SECTION 23 09 24 CRITICAL ROOM CONTROL SYSTEM FOR HVAC

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CLEMENT J. ZABLOCKI MEDICAL CENTER

DEPARTMENT OF VETERANS AFFAIRS

MILWAUKEE, WI

6C & 5CN ACUTE CARE WARD RENOVATION

VA PROJECT: 695
-
223


CRITICAL ROOM CONTROL SYSTEM FOR HVAC

23 09 24
-

1

SECTION 23 09 2
4

CRITICAL ROOM CONTRO
L SYSTEM FOR HVAC

PART 1


GENERAL

1.1 DESCRIPTION

A.

The
C
ritical
R
oom
C
ontrol
s

system shall be as indicated on the project
documents, point list, drawings and described in these specifications.
This scope of work shal
l include a complete and working system
including all engineering, programming, controls and installation
materials, installation labor, commissioning and start
-
up, training,
final project documentation and warranty.

B
.

The
C
ritical
R
oom
C
ontrol
s

subcontra
ctor shall supply as required, all
necessary hardware equipment and software packages to interface between
the Johnson Controls Metasys System
as part of this contract. Number of
controllers required is dependent on the type and quantity of devices,
hardwa
re and software points provided.

1.2 RELATED WORK

A
.

Section 23 05 11, COMMON WORK RESULTS FOR HVAC AND STEAM GENERATION.

1.3 DEFINITION

A.

Refer to 23 09 23 for definitions.

1.4 QUALITY ASSURANC
E

A.

Criteria:

1
.

The
C
ritical
R
oom
C
ontrol
s

subcontractor s
hall be responsible for
the complete design, installation, and commissioning of the system.
The
s
ubcontractor shall be in the business of design, installation
and service of such automation control systems similar in size and
complexity.

2
.

The subcontract
or shall have in
-
place facility within 50 miles with
technical staff, spare parts inventory for the next five (5) years,
and necessary test and diagnostic equipment to support the
systems.

B.

Codes and Standards:

1.

All work shall conform to the applicable

Codes and Standards.

2.

Electronic equipment shall conform to the requirements of FCC
Regulation, Part 15, Governing Radio Frequency Electromagnetic
Interference, and be so labeled.

3.

Peer
-
to
-
peer controllers, unitary controllers shall conform to the
re
quirements of UL 916, Category PAZX.

CLEMENT J. ZABLOCKI MEDICAL CENTER

DEPARTMENT OF VETERANS AFFAIRS

MILWAUKEE, WI

6C & 5CN ACUTE CARE WARD RENOVATION

VA PROJECT: 695
-
223


CRITICAL ROOM CONTROL SYSTEM FOR HVAC

23 09 24
-

2

1.5 PERFORMANCE

A.

The system shall conform to the following:

1
.

T
he maximum time between the command of a binary object by the
operator and the reaction by the device shall be (10) seconds.
Analog objects shall start

to adjust within (3) seconds.

2
.

Object Scan: All changes of state and change of analog values shall
be transmitted such that any data used or displayed at a controller
will be current, within the prior (10) seconds.

3
.

Alarm Response Time: The maximum ti
me from when an object goes into
alarm to when it is annunciated shall not exceed (10) seconds.

4
.

Program Execution Frequency: Custom and standard applications shall
be capable of running as often as once every (5) seconds. The
Contractor shall be respons
ible for selecting execution times
consistent with the mechanical process under control.

5
.

Performance: Programmable Controllers shall be able to execute DDC
PID control loops at a selectable frequency from at least once every
five (5) seconds. The contro
ller shall scan and update the process
value and output generated by this calculation at this same
frequency.

6
.

Reporting Accuracy: Listed below are minimum acceptable reporting
accuracies for all values reported by the specified system:


Measured Variabl
e

Reported Accuracy

Air pressure (space)

±3 Pa [±0.001 "W.G.]


Note 1: for both absolute and differential pressure

1.6 WARRANTY

A.

Labor and materials for control systems shall be warranted for a period
as specified under Warranty in

FAR clause 52.246
-
2
1
.

B.

S
ystem failures during the warranty period shall be adjusted, repaired,
or replaced at no cost or reduction in service to the owner. The system
includes all computer equipment, transmission equipment, and all
sensors and control devices.

C
.

This
subc
ontractor shall be responsible for temporary operations and
maintenance of the systems during the construction period until final
commissioning, training of facility operators and acceptance of the
project by VA.

CLEMENT J. ZABLOCKI MEDICAL CENTER

DEPARTMENT OF VETERANS AFFAIRS

MILWAUKEE, WI

6C & 5CN ACUTE CARE WARD RENOVATION

VA PROJECT: 695
-
223


CRITICAL ROOM CONTROL SYSTEM FOR HVAC

23 09 24
-

3

1.
7

SUBMITTALS

A.

Submit shop drawings in a
ccordance with Section 01 33 23, SHOP
DRAWINGS, PRODUCT DATA, AND SAMPLES.

B.

Manufacturer’s literature and data for all components including the
following:

1.

A wiring diagram for each type of input device and output device
including controllers, etc. Dia
gram shall show how the device is
wired and powered, showing typical connections at the digital
controllers and each power supply, as well as the device itself.
Show for all field connected devices, including but not limited to,
control relays, motor start
ers, electric or electronic actuators,
and pressure, transmitters.

2.

A diagram of each terminal strip, including digital controller
terminal strips, terminal strip location, termination numbers and
the associated point names.

3
.

Catalog cut sheets of all
equipment used. This includes, but is not
limited to DDC controllers, panels, peripherals, and auxiliary
control devices such as sensors.


When manufacturer’s cut sheets
apply to a product series rather than a specific product, the data
specifically applic
able to the project shall be highlighted. Each
submitted piece of literature and drawings should clearly reference
the specification and/or drawings that it supposed to represent.

4
.

Sequence of operations for each system and the associated control
diagram
s. Equipment and control labels shall correspond to those
shown on the drawings.

C.

Product Certificates: Compliance with Article, QUALITY ASSURANCE.

D.

As Built Control Drawings:

1.

Furnish three (3) copies of as
-
built drawings for each control
system. T
he documents shall be submitted for approval prior to final
completion.

