JA07 FTQW235100 Repair Hangar Doors (B1340) Mech Addendum M001 M110.pdf
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- FTQW235100 Repair Hangar Door B1340
- Solicitation number
- FTQW235100
About this file
This document is a set of mechanical design drawings and specifications for the Eielson Air Force Base Repair Hangar Doors (B1340) project, solicitation number FA500425C0019, located in Alaska.
The drawings provide comprehensive mechanical abbreviations, legends, schedules, and detailed design specifications for a snow melt heating system. Key components include a glycol heating system with two circulating pump stations (CP-1A and CP-1B for Zone A; CP-2A and CP-2B for Zone B), each utilizing a Grundfos UPS32-160 pump with 3/4 HP motor rated for 12 GPM at 36 feet of head with non-simultaneous operation. The system employs 5/8-inch radiant PEX tubing set to 12 GPM flow rates, supplied by 1.5-inch and 2-inch headers configured with isolation valves, check valves, balance valves, and strainers. The heating medium is 60% ethylene glycol and 40% water solution maintained at specified temperatures. Snow melt manifolds (SM-1 and SM-2) service areas of 900 square feet with 8 circuits each, generating 165 MBH and 215 MBH loads respectively. Design includes expansion joints, pipe insulation requirements, a snow/ice sensor for control, and detailed installation instructions for concrete slab integration. The technical specifications note that listed brands and models serve as basis of design but do not limit contractors to sole sources; alternative brands and models meeting salient features and performance requirements may be submitted. Document prepared by Design Alaska and signed by registered professional engineer Marcus P. Curley (ME 14660) with issue date of March 13, 2026, and addendum dated May 7, 2026.
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Text version
MECHANICAL SYMBOLS
CONNECTION TO EXISTING
DUCT FLOW ARROW
PIPE FLOW ARROW
PIPE CONNECTION
PIPE ELBOW TURNED DOWN
PIPE ELBOW TURNED UP
PIPE TEE DOWN
UNION
PIPE CAP
PIPE ANCHOR
PIPE GUIDE
PIPE BREAK
NS NC C
NO
ISOLATION VALVE
CHECK VALVE
NON-SLAM CHECK VALVE
BALANCE VALVE
STRAINER
STRAINER WITH BLOWDOWN
DRAIN VALVE
HOSE BIBB
THERMOMETER
SENSOR
PUMP
PRESSURE GAUGE
AIR VENT
PRESSURE & TEMPERATURE
TEST PORT
2-WAY CONTROL VALVE
3-WAY CONTROL VALVE
S
MECHANICAL LINETYPES
ABBREVIATION LINETYPE
GHS
GHR
EXISTING TO BE REMOVED
EXISTING
GLYCOL HEATING RETURN
GLYCOL HEATING SUPPLY
FULL NAME
MECHANICAL TAG LEGEND
PIPE TAG 6" GHS SYSTEM ABBREVIATION
NOMINAL PIPE SIZE
U.S. AIR FORCE
SHEET ID
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C:\Users\mpc\Documents\022501 - MECH CENTRAL - 2025_1340_DAI-MPC.rvt
5/6/2026 6:20:40 PM
M001
M E
C H
A N
IC
A
L A
B B
R E
V
IA
T
IO
N S
L E
G E
N D
S
A N
D S
C H
E D
U L E
S
M P
C
R A
B
B A
B
J B
P
ABBREVIATION FULL NAME
# NUMBER
& AND
(E) EXISTING
@ AT
A AIR
AFF ABOVE FINISHED FLOOR
AGT AVERAGE GLYCOL TEMPERATURE
AHU AIR HANDLING UNIT
APD AIR PRESSURE DROP
APPR APPROVED
APPROX APPROXIMATE
ARCH ARCHITECTURAL
ASSOC ASSOCIATED
AUTO AUTOMATIC
BAL BALANCING
BFF BELOW FINISHED FLOOR
BFP BACKFLOW PREVENTER
C COMMON
CHWR CHILLED WATER RETURN
CHWS CHILLED WATER SUPPLY
CHWS&R CHILLED WATER SUPPLY AND RETURN
CI CAST IRON
CLG COOLING
CO CLEAN OUT
CR CONDENSATE RETURN
Cv VALVE COEFFICIENT
CW COLD WATER
DB DECIBEL
DB DRY-BULB
DI DUCTILE IRON
DIA DIAMETER
DN DOWN
