Building Management System.pdf

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TECHNICAL SPECIFICATIONS

SECTION 16975 BUILDING MANAGEMENT SYSTEM (BMS)

PART 1 - GENERAL 1.01

SUMMARY A.

Section Includes: Work of this section section consist of installing of all materials furnished under this section including all equipment, labor, services and incidental item required to complete work as shown on drawings and specified in this se ction. 1.

A fully integrated building, automation and control cont rol system (BACS), UL listed, incorporating direct digital control technology where applicable, equipment monitoring and control including color graphic workstations. System major elements include, without being limited to, the following: a)

Computer based processing units.

b)

Personal computer operator workstations.

c)

Data storage units.

d)

Stand alone Data terminal units.

e)

Data communication units.

f)

Stand alone Remote control units.

g)

Portable operator’s terminals.

h)

Data interface units.

i)

Communication cable.

j) 1.02

RELATED WORK A.

1.03

System software.

The following divisions contain requirements that relate to this section: 1.

Division 14 Conveying System.

2.

Division 15 Mechanical.

3.

Division 16 Electrical.

SCOPE OF WORK

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Building Management System

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A.

B.


General: all materials and/or equipment, necessary for proper operation of the systems, not specified or described herein are to be deemed part of the Specification. Perform the work under this section and provide all labor, materials, services, equipment and accessories necessary to furnish and install all instrumentation and equipment as indicated by the Electrical & Mechanical Drawings and/or as required by the Specification, which without limiting the generality thereof, consists of the following: 1.

Master Control Communication Station: to be located in the central control room where shown on the Drawings and to be the primary operator’s position for the systems being monitored and controlled. From this position the operator is to monitor and control all systems of the Building (pumps, ventilation control, fans, smoke detection, switch-gear, unit sub-stations, lighting control, etc..) via a communication network at a minimum of 16 Kbaud communication speed.

2.

Secondary Station: to be located as required by the Engineer.

3.

Field Processing Unit (FPU): to (FPU): to monitor and control all functions specified on the function list. Field Procession Units or controllers (FPU) are to be of the preprogrammed and/or programmable type of appropriate number of input/output points for the specified application.

4.

Interfacing Panels to to enable connection to physical control points via transducers, signal conditions, interposing relays and the like.

5.

Instrumentation, including sensors/transducers, transformers, sensing piping, tubing as required.

6.

Field wiring conducting communication trunks from DDC/FPU back to central processors in addition to interconnections between processors peripherals, etc. to yield a complete system. This to include power supply connection from nearest emergency panels/substations.

7.

Shop drawings, as-built drawings, instruction manuals, programme listing and all other documentation as required.

8.

Testing and commissioning of installations to take over.

source

code

BMS supplier shall furnish the following programs as part of the system : 1.

Supervisory workstation software as specified for monitoring and control. License for ten users or more and installed on five separate workstations.

2.

One complete set of software programs that has the full feature to program all quoted controllers and the graphic workstation, including program download and upload from controllers. License for two users or more and installed on two different workstations.

3.

Software program to check the operation of all quoted controllers both via physical connection to a controller and by using simulation software to mimic controller operation. License for two users or more and installed on two different workstations.

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1.04


4.

Portable operator terminal software application that allows the use of a laptop as an interface to all types of quoted controllers. License for two users or more and installed on two different workstations.

5.

All other software designed and provided by the BMS manufacturer and required for modification or implementation of control logics, graphics, and addition/deletion of points for future usage of available spares and system expansion.

6.

All required software programs shall be the manufacturer's latest released versions at the time of system handing over and shall be licensed uniquely this project. For each required software, two copies of the installation CD's or diskettes shall be provided.

SYSTEM DESCRIPTION A.

B.

C.

Building Automation and Control System: Distributed process control system consisting of central control, central communications, and remote control systems to monitor and control but not limited to the following building systems: 1.

Plumbing systems controls.

2.

HVAC.

3.

Systems control.

4.

Smoke control.

5.

Fire alarm and detection.

6.

Security and access control systems.

7.

Fire protection system.

8.

Power supply.

9.

Fuel oil systems.

10.

Irrigation system.

The communication method between the different components of the BACS system shall be LONMARK Compatible system should also support the "BACNET" Building Automation and Control Networking Protocol as per ASHRAE Standard 135-95. All systems shall be compatible with the above standard protocol as applicable. General Product Description: 1.

The Building Automation and Control System (BACS) shall integrate multiple building functions including equipment supervision and control, alarm management, energy management and historical data collection.

2.

The system shall be modular in nature and shall permit expansion of both capacity and functionality through the addition of sensors, actuators, field processing units (FPU’s), Application Specific Controllers and operator devices.

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1.05

3.

System architectural design shall eliminate dependence upon any single device for alarm reporting and control execution. Each FPU shall operate independently by performing its own specified control, alarm management, operator I/O and data collection. The failure of any single component or network connection shall not interrupt the execution of control strategies at other operational devices.

4.

FPU’s shall be able to access any data from, or send control commands and alarm reports directly to, any other FPU or combination of FPU’s on the network without dependence upon a central processing device. FPU’s shall also be able to send alarm reports to multiple operator workstations without dependence upon a central processing device.

SCHEDULE OF CONTROL FUNCTIONS A.