2.

Furnish one (1) stick set of applicable control system prints for
each mechanical system for wall mounting. The documents shall be
submitted for approval prior to final completion.

3.

Furnish one (1) CD
-
ROM in CAD DWG and/or .DXF format for the
drawings noted in subparagraphs above.

CLEMENT J. ZABLOCKI MEDICAL CENTER

DEPARTMENT OF VETERANS AFFAIRS

MILWAUKEE, WI

6C & 5CN ACUTE CARE WARD RENOVATION

VA PROJECT: 695
-
223


CRITICAL ROOM CONTROL SYSTEM FOR HVAC

23 09 24
-

4

E.

Operation and Maintenance (O/M) Manuals):

1.

Submit in accordance with Article, INSTRUCTIONS, in Specification
Section 01 00 00, GENERAL REQUIREMENTS
.

2.

Include the following documentation:

a.

General description and specifications for all components.

b.

Detailed illustrations of all the control systems specified for
ease of maintenance and repair/replacement procedures, and
complete calibration proce
dures.

c.

One copy of the final version of all software provided including
operating systems, programming language, and software.

d.

Complete troubleshooting procedures and guidelines for all
systems.

e.

Complete operating instructions for all systems.

f.

Recommended preventive maintenance procedures for all system
components including a schedule of tasks for inspection, cleaning
and calibration. Provide a list of recommended spare parts needed
to minimize downtime.

g.

Licenses, guaranty, and other pertaini
ng documents for all
equipment and systems.

F.

Submit Performance Report to Resident Engineer prior to final
inspection.

1.
8

INSTRUCTIONS

A.

Instructions to VA operations personnel: Perform in accordance with
Article, INSTRUCTIONS, in Specification Sectio
n 01 00 00, GENERAL
REQUIREMENTS, and as noted below.

1.

First Phase: Formal instructions to the VA facilities personnel for
a total of
2

hours, conducted sometime between the completed
installation and prior to the performance test period of the control
s
ystem, at a time mutually agreeable to the Contractor and the VA.

2
.

The O/M Manuals shall contain approved submittals as outlined in
Article 1.7, SUBMITTALS. The Controls subcontractor will review the
manual contents with VA facilities personnel during
fi
rst

phase of
training.

1.
9

PROJECT CONDITIONS (
ENVIRONMENTAL CONDIT
IONS OF OPERATION)

A.

P
eripheral devices and system support equipment shall be designed to
operate in ambient condition of 20 to 35 degrees C (65 to 90 degrees F)
at a relative humidity of
20 to 80 percent non
-
condensing.

CLEMENT J. ZABLOCKI MEDICAL CENTER

DEPARTMENT OF VETERANS AFFAIRS

MILWAUKEE, WI

6C & 5CN ACUTE CARE WARD RENOVATION

VA PROJECT: 695
-
223


CRITICAL ROOM CONTROL SYSTEM FOR HVAC

23 09 24
-

5

B
.

All electronic equipment shall operate properly with power fluctuations
of plus 10 percent to minus 15 percent of nominal supply voltage.

C
.

Sensors and controlling devices shall be designed to operate in the
environment
, which they are sensing or controlling.

1.1
0

APPLICABLE PUBLICATI
ONS

A.

The publications listed below form a part of this specification to the
extent referenced. The publications are referenced in the text by the
basic designation only.

B.

American Socie
ty of Heating, Refrigerating, and Air
-
Conditioning
Engineers (ASHRAE):

Standard 135
-
04
.........
BACNET Building Automation and Control Networks

C.

American Society of Mechanical Engineers (ASME):

B16.18
-
01
...............
Cast Copper Alloy Solder Joint Pressure
Fittings.

B16.22
-
01
...............
Wrought Copper and Copper Alloy Solder Joint
Pressure Fittings.

BPVC
-
CC
-
N
-
04
............
Boiler and Pressure Vessel Code

D.

American Society of Testing Materials (ASTM):

B32
-
04
..................
Standard Specification for Solder Metal

B88
-
03
..................
Standard Specifications for Seamless Coppe
r
Water Tube

B88M
-
05
.................
Standard Specification for Seamless Copper
Water Tube (Metric)

D2737
-
03
................
Standard Specification for Polyethylene (PE)
Plastic Tubing

E.

Federal Communication Commission (FCC):

Rules and Regulations Title 47 Chapter 1
-
2001 Part 15..Radio

Frequency
Devices.

F.

Institute of Electrical and Electronic Engineers (IEEE):

802.3
-
05
................
Information Technology
-
Telecommunications and
Information Exchange between Systems
-
Local and
Metropolitan Area Networks
-

Specific
Requirements
-
Part 3: Carrier Sense Mu
ltiple
Access with Collision Detection (CSMA/CD)
Access method and Physical Layer Specifications

G.

Instrument Society of America (ISA):

7.0.01
-
1996
.............
Quality Standard for Instrument Air

CLEMENT J. ZABLOCKI MEDICAL CENTER

DEPARTMENT OF VETERANS AFFAIRS

MILWAUKEE, WI

6C & 5CN ACUTE CARE WARD RENOVATION

VA PROJECT: 695
-
223


CRITICAL ROOM CONTROL SYSTEM FOR HVAC

23 09 24
-

6

H.

National Fire Protection Association (NFPA):

70
-
05
...................
National Electric

Code

90A
-
02
..................
Standard for Installation of Air
-
Conditioning
and Ventilation Systems

I.

Underwriter Laboratories Inc (UL):

94
-
06
...................
Tests for Flammability of Plastic Materials for
Parts and Devices and Appliances

294
-
05
..................
Access Control System Units

486A/486B
-
0
4
-
...........
Wire Connectors

555S
-
03
.................
Standard for Smoke Dampers

916
-
Rev 2
-
04
............
Energy Management

Equipment

1076
-
05
.................
Proprietary Burglar Alarm Units and Systems

PART 2


PRODUCTS

2.1 ACCEPTABLE MANUF
ACTURERS

A
.

Critical Room Control Pressure Controlled Rooms (isolatio
n rooms only)
.
All controls work indicated here within shall be by
Critical Room
Controls
unless specifically noted otherwise. Refer to drawings for
scope of work.

