Generally the BMS system consists of the microcomputer based remote control panels interfacing directly with sensors, actuators and environmental delivery systems (i.e., HVAC equipment, lighting systems, ).
The BMS also interfaces with the chiller plant automation panel where applicable.
The system shall have an inbuilt spare capacity of minimum twenty percent at all levels of control and network to allow for future expansion.
Two-wire communication networks to allow data exchange between remote panels and the central Building Management computer.
One personal computer (PC) based central and associated operator station(s) and software functioning as the primary operator interface for the BMCS.
Electronic and electric controls for all items indicated on drawings and described hereinafter including sensors, control valves and thyristers.
Submittals, data entry and electrical installation, programming, interfacing with other systems, start up, test and validation, instruction of Owner’s representative on maintenance and operation, as built documentation, and system warranty.
BMS PERFORMANCE OBJECTIVES
The Contractor must note that the Building Management System Specification describes in general terms the control philosophy for various systems and the means of achieving the same.
These are the minimum requirements only.
In view of the rapid changes in the field of controls and related technology, the BMS installation contractor shall include for the latest technology and systems available from the specified manufacturer at the time of tender.
Contractor shall bear the costs related to loading the latest version of software available at the time of handing over of the installation.
The Building Management System (BMS) shall be comprised of Network Area Controller or Controllers (NAC) within the facility. The NAC shall connect to the owner’s local or wide area network, depending on configuration.
Access to the system, either locally in each building, or remotely from a central site or sites, shall be accomplished through standard Web browsers, via the Internet and/or local area network.
Each NAC shall communicate to LonMark/LonTalk (IDC) and/or BACnet (IBC) controllers.
BMS DESIGN PARAMETERS
The proposed BMS system and components shall be compatible with a wide variety of control devices using BACnet, LON, Ethernet TCP/IP, ModBus and OPC standard for open system communications and other current international communication standards.
BMS shall be capable of being extended with controllers on the BACnet protocol and the LON bus.
The BMS shall allow integrating future BACnet controllers on the process level.
Using appropriate hardware, the system shall be Listed by Underwriters Laboratories Inc (ULI) or approved equal for use in energy management (category PAZX), critical process (category QVAX), security (category APOU), and as the primary control and monitoring device for smoke control (category UUKL) and fire alarm systems (category UOJZ).
OPEN, INTEROPERABLE, INTEGRATED ARCHITECTURES
The intent of this BMS specification is to provide a peer-to-peer networked, stand-alone, distributed control system with the capability to integrate both the ANSI/ASHRAE Standard 135-1995 BACnet and LonWorks technology communication protocols in one open, interoperable system.
The supplied BMS computer software shall employ object-oriented technology (OOT) for representation of all data and control devices within the system.
In addition, adherence to industry standards including ANSI / ASHRAE™ Standard 135-1995, BACnet, Lontalk, and LonMark to assure interoperability between all system components is required.
For each LonWorks device that does not have LonMark certification, the device supplier must provide an XIF file for the device.
For each BACnet device, the device supplier must provide a PICS document showing the installed device’s compliance level.
Minimum compliance is Level 3; with the ability to support data read and write functionality.
Physical connection of BACnet devices shall be via Ethernet.
All components and controllers supplied under this contract shall be true “peer-to-peer” communicating device Components or controllers requiring “polling” by a host to pass data shall not be acceptable.
The supplied system must incorporate the ability to access all data using standard Web browsers without requiring proprietary operator interface and configuration programs.
An Open Database Connectivity (ODBC) or Structured Query Language (SQL) compliant server database is required for all system database parameter storage.
This data shall reside on a supplier-installed server for all databases. Systems requiring proprietary database and user interface programs shall not be acceptable.
A hierarchical topology is required to assure reasonable system response times and to manage the flow and sharing of data without unduly burdening the customer’s internal Intranet network Systems, employing a “flat” single tiered architecture shall not be acceptable:
Maximum acceptable response time from any alarm occurrence (at the point of origin) to the point of annunciation shall not exceed 5 seconds for network connected user interfac
Maximum acceptable response time from any alarm occurrence (at the point of origin) to the point of annunciation shall not exceed 60 seconds for remote or dial-up connected user interface.
