HomeMy WebLinkAboutB13-0358 mech plans APPROVEDGeneral1.Immediately noti
f
y
t
h
e
e
n
g
i
n
e
e
r
o
f
a
n
y
d
i
s
c
r
e
p
a
n
c
i
e
s
.
2.Do not scale draw
i
n
g
s
.
V
e
r
i
f
y
d
i
m
e
n
s
i
o
n
s
i
n
f
i
e
l
d
p
r
i
o
r
t
o
commencement o
f
w
o
r
k
.
3.It is the intent of
t
h
e
s
e
d
r
a
w
i
n
g
s
a
n
d
s
p
e
c
i
f
i
c
a
t
i
o
n
s
t
o
e
s
t
a
b
l
i
s
h
a
standard of quali
t
y
.
T
h
e
e
n
g
i
n
e
e
r
r
e
s
e
r
v
e
s
t
h
e
r
i
g
h
t
t
o
t
a
k
e
exceptions to app
r
o
v
e
m
e
t
h
o
d
s
a
n
d
m
a
t
e
r
i
a
l
s
n
o
t
r
e
f
l
e
c
t
e
d
herein.4.Work shall be pe
r
f
o
r
m
e
d
i
n
a
w
o
r
k
m
a
n
l
i
k
e
m
a
n
n
e
r
t
o
t
h
e
satisfaction of th
e
e
n
g
i
n
e
e
r
a
n
d
a
r
c
h
i
t
e
c
t
.
5.Labor, materials,
a
n
d
e
q
u
i
p
m
e
n
t
s
h
a
l
l
c
o
n
f
o
r
m
t
o
t
h
e
l
a
t
e
s
t
applicable editio
n
s
o
f
l
o
c
a
l
,
S
t
a
t
e
o
f
C
o
l
o
r
a
d
o
,
a
n
d
N
a
t
i
o
n
a
l
Codes and ordina
n
c
e
s
.
I
f
c
o
n
f
l
i
c
t
b
e
t
w
e
e
n
t
h
o
s
e
p
u
b
l
i
c
a
t
i
o
n
s
exists, the most s
t
r
i
n
g
e
n
t
r
e
q
u
i
r
e
m
e
n
t
s
h
a
l
l
a
p
p
l
y
.
6.Provide record d
r
a
w
i
n
g
s
t
o
o
w
n
e
r
.
D
r
a
w
i
n
g
s
s
h
a
l
l
i
n
c
l
u
d
e
a
l
l
addendum items,
c
h
a
n
g
e
o
r
d
e
r
s
,
a
l
t
e
r
a
t
i
o
n
s
,
r
e
-
r
o
u
t
i
n
g
s
,
e
t
c
.
7.The drawings sho
w
t
h
e
i
n
t
e
n
t
o
f
t
h
e
m
e
c
h
a
n
i
c
a
l
s
y
s
t
e
m
s
b
u
t
d
o
not show all deta
i
l
s
r
e
q
u
i
r
e
d
.
I
t
i
s
t
h
e
r
e
s
p
o
n
s
i
b
i
l
i
t
y
o
f
t
h
e
contractors to ins
t
a
l
l
c
o
m
p
l
e
t
e
&
o
p
e
r
a
b
l
e
s
y
s
t
e
m
s
,
w
h
i
c
h
conform to the m
a
n
u
f
a
c
t
u
r
e
r
s
'
i
n
s
t
a
l
l
a
t
i
o
n
s
i
n
s
t
r
u
c
t
i
o
n
s
&
industry standard
s
.
8.Systems shall be
t
e
s
t
e
d
f
o
r
p
r
o
p
e
r
o
p
e
r
a
t
i
o
n
.
