Section VI- Technical Specifications BMS Instrumentationdotr.gov.ph/images/Public_Bidding/CivilWorks/Air_Sector/2015/1.048... · Section VI- Technical Specifications BMS Instrumentation

Bicol International Airport Development Project Division 15 - Mechanical Section VI- Technical Specifications BMS Instrumentation

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(1) Internal materials of the transducer suitable for continuous contact with the applicable

media.

(2) Output signal of 420 mA.

(3) Output variation of less than 0.2% full scale for supply voltage variations of 10%.

(4) Combined non-linearity, repeatability and hysteresis effects not to exceed 0.5% of full

scale output over entire range.

(5) Integral, accessible zero and span adjustments.

(6) Operating temperature range of -10 to 50 deg C with 5% to 90% RH non-condensing.

(7) Temperature effect of 1.5% full scale 50 deg. C or less.

(8) over pressure input protection to a minimum of twice maximum working input

pressure.

(9) Output short circuit and open circuit protection.

(10) Dustproof housing.

(11) Shock and vibration protection.

2.3 ELECTRONIC PNEUMATIC TRANSDUCERS

a. Provide current to pneumatic transducers, Instrument Code C2 with the following minimum specifications:

(1) Input range suitable for interfacing to the digital to analog converter output of the DDC

controller.

(2) Directly proportioned output range as appropriate for modulation of the controlled

device.

(3) Output air capacity of 0.27 L/s maximum.

(4) Combined non-linearity repeatability and hysteresis effects not to exceed 2% of span.

(5) Span adjustment of 14 to 140 kPa.

(6) Short circuit protection.

(7) Response time 60 seconds for final stability.

2.4 PRESSURE ELECTRIC SWITCHES

a. Provide SPDT snap acting switch, Instrument: Code C4 rated for 8 amperes at 220V.

b. The pressure range shall be 0 to 130 kPa.

c. Provide adjustable set point from 20.6 to 130 kPa and the differential adjustable between 12.7 and 41.1 kPa.

2.5 MOTOR CONTROL RELAYS

a. Provide motor start/stop control relays, Instrument Type D1 in dustproof housing.


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b. Provide pick up rating and time and hold rating as required for individual applications.

c. Provide motor control relays from one manufacturer.

d. Provide input operating voltage to be compatible with the BMS digital output equipment.

e. Where hand/off/auto (HOA) switches are provided on the MCC, the BMS digital output shall control the motor only in the auto position.

f. Do not override other interlocks providing safety control.

g. Provide shock and vibration protection.

h. Provide required wiring interconnections between the motor control relays and the motor starters.

2.6 CURRENT TRANSFORMERS AND RELAYS

a. Provide current transformers and relays, Instrument Code D2 to indicate motor status.

b. Provide SPDT output relay suitable for sensing by the BMS digital input subsystem.

c. Provide output relay with trip adjustment, field accessible, over 0-100% of range.

Dead band adjustment shall be to, at maximum, 10% of range.

d. Long term setting drift of current transformer and relay combination not to exceed 5% full range/6 months.

e. Provide current transformer and relay with over current and over voltage protection.

f. Operating ambient temperature range of -10 deg C to plus 50 deg C with 5% to 90% RH non-condensing.

2.7 MOTOR STATUS CONTACTS

a. Provide status inputs, Instrument Code D3 for all motors using auxiliary contacts from motor starters where available or from auxiliary relays wired into the motor starter circuit.

2.8 DIFFERENTIAL PRESSURE SWITCHES

a. Select the differential pressure range of the switch, Instrument Code D4 to suit the application.

b. Provide switch with adjustable set point.

c. Provide switch with SPDT contacts rated at 5 amperes at 220V AC.

d. Mount the switch with diaphragm in a vertical plane.

e. Indicate flow for pumps and fans by means of a current sensitive relay which opens an electrical contact as differential pressure falls below pre-adjusted pressure range setting.


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2.9 DAMPER OPERATORS - ELECTRIC

a. Provide dumper operators for all motorized dampers, including those supplied under other sections of this Specification including smoke, combination fire and smoke, factory fabricated air handling units, exhausters, and terminal control units.

b. Select and size electric damper operators. Actuator shall operate on 2-10VDC, 4-20ma DC, 220 volt, or an increase/decrease signal. Provide power to operators from closest source.

c. Securely mount each damper operator on a rigid bracket. Mount each damper operator outside of air stream in a readily accessible location. Damper operators may be installed in walk in type plenums where design minimum mixed air temperature is not less than 2 deg C.

d. Provide electric damper operators and linkage for inlet vane control. Select operators to ensure adequate torque for proper operation.

e. Provide electrically powered damper operators in Emergency Generator Rooms. Connect to the emergency power system.

f. Operators for VPIM fans will be supplied with that equipment.

2.10 MOTORIZED DAMPERS

a. Supply control dampers of the types and sizes required by the systems. For those dampers not supplied under this Section, obtain information which is required to interface with control system from supplier.

b. Supply opposed and parallel blade action dampers. Where design minimum outdoor temperature is -4 deg C or lower, outdoor and relief damper leakage rate shall not exceed 11 cfm/ft5 at 3 inches wg. (96 1/s/m5 at 745Pa) for parallel blade dampers.

c. Supply opposed blade dampers for two position control and parallel blade for mixing control of outside and return air.

d. Damper frames shall be formed channels of not less than 13 gauge galvanized steel or extruded aluminium with mounting holes for enclosed duct mounting.

e. Damper blades shall be of not less than 16 gauge galvanized steel or extruded aluminium. Blades on multi blade dampers shall not exceed 200 mm in width and 1200mm in length.

f. Blade shaft bearings shall be corrosion resistant and constructed of oil impregnated sintered bronze or nylon.

g. Ensure tight seal when dampers are closed. Provide fire retardant synthetic seals on damper blade edges and on the top and bottom. Provide stainless steel jamb seals. Leakage shall be less than 1% of the maximum air flow rate specified for the application. When subjected to 1000Pa differential pressure except as specified elsewhere.

h. Provide dampers suitable for operation within the temperature range of -26.1 deg C to 93.3 deg C.


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i. Provide corrosion resistant zinc plated steel and brass blade linkage hardware. Secure blades to zinc plated shafts with zinc plated bolts and nuts.

j. Prepare and submit for review, detailed Shop Drawings of motorized damper assembles showing modular arrangement of dampers, operators and structural framing.

2.11 DAMPER STATUS SWITCH

a. Provide magnetic reed switch type damper status switches activated by damper blade. Mount securely on damper frames. Instrument Code C6.

b. Provide SPDT switches with contract rating of not less than 5 amperes at 220V AC.

2.12 FILTER GAUGES

a. Filter gauges are provided by Division 15.

2.13 LEVEL SWITCHES

a. Float type, tank mounted SPDT switch action, suitable for water up to 100 deg C.

b. Float type, pit mounted SPDT switch action, suitable for water up to 100 deg C. Instrument Code D6.

