mechanical study·

.-

B.AKER I WOHl ARCHITECTS

· ~32 Lincoln Street

Be,ston, MA 02111

T: 617 . ·350 . 7420

· www.baker-wohl.am

MECHANICAL STUDY ·

' Prepared For .

WESTERN MASSACHUSETTS. . H.o ·SPITAt. 91 . East Mountain Road

Westfield, MA 01085

Prepared By

· Wozny/Barbar & Associates, Inc. 1.0.90. Washington S~reet

Hanover, MA 02339

'. And

A M Fogarty ·& Associates, Inc. 17;5 Derby Street- Suite 5

. Hingham, MA 020.43

! •

! I I I I I

i I I

Preface

This study includes an engineering review of the existing mechanical heating, ventilating, and airconditioning systems serving five buildings located on the Western Massachusetts Hospital

campus. At least, two HV AC options for each building are presented, keeping in mind the future potential uses of the buildings as expressed by the Massachusetts Department ofPublic Health.

Executive Summary.

Wozny Barbar and Associates (WB&A), partnered with Baker/WohlArchitects (BWA), have been tasked with evaluating the mechanical systems of five buildings located on the Western Massachusetts Hospital campus located at 91 East Mountain Road in Westfield, Massachusetts. The Main Hospital is a 93,000 square foot, three-story building with basement, circa 1910 that

serves as a chronic care facility, with the goal to convert back to a medical facility. The unoccupied Quarry Hill dormitory consists of two-stories with basement and may be converted to a Veterans Administration dormitory with treatment, recovery, and outreach program support. The Clark building is two-stories supporting administrative services for the hospital. The Garage is an open floor plan pre-engineered metal building installed on a slab, providing maintenance for campus machinery. Finally, the Storeroom is a two-story warehouse providing storage and

, shipping support. For all five buildings, the existing heating equipment consists of gas and/or f:/2 oil-fired boilers serving cast-iron radiators, unit ventilators, and unit heaters and is in average condition. This study describes the existing conditions of the mechanical systems serving each building in more detail below. Two options were considered for each building and the recommended option is discussed in detail further in this report.

Project Justification

Based on the existing equipment age, condition, code shortfalls, and a desire to upgrade the campus services offered, a study to establish a concept and baseline for equipment replacement is warranted. The systems are difficult to work on in making repairs due to the complexity and age of the distribution system, given all the temporary repairs and additiOn$ that have OCC1:11Ted over the years.

Problem Statement

The existing mechanical equipment has had the minimal necessary repairs and additio~ over a number of years, with little or no documentation, maKing· further repairs dif~cult and, in some

cases unsafe for the staff.

Existing Conditipns

Based on field observations, review of existing documents and discussions with building

management staff, WB&A provides descriptions of the existing mechanical services for the five buildings included as pait of this report.

Main Hospital:

Heating is provided for the building by one of two dual-fuel Cleaver Brooks packaged boilers, I . •

located in the basement, installed in April, 1988, with input capacity of6,277,000 Btu per hour. The boilers, fired by either natural gas or #2 fuel-oil, produce low-pressure steam.(8-pounds) that is connected to distribution piping serving cast-iron radiators and baseboard located throughout the

facility. Condensate returns to a duplex condensate receiver tank where it is pumped to a 1Joiler feed tank for delivery back to the boilers to repeat the process. Each steam heating radiator and baseboard device is controlled by a thermostatic radiator valve.

Three Hurst boilers, installed in 2002, with input capacity of 420,000 Btu per hour, fired by either natural gas or #2 fuel-oil, produce medium-pressure steam ( 45-pounds) that is connected to distribution piping serving the kitchen and laundry. Condensate returns to a duplex condensate receiver tank where it is pumped to a boiler feed tank fot: delivery back to the :boilers to repeat the process.

Mechanical ventilation of toilet areas is provided by exhaust duct risers up to roof-mounted exhaust fans. Operable windows provide ventilation for the bedrooms.

Numerous packaged terminal air conditioners, located above the windows, provide cooling for selected bedrooms and office spaces. Several split-system air conditioning units, with roofmounted condensing un~ts, provide cooling for selected internal spaces.

A 20,000-gallon single-wall underground storage tallk.supplies #2 fuel-oil to the Cleaver Brooks heating boilers. The Hurst boilers are fed from the 3,000-gallon undergroUnd storage tank used to operate the Emergency Power Generators.

Main Hospital

Typical Steam Radiator with Thermostatic Radiator Valve

Quarry Hill Dormitory:

Cleaver Brooks Boilers

Typical bedroom with PTAC and operable window

Hurst Boilers

Roof Exhaust Fans and Condensing Units

Heating is provided for the building by an HB Smith packaged steam boiler installed in 1987, installed in the basement, with input capacity of 1,125,000 Btu per hour. The gas-fired boiler

produces low-pressure steam that is connected to distribution piping serving cast-iron radiators and baseboard located throughout the building. Condensate returns to a duplex condensate receiver tank where it is pumped back to the boiler to repeat the process. Each steam heating radiator and baseboard device is controlled by a thermostatic radiator valve.

-- ·-::---~:.--::::-::::-----~---- - ...

Quarry Hill Dormitory HB Smith Boiler Condensate Receiver Tank

Clark Building:

Heating is provided for the building by an RBI hydronic boiler installed in 2001, located in the basement, with an input capacity of 1,000,000 Btu per hour. The gas-fired boiler produces hot

water that is circulated by base-mounted pumps through distribution piping, delivered to unit ventilators and cabinet unit heaters located throughoutthe building.

Ventilation is achieved through exterior wall louvers connected to the back of the unit ventilators. Roof-mounted exhaust fans provide ventilation o~toilet areas. Some packaged terminal a~r conditioners, located above windows, provide cooling for selected areas. A couple split-system air conditioning units, with grade-mounted condensing units, provide cooling for selected internal spaces.

Clark Building RBI Boiler Base-mounted Pumps

Garage:

The main Garage floor area is heated by five gas-fired, <;:eiling suspended Modine unit heaters. The office space and toilet room are heated by electric baseboard.

The toilet room is ventilated by a ceiling-mounted exhaust fan, terminating its exhaust within the building. No general ventilation system we obse1;ved for the open garage area.

