; units that serve the center area of 2nd level- $270,100

M.7 Install Variable Air Volume boxes for Air Handling Units AC-3, AC-6; units that serve center area of 1st and 2nd level- $40,700

M.8 Install gymnasium destratification fans to keep air temperate and ventilated- $15,800

M.9 Remove domestic hot water storage tank and replace with high efficiency gas fired domestic hot water heaters- $76,500

M.10 Remove pool heat exchanger and install gas fired pool heat exchanger sized for pool heating needs- $88,000

M.11 Remove underground fuel oil tank and install a central propane air system to serve the existing interruptible natural gas loads- $278,800

High School Option 2:

Option 2 includes all items mentioned in Option 1 plus:

Electrical Systems:

E.1 Replace obsolete/inefficient electric motors (on 11 designated pumps and fans) with high efficiency motors- $24,652

High School Option 3:

Option 3 includes all items mentioned in Option 2 plus those listed below:

Lighting:

M.2c Add a 30 ton chiller and convert the existing constant volume system to a variable volume system; add pump redundancy- $505,886

Ventilation/Air Handling:

V.3 Replace gymnasium Air Handling Units AC-10 thru AC-13; includes dehumidification- $435,500

V.4 Replace wrestling Air Handling Unit Heat Vent-1; Includes dehumidification- $112,100

V.5 Replace pool Air Handling Units Heat Vent-2 and Heat Vent-3- $903,000

V.6 Replace locker room Air Handling Unit Heat Vent-4- $197,800

V.7b Replace industrial arts area Air Handling Units; includes dehumidification: (HV-5, HV-6, HV-7, HV-8, HV-10)- $986,000

V.8 Replace Air Handling Units serving: Art Room 152, room 154, North Drafting Room 159, South Drafting Room- $144,314

V.9 Install a new 100% outdoor ventilation unit dedicated to the kitchen that will provide makeup air to replace the air exhausted by the cooking exhaust hood- $162,800

Middle School Option 1:

Energy efficiency improvements at all buildings

Control/Energy Management:

C.1b same scope as C.1a (install new direct digital controls (DDC) on Hot water system, Cold Water system, Air handling units, pool water system, and various terminal units) plus occupancy sensors in spaces where not already provided. This creates enhanced energy efficiency- $454,900

Electrical Systems:

E.1 Install Variable frequency drives on primary chilled water pumps (P-5 & P-6); this creates energy efficiency and will prolong the life of the pumps- $22,900

E.2 Install Variable frequency drives on the pool filtration pump (P-20); this creates energy efficiency and will prolong the life of the pumps- $12,100

E.3 Install variable frequency drives on the gymnasium air handling units (AHU-8 &9); this will create energy efficiency, lower sound from HVAC, and increase comfort- $20,500

E.4 install variable frequency drives on pool AHU-10; this will create energy efficiency, lower sound from HVAC, and increase comfort- $21,700

E.5 install VFDs on auditorium AHU-11; this will create energy efficiency, lower sound from HVAC, and increase comfort- $14,800

Lighting:

L.1 retrofit a majority of the existing lights with the latest energy efficient technologies- $240,828

Mechanical Systems:

M.1 install new high efficiency condensing boiler sized for pool heating needs (existing unit has failed often)- $113,200

M.2 Hot water coil circulation pumps provided for air handling units AHU-10, 13, 14, 15 were installed in the incorrect location- relocate coil circulating pumps- $17,100

M.3b The scope identified in M.3a (tune the existing boiler to create optimum efficiency) plus replace AHU-1, 4, 8, 10, 13, 14, and 15 3-way valves with 2-way valves allowing reduced secondary hot water pump speed- $4,750

M.6 Modify the existing domestic hot water system to provide greater efficiency and safer operation- $17,100

M.7 Install isolation valves at each chiller that will allow single chiller operation. Also replace 3-way valves with 2-way, allowing reduced secondary pump speed- $15,800

Bldg Envelope:

