Exhibit_C_B1_Drawing.pdf
PDF 2 MB Posted
- Attached to
- Furnish and Install New Boilers - Austin NGA
- Solicitation number
- 2000018641
- Issued by
- Mower County, Minnesota
About this file
Exhibit C - Drawing Summary
This drawing document supports the Department of Military Affairs' boiler installation project at Austin NGA in Austin, Minnesota. The exhibit provides technical specifications and visual representations for the furnish and installation of two new boilers at the facility located at 800 21st Street NE, Austin, MN 55912-4167. The drawing serves as a reference document for bidders to understand the physical layout, connection points, and installation requirements for the approved boiler models: Lochinvar FTX Series, Hydrotherm KN Series, or approved equal alternatives. The technical specifications depicted in this drawing are essential for contractors to accurately estimate labor, materials, equipment, and timeline requirements for project completion.
The drawing functions as a critical component of the bid package, enabling prospective contractors to visualize spatial constraints, clearances, piping configurations, and structural considerations necessary for proper boiler installation. This documentation ensures all bidders have access to identical technical information, promoting competitive bidding accuracy and consistency in project estimates. Contractors must reference this drawing in conjunction with the Scope of Work and other contract documents to develop comprehensive proposals that address all installation requirements and site-specific conditions.
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Text version
M-102
M-102
B-1
B-2
BP-1
BP-2
PSH-1
CP-2
M-102
EXISTING EXPANSION TANK
EXISTING FILTRATION SYSTEM
ROUTE BOILER FLUES INSIDE
OF EXISTING CHIMNEY STACK
3" HWR (EXST)
2" NG (EXST)
3" HWS (EXST)
1" HWS (EXST)
3/4" HWR (EXST)
1-1/2" HWR (EXST)
END-CAP ON PROPANE
GAS CONNECTION
END-CAP ON DOMESTIC WATER
NEW 4" HIGH CONCRETE
HOUSEKEEPING PAD
4"Ø BOILER FLUE PER
MANUFACTURERS RECOMMENDATIONS
4"Ø BOILER VENTING PER
MANUFACTURERS RECOMMENDATIONS
3/4"ø HWR
1 1/2"ø HWR
2 1/2"ø HWS 2 1/2"ø HWR
3/4"ø NG
1"ø NG
1"ø HWS
3"ø HWS
CP-1
NEW HOSE END BALL VALVE
M-102
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1/2" = 1'-0"M-101
1 BOILER PIPING PLAN
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M-102
B-1 B-2
BP-2BP-1
PSH-1
2 1/2"ø HWR
1 1
77 7
EXISTING FLOOR DRAIN
2 1/2"ø HWR
2 1/2"ø HWS
2 1/2"ø HWS
2 1/2"ø HWR
3"ø HWS
3"ø HWR 3"ø HWR
3"ø HWS
1 1/2"ø HWR 3"ø HWR
1"ø NG
3/4"ø NG
3/4"ø NG
1"ø NG 3"ø HWR
2" NG (EXST)
3/4"ø C
3/4"ø C
ROUTE 4"Ø BOILER FLUES
INSIDE OF EXISTING CHIMNEY
STACK UP TO THE ROOF
4"Ø BOILER VENTING
NEW 4" HIGH CONCRETE HOUSEKEEPING PAD
1/2"ø HWR
1/2"ø HWR
M-102
B-1 BP-1
3/4"ø C 3/4"ø C
2 1/2"ø HWR
2 1/2"ø HWS
3/4"ø NG
4"Ø BOILER FLUE PER
MANUFACTURERS RECOMMENDATIONS
4"Ø BOILER VENTING
PER MANUFACTURERS
RECOMMENDATIONS
NEW 4" HIGH CONCRETE
HOUSEKEEPING PAD
CP-2
11 11
3"ø HWS
3"ø HWS
3"ø HWS
3"ø HWS
3"ø HWS 1"ø HWS