1.06

Schedule of control functions included in the Drawings or in this Specification is for the control and monitoring functions related to HVAC, Plumbing and Electrical Works. Contractor should refer to the control sequence shown on drawings and all equipment specified for this project and should generate his own point schedule during tender phase and should not in any means claim for additional price during the execution of the project.

DESIGN REQUIREMENTS A.

B.

Design central processing unit with modular system architecture to allow expansion of processor memory and addition of application software programs, terminal units, and central memory units. Minimum System Configuration: 1.

C.

Accommodate input and output points, building systems data base, and functions specified and allow for 20% additional input/output points and related expanded data base, without modifying system hardware or software.

Future System Expansion: 1.

1.07


Design system to be expanded to accommodate 50% additional input/output points and related expanded data base, without modifying system hardware or software. Design application software programs and system data base to be transportable to expanded central processing unit if required to accommodate specified future expansion.

QUALIFICATIONS A.

Manufacturer and installer to have an office staffed with factory trained engineers and technicians fully capable of providing instructions, routine maintenance and emergency maintenance service on all system components.

B.

Manufacturer and installer to have at least 10 years experience in design and installation of computerized building systems similar to performance to that specified herein and to provide evidence of experience as condition of acceptance and approval.

C.

Supplier to have an in-place support facility within 100 km of the site with spare parts inventory and all necessary test and diagnostic equipment.

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1.08

1.09


QUALITY ASSURANCE A.

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

B.

BACS shall comply with UL 916 PAZX and 864 UDTZ and be so listed at the time of bid. All equipment used in system is to bear appropriate UL listing label/mark to ensure compliance.

C.

Systems conforming to other equivalent international regulatory requirements will be accepted. The burden of proof for equivalent is on the Contractor.

SUBMITTALS A.

Submit in accordance with the Contract Documents.

B.

Shop Drawings: Indicate system configuration; interconnection wiring diagrams; location, data characteristics, range and units for each input and output point; logic diagram for each type of control routine; programming and operating reference for processing unit operating system; programming and operating reference for each application and programming language provided.

C.

Product Data: Provide for each component, including sensors, control drives and elements, plug-in circuit boards, and enclosed equipment units. Include cabinet dimensions, weights, and support point locations for each item of enclosed equipment.

D.

Design Data: Indicate basis of optimization algorithms.

E.

Manufacturer’s Installation Instructions: Indicate installation instructions.

F.

Manufacturer’s Certificate: Certify system meets or exceeds listing requirements of Underwriters Laboratories, Inc. for fire alarm and security equipment.

G.

Submit software provider’s license agreement stating limits on use, copying, and transferring software.

H.

Manufacturer’s Field Reports: Indicate acceptance of component and equipment installation, interconnecting wiring, and weekly progress on installation and start-up of system software.

I.

Where installation procedures, or any part thereof, are required to be in accordance with the recommendations of the manufacturer of the material being installed, printed copies of these recommendations shall be furnished to the Engineer prior to installation. Installation of the item will not be allowed to proceed until the recommendations are received.

J.

P & I or process flow diagrams: to be completed for each system and submitted for approval.

K.

Technical Data Sheets: control and instrumentation technical data sheets (TDS) to be prepared for each advice.

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L.

Loop Diagrams: control and instrument loop diagrams prepared and furnished for all instrument systems. Typical diagrams are not permitted. Loop diagrams are to be unique for each loop.

M.

Equipment Installation Plans: to indicate location of instrument junction boxes, individual field instruments, transmitter racks, and routing of cable duct from junction boxes to respective remote processing units and back to Central Control Room. This is to be accompanied by a list of control points connected by each FPU, with indication of related control functions. Interfacing provided is to be listed; these are to be grouped as per standard sub-module size of digital and analog input/output boards, comprising similar requirements; such as interposing relays amplifiers, level translators, etc..

N.

Operating Consoles: drawings detailing operating consoles, instrument panel layouts and dimensions and control room plans.

O.

Instrument Installation: detail drawings for each field installation are to be furnished. Details are to include but are not limited to instrument piping details, transmitter rack details and pipe mounted equipment installation details.

P.

Logic Diagrams detailing the operational logic are to be completed for the digital binary operations. In addition to these drawings, operational logic descriptions are to be prepared detailing the sequence of operation and operational constraints and limitations.

Q.

Instrument schedule listing all devices to be keyed to instrument loop number and device numbers.

R.

Instrument Schedule to provide a comprehensive data source indicating where all specific information may be found for each service. Schedule to include not only balance of plant equipment but also that equipment furnished as part of packaged systems and is to be noted as such.

S.

Prior to procurement of equipment submit for approval the following drawings and documents:

T.

1.

Process and instrumentation flow diagrams.

2.

Equipment Specifications and completed technical data sheets.

3.

Control logic diagrams and logic descriptions.

4.

Input/output points charts for every processing unit.

Prior to start of system installation and construction submit for approval the following drawings and documents: 1.

Shop drawings for valves, dampers, transducers, transmitters, signal conditioners, indicators, recorders, miscellaneous instruments, central operator processing unit, consoles and ancillary.

2.

Control loop diagrams.

3.

Electrical elementary diagrams.

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U.

V.

4.

Instrument installation plans.

5.

Detailed panel diagrams.

6.

Point to point wiring diagrams.

7.

Instrument schedule, including processing unit panel termination/interface.

Prior to commencing start-up activities the following documents to be submitted for approval: 1.

System construction inspection procedures.

2.

Points calibration procedures.

3.

Calibrated control checkout procedures.

4.