DWDI DOUBLE WIDTH, DOUBLE INLET
EA EXHAUST AIR
EAT ENTERING AIR TEMPERATURE
EF EXHAUST FAN
EGT ENTERING GLYCOL TEMPERATURE
ELEC ELECTRICAL
ESP EXTERNAL STATIC PRESSURE
EWT ENTERING WATER TEMPERATURE
EXIST EXISTING
FC FORWARD CURVED
FCO FLOOR CLEAN OUT
FD FLOOR DRAIN
FLA FULL LOAD AMPERAGE
FLEX FLEXIBLE
FP FIRE PROTECTION
GA GAUGE
GALV GALVANIZED
GHR GLYCOL HEATING RETURN
GHS GLYCOL HEATING SUPPLY
GHS&R GLYCOL HEATING SUPPLY AND RETURN
GI GALVANIZED IRON
HB HOSE BIBB
HPVR HIGH PRESSURE VAPOR REFRIGERANT
HRV HEAT RECOVERY VENTILATOR
HW HOT WATER
ID INSIDE DIAMETER
IE INVERT ELEVATION
INSUL INSULATION
IPS IRON PIPE SIZE
LAT LEAVING AIR TEMPERATURE
ABBREVIATION FULL NAME
LGT LEAVING GLYCOL TEMPERATURE
LPVR LOW PRESSURE VAPOR REFRIGERANT
LR LIQUID REFRIGERANT
LWT LEAVING WATER TEMPERATURE
MAX MAXIMUM
MECH MECHANICAL
MIN MINIMUM
MTR MOTOR
NC NORMALLY CLOSED
NC NOISE CRITERIA
NG NATURAL GAS
NIC NOT IN CONTRACT
NO NORMALLY OPEN
NPSH NET PUMP SUCTION HEAD
NTS NOT TO SCALE
OA OUTSIDE AIR
OAT OUTSIDE AIR TEMPERATURE
OBVD OPPOSED BLADE VOLUME DAMPER
OC ON CENTER
OD OUTSIDE DIAMETER
OFCI OWNER FURNISHED, CONTRACTOR INSTALLED
OFOI OWNER FURNISHED, OWNER INSTALLED
ORD OVERFLOW ROOF DRAIN
ORL OVERFLOW RAIN LEADER
OSA OUTSIDE AIR
P&T PRESSURE AND TEMPERATURE
PD PRESSURE DROP
PH PHASE
PRDV PRESSURE REDUCING VALVE
PRV PRESSURE RELIEF VALVE
RA RETURN AIR
RD ROOF DRAIN
RHW RECIRCULATING HOT WATER
RL RAIN LEADER
RP RADIANT PANEL
RPM REVOLUTIONS PER MINUTE
S/M SHEET METAL
S/S START/STOP
SH SHOWER
SIM SIMILAR
SP STATIC PRESSURE
SPEC SPECIFICATIONS
SS STAINLESS STEEL
ST STEAM
SWSI SINGLE WIDTH, SINGLE INLET
TDH TOTAL DYNAMIC HEAD
THW TEMPERED HOT WATER
TP TRAP PRIMER
TYP TYPICAL
UON UNLESS OTHERWISE NOTED
V VENT
VAV VARIABLE AIR VOLUME
VERT VERTICAL
VFD VARIABLE FREQUENCY DRIVE
VOL VOLUME
VTR VENT THROUGH ROOF
W WASTE
W/ WITH
W/O WITHOUT
WB WET-BULB
WCO WALL CLEAN OUT
WHA WATER HAMMER ARRESTOR
MECHANICAL ABBREVIATIONS
BALANCE VALVE SCHEDULE
DIAMETER
(IN)
MINIMUM
FLOW
(GPM)
MAXIMUM
FLOW
(GPM)
1/2 0.5 2
3/4 2.5 3
1 4 8
1-1/4 9 18
1-1/2 19 30
A K
AF AL
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T A
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49 TH
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R E
G
ISTERED
PROFESS IONAL
ENG
IN
E
E R
07 MAY 2026
Marcus P. Curley
ME 14660
A
D D
E N
D U
M
M
A Y
{1} SELECTION AND PRESSURE DROP BASED ON 60% ETHYLENE GLYCOL/40% WATER UNLESS OTHERWISE NOTED
{2} LISTED BRAND AND MODEL AS THE BASIS OF DESIGN DOES NOT LIMIT THE CONTRACTOR TO A SOLE BRAND/MODEL. ALTERNATIVE BRANDS AND MODELS MAY BE SUBMITTED MEETING THE SALIENT FEATURES AS OUTLINED IN THE TECHNICAL SPECIFICATIONS AND THE PERFORMANCE REQUIREMENTS LISTED IN THE EQUIPMENT SCHEDULES.
SM-2 900 8 165 12 215 11.9 6 150 40 HEAT LINK
SM-1 900 8 165 12 215 11.9 6 150 40 HEAT LINK
NAME AREA (SQ FT) CIRCUITS
TOTAL LOAD
(MBH)
MANIFOLD FLOW
RATE (GPM)
AVERAGE
TUBE
LENGTH
MAX CIRCUIT PD
(FT H20)
ON CENTER
SPACING
(IN)
SYSTEM
TEMP (F)
TEMPERATURE
DROP (F) BASIS OF DESIGN REMARKS
SNOW MELT MANIFOLD SCHEDULE {1}
{1} SELECTION AND PRESSURE DROP BASED ON 60% ETHYLENE GLYCOL/40% WATER UNLESS OTHERWISE NOTED
{2} LISTED BRAND AND MODEL AS THE BASIS OF DESIGN DOES NOT LIMIT THE CONTRACTOR TO A SOLE BRAND/MODEL. ALTERNATIVE BRANDS AND MODELS MAY BE SUBMITTED MEETING THE SALIENT FEATURES AS OUTLINED IN THE TECHNICAL SPECIFICATIONS AND THE PERFORMANCE
REQUIREMENTS LISTED IN THE EQUIPMENT SCHEDULES.