2.2
CRITICAL ROOM CONTRO
LLERS

A
.

CRC
-
RMD Critical Room Control Room Management Display

The

Room Management Displays (CRC
-
RMD) shall be accessed and put your
entire facility a simple touch away. Facility staff shall be able to
quickly move between abroad overview of the entire facility to a
specific critical room with the touch of a finger.

T
he CRC
-
RMD Room Management Display shall be a complete management tool
capable of displaying and accessing single or any combination of
critical rooms via simple touch. The CRC
-
RMD shall have easy to
navigate full color touch screen complete with facility

graphics. The
CRC
-
RMD shall have custom graphic programming to meet whatever sequence
of operation is desired, with no limits imposed on the application or
on the number of graphic programs that can be downloaded into it.

In addition to programming the
CRC
-
RMD shall have hardware and software
able to support the following protocols: BACnet (ARC 156, MS/TP, and
PTP), Modbus (RTU & ASCII), N@ Bus, and LonWorks (optional plug
-
in card
used for Lon Works). It will also support BACnet/IP communications
throug
h an optional Ethernet Plug
-
on card (this Ethernet card will also
CLEMENT J. ZABLOCKI MEDICAL CENTER

DEPARTMENT OF VETERANS AFFAIRS

MILWAUKEE, WI

6C & 5CN ACUTE CARE WARD RENOVATION

VA PROJECT: 695
-
223


CRITICAL ROOM CONTROL SYSTEM FOR HVAC

23 09 24
-

7

be capable of serving up Web pages to a standard

Internet Browser
package).

CRC
-
RMD Room Management Display shall be desktop or wall mounted at a
work station or other areas that remote acce
ss to the system is shown.

B.

CRC
-
RC Critic
al Room Control Room Controller

The Room controller shall be a high speed (25 msec scan rate) native
BACnet microprocessor based controller, designed for isolation and
containment room control applications. Powerf
ul high
-
speed processor
with 1 MB Flash memory and 1 MB RAM plenty of room for demanding and
complex applications. On
-
board battery
-
backed real
-
time clock is
standard, enabling full stand
-
alone scheduling capabilities as well as
historical trend data stora
ge and alarm event time stamping. The room
controller shall be easily customized using a graphic programming
language to meet whatever sequence of operation needs are desired, with
no limits imposed on the application nor on the number of graphic
programs
that can be downloaded into it (memory permitting).

In addition to programming flexibility the controller shall have on
-
board hardware and software support for the following protocols in use
among BAS companies today:

BACnet (ARC 156, MS/TP, and PTP), Modb
us (RTU & ASCII), N2 Bus, and
LonWorks (optional plug
-
on card used for LonWorks). It will also
support BACnet/IP communications through an optional Ethernet plug
-
on
card (this Ethernet card will also be capable of serving up Web pages
to a standard Interne
t Browser package). The point “mapping” to all of
these protocols can be pre
-
set at the factory, so that the protocol &
baud rates desired can be easily field
-
selected or switched without the
need for any additional downloads or technician assistance.

The
Controller shall also have flexible input/output capacity. The base
controller has 6 Digital Outputs, 12 Universal Inputs, and 6 Universal
Outputs (configurable as digital or analog). However, this controller
supports communication to one point expander bo
ard should you find the
need for additional I/O capacity.

1.

Input/Output (I/O) Configuration:

a
.

Digital Outputs:

1)

6 relay outputs SPDT (contact ratings: 5A @ 25OVAC)

2)

Removable Screw terminals

3)

Individual LED Indication of output status (color
-

“r
ed’)

CLEMENT J. ZABLOCKI MEDICAL CENTER

DEPARTMENT OF VETERANS AFFAIRS

MILWAUKEE, WI

6C & 5CN ACUTE CARE WARD RENOVATION

VA PROJECT: 695
-
223


CRITICAL ROOM CONTROL SYSTEM FOR HVAC

23 09 24
-

8

b
.

Universal Inputs:

1)

12 total

2)

Input Signals Supported (jumper selectable):

§

Thermistor/Dry Contact.

§

0
-
10 VDC (scalable in software for other ranges)

§

0
-
20 mA (scalable in software for other ranges)

§

1K Platinum RTD

3)

Removable screw termin
als

4)

12
-
Bit A/D

5)

Selectable +5V or +24V voltage source (240 mA max)

c
.

Universal Outputs:

1)

6 total

2)

Analog Output Signals Supported:

§

0
-
10 V DC on all 6 outputs (scalable in software for other
ranges)

§

0
-
10 VDC or 0
-
20 mA on 2 of the outputs

3)

D
igital Output Signals
-

Each of the 6 outputs can be
individually configured as digital outputs. They have the
signal capacity to drive an external voltage relay device.

4)

Removable screw terminals

5)

Individual LED Indication (red
-

vary in intensity bas
ed on
output signal status)

2
.

Power Requirements:

a
.

External Power Source
-

24 VAC ± 15 %, 50
-
60 Hz, 20 VA.

b
.

Removable screw terminal (2
-
position) for power connection

c
.

LED Indication: Power (green), Run (green), and Error (red) LEDs

3.

Communication

Ports:

a
.

4

Ports

1)

Open Protocol Port #1
-

EIA
-
232/485/ARC 156 (jumper
selectable)

2)

Open Protocol Port #2
-

Plug
-
in port for optional
communications cards (LonWorks, Ethernet, Modem, etc.). Note:
use of this plug
-
in port disables serial (232/485)
comm
unications at Port #1; however, ARC 156 communications may
be active simultaneous to Port #2 usage.

CLEMENT J. ZABLOCKI MEDICAL CENTER

DEPARTMENT OF VETERANS AFFAIRS

MILWAUKEE, WI

6C & 5CN ACUTE CARE WARD RENOVATION

VA PROJECT: 695
-
223


CRITICAL ROOM CONTROL SYSTEM FOR HVAC

23 09 24
-

9

3)

Rnet Port
-

for connection to keypad/displays and/or
intelligent sensors. This port also acts as the local laptop
access port.

4)

I/O Expansion Port (CAN
-
bus)

b
.

Removable Screw terminals

c
.

Transmit & Receive LEDs for each port

d
.