Garage Building Modine Unit Heater Garage Floor Plan

Store Building:

Heating is provided for the building by an HB Smith packaged steam boiler installed in 1992, installed in the basement, with input capacity of787,000 Btu per hour. The gas-fired boiler produces low-pressure steam that is connected to distribution piping serving unit heaters located throughout the building. Condensate returns to a duplex condensate receiver tank where it is pumped back to the boiler to repeat the process.

Sidewall propeller fans provide general ventilation for the main floor area.

Store 'Building Condensate Receiver Tank HB Smith Boiler

Options

Main Hospital:

Option 1 : The existing steam building heating system, including Cleaver Brooks boilers, · associated condensate receivers, boiler feed tanks, breeching, fuel-oil pumps, underground fuel-oil storage tank, steam distribution piping, radiators, condensate return piping, steam traps, and all associated appurtenances would be removed in their entirety. A four-pipe system would be designed to provide simultaneous heating and cooling for the entire building. Bigh-efficiency gas

fired condensing boilers and base-mounted variable-speed pumps located in the basement mechanical room would circulate the heating water to fan coil units located throughout the facility. A roof-mounted air-cooled chiller would be piped to the basement mechanical room where basemounted variable-speed pumps would circulate the chilled water to the same fan coil units located throughout the facility. A plate-and-frame heat exchanger, located in the basement mechanical room, would provide isolation between the chiller and the chilled water distribution loop so as to segregate the glycol solution to the chiller side of the system for freeze protection. Both the heating distribution system loop and the cooling distribution system loop would be provided with an air separator, expansion. tank, and chemical feed. The chilleq water loop would be provided

with automatic glycol fill. Each vertical floor-mounted fan coil unit would consist 9f a filter, hot water coil, chilled water coil, blower fan, and controls. Miscellaneous heating devices would be utilized to heat entrances, staircases, mechanical spaces, etc. ·Packaged roof-mounted energy recovery ventilators, with heating and cooling capability, would provide code-required ventilation to the corridors. Exha~st from the toilet rooms would be connected to the energy recovery ventilators. The Hurst boilers would remain for service to the kitchen and laundry. It is assumed that the acoustical asbestos ceiling at the corridors will need to be abated.

Option 2: The existing steam building heating system, including Cleaver Brooks boilers, associated condensate receivers, boiler feed tanks, breeching, fuel-oil pumps, underground fuel-oil storage tank, steam distribution piping, radiators, condensate return piping, steam traps, and all associated. appurtenances would be removed in their entirety. A two-pipe manual changeover system would be designed to provide heating or cooling for the entire building. High-efficiency gas-fired condensingboilers and base-mounted variable-speed pumps located-in the basement

,· ' . . ,

mechanical room would circulate the heating water through the primary distribution piping loop to fan coil units located throughout the facility. A roof-mounted air-cooled chiller would be piped to a plate-and-frame heat exchanger, located in the basement mechanical room, providing isolation between the chiller and the chilled water distribution loop so as to segregate the glycol solution to the chiller side of the system for freeze protectiqn. The other side of the exchanger would be tied into the primary distribution loop with manual isolation valves. The same base-mounted variablespeed pumps would circulate the cooling glycol water through the primary distribution piping loop to the same fan coil units l.ocated throughout the facility. The distribution system loop would be provided with an air separator, expansion tank, chemical feed,. and automatic glycol fill. Each

vertical floor-mounted fan coil unit would consist of a filter, heating/cooling coil, blower fan, and

controls. Miscellaneous heating devices would be utilized to heat entrances, staircases, mechanical spaces, etc. Packaged roof-mounted energy recovery ventilators, with heating and cooling capability, would provide code-required ventilation to the corridors. Exhaust from the toilet rooms would be connected to the energy recovery ventilators. The Hurst boilers would remain for service to the kitchen and laundry. It is assumed that the acoustical asbestos ceiling at the corridors will need to be abated.

Quarry Hill Dormitory:

Option 1: The existing steam building heating system, including boiler, condensate receiver, breeching, steam distribution piping, radiators, condensate return piping, steam traps, and all

associated appurtenances would be removed in their entirety. A two-pipe manual changeover system would be designed to provide heating or cooling for the entire building. Two highefficiency gas-fired condensing boilers and base-mounted variable-speed pumps located in the basement mechanical room would circulate the heating water through the primary distribution piping loop to fan coil units located throughout the facility. A grade-mounted air-cooled chiller would be piped to the basement mechanical room and tied into the primary distribution loop with manual isolation valves. The same base-mounted variable-speed pumps would circulate the cooling glycol water through the primary distribution piping loop to the same fan coil units located throughout the facility. The distribution system loop would be provided with an air separator, expansion tank, chemical feed, and automatic glycol fill. Each vertical floor-mounted fan coil unit would consist of a filter, heating/cooling coil, blower fan, and controls. Miscellaneous heating devices would be utilized to heat entrances, staircases, mechanical spaces, etc. Packaged grademounted or attic-mounted energy recovery ventilators, with heating and cooling capability, would provide code-required ventilation to the corridors.

Option 2: The existing steam building heating system, including boiler, condensate receiver, breeching, steam distribution piping, radiators, condensate return piping, steam traps, and all associated appurtenances would be removed in their entirety. Two high-efficiency gas-fired condensing boilers and base-mounted variable-speed pumps located in the basement mechanical room would circulate the heating water through the primary distribution piping loop to fan coil units located throughout the facility. The distribution system loop would be provided with an air separator, expansion tank, and chemical feed. Grade-mounted air-cooled condensing units would

\ be connected to each fan coil unit via refrigerant lines. Each vertical floor-mounted fan coil unit would consist of a filter, hot water coil, direct expansion coil, blower fan, and controls. Miscellaneous heating devices would be utilized to heat entrances, staircases, mechanical spaces, etc. Packaged grade-mounted or attic-mounted energy recovery ventilators, with heating and cooling capability," would provide code-required ventilation to the· corridors.

Clark Building: .

Option 1: The existing hot water boiler, breeching, base-mounted pumps, air separator, expa.z?.sion

tank, distribution piping; unit ventilators, and all associated appurtenances would be removed .in

their entirety. Two.high-efficiency gas-fired condensing boilers and base-mounted variable-speed pumps located in the basement mechanical room would-circulate the heating water through the

primary distribution piping loop to unit ventilators located throughout the facility. A grade

mounted air-cooled.chiller would be piped to the basement mechanical room ~d tied into the

primary distribution loop with manual isolation valves. The same base-mounted variable-speed

pumps would circulate the cooling glycol water through the primary distribution piping loop to the

same unit ventilators located throughout the facility. The distribution system _loop would be

provided with an air separator, expansion tank, chemical f~ed, and automatic glycol fill. :Each floor-mounted unit ventilator would consist of a filter, heating/cooling coil, bl()wer fan, and

controls. Miscellar;teous heating devices would be utilized to heat entrances, staircases, mechanical spaces, etc.