2.14 LEVEL SENSOR

a. Capacitive level sensor, equal to MAgnatrol, complete with sensor rods, water tight enclosure, continuous 2-10V or 4-20 mA output. Instrument Code D7.

2.15 GAS DETECTORS

a. Provide detectors suitable for carbon monoxide, carbon dioxide, and refrigerant and ammonia detection. Instrument Code K6.

b. Provide electronic detectors, with scale range and set points suitable for the gas being detected and in compliance with legislation for hazardous gasses.

c. Provide digital or continuous 2-10 VDC or 4-20mA input to BMS as appropriate for detection and control.

2.16 INTERFACE CONTACTS AND CONTROL

a. Snap acting switch, rated for 5 amps at 220 VAC, or digital input. Instrument Code F1 to F3.

b. ensure contacts and signal are compatible with BMS and other systems being interfaced.


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c. Provide 2-10 VDC or 4-20 mA output from BMS to variable speed drives or air flow volume control devices. Instrument Code C7.

d. Provide pulse totalizing and conversion from building power meters. Instrument Code C8.

(1) Power meter consists of CT’s and PT’s. Provide accuracy equal to that of the utility

meter.

(2) Provide time based measurement with intervals of, at minimum 1 minute, for power

demand control.

PART 3 – EXECUTION

3.1 INSTALLATION

a. Meet applicable codes, each manufacturer’s recommended installation procedures and Division 16 requirements.

b. Install all equipment so as to be mechanically stable and allow easy access. Fix as necessary to wall or floor. Provide anti-vibration mounting where required to properly isolate the equipment.

c. Install all equipment in locations providing adequate ambient conditions for its specified functioning, allowing for adequate ventilation.

d. Provide complete shop drawings for review.

e. Review proposed location of any equipment with Owner prior to its installation.

f. Where the point schedules indicate auxiliary contact provision, provide all instrumentation, wiring, conduit, power supplies and services as required to integrate these points into the BMS.

g. Provide interposing and motor control relays at the local item of equipment or at the associated MCC as applicable. Provide all relays, wiring, conduit, power supplies and services as required to integrate these points into the BMS.

h. Wire all equipment which is part of the same control loop to the same field panel.

3.2 IDENTIFICATION

a. Provide for each piece of instrumentation and end device, a 50 mm x 75 mm plastic nameplate embossed to indicate the following:

(1) Mnemonic for point

(2) Remote field panel and termination

(3) English language description

(4) Field panel


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3.3 WIRING

a. Provide all wiring required for Instrumentation. Install in IMC conduit, and otherwise comply with Division 16 requirements. Approved plenum cable wire may be used where allowed by code.

b. Provide power wiring from nearest emergency powered panel to each field device as required.

c. Provide necessary relays required to interconnect equipment.

d. Install wiring parallel and perpendicular to building planes.

3.4 FACTORY BUILT EQUIPMENT

a. Factory built equipment such as roof top air conditioners, make up air units. VAV terminals, water source heat pumps, etc., require control devices supplied by this Section, refer to individual Specification Sections for exact requirements.

b. Provide all required components to completely interface with the BMS, including relays, actuators, thermostats, terminal control units and other devices to make a complete and operational system.

c. Install thermostats and control wiring for equipment where thermostats are factory supplied.

3.5 WARNING NOTICES

a. Place warning notices at the MCC Panel, local starter and on or close to all motors under BMS control.

b. Make the notices conspicuous with bold lettering to advise that the motor is under BMS control and may start at any time without warning. Submit sample notice for review prior to installation.


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3.6 LEVELS OF BMS PERFORMANCE TESTING

L

Fig.4.3.3.2.2 – Levels of BMS Performance Testing

(ii) Preliminary check

All major components are installed in accordance with the drawings.

(iii) Electrical Supply & Batteries

To check for correct power supply to the CCMS

(iv) Visual/Physical inspection

The contractor shall submit a checklist but not limited to the following for visual checking:

1. BMS wiring;

Level 3 –

Building Zone

Test: Zones Building

Test: Temperature Humidity Light Carbon dioxide Ventilation rate Energy consumption

Level 3 –

Building Zone



Level 3 –

Building Zone



Level 3 –

Building Zone



Level 2 –

Sub-system and

Test: Chillers Air handling units Any systems/equipment Specified in the Contract

Test: Systems response to Inputs Control loops Sequencing

Level 1 –

Component

Test:

Analogue inputs

Temperature sensors

Humidity sensors

Pressure sensors

Voltage

Current

Flowrate

Digital inputs

Relays

Switches

Analogue outputs

Actuators

Digital Outputs

Relays

Test for:

Accuracy Operation Alarms Address


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N

Y

Y

Y

Y

Y

Y

Y

Y

Y

Y

N

N

N

N

N

N

Y

N N

N

N

START

Is there a feedback

signal for the DO?

Does the feedback

signal give correct

indication?

All

completed?

END

Is there an input to

monitor the effect of

the DO?

Does this input give

correct indication of

the operation of

DO?

Does a visual

check indicate

correct operation

of DO?

Next DO

Set switch to

auto

Is CCMS DO relay

operating? Is CCMS hand/off/auto

on auto?

Is DO overridden?

Check reason

for overridden

Delete

override if not

required

Is controller relay

operating?

Check device

under control

Check

controller

Rectify fault

Is DO

interlocked?

Check strategy

configuration

Check reason

for interlock

Delete if not

required

Repeat test

Fig.2 Digital output (DO) checking flow chart


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N

N

N

N

N

N

N

N

N

N

N

N

Y

Y

Y

Y

Y

Y Y

Y

Y Y

Y

Fig. 3 Analogue output (AO) Checking flow chart

START

Is there a feedback

signal for the AO?

Does the feedback

signal give correct

indication?

All

completed?

END

Is there an input to

monitor the effect of

the AO?

Does this input give

correct indication of

the operation of AO?

Does a visual check

indicate correct

operation of AO?

Next AO

Is CCMS AO indicator

lamp show correct

operation of AO?

Is CCMS

hand/off/auto on

auto?

Repeat

test

Check why

not on auto Set switch

to auto

Set switch

to auto

Is device

hand/off/auto

on auto?

Is controlled device ON

i.e. power supply?

Relay operating?

Is AO

overridden?

Check

reason for

override

Is AO

interlocked?

Check

reason for

interlock

Delete if not

required

Check

strategy

configuratio

n


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Y

Y

Y

Y

Y

Y

N

N

N

N

N

Fig.4 Alarm checking flow chart

Put power on

to device

Check device

under control

Delete

override if not

required

START

Alarm levels,

dead bands, time

delays as

specified?

Set correct levels,

dead bands, delays

Check consequences of

forcing an alarm

Is it safe to force

an alarm?

Adjust alarm level to

force alarm

Is alarm message

category destination

correct?


force alarm


force alarm


force alarm

Is it safe to force

an alarm?

END

Is alarm

enabled?