The field controller(s) shall be provided for manipulation of data from the field controllers for onward communication to the Management Level. It shall also perform management functions and event-related communication.
The Control and Interlock system for the process control shall comprise microprocessor based controllers together with the necessary input and output modules. All the field devices shall be connected to the respective input and output modules.
Use of dumb input and output modules shall be permitted only where the I/O terminals are not adequate for the inputs/outputs required for a particular equipment or a sub system.
QUALITY ASSURANCE OF BUILDING MANAGEMENT SYSTEM
The BMS system shall be installed by competent mechanics, regularly employed by the BMCS manufacturer with full responsibility for proper operation of the BMCS including debugging and proper calibration of each component in the entire system.
Supplier shall have an in-place support facility within 10 miles of the site with technical staff, spare parts inventory and all necessary test and diagnostic equipment.
Codes and Approvals:
The complete BMCS installation shall be in strict accordance to the national and local electrical codes and the electrical section of these specifications.
All devices designed for or used in line voltage applications shall be UL Listed or approved by an equal regulatory authority.
All microprocessor based remote DDC devices shall be UL916 Listed or approved by an equal regulatory authority.
European EMC directive 89/336/EEC/EMC including all its amendments.
Tested standard EN 55022 – Emission and EN 50082-1 – Immunity.
European Low Voltage Directive for Safety 73/23 EEC including all amendments, Tested Standards EN 60950 and EN 60730-1.
European General Product Safety Directive 92/59/EEC./ Tested standards – EN 60730-1.
All microprocessor based remote F&S devices shall be UL864 Listed or approved by an equal regulatory authority.
All BMCS or BMS central equipment shall be UL864 Listed or approved by an equal regulatory authority.
All BMCS central and remote equipment used in security applications shall be UL1076 Listed or approved by an equal regulatory authority.
All BMCS central and remote equipment used in access control applications shall be UL294 Listed or approved by an equal regulatory authority.
All electrical environmental control and monitoring devices shall be UL429 and/or UL873 Listed or approved by an equal regulatory authority.
All electronic equipment shall conform to the requirements of FCC regulation Part 15, Section 15 governing radio frequency electromagnetic interference and be so labelled.
System shall be designed to provide satisfactory operation without damage at 110% and 85% of rated voltage and at + 3 hertz variation in line frequency.
System shall be designed to provide static, transient, and short circuit protection on all inputs and outputs. Communication lines shall be protected against incorrect wiring, static transients and induced magnetic interference. Bus connected devices shall be c. coupled or equivalent so that any single device failure will not disrupt or halt bus communication.
All real time clocks missing shall be battery backed.
Plant Control Processors shall comply with applicable ISO standards.
DATA LOGGING
Data logging shall be available in the following forms:
- Controller/Server Based: Logging sets which are specified at the BMS terminal are loaded into multiple controllers for operation and whose data is automatically sent to selected server
- Real Time Displayed: Logging sets which are specified at the BMS terminal are loaded into multiple controllers for operation and whose data is automatically displayed at selected BMS terminal
- Controller: A mechanism in every programmable controller that automatically logs every point on a regular basi This circular log is viewed on request from any remote or mobile user interface
BMS POINT SCHEDULES
The BMS point schedule shall include but not be limited to the following as applicable:
Chilled Water Pumps (Secondary)
- Pump run status
- Start/Stop of pumps
- Indication of manual switch position
- Pump trip alarm indication
- Pump speed for variable speed units
- Pump discharge pressure at common header
- Supply and return water pressure
CHW Pressurization Units
- The chilled water system pressure
- In case of HI/LO Pressure in the chilled water system there will be an alarm.
- Power supply status of panel.
- Running switch indicator.