Plant operational system test procedures.

5.

Operator and maintenance personnel training curriculum.

Prior to system acceptance and turnover and as a condition of system acceptance, the following documents are to be submitted in four copies in accordance with contract requirements. 1.

System user manual.

2.

Systems maintenance manual including Specifications of each piece of equipment, trouble-shooting charts, and preventing maintenance instructions, technical data sheet for each instrument referenced for each application.

3.

4.

1.10


As-built drawings including equipment outlined equipment wiring and or piping connection drawing.

dimension

drawings,

Complete supplementary information about software and hardware of system supplied. This to include: a)

system block diagram (hardware)

b)

software “functional” flow diagram

c)

memory map of all units

d)

specific tasks performed by each processor, especially where a distributed processing architecture is provided. These are to be clearly indicated in functional form.

e)

source and object lists of software program

DELIVERY, STORAGE AND HANDLING A.

Deliver, store, protect and handle products to site under provisions of the Contract Documents.

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B. C.

1.11

B.

Protect products from construction operations, dust and debris by storing in conditioned space.

Furnish service and maintenance of building management system for one year from Date of Substantial Completion. Include installation of software revisions issued during maintenance service period.

SPARE PARTS A.

1.13

Accept products on site and verify damage.

MAINTENANCE SERVICE A.

1.12


As soon as practicable after approval of materials and equipment and, if possible, not later than 4 months prior to the date of beneficial use, submit spare parts data for each different item of equipment furnished. Data to include a complete source of supply, a list of parts and supplies that are either normally furnished at no extra cost with the purchase of the equipment, or specified hereinafter as EXTRA MATERIALS to be furnished as part of the Contract; and a list of additional items recommended by the manufacturer to assure efficient operation for a period of 360 days at the particular installation. The foregoing is not to relieve the Contractor of any responsibilities under the guarantee condition.

EXTRA MATERIALS A. B. C.

Provide special tools required for maintenance. Provide two of each plug-in circuit board. Provide 1000 sheets of continuous form paper.

PART 2 - PRODUCTS 2.01

ACCEPTAB:E MANUFACTURERS A. B.

2.02

Honeywell Or approved equal.

NETWORKING COMMUNICATIONS A. B.

The design of the BACS shall network operator workstations and stand-alone FPU’s. Access to system data shall not be restricted by the hardware configuration of the Building Management System. The hardware configuration of the BACS network shall be totally transparent to the user when accessing data or developing control programs.

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C.

2.03


1.

Operator workstations and FPU’s shall directly reside on a network such that communications may be executed directly between FPU’s, directly between workstations and between FPU’s and workstations.

2.

Network design shall include the following provisions: a)

Provide high-speed data transfer rates for alarm reporting, quick report generation from multiple controllers and upload/download efficiency between network devices. System performance shall insure that an alarm occurring at any FPU is displayed at workstations and/or alarm printers within 5 seconds.

b)

Support of any combination of FPU’s and operator workstations directly connected to the network.

c)

Message and alarm buffering to prevent information from being lost.

d)

Error detection, correction and retransmission to guarantee data integrity.

e)

Synchronization of real-time clocks.

Telecommunication Capability: 1.

Auto-dial/auto-answer communications shall be provided to allow FPU’s to communicate with remote operator stations and/or remote terminals on an intermittent basis via telephone lines, as indicated in the sequence of operations.

2.

Provide all necessary hardware and software for remote communications with all remote processors, back-up processors and all operator input/output peripheral devices.

CENTRAL PROCESSING A.

BACS hardware to be totally solid-state using computer oriented digital technology. System to have a fully modular architecture permitting expansion by adding computer memory, additional processing units application software, operator peripherals and field hardware.

B.

Main Station Processing Unit to be microprocessor based mini-computer, Pentium IV, 2.4 GHZ, 16 bit word, with minimum resident random access memory (RAM) capacity of 250 mega-bytes. Processor to be provided with hard disk of mass memory storage/access, based totally on Winchester Technology, with storage capacity of at least 40 Giga bytes.

C.

Secondary Station Processing Unit to be microprocessor based mini-computer, Pentium IV, 2.4GHZ, 16 bit word, with minimum resident random access memory (RAM) capacity of 256 mega-bytes. Processor to be provided with hard disk of mass memory storage/access, based totally on Winchester technology, with storage capacity of at least 40 Giga bytes.

D.

Field Processing Unit or Controller to be distributed stand alone for control of various unitary and terminal equipment or controls with built in network communication for integration into the BACS system.

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E.

Loading/Backup Facilities: provide as an integral of an IBM PC or compatible, all hardware required to load, reload, or backup the memory of the system and the software to execute specified functions. Loading of system to be through use of highspeed, mass storage media, such as magnetic tape cartridge or floppy diskette. This same media to be used for making on-line system backups and for remote historical data storage.

F.

Data Dumpings: if FPU memory fails, the operator shall not have to manually re-enter system data. Necessary hardware and software are to be supplied to: 1.

2.

Allow periodic dumping of operator entered data onto another storage media on line. Reload this data as the operator desires.

Data dumpings are not to interrupt any other system operation (such as operator input/output, scanning of field hardware, application software execution, etc...). 2.04

FPU/DDC CONTROLLERS A.

Stand-alone Controllers shall be microprocessor based with a minimum word size of 16 bits. They shall also be multi-tasking, multi-user, real-time, digital control processors consisting of modular hardware with plug-in enclosed processors, communication controllers, power supplies and input/output point modules. Controller size shall be sufficient to fully meet the requirements of this Specification and the attached function list.