Enable alarm

Set correct alarm

message destination etc.


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N

N

N

N

N

Y

Y

Y

Y

Y

Fig.5 Control loop checking flow chart

START

Set up log for control

variable

Check control loop

stability

Is response

steady?

Alter set point

Log change in controlled

variable over time

Is finally steady

state response

similar to set

point?

Is response

steady?

Complete checklist

Next loop

Tune loop setting gain

integral & derivative values

Repeat test

Is control plant

operating

efficiently?

Log change in controlled

variable over time

Repeat test

Repair

plant

All completed?

steady?

END

Tune loop


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List of Calibrated Instrument Necessary for the T & C works

Note: * Delete if not applicable

Type Model Serial No. of Instrument

Date of Calibration


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Tested / Checked by : (Name of contractor’s Representative)

Signature – ( )

Post:

Witnessed by: (Name(s) of *PBSE/PBSI)

Signature – ( )

Tel. No.:

Date :

Post:

Tel. No.:

Date :

******

Post:

Tel. No.:

Date :

Post:

Tel. No.:

Date :

Bicol International Airport Development Project Division 15 - Mechanical Section VI- Technical Specifications BMS Inspection and Acceptance Testing

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SECTION 15973 - BMS INSPECTION AND ACCEPTANCE TESTING

PART 1- GENERAL

1.1 WORK INCLUDED

a. Comply with Division 1, General Requirements and all documents referred to therein.

b. Provide all labor, materials, products, equipment and services to demonstrate to the Owner and the Consultant, which the equipment, networks, installations, programs and services supplied, installed and tested under this Contract meet the requirements of the Contract Documents in all respects.

c. Engineer in-charge supervising the work shall be a duly Registered Electronics Engineer as required by R.A. 9292 and revised National Building Code or as Registered Professional Mechanical Engineer experienced in BMS for HVAC System Application (R.A.8495).

1.2 SPECIAL TESTING AND USE OF EQUIPMENT PRIOR TO ACCEPTANCE TESTING

a. The Owner/Consultant reserves the right to use any piece of equipment, device or material installed under this Contract for such reasonable lengths of time and at such times as they may require to make complete and thorough tests of same before undertaking the final acceptance testing. Do not construe such tests as evidence of acceptance of any part of the contract. No claim for damage will be made by the Contractor for any injury or breakage to any parts of the above due to the aforementioned tests where caused by weakness or inaccuracy of the parts or by defective materials or workmanship of any kind whatsoever.

b. Conduct such operation following prior agreement between the Owner/Consultant and the Contractor as to the format and scheduling of the tests.

c. Arrange work to enable the Owner to change over local air handler control systems to the new system for extended operating periods to ensure proper functioning of software and hardware.

d. Do not withhold consent to the execution of such operation when reasonably requested by the Owner/Consultant.

e. Make BMS available for the use of the Owner once the individual work items are such that they can be used for their intended function(s) as detailed herein.

f. The warranty period shall not commence until the Owner’s Certificate of substantial Completion is issued.

g. The Owner and/or Consultant reserve the right to defer acceptance testing on any item until all work included in this Contract has been completed by the Contractor or can be fully tested.

h. Draft documentation must be provided before acceptance testing will emmence.

PART 2- PRODUCTS

2.1 TEST PROVISIONS

a. Provide all equipment, software, consumable items, personnel and facilities as required to reasonably execute any factory or site acceptance tests, including any signal simulation equipment.


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2.2 DOCUMENTATION

a. Submit preliminary as-built drawings and documentation at least 4 weeks prior to the commencement of final acceptance testing. The intent is that this documentation may be used by the Owner and Consultant during the execution of the final acceptance testing.

b. Submit data relevant to point index, functions, limits, sequences, interlocks, software routines and associated parameters and other pertinent information for the operating system and data base.

c. Submit point log sheets to the Consultant at least 4 weeks prior to the test. Submit sample point log sheets for Consultant review prior to completion and final data entry.

d. Submit for acceptance by the Consultant, a total demonstration test plan before commencement of each test/ inspection. All hardware and software system components and all other work items shall be fully tested/inspected during the demonstration.

PART 3 – EXECUTION

3.1 SITE ACCEPTANCE TESTING

a. Perform a complete demonstration of the BMS real-time responsibilities of surveillance and command prior to online operation.

b. Advise the Consultant and Owner, in writing, at least 2 weeks in advance of readiness to perform tests.

c. Note deficiencies and correct before starting and continuing tests. Perform calibration and operational checks prior to the commencement of final acceptance testing for all relevant system parts.

d. Perform final acceptance testing all the following defined levels:

(1) per points basis

(2) per system basis

(3) Software functions and packages basis

(4) per building basis

(5) Total BMS basis

e. Make available on site for the duration of these tests, all installation, engineering, software, system and personnel, required to enable test completion.

f. Demonstrate the specified performance of the BMS software and hardware, at all levels from individual end devices through to total system operation and the proper operation/undertaking of all other items of work performed under this Contract.

g. Specifically orient acceptance test procedures to demonstrate the satisfactory operation of aspects of the operator interface terminals.

h. Perform a complete and detailed calibration and operational check for each individual BMS point and control function contained within the supplied system. Check to ensure that all equipment, software, network elements, modules and circuits provided are functioning to meet the Specification and record on log sheets.


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i. Repeat acceptance testing until acceptable performance has been established.

3.2 FACTORY TESTING

a. Factory testing of hardware or software shall not replace, in whole or in part, site acceptance testing as detailed in this Section.

b. Submit for Consultant review, proposed format of factory tests.

PART 4 – PRE- START –UP / PRE – COMMISIONING CHECKS (BMS)

It is important for a testing and commissioning to have a pre-start check or a pre-commissioning

check, to lessen errors and faults. This is done by the BMS Engineering before the functional test.

4.1 PRE-START CHECKS

4.1.1 Filled up all necessary Safety requirement forms.

4.1.2 Complete all the tools and equipments below necessary to do the testing and commissioning:

a. Tester / Volt-Ohm Meter

b. Pliers, Long Nose, and Wire Cutter

c. Flat and Philips Screw Driver

d. Radio (Walkie-Talkie)

e. Ladder

4.1.3 To proceed in a BMS testing and commissioning, work permit is needed when working in a

closed area or in a shaft.

4.1.4 All approved relevant BMS data gathering panel design and BMS shop drawings like single-

line diagram, NAE riser, database and floor plan to locate the device.

4.1.5 BMS testing and commissioning checklists of the field devices

4.1.6 Verify that all interfacing / integration requirements are installed & tested in either cases

whether it is hardwired or high level thru communication.

4.2 Pre-Commissioning Checks

4.2.1 Visual inspection to ensure that all equipment are installed as per drawings and

specifications, and complies with all relevant codes and practices.