Option 2: The existing hot water boiler, breeching, base-motinted pumps, air separator, expansion

tank, distribution piping, unit ventilators, and all associated appurtenances would be removed in

their entirety. Two high-efficiency gas-fired condensing boilers and base-mounted variable-speed . . -.

pumps located in the basement mechanical room would circulate the heating water through t~e primary distribution piping loop to unit ventilators located throughout the facility. The distribution

system loop would be provided with an ·air separator, expansion tank, and chemical feed. ,Grade

mounted air-cooled condensing units would be connected to each unit ventilator via refrig·erant

lines. Each floor-mounted urut ventilator would consist of a filter, hot water coil; direct expansion

coil, blower fan, and controls. Miscellaneous heating devices would be utilized to heat entrances, staircases, mechanical spaces, etc.

Garage:

Option 1: The existing gas-fired Modine unit heaters would remain in service. Upgrade the toilet

room ventilation system with code-required exhaust terminating to the outside. Provide a .

packaged terminal air condition~r with electric heat for service to the office space. Provide general

ventilation: system for the open garage area.

Option 2: Remove the gas-fired Modine unit heaters in their entirety. Provide a packaged gas-fired

floor-mounted forced air turnover system with fresh air connection for service to the main Garage

floor area. Upgrade the toilet room ventilation system with code-required exhaust terminating to the outside. Provide. a packaged terminal air conditioner with electric heat for service to the office

space.

Store Building:

.Option 1: Remove the existing boiler, condensate receiver, unit heaters, and steam traps. Provide new steam boiler, condensate receiver, unit heaters, and steam traps. Upgrade the code-required combustion air to the mechanical room. Existing steam distribution and condensate return piping would remain in service. Provide a packaged terminal air conditioner with electric heat for service

to office spaces and the proposed Nourishment Product Storage area. Provide general ventilation

system Jor the open floor area.

Option 2: The existing steam building heating system, including boiler, condensate receiver,

breeching, steam distribution piping, unit heaters, condensate retuni piping, steam traps, and all associated appurtenances would be removed in their entirety. A high-efficiency gas-fired condensing boiler and base-mounted variable-speed pumps located in the basement mechanical room would circulate the heating water through the primary distribution piping loop to unit heaters located throughout the facility. Provide a packaged terminal air conditioner with electric heat for service to office spaces and the proposed Nourishment Product Storage area. Provide general ventilation system for the open floor area.

Preferred Solution

For all five buildings, Option 1 is the preferred recommendation for the following reasons:

~ain Hospital: The four-pipe heating and cooling system allows for heating and cooling on demand while providing humidity control. Each patient room is. provided with a thermostaticallycontrolled fan-coil unit for ideal space comfort control.

Quarry Hill Dormitory: The hydronic two-pipe system provides good quality heating or cooling while utilizing a single grade-mounted chiller as opposed to several condensing units located around the perimeter of the building. Each dormitory room is provided with a thermostaticallycontrolled fail-coil unit for ideal space comfort control.

Clark Building: The hydronic two-pipe system provides good quality heating or cooling while utilizing a single grade-mounted chiller as opposed to several condensing units located around the perimeter of the building. Each office space is provided with a thermostatically-controlled unit ventilator for ideal space comfort control.

Garage: The existing gas-fired Modine unit heaters are in good working order and can continue to remain in service. Adding general ventilation to the open garage area will prove to be an inexpensive improvement.

Store Building: Due to the fact that this building has a large percentage of glazing, utilizing steam

in lieu ofhydronic heat is the best solution to guard against damage due to frozen pipes.

Concept Design

General diagrams depicting flow diagrams ofproposed four pipe heating and cooling system, two

pipe manual changeover system, heating-orily distribution system, and steam distribution system, are indicated on sketches attached.

Cost Estimate

An opinion of probable construction costs for each option"is included as an attachment.

Design and Construction Schedule

We estimate that the schedule for replacement of the existing HVAC systems for the Main Hospital would include a four month design process and approximately twelve to eighteen months construction time from award to completion. The wor~ may be able to be accomplished while the building·is occupied but would require a sophisticated phasing plan.

We estimate that the schedule for replacement of the existing HVAC systems for the Quarry Hill Dormitory would include a two month design process and approximately six to nine months construction time from award to completion. The building is presently unoccupied.

We estimate that the schedule for replacement of the existing HV AC systems for the Clark

Building would include a two month design process and approximately six to nine months construction time from award to completion. The work may be able to be accomplished while the building is occupied but would require a phasing plan.

We estimate that the schedule for replacement of the existing HV AC systems for the Garage would include a one month design process and approximately two months constructiqn time from award to completion. The work may be able to be accomplished while the building is occupied.

We estimate that the schedule for replacement of the existing HVAC systems for the Store Building would include a two month design process and approximately four months construction time from award to completion. The work may be able to be accomplished while the building is occupied.