B.

Each FPU shall have sufficient memory, to support its own operating system and database.

C.

Each FPU shall have a minimum of 10% spare capacity for future point connection. The type of spares shall be in the same proportion as the implemented I/O functions of the panel, but in no case shall there be less than two spares of each implemented I/O type. Provide all processors, power supplies and communication controllers complete so that the implementation of a point only requires the addition of the appropriate point input/output termination module and wiring. 1.

Provide sufficient internal memory for the specified control sequences and have at least 25% of the memory available for future use.

D.

FPU shall provide at least One RS-232C serial data communication ports for operation of operator I/O devices such as industry standard printers, operator terminals, modems and potable operator’s terminals. FPUs shall allow temporary use of portable devices without interrupting the normal operation of permanently connected modems, printers and terminals. FPU shall also support one port from communication to ECHELONS LONMARK approved devices.

E.

FPUs shall provide local LED status indication for each digital input and output for constant, up-to-date verification of all point conditions without the need for an operator I/O device. Graduated intensity LEDs or analog indication of value shall be provided for each analog output. Status indication shall be visible without opening the panel door.

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F.

Each FPU shall continuously perform self-diagnostics, communication diagnosis and diagnosis of all panel components.

G.

In the event of the loss of normal power non-volatile memory shall be incorporated for all critical controller configuration data and battery backup shall be provided to support the real-time clock and all volatile memory for a minimum of 72 hours. 1.

2.05


Upon restoration of normal power, the Controller shall automatically resume full operation without manual intervention.

FPU/DDC RESISDENT SOFTWARE FEATURES A.

General: 1.

All necessary software to form a complete operating system as described in this specification shall be provided.

2.

The software programs specified in this Section shall be provided as an integral part of FPU/DDC Controllers and shall not be dependent upon any higher level computer for execution.

B.

The DDC programming software shall be user friendly objet oriented programming language.

C.

DDCs : 1.

DDCs shall be of the programmable type only. Programmed, application specific DDCs may be used for FCUs and VAVs only.

2.

DDCs shall communicate with each other on a peer to peer communication. Workstations shall be switched on and off without any interruption to control and monitoring sequences. DDCs shall be stand-alone in terms of operation, control, and alarming, and shall have sufficient memory to support its own operating system and data base.

3.

Each DDC shall be able to be connected to remote input/output I/O modules through a communication bus.

4.

Output modules shall have override switches for each point (on/off/auto switches for digital outputs, gradual switches for analog outputs). DDC controllers shall monitor the status of all overrides and inform the operator that automatic control has been inhibited. The supervisory software shall be able to report override activity information.

5.

Each DDC shall perform self diagnostics and report to the supervisory workstation any component failures, such as low battery condition.

6.

All Points for a given piece of equipment shall be monitored and controlled from one DDC, division of points related to the same equipment, chilled water plant, heating plant, between DDCs is not allowed.

7.

DDCs shall be able to perform the following algorithms: a)

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Two position control


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8.


b)

Proportional control

c)

Proportional plus integral control

d)

Proportional, integral, plus differential control

DDCs shall use any of the following in a custom process : a)

Any system measured point data or status

b)

Any calculated value

c)

Any results from other processes

d)

User-defined constants

e)

Arithmetic functions (+,-,*,/, square root, exp, etc.)

f)

Boolean logic operators (and, or, exclusive or, etc.)

9.

Custom processes can be triggered based on time interval, time of day, events, or any combination of the above. Custom processes shall be able to incorporate measured or calculated data from any DDC on the network.

10.

Trend logging.

11.

a)

Any point, physical or calculated may be designated for trending. Two methods of collection shall be allowed either by a predefined time interval or upon a predefined change of value, Sample intervals of 1 minute to 7 days shall be selectable.

b)

Trend data shall be uploaded to the connected Supervisory workstation for points for which trend logging is activated on the Supervisory software. All trend data shall be available for use with 3rd party personal computer applications.

c)

Display of trend data shall be selectable for the same above intervals. Where minimum, maximum, and average values of each interval are displayed.

Alarms a)

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All alarms shall include the point's English language name, time of occurrence, and an assigned alarm message. Each DDC shall be able to store a minimum of 50 different alarm messages, each 200 characters long to fully describe the alarm condition and the required operator action. These messages shall be assigned to any number of points. i.

Each point shall have at least four levels of alarm.

ii.

The user shall be able to define specific system reaction for each level of alarm for any point.


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12.

D.

2.06


iii.

Alarm levels shall be combined with user definable destinations, such as Supervisory workstation, Printer, dialup connection, DDC only etc or any combination of the above destination.

iv.

Controller shall automatically inhibit the reporting of selected alarms during system shutdown and start-up.

v.

Users shall have the ability of manually inhibiting alarm reporting for any point.

Totalizers a)

DDCs shall automatically accumulate and store run-time hours for digital input and output points, and shall automatically calculate and store consumption totals, such as K Wh, gallons, tons, etc., on a daily, weekly or monthly basis for analog and digital pulse input type points.

b)

The totalization routine shall have a sampling time of one minute or less.

c)

The user shall have the ability to define a warning limit for totalizers. Unique, user defined messages and events shall be activated when the limit is reached.

d)

DDC's shall have the ability to count events such as the number of times a pump or a fan is cycled on and off.