I
f
t
e
s
t
s
s
h
o
w
w
o
r
k
is defective, cont
r
a
c
t
o
r
s
h
a
l
l
m
a
k
e
c
o
r
r
e
c
t
i
o
n
s
n
e
c
e
s
s
a
r
y
a
t
n
o
cost to owner.9.It is the contracto
r
s
'
a
n
d
m
a
n
u
f
a
c
t
u
r
e
r
s
'
r
e
s
p
o
n
s
i
b
i
l
i
t
y
t
o
a
s
s
u
r
e
themselves that t
h
e
c
o
d
e
a
u
t
h
o
r
i
t
i
e
s
w
i
l
l
a
p
p
r
o
v
e
a
n
y
p
r
o
d
u
c
t
t
o
be installed on th
e
p
r
o
j
e
c
t
.
10.Systems shall be
p
r
o
f
e
s
s
i
o
n
a
l
l
y
l
a
b
e
l
e
d
.
11.Offset piping, du
c
t
w
o
r
k
,
e
t
c
.
a
s
n
e
c
e
s
s
a
r
y
t
o
a
c
c
o
m
m
o
d
a
t
e
structure, beams,
c
o
l
u
m
n
s
,
a
n
d
e
x
i
s
t
i
n
g
e
q
u
i
p
m
e
n
t
.
12.Contractor must
c
a
r
e
f
u
l
l
y
v
e
r
i
f
y
e
l
e
c
t
r
i
c
a
l
s
e
r
v
i
c
e
v
o
l
t
a
g
e
a
n
d
phase available p
r
i
o
r
t
o
o
r
d
e
r
i
n
g
e
q
u
i
p
m
e
n
t
.
Piping13.Heating Water p
i
p
i
n
g
-
F
o
r
n
o
n
-
b
u
r
i
e
d
p
i
p
i
n
g
,
t
y
p
e
'
L
'
c
o
p
p
e
r
,
wrought copper f
i
t
t
i
n
g
s
,
a
n
d
n
o
l
e
a
d
s
o
l
d
e
r
.
P
r
o
v
i
d
e
a
l
t
e
r
n
a
t
e
price for PEX-a p
i
p
i
n
g
.
14.Boiler Condensa
t
e
s
h
a
l
l
b
e
n
e
u
t
r
a
l
i
z
e
d
v
i
a
a
n
e
u
t
r
a
l
i
z
a
t
i
o
n
b
a
s
i
n
before discharge
i
n
t
o
b
u
i
l
d
i
n
g
d
r
a
i
n
a
g
e
s
y
s
t
e
m
.
C
o
n
d
e
n
s
a
t
e
piping shall be P
V
C
o
r
o
t
h
e
r
a
p
p
r
o
v
e
d
m
a
t
e
r
i
a
l
s
u
i
t
a
b
l
e
f
o
r
p
H
levels of 3.
15
.
Ga
s
P
i
p
i
n
g
-
S
c
h
e
d
u
l
e
4
0
b
l
a
c
k
s
t
e
e
l
p
i
p
e
,
1
5
0
l
b
.
m
a
l
l
e
a
b
l
e
i
r
o
n
sc
r
e
w
e
d
f
i
t
t
i
n
g
s
o
n
a
b
o
v
e
g
r
o
u
n
d
p
i
p
e
.
16
.
Ga
s
V
a
l
v
e
s
-
L
u
b
r
i
c
a
t
e
d
p
l
u
g
v
a
l
v
e
1
7
5
l
b
.
W
.
O
.
G
.
i
r
o
n
s
c
r
e
w
e
d
or
f
l
a
n
g
e
d
.
17
.
Co
p
p
e
r
p
i
p
e
V
a
l
v
e
s
a
n
d
S
p
e
c
i
a
l
t
i
e
s
:
Ga
t
e
V
a
l
v
e
s
:
Br
o
n
z
e
,
C
l
a
s
s
1
2
5
,
2
0
0
l
b
.
W
.
O
.
G
.
Ba
l
l
V
a
l
v
e
s
:
Br
o
n
z
e
,
C
l
a
s
s
1
2
5
,
2
0
0
l
b
.
W
.
O
.
G
.