Extract Fans
- Start/Stop of fans
- The status of each fan from MCC panel
- Trip alarm indication
- VSD enable/disable
- VSD speed control
- VSD speed feedback
- Variable speed drive fault
- Variable speed drive run status
Fresh Air Handling Units
- Variable speed drive fault
- VSD speed feedback
- VSD speed control
- VSD enable/disable
- Supply duct pressure
- Fire Alarm
- Ambient temp and humidity
- EA temperature
- CW Control valve modulate
- Supply air temperature
- Off coil temperature
- Filter status
- Thermal wheel trip status
- Wheel run status
- Thermal wheel start/stop
- HOA switch auto status (thermal wheel)
- Fan start/stop command
- Fan trip status (supply & return)
- Fan run status (supply & extract)
- Fan start/stop command
- HOA switch auto status (supply & extract):
- Variable speed drive run status
- Duct humidity (supply/intake)
- Air flow indicator
Fan Coil Units
- Monitoring of space temperature
- Run status of FCU fan
- Room temperature set point
- FCU shall have additional 3 speed switch.
Air Handling Units (Re-circulating Type)
- Indication of manual (HOA) switch at AHU
- Monitoring of space temperature and humidity adjustment from BMS
- Run Status of AHU fan
- Start/Stop of AHU fan
- Cooling coil air on / air off temperatures monitoring
- Reheat coil on/off (monitoring)
- Filter status
- Reheat coil trip alar
- VSD enable/disable
- VSD speed control
- VSD speed feedback
- Variable speed drive fault
- Variable speed drive run status
Note : Each AHU shall have a local temperature set point adjuster.
Close Control Unit
- Start/Stop of unit
- Fan run status
- Cooling coil air ON/OFF temperature
- Reheat coil air ON/OFF temperature
- Filter status
- Humidifier ON/OFF status
- Space temperature
- Space humidity
- Temp. set poi
- Humidity set point.
- Selector switch posit
- Room Temperature
- Room Temperature set point
- Airflow
- Damper position
- Heater On/Off (if applicable)
Water Pump Sets (Booster + Filtration)
- HOA switch position indicating
- Pump start/stop
- Run status of each pump
- Trip alarm indication in BMS of individual pump.
- System Pressure
- Running switch indicator
Fire Pumpset
- System Pressure
- Run Status of each pumps
- Trip alarm indication of electric pump and fail to start indication from diesel pump.
- Diesel pump battery st
Water Tanks (GRP)
- Level indication
- High/low level alarm
Water Tanks (Concrete tanks)
- Level indication
- Low level alarm
- Fire water reserve
Water filtration system
- Water differential pressure across unit
- Backwash cycle on status
- Backwash cycle off status
- Common system fault /alarm signal
Irrigation pumps
- Pump start/stop command
- Pump run status
- Pump trip signal
- System Pressure
Motorized Damper / Fire Damper
- Status of dampers, open/close
CO2 Control Panel
- Run status
- System alarm
- Trip alarm indication
Electricity and Water Monitoring Meters
- Monitoring and recording (hourly, daily, weekly and annually).
- Compare consumption for the recorded periods for trend analysis.
- Determine ‘out-of-range’ values and alert building operator.
- Record peak energy consumption for each end use.
Fire Alarm System
- All System Alarms
- Common Fault Alarm
- Power ON/OFF status
CCTV System
- All System Alarms
- Common Fault Alarm
- Power ON/OFF status
Public Address System
- All System Alarms
- Common Fault Alarm
- Power ON/OFF status
Access Control System
- All System Alarms
- Common Fault Alarm
- Power ON/OFF status
Lighting Control System
- Full interface with lighting control system. BMS shall receive the status of all occupancy and daylight sensors for all areas.
- BMS shall be capable to control the HVAC system based on the occupancy sensors status received from lighting control system.
- BMS shall be capable of controlling and resetting all rooms thermostats based on occupancy. (Reset temperature value shall be decided by the end user.)
- In addition BMS shall have future provision to control the motorized curtains based on daylight sensors status.
Site Execution Requirements for BMS System
All wiring and tubing shall be properly supported and run in a neat and workmanlike manner.
Wiring and tubing exposed and in equipment rooms shall run parallel to or at right angles to the building structure.
All piping and wiring within enclosures shall be neatly bundled and anchored to prevent obstruction to devices and terminals.