Provide one operator interface to be plugged directly to DDCs. Operator shall have a minimum LCD display of 30 characters per line and 6 lines and a fully featured keyboard. Provide user friendly, English language prompted interface for quick access to system information, codes requiring look-up charts are not acceptable. The following functions shall be available from the operator interface: 1.

Display all points on a DDC

2.

Display trending and totalizing information

3.

Command, change set-point, enable/disable any system point

PORTABLE OPERATOR’S TERMINAL (POT)

A.

Provide one portable operator terminal with a minimum LCD display of 80 characters by 25 lines and a full featured keyboard. The POT shall be handheld and plug directly into individual distributed control panels. Provide a user friendly, English language prompted interface for quick access to system information, not codes requiring lookup charts.

B.

If the same Portable Operator’s Terminal cannot be used for all control processors, provide separate POTs to accomplish the above functional requirements.

C.

Portable operator terminal access to controller shall be password controlled.

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D.

2.07


The portable operator terminal, POT, software application shall be installed on a laptop and plugged directly to DDCs. The Portable operator terminal software application shall provide the following functions : 1.

Back-up and/or restore DDC data bases

2.

Display all points on a DDC

3.

Display trending and totalizing information

4.

Command, change set-point, enable/disable any system point

5.

Load and/upload DDC logic programs.

OPERATOR PERIPHERAL DEVICES A.

General: operator peripheral device communications, here designated as ManMachine Interface (MMI) to be handled simultaneously through various devices generally categorized as software and hardware. Each device may be connected in a direct proprietary, leased phone line, or dial-up phone line application.

B.

Standards: all peripheral devices to utilize ASCII (American Standard Code for Information Interchange) code and to be interfaced to the processing units with standard RS 232 port. Communication versatility is to comply with all methods previously specified herein.

C.

Operator Station to comprise multiple operator peripheral input/output devices which can all be used simultaneously.

D.

Operator Access to system to be restricted by a software coding process. Systems which provide only manual key lock accessibility are not acceptable.

E.

Printers: system printers to provide hard copy data retention of change of state, operator initiated actions, management reports, graphics and trended information. Printers which can be interfaced include the following: 1.

color printer

2.

receive only (RO) printer

Main control station to be provided with one color and two receive only printers. Secondary stations to be provided with one color and one receive printer. Provide a printer (RO) for recording alarms, operator transactions and systems reports, meeting the following minimum requirements: 1.

Wide carriage 160 character per second print speed.

2.

9 x 9 DOT matrix character structure switchable to 9 x 18 DOT matrix for letter quality output.

3.

Compressed mode option for 220 characters per line.

4.

Software selectable under line, emphasized, double strike and expanded (double width) characters capability.

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5.

Adjustable line spacing.

6.

Adjustable tractor for 5 inch to 15 inch paper widths.

Provide an A3 inkjet type color printer for printing of graphics and any other screen displays. Printer shall include as a minimum:

2.08

80 Column tractor feed for normal use with ability to switch to friction feed of single sheets of paper without any mechanical adjustments.

2.

360 x 360 Dot/inch image resolution.

3.

Draft and letter quality print selection for alpha-numeric operations.

4.

32 K Buffer to store complete graphics for printing.

CATHODE RAY TUBE (CRT) A.

2.09

1.

General: provide color Cathode Ray Tubes (CRT) with direct video capability and keyboards to display real-time data, allow operator commands, perform data base generation and report system activity.

FIELD DEVICES AND CONTROLS A.

Provide all necessary transducers, flow and level switches, pressure and temperature sensors, transmitters, etc.. where applicable to satisfy all functions required.

B.

Proof of fan operation shall be by means of air flow switches. Proof of pump operation shall be by means of water flow switches.

C.

Water temperature sensors shall be Resistance Temperature Detector (RTD) type of 1000 ohm platinum, or 20,000 ohm. Sensors shall have + or - 1.0 degrees F accuracy between 32 degrees and 212 degrees.

D.

Duct temperature sensors shall be rigid stem or averaging type as specified in the sequence of operation. Water sensors shall be provided with a separable copper, monel or stainless-steel well.

E.

Water flow analog sensors shall be provided complete with flow element and shall be an all solid state precision industrial type with stainless-steel meter body, maximum error of no more than .5% of span, and 4 to 20 ma output. Sensor shall be rated for 250 psi minimum and installed in strict accordance to the manufacturer's instructions complete with three-valve manifold for calibration and maintenance.

F.

Kilowatt transducers shall be the integrated electronic type with accuracy of .2% of scale. For balanced (such as motors) three phase loads, two current transformers (CTs) shall be provided and for unbalanced loads, three CTs shall be provided. Two or three potential transformers (PTs) shall be provided as recommended by the manufacturer for the application.

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G.

Analog output transducers shall be designed for precision closed loop control with pneumatic repeatability error no greater than 1 %.

H.

Unless specified otherwise elsewhere, relative humidity sensors shall be capacitance type with 10% to 90% range. Duct mounted humidity sensors shall be provided with a sampling chamber.

I.

Current sensing relays used for proof-of-loading for fans and pumps shall be suitable for 2 to 200 amperes and shall have adjustable trip thresholds of plus or minus two percent of range. Each relay shall be provided with an LED to allow ready observation of the relay status.

J.

