Commissioning Procedure For Hvac System (qp)24-02 4s5a70
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PROJECT / CONTRACT REF.: 3729/GC13107800 CONTRACT TITLE: -
EPIC FOR GAS SUPPLY TO RAS ABOU FONTAS (RAF) POWER STATIONS
DOCUMENT TITLE :
Commissioning Procedure for HVAC System CONTRACTOR:
MEDGULF REF : MJ-593
18-Jan-15
1
ISSUED FOR APPROVAL
MF
HS
JPS
22-Dec-14
0
ISSUED FOR REVIEW / COMMENTS
MF
HS
JPS
DATE
REV. NO.
REASON FOR REVISION
PREPARED
CHECKED
APPD.
DOCUMENT NO:
3729
-
MGDGE
-
5
-
019
-
0004
SHT
01
OF
18
APPD. Q.P.
REV
1
Commissioning procedure for HVAC WORKS
Table of Contents
1.0
PURPOSE 3
2.0
PRE-COMMISSIONING REQUESTS
3
2.1 GENERAL 2.2 WORK PERMIT 2.3 SPECIAL TOOLS AND TEST INSTRUMENTS 2.4 CONSUMABLES 2.5 SAFETY AD ENVIRONMENTAL 3.0
PRE-COMMISSIONING3 3.1 SUMMARY 3.2 AIM OF PRE-COMMISSIONING PROCEDURE 3.3 DESCRIPTION 3.4 TEMPORARY EQUIPMENT/FACILITIES 3.5 SPECIAL PRECAUTIONS
4.0
PRE-COMMISSIONING PLANNING
3
4.1PLANNING TASKS 4.2 PRE-COMMISSIONING DURATION TIME 4.3 VENDORASSISTANCE 4.4 CLIENT ASSISTANCE 5.0
SAFETY RESPONSIBILITIES
3
5.1 GENERAL 5.2 SAFETY MEASURES TO BE FOLLOWED 6.0
PRECOMMSSIONING STEP-BY-STEP
4
6.1 lNSTALLATION VERIFICATIONS Package AIC unit's installation verifications Ductwork installations verifications Volume Control Dampers installation verification Motorized Control Dampers installation Verification Gas-Tight Damper installation Verification Fire Dampers installation Verification Exhaust Fans installation Verifications HVAC Control installation verifications (if Applicable) 6.2 ELECTRICAL AND INSTRUMENTATION VERIFICATIONS 6.3 CONTROL VERIFICATIONS (IF PROVIDED) 7.0
PROTECTION OF EQUIPMENTS DURING AND AFTER PRECOMMISSIONING
7.1 PROTECTION 8.0
POST CONDITIONS
6
9.0
DOCUMENTATION
9
4
Commissioning procedure for HVAC WORKS 9.1 PROJECT DRAWINGS 10.0 HVAC PRE-COMMISSIONING CHECK LIST 10 10.1 HVAC, GENERAL 10.2 HVAC, DUCTING 10.3 HVAC, MOTORIZED VOLUME CONTROL DAMPER 10.4 HVAC, GAS-TIGHT DAMPER 10.5 HVAC, VOLUME CONTROL DAMPER. 10.6 HVAC, CONTROL 10.7 HVAC, ROOF TOP PACKAGED UNIT 10.8 HVAC, EXHAUST FAN 11.0 COMMISIONING PROCEDURE
10
11.1 SUMMARY 11.2 AlM OF COMMISSIONING PROCEDURE 11.3 DESCRIPTION 11.4 TEMPORARY EQUIPMENT /FACILITIES 11.5 SPECIAL PRECAUTIONS 11.6 PRE-REQUISITES General Pre-Commissioning Achievements Status of other Dependent Sub-System I Facilities Special Tools and Test Instruments Consumables Safety and Environmental Utilities
12.0 PLANNING
10
12.1 PLANNING TASKS 12.2 COMMISSIONING DURATION TIME 12.3 VENDOR ASSISTANCE 12.4 CLIENT ASSISTANCE 13.0 COMMISSIONING REQUIREMENT
10
13.1 VERIFICATION 14.0 COMMISSIONING PREPARATION
10
14.1 ELECTRICAL PREPARATION (PRE COMMISSIONING COMPLETED) 14.2 INSTRUMENTATION PREPARATION (PRE COMMISSIONING COMPLETED) 14.3 MECHANICAL PREPARATION (PRE COMMISSIONING COMPLETED) 15.0 COMMISIONING STEP BY STEP 10 15.1 METHOD 15.2 WORK PERMIT 15.3 PKG"D A/C UNITS 15.4 EXHAUST FANS 15.5 HVAC MOTORIZED CONTROL DAMPERS 15.6 HVAC GAS-TIGHT DAMPER 15.7 HVAC CONTROL
Commissioning procedure for HVAC WORKS 16.0 PROTECTION OF EQUIPMENT ’DURING AND AFTER’ COMMISSIONING
10
16.1 PROTECTION 17.0 COMMISIONING PROCEDURE CHECK LIST 10 ATTACHMENT 'B' 17.1 GENERAL CHECK LIST 17.2 ROOF TOP PACKAGED UNIT 17.3 ROOF TOP PACKAGED UNIT (COMPRESSOR) 17.4 ROOF TOP PACKAGED UNIT (CONDENSOR FAN MOTOR) 17.5 ROOF TOP PACKAGED UNIT (EVAPORATOR SECTION) 17.6 EXHAUST FAN 17.7 ROOM AIR BALANCING 17.8 AIR DISTRIBUTION REPORT 17.8 INDOOR/OUTDOOR CLIMATIC REPORT 17.9 TESTING AND AIR BALANCING (TRANSVERSE) DATA SHEET 17.10 INDOOR/OUTDOORCLIMATIC REPORT 18.0 JOB SAFETY ANALYSIS
10
19.0 REFERENCE DRAWINGS
10
20.0 ABBREVIATIONS
1.