Rotary Address Switches

e
.

Protocol & Baud Rate selector DIP switch

4.

Size and Environmental Requirements:

a
.

Board Size (including metal cover): 11
-
3/4” wide x 5” high x 2”
de
ep

b
.

Expander Board Size: 10
-
5/8” wide x 3” high x 2” deep (note: the
expander boards can be mounted on top of the ENV IV controller to
conserve panel space or they can be remotely mounted up to 500
feet away from the controller.)

c
.

Protection: Brushed a
luminum, gull
-
wing metal

d
.

Temperature Range:
-
40 to 150 deg. F, 10
-
95% RH non
-
condensing

e
.

Agency Listings: UL, cUL, CE. FCC

5.

Location:

a.

Mounted inside control enclosure

C.

CRC
-
RM Room Pressure Monitors

1.

The room pressure controller (Controllers)

shall be capable of
measuring the differential pressure between two individual spaces at
all locations shown on the prints. Each room shall have its own
controller capable of stand
-
alone operation. Each monitor is
capable of both visual and audible ala
rms. Each monitor will use
direct pressure measurement utilizing industrial quality
differential pressure transducer technology.


(Implied pressure measurement systems utilizing thermal hot wire or
thermal mass air velocity measurement are not acceptabl
e.)

2.

Each monitor shall have an easy to navigate microprocessor based
controller with full color TFT touch screen interface. Minimum
touch screen size to be 4.0”. Screen shall be capable of displaying
multiple colors at the same time. Monitor controll
er shall not be
limited to single Screen size and shall be available in multiple
sizes depending on application. Touch screen shall be capable of
displaying room conditions in multiple simultaneous full color.
CLEMENT J. ZABLOCKI MEDICAL CENTER

DEPARTMENT OF VETERANS AFFAIRS

MILWAUKEE, WI

6C & 5CN ACUTE CARE WARD RENOVATION

VA PROJECT: 695
-
223


CRITICAL ROOM CONTROL SYSTEM FOR HVAC

23 09 24
-

10

(Displays that use back lighting for color a
nd or LED indication
lights are not acceptable) All settings and programming shall be
made via simple touch screen.

The processor can be programmed to
allow the end user to choose from programmed images, messages and
icons. The monitor shall have a full
color TFT / QVGA touch display
with a minimum resolution of 320 X 240 (QVGA), 16 bit (65,535) color
depth, and sunlight viewable. Panel shall have a minimum brightness
rating of 200cdm for clear indication in all lighting environments.
Each Monitor shall
incorporate a high speed microprocessor based
controller, designed for critical environment control applications.

3.

The monitor shall have easy to navigate screens that clearly give
the user description of any changes that are being made.


(Displays t
hat simply change the back lighting for color or use LED
indicators are not acceptable)

4.

Display shall be user programmable with graphics and verbiage
included with monitor. Monitor/controller shall store all settings
in non volatile memory. Monitor wi
ll continually display room
differential pressure. Main screen shall be solely reserved for
critical information and not display programming or menu
information. Monitor settings shall be accessed via dual password
protected touch screen. Monitor shall
be recess or surface mounted.
Supply voltage shall be 24 volt ac/dc.

5.

Monitors using single or multiple line LCD alphanumeric character
displays, LED indicators or backlit screens are not acceptable.
Touch pads and layered programming menus are not a
cceptable.

6.

Critical Room Control monitors shall be capable of wipe down
cleaning.

7.

Mounting
:
The CRC
-
RM shall be mounted outside of the isolated space
next to the entrance in location visible to staff for set point and
alarm interaction or any locati
on indicated on the drawings.

8.

Room Monitor screens:

The monitor shall use clear unambiguous
screen and verbiage to indicate monitor mode and alarms. Mode
change shall be accessed via the password protected main menu

a.

VACANT: Blue screen “CLEAR T
O ENTER” alarms deactivated

b.

NO PRESSURE: Green screen “CLEAR TO ENTER” alarms deactivated

CLEMENT J. ZABLOCKI MEDICAL CENTER

DEPARTMENT OF VETERANS AFFAIRS

MILWAUKEE, WI

6C & 5CN ACUTE CARE WARD RENOVATION

VA PROJECT: 695
-
223


CRITICAL ROOM CONTROL SYSTEM FOR HVAC

23 09 24
-

11

c.

Occupied non
-
alarm positive monitor: Green screen “Condition:
Normal” and “Mode: POSITIVE (or Negative) PRESSURE” no audible
alarm

d.

Occupied loss of pressure
audible delay: Amber screen “LOSS OF
PRESSURE”, “LOSS OF ROOM PRESSURE


CHECK DOOR (flashing) ” no
audible alarm and “Mode: POSITIVE (or Negative) PRESSURE”

e.

Occupied Pressure alarm: Red screen “PRESSURE ALARM”, “LOSS OF
ROOM PRESSURE


CHECK DOOR (flas
hing)” audible alarm and “Mode:
POSITIVE (or Negative) PRESSURE”

9.

Pressure sensing:


a.

The pressure sensor shall continuously monitor bi
-
directional
room pressure and the associated referenced space. Pressure
sensor shall be complete with wall/ceiling
mounted fittings and
stainless steel cover plates for the isolated room and referenced
space as a complete assembly. Each monitor will use direct
pressure measurement utilizing industrial quality differential
pressure transducer technology. The monitor s
hall use direct
pressure measurement with a patented variable capacitance sensor.
Each Transducer shall be digitally compensated using an
application specific integrated circuit (ASIC). The transducer
shall have integral LED power/status indicator. Tran
sducer shall
not be integral to the monitor and capable of replacement without
removing monitor. Operating temperature shall be
-
40 to 180
degrees F. The room pressure transducer shall be factory
calibrated with NIST traceable standards.


(Monitors tha
t use integral pressure sensing devices that require
removal of the monitor for service or replacement are not
acceptable)

b.

Accuracy/stability:

the pressure transducer accuracy shall be
±0.4% full scale including the effects of linearity, hysteresis
and
repeatability. The transducer max change shall be ≤0.5% per
year.

c.

Overpressure limits:

the transducer shall have a proof
pressure of 15 psi and a burst pressure of 25 psi.

d.