Ch
e
c
k
V
a
l
v
e
s
:
Br
o
n
z
e
,
C
l
a
s
s
1
2
5
,
2
0
0
l
b
.
W
.
O
.
G
.
Ba
l
a
n
c
i
n
g
V
a
l
v
e
s
:
12
5
p
s
i
g
w
.
p
.
f
o
r
2
5
0
F
s
e
r
v
i
c
e
t
i
g
h
t
s
h
u
t
-
o
f
f
,
Il
l
i
n
o
i
s
d
u
a
l
-
p
u
r
p
o
s
e
,
b
a
l
a
n
c
i
n
g
/
s
h
u
t
-
o
f
f
va
l
v
e
,
H
o
f
f
m
a
n
,
S
a
r
c
o
,
o
r
e
q
u
i
v
a
l
e
n
t
.
18
.
Su
p
p
o
r
t
p
i
p
e
w
i
t
h
r
o
d
a
n
d
c
l
e
v
i
s
o
r
c
l
a
m
p
s
.
N
o
p
i
p
e
t
a
p
e
al
l
o
w
e
d
.
19
.
Di
e
l
e
c
t
r
i
c
U
n
i
o
n
s
-
F
u
r
n
i
s
h
a
n
d
i
n
s
t
a
l
l
a
d
i
e
l
e
c
t
r
i
c
u
n
i
o
n
a
t
a
l
l
co
n
n
e
c
t
i
o
n
s
w
h
e
r
e
n
o
n
-
f
e
r
r
o
u
s
m
a
t
e
r
i
a
l
i
s
i
n
c
o
n
t
a
c
t
w
i
t
h
f
e
r
r
o
u
s
ma
t
e
r
i
a
l
a
n
d
f
l
u
i
d
i
n
n
o
t
p
r
o
t
e
c
t
e
d
w
i
t
h
c
o
r
r
o
s
i
o
n
i
n
h
i
b
i
t
o
r
s
.
Du
c
t
w
o
r
k
20
.
In
s
t
a
l
l
a
l
l
d
u
c
t
w
o
r
k
p
e
r
S
M
A
C
N
A
s
t
a
n
d
a
r
d
s
.
21
.
Se
a
l
a
l
l
d
u
c
t
w
o
r
k
j
o
i
n
t
s
a
n
d
v
a
p
o
r
b
a
r
r
i
e
r
p
e
n
e
t
r
a
t
i
o
n
s
a
t
a
l
l
ex
t
e
r
i
o
r
w
a
l
l
s
.
Bo
i
l
e
r
F
l
u
e
&
C
o
m
b
u
s
t
i
o
n
A
i
r
P
i
p
i
n
g
22
.
Bo
i
l
e
r
f
l
u
e
p
i
p
i
n
g
s
h
a
l
l
b
e
C
P
V
C
,
c
o
m
p
l
y
i
n
g
w
i
t
h
A
S
T
M
F
4
4
1
.
23
.
Bo
i
l
e
r
c
o
m
b
u
s
t
i
o
n
a
i
r
p
i
p
i
n
g
s
h
a
l
l
b
e
P
V
C
,
c
o
m
p
l
y
i
n
g
w
i
t
h
AS
T
M
D
1
7
8
5
.
Co
n
t
r
o
l
s
24
.
In
s
t
a
l
l
e
m
e
r
g
e
n
c
y
g
a
s
s
h
u
t
o
f
f
s
w
i
t
c
h
i
n
s
i
d
e
m
e
c
h
a
n
i
c
a
l
r
o
o
m
s
co
n
t
a
i
n
i
n
g
b
o
i
l
e
r
s
.
S
w
i
t
c
h
p
l
a
t
e
s
h
a
l
l
b
e
r
e
d
i
n
c
o
l
o
r
a
n
d
l
a
b
e
l
e
d
³*
$
6
%
8
5
1
(
5
(
0
(
5
*
(
1
&
<
6
:
,
7
&
+
´
6
Z
L
W
F
K
V
K
D
O
O
E
H
co
m
p
l
i
a
n
t
w
i
t
h
S
e
c
t
i
o
n
1
0
0
6
.