S.1 Seal doors and windows with weather-stripping and caulking. Seal roof/wall joints, roof level changes, and round roof penetrations with polyurethane foam- $26,300

Ventilation/Air Handling:

V.4 Modify the existing auditorium AHU-11 and provided sound attenuation- $16,500

Middle School Option 2:

Option 1 plus:

Control/Energy Management:

C.1c Same scope as C.1b (install direct digital controls on hot water system, cold water system, air handling units, pool water system, various terminal units, and occupancy sensors to create enhanced energy efficiency) plus direct digital controls on domestic water heating system, unit heaters, and exhaust fans- $522,000

Mechanical Systems:

M.4 Replace pool air handling unit 10 with a new energy recovery air handling unit designed for space heating, dehumidification, and ventilation requirements- $509,000

Middle School Option 3:

Option 2 plus n:

Ventilation/Air Handling:

V.1 Ventilation Assessment, Pre-Engineering/Pre-Design, MDE submission- $750

V.2 Calibrate controls and air balance to allow for proper ventilation and economizer cycle operation- $78,000

V.3 Modify the existing gymnasium Air handling units and provide new systems for ventilating the locker rooms and coaches offices- $241,000

V.4 Modify the existing auditorium Air handling unit-11 and provide attenuation- $16,500

Central Elementary Option 1:

Energy Efficiency improvements at all buildings

Control/Engergy Management:

C.1a Recommission the direct digital controls and energy management systems (ems) for designated systems to provide improved reliability and efficiency- $75,000

C.2a Repair existing pneumatic/electric actuators, valves, and thermostats- $65,600

Lighting:

L.1 Retrofit a majority of the existing lights with the latest energy efficient technologies- $11,576

L.2 Install lighting system controls in various areas to automatically shut lights off when the spaces are unoccupied- $750

Mechanical Systems:

M.1a Steam trap repair/replacement- faulty traps only

M.2 Install insulation over all uninsulated valves, pipes, and accessories- $2,367

M.3 Tune the existing boiler to create optimum efficiency- $1,775

Bldg Envelope:

S.1 Seal doors and windows with weather-stripping and caulking. Seal roof/wall joints, roof level changes and round roof penetrations with polyurethane foam- $4,950

Central Elementary Option 2:

Includes option 1 plus:

Control/Energy Management:

C.1b all of the scope in C.1a (recommission the direct digital controls and energy management system (EMS) for designated systems to provide improved reliability and efficiency) plus installation of DDC control valves and space temperature sensors- $166,000

Mechanical Systems:

M.1b Steam trap repair/replacement- All traps, standard replacement parts- $39,840

M.7 Install gymnasium destratification fans to keep air temperate and ventilated- $7,450

Central Elementary Option 3:

Option 2 plus:

Control/Energy Management:

C.1c All the scope in C.1b (C.1a plus installation of DDC control valves and space temerature sensors) plus DDC monitoring of the domestic hot water system and air compressor- $173,000

Goodview Elementary Option 1:

Energy efficiency improvements at all buildings

Control/Energy Management:

C.1a install new Direct Digital Controls (DDC) on Air handling units and exhaust fans- $51,800

Electrical Systems:

E.1 Replace the existing standard efficiency motors on remote terminal unit, RTU-A, B, C, D, and E with new premium effciency motors- $12,980

E.2 Installation of a variable speed drive on remote terminal unitRTU-D; this will create energy efficiency, lower sound from Heating, venting, and air conditioning, and increase comfort- $12,300

Goodview Elementary Option 2:

Option 1 plus:

C.1b All of the scoope in C.1a (install new DDC on air handling units and exhaust fans) plus installation of DDC control valves and space temperature sensors- $199,000

Mechanical Systems:

M.1 Install gymansium destratification fans to keep air temperate and ventilated- $7,450

Bldg Envelope:

S.1 Seal doors and windows with weather-stripping and caulking. Seal roof/wall joints/roof level changes, and round roof penetrations with polyurethane foam- $12,000