AIR FLOW OUTSIDE MECHANICAL ROOM

AIR FLOW

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INSIDE MECHANICAL ROOM

~~~--------~~------------~----~CHWS

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WB&A WOZNY/BARBAR & ASSOCIATES, INC

CONSULllNG ENGINEERS

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1 0_90 Washington street Hanover, MA 02339 Tel: (718)826-4144 Fax: (781)829-5023

MECHANICAL . ROOM

~~ui~; NJSI I Date: '10-26-20121

ROOF

NOTE: CHILLER SHALL BE INSTALLED AND PIPED IN ACCORDANCE WITH THE UNIT MANUFACTURER'S RECOMMENDATIONS SUCH TO ALLOW FOR VARIABLE SPEED PUMPING. MINIMUM FLOw" THROUGH THE CHILLER SHALL BE MAINTAINED AT PART LOADS.

OUTSIDE MECHANICAL ROOM

~ AIR FLOW AIR FLOW

--~--

DUNNAGE BY G.C. (TYP.)J

VIBRATION ISLOATORS (TYP.)

2-PIPE CHANGEOVER FLOW DIAGRAM SCALE: NTS

NOTE: . PROVIDE ·. AUTOMATICALLY CONTROLLED SHUT -OFF VALVES FOR HEATING ONLY o'EVICES. THE VALVES SHALL CLOSE WHEN. WATER TEMP. DROPS BELOW ·so· F.

F PRESSURE REDUCING VALVE

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Project: WESTERN MASSACIIJSETTS HOSPITAL STUDY 91 EAS~ MOUNT~, ROAD, WESTFB.D, MA 01085

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1090 Washington Street Hanover, MA 02339 Tel: (718)826-41 44 Fax: · (781 )829-5023

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Project: WESTERN MASSACIIJSETTS HOSPITAL snov 'File: 121681 Drawing No:

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1090 Washington street Hanover, MA 02339 Tel: (718)826-41+4 Fax: (781 )829-5023

':>COle: ml I Date: 10-26-20121

-BAKER / If.IOHL ARCHITECTS

WESTERN MASSACHUSETTS HOSPITAL

COST ESTIMATE FOR MECHANICAL STUOY

I · 175 Derby St., Suite 5, Hingham, MA 02043 A.M. F 0 gartY--~------TE_L_=_(7_s_1> .... ~:..4ti_~~-7®_~-~-·£_6~:a-~..iir~(:c_sJ_!n_7_4o--2-6-52

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Western Massachusetts Hospital Mechanical Study

Westfield, MA

December 21, 2012

GRAND SUMMARY

MAIN HOSPITAL --

OPTION 1 - 4 PIPE FAN COIL SYSTEM

OPTION 2-2 PIPE FAN COIL SYSTEM

QUARRY HILl. DORMITORY

OPTION 1 - 2 PIPE FAN COIL SYSTEM w/ AIR COLLED CHILLER

OPTION 2- 2 PIPE SYSTEMw/ CONDENSING UNITS

CLARK BUILDING

OPTION 1 - UV REPLACEMENT w/ AIR COOLED CHILLER

OPTION 2 - UV REPLACEMENT w/ CONDENSING UNIT

GARAGE

OPTION 1

OPTION2

STORE BUILDING

OPTION 1

OPTION 2

OPTION 1: TOTAL FOR ALL 5 BUILDINGS

OPTION 2: TOTAL FOR ALL 5 BUILDINGS

Prepared by: A.M. Fogarty & Associates, Inc. WESTERN HOSP MECHANICAL 11-1212/21/20128:42 AM

$6,035,816

$5,461,759

$1,046,654

$1 ,187,974

$1,009,037

$1,180,164

$33,704

$81,936

$65,516

$116,670

$8,190,726

$8,028,503

Page 1

PROJECT:

LOCATION: CLIENT: DATE:

No.: 12089

Western Massachusetts Hospital MechaniCal Study· · Westfield, MA Baker/Wohl Architects 21-Dec-12

Western Massachusetts Hospital- Mechanical Study 12/2I/20I2 ===----=============================================--~=============~================

DESCRIPTION

MAIN HOSPITAL

OPTION I - 4 PIPE FAN COIL SYSTEM

DEMOLITION AND ARCHITECTURE:

Remove 20,000 gal. Underground fuel tank

Remove existing mech system Cut and Patch fmishes Repair interiors Steel roof dunnage Cut and Patch Roofing

DEMOLITION AND ARCHITECTURE

MECHANICAL

Gas fired boiler (1 ,728 mbh) Boiler piping trim and valves HW eire. Pump (3ph, 7 1/2 hp) Plate and Frame Heat Exchanger ChemFeed · Combustion air louver and plenum PH Tank Expansion tank Air separator

Flue: 12"

Air Cooled Chiller ( 200 ton) CW Pumps - 10 hp. CW Piping trim and valves Air separator Expansion tanls: Chemical feed

Energy Recovery Unit: ERU Ductwork, grills, registers and dampers

Distribution: Mechanical piping Vert. Fan coil ( 1 'per 300/sf) Hydraunic heating devices

Prepared by: A.M. Fogarty & Associates, Inc. WESTERN HOSP MECHANICAL 11-12

QUANTITY

93,536 93,536 93,536

6 1

2 I 2 1 I I 1 1 1

200

1 2 1 1 1 1

18,000 93,536

93,536 3IO

10

. UNIT UNIT COST TOTAL

LS 50,000.00 5~,000

GSF 1.00 93,536 GSF 2.00 18?,072 GSF 5.00 467,680

TONS 4,500.00 27,000 LS 10,000.00 IO,OOO

---------------785,2881

EA 26,000.00 52,000 LS I5,000.00 I5,000 EA 8,800.00 I7,600 LS 20,0,00.00 20,000 LS 4,500.00 4,500 LS 7,500.00 7,500 LS 2,500.00 2,500 EA 4,000.00 4,000 EA 3,200.00 '3,200

LF 245.00 49,000

LS I75,000.00 175,000 EA 8,500.00 17,000 LS 12,000.00 12,000 EA 3,600.00 3,600 EA 4,000.00 4,000 LS 8,500.00 8,500

CFM 10.00 180,000 GSF 8.00 748,288

GSF 7.00 654,752 EA 2,400.00 744,000 EA 2,000.00 20,000

Page2

Western Massachusetts Hospital- Mechanical Study 12/21/2012 =========--========================================================================= DESCRIPTION QUANTITY UNIT UNIT COST TOTAL