PURPOSE •
2.
10
The purpose of this Document is to describe the methodology for the commissioning of HVAC System under Project GC09107200.
PRE-COMMISSIONING REQUISITES Commissioning activities are to be carried out under direct supervision of manufacturer’s representative and QP Personal.
2.1 General • • • •
Gather and ensure that the relevant information and documentation required for Pre commissioning at the latest version . AFC copies are available. Mechanical completion certificate for the system/ subsystem shall be a prerequisite for proceeding to Pre-Commissioning activities. Personnel present for pre-commissioning are wearing the appropriate PPE.
2.2 Work Permit Before commencing any work on site confirm that a valid permit to Work (Hot I Cold Work Permit as Applicable) is Available for the task to be undertaken and all pre-job Safety Talks (Toolbox) have been Completed .
2.3 Special Tools and Test Instruments • Normal hand tool set. • Electrical tool set.
Commissioning procedure for HVAC WORKS • Refrigeration gauge and manifold set. • Vacuum pump set. • Electrical Multi-meter. • Insulation resistance meter (Megger) (if required). • Tachometer (if required). • Clamp meter. • Sound level meter (if required). • Hood flow meter. • Digital manometer. • Temperature and Relative Humidity meter • Soap Water Can (Leak detection of refrigerant pipes) NB: Current calibration certificates (which ever required) for all electrical test equipment shall be available for inspection by QP.
2.4 Consumables • • •
Gas (Nitrogen and R-407c) as required. Lithium grease. Compressor lubricating oil.
2.5 Safety and Environmental All pre-commissioning to be in accordance with relevant safety, Permit to Work" system(as applicable). • Only authorized personnel shall be allowed into areas where HVAC Pre Commissioning is taking place. Barriers to be erected around all installation areas and warning notices are to be posted on the •
barriers. 3. PRE-COMMISSIONING 3.1 Summary The purpose of the Pre Commissioning procedure is to ensure that the specific HVAC systems of EPIC FOR GAS SUPPLY TO RAS ABOU FONTAS (RAF) POWER STATIONS are properly installed according to the approved project specifications, construction drawings and materials. Further this procedure ensures to confirm and comply with QP standards for precommissioning. 3.2 Aim of Pre-Commissioning Procedure To provide guidance to the Pre-Commissioning team as per standard practice, namely: ASHRAE and I or CIDSE Pre-Commissioning Guides. DW/143. To provide a sequential list of methods to be applied to HVAC equipment on site.
3.3 Description
Commissioning procedure for HVAC WORKS
• • • • • •
Pre-Commissioning of Rooftop Package units. Pre-Commissioning of Extract Fans. Pre-Commissioning of HVAC Control (Provided if any). Pre-Commissioning of HVAC related Motorized Control Dampers and Fire Dampers. Pre-Commissioning of HVAC related Gas-Tight Damper Pre-Commissioning of HVAC related Volume Control Dampers
3.4 Temporary Equipment I Facilities • Scaffolding. • Self-ing ladders. • Temporary barriers I Warning Sign Boards ETC, (if Required)
3.5 Special Precautions • Barriers to be erected at entrance to areas under Pre-Commissioning.. • Fire Extinguishers will be placed During the Activities. NB: Fire watcher will be in attendance as and when required 4.0 PRE-COMMISSIONING PLANNING
4.1 Planning Tasks • As per QP requirement. 4.2 Vendor assistance
• Supervision required for the Pre-Commissioning of major equipment, i.e. Pkg"d A/C Units. • Supervision required for the Pre-Commissioning of the Control . Client assistance
• To witness the testing.
5. SAFETY RESPONSIBILITIES 5.1 General • Safety shall be adhered during Pre-commissioning I Commissioning and Testing of equipments, Thus the following responsibilities and duties shall be abide during the process of works.
5.2 Safety Measures to be followed • Safety Representatives I Worksite Supervisor to shall ensure that the work permit for pre commissioning or commissioning I Testing Process for HVAC Works is in line with the scope of work I Approved by the HSE Plan. • Check the Installation Conformity to the design Drawings and Specifications prior to precommissioning or Commissioning. • All Necessary approved PPE Shall be provided and worn at all times. • Sufficient Illumination shall be provided in Pre commissioning or commissioning/Testing
Commissioning procedure for HVAC WORKS Process area while working at night. • Before the process of Commissioning I Testing, please display Warning Signboards as necessary and barricade the restricted area. • Safety Personnel shall conduct a t walk through/inspection with testing personnel to familiarize them with system to be tested to identify any potential hazards. • Proper and safe means of access & aggress shall be provided and maintained for all personnel in order to carry out inspection and testing of other dependent Subsystem as well.