4.2.2 Checking of Riser Cable

a. Continuity Test

b. Tagging / Labelling at both ends

c. Proper termination to the cabinet

4.2.3 Checking of Wire for Communication Bus

a. Continuity Test




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4.2.4 Checking of Wire for Field Controller Bus

a. Continuity Test



4.2.5 Checking of Horizontal Wire

a. Continuity Test

b. Tagging / Labelling at both ends or devices

c. Proper termination to the BMS Cabinet

d. Proper designation of cables to the devices

4.2.6 Point to point checking/ inspection of DDC panel if properly/ correctly installed.

PART 5 - TESTING PROCEDURES

There’s a lot of testing procedure for Building Management System. All items should be considered

for testing, to ensure functionality of the system.

5.1 TOOLS / EQUIPMENTS

Testing devices for the BMS is used to test all the equipments, devices and cables in the

system. Such testing devices are listed below:

5.1.1 Tester/ Volt-Ohm Meter

Tester is used to test the line connection of wires. It is also used for continuity testing, to

determine if the line is shorted or has an open connection.

5.1.2 Pliers, Long Nose, and Wire Cutter

The pliers, long nose and wire cutters are use to fix the connectivity of the wires to different

wires and to the device and/or equipment.

5.1.3 Flat and Philips screw driver

Set of screw drivers are necessary to connect the cires and cables to the device and / or

equipment.

5.1.4 Radio (Walkie-Talkie)

Walkie Talkies are used by the commissioning agents to communicate during testing

especially when the engineers are in the room where the BMS Cabinet is located and the

technicians are in the field devices.

5.1.5 Ladder

Ladder is used by commissioning agents or helper to check the devices installed on ceiling or

highly elevated devices.


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5.2 WIRE TESTING

5.2.1 Riser Wiring

a. The TF wires will be from the Network Automation Engine to the topmost level of the

building passing through the pull boxes in every floor/ level where the termination of

horizontal wires takes place.

b. The TF wires will then be tested using a continuity tester (an LED and sounder tester)

or a VOM (Volt/ Ohm Meter Tester). This is the initial test that is being performed to

see to it that the cables are not shorted or grounded. This will facilitate the

commissioning engineers a better and faster commissioning of the Building

Management System. It is very important to tag the “IN” and “out” cables since this is

very important during commissioning.

5.3 BMS CABINET TESTING

Termination of wires with the Addressable Network Automation Engine and Direct Digital

Controllers will be done by engineer at the same time designed the program for the Building

Management System. It will be easier if the one who made the program will also be the one

to terminate from the cabinet to avoid such errors because the termination depends from the

downloaded program. Termination at the BMS Cabinet is as simple as the termination of

building management devices to the appropriate groupings of cabinet.

5.3.1 Power Testing

All FEC, IOM, and NAE’s are 24VAC supplied. A step-down transformer (230VAC to 24VAC)

is installed in every DDC / NAE panel to supply a 24VAC to the controllers. Before switching

on the power the following are conducted to ensure power safety.

a. Make sure that power is stable and functional

b. Use a multimeter to check the main power (220VAC-230VAC)

c. Check the step-down power in the transformer (24VAC) using multimeter

5.4 BUILDING MANAGEMENT SYSTEM SERVER

Termination of wires and networking of the Building Management System Server will be done

by engineer at the same time designed the program for the Building Management System.

And it will be easier if the one who made the program will also be the one to terminate from

the cabinet to avoid such errors because the termination depends from the downloaded

program. The Building Management System Engineer should be assisted by the Network

Administration of the Sub-Contractor for the Networking requirements.

5.4.1 Graphics Testing

The field device and exact location of the field device on testing should automatically be

shown on the monitor of server. The address and location name of the controllers and

devices on testing should be indicated on the screen while its icon is blinking.

5.4.2 Database Recording

The alarm generated on the BMS Cabinet will be automatically recorded on the database of

the Building Management System Server.


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5.5 BUILDING MANAGEMENT SYSTEM CLIENT WORKSTATION

Termination of wires and networking of the Building Management System Client Workstation

will be done by engineer at the same time designed the program for the building Management

System. And it will be easier if the one who made the program will also be the one to

terminate from the cabinet to avoid such errors because the termination depends from the

downloaded program. The Building Management System Engineer should be assisted by the

Network Administration of the Sub-Contractor for the Networking requirements.

5.5.1 The field device and exact location of the field device on testing should automatically be

shown on the monitor of server. The address and location name of the controllers and

devices on testing should be indicated on the screen while its icon is blinking.

5.6 PROGRAMMING OF THE SYSTEM

The system programming will be done by the systems engineer knowledgeable and in-charge

on Building Management Systems. On this method, the Systems Engineer will make a

program of the whole system by configuring all the devices and addresses that will operate

depending on the design and specification requirements. The NAE Program via RJ45 will do

this thru PC. The programming and configuration will be in conjunction with the Building

Management Device Location and Address.

5.7 FIELD CONTROLLER TESTING

After all the devices are installed and connected to the controllers, including the configuration

and programming since our controllers is an addressable Direct Digital Controller, the system

is ready for testing. During testing and commissioning, proper testing of each of the devices

will be implemented as follows:

5.2.1 Binary Input

a. Choose one point.

b. If the point is operational (ex: auto/ manual switch that can be rotated) then physically

alternate its state from the field.

c. Check on the workstation monitor if any value is alternating state.

d. If yes, check that the software name of this software point coincides with the field

point we are testing.

e. If the point indication is impossible to change, it can be simulated manually (this is

done in general for all faults and alarms) and the same steps ( 3 & 4 ) are continued.

f. If the point is not operational, simulate a binary switch at the unit and label ‘Not

Operational”.

5.2.2 Binary Output

a. Verify proper interfacing device is installed. (e.g. Relay)

b. With power OFF at controlled devices, ensure the interfacing device responds to a

Software / Manual command.


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5.2.3 Analogue Input

a. Measure the actual input variable.

b. Check the value read on the commissioning tool, and verify that it corresponds to the measured one.

c. Check that the unit on the commissioning software point is matching the parameter

we are checking.

d. Check that the input we are reading has a logical sense and does not fall out of common sense range.

5.2.4 Analogue Output

a. Check that the unit on the commissioning software point is matching the parameter

we are checking.

b. Send multiple different outputs.

c. Verify that the connected device is physically responding according to each output

sent.

d. Calibrate the device if needed (in our case all valves, tested and calibrated prior to they use on site).

e. If the connected device has a feedback, then check that the feedback of the device corresponds with the output sent.

5.2.5 Duct Temperature Sensor

a. Make sure that the sensor is installed, check installed on the checklist.

b. Verify the sensor reading, by comparing the temperature read on the fronted tool and the resistance measured on the terminal block by the voltmeter. Use the table below (Figure-2: nominal temperature vs. resistance) to check the matching.