CP-1A
CP-1B
CP-2A
CP-2B
GLYCOL HEATING IN LINE 12 36' 2880 3/4 HP
115/1/60
GRUNDFOS
UPS32-160
0.5 1. NON-SIMULTANEOUS PUMP OPERATION
2. RPM BASED OFF MOTOR SPEED SETTING 2
3. PROVIDE PUMP SEALS RATED FOR 60% ETHYLENE
GLYCOL
SYMBOL SERVICE STYLE GPM
HEAD
(FT H2O) {1} RPM
MOTOR
DATA BASIS OF DESIGN MAX BHP REMARKS
CIRCULATING PUMP SCHEDULE
2"
RETURN
2"
2"
2"
5/8" RADIANT
TUBING, TYP
SET TO 12 GPM, TYP
5/8" RADIANT
TUBING, TYP
5/8" RADIANT
TUBING, TYP
5/8" RADIANT TUBING,
TYP
RETURN HEADER ON NORTH WALL
SET TO 12 GPM
SET TO 12
GPM, TYP
NC
NO
C
RETURN HEADER ON SOUTH WALL
CP-1A
CP-1B
CP-2B
CP-2A
1-1/2"
1-1/2"
2"
ZONE B
2"
FLOOR LEVEL
DETAIL GENERAL NOTES
1. PROVIDE SLEEVE WHERE RADIANT TUBING ENTERS CONCRETE
2"
RETURN
SET TO 12 GPM
NC
NO
C
1-1/2"
1-1/2"
ZONE A
2"
B1
M110
INSULATION PER CIVIL
SNOW MELT TUBING
4" FROM TOP
INSULATED SNOWMELT
CONCRETE SLAB,
COORDINATE WITH CIVIL
REBAR PER CIVIL (TYP)
EXPANSION JOINT, COORDINATE
NUMBER AND LOCATIONS WITH
CIVIL
WRAP PIPING WITH PIPE INSULATION PER
MANUFACTURERS RECOMMENDATIONS FOR A
MINIMUM OF 6" ON BOTH SIDE OF EXPANSION JOINT
THICKNESS PER CIVIL/STRUCTURAL
INSULATION, COORDINATE
WITH CIVIL
INSULATED SNOWMELT
CONCRETE SLAB,
COORDINATE WITH CIVIL
REBAR OR WIRE MESH,
COORDINATE WITH CIVIL
(TYP)
THICKNESS PER CIVIL/STRUCTURAL
SNOW/ICE SENSOR, INSTALL FLUSH
TO CONCRETE APRON SURFACE
SENSOR SOCKET, MOUNT TO
STAND-OFF PLATE PER
MANUFACTURER INSTALLATION
INSTRUCTIONS
CONDUIT FOR SENSOR
WIRING, SECURE TO REBAR.
AVOID TYING CONDUIT TO
REBAR WITHIN 6 FT OF
SENSOR SOCKET
SOCKET MOUNTING PLATE WITH
1/2" REBAR STAND-OFF AS
REQUIRED TO LOCATE SOCKET
AND SENSOR FLUSH TO THE
CONCRETE SURFACE
APRON SLAB
SLAB HEATING
5/8" PEX TUBING
ROUTE TUBING BELOW HANGER DOOR TO MANIFOLD
TRANSITION TUBING TO ELEVATION INDICATED ON
FASTEN TUBING TO SLAB REINFORCEMENT
B1
M110
HANGER SLAB PER STRUCTURAL
U.S. AIR FORCE
SHEET ID
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C:\Users\mpc\Documents\022501 - MECH CENTRAL - 2025_1340_DAI-MPC.rvt
5/6/2026 6:20:41 PM
M110
M E
C H
A N
IC
A
L D
E T
A
IL
S
M P
C
R A
B
B A
B
M P
C
M110 NO SCALE
D1 RADIANT HEATING MANIFOLD
M110 NO SCALE
B1 SNOWMELT PIPING DETAIL
M110 NO SCALE
B6 SNOWMELT SLAB SENSOR DETAIL
M110 NO SCALE
D7 SNOWMELT TUBE TRANSITION DETAIL
A K
AF AL
T S
T A
E O
49 TH
S
R E
G
ISTERED
PROFESS IONAL
ENG
IN
E
E R
07 MAY 2026
Marcus P. Curley
ME 14660
A
D D
E N
D U
M
M
A Y
| Sheets |
| M001 - MECHANICAL ABBREVIATIONS, LEGENDS, AND SCHEDULES |
| M110 - MECHANICAL DETAILS |
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