Fan proof-of-flow switches shall be adjustable set point and differential pressure type. Switches shall be piped to fan discharge except where fans operate at less than one inch WC, they shall be piped across the fan. For fractional horsepower and nonducted fans, relays or auxiliary contacts may be used. Maximum pressure rating shall be at least 10 inches WC.

K.

Pump proof-of-flow switches shall be adjustable differential pressure or flow type as specified in the sequence of operation or data point summary. Devices shall be 150 psi with IP65 protection class. Switch to be SPDT with 250 VAC, 8 Amp rating.

L.

On-off motorized butterfly valves shall be have a housing of ductile iron GGG40 with stainless steel shaft. They shall have PN16 rating and be suitable for temperatures of -10 to 130 Deg C. Actuator shall be provided with a manual operator and should be suitable to provide the necessary torque for tight close-off.

M.

Differential water pressure transducer shall have 0-10 volt output and a protection class of IP65. Housing to be aluminum die cast with stainless steel sensing element. Transducers should be suitable for temperatures up to 70 Deg C

N.

Current transducers should have a rated input of 1 amp. or 5 amp. Accuracy to be 0.2% minimum and linearity to be less than 0.1%. Response time to be less than 250 ms. Output signal to be 4-20 ma or 0-20 ma. Transducer should be able to withstand a continuous overload of 4 times the rated input current and a maximum overload of fifty times the rated current for 1 second.

O.

Voltage transducers should have a rated input of 600 Volts. Accuracy to be 0.2% minimum and linearity to be less than 0.1%. Response time to be less than 250 ms. Output signal to be 4-20 ma or 0-20 ma. Transducer should be able to withstand a continuous overload of 1.5 times the rated input current and a maximum overload of two times the rated voltage for 1 second.

P.

Current transformers should be instrument grade split core type with outputs of 1 Amp. or 5 Amp. Accuracy to be 0.5% from 10% to 100% of rated current. Insulation class to be 600 VAC

Q.

Water pressure switches should be suitable for media temperature of -25 to 70 Deg C. Switch should have IP54 protection and should be supplied with SPDT micro switch rated at 5 Amps inductive or 8 Amps resistive current. Switch to have an adjustable setting for the set point and the hysterisis

R.

Air pressure transmitter should be suitable for media temperature of -25 to 70 Deg C. It should have IP54 protection and should have an output of 0-10 Volts DC output.

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Transmitter should also be supplied with necessary accessories for installation on ducts.

2.10

S.

Air flow switches shall be paddle type suitable for a maximum pressure of 0.25 bars. Devices shall be IP65 protection class. Switch to be SPDT with 250 VAC, 8 Amp rating.

T.

Occupancy sensor shall use Dual Sensing Verification Principle for coordination between ultrasonic and passive infrared technologies. Detection verification of both technologies must occur in order to activate lighting systems. Upon verification, detection by either shall hold lighting on.

U.

CO sensor should be suitable for ranges of 0-100 ppm to 0-500 ppm. Sensor to have IP65 protection and to provide 4-20 ma output.

V.

Wind speed sensor should be suitable for speeds up to 90 m/s. It should be provided with a contact output suitable for 0-100 VDC, 0.5 Amps. Switch to have IP65 protection.

W.

Rain sensor should have IP65 protection and should be supplied with a switching unit to provide a SDPT contact suitable for 230 VAC, 5 Amps.

X.

Level switches to be magnetic float types with a guide tube and should allow single or multilevel switching types. Switch to be top mounted. Switch should be suitable for water and oil applications. For gas applications and explosive atmospheres a switch with intrinsic safety approval should be used.

Y.

Level transmitters for oil and water should be of the ultrasonic type, top mounted with 4-20 ma output. Sensor to have IP 68 protection while the housing should have IP67 protection.

Z.

Level transmitters for gas tanks should work on the float principle with magnetic transmission (permanent magnet, reed switches and resistance chain). Level to be read by continuously measuring the total resistance as the float moves along the guide. Transmitter should be supplied with an intrinsically safe control unit to convert the resistance into a 4-20 ma current.

AA.

Conductivity sensor should provide accurate temperature compensated measurement over the ranges of 0.055 to 1,000,000 micromhos/cm and 0-18.2 Megohms-cm. Sensor should provide an output of 0-10 volts or 4-20 ma DC corresponding to linear concentration output signals Accuracy to be less than 0.5% of span. It should be supplied

SCHEDULE OF SYSTEM GRAPHICS A.

HVAC monitoring and control 1.

B.

C.

Equipment: Show layout of all equipment including chillers, boilers, AHUs, FCUS,VAV boxes, pumps, dampers, etc...., as per mechanical drawings.

Monitoring and control Points: Show all monitoring and control points related to all equipment indicated above as per schedule of functional point list. Ventilating monitoring and control:

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D.

E.

F.


1.

Equipment: Show layout of all fans and motorized dampers, as per mechanical drawings.

2.

Monitoring and control Points: Show all monitoring points related to all equipment indicated above as per schedule of functional point list.

Plumbing monitoring and control 1.

Domestic Cold and Hot Water System: Show all monitoring and control functions as per design drawings.

2.

Drinking and Irrigation Water System: Show all monitoring and control functions as per design drawings.

3.

Lift station: Show all control and monitoring functions as per design drawings.

4.

Water treatment plant: show layout with monitoring and control functions for all water treatment equipment.

5.

Fuel oil systems : show all monitoring and control functions as per design drawings.

6.