· ===========~=======================================================================

Temp Control 93,536 GSF 5.00 467,680 Test and Balance 93,536 GSF 0.45 42,091 Misc. HVAC 93,536 GSF 1.00 93,536

---------------HVAC 3134517471

I COST PER S.F. $35.77

ELECTRICAL

POWER DISTRIBUTION MAIN SWBD OR MECH DISTRIBUTION PANEL Install 150/3 CB for chiller EA 750.00 750

DISCONNECT SWITCHES - 3 POLE HEAVY DUTY- TO 250 VOLTS 3POLE 30AMPF 4 EA 219.00 876 60AMPF 4 EA 378.00 1,512 200AMPFWP 1 EA 1,032.00 1,032 MOTOR CONROLS Wire up outlying new HV AC equipment . LS 50,000.00 5o;ooo VARIABLE FREQUENCY DRIVE 20HP 4 EA 5,157.00 20,628 MOTOR CIRCUITS INEMT THREE PHASE 20AMP 4 EA 630.00 2,520 50-60 AMP 4 EA 832.00 3,328 150 AMP I EA 1,943.00 -1,943

Demolition LS 1,000.00 1,000 Permit/temporary electric LS 500.00 500

----------ELECTRICAL 8410891 I COST PER S.F. $0.90

----------SUBTOTAL 4,215,124 GENERAL CONDITIONS 10% 421,512

----------SUBTOTAL 4,636,637 OVERHEAD AND PROFIT 5% 231,832

----------SUBTOTAL 4,868,468 INSURANCE 0.65% 31,645

----------SUBTOTAL 4,900,113 P&P BOND (all trades) 1% 49,001

.................... SUBTOTAL 4,949,115 PERMIT 1% 49,491

----------SUBTOTAL 4,998,606 DESIGN CONTINGENCY 15% . 749,791

----------SUBTOTAL 5,748,397

Prepared by: A.M. Fogarty & Associates, Inc. Page 3 WESTERN HOSP MECHANICAL 11-12

Western Massachusetts Hospital- Mechanical Study

DESCRIPTION QUANTITY UNIT UNIT COST

12/2112012

TOTAL =======================--==========================

ESCALATION (SPRING 2013)

I TOTAL OPTION 1


5% . 287,420

6,035,8161

Page4

Western Massachusetts Hospital- Mechanical Study 12/21/2012

DESCRIPTION QUANTITY UNIT UNIT COST TOTAL ======--==-- -=================== ===--======·=====--======

I COST PER S.F.

OPTION 2 - 2 PIPE FAN COIL SYSTEM


Remove 20,000 gal. Underground fuel tank

Remove existing mech system Cut and Patch finishes Repair interiors Steel roof dunnage Cut and Patch Roofing


MECHANICAL

Gas fired boiler (1,728 mbh) Boiler piping trim and valves HW eire. Pump (3ph, 7 1/2 hp) Plate and Frame Heat Exchanger Chern Feed Combustion air louver and plenum PH Tank Expansion tank Air separator

Flue: 12"

Air Cooled Chiller ( 200 ton) CW Piping trim and valves

Energy Recovery Unit: ERU Ductwork, grills, registers and dampers

Distribution: Mechanical piping Vert. Fan coil ( 1 per 300/sf) Hydraunic heating devices

Temp Control Test and Balance Misc. HVAC

ELECTRICAL

POWER DISTRIBUTION

\

HVAC

MAIN SWBD OR MECH DISTRIBUTION PANEL

Prepared by: A.M. Fogarty & Associates, Inc. WESTERN HOSP MECHANICAL I H2

93,536 93,536 93 ,536

6 1

2 1 2 1 1 1 1 1 1

200

18,000 93,536

93,536 310 . 10

93,536 93 ,536 93 ,536

LS

GSF GSF GSF

TONS LS

EA LS EA LS LS LS LS EA EA

LF

LS LS

CFM GSF

GSF . EA EA

GSF GSF GSF

COST PER S.F.

$64.53 I

50,000.00 50,000

1.00 93,536 2.00 187,072 5.00 467,680

4,500.00 27,000 10,000.00 10,000

---------------785,2881

26,000.00 52,000 15,000.00 15,000 8,800.00 17,600

20,000.00 20,000 4,500.00 4,500 7,500.00 7,500 2,500.00 2,500 4,000.00 4,000 3,200.00 3,200

245.00 49,000

175,000.00 175,000 12,000.00 12,000

10.00 180,000 8.00 748,288

4.50 420,912 2,200.00 682,000 2,000.00 20,000

4.50 420,912 0.45 42,091 1.00 93,536

---------------2,970,0391

$31.75

Page 5

· Western Massachusetts Hospital - Mechani~al Study

DESCRIPTION QUANTITY

Install 150/3 CB for chiller

DISCONNECT SWITCHES - 3 POLE HEAVY DUTY - TO 250 VOLTS 3POLE 30AMPF 4 200AMPFWP 1 MOTOR CONROLS Wire up outlying new HV AC equipment MOTOR CIRCUITS INEMT THREE PHASE 20AMP 2 30AMP 2 150 AMP 1

Demolition Pe~it/temporary electric

ELECTRICAL

SUBTOTAL GENERAL CONDITIONS

SUBTOTAL OVERHEAD AND PROFIT

SUBTOTAL INSURANCE

SUBTOTAL }>&P BOND (all trades)

SUBTOTAL PERMIT

SUBTOTAL DESIGN CONTINGENCY

SUBTOTAL ESCALATION (SPRING 2013)

TOTAL OPTION 2 COST PER S.F .

. Prepared by: A.M. Fogarty & Associates, Inc. WESTERN HOSP MECHANICAL 11-12

12/2112012

UNIT UNIT COST TOTAL

EA 750.00 750

EA 2 19.00 876 EA 1,032.00 1,032

LS 50,000.00 50,000

EA 630.00 1,260 EA 771.00 1,542 EA 1,943 .00 1,943

. LS 1,000.00 1,000 LS 500.00 500

....................

I COST PER S.F. 58l9031 $0.63

----------3,814,230

10 % 38 1,423 . ----------

4,195,653 5% 209,783

----------4,405,436

0.65% 28,635 ---------·-

4,434,071 1% 44,341

----------4,478,412

1 % 44,784 ----------

4,523,196 15% 678,479

----------5 ,201~675

5% 260;084 ----------

5 461 759 $58.39

Page 6


DESCRJPTION QUANTITY UNIT UNIT COST

QUARRY HILL 'DORMITORY

OPTION 1 -2 PIPE FAN COIL SYSTEM w/ AIR COLLED CHILLER


Remove existing mech system Cut and Patch finishes · Repair interiors Chiller pad and screening Cut and Patch for Corridor Ventilation


MECHANICAL