6. PRE-COMMISSIONING STEP-BY-STEP 6.1 Installation Verifications: 6.1.1Package A/C unit's installation verifications: • Check • Check • Check • Check • Check • Check • Check • Check • Check • Check • Check • Check • Check • Check • Check • Check • Check • Check • Check • Check • Check • Check • Check • Check • Check • Check • Check • Check • Check • Check • Check • Check
6.1.2
all equipment for installation are as per the design and manufacturer's recommendations equipments interior and exterior are clean and free of debris unit interior and exterior is free of any damage none of the components are damaged adequate clearance provided for service and maintenance leveling of the Units are proper anti vibration mounting pads are in place. shipping bolts of the compressor are to be removed all electrical components, starters, fuses are in place. thermostats are installed and connected all power and control terminations are proper and secure. for Service space availability around the units. the drain connections are to the nearest floor drain the unit doors to be air tight anti vibration mounting have correct location the filters are provided Coil fins are straight and free of obstructions. Compressor Oil level checked Fan rotation smooth for unit grounding motor bearing are properly lubricated wheel clearance and balance are checked motor & blower bearing are properly lubricated condenser Fan rotation smooth compressor is free from physical damage all piping connections and instruments are complete and tight alignment of compressors is verified all electrical connection and devices are complete & operational for the Labeling of the Equipment. for the level of drain pan. the drive belt guard is securely fitted Fan accessories are available and installed
Ductwork installations verifications: • Check quality and size of ducts. • Check for the Duct s
Commissioning procedure for HVAC WORKS • • • • • • • • •
Check Check Check Check Check Check Check Check Check
for the alignment of the installed ducts for the access doors as per approved drawings for proper sealing of ts with sealant. for flexible connections of the units duct routing/size as per drawing the duct and hangers are secured & plumbs the duct liners proper fixing duct internal clean and no foreign matters left inside location of momentary test point for air balancing.
6.1.3Volume Control Dampers installation verification: • • • • •
Check for Volume control damper dimensions. Check the dampers(blade/shaft) for free of movement Check location of installation of the volume control damper Check for the sealing of connection with ducts. Check for the Labeling of the VCDs.
6.1.4Motorized Control Dampers installation Verification: • • • • • • • • •
Check for the motorized dampers dimensions Check for the motorized dampers location Check the dampers(blade/shaft) for free of movement Check for the damper level Check for the sealing of connection with ducts. Check for the Labeling of the Motorized Dampers Check the actuator operations Check air flow direction is correct Check fail safe feature of damper
6.1.5Gas-Tight Dampers installation Verification: Check for the gas-tight dampers dimensions Check for the location of installation of the gas-tight damper. Check the actuator operation Check and the Leakage rate with respect to the specification Check for the sealing of connection with ducts. Check for the installation/erection criteria of manufacturer such as (in prior) a) Service hatch must be provided and it must be located on the ’clean’ side of the valve b) The valve must be kept in closed position until the installation is completed C) The valve should be lifted using at least two lifting points • Check for the labeling of the gas tight dampers • • • • • •
6.1.6 Fire Dampers installation Verification: • Check for the mechanical linkage of fire dampers. • Check for the location of installation of the fire damper. • Check for the Labeling of the Fire Dampers
Commissioning procedure for HVAC WORKS • Check the actuator operation (MSFD Only) • Check fire damper is encased properly in wall, ensure that there are no gapes between damper casing and wall for fire /gas/smoke ages. 6.1.6 Extract Fans installation Verifications: • All Extract fans are installed as per the HVAC layout specifications. • Check and ensure I confirm the free rotation and direction of the extract fans. • Check and ensure I confirm the identification tags have been fixed properly. 6.1.7 HVAC Control installation verifications (if Applicable): • Control is located in the specified /designated area. • All cable terminations to and from the Control and any associated HVAC Junction boxes are to be checked individually. • Check and ensure I confirm that s provided are in compliance with the required protection ratings I certifications. • Check and ensure I confirm that s are provided with adequate access/platform and space for operation and maintenance • Check and ensure I confirm that the Control is free from any installation transportation Damage, if any found has to be recorded. • Check and ensure I confirm the Control is properly tagged and labeled. • Check and ensure I confirm the is self-explanatory in of tagging or indications. • Check and ensure I confirm and ensure I confirm the is properly ventilated and has proper exhaust. • Check and ensure I confirm that the Proper space between two s has been provided. If wall mounted check that the is properly fixed and the proper ground has been provided. 6.2 Electrical and Instrumentation Verifications: • Check and ensure I confirm all the Power and Control cables connected with the System s h o u l d carry out the insulation resistance test and all the values to be recorded in the check list provided. • Check and ensure I confirm that all the Power and Control cables are suitably tagged for identification. • The incoming power cables to the unit isolators and to the control are properly tightened and are within the specified torque values. • Check and ensure I confirm that all the cables are routed through the proper cable trays and trunks. • Check and ensure I confirm that all the Cable trays and trunks are suitably grounded. • Check and ensure I confirm that the cables are suitably glanded, and the glands have been grounded with their check nuts. • All the Units, Exhaust fans, Control , Motorized Control Damper and Isolators should be properly grounded. • All the Instruments (Provided if any) Such as Temperature transmitters, humidity transmitters , pressure transmitters, Differential pressure transmitters and other instruments, should be provided with the instrument earthing and the signal cables should be a shielded. • Check and ensure I confirm if temperature sensor/transmitters (if provided) in the ducts are properly fixed and suitably glanded i n s i d e the ducts. • Wiring free from abrasion, kinks and sharp corners. • All the Differential pressure switches to monitor the filters are installed and the respective hoses are suitably fixed to the unit filters.