Goodview Elementary Option 3:

Option 2 plus:

Control/Energy Management:

C1.c All of the scope in C.1a (install new DDC on Air Handling units and exhaust fans) plus DDC control/monitoring of the domestic hot water system and bldgs cabinet unit heaters- $209,000

Goodview Elementary Option 4:

Option 3 plus new rooftop units for Goodview Elementary

Ventilation/Air Handling:

V.1 Ventilation Assessment, Pre-Engineering/Pre-Design, MDE Submission- $3,125

V.2a Replace remote terminal unit (RTU) units- retain the current system design- $1,553,000

Jefferson Elementary Option 1:

Energy Efficiency improvements at all buildings

Mechanical Systems:

M.3A Replace the older boiler; keep newer boiler. Both boilers would generate steam.- $116,300

Madison Elementary Option 1:

Energy efficiency improvements at all buildings

Control/Energy Management:

C.1a Install new Direct Digital Controls on the boilers, air handling units, and electric heaters to provide improved reliability, efficiency, and performance

C.2a Repair existing pneumatic/electric actuators, valves, and thermostats- $68,200

Lighting:

L.1b retrofit a majority of the existing lights with the latest energy efficient technologies, additionally, replace designated fitures for better illumination- $9,260

L.2 Install lighting system controls in various areas to automatically shut lights off when the spaces are unoccupied- $1,600

Mechanical Systems:

M.1a Steam trap repair/replacement- faulty traps only- $34,675

M.2 Install insulation over all uninsulated valves, pipes, and accessories- $12,936

M.3 Tune existing boiler to create optimum efficiency- $3,025

Bldg. Envelope:

S.1 Seal doors and windows with weather-stripping, caulking. Seal roof/wall joints, roof level changes, and round roof penetrations with polyurethane foam- $4,100

Madison Elementary Option 2:

Option 1 plus:

Control/Energy Management:

C.1b All of the scope in C.1a (Install new Direct Digital Controls on the boilers, air handling units, and electric heaters to provide improved reliability, efficiency, and performance) plus the addition of DDC control valves and space temperature sensors for control of perimeter radiation- $173,000

Mechanical Systems:

M.1b Steam trap repair/replacement- All traps, standard replacement parts- $55,375

M.7 Install auditorium destratification fans to keep air temperate and ventilated- $7,450

Rollingstone Elementary Option 1:

Energy Efficiency improvements at all buildings

Lighting:

L.2 Retrofit a majority of the existing lights with the latest energy efficiency technologies- $27,504

Bldg. Envelope:

S.1 Seal doors and windows with weather-stripping and caulking. Seal roof/wall joints, roof level changes, and round roof penetrations with polyurethane foam- $21,000

Rollingstone Elementary Option 2:

Option 1 plus:

Control/Energy Management:

C.1a Install new Direct Digital Controls on the heating system, air handling units, and exhaust fans to provide improved reliability, efficiency, and performance- $94,500

C.2a Repair existing pneumatic/electric actuators, valves, and thermostats- $118,000

Electrical Systems:

E.2 Install VFDs variable frequency drives, on hot water secondary pumps, along with a differential pressure sensor 2/3 down piping system. Convert the valve on S-2 from 3-way to 2-way- $19,800

E.3 Install Variable Frequency Drives (VFDs) on the gymnasium air handling unit-3; this will create energy efficiency, lower sound from heating, venting, and air conditioning, and increase comfort- $11,250

Mechanical Systems:

M.1a Tune the existing boiler to create optimum efficiency- $19,500

M.3 Instll gymnasium destratification fans to keep air temperate and ventilated- $11,150

W-K Elementary Option 1:

Control/Energy Management:

C.1.c All of scope C.1b (Recommission the direct digital controls and energy management systems for designated systems to provide improved reliability and efficiency plus installation of direct digital control valves and space temperate sensors) plus DDC control/monitoring of energy recovery unit ERV-1, the domestic hot water system, and the air compressor- $145,500