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2.2k 10k

-50 -46 674.00 821.00 109,905.00 489,981.00

-40 -40 699.00 843.00 75,487.00 366,185.00

-30 -34 725.00 865.00 52,584.00 233,990.00

-20 -29 752.00 887.00 37,123.00 1,665,085.00

-10 -23 777.00 908.00 26,544.00 117,978.00

0 -18 803.00 930.00 19,210.00 85,349.00

10 -12 830.00 952.00 14,063.00 62,464.00

20 -7 858.00 974.00 10,408.00 46,221.00

30 -1 885.00 996.00 7,783.00 34,562.00

40 4 914.00 1,017.00 5,879.00 26,103.00

50 10 942.00 1,039.00 4,482.00 19,903.00

60 16 971.00 1,061.00 3,449.00 15,313.00

70 21 1,000.00 1,082.00 2,676.00 11,883.00

80 27 1,030.00 1,104.00 2,049.00 9,298.00

90 32 1,060.00 1,125.00 1,651.00 7,333.00

100 38 1,090.00 1,147.00 1,312.00 5,872.00

110 43 1,121.00 1,168.00 1,050.00 4,663.00

120 49 1,152.00 1,190.00 846.00 3,757.00

130 54 1,184.00 1,211.00 686.00 3,048.00

140 60 1,216.00 1,232.00 560.00 2,488.00

150 66 1,248.00 1,254.00 460.00 2,043.00

160 71 1,281.00 1,275.00 380.00 1,687.00

170 77 1,314.00 1,296.00 315.00 1,401.00

180 82 1,348.00 1,317.00 263.00 1,170.00

190 88 1,382.00 1,339.00 221.00 982.00

200 93 1,417.00 1,360.00 186.00 828.00

210 99 1,452.00 1,381.00 158.00 701.00

220 104 1,487.00 1,402.00 134.00 597.00

Temperature

Thermistor

Resistance (ohms)

°F °C Ni Pt*

Table 7. Nominal Temperature vs. Resistance

5.2.6 Differential Pressure Switch

a. Make sure that the sensor is installed, check installed on the checklist. \

b. With the relevant fan running adjust the pressure set point of the differential pressure switch until the contacts close. Turn off the fan and check the contacts have opened.

c. Cycle the differential pressure switch two and three times by operating the fan on and off and each time check the switch contacts have opened and closed appropriately.

5.2.7 Dirty Filter Alarm



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b. Set the differential pressure switch to the setting given by the customer for “filter dirty” condition. Check that switching occurs at the set differential pressure (between 10 to 30% of the scale range).

c. Recalibrate if necessary.

5.2.8 Damper Control ( Open / Close Control )


b. Check the Actuator and Damper are correctly assembled.

c. Set damper end switch positions and verify operation.

5.2.9 Carbon Monoxide Sensor


b. Test each CO Detector for Proper Function.

c. To confirm that a digital readout CO detector is detecting carbon monoxide, test it with a substance that will detect low levels of the gas, such as a lit cigarette or a lit incense wand. As you move the cigarette or wand within 8 inches of the CO detector, the digital display should change to register the presence of carbon monoxide.

5.2.10 Duct Smoke Alarm Sensor

a. The built-in test feature, i.e., the test magnet, test switch, etc., should be performed. These features are designed to meet the intent of the NFPA and Underwriters Laboratories functional test requirements, to electronically or mechanically simulate gray smoke, not to exceed 6%/ft. obscuration. This will assure the detector is operable and will respond to minimum smoke requirements.

b. When attempting to verify that the detector will respond to smoke in the duct airflow, the pressure differential should be measured across the sampling tubes (exhaust & intake) using a manometer.

c. Next, apply smoke directly to the detector head to initiate an alarm. The sampling and exhaust tubes may need to be blocked off for this test and then reopened afterwards.

5.3 PROGRAMMING TESTING

Programming for Building Management System of Globe Telecom Headquarters includes programming of DDC and programming of front end equipment. The following items should be observed before we can commission the programs.

a. Make sure that all DDC’s and NAE’s are all power up.

b. All listed on the pre-commission checklist should be inspected and done (refer to 4.2

Pre-Commissioning Check).

c. In the workstation, log-in username and password (see Figure 7).

d. A certain DDC accumulate the CAF file name of the program.

e. Point to point checking of points list per floor shall be conducted, to make sure that there is no single point was missed.

f. In the main page of the graphics user interface, tests click all command buttons, to check if all buttons will respond to its correct description.


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g. All items should be recorded in the program testing form, (see Appendix 5).

PART 6 - SEQUENCE OF OPERATION

Sequence of operation listed below are all based on the specification and construction bulletin issued

by the consultant / designer.

6.1 AIR HANDLING UNIT

a. In automode, system is energized by local control (DDC).

b. In manual mode, each equipment is started or stopped manually

c. When airflow is established as sensed by Air Flow Switch, control system is

activated.

d. Supply air temp. Sensor shall modulate the chilled water control valve CV-1 in proportion to the cooling demand. The control valve shall be closed when AHU operation is stopped.

e. CO2 transmitter installed on the return duct shall modulate the motorized damper MD to meet the desired CO2 concentration level.

f. Smoke detector SD in AHU shall de-energize system and provide signal to fire alarm panel upon sensing products of combustion.

VAV control thru duct static pressure sensor Variable Air Volume

(1) (VAV) terminals throttle to maintain the desired room temperature based on the resulting increase in duct static pressure as sensed by Static Pressure Sensor (SPS), the vsd slows down the AHU fan to maintain the desired static pressure setting. Upon increase in demand for cooling, the VAV terminals modulates to open position, thereby decreasing the duct static pressure and causes the VSD to speed up the AHU fan.

(2) The AHU motor speed shall be modulated by the DDC thru the VSD to

maintain the duct static pressure, as measured by the static pressure sensor at the supply air duct, at a pre-defined set point, whenever the VSD is in the “auto” mode. The duct static pressure set point is user adjustable from 250-750 Pa (1-3 inches of water).

(3) The DDC shall set the speed to 40% when the AHU status is “off” as

indicated by the status contact from the VSD of the AHU motor.

6.2 VARIABLE AIR VOLUME

a. Temperature sensor T senses room temperature in individual spaces from no cooling to full cooling and send signal to DDC.

(1) The programmed set point temperature shall command VAV motorized damper to modulate to maintain temperature set point within the space.

(2) When switch button located adjacent to VAV box is pushed, DDC control set point shall be overriden. The slider control shall act as a manual set point which will control VAV damper position.

(3) After a pre-determined time of two (2) hours, the DDC set point shall override the manual setting and shall govern the operation of the VAV damper.


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6.3 JET FAN

1. In the event the Carbon Monoxide (CO) sensor detect a concentration of 50ppm at any sample point in any of the Car Park Zone Area, the corresponding main extract and supply fan will operate and run at normal speed.

2. Simultaneously, the corresponding group of Jet Fans in the detected zone will be actuated at low speed to dilute the “CO” concentration and push them toward the extract point.

3. Once the “CO” sensor detect the concentration is reduced to about 20ppm, the above main fans and Jet Fans will shut down.