Gas fired boiler (1 ,200 mbh) Boiler piping trim and valves HW eire. Pump (3ph, 5 hp) Chern Feed Combustion air louver anq plenum PH Tank Expansion tank Air separator

Flue: 12"

Air Cooled Chiller ( 40 ton) CW Pumps - 5 hp CW Piping trim and valves Air separator Expansion tank Chemical feed

ERV Unit for Corridor Ventialtion

Distribution: Mechanical piping Vert. Fan coil ( 1 per 300/sf) Hydraunic heating devices Corridor Ventialtion

Temp Control Test and Balance Misc.HVAC

ELECTRJCAL:

POWER DISTRJBUTION

HVAC

MAIN SWBD OR MECH DISTRJBUTION PANEL Install 150/3 CB for chiller

Prepared by: A. M. Fogarty & Associates, Inc. WESTERN HOSP MECHANICAL 11-12

14,308 14,308 14,308

1 4,000

I 1 2 l 1 1 1 1

50

1 2 1 2 2 1

14,308 57

5 4,000

14,308 14,308 14,308

GSF GSF GSF

LS SF

EA LS EA LS LS LS EA EA

LF

LS EA LS EA EA LS

LS

GSF EA EA SF

GSF GSF GSF

COST PER S.F.

EA

1.00 2.00 5.00

20,000.00 3.00

18,500.00 10,000.00 6,500.00 4,500.00 7,500.00 2,500.00 4,000.00 3,200.00

245 .00

48,000.00 6,500.00

10,000.00 3,600.00 4,000.00 8,500.00

35,000.00

4.50 2,400.00 2,000.00

7.50

5.00 0.45 1.00

750.00

12/21/2012

TOTAL

14,308 28,6 1() 71,540 20,000 12,000

146,4641

18,500 10,000 13,000 4,500 7,500 2,500 4,000 3,200

12,250

48,000 13,000 10,000 7,200 8,000 8500

35,000

64,386 136,800 10,000 30,000

71,540 6,439

14,308

_______ .. _______

538,6231 $37.64

750

Page 7



DISCONNECT SWITCHES - 3 POLE HEAVY DUTY - TO 250 VOLTS 3 POLE. 30AMPF 4 200AMPFWP 1 MOTOR CONROLS Wire up outlying new HV AC equipment MOTOR CIRCUITS INEMT THREE PHASE 20AMP 2 30AMP 2 30AMP 2

Demolition Permit/temporary electric

ELECTRICAL



,, SUBTOTAL INSURANCE

SUBTOTAL P&P BOND (all trades)

SUBTOTAL PERMIT



TOTAL OPTION I COST PER S.F.


UNIT UNIT COST

EA 219.00 EA 1,032.00

LS 35,000.00

EA 630.00 EA 771.00 EA 1,943.00

LS 1,000.00 LS 5QO.OO

I COST PER S.F.

10%

5%

. 0.65 %

I %

I %

15%

5%

$73.15

I2/21120I2

TOTAL

876 1,032

35,000

1,260 1,542 3,886

1,000 500

45~846 1 $3.20

- -·--·-----730,933

73,093 ----------804,026 40,201

----------844,,227

5,487 ------·---849,715

8,497 ----------858,212

8!582 ----------866,794 130;019 ----------996,813 49,841

----------I 046 654

Page 8

Western Massachusetts Hospital- Mechanical Study 12/2112012

DESCRIPTION QUANTITY UNIT UNIT COST TOTAL =========================================================================~=======

OPTION 2- 2 PIPE SYSTEM w/ CONDENSING UNITS


Remove existing mech system Cut and Patch fmishes Repair interiors Cut and Patch for Corridor Ventilation

DEMOLITION AND ARCIDTECTURE

MECHANICAL

Gas fired boiler (1,200 mbh) Boiler piping trim and valves HW eire. Pump (3ph, 5 hp) Chern Feed Combustion air louver and plenum PH Tank Expansion tank Air separator

Flue: 12"

ERV Unit for Corridor Ventialtion

Distribution: Mecha~cal piping Vert. Fan coil ( I per 300/sf) Hydraunic heating devices Condensing Unit ( 1 1/2 ton ) Refrigerant piping

Temp Control Test and Balance Mis·c. HVAC

ELECTRICAL:

DISCONNECT SWITCHES - 3 POLE HEAVY DUTY - TO 250 VOLTS 3 POLE 30AMPF MOTOR CONROLS Wire up outlying new HV ACequipment MANUAL STARTER Single phase motor starter switch MOTOR CIRCUITS INEMT SINGLE PHASE

HVAC


14,308 14,308 14,308 4,000 .

1 1 2 1 1 1 1 1

50

14,308 57

5 . 57

4,560

14,308 14,308 14,308

4

2

GSF GSF GSF

SF

EA LS EA LS LS LS EA EA

LF

LS

GSF EA EA EA LF

GSF GSF GSF

COST PER S.F.

EA

LS

EA

1.00 2.00 5.00 3.00

18,500.00 10,000.00 6,500.00 4,500.00 7,500.00 . 2,500.00 4,000.00 3,200.00

245.00

35,000.00

4.50 2,400.00 2,000.00 1,450.00

36.00

5.00 0.45 1.00

219.00

35,000.00

111.00

14,308 28,616 71,540 12,000

126,4641

18,500 10,000 13,000 4,500 7,500 2,500 4,000 3,200

12,250

35,000

64,386 136,800

10,000 82,650

164,1 60

71,540 6,439

14,308

--·-----·------·-660,7331 $46.18

876

35,000

222

· Page 9

Western Massachusetts Hospital - Mechanical Study


20AMP 2 THREE PHASE 20AMP 2 30AMP 3

Demolition Permit/temporary electric

ELECTRICAL



SUBTOTAL INSURANCE

SUBTOTAL P&P BOND (all trades) .

SUBTOTAL PERMIT

SUBTOTAL DESIGN CdNTlNGENCY


TOTAL OPTION 2 COST PER S.F.


12/2112012

UNIT UNIT COST TOTAL ..

EA 605.00 1,210

EA 63 0~00 1,260 EA 771.00 2,313

LS 1,000.00 1,000 LS 500.00 ·. 500

I COST PER S.F. 4224271 $2.97

-·---------829,624

10 % 82,962 ----------912,586

5% 45',629 ----------958',215

0.65% 6,228 ------·--·--964,444

1 % 9,644 ----------974,088

1 % 9,741 ----------983,829

15% 147,574 ---·--·-----

1,131,404 5 % 56;570

----------1 187 974

$83.03

Page 10

Western Massachusetts Hospital - Mechanical Study 12/21/2012 ==================================================================--================ DESCRIPTION QUANTITY UNIT UNIT COST TOTAL