Available pressure ranges:

The monitor shall support the
following pressure

ranges Differential:

0/0.1, 0/0.25, 0/0.5,
0/0.75, 0/1.0, 0/2.0, 0/2.5, 0/3.0, 0/5.0, 0/10.0, 025.0

CLEMENT J. ZABLOCKI MEDICAL CENTER

DEPARTMENT OF VETERANS AFFAIRS

MILWAUKEE, WI

6C & 5CN ACUTE CARE WARD RENOVATION

VA PROJECT: 695
-
223


CRITICAL ROOM CONTROL SYSTEM FOR HVAC

23 09 24
-

12

Compound:

±0.1, ±0.25, ±0.5, ±1.0, ±2.0, ±5.0, ±10.0

10.
Pressure sensor set up:

a.

The Monitor/Controller shall accept multiple ranges and input
signa
ls from the differential pressure transducer (4
-
20mA, 0
-
5V
or 0
-
10V). User shall be able to configure the monitor in the
field to support associated signals and ranges. Each monitor
shall have the ability to zero and set up the transducer from
local inte
rface. The monitor shall be able to display in

inches
of water or Pascal’s.

11.
Pressure Alarms

a.

The monitor shall have both visual and audible alarms.

1)

Audible:

The unit shall have two distinct alarm sounds
indicating either a pressure alarm or an a
udible remote alarm.
The alarm shall be capable of multiple settings in the
Administrative screen. The user shall be able to disable the
audible alarm and
configure alarm delay time.

2)

Screen:

The screen shall change to amber when pressure is out
of ran
ge and inside of audible delay (optional). The screen
shall turn red when pressure is out of range and audible delay
is not active or delay has lapsed. Each pressure alarm screen
shall have verbiage indicating unique alarm condition.

12.
Controller inputs
and outputs:

a.

The monitor/controller shall have minimum of the following inputs
and outputs

1)

Analog Inputs:

Four (4) universal analog inputs for 4
-
20mA, 0
-
5V and 0
-
10V jumper selectable.

2)

Analog Outputs:

Two (2) 0
-
10V or 0
-
5V






Two (2) 4
-
20mA

3)

Digital Inputs:

Four (4) digital inputs

4)

Digital Contacts:

Four (4) Digital Contacts (relay)

b.

The controller I/O to support: temperature sensor, humidity
sensor, supply, exhaust and reheat PID loop, differential
pressure out, mode status out, Pressur
e in, mode in, two pressure
alarms, airflow alarm, d
oor contact, remote alarm etc.

CLEMENT J. ZABLOCKI MEDICAL CENTER

DEPARTMENT OF VETERANS AFFAIRS

MILWAUKEE, WI

6C & 5CN ACUTE CARE WARD RENOVATION

VA PROJECT: 695
-
223


CRITICAL ROOM CONTROL SYSTEM FOR HVAC

23 09 24
-

13

13.
Communication:

a.

The monitor/controller shall have an RS
-
485 serial network
interface that supports native BACnet MS/
TP, MODbus and N2
protocols.

b.

Monitor shall be cap
able of communicating via non
-
network analog
points thru hard wire connection. The hardwire points shall
communicate to the building management system and the optional
CRC
-
CD, CRC
-
RM (master/slave), CRC
-
MRM, and CRC
-
MPM.

14.
Communication Debug:

a.

The mon
itor shall include a communication debug information
screen. When selected the debug information shall display
network traffic and device communication information on the main
screen. User shall be able to select show or do not show of the
debug informat
ion.

15.
Password Protection:

a.

Monitor/Controller shall have two con
figurable layers of
passwords.

1)

Main Menu password:


The main menu shall be configurable as password protected or
not protected. This screen shall provide access to change the
isolat
ion mode, temperature and humidity set points
(optional), and access to the administrative menu. Access to
the main menu shall be hidden when monitor is in operation.
To access the main menu a user shall first touch anywhere on
the main screen, then pres
s the “menu” button.

2)

Administrative Menu Password:


The administrative menu shall be designed for access to CRC
-
RM
setup and administrative parameters. The separate
administrative menu shall be restricted to individuals
responsible for configuring the
CRC
-
RM unit. The
administrative menu shall be protected by a separate password
from the main menu. The administrative menu shall have a
different password from the main menu.

3)

The monitor shall have a time out feature. This feature shall
return the mo
nitor to the main screen after inactivity (field
configurable). After timeout screen will require user to re
-
enter password to make changes.

CLEMENT J. ZABLOCKI MEDICAL CENTER

DEPARTMENT OF VETERANS AFFAIRS

MILWAUKEE, WI

6C & 5CN ACUTE CARE WARD RENOVATION

VA PROJECT: 695
-
223


CRITICAL ROOM CONTROL SYSTEM FOR HVAC

23 09 24
-

14


(Monitors that give access to menus while unit is in operation
or do not offer separate passwords for staff and
a
dministrative functions will not be accepted)


(All menus shall be hidden from view and only appear when
screen is touched. Monitors that only use a single level of
password protection are not acceptable)

16.
Room Monitor user modes:

a.

The monitor shall b
e capable of the following modes accessed thru
the main menu. Each monitor shall allow the user to select the
prop
er room mode from the monitor.

1)

Pressurized:

Room is occupied with isolated patient. Alarms,
control loops are activated. After pressuriz
ed selection is
made the monitor shall display the condition, mode,
differential pressure, room number, room temperature/set point
(if activated) room humidity/set point (if activated).

2)

No Pressure:


Room is occupied by a patient that does not
require
isolation.

3)

Vacant:

Room is currently not occupied and available for
patient that does or, does not require isolation.


(Monitors that do not allow the user to change the mode or
require external devices or key switches to activate monitor
and alarms ar
e not acceptable)

17.
Pressure set points:

a.

Each monitor/controller shall have both isolation and non
-
isolation set points. Controller shall have integral PID loop to
control associated valve/damper/VFD to maintain selected set
point.

18.
Temperature set

point:

a.

Each monitor/controller shall support either an external
temperature sensor or a network point. The monitor shall display
both actual temperature and temperature set point on the main
screen. The controller shall have an integral PID loop to
c
ontrol associated reheat valve to maintain selected set point.
Changes in the temperature set point shall be made from the main
menu.