The BMS contractor shall be responsible for all electrical installation required for a fully functional system and not shown on the electrical plans or required by the electrical specifications.
All wiring shall be in accordance to all local and national codes.
Line voltage wiring, all wiring exposed, and all wiring in equipment rooms shall be installed in conduit in accordance to the electrical specifications.
All electronic wiring shall be #18 AWG minimum and shielded if required.
Wiring in the central control room shall be concealed in approved manner.
Building management system contractor shall enter all computer programs and data files into the related computers including all control programs, initial approved parameters and settings, English descriptors, and color graphics complete with dynamic dispersed data.
In addition, the following features, to be user implemented, shall have samples installed by the vendor for training and validation:
- Trend log
- Alarm message (action taking message)
- Run time maintenance message
- Trouble action message
- Dynamic Trend Plot (6 points)
The contractor shall maintain copies of all data file and application software for reload use in the event of a system crash or memory failure.
One copy shall be delivered to the owner during training session, and one copy shall be archived within a local software vault provided by the BMS manufacturer within 15 miles of the OS.
The contractor shall completely check out, calibrate and test all connected hardware and software to insure that the system performs in accordance with the approved specifications and sequences of operation submitted.
Witnessed validation demonstration shall consist of:
Running each specified report
Display and demonstrate each data entry to show site specific customizing capability.
Demonstrate parameter changes.
Step through penetration tree, display all graphics, demonstrate dynamic update and direct access to graphics.
Execute digital and analog commands in graphic mode.
Demonstrate DDC loop precision and stability via trend logs of inputs and outputs (6 loops minimum).
Demonstrate scan, update, and alarm responsiveness.
Demonstrate on-line user guide and help function and mail facility.
Demonstrate digital system configuration graphics with interactive upline and downline load, and demonstrate specified diagnostics.
Demonstrate multitasking by showing dynamic curve plot and graphic construction operating simultaneously via split screen.
Demonstrate class programming with point options of beep duration, beep rate, alarm archiving and color banding.
BMS SYSTEM EQUIPMENT SCHEDULE
| S. NO | DESCRIPTION | MODEL NO | MANFACTURER | ORIGIN |
| 1 | VAV’s & CAV’s COMPLETE WITH SOUND ATTENUATOR & ON/OFF DUCT HEATER | TH-ECO | METALAIRE/JCI | USA |
| 2 | Panel mounted kWh meter CT operated c/w Modbus | AX-KWH-Ci3-M | CROMPTON | UK |
| 3 | 20mm Screwed Cold water meter c/w pulse o/p | AX-WM-MJ-D20 | CROMPTON | UK |
| 4 | 25mm Screwed Cold water meter c/w pulse o/p | AX-WM-MJ-D25 | CROMPTON | UK |
| 5 | 32mm Screwed Cold water meter c/w pulse o/p | AX-WM-MJ-D32 | CROMPTON | UK |
| 6 | 40mm Screwed Cold water meter c/w pulse o/p | AX-WM-MJ-D40 | CROMPTON | UK |