3"ø HWS
3/4"ø HWR
3"Ø HWS (EXST)
EXISTING HOUSEKEEPING PAD
EXISTING DOMESTIC WATER
1"Ø HWS (EXST)
CP-1
B-1
B-2BP-1
BP-2
PSH-1
CP-2
EXISTING EXPANSION TANK
EXISTING HYDRONIC FILTRATION SYSTEM
5 1
CP-1 10
EXISTING CHIMNEY CAP
ROUTE NEW BOILER FLUE UP
THROUGH CHIMNEY AND DISCHARGE
THROUGH EXISTING CHIMNEY CAP,
SIMMILAR TO EXISTING
EXISTING
EXPANSION
TANK
EXST
EXST
1"ø HWS 3/4"ø HWS
(EXST)
EXST
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1/2" = 1'-0"M-102
1 REAR BOILER SECTION DETAIL
1/2" = 1'-0"M-102
2 SIDE BOILER SECTION DETAIL
1/2" = 1'-0"M-102
3 PUMP SECTION DETAIL
M-102
5 BOILER ROOM PIPING ISOMETRIC
PIPING DEVICE LEGEND
NOTE # NOTE DESCRIPTION
1 BALL VALVE
2 BALL VALVE-NORMALLY CLOSED
3 CHECK VALVE
4 BALANCING VALVE
5 PRESSURE GAUGE
6 GAS REGULATOR
7 TEMPERATURE GAUGE
8 BUTTERFLY VALVE
9 CONDENSATE NEUTRALIZER
10 SUCTION DIFFUSER
11 TRIPLE DUTY VALVE
12 END-CAP
13 SYSTEM STATIC PRESSURE SENSOR FOR DDC SYSTEM
14 AUTOMATIC AIR VENT
15 HOSE END BALL VALVE-NORMALLY CLOSED
CHILLED WATER
AIR SEPARATOR
1" = 1'-0"M-102
4 CHIMNEY BOILER VENT DETAIL
1/2" = 1'-0"M-102
6 EXPANSION TANK DETAIL
1. CLEAN, FLUSH AND FILL THE ENTIRE HEATING SYSTEM IN ACCORDANCE
WITH SECTION 23 2500 AND 22 2114
MECHANICAL NOTES:
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REGULATE TO
EQUIPMENT REQUIRED PSI
TO GAS FIRED
EQUIPMENT
TO GAS MAIN
DIRT LEG
THREADED CAP
TRIPLE DUTY VALVE
SUPPLY
RETURN
BALL VALVE, TYP
PRESSURE/ALTITUDE GAUGE
WITH GAUGE VALVES
CONCRETE HOUSEKEEPING PAD
SECURE PUMP WITH FLUSH TYPE
ANCHORS, CAP BOLTS AND GROUT
DRAIN PLUG
ADJUSTABLE FOOT SUPPORT
SUCTION DIFFUSER ALLOW
18" MINIMUM CLEARANCE
FOR STRAINER REMOVAL
CONCENTRIC REDUCER, TYP
PUMP CONNECTOR, TYP
BUTTERFLY VALVE
MINNES
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BOILER SCHEDULE
GENERAL MECHANICAL ELECTRICAL
EQUIP. TAG LOCATION
GAS FLUID
VENTING SIZE MANUFACTURER MODEL # NOTES VOLTAGE /
PHASETYPE INPUT (MBH) LOW OUTPUT
(MBH)
HIGH OUTPUT
(MBH) BOILER GPM BOILER W.P.D. EWT LWT
B-1 MECH ROOM NATURAL 600 83.571 585 59.0 4.4 120 140 4" LOCHINVAR FTX600 120 / 1 B-2 MECH ROOM NATURAL 600 83.571 585 59.0 4.4 120 140 4" LOCHINVAR FTX600 120 / 1
HYDRAULIC SEPARATOR SCHEDULE
GENERAL MECHANICAL
EQUIP. TAG LOCATION SERVES CONN. SIZE GPM MANUFACTURER MODEL # NOTES
PSH-1 MECH ROOM HEATING WATER 3" 80.0 SPIROTHERM VDX 300 FA
PUMP SCHEDULE
GENERAL MECHANICAL ELECTRICAL
EQUIP. TAG LOCATION SERVES TYPE GPM DESIGN HEAD
(FT) FLUID HP MANUFACTURER MODEL # NOTES VOLTAGE /
PHASE
BP-1 MECH ROOM B-1 IN-LINE 59.0 15 30% PROPYLENE GLYCOL 1/2 BELL & GOSSETT ecocirc XL 20-140 208 / 1 BP-2 MECH ROOM B-2 IN-LINE 59.0 15 30% PROPYLENE GLYCOL 1/2 BELL & GOSSETT ecocirc XL 20-140 208 / 1 CP-1 MECH ROOM BUILDING LOOP BASE MOUNTED 80.0 40 30% PROPYLENE GLYCOL 2 BELL & GOSSETT e-1510 1.5 AD CP-2 MECH ROOM BUILDING LOOP BASE MOUNTED 80.0 40 30% PROPYLENE GLYCOL 2 BELL & GOSSETT e-1510 1.5 AD
NOT TO SCALEM-601
1 BASE MOUNTED PUMP DETAIL
NOT TO SCALEM-601
2 GAS PIPING DIRT LEG
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D.