4. In periods when the underground car park area temperature rises to about 35°C, the temperature sensor will signal the main supply and extract fan to run simultaneously at a specified low speed. When the surrounding temperature is decreased to about 28°C, the temperature sensor will signal the main fans to shut down.

5. The main extract and supply fan shall be Variable Speed Drive whereas the jet fan shall be two (2) speeds. Activation of these fans shall be in conjunction with the zoned “CO” sensors and temperature sensors.

ON FIRE MODE (FIRE CONDITION):

(i) In the event of fire detection thru Heat Detectors and after a pre-set stand still escape period, the Jet Fans in the fire area / level will be activated and will run at full speed to quickly and effectively clear the smoke. Simultaneously, the Jet Fans in all other levels will be switched off.

(ii) The main supply and extract fans will simultaneously switch into smoke and extract mode immediately.

(iii) All fans activated in the smoke extract zones will automatically run in the pre-set fan high speed and direction of extraction points.

(iv) The smoke purging will continue until such time the fire marshal declared that the parking area on fire is already smoke-free.

(v) Visual and audible alarm mode shall be indicated in the BMS and the car park ventilation / smoke extract control panel. Mute switch shall be provided to silence the alarm.

(vi) After the emergency condition is over, the system shall be restored to normal mode thru a “System Store” switch.

6.4 STAIRWELL PRESSURIZATION FAN

a. Upon receiving a fire signal, SPF shall automatically run.

b. The Variable Speed Fan shall maintain a pressure differential of 25-50 Pa between the stairway and the adjacent corridor. This differential pressure shall be monitored in the BMS thru the differential pressure transmitter DPT.

c. Smoke detector in PAU shall de-energize system and provide signal to Fire Alarm Panel upon sensing products of combustion.

6.5 KITCHEN EXHAUST FAN

a. Fan is started and stopped manually or on a time schedule through the DDC

b. Control system shall monitor fan on-off status and fan motor Alarm / Trip Status. KEF is interlocked with KSF


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6.6 PAHU, CO2 SENSOR, VARIABLE REFRIGERANT VOLUME

a. In auto mode, system is monitored and controlled by DDC.

b. In manual mode, PAHU is started or stopped manually.

c. When airflow is established as sensed by Air Flow Switch (AFS), the control system is activated.

d. The pre-cooled supply air temperature sensor set at 23°C shall modulate the chilled water control valve (say CV-1). The control valve CV-1 shall be closed when PAHU operation is stopped.

e. The CO2 transmitter installed on the return air duct of the AHU shall modulate the motorized damper (MD) installed on the AHU’s fresh air duct from PAHU to meet the desired CO2 concentration level in the office area.

f. The VFD will control the fan speed of the PAHU based on the resulting increase / decrease in duct static pressure as sensed by the static pressure sensor (SPS) / transmitter mounted on a point 2/3 of the length of the main PAHU supply air duct.

g. Upon increase (or decrease) in demand for fresh air as signalled by the CO2 transmitter, the MD modulates to open (or closed) position thereby decreasing (or increasing) the duct static pressure and causes the VFD to speed up (or slow down) the PAHU fan.

h. The Smoke Detector (SD) installed in AHU return air duct shall de-energize the system and provide signal to the fire alarm panel upon sensing products of combustion.

6.7 FUEL PUMP AND TANK

a. FP-01 served as main pump while FP-02 shall be the stand-by unit. Switching from duty to stand-by shall be automatic.

b. When the motor controller is in the auto mode, the pump shall start automatically when the low level switch is activated. The pump shall automatically stop when the high level switch is activated.

c. When the motor controller is in the manual mode, pumps can be manually started or stopped.

d. FP shall not start when fuel at storage tank is very low or the level is below the suction line.

e. Provide electronic tank gauge and leak detection system to be interfaced with BMS panel.

6.8 SMOKE EXTRACTION (SEF, GEF, MUAF, AHU)

a. NORMAL MODE

(1) The system shall be provided with Manual-Off Auto (H-0-A) selector switch.

In the manual mode, each individual component can be operated manually

while automatic operation is disabled. In system off mode, neither manual nor

automatic operation is possible.

(2) In the auto mode, the system is started or stopped remotely thru the BMS or

the local motor control panel at the AHU room.

(3) Upon start of the AHU, the pre-cooled air unit (PAU) and general exhaust fan

(GEF) runs simultaneously, the ac control system is energized. The PAU

automatic dampers AD-1, AD-2, AD-6 and AD-9 opens.


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(4) The PAU and AHU chilled water control valve opens and modulates in

response to discharge air temperature as sensed by the room thermostat.

(5) Pre-cooled air is supplied to the AHU as make-up air for the ventilation

requirement to the office floor.

(6) Variable Speed Drive (VSD) varies the PAU fan speed in response to the

Carbon Dioxide (CO2) level as sensed by the CO2 sensor located in the

return duct of the AHU.

b. SMOKE EXTRACTION MODE

(1) On fire mode as sensed by the AHU return duct smoke detector, the AHU fan

motor in the office on fire will shut down automatically.

(2) Upon system stop, the PAU and GEF shall stop, de-energized and shall

automatically close the normally open automatic dampers AD-1, AD-2, AD-6

and AD-9.

(3) After fire sprinkler activation mode and smoke within the floor on fire were

sensed, the Smoke Exhaust Fan (SEF) and Make-up Air Fan (MUAF) will run

to purge the smoke. Simultaneously, the normally close dampers AD-3, AD-

4, AD-7 and AD-8 will automatically open.

(4) The smoke purging will continue until such time the fire marshall declared

that the floor is already smoke free.

(5) Visual and audible alarm mode shall ne indicated in the BMS and the MCP at

the FCC and AHU room. Mute switch shall be provided to silence the alarm.

(6) After the emergency condition is over, the system shall be restored to normal

mode thru a “system restore” switch.

PART 7 - MATERIALS USED

To completely accomplish a testing and commissioning procedure, some materials or tools should be

used. These materials are:

7.1 Digital Multimeter

7.2 Screwdriver Set

7.3 Pliers

7.4 Wire Stripper

7.5 Tagging Tape & Marker

7.6 Walkie-Talkie Radio

*******

Bicol International Airport Development Project Division 15 – Mechanical Section VI- Technical Specifications Testing and Balancing Air and Water Systems

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SECTION 15996 - TESTING AND BALANCING AIR AND WATER SYSTEMS PART 1 - GENERAL 1.1 GENERAL REQUIREMENTS The provisions of Section 15011, "Mechanical General Requirements", apply to this section. 1.1.1 Definitions

a. Adjust: To regulate the specified fluid flow rate and air patterns at the terminal equipment, (e.g., reduce fan speed, throttling, etc.).

b. Balance: To proportion flows within the distribution system (sub mains, branches and

terminals) in accordance with specified design quantities. c. Procedure: Standardize approach and execution of sequence of work operations to

yield reproducible results. d. Report Forms: Test data sheets arranged for collection of test data in logical order for

submission and review. This data should also form the permanent record which shall be used as the basis for any future testing, adjusting, and balancing required.

e. Test: To determine quantities performance of equipment.