Commissioning procedure for HVAC WORKS • Air flow switches are installed at the correct position to identify the airflow. • All the Motorized actuators are properly terminated and tagged. • The Package A/C units wiring and cabling has been carried out with respect to the drawings provided by the Manufacturer. • All the Compressors, Solenoid valves, Condenser fans, Supply fan, Blower are properly tagged and Terminated to the local control station of the Units. • All the Motors should be grounded properly. 6.3 Control Verifications (if provided) • The HVAC Control has been provided to overall control & Monitor the HVAC system. • Check and ensure I confirm that s provided are in compliance with the required Protection ratings I certifications. • Check and ensure I confirm that s are provided with the "As Built I As Manufactured" drawings I wiring diagrams (fixed inside the ). • Check and ensure I confirm that the control is properly installed and free from damages. • Ensure that the General Arrangement is as per the Approved Drawings or as per the Q.P Specifications. • Check and ensure I confirm that is FAT/ TPI approved (if Applicable). • Check and ensure I confirm that the internal loop test has been carried out and is up to the mark. • Check and ensure I confirm that the IP protection of the is as per specifications. • Control internal arrangement is as per the Approved drawings. • Relays, ors, and other switchgear items inside the are suitably tagged, ease for maintenance. • B.O. Q of the Control is as per the Drawings. • PLC/DDC Controllers are mounted in the ensure the wiring is carried out as per the specifications of the manufacturer. • All the Feed backs from the field are properly terminated with the Loop test carried out earlier and is reported. • All the outputs are at the proper voltage levels and are terminated at the designated points. • Sensors/Transmitters are properly terminated and are shielded. • Check and ensure I confirm that AC/DC power is properly tagged and identified. 7. PROTECTION OF EQUIPMENTS DURING AND AFTER PRE-COMMISSIONING 7.1 Protection: • Ensure electrical equipments are protected against rain and water ingress, especially those items located externally and not normally exposed to the ambient conditions. • Ensure no mechanical damage due to other activities on site. • Ensure that the equipment are protected properly from dust ingress. • Ensure that all ,hot works" that are carried out in the vicinity of any HVAC equipment , should have the necessary protection in place to ensure that no damage to the equipment or paint finish.
8. POST CONDITIONS Equipment released for next phase of testing (Commissioning)
Commissioning procedure for HVAC WORKS
9. DOCUMENTATION
9.1 Project Drawings Sr.No. 1
Drawing Title Building services drawing index
Drawing No. 3729-MGDW2-9-00-0001
2
STN, W2-LER BLDG, Schematic Flow Diagram
3729-MGDW2-9-HE-0001
3 4 5 6 7
STN, W2-LER BLDG, HVAC Equipment Schedule HVAC Miscellaneous Details STN, W2-LER BLDG, HVAC Sections STN, W2-LER BLDG, ARCH. GR.FL.Plan STN, W2-LER BLDG, ARCH. Roof Plan STN, W2-LER BLDG, ARCH. Section Details
3729-MGDW2-9-30-0001 3729-MGDW2-9-HA-0001 3729-MGDW2-9-HD-0001 3729-MGDW2-9-AK-0001 3729-MGDW2-9-AK-0002 3729-MGDW2-9-AK-0004
8
Commissioning procedure for HVAC WORKS
10. HVAC PRE-COMMISSIONING CHECK SHEET LIST ATTACHMENT 'A'
PRE COMMISIONING CHECK LIST HVAC 10.1 HVAC GENERAL FORM: GENERAL TASK LOCATION ESTIMATED TIME(MH) : Subsystem ITEM
CHECKLIST
Commissioning procedure for HVAC WORKS 1 Check and ensure I confirm that all relevant Engineering & Vendor drawings are listed and submitted as per table 10.1 of this procedure and all these drawings are of latest revisions. (Status as a minimum shall be AFC). Check and ensure I confirm that the location, elevation Orientation and that the equipment is correct and aligned. Check ensure I confirm for any apparent signs of shipping I rigging damage.(if applicable record and details) Check ensure I confirm that all the dampers are opened
1
2 3 4 5 6 7 8 9 10 11
Check that all the duct work connections have the correct gaskets installed Check and ensure I confirm that all the condenser /blower fans rotate freely and in the correct direction Check and ensure I confirm that the equipment is internally cleaned and all foreign objects removed Check and ensure I confirm the blower v-belt alignment and tension ( if applicable) Check and ensure I confirm the filter is clean Check and ensure I confirm that the LV control circuits been Properly isolated from the HV power circuits. Check and ensure I confirm that the L.P and H.P switches are Connected correctly.