MODBUS
BOARD
MODBUS
BOARD
TO DDC BACnet MS/TP
M
BOILER 1 BOILER 2
AO - BOILER OUTLET SETPOINT
DI - BOILER STATUS
DI - BOILER ALARM
DO - BOILER ENABLE
AO - BOILER OUTLET SETPOINT
DI - BOILER STATUS
DI - BOILER ALARM
DO - BOILER ENABLE
TS AI - RETURN TEMP
TS AI - SUPPLY TEMP
DI - PUMP STATUS
ECM
AO - PUMP SPEED
DO - PUMP START/STOP
ΔPS AI - PRESSURE DIFFERENTIAL
P
AI - SYSTEM PRESSURE
NOTE: LOCATE NEAR
EXPANSION TANK
CP-2
CP-1
BP-1 BP-2
* SEE PLANS FOR LOCATION
MDI - PUMP STATUS
ECMAV - PUMP SPEED
BY BOILER
TSTS
TO DDC BACnet MS/TP
CT MDI - PUMP STATUS
ECMAV - PUMP SPEED
BY BOILER
CT
BOILER MFG. HEADER SUPPLY SENSORS
CT DI - PUMP FAULT
M
DI - PUMP STATUS
ECM
AO - PUMP SPEED
DO - PUMP START/STOP
CT DI - PUMP FAULT
A.
1.
2.
3.
B.
1.
2.
3.
4.
5.
a.
6.
a.
b.
c.
d.
C.
1.
2.
3.
4.
5.
6.
a.
BOILER HEATING SYSTEM
Application Boilers: B-1, B-2 Boiler Pumps: BP-1, BP-2, Circulating Pumps: CP-1, CP-2
General Boiler Plant Control and Safety Requirements Each boiler shall operate as a master boiler and shall be provided with the manufacturer's controls to modulate under its own control. The Owner's Building Automation System (BAS) sequence the boilers by sending them setpoint commands.
Boilers shall use internal controls to modulate burner turndown for maximum efficiency.
The Owner's BAS shall manage equal run times for optimum efficiency and life cycle. Run times shall be monitored and managed via totalization of boiler status run times.
The boilers shall run subject to their own internal safeties and controls. The Owner's BAS shall monitor the heating system and its associated alarms.
The BAS shall pull in and monitor the boiler plant system points indicated below through a BACnet MS/TP communication gateway provided by the boiler manufacturer.
Each boiler shall act as a master boiler and shall be equipped with its own BACnet communication gateway card.
In addition to the BACnet integration points, each boiler shall be provided with the following hardwired points.
Boiler Enable (DO) Boiler Alarm (DI) Boiler Runtime/Firing Status (DI) Boiler Outlet Supply Setpoint (AO)
Safety Devices and Alarms:
Boiler Burner Failure Alarm: Signal an alarm if lead boiler burner fails to ignite as commanded. The lead boiler shall be disabled and the lag boiler shall start.
Low Temperature Alarm: Signal alarm when system supply water temperature is ten degrees (adjustable) below set point for more than 30 minutes (adjustable).
High Temperature Alarm: Signal alarm when system supply water temperature is ten degrees (adjustable) above set point for more than 30 minutes (adjustable).
Secondary Loop No-flow Alarm: Determine lead circulating pump status. Enable lag circulating pump and signal alarm if lead circulating pump fails to start as commanded.
Disable lead circulating pump.
Low Water Alarm: When low water is detected, the boiler shall be disabled. The low water cutoff shall provide a visual indicator light of alarm status.
Pump failure alarm: When a pump is commanded ON but the status is OFF.
In the event both the operating and standby pumps fail, retry the pump start-up sequence after a 10 minute (adj.) time delay.
D.
1.
2.
3.
E.
1.
2.
a.
3.
4.
F.
1.
2.
3.
G.
1.
2.
Outside air temperature above 60°F (adjustable):
Boilers shall be off.
All pumps shall be off.
Suppress alarms.
Outside air temperature below 60°F (adjustable):
Boiler pumps shall start/stop with corresponding boiler. Each boiler shall be equipped with their own internal controls to modulate the speed of each variable speed boiler pump to maintain the required temperature drop through the boiler.
Each boiler shall receive a supply setpoint from the Owner's BAS. Each boiler shall modulate under its own controls to maintain the supply setpoint. The Owner's BAS shall enable the boilers as needed to maintain the building loop hot water supply setpoint.
Each boiler shall be equipped with their own header supply sensor in order to modulate under its own control.
Lead circulating pump shall start and run continuously on a call for heat by the boiler plant. Circulating pump variable speed motor shall modulate as required to maintain system differential pressure as monitored by the pressure sensors located on the plans.