CLEMENT J. ZABLOCKI MEDICAL CENTER

DEPARTMENT OF VETERANS AFFAIRS

MILWAUKEE, WI

6C & 5CN ACUTE CARE WARD RENOVATION

VA PROJECT: 695
-
223


CRITICAL ROOM CONTROL SYSTEM FOR HVAC

23 09 24
-

15

19.
Humidity set point:

a.

Each monitor/controller shall support either an external Humidity
sensor or a network point. T
he monitor shall display both actual
space humidity and humidity set point on the main screen.
Changes in the humidity set point shall be made from the main
menu.

20.
Quick Configure:

a.

Each monitor shall have a quick configure feature that allows the
us
er to set up the CRC
-
RM unit. This feature has a step by step
procedure for simple and fast field start
-
up.

21.
Watchdog function:

a.

The Monitor/controller shall continuously monitor its own
operation to ensure that it is operating properly. The
monitor
/controller shall be capable of resetting itself to clear
any errors before notification.

22.
Diagnostic Screen:

a.

The monitor shall have a dedicated diagnostic screen that
graphically shows the incoming signal for all analog and digital
inputs. The diagn
ostic screen shall allow the user to set
individual analog outputs and relays. The diagnostic screen
shall also indicate
monitor/controller run time.

23.
Acceptable Manufacturers

a.

The Isolation room system shall be the CRC
-
RM as manufactured by
Critical
Room Control (CRC) Milwaukee, Wisconsin Telephone (414)
324
-
8978 Fax (612) 216
-
4632 Web Site http://www.criticalroom.com

D.

CRC
-
CD Room Condition Display

1.

General

a.

The room pressure controller shall include “Critical Room Control
Condition Display’s”
(CRC
-
CD). The isolated space condition
display monitor shall be a TFT/VGA screen with programmable
information indicating room status. The TFT/VGA screen shall
also indicate status with change in colored background and
associated unambiguous verbiage. T
he CRC
-
CD shall automate
isolated room change over.

b.

Each monitor shall have an easy to navigate microprocessor based
controller with full color TFT touch screen interface. Minimum
touch screen size to be 4.0”. Screen shall be capable of
CLEMENT J. ZABLOCKI MEDICAL CENTER

DEPARTMENT OF VETERANS AFFAIRS

MILWAUKEE, WI

6C & 5CN ACUTE CARE WARD RENOVATION

VA PROJECT: 695
-
223


CRITICAL ROOM CONTROL SYSTEM FOR HVAC

23 09 24
-

16

displaying m
ultiple colors at the same time. Monitor controller
shall not be limited to single Screen size and shall be available
in multiple sizes depending on application. Touch screen shall
be capable of displaying room conditions in multiple simultaneous
full co
lor. (Displays that use back lighting for color and or
LED indication lights are not acceptable) All settings and
programming shall be made via simple touch screen.

The processor
can be programmed to allow the end user to choose from programmed
images, m
essages and icons. The monitor shall have a full color
TFT / QVGA touch display with a minimum resolution of 320 X 240
(QVGA), 16 bit (65,535) color depth, and sunlight viewable.
Panel shall have a minimum brightness rating of 200cdm for clear
indication

in all lighting environments. Each Monitor shall
incorporate a high speed microprocessor based controller,
designed for critical environment control applications.

c.

The monitor shall have easy to navigate screens that clearly give
the user description
of any changes that are being made.


(Displays that simply change the back lighting for color or use
LED indicators are not acceptable)

d.

Display shall be user programmable with graphics and verbiage
included with monitor. Monitor/controller shall stor
e all
settings in non volatile memory. Monitor will continually
display room current condition. Main screen shall be solely
reserved for critical information and not display programming or
menu information. Monitor settings shall be accessed via
passwor
d protected touch screen. Monitor shall be recess or
surface mounted. Supply voltage shall be 24 volt ac/dc.

e.

Monitors using single or multiple line LCD alphanumeric character
displays, LED indicators or backlit screens are not acceptable.
Touch pad
s and layered programming menus are not acceptable.

f.

Critical Room Control monitors shall be capable of wipe down
cleaning.

2.

Mounting

a.

The CRC
-
CD shall be mounted outside of the isolated space next to
the entrance in location visible to staff for set

point and alarm
interaction. When CRC
-
RM is present the CRC
-
CD shall be mounted
above the associated CRC
-
RM or locations indicated on drawings.

CLEMENT J. ZABLOCKI MEDICAL CENTER

DEPARTMENT OF VETERANS AFFAIRS

MILWAUKEE, WI

6C & 5CN ACUTE CARE WARD RENOVATION

VA PROJECT: 695
-
223


CRITICAL ROOM CONTROL SYSTEM FOR HVAC

23 09 24
-

17

3.

Room Monitor screens:

a.

The monitor shall use clear unambiguous screen and verbiage to
indicate monitor s
tatus.

1)

Isolated Space: Red Screen “AUTHORIZED PERSONNEL ONLY”

2)

Room being Cleared: Yellow Screen “AUTHORIZED PERSONNEL ONLY”

3)

Room Ready for Cleaning: Green Screen

4)

Room Cleared: Green Screen “Ok to Enter”

b.

Isolation Room operation is separate
d into four modes which are
identified as:

1)

“Isolated Space


authorized personnel only”. Room is in a
negative or positive pressure (adjustable) relative to
adjacent spaces.

2)

“Room being Cleared


Do not enter”. Room is in a negative or
positive pr
essure (adjustable) relative to adjacent spaces.

3)

“Room Ready for Cleaning”

4)

“Room Clear”. Room Pressure is neutral relative to adjacent
spaces

4.

Controller inputs and outputs:

a.

The monitor/controller shall have minimum of the following inputs
and

outputs

1)

Analog Inputs:

Four (4) universal analog inputs for 4
-
20mA, 0
-
5V and 0
-
10V jumper selectable.

2)

Analog Outputs:

Two (2) 0
-
10V or 0
-
5V






Two (2) 4
-
20mA

3)

Digital Inputs:

Four (4) digital inputs

4)

Digital Contacts:

Four (4) Digital Contac
ts (relay)

5.