8
o
f
t
h
e
2
0
1
2
I
M
C
.
Ba
l
a
n
c
i
n
g
25
.
Ai
r
a
n
d
w
a
t
e
r
f
l
o
w
s
m
u
s
t
b
e
b
a
l
a
n
c
e
d
,
a
n
d
p
u
m
p
s
a
d
j
u
s
t
e
d
a
s
re
q
u
i
r
e
d
.
In
s
u
l
a
t
i
o
n
26
.
In
s
u
l
a
t
e
a
l
l
h
e
a
t
i
n
g
w
a
t
e
r
a
n
d
d
o
m
e
s
t
i
c
h
o
t
w
a
t
e
r
p
i
p
i
n
g
w
i
t
h
1/
2
"
c
l
o
s
e
d
c
e
l
l
A
P
A
r
m
a
f
l
e
x
(
o
r
e
q
u
a
l
)
p
i
p
e
i
n
s
u
l
a
t
i
o
n
.
Mechanica
l
S
p
e
c
i
f
i
c
a
t
i
o
n
s
1.Boilers (B-1, B-2)a.Boilers shall be staged, modulated, and rotated by integralLochinvar controls to maintain HWS setpoint at temperaturesensor TS-1 (located on common supply pipe).b.HWS setpoint shall be reset based on outdoor temperatures )#)WR)#)DGM e.+:6VHWSRLQWVKDOOEHUDPSHGXSWR) DGM GXULQJDFDOOIRUdomestic hot water heating or snowmelting (contractor to sizeVQRZPHOWKHDWH[FKDQJHUIRU)(:7)/:7'RQRWutilize domestic hot water prioritization. Provide a domestic hotwater recirculation piping system with pump.e.+:6VHWSRLQWVKDOOEHUDPSHGXSWR) DGM GXULQJDFDOOIRUkitchen make-up air.f.Boiler pumps shall start whenever associated boiler is called tofire.2.Space Heating (Radiant Floor & UH-1 Unit Heater)a.Upon a call for heating, associated 2-way zone valve shall openand radiant floor pump shall start. Provide a motorized mixingvalve and Tekmar control for automatic reset control of theradiant floor supply temperature ()#)WR)#)DGM 3.Kitchen Make-up Air & Supplemental Heat (FC-1)a.FC-1 shall be electrically interlocked to run whenever kitchenhood fan is operating. FC-1 blower shall start and normally openRA damper shall open and normally closed OSA damper shallopen. Dedicated pump shall start and Tekmar 356 control shallvary the pump speed to maintain a discharge air temperature of65) DGM DVPHDVXUHGE\DWHPSHUDWXUHVHQVRUPRXQWHGLQWKHsupply air duct. Pump shall be disabled if OSA temperatures areDERYH) DGM 3XPSVKDOOUXQIXOOVSHHGGXULQJDFDOOIRUsupplemental heating in the Living Room.b.Recommended dedicated pump for FC-1 is a Grundfos UPS26-99FC. Required pipe size is 1-1/4" for 11 GPM.Sequence of Operation 1.B-1 & B-2 Boiler Systema.Boiler shall be piped together for a common central boilersystem, refer to Sequence of Operation for additionalinformation.b.Boilers have been sized for the following loads:b.a.Space Heating via Radiant Floor (throughout home) andvia UH-1 Unit Heater (Garage).b.b.Domestic Water Heating via WH-1 Water Heater.b.c.Kitchen Make-up Air & Supplemental Heating via FC-1.1200 CFM of kitchen exhaust assumed.b.d.Exterior Snowmelt - 1200 SF maximum, via a brazed plateheat exchanger.Boiler System Description
8/
2
7
/
1
3
8/
2
7
/
1
3
8/
2
7
/
1
3