Supply water temperature shall be reset with the outside air temperature as follows:
OUTDOOR AIR TEMP (ADJ.) SUPPLY WATER TEMP (ADJ.)
60° F 100° F -10° F 140° F
Heating Water Differential Pressure Control:
The BAS shall measure hot water differential pressure and modulate the hot water pump speed to maintain its hot water differential pressure set-point.
The pumps minimum speed shall not drop below 20% (adjustable).
The differential pressure set-point shall be determined by the test & balance contractor at the time of system balancing. Set-point shall be adjustable to meet the requirements of actual field conditions.
Miscellaneous:
Boiler plant controls shall rotate lead boiler operation and provide lead, lag control of boilers to maintain equal runtimes between the two boilers.
BAS shall provide lead, lag control of the system loop operating and standby pumps. Refer to schedule. Rotate operation of pumps every 250 hours (adjustable).
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M-701
1 HOT WATER BOILER PLANT
BOILER PLANT DDC POINTS LIST
POINTS NAME DI DO AI AO DV AV TREND SCHED ALARM GRAPHIC
B-1 Enable X X X B-2 Enable X X X B-1 Runtime Status X X X B-2 Runtime Status X X X B-1 Fire Rate X X X B-2 Fire Rate X X X B-1 Inlet Temp X X X B-2 Inlet Temp X X X B-1 Outlet Temp X X X B-2 Outlet Temp X X X B-1 Outlet Temp Setpoint X X X B-2 Outlet Temp Setpoint X X X B-1 Alarm Status X X X X B-2 Alarm Status X X X X JCI System Supply Temp X X X JCI System Return Temp X X X Outside Air Temp (global) X X Heating System Static Pressure X X X Boiler Status Code, per Boiler X X Boiler Blocking Code per Boiler X X Boiler Lockout Coder per Boiler X X BP-1 Status X X X BP-2 Status X X X CP-1 Start/Stop X X X CP-1 Status X X X CP-1 Fault/Alarm X X X CP-1 Speed X X X CP-2 Start/Stop X X X CP-2 Status X X CP-2 Fault/Alarm X X X CP-2 Speed X X X System Pressure Differential X X X System Pressure Diff. Setpoint X X System Loop no Flow Alarm X High System Supply Temp X Low System Supply Temp X
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EXPANSION TANK AND PIPING
AS SHOWN TO REMAIN
HYDRONIC FILTRATION SYSTEM
AND PIPING AS SHOWN TO REMAIN
M-102
EXPANSION TANK AND PIPING
AS SHOWN TO REMAIN
HYDRONIC FILTRATION SYSTEM
AND PIPING AS SHOWN TO REMAIN
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1/2" = 1'-0"MD-101
1 MECH DEMOLITION PLAN
MD-101
2 DOMESTIC FILL DEMOLITION
MECHANICAL DEMOLITION NOTES
NOTE # NOTE DESCRIPTION
1 REMOVE BOILER AND ALL RELATED PIPING, VALVES AND CONTROLS
2 REMOVE PUMP AND ALL RELATED PIPING, VALVES AND CONTROLS
3 REMOVE AIR SEPARATOR AND RELATED PIPING
4 REMOVE HYDRONIC PIPING AS SHOWN, PREP REMAINING PIPING FOR CONNECTION
TO NEW PIPING
5 REMOVE HYDRONIC PIPING AS SHOWN
6 REMOVE BOILER FLUE, CHIMNEY TO REMAIN
7 REMOVE BOILER VENT/FLUE PIPING AS SHOWN
8 REMOVE BOILER INTAKE VENTING AS SHOWN, PREP REMAINING VENTING FOR
CONNECTION TO NEW VENTING
9 REMOVE NATURAL GAS PIPING AS SHOWN, PREP REMAINING PIPING FOR
CONNECTION TO NEW PIPING
10 REMOVE PROPANE GAS PIPING AS SHOWN, CAP REMAINING PIPE
11 REMOVE DOMESTIC WATER FILL PIPING AND VALVES AS SHOWN, CAP PIPING TO
ALLOW DOMESTIC WATER TO CONTINUE SERVING THE BUILDING
12 REMOVE DOMESTIC MAKE-UP WATER PIPING AND CAP REMAINING PIPE AS SHOWN
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| M-101 - HYDRONIC FLOOR PLAN |
| M-102 - BOILER ROOM DETAILS |
| M-601 - MECHANICAL SCHEDULES AND DETAILS |
| M-701 - BLDG. AUTOMATION CONTROL SCHEM. |
| MD-101 - MECHANICAL DEMOLITION PLAN |
File details come from the government source that posted it. Updated .