REMARKS:
NAME
DATE
SIGNATURE
Accepted by
Carried out by Subcontractor/Vendor TPI QP
FORM :DUCT WORK TASK LOCATION ESTIMATED TIME(MH) : Subsystem ITEM
CHECKLIST
1
Check and ensure I confirm compliance with all relevant drawings
OK
NOT OK
NOT APPLICABLE
REMARKS
Commissioning procedure for HVAC WORKS 2
3
4
5
6
7
8
9
10
11
12
13
14
Check and ensure I confirm that installation protocol is available and the equipment is cleared for Pre- Commissioning Check and ensure I confirm visual appearance for damage, proper finish and workmanship Check and ensure I confirm the location, elevation, orientation and that the equipment is correctly aligned correctly aligned. Check and ensure I confirm inside ductwork for Cleanliness, i.e. dust and debris. Check and ensure I confirm that Test Holes are provided, and that plugs or covers are fitted as well. Check and ensure I confirm that access doors are sealed Around the whole periphery and properly fastened. Check and ensure I confirm that mechanical protection , i.e. external cladding is correctly installed and surface is Damage free i.e. large dents. Check and ensure I confirm that bird screens/ external louvers are correctly installed and properly fastened Check and ensure I confirm that the earth and bonding are in accordance with the project specification. Check and ensure I confirm that ductwork identification is installed and clearly visible. Check and ensure I confirm that access for maintenance and inspection (if required). Check and ensure I confirm ductwork wall, slab and floor Penetration integrity for condition of reinstatement. Produce a defects list for issue in the Punch list
Commissioning procedure for HVAC WORKS
REMARKS:
DATE
Accepted by
Carried out by Subcontractor/Vendor TPI . QP
NAME
SIGNATURE
Commissioning procedure for HVAC WORKS
FORM: Motorized Volume Control Damper TASK LOCATION ESTIMATED TIME(MH) : Subsystem ITE M
CHECKLIST Pretest Condition
1
2
1 2 3
4
5
6
7
8 9 10 11 12
Check and ensure I confirm Compliance with all relevant drawings. Check and ensure I confirm that installation protocol is available and the equipment is cleared for PreCommissioning. Visual Inspection-ObservationAdjustment Nameplate details are complete and correct Check and ensure I confirm that the ,Tag No" is correct Check and ensure I confirm that the equipment is as Per the project specifications the construction drawings. Check and ensure I confirm the location, elevation, Orientation and that the equipment is correctly aligned. Check and ensure I confirm that the mounting arrangement is correct and that the and gaskets to connecting ductwork are installed Check and ensure I confirm that the earth and bonding are in accordance with the project specification. Check and ensure I confirm the ’OPEN ‘position b y Energizing the 24v power. Repeat the operation a few times Check and ensure I confirm limit switch operation (simulate) Produce a defects list for issue in the Punch list Have good maintenance access for dampers and their actuators. To be sure arrow indication are available at damper actuators to refer for close and open positions.
OK
NOT OK
NOT APPLICABLE
REMARKS
Commissioning procedure for HVAC WORKS REMARKS:
DATE
Accepted by
Carried out by Subcontractor/Vendor TPI QP
NAME
SIGNATURE
Commissioning procedure for HVAC WORKS FORM: GAS-TIGHT DAMPER TASK LOCATION ESTIMATED TIME(MH) : Subsystem ITE M
CHECKLIST Pretest Condition
1
2
1 2 3
4
5
6
7
8 9
10 11
Check and ensure I confirm Compliance with all relevant drawings. Check and ensure I confirm that installation protocol is available and the equipment is cleared for PreCommissioning. Visual Inspection-ObservationAdjustment Nameplate details are complete and correct Check and ensure I confirm that the ,Tag No" is correct Check and ensure I confirm that the equipment is as Per the project specifications the construction drawings. Check and ensure I confirm the location, elevation, Orientation and that the equipment is correctly aligned. Check and ensure I confirm that the mounting arrangement is correct and that the and gaskets to connecting ductwork are installed Check and ensure I confirm that the earth and bonding are in accordance with the project specification. Check the mode of operation of actuator, controlled either electronically from the control center or manually using the hand wheel. For change of operation see instructions later in this manual. Repeat the operation a few times Check and ensure I confirm the default position is open, and it is set at the factory. Produce a defects list for issue in the Punch list. Have good maintenance access for dampers and their actuators.
OK
NOT OK
NOT APPLICABLE
REMARKS
Commissioning procedure for HVAC WORKS REMARKS:
FORM: Volume Control Damper Carried out by Accepted by
Subcontractor/Vendor TASK LOCATION ESTIMATED TIME(MH) TPI : Subsystem QP ITEM CHECKLIST 1
2
13 1 2 3
4 5 6 7 8
9
10
11 12
NAME
DATE
OK
NOT OK
NOT APPLICABLE
SIGNATURE
REMARKS
Pretest Condition Check and ensure I confirm compliance with all relevant Drawings. Check and ensure I confirm that installation protocol is available and the equipment is cleared for Pre-commissioning. To be sure arrow indication are Visual Inspectionavailable at damper actuators to Observation- Adjustment refer Nameplate details are complete and correct. Check and ensure I confirm the, Tag No" is correct. Check and ensure I confirm that the equipment is as per the project specifications the construction drawings. Check and ensure I confirm all Shipping stops, bracing and packing is removed. Check and ensure I confirm visual appearance for proper finish and workmanship. Check and ensure I confirm movement of control linkages. Check and ensure I confirm operation of quadrant locking handle. Check and ensure I confirm that the mounting arrangement is correct and that the and gaskets to connecting ductwork are installed. Check and ensure I confirm that the earth and bonding are in accordance with the project specification. Check and ensure I confirm the location, elevation, orientation and that the equipment is correctly aligned. Check and ensure I confirm that access for maintenance and inspection(if required) Produce a defects list for issue in the Punch list.
.
Commissioning procedure for HVAC WORKS REMARKS:
Accepted by
FORM: HVAC Control (if Applicable) Carried out by TASK LOCATION Subcontractor/Vendor ESTIMATED TIME(MH) :
DATE OK
Subsystem ITEM 1
2
1 2
TPI CHECKLIST QP Pretest Condition
Check and ensure I confirm compliance with all relevant drawings. Check and ensure I confirm that installation protocol is available and the equipment is cleared for Pre-Commissioning. Visual InspectionObservation- Adjustment Nameplate details are complete and correct. Check and ensure I confirm that installation protocol is available and the equipment is cleared for Pre-Commissioning.