C.2a Repair existing pneumatic/electric actuators, valves, and thermostats- $80,500

Lighting:

L2 Install lighting system controls in various areas to automatically shut lights off when the spaces are unoccupied- $1,750

Mechanical Systems:

M1.a steam trap repair/replacement- faulty traps only- $48,810

M.2 install insulation over all uninsulated valves, pipes, and accessories- $11,257

M.3 Tune the existing boiler to create optimum efficiency- $3,250

Bldg. Envelope:

Seal doors and windows with weather-stripping and caulking. Seal roof/wall joints, roof level changes, and round roof penetrations with polyurethane foam- $6,600

W-K Elementary Option 2:

Option 1 plus:

Mechanical Systems:

M.7 Install gymnasium destratification fans to keep air temperate and ventilated- $11,150

Learning Center Option 1:

Control/Energy Management:

C.1c All of the scope in C.1b (Recommission the DDC and EMS for designated systems to provide improved reliability and efficiency, plus interface the heat pumps with lighting occupancy sensors (in designated rooms) to save energy and prolong equipment life) plus DDC control/monitoring of the domestic water heating system and cabinet unit heaters- $57,000

Electrical Systems:

E.1 Install VFD to pump P-2 and modulate pump speed based on ground loop return temperature and building heat pump loop requirements- $11,600

Learning Center Option 2:

Option 1 plus:

Mechanical Systems:

M.1 Pump redundancy; provide redundant ground loop and building loop pumps piped in parallel for redundany in the event of pump failure- $110,000

M.2 Heat pump air balancing; rebalance heat pump air systems and improve occupant comfort- $24,000

Bldg. Envelope:

S.1 Seal doors and windows with weather-stripping and caulking. Seal roof/wall joints, roof level changes, and round roof penetrations with polyurethane foam- $5,500

Agriculture Building HS Option 1:

Energy Efficiency improvements at all buildings

Control/energy Management:

C.1a Install new Direct digital controls on the boilers, air handling units, and exhaust fans to provide improved reliability,efficiency, and performance- $16,300

Mechanical Systems:

M.1a Tune the existing boiler to create optimum efficiency- $1,525

Bldg. Envelope:

S.1 seal doors and windows with weather-stripping and caulking. Seal roof/wall joints, roof level changes, and round roof penetrations with polyurethane foam- $4,200

Agriculture Building HS Option 2:

Option 1 plus:

Control/energy Management:

C1.b All of scope C1.a (Install new Direct digital controls on the boilers, air handling units, and exhaust fans to provide improved reliability,efficiency, and performance) plus the addition of DDC monitoring/control of the domestic hot water system and greenhouse unit heater- $24,700

Dakota Community School Option 1:

Energy efficiency improvements at all buildings

Mechanical Systems:

M.1a Tune existing boiler to create optimum efficiency- $1,625

Dakota Community School Option 4:

Option 3 plus new rooftop units for Goodview Elementary

Mechanical Systems:

M.3 Install gymnasium destratification fans to keep air temperate and ventilated- $7,450

District-Wide Option 1:

Energy efficiency improvements at all buildings

Control/energy Management:

C.3 Vending Machine Controls (Phase II)- $9,400

C.5 PC Power Management. Turn off computers and peripherals at times of extended unoccupancy. Provide control to install software updates- $33,330

Life Safety/Security:

LS.1 Building security enhancements: focus first on securing entrances and playgrounds- $454,000

Budget for Misc. Repair:

O&M.1 A conservative budges allowance for miscellaneous operations and maintenance repairs (Phase II)- $50,000

District-Wide Option 2:

Option 1 plus:

Control/Energy Management:

C.4b Utility Dashboard Website (Phase II)- $82,600

Budget for Misc. Repair:

A moderate budget allowance for miscellaneous operations and maintenance repairs (Phase II)- &100,000 

 

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