1.1.2 Submittals Submit the following:

a. Standards Compliance Testing Agency Testing Agency Personnel Professional Engineers Instrument Calibration b. Schedules Testing Agenda 1.2 TESTING AND BALANCING AGENCY 1.2.1 Air and Water Systems Testing and Balancing

Upon completion of the installation and field testing, performance test and adjust the supply, return, make-up, and exhaust air systems, and chilled, water systems to provide the air volume and water flow quantities indicated. Accomplish all work in accordance with the agenda and procedures specified under AABC 71679 and standards of the NEBB. Correct air and water system performance deficiencies disclosed by the test before balancing the systems. TAB contractor to submit checklist/ report to the Project Management Consultant before balancing the air and water systems.

1.2.2 Agency Qualifications

The Contractor, as part of this contract, shall obtain the services of a qualified testing organization to perform the testing and balancing work as herein specified. Prior to commencing work under this section of the specifications, the testing organization shall submit the TAB Organization Chart showing that a registered PME-Professional Mechanical Engineer is included to supervised and prepare the system performance report during TAB Activity and


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Final TAB report prior to System Final Commissioning. The TAB Contractor shall report directly to the Project Management Consultant of the progress and quality of the TAB activity and final T & C – Testing and Commissioning.

1.3 AGENDA 1.3.1 Preliminary Report

Review plans and specifications prior to installation of any of the affected system. Submit a written report to the Engineer indicating any deficiencies in the system that would preclude the proper adjusting, balancing, and testing of the systems.

1.3.2 Submittal

An agenda shall be submitted and approved by the Engineer prior to start of testing and balancing work. Include the following:

a. General description of each air and water system with its associated equipment, and

operation cycles for cooling and heating. b. A complete listing of all air and water flow and air terminal measurements to be

performed. c. Specific test procedures and parameters for determining specified quantities; e.g., flow

drafts, etc., from the actual field measurements to establish compliance with contract requirements.

d. Samples of forms showing applications of procedures and calculations to typical

systems. 1.3.3 Procedure Reporting

Provide specific test procedures for measuring air quantities at terminals. Specify type of instrument to be used, method of instrument application (by sketch), and factors for:

a. Air terminal configuration

b. Flow direction (supply or exhaust)

c. Velocity corrections

d. Effective area applicable to each size and type of air terminal

1.3.4 Area and Application Factors Will not be required where pivot tubes are employed to determine terminal capacity. 1.4 PROCEDURES, GENERAL 1.4.1 Requirements

Adjust systems and components thereof that perform as required by drawings and specifications.

1.4.2 Test Duration

Operating tests of cooling coils, fans and other equipment shall be of not less than 4 hours duration, after stabilized operating conditions have been established.


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1.4.3 Instrumentation

Method of application of instrumentation shall be in accordance with the approved agenda. Furnish all personnel, instruments, and equipment for tests specified herein.

a. Accuracy of Instruments Instruments used for measurements shall be accurate. Provide calibration histories for

each instrument for examination. Calibrate each test instrument by an approved laboratory or by the manufacturer. The Engineer has the right to request instrument recalibration, or the use of other instruments and test methodology, where accuracy or readings is questionable.

b. Application of Instruments Comply with manufacturer's certified instructions. c. Permanently-Installed Instruments Do not install permanently-installed equipment used for the tests, e.g., gages,

thermometers, etc., until just prior to the tests to avoid damage and changes in calibration.

d. Accuracy of all Thermometers Plus or minus one graduation at the temperatures to be measured. Graduations shall

conform to the following schedule:

Medium Design Temperature Differential (Deg. F.)

Maximum Graduation (Deg. F.)

Air Air

Water Water Water

10 or less Over 10

10 or less 10 – 20 Over 20

½ 1

1/10 ½ 1

PART 2 - EXECUTION 2.1 AIR SYSTEM PROCEDURES 2.1.1 Adjustments

Adjust all air handling systems to provide the required design air quantity to, or through, each component. Conduct adjusting and balancing of systems during periods of the year approximating maximum seasonal operation. Doors shall be closed and fume hood sashes full open, and all other ancillary system in simultaneous operation.

2.1.2 Equalizers

Adjust equalizing devices to provide uniform velocity across the inlets (duct side for supply) of terminals, prior to measuring flow rates.

2.1.3 Balanced

Use flow adjusting (volume control) devices to balance air quantities only; i.e., proportion flow between various terminals comprising system, and only to the extent that their adjustments do not create objectionable air motion or sound, i.e., in excess of specified limits.


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2.1.3.1 Balancing between Runs (sub mains, branch mains and branches)

Use flow regulating devices at, or, in, the divided - flow fitting. Minimize restriction imposed by flow regulating devices in or at terminals.

2.1.3.2 Final Measurements of Air Quantity

Make final measurements of air quantity, after the air terminals have been adjusted to provide the optimum air patterns of diffusion.

2.1.4 Fan Adjustment

Total air system quantities, generally, shall be varied by adjustment of fan speed, or axial-flow fan wheel blade pitch. For systems with direct-connected fans (without adjustable pitch blades), damper restrictions of system's total flow may be used, only if system pressure is less than 13 mm w.g. and sound level criteria is met.

2.1.5 Air Measurement 2.1.5.1 Pivot Tube

Except as specifically indicated herein, make pitot tube traverses of each duct to measure air flow therein. Pitot tubes, associated instruments, traverses, and techniques shall conform to the ASHRAE Handbook Fundamentals.

2.1.5.2 Pitot Tube Traverse Except for ducts serving modular office areas with movable partitions, which are subject to change, Pitot-tube traverse may be omitted if the duct serves only a single room or space and its design volume is less than 2000 cfm. In lieu of Pitot-tube traverse, determine air flow in the duct by totalling volume of individual terminals served, measured as described herein.

2.1.5.3 Measurements of Air Quantity Where duct's design velocity and air quantity are both less than 1000 (fpm/cfm), air quantity may be determined by measurements at terminals served.

2.1.5.4 Test Holes Test holes shall be in a straight duct, as far as possible downstream from elbows, bends, take-offs, and other turbulence generating devices, to optimize reliability of flow measurements.

2.1.5.5 Air Terminal Balancing

Measurement of flow rates by means of velocity meters applied to individual terminals, with or without cones or other adapters, shall be used only for balancing. Measurement of air quantities at each type of air terminal (inlet and outlet) shall be determined by the method approved for balancing agenda. Conduct laboratory tests to prove accuracy of methodology when so directed by the Engineer. Perform such tests in conformance with applicable ASHRAE or ASME codes.

2.1.5.6 Air Motion and Distribution

As indicated. The Contractor, in addition to air motion measurements, shall make smoke tests wherever requested by the Engineer, to demonstrate the air distribution from air terminals.