Communication:

a.

The monitor/controller shall have an RS
-
485 serial network
interface that supports native BACnet MS/TP

b.

Monitor shall be capable of communicating via non
-
network analog
points thru hard wire connection. The hardwire poin
ts shall
communicate to the building management system and the optional
CRC
-
CD, CRC
-
RM (master/slave), CRC
-
MRM, and CRC
-
MPM.

6.

Communication Debug:

a.

The monitor shall include a communication debug information
screen. When selected the debug information

shall display
network traffic and device communication information on the main
CLEMENT J. ZABLOCKI MEDICAL CENTER

DEPARTMENT OF VETERANS AFFAIRS

MILWAUKEE, WI

6C & 5CN ACUTE CARE WARD RENOVATION

VA PROJECT: 695
-
223


CRITICAL ROOM CONTROL SYSTEM FOR HVAC

23 09 24
-

18

screen. User shall be able to select show or do not show of the
debug information.

7.

Password Protection:

a.

Monitor/Controller shall have password protection.

1
)

Adminis
trative Menu Password:


The administrative menu shall be designed for access to CRC
-
CD
setup and administrative parameters. The separate
administrative menu shall be restricted to individuals
responsible for configuring the CRC
-
CD unit.

2
)

The monitor s
hall have a time out feature. This feature shall
return the monitor to the main screen after inactivity (field
configurable). After timeout screen will require user to re
-
enter password to make changes.


(Monitors that give access to menus while unit is
in operation
will not be accepted)


(All menus shall be hidden from view and only appear when
screen is touched. Monitors with programming access not
protected by password are not acceptable)

8.

Quick Configure:

a.

Each monitor shall have a quick configur
e feature that allows the
user to set up the CRC
-
CD unit. This feature has a step by step
procedure for simple and fast field start
-
up.

9.

Watchdog function:

a.

The Monitor/controller shall continuously monitor its own
operation to ensure that it is oper
ating properly. The
monitor/controller shall be capable of resetting itself to clear
any errors before notification.

10.
Diagnostic Screen:

a.

The monitor shall have a dedicated diagnostic screen that
graphically shows the incoming signal for all analog an
d digital
inputs. The diagnostic screen shall allow the user to set
individual analog outputs and relays. The diagnostic screen
shall also indicate
monitor/controller run time.

11.
Acceptable Manufacturers

a.

The Isolation room system shall be the CRC
-
CD
as manufactured by
Critical Room Control (CRC) Milwaukee, Wisconsin Telephone (414)
324
-
8978 Fax (612) 216
-
4632 Web Site http://www.criticalroom.com

CLEMENT J. ZABLOCKI MEDICAL CENTER

DEPARTMENT OF VETERANS AFFAIRS

MILWAUKEE, WI

6C & 5CN ACUTE CARE WARD RENOVATION

VA PROJECT: 695
-
223


CRITICAL ROOM CONTROL SYSTEM FOR HVAC

23 09 24
-

19

E.

CRC
-
RST Critical Room Control Room Static Transmitter

1.

The room static pressure Transmitter shall

be Critical Room Control
(CRC
-
RST). The pressure transmitter shall be ceiling or wall
mountable. Accurate space measurement shall employ a sintered
stainless steel muffler which filters out noise associated with air
movements common with high air change

rate applications. Sensor
shall include a single gang stainless steel cover plate. Pneumatic
piping shall be accommodated via integral ¼” barbed fitting.

F.

CRC
-
DC Critical Room Control Room Door Contactor

1.

Door Contactor shall be Critical Room Contr
ol model CRC
-
DC. The
door contactor shall have rugged uni
-
body construction with flexible
ribbed sides for quick, secure installation without gluing. The
contactor shall contain a hermetically sealed magnetic reed switch.

G
.

CRC
-
FM Critical Room Contro
l Filter Monitor

1.

The filter monitor shall be Critical Room Control (CRC
-
FM). The
filter monitor shall monitor the differential pressure across the
room HEPA filter for loading. The filter loading parameters shall
be selectable and displayed at CRC
-
RMD

and available as points on
the Building automation system.

PART 3
-

EXECUTION

3.1

INSTALLATION

A.

General:

1.

Examine project plans for control devices and equipment locations;
and report any discrepancies, conflicts, or omissions to Resident
Engineer for

resolution before proceeding for installation.

2
.

Install equipment, piping, wiring /conduit parallel to or at right
angles to building lines.

3
.

Install all equipment and piping in readily accessible locations. Do
not run tubing and conduit concealed und
er insulation or inside
ducts.

4
.

Mount control devices, tubing and conduit located on ducts and
apparatus with external insulation on standoff support to avoid
interference with insulation.

5
.

Provide sufficient slack and flexible connections to allow for

vibration of piping and equipment.

CLEMENT J. ZABLOCKI MEDICAL CENTER

DEPARTMENT OF VETERANS AFFAIRS

MILWAUKEE, WI

6C & 5CN ACUTE CARE WARD RENOVATION

VA PROJECT: 695
-
223


CRITICAL ROOM CONTROL SYSTEM FOR HVAC

23 09 24
-

20

6
.

Run tubing and wire connecting devices on or in control cabinets
parallel with the sides of the cabinet neatly racked to permit
tracing.

7
.

Install equipment level and plum.

B.

Piping Installation:

1
. Except for shor
t apparatus connections, non
-
metallic tubing in all
exposed locations shall be protected from damage by installing the
tubing in electric conduit or raceways. Provide protective grommet
where tubing exits conduit.

2
.

In concealed but accessible locations s
uch as above lay
-
in ceilings,
non
-
metallic tubing may be run without conduit or raceway.

3
.

All tubing which is not run in conduit or raceway, both metallic and
non
-
metallic, shall be neatly routed and securely fastened to
building structure at not more th
an 36
-
IN. intervals.

C.

Electrical Wiring Installation:

1.

Install conduits and wiring in accordance with Specification Section
26 05 33, RACEWAY AND BOXES FOR ELECTRICAL SYSTEMS.

2.

Install signal and communication cables in accordance with
Specification

Section 26 05 21, LOW
-
VOLTAGE ELECTRICAL POWER
CONDUCTORS AND CABLES (600 VOLTS AND BELOW).