CLARK BUILDING

OPTION 1 - UV REPLACEMENT w/ AIR COOLED CHILLER


Remove existing mech system 16,800 GSF 1.00 16,800 Cut and Patch fmishes 16,800 GSF 2.00 33,600 Repair interiors 16,800 GSF 3.00 50,400 Chiller pad and screening . I LS 20,000.00 20,000

____ .. __________

DEMOLITION AND ARCHITECTURE 120,8001

MECHANICAL

Gas fired boiler ( 500 mbh) 2 EA 14,000.00 28,000 Boiler piping trim and valves 1 LS . 11,000.00 11,000 HW eire. Pump (3ph, 5 hp) 2 EA 6,500.00 13,000 Chern Feed 1 LS 4,500.00 4,500 Combustion air louver and plenum 1 LS 7,500.00 7,500 PH Tank 1 LS 2,500.00 2,500 Expansion tank 1 EA 4,000.00 4,000 Air separator 1 EA 3,200.00 3,200

Flue: 12" 80 LF 245.00 19,600

Air Cooled Chiller ( 40 ton) 1 LS 48,000.00 48,000 CW Pumps - 5 hp 2 EA · 6,500.00 13,000 CW Piping trim and valves 1 LS 10,000.00 10,000 Air separator 2 EA 3,600.00 7,200 Expansion tank 2 EA 4,000.00 8,000 Chemical feed 1 LS 8,500.00 . 8,500

Distribution: Mechanical piping 16,800 GSF 4.50 75,600 Replace Unit Ventilators 50 EA 3,600.00 180,000 Hydraunic heating devices 4 EA 2,000.00 8,000

Temp Control 16,800 GSF 5.00 84,000 Test and Balance 16,800 GSF 0.45 . 7,560 Misc.HVAC 16,800 GSF 1.00 16,800

---------------HVAC 559l9601

COST PER S.F. $33.33

ELECTRICAL: POWER DISTRIBUTION MAIN SWBQ OR MECH DISTRIBUTION PANEL lnstall l 50/3 CB for chiller EA 750.00 750

DISCONNECT SWITCHES - :3 POLE HEAVY DUTY- TO 250 VOLTS 3 POLE 30AMPF 4 EA 219.00 876

Prepared by: A.M. Fogarty & Associates, Inc. Page II WESTERN HOSP MECHANICAL 11 -12

Western-Massachusetts Hospital- Mechanical Study 12/21/2012

DESCRIPTiON QUANTITY UNIT UNIT COST TOTAL =============================~===================================================

200AMPFWP MOTOR CONTROLS Wire up outlying new HV AC equipment MOTOR CIRCUITS INEMT THREE PHASE 20AMP 30AMP I 50 AMP

Demolition Permit!temporazy ·electric


SUBTOTAL . OVERHEAD AND PROFIT

SUBTOTAL INSURANCE


SUBTOTAL PERMIT


SUBTOTAL

ELECTRICAL

ESCALATION (SPRING 2013)

TOTAL OPTION I

2 2 I

COST PER S.F.

Prepared by: A.M. Fogarty & Associates, Inc. WESTERN HOSP MECHANICAL I 1-12

EA

LS

EA EA EA

EA EA

COST PER S.F.

10%

5%

0.65%

1%

I%

15%

5%

I,032.00

15,000.00

630.00 771.00

1,943.00

1,000.00 500.00

$60.06

I,032

I5,000

1,260 1,542 1,943

1,000 500 .

23,9031 $1.42

----------704,663

70,466 ..................... 775,129

38,756 ----------813,886

5,290 ----------819,176

8,192 ----------827,368

8,274 ----------835,64I 125,346 ----------960,988 48·,049

----------1 009 037

Page 12

Western Massachusetts Hospital - Mechanical Study 12/21/2012 ==================--=--===----=============================--=========================== DESCRIPTION QUANTITY UNIT UNIT COST TOTAL

OPTION 2 - UV REPLACEMENT w/ CONDENSING UNIT


Remove existing mech system 16,800 GSF 1.00 16,800 Cut and Patch finishes 16,800 GSF 2.00 33,600 Repair interiors 16,800 GSF 3.00 50,400 Chiller pad and screening 1 LS · 20,000.00 20,000

---------------DEMOLITION AND ARCHITECTURE 120,8001

MECHANICAL

Gas frred boiler ( 500 mbh) 2 EA 14,000.00 28,000 Boiler piping trim and valves 1 LS 11 ,000.00 11,000 HW eire. Pump (3ph, 5 hp) 2 EA 6,500.00 13,000 Chern Feed I LS 4,500.00 4,500 Combustion air louver and plenum I LS 7,500.00 7,500 PH Tank I LS 2,500.00 2,500 Expansion tank I EA 4,000.00 4,000 Air separator 1 EA 3,200.00 3,200

Flue: 12" 80 LF 245.00 19,600

Distribution: Mechanical piping 16,800 GSF 4.50 75,600 Replace Unit Ventilators 50 EA 3,600.00 180,000 Hydniunic heating devices 4 EA 2,000.00 8,000 Condensing Unit ( 1 112 ton ) 50 EA 1,450.00 72,500 Refrigerant piping 4,000 LF 36.00 I44,000

Temp Control I6,800 GSF 5.00 84,000 Test and Balance 16,800 GSF 0.45 7,560 Misc.HVAC 16,800 GSF 1.00 16,800

---------------HVAC 681l7601

I COST PER S.F. $40.58

ELECTRICAL: DISCONNECT SWITCHES ~ 3 POLE HEAVY DUTY - TO 250 VOLTS 3 POLE 30AMPF 4 EA 219.00 876 MOTOR CONTROLS Wire up outlying new HV AC equipment LS 15,000.00 15,000

. MANUAL STARTER Single phase motor starter switch MOTOR CIRCUITS

2 EA 111.00 222

INEMT SINGLE PHASE 20AMP 2 EA 605.00 1,2 10 THREE PHASE 20AMP 2 EA 630.00 1,260

Prepared by: A. M. Fogarty & A ssociates, Inc. WESTERN HOSP MECHANICAL 11-1 2 Page 13

" Western Massachusetts Hospital- Mechanical Study 12/2112012 =======================--=========~===================================~=========~===


30AMP 2

Demolition . Permit/temporary electric

. '

ELECTRICAL


·suBTOTAL OVERHEAD ANb PROFIT

SUBTOTAL INSURANCE

SUBTOTAL . P&P BOND{all trades)

SUBTOTAL PERMIT



TOTAL OPTION I COST PER S.F.

Prepared by: A.M. Fogarty & Associates, Inc. WESTERN HOSP MECHANICAL I 1-12


EA 771.00 1,542