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2.2 WATER SYSTEM PROCEDURES 2.2.1 Adjustment Adjust chilled water systems to provide required quantity to, or through each component. 2.2.2 Metering Measure water quantities and pressure with calibrated meters. 2.2.2.1 Water Measurements and Balancing

Use venturi tubes, orifices, or other metering fittings and pressure gages. Adjust systems to provide the approved pressure drops through the heat transfer equipment prior to the capacity testing. Where flow metering fittings are not installed, determine flow balance by measuring temperature differential across the heat transfer equipment. Perform measurement of temperature differential with the air system, adjusted as described herein, in operation.

2.2.3 Automatic Controls

Position automatic control valves for full flow through the heat transfer equipment of the system during tests.

2.2.4 Flow

Flow through by-pass circuits at three-way valves shall be adjusted to balance that through the supply circuit.

2.2.5 Distribution

Adjust distribution by means of balancing devices (cocks, valves, and fittings) and automatic flow control valves. Do not use service valves for adjustment. Where automatic flow control valves are utilized in lieu of venture tubes, record only pressure drop across the valve if said pressure drop is within the pressure drop rating on the valve tag.

2.2.6 Special Procedures

Where available, pump capacity (as designed) is less than total flow requirements of individual heat transfer units of system served, full flow may be simulated by the temporary restriction of flow to portions of the system. In such a case, delineate specific procedures in the agenda.

2.3 CERTIFIED REPORTS 2.3.1 Submittal

Submit three copies of the reports described herein, covering air and water system performance, and air motion (fpm), to the Engineer prior to final tests and inspection.

2.3.2 Instrument Records Include types, serial numbers, and dates of calibration of all instruments. 2.3.3 Reports

Reports shall identify conspicuously items not conforming to contract requirements, or obvious mal-operation and design deficiencies.


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2.3.4 Certification

The reports shall be certified by an independent Registered Professional Engineer who is versed in the field of air and water balancing and who is not affiliated with any firm involved in the design or construction phases of the project. Certification shall include checking or adherence to agenda of calculations, procedures, and evaluation of final summaries.

2.4 AIR SYSTEM DATA 2.4.1 Report The certified report shall include for each air-handling system the data listed below:

a. Equipment (fan or factory fabricated station unit): (1) Installation Data: (i) Manufacturer and Model (ii) Size (iii) Arrangement, Discharge, and Class

(iv) Motor H.P., Voltage, Phase, Cycles, and Full Load Amps. (v) Location and Local Identification Data

(2) Design Data: Data listed in schedules on drawings and specifications. (3) Fan Recorded (Test) Data (i) C.F.M. (ii) Static Pressure (iii) R.P.M. (iv) Motor Operating Amps. (v) Motor Operating B.H.P. b. Duct Systems:

(1) Duct Air Quantities (Maximum and Minimum) - Main, Submains, Branches, Outdoor (Outside) Air, Total-Air, and Exhaust

(i) Duct size(s) (ii) Number of Pitot-tube (Pressure) Measurements

(iii) Sum of Velocity Measurement, excluding pressure measurements (iv) Average Velocity (v) Recorded (Test) C.F.M. (vi) Design C.F.M.

(2) Individual Air Terminals:

(i) Terminal Identification (Supply or Exhaust, \Location and Number Designation)

(ii) Type Size, Manufacturer, and Catalog Identification (iii) Design and Recorded Quantities - C.F.M. (iv) Deflector Vane or Diffusion Cone Settings

(v) Applicable Factor for Application, Velocity, Area, etc. (vi) Design and Recorded Velocities - F.P.M. (State "core" "inlet," etc., as

applicable)


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2.5 WATER SYSTEM DATA 2.5.1 Report Include data listed below: a. Pumps: (1) Installation Data: (i) Manufacturer and Model (ii) Size (iii) Type Drive (iv) Motor H.P., Voltage, Phase, and Full Load Amps. (2) Design Data: (i) G.P.M. (ii) Head (iii) R.P.M. (iv) B.H.P. and Amps. (3) Recorded Data: (i) Discharge Pressures (Full-Flow and No-Flow) (ii) Suction Pressures (Full-Flow and No-Flow) (iii) Operating Head

(iv) Operating G.P.M. (from pump curves if metering is not provided) (v) No-load Amps. (Where possible) (vi) Full-Flow Amps (vii) No-Flow Amps b. Air Handling and Cooling Equipment: (1) Design Data: (i) Load in Btu per hr (ii) G.P.M. (iii) Entering and Leaving Water Temperature (iv) Entering and Leaving Air Conditions (D.B. and W.B) (v) C.F.M. (vi) Water Pressure Drop (2) Recorded Data:

(i) Type of Equipment and Identification (location or number designation) (ii) Entering and Leaving Air Conditions (D.B. and W.B.)

(iii) Entering and Leaving Water Temperatures (iv) G.P.M. (if metered) (v) Temperature Rise or Drop c. Water Chilling Units (1) Installation Data: (i) Manufacturer and Model

(ii) Motor H.P., Voltage, Cycles, Phase, and Full Load Amps. (iii) Part Load Amperes (iv) G.P.M. (v) Water Pressure Drop


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(vi) Entering and Leaving Water Temperature (2) Recorded Data (i) G.P.M. (ii) Water Pressure Drop (iii) Entering and Leaving Water Temperature (iv) Amperes 2.6 FINAL TESTS, INSPECTION, AND ACCEPTANCE 2.6.1 Capacity and Performance Tests

Make tests to demonstrate that capacities and general performance of air and water systems comply with contract requirements.

2.6.1.1 Final Inspection

At the time of final inspection, the Contractor shall recheck, in the presence of the Engineer, random selections of data, water and air quantities and air motion recorded in the certified report.

2.6.1.2 Points and Areas for Recheck As selected by the Engineer. 2.6.1.3 Measurement and Test Procedures As approved for work forming basis of certified report. 2.6.1.4 Selections for Recheck (specific plus random)

In general, selections for recheck will not exceed 25 percent of the total number tabulated in the report, except that special air systems may require a complete recheck for safety reasons.

2.6.2 Retests

If random tests elicit a measured flow deviation of ten percent or more from that recorded in the certified report listings, at ten percent or more of the rechecked selections, the report shall be automatically rejected. In the event the report is rejected, all systems shall be readjusted and tested, new data recorded, new certified reports submitted, and new inspection tests made.

2.6.3 Marking of Settings

Following final acceptance of certified reports by the Engineer, the settings of all valves, volume, dampers, and other adjustment devices shall be permanently marked by the Contractor, so that adjustment can be restored if disturbed at any time. Do not mark devices until after final acceptance.


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3.0 BASIS OF PAYMENT

Payment shall be made upon acceptance by the engineer after conducting the testing and balancing showing that the equipment conforms and satisfies the requirement of the specifications. Complete testing and balancing report signed by the contractor and the Engineer, (6 – sets) shall be submitted to the Engineer.

Payment will be made in accordance with the Bill of Quantities.

******