3
Check and ensure I confirm that the equipment is as per the project specifications the construction drawings.
4
Check and ensure I confirm the location, elevation, orientation and that the equipment is correctly aligned .
NAME NOT OK
NOT APPLICABLE
SIGNATURE REMARKS
Commissioning procedure for HVAC WORKS
5
6 7 8
9
Check and ensure I confirm that earthing has been done as per the project specification. Check and ensure I confirm that the cable termination is correct. Check and ensure I confirm that the is not damaged. Check and ensure I confirm that all wiring diagram are kept inside the drawing pocket in the control . Produce a defects list for issue in the Punch list.
REMARKS:
Commissioning procedure for HVAC WORKS
NAME
DATE
SIGNATURE
Carried out by Accepted by
Subcontractor/Vendor TPI QP
FORM: Roof Top Packaged Unit TASK LOCATION ESTIMATED TIME(MH) : Subsystem ITEM 1
2
1 2 3
4
5
6
CHECKLIST Pretest Condition Check and ensure I confirm compliance with all relevant Drawings. Check and ensure I confirm that installation protocol is available and the equipment is cleared for Pre-commissioning Visual InspectionObservation- Adjustment Name plate details are complete and correct. Check and ensure I confirm that the, Tag No" is correct. Check and ensure I confirm that the equipment is as per the Vendor's drawings. Check and ensure I confirm that the location, elevation, orientation and that the equipment is correctly aligned Check and ensure I confirm for any apparent signs of shipping I Rigging damage. Check and ensure I confirm that the holding down arrangement is correct .
OK
NOT OK
NOT APPLICABLE
REMARKS
Commissioning procedure for HVAC WORKS 7
8
9
Check and ensure I confirm that the cooling coil fins are properly combined. Check and ensure I confirm that the condenser I blower fans rotate freely and in the correct direction. Check and ensure I confirm that all ductwork connections have the correct gaskets installed
10
Check and ensure I confirm that the equipment is internally cleaned.
11
Check and ensure I confirm that drain trap connection is correct and ensure I confirm the Check blower v-belt alignment and tension (if applicable) Check and ensure I confirm that the filter is clean. Check and ensure I confirm that the equipment has the correct Voltage and the adequacy of power wiring for the capacity.
12
13 14
15
16
17
18
19
20
Check and ensure I confirm the insulation resistance of the motor (if applicable) Check and ensure I confirm the insulation resistance of the power cable. Check and ensure I confirm that the LV control circuits are properly isolated from the HV power circuits. Check and ensure I confirm that the LP and HP switches are connected correctly. Check and ensure I confirm that the all associated field control devices are correctly installed (airflow switches, room stat, temp stat, etc.). Check and ensure I confirm for the Utility water line is available on the Roof for the Drain water.
Commissioning procedure for HVAC WORKS 21 22
23
24
25
26
27
28
29
30
31
32
33
34
Check and ensure I confirm the U Trap Availability. Check and ensure I confirm all units Functional Location Tags Are available. Check and ensure I confirm Documents and Drawings of the Equipments are available Check and ensure I confirm that the lubricating oil and consumables are filled up to the required level and the condition of the same is good
Check and ensure I confirm that the accessories and piping associated with the systems are properly ed I guided. Check and ensure I confirm that the equipment is accessible to reach access doors and operable for operation and maintenance Check and ensure I confirm that staircase access I platform and space provided are adequate enough for operation and maintenance. Check and Ensure I Confirm that the relevant unit drawings are available. Check and Ensure I Confirm that package unit Control Wires are tagged properly. Check and Ensure I Confirm that package unit Control parts are tagged Properly. Check and Ensure I Confirm all functional locations for package units inlet and outlet dampers are available. Check and Ensure I Confirm good maintenance access for all package units and their parts Check and Ensure I Confirm utility water line is available in roof Check and ensure I Confirm U trap pipe
Commissioning procedure for HVAC WORKS 35
Check and ensure/ confirm availability of all compressors
REMARKS:
NAME
DATE
SIGNATURE
Carried out by Accepted by
Subcontractor/Vendor TPI QP
FORM: Exhaust Fans TASK LOCATION ESTIMATED TIME(MH) : Subsystem ITEM 1 2
1 2 3
4
5
CHECKLIST Pretest Condition Check and ensure I confirm compliance with all relevant Drawings. Check and ensure I confirm that installation protocol is available and the equipment is cleared for Pre-Commissioning . Visual Inspection-ObservationAdjustment Nameplate details are complete and correct. Check and ensure I confirm that the ,Tagthat No" the is correct. Check equipment is as per the vendors' drawings and project specifications. Check and ensure I confirm the location, elevation, orientation and that the equipment is correctly aligned. Check and ensure I confirm for any apparent signs of shipping I rigging damage. (If applicable record details).
OK
NOT OK
NOT APPLICABLE
REMARKS
Commissioning procedure for HVAC WORKS 6
Check and ensure I confirm that the mounting arrangement is correct and that the and gaskets to connecting ductwork are installed.
7
Check and ensure I confirm that the earth and bonding are in accordance with the project Specification.
8
Check and ensure I confirm that the equipment has the correct voltage and the adequacy of power Wiring for the capacity. Check and ensure I confirm the free rotation of the fan motor and impeller. Check and ensure I confirm the airflow direction Check and ensure I confirm insulation resistance of the motor (If applicable).
9
10 11
12
Check and ensure I confirm insulation resistance of the power cable.