LS 1,000.00 1,000 LS 500.00 500

----------

COST PER S.F. 2126101 $1.29

----------824,170

10% 82,417 ----------

5% 906:587 45;329

----------95(916

0.65% 6,187 ----------958~ 104

1% 9;581 ----------967,685

1% 9,677 ----------9T/.:362

15% 146\604 . ----------

1,123,966 5% 56;198

----------I I80 I64

$70.25

Page 14

. Western Massachusetts Hospital- Mechanical Study 12/2112012

DESCRIPTION QUANTITY UNIT UNIT COST TOTAL ======================--===============~=======----===================================

GARAGE

OPTION I

Upgrade toilet exhaust system Office 2 - TON ductless split system Open floor ventilation

DISCONNECT SWITCHES - 3 POLE HEAVY DUTY - TO 250 VOLTS 3 POLE 30AMPF 30AMPFWP MOTOR CIRCUITS INEMT THREE PHASE 20AMP 30AMP

Permit/temporary electric



SUBTOTAL INSURANCE


SUBTOTAL PERMIT



TOTAL OPTION. 1


LS LS LS

EA EA

EA EA

EA

10%

5%

0.65 %

I %

I%

15 %

5 %

4,000.00 7,500.00

10,000.00

219.00 303.00

630.00 685.00

200.00

4,000 7,500

10,000

219 303

630 685

200

----------23,537

2,354 ----------25,891

1,295 ----------27,185

177 -------27,362

274 ----------

27,636 276

----------27,912.

4,187 --·--·-----32,099

1,605 ----------

33,704

Page 15


DESCRIPTION

OPTION2

Remove modine heater - allow Gas piping Gas ftred AHU w/ ductwork

Upgrade toilet exhaust system Office 2 - TON ductless split system Open floor ventilation

DISCONNECT SWITCHES - 3 POLE HEAVY DUTY - TO 250 VOLTS 3 POLE 30AMPF MANUAL MOTOR STARTERS Single phase motor starter MOTOR CIRCUITS INEMT SINGLE PHASE 20AMP THREE PHASE 30AMP




SUBTOTAL INSURANCE


SUBTOTAL PERMIT


SUBTOTAL ESCALATION (SPRING 20 13)

TOTAL OPTION 2

Prepared by: A. M. Fogarty & Associates, Inc. WESTERN HOSP MECHANICAL 11-12

QUANTITY

6 1

4,000

12/21/2012


EA 150.00 900 LS 5,000.00 5,000

· GSF 7.00 28,000

LS 4,000.00 4,000 LS 7,500.00 7,500 LS 10,000.00 10,000

EA 219.00 219

EA 111.00 111

EA 605.00 605

EA 685.00 685

EA 200.00 200

----------57,220

10 % 5,,722 ----------

. 62,942 5 % 3,147

----------66,089

0.65% 430 --------66,519

1 % 665 -----·-----67,184

1 % 672 ----------67,856

15 % 10,178 ----------78,034

5 % 3,902 ----------

81,936

Page 16

I ·

Western Massachusetts Hospital - Mechanical Study 12/21/20I2

DESCRIPTION QUANTITY UNIT UNIT COST TOTAL ===================================================================================

STORE BUILDING

OPTION I

Remove. boiler, condensate receiver, unit heater a New steam boiler, piping and trim Replace mech room combustion air intake Office 2 -TON ductless split system Open floor ventilation

DISCONNECT SWITCHES - 3 POLE HEAVY DUTY - TO 250 VOLTS 3 POLE 30AMPF 30AMPFWP MANUAL MOTOR STARTERS ~ingle phase motor starter MOTOR CIRCUITS INEMT SINGLE PHASE 20AMP THREE PHASE 20AMP 30AMP




SUBTOTAL INSURANCE


SUBTOTAL PERMIT



TOTAL OPTION I

P repared by: A.M. Fogarty & Associates, Inc. WESTERN HOSP MECHANICAL I I-12

LS LS LS LS LS

EA EA

EA

EA

EA EA

EA

IO%

5%

0.65%

I%

I%

I5%

5%

2,500.00 18,000.00 5,000.00 7,500.00

10,000.00

2I9.00 303.00

111.00

605.00

630.00 685.00

200.00

2,500 18,000 5,000 7,500

10,000

2I9 303

111

605

630 685

200

----------45,753 4,575

----------50,328 2,5I6

----------52,845

343 ----------

53,I88 532

----------53 ,720

537 ----------54,257

8,139 ----------

62,396 3,I20

----------65,5I6

Page 17

Western Massachusetts Hospital- Mechanical Study 12/2 1/2012

DESCRIPTION · QUANTITY UNIT UNIT COST TOTAL

OPTION2

Remove boiler, condensate receiver, unit heater a 1 LS 2,500.00 2,500 New steam boiler, piping and trim 1 LS - 18,000.00 18,000 Replace mech room combustion air intake 1 LS 5,000.00 5,000 Replace hot water distribution 8,664 GSF 4.00 34,656 Office 2 - TON ductless split system 1 LS 7,500.00 7,500 Open floor ventilation 1 LS 10,000.00 . 10,000

DISCONNECT SWITCHES - 3 POLE HEAVY DUTY- TO 250 VOLTS 3 POLE 30AMPF 3 EA 219.00 657 30AMPFWP 1 EA 303.00 303 MANUAL MOTOR STARTERS Single phase motor starter EA 111.00 111 MOTOR CIRCUITS INEMT SINGLE PHASE 20AMP EA 605.00 605 THREE PHASE 20AMP 2 EA 630.00 1,260 30AMP 1. EA 685:oo 685

Permit/temporary electric EA . 200.00 200

----------SUBTOTAL 81;477 GENERAL CONDITIONS 10 % 8,148

.................... SUBTOTAL 89,625 OVERHEAD AND PROFIT 5% 4,481

----------SUBTOTAL 94,106 INSURANCE 0.65 % 612

----------SUBTOTAL· 94,718 P&P BOND (all trades) 1% 947

.---·-------SUBTOTAL 95,665 PERMIT 1 % 957

----------SUBTOTAL 96,621 DESIGN CONTINGENCY 15% 14,493

----------SUBTOTAL 111,115 ESCALATION (SPRING 2013) 5% 5,556

----------TOTAL OPTION 2 116,670

Prepared by: A.M. Fogarty & Associates, Inc. · WESTERN HOSP MECHANICAL 11-12 . Page 18

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