Fire Pump: Show layout plan, with location, by color change status.

7.

Fire Fighting System: Show all monitoring and control functions as per design drawings.

8.

Location plan for each floor, indicating flow alarm devices and zone limits with color change status.

9.

Irrigation system – show all monitoring and control points.

Fire Detection and Alarm 1.

Fire Detection System: Overview schematic of detection / protection scheme.

2.

Zone Alarm/Fault: Layout plans of each basement floor with colour change to indicate condition.

3.

Zone Alarm/Fault: Allow for backup advisory messages in case of alarms generation. Relay for action to be taken; mechanical equipment shutdown, etc.

Electrical Control: 1.

Power Distribution System: System overview with indication of list feeders, main feeders, tie breaker status, by color change. Show all control functions as per control sequence shown on design drawings.

2.

General Switchgear: Show all monitoring functions as per design drawings.

3.

Diesel Engine System: Show all monitoring functions as per design drawings.

4.

Unit Substation: Show all monitoring functions as per design drawings.

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5.

G.


Lighting Panel Boards: System overview with status indication of all contactors.

Required Graphics shall include but not limited to the below list : 1.

Main graphic shall be a digital photograph of the buildings façade from which an Auto-cad elevation drawing of the Library, Business School, or Parking buildings can be selected.

2.

From the Auto-cad elevation drawings an Auto-cad floor layout can be selected where room temperatures are displayed.

3.

Selecting a technical room will open the equipment layout graphic of the room with basic readings. The drawn equipment shall resemble the actual equipment. Selecting equipment will open the graphic containing the schematic of the equipment with all related readings.

4.

Selecting other rooms will open the graphic of HVAC equipment serving that room, e.g. FCU, VAV box or AHU, with available readings and with a link to the graphic of the main equipment, e.g. AHU serving that VAV box, Chiller Plant or Heating Plant Serving that FCU.

5.

For smoke exhaust under fire conditions an Auto-cad elevation drawing shall show the position of all smoke fire dampers, the status of AHU's, smoke exhaust fans, and pressurization fans.

PART 3 – EXECUTIONS 3.01

EXAMINATION A. B.

Verify field measurements are as shown on shop drawings and as instructed by manufacturer.

C.

Verify that required utilities are available, in proper locations, and ready for use.

D. 3.02

Correct unsatisfactory conditions.

INTERFACES WITH OTHER PRODUCTS A. B.

3.03

Verify that conditioned monitoring rooms are ready to receive work.

Connect HVAC monitoring devices under provisions of Division 15 related Sections. Connect motor controllers, lighting controls, fire alarm and smoke detection devices, intrusion detection and security access devices, electrical sensing and measurement devices, electrical controls and relays, programmable logic controller, under provisions of Divisions 14 and 16 related Sections.

FIELD QUALITY CONTROL A.

Test each sequence of building management system by simulation of normal, offnormal, and alarm conditions.

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3.04


ON-SITE TESTING A.

B.

Provide Engineer-approved operation and acceptance testing of the complete system. The Engineer will witness all tests. Field Test: 1.

C.

When installation of the system is complete, calibrate equipment and verify transmission media operation before the system is placed on line. All testing, calibrating, adjusting and final field tests shall be completed. Provide a detailed cross check of each sensor within the system by making a comparison between the reading at the sensor and a standard traceable to the National Bureau of Standards. Provide a cross check of each monitoring point within the system by making a comparison between the monitoring command and the field controlled device. Verify that all systems are operable from local controls in the specified failure mode upon panel failure or loss of power. Submit the results of functional and diagnostic tests and calibrations to the Engineer for final system acceptance.

Compliance Inspection Checklist: Submit in the form requested, the following items of information to the Engineer for verification of compliance to the project specifications. Failure to comply with the specified information all constitute non-performance of the contract. The Contractor shall submit written justification for each item in the checklist that he is unable to comply with. The Engineer will initial and date the checklist to signify Contractor’s compliance before acceptance of system. 1.

Verify to the Engineer in letter form that supplier has in-place support facility. Letter shall show location of support facility, name and titles of technical staff, engineers, supervisors, fitters, electricians, managers and all other personnel responsible for the completion of the work on this project.

2.

Submit in data sheet form or official government approval form compliance to F.C.C. Regulation, Part 15, Section 15.

3.

Manually generate an alarm at a remote Controller as selected by the Engineer to demonstrate the capability of the workstation and alarm printer to receive alarms within 5 seconds.

4.

Disconnect an operator workstation in the central monitoring room and manually generate an alarm at a remote Controller to demonstrate the capability of the system printer to receive alarms when the workstation is disconnected from the system

5.

Disconnect one Controller from the network to demonstrate that a single device failure shall not disrupt or halt peer-to-peer communication. Panel to be disconnected shall be selected by the Engineer.

6.

At a Controller of the Engineer’s choice, display on the portable operator’s terminal: a)

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Set points and status conditions, i.e., on or off for a system or piece of equipment attached to that panel as well as for points at another Controller on the network, as selected by the Engineer.


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3.05

3.06

b)

The diagnostic results as specified for a system or piece of equipment attached to that panel as well as for a system or piece of equipment attached to another Controller.

c)

The ability to add a new point to the Controller with the POT and have it automatically uploaded to the workstation to modify that panel’s stored database.

FIELD SERVICES A.

Adjust set points, alarm points, and display configurations so that system performs as specified.

B.