| 7 | 50mm Screwed Cold water meter c/w pulse o/p | AX-WM-MJ-D50 | CROMPTON | UK |
| 8 | 65mm Flanged Cold water meter c/w pulse o/p | AX-WM-WO-D65 | CROMPTON | UK |
| 9 | 32mm Screwed Hot water meter c/w pulse o/p | AX-WM-MJH-D32 | CROMPTON | UK |
| 10 | 40mm Screwed Hot water meter c/w pulse o/p | AX-WM-MJH-D40 | CROMPTON | UK |
| 11 | 50mm Screwed Hot water meter c/w pulse o/p | AX-WM-MJH-D50 | CROMPTON | UK |
| 12 | TEMP AND HUMIDITY SENSOR | HE-67P3-0N00P | Johnson Controls | MEXICO |
| 13 | ADX SOFTWARE | MS-ADX10SQL-0 | Johnson Controls | MEXICO |
| 14 | FEC CONTROLLER | MS-FEC2611-0 | Johnson Controls | MEXICO |
| 15 | IO MODULE | MS-IOM2721-0 | Johnson Controls | MEXICO |
| 16 | NAE CONTROLLER | MS-NAE3510-2 | Johnson Controls | MEXICO |
| 17 | NAE CONTROLLER | MS-NAE4510-2 | Johnson Controls | MEXICO |
| 18 | THERMOSTAT | NS-ATC7002-0 | Johnson Controls | MEXICO |
| 19 | DP SWITCH | P233A-4-AKC | Johnson Controls | MEXICO |
| 20 | TEMP SENSOR WELL | TE-6300W-102 | Johnson Controls | MEXICO |
| 21 | TEMP SENSOR | TE-631AM-2 | Johnson Controls | MEXICO |
| 22 | DUCT TEMP SENSOR | TE-635JM-1 | Johnson Controls | MEXICO |
| 23 | 2 Way, Industrial Grade Butterfly Valves (Class 150 ANSI) with Electric actuator | VFC-080VE-727D4 | Johnson Controls | USA |
| 24 | Cold Water Meter 3-Inch with Pulse o/p . | AX-WM-WO-D80 | CROMPTON | UK |
| 25 | Cold Water Meter 6-Inch with Pulse o/p . | AX-WM-WO-D150 | CROMPTON | UK |
| 26 | Damper Actuator | M9116-GGA-2 | Johnson Controls | MEXICO |
| 27 | Damper Actuator | M9108-AGC-2 | Johnson Controls | MEXICO |
| 28 | DP Switch, Water, 10 to 25 psi, IP65, 1/4″ NPT connections, SPDT | DXW-11-153-2 | Dwyer Instruments | USA |
| 29 | Duct CO2 2000ppm/ No Temp, Universal output for CO2 | CDT-2D40 | Dwyer Instruments | USA |
| 30 | DP Transmitter, Air, 0-10 VDC, 250/500/1250 Pa | MS-311 | Dwyer Instruments | USA |
| 31 | DP Transmitter, Water, 4-20mA, 50 psid (~3.447 Bar) | 629-04-CH-P2-E5-S1 | Dwyer Instruments | USA |
| 32 | EchoSonic II Level Transmitter, 24VDC, 4-20mA, Two Wire, 6.2′),8″ to 7.5m | LU28-01 | Flow Line | USA |
| 2″ NPT Type 6P w/ FOB | ||||
| 33 | Side Mount Bracket, 2″ NPT Bracket, PP | LM50-1001 | Flow Line | USA |
| 34 | Network Zone Sensor | NS-ATA7003-0 | Johnson Controls | MEXICO |
| 35 | Thermostat | NS-AHR7003-0 | Johnson Controls | MEXICO |
| 36 | ESF-35-2 set for 0-8m/sec | ESF-35-2 | Greystone | DENMARK |
| 37 | HP ML350p G8 E5-2620v2 6C 2.10GHz,8GB,2x300GB,P420i/512MB, DVD-RW, 460W | 736982-425 | HP | ASIA |
| 39 | HP 300GB 6G SAS 10K rpm SFF (2.5-inch) SC Enterprise | 652564-B21 | HP | ASIA |
| 40 | HP Z220C ZH3.4 500G 4G Win 7 Pro 64 bit WS , Intel Core i7-3770 3.4 8M HT 4C, 500GB 7200 RPM SATA 6G, 4GB DDR3-1600 nECC (2x2GB), 16X DVDRW, Intel HD 4000, Win 7 Pro 64 bit, USB Laser Scroll | WM463EA | HP | ASIA |
| 41 | HP EliteDisplay 24-Inch LED Backlit IPS Monitor | E4U30AS | HP | ASIA |
| 42 | HP LaserJet Pro 200 color M251n , 14ppm , Network | CF146A | HP | ASIA |
| 43 | SCHNEIDER MAKE DDC ENCLOSURE | FCU PANELS | Schneider | EUROPE |
| 44 | SCHNEIDER MAKE DDC ENCLOSURE | DDC PANELS | Schneider | EUROPE |
| 45 | 32mm Screwed Cold water meter c/w pulse o/p | AX-WM-MJ-D32 | CROMPTON | UK |