Commissioning procedure for HVAC WORKS
REMARKS:
DATE
Accepted by
Carried out by Subcontractor/Vendor TPI QP
NAME
SIGNATURE
Commissioning procedure for HVAC WORKS
11. COMMISIONING PROCEDURE
Commissioning procedure for HVAC WORKS 11.1 Summary The purpose of the Commissioning procedure is to ensure that the specific HVAC systems of EPIC FOR G A S SUPPLY TO RAS ABU FONTAS (RAF) POWER STATIONS STN.W2-LER BUILDING are properly installed and Operational according to the approved project specifications, Construction drawings, Cause and effect and Operational Philosophy. All required action for the punch list items generated in the previous stages shall have been completed prior to proceeding to the next stage of commissioning. List of updated and consolidated punch list shall be submitted. Further this procedure ensures to confirm and comply with QP standards 11.2 Aim of Commissioning Procedure
To provide guidance to the Commissioning team as per standard practice, namely: ASHRAE and I or CIBSE Commissioning Guides. DW/143. To provide a sequential list of methods to be applied to HVAC equipments on site.
11.3 Description • Commissioning of Rooftop Package units. • Commissioning of Extract fans. • Commissioning of HVAC Control (if provided). 11.4 Temporary Equipment I Facilities • Scaffolding. • Self-ing ladders. • Temporary barriers I Warning Sign Boards, Etc. 11.5 Special Precautions • Barriers to be erected at entrance to areas under Commissioning. NB: Fire watcher will be in attendance as and when required. 11.6 Pre-requisites 11.6.1 General: • Gather and ensure that the relevant information and document ation required for Commissioning is at the latest version. • AFC Copies are available. • Portable Fire Extinguishers are in place • Power Supply is available • Barriers have been erected • Personnel attending the commissioning are wearing the appropriate PPE
Commissioning procedure for HVAC WORKS
11.6.2 Pre-Commissioning Achievements: • HVAC Pre-Commissioning checks and Punch lists (if any) completed (in conjunction with QA/QC). • Electrical Pre-Commissioning checks and Punch list (if any) are completed • Instrumentation Pre-commissioning checks and Punch list (if any) are completed. • Mechanical Commissioning checks and Punch list (if any) are completed. • PSSA of Dedicated subsystem issued (All punch list ,A" Cleared) • RFC of Dedicated Subsystem already signed (No Punch list ,A" remaining) 11.6.3 Status of other Dependent Sub-System I Facilities The following sub-systems shall be commissioned and should be available for HVAC system commissioning. a. LV mains power Distribution board should be commissioned; if not the HVAC system shall utilize the temporary power provided. b. UPS System is to be commissioned (if applicable); if not the PLC System shall Utilize the temporary power provided. c. F & G system to be commissioned to generate the Cause and Effect; if not the cause and effect will be simulated manually. d. ESD trip signal to HVAC equipments (if applicable); if not will be simulated externally by means of a temporary pu sh button near by the each units. e. Condensate drain line is connected. f. Earthing is completed. 11.6.4 Special Tools and Test Instruments: • Norma l hand tool set. • Electrical tool set. • Refrigeration gauge and manifold set. • Vacuum pump set. • Electrical Multi-meter. • Insulation resistance meter (Megger) (if required). • Tachometer (if required). • Clamp meter. • Sound level meter (if required) • Hood flow meter. • Digital manometer. • Temperature and Relative Humidity meter. 12.6.5 Consumables: • Gas (Nitrogen and R-407c) as required. • Lithium grease. • Compressor lubricating oil. • Temporary Filters
Commissioning procedure for HVAC WORKS 11.6.5 Consumables: • Gas (Nitrogen and R-407c) as required. • Lithium grease. • Compressor lubricating oil. 11.6.6 Safety and Environmental: All commissioning to be in accordance with relevant Job safety Analysis procedure and ,,Permit to work" system (as applicable). Only authorized personnel shall be allowed into areas where HVAC Commissioning is taking place. Barriers to be erected around all installation areas and warning notices are to be posted on the barriers 11.6.6 Utilities: • Availability of fire extinguishers suitable for electrical fires. 12. PLANNING 12.1 Planning Tasks • As per QP requirement. 12.2 Commissioning Duration Time Overall Commissioning duration is estimated to be 10 days /Station. 12.3 Vendor assistance Supervision required for the Commissioning of major equipment, i.e. Pkg"d NC Units. Supervision required for the Commissioning of the HVAC Control (if required). 12.4 Client assistance • To witness the testing.
13. COMMISIONING REQUIREMENT 13.1 Verification Ensure that the equipment is available for Commissioning. Ensure that all HVAC Commissioning check sheets have been completed, witnessed and signed off by all parties. Check that all associated Elect I Instrument commissioning check sheets associated with the HVAC equipment has been completed, witnessed and signed off by all have parties . Check all the items on the compiled punch list have been agreed to, witnessed and signed off by all parties.