Include installing and debugging hardware and software. Perform hardware configuration revisions required to accommodate software patches.

C.

Enter building management data base and provide backup copy.

CLEANING A.

3.07


Clean equipment finishes interiors of equipment cabinets.

SERVICE AND GUARANTEE A.

General Requirements: 1.

Provide all services, materials and equipment necessary for the successful operation of the entire BACS system for a period of one year after completion of successful performance test. Provide necessary material required for the work. Minimize impacts on facility operations when performing scheduled adjustments and non-scheduled work.

B.

Description of Work: The adjustment and repair of the system includes all computer equipment, software updates, transmission equipment and all sensors and monitoring devices. Provide the manufacturer’s required adjustment and all other work necessary.

C.

Personnel: Provide qualified personnel to accomplish all work promptly and satisfactorily. Owner shall be advised in writing of the name of the designated service representative, and of any changes in personnel.

D.

Schedule of Work: Provide two minor inspections at 6 month intervals and two major inspections offset equally between the minor inspections to effect quarterly inspection of alternating magnitude, and all work required as specified. Minor inspection shall include visual checks and operational tests of all equipment delivered. Major inspections shall include all work described for minor inspections and the following work: 1.

Clean all equipment, including interior and exterior surfaces.

2.

Perform signal, voltage and system isolation checks of system workstations and peripheral.

3.

Check and calibrate each field device. Check all analog points and digital points.

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4.

Run all diagnostics and correct all previously diagnosed problems.

5.

Resolve and correct any previous outstanding problems.

6.

3.08

Provide detailed report after each inspection.

E.

Emergency Service: Owner will initiate service calls when the system is not functioning properly. Qualified personnel shall be available to provide service to the complete system. Furnish Owner with a telephone number where service representative can be reached at all times. Service personnel shall be at the site within 24 hours after receiving a request for service. Restore the monitoring system to proper operating condition within 3 days.

F.

Operation: Performance of scheduled adjustments and repair shall verify operation of the system as demonstrated by the initial performance test.

G.

Systems Modifications: Provide any recommendations for system modification in writing to Owner. Do not make any system modifications, including operating parameters and monitoring settings, without prior approval of Owner. Any modifications made to the system shall be incorporated into the operations and maintenance manuals, and other documentation affected.

H.

Software: Provide all software updates and verify operation in the system. These updates shall be accomplished in a timely manner, fully coordinated with the system operators, and shall be incorporated into the operations and maintenance manuals, and software documentation.

DEMONSTRATION A.

3.09


Provide systems demonstration under provisions of the Contract Documents.

TRAINING A.

B.

The Contractor shall provide competent instructors to give full instruction to designated personnel in the adjustment, operation and maintenance of the system installed rather than a general training course. Instructors shall be thoroughly familiar with all aspects of the subject matter they are to teach. All training shall be held during normal work hours as follows: Training shall include: 1.

Explanation of drawings, operations and maintenance manuals.

2.

Walk-thru of the job to locate monitoring components.

3.

Operator workstation and peripherals

4.

Controller operation/function

5.

Operator monitoring functions including graphic generation and field panel programming.

6.

Operation of portable operator’s terminal.

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7. C.

3.10

Explanation of adjustment, calibration and replacement procedures.

Provide additional training quarterly for a period of one year from final completion of the project.

MANUALS A.

3.11


Provide four sets of manuals in hard copy an one set in soft copy for the following : 1.

All System Graphics; indicate the tag number of the equipment and each control point name and address

2.

All control logic; indicate the tag number of the equipment and each control point name and address

3.

List of all control points parameters with the values used for commissioning

4.

Operator manuals for the supplied software

5.

Operation and maintenance manual

CONTROL WIRING A.

All control wires are to be numbered with 5-digit scheme using legrand or 3M numbers.

B.

All input and output cables should be routed separately from lines with voltages greater than 48 volts and cables transmitting a switching action. All temperature and humidity input cables should be routed alone. All wiring for inputs shall be shielded cables. All low voltage cables should be routed separately from line voltage cables. Low voltage cables from each field item to be routed back to the BMS panel, i.e. connections to transformer output to be done at the panel. Communication cable should be routed alone.

C.

Electric power connections to field equipment to be done via terminal blocks. Electric power to each transformer to be separately protected via fused terminal blocks. Electric power circuits from a transformer to be separately protected via fused terminal blocks. Terminal blocks to be rail mounted terminal blocks with disconnect feature. Provide 10% spare terminal blocks per panel. Terminal Blocks Approved manufacturers: 1.

Wago

2.

Legrand

3.

Or approved equal.

D.

Provide an intermediate external 24v relay, outside the DDC, for all digital outputs.

E.

Cable selection shall be based on the load they supply, but in circumstance shall be less than 1.0 mm2. Contractor shall make sure that the voltage drops on every line (cable) is within the permissible range of the devices installed, and this shall be calculated based on the worst case scenario (i.e. all devices on the same line and/or power supply) are operational at the same time. This calculation sheet shall be submitted prior to the installation of conduits.

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F.

Conduit size shall be selected based on the 40% fill criteria.

G.

To obtain a step down in voltage use transformers only. All transformers are to be located in the control panel.

H.

Each DDC is to be housed in a separate lockable panel; transformers, relays and terminal blocks to be housed in another panel. Panel to be IP55 with back mounting plate and lockable door. Panel to be as specified for electric panels.

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Building Management System.pdf

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