3
.

Install all electrical work required for a fully functional system
and not shown on electrical plans or required by electrical
specifications. Where low voltag
e power is required, provide
suitable transformers.

4
.

Install all system components in accordance with local Building Code
and National Electric Code.

D.

Install Sensors and Controls:

1.

Sensors:

a.

Install all sensors and instrumentation according to
man
ufacturer’s written instructions.
S
ensor locations shall be
readily accessible, permitting quick replacement and servicing of
them without special skills and tools.

b.

Calibrate sensors to accuracy specified, if not factory
calibrated.

c.

Use of sensors sh
all be limited to its duty, e.g., duct sensor
shall not be used in lieu of room sensor.

CLEMENT J. ZABLOCKI MEDICAL CENTER

DEPARTMENT OF VETERANS AFFAIRS

MILWAUKEE, WI

6C & 5CN ACUTE CARE WARD RENOVATION

VA PROJECT: 695
-
223


CRITICAL ROOM CONTROL SYSTEM FOR HVAC

23 09 24
-

21

d.

Install room sensors permanently supported on wall frame. They
shall be mounted at 1.5 meter (5.0 feet) above the finished
floor.

e.

Mount sensors rigidly and adequ
ately for the environment within
which the sensor operates.

f
.

All wires attached to sensors shall be air sealed in their
conduits or in the wall to stop air transmitted from other areas
affecting sensor reading.

g
.

Permanently mark terminal blocks for id
entification. Protect all
circuits to avoid interruption of service due to short
-
circuiting
or other conditions. Line
-
protect all wiring that comes from
external sources to the site from lightning and static
electricity.

2.

Pressure Sensors:

a.

Install duc
t static pressure sensor tips facing directly
downstream of airflow.

b.

Install high
-
pressure side of the differential switch between the
pump discharge and the check valve.

c.

Install snubbers and isolation valves on steam pressure sensing
devices.

3.

A
ctuators:

a.

Mount and link damper and valve actuators according to
manufacturer’s written instructions.

b.

Check operation of damper/actuator combination to confirm that
actuator modulates damper smoothly throughout stroke to both open
and closed position
.

c.

Check operation of valve/actuator combination to confirm that
actuator modulates valve smoothly in both open and closed
position.

E
.

Installation of Digital Controllers and Programming:

1
.

Provide sufficient internal memory for the specified control
sequences and trend logging. There shall be a minimum of 25 percent
of available memory free for future use.

2
.

System point names shall be modular in design, permitting easy
operator interface without the use of a written point index.

3
.

Provide software
programming for the applications intended for the
systems specified, and adhere to the strategy algorithms provided.

CLEMENT J. ZABLOCKI MEDICAL CENTER

DEPARTMENT OF VETERANS AFFAIRS

MILWAUKEE, WI

6C & 5CN ACUTE CARE WARD RENOVATION

VA PROJECT: 695
-
223


CRITICAL ROOM CONTROL SYSTEM FOR HVAC

23 09 24
-

22

3.2

SYSTEM VALIDATION AN
D DEMONSTRATION

A.

As part of final system acceptance, a System Demonstration is required
(see below). Prior to s
tart of this Demonstration, the contractor is
to perform a complete Validation of all aspects of the Controls and
Instrumentation System.

B.

Validation

1.

Prepare and submit for approval a Validation Test Plan including
Test Procedures for the performance
verification tests. Test Plan
shall address all specified functions and all specified sequences of
operation. Explain in detail actions and expected results used to
demonstrate compliance with the requirements of this specification.
Explain the method f
or simulating the necessary conditions of
operation used to demonstrate performance of the system. Test Plan
shall include a Test Check List to be used by the Installer’s agent
to check and initial that each test has been successfully completed.
Deliver
Test Plan documentation for the performance verification
tests to the owner’s representative 30 days prior to start of
performance verification tests. Provide draft copy of operation and
maintenance manual with performance verification test.

2.

After appr
oval of the Validation Test Plan, Installer shall carry
out all tests and procedures therein. Installer shall completely
check out, calibrate, and test all connected hardware and software
to insure that system performs in accordance with approved
specific
ations and sequences of operation submitted. Installer
shall complete and submit Test Check List.

C.

DEMONSTRATION

1.

System operation and calibration to be demonstrated by the Installer
in the presence of the Architect or Owner's representative on random

samples of equipment as dictated by the Owner’s representative.
Should random sampling indicate improper commissioning, the owner
reserves the right to subsequently witness complete calibration of
the system at no addition cost to the owner.

2.

Demonstra
te to authorities that all required safeties and life
safety functions are fully functional and complete.

3.

Make accessible, personnel to provide necessary adjustments and
corrections to systems as directed by balancing agency.

CLEMENT J. ZABLOCKI MEDICAL CENTER

DEPARTMENT OF VETERANS AFFAIRS

MILWAUKEE, WI

6C & 5CN ACUTE CARE WARD RENOVATION

VA PROJECT: 695
-
223


CRITICAL ROOM CONTROL SYSTEM FOR HVAC

23 09 24
-

23

4.

The following witnessed
demonstrations of field control equipment
shall be included:

a
.

Observe systems in shut down condition.

b
.

Test application software for its ability to communicate with
digital controllers, and uploading and downloading of control
programs.

c
.

Demonstrate
the software ability to edit the control program off
-
line.

d
.

Demonstrate reporting of alarm conditions for each alarm and
ensure that these alarms are received at the assigned location.

e
.

Demonstrate ability of software program to function for the
intend
ed applications
-
trend reports, change in status etc.

f
.

Demonstrate via graphed trends to show the sequence of operation
is executed in correct manner, and that the systems operate
properly through the complete sequence of operation, e.g.,
o
ccupied/unoccup
ied mode.

g
.

Demonstrate hardware interlocks and safeties functions, and that
the control systems perform the correct sequence of operation
after power loss and resumption of power loss.

h
.

Demonstrate that each control loop responds to set point
adjustment and stabilizes within one (1) minute. Control loop
trend data shall be instantaneous and the time between data
points shall not be greater than one (1) minute.

-----

END
-----