14. COMMISSIONING PREPARATION 14.1 Electrical Preparation (Pre commissioning completed)
Commissioning procedure for HVAC WORKS
All HVAC equipment and Control is provided with the Incoming Supply, Cables are Merged and the properly terminated. Earthing is completed. Space around the Control or the PAC units is clean and free from any kind of temporary electrical arrangements. Power Supply is Available. Power supply from LVDB is available. Check and ensure I confirm the Correctness of the power from the isolator top unit. Check and ensure I confirm the equal phase representation in each power wiring conduit. Check and ensure I confirm the wiring to the starter free size, Voltage and correct phase rotation. Check and ensure I confirm if the Direction of the rotation of the supply fan is adequate. Disconnect all temporary power cords, replace all fuses, connect motor leads, and make final electrical inspection. Power up the HVAC Control . If any temporary power supply is installed ensure that an emergency push button is available to stop in case of any emergency. In case of using temporary power for pre-commissioning I commissioning, contractor shall provide UPS Systems and ensure the power quality so that the equipment installed under these project are safeguarded without any premature failures or any internal damage to the equipment 14.2Instrumentation Preparation (Pre commissioning completed) All HVAC equipment and Control is installed. Instrumentation earthing is completed. Interface with the F&G Marshaling cabinet is fully functional; if not the tests should be simulated or to be partially postpone when the F&G system is ready to interface ESD temporary push button is to be installed near the units to simulate /stop the units in case of emergency shutdown, if in case of ESD system is not ready 14.3Mechanical Preparation (Pre commissioning completed) Ensure all doors and windows have been installed and correctly installed, providing wind and water tight conditions within, with no obvious open paths directly to atmosphere. Ensure all false ceiling and floors, and internal partitions have been correctly installed. Ensure the area(s) of concern are clean from dust and debris. Install barriers and warning signs around the test area. Personnel access should be limited to minimize interruption during air balancing.
15. COMMISSIONING STEP BY STEP
Commissioning procedure for HVAC WORKS
15.1Method The objective of the HVAC Commissioning is to make the individual equipment ready for Commissioning of the overall HVAC systems. The following tests will be carried out during commissioning . 15.2 Work Permit Before commencing any work on site confirm that a valid, Permit to Work" (Hot I Cold Work permit as applicable) is available for the task to be undertaken and that all pre-job safety talks (Toolbox) have been completed. Ensure that, Warning" notices have been posted. 15.3 Pkg'd A/C Units All the Pkg"d units are located properly. Check and ensure I confirm the v-belt alignment by wooden edge and correct belt tension. Check and ensure I confirm the insulation resistance of the motor and power cable by 500V Megger and record the values. Check and ensure I confirm the free rotation and direction of the blower fans. Check and ensure I confirm the airflow is as per design. Check and ensure I confirm the current consumption is as per design. Check and ensure I confirm that there is no undue noise around the unit. Check and ensure I confirm the noise level at lm distance from Pkg"d A/C unit. Carry out air balancing as per design. 15.4 Exhaust Fans All explosion proof extract fans are located properly. Check the insulation resistance of the motor(s) and power cable by 500V Megger and record the values. Check and ensure I confirm the free rotation and direction of the extract fans. Check and ensure I confirm the airflow is as per design. Check and ensure I confirm the current consumption is as per design. Check and ensure I confirm that there is no undue noise around the unit. Check and ensure I confirm the noise level at 1m distance from fan. Carry out air balancing as per design. Check and ensure I confirm if the rotating Equipments rotates in the correct direction 15.5HVAC Motorized Control Dampers Check and ensure I confirm the, OPEN/CLOSED “position by energizing the power if control is available, if not it will be simulated. Check and ensure I confirm the free movement of blades I control linkages and extent of closure of control damper. Check and ensure I confirm limit switch operation if control is available, if not it will be simulated.
15.6 HVAC Gas-Tight Damper Check and ensure I confirm the, OPEN “position by energizing the power if control is available, if not it will be simulated.
Commissioning procedure for HVAC WORKS Check and ensure I confirm the free movement of blades I control linkages and extent of closure of control damper. Check and ensure I confirm limit switch operation if control is available, if not it will be simulated.
15.7 HVAC Control Check and ensure I confirm sequence of operation as per HVAC Cause and Effect Diagram. 16. PROTECTION OF EQUIPMENT 'DURING AND AFTER' COMMISSIONING 16.1 Protection Ensure electrical equipments are protected against rain and water ingress, especially those items located externally and not normally exposed to the ambient condition s. Ensure no mechanical damage due to other activities on site. Ensure that all, hot works" that are carried out in the vicinity of any HVAC equipment , should have the necessary protection in place to ensure that no damage to the equipment or paint finish. Ensure that the equipment are protected properly from dust ingress. Check and ensure I confirm that Equipment provided is in compliance with the required Protection ratings/ certifications.
Commissioning procedure for HVAC WORKS
17. COMMISSIONING PROCEDURE CHECKLIST ATTACHMENT 'B'
17.1 GENERAL CHECKLIST Project No.:
I Tag No.:
Observation Sr.No. Description Check and ensure I confirm the location , 1 elevation orientation and that the equipment is correct aligned. 2 Check and ensure I confirm for any apparent signs of shipping I rigging damage.(if applicable record details) 3 Check and ensure I confirm all the damp are opened. 4 Check and ensure/confirm that all the duct work connections have the correct gaskets installed. 5 Check and ensure I confirm all the condenser /blower fans rotate freely and in the correct direction. 6 Check and ensure I confirm that the equipment is internally cleaned and all foreign objects removed. Check and ensure I confirm the blower v7 COMMISSIONING RECORD SHEET belt alignment and tension (if applicable). Check and ensure I confirm the filter is 8 clean Check and ensure I confirm that an L.V 9 control circuit has been properly isolated from HV power circuits. 10 Check and ensure I confirm that L.P and H.P switches are connected correctly.
I
Date: Signature
Commissioning procedure for HVAC WORKS
COMMISSIONING RECORD SHEET 17.2 ROOF TOP PACKAGED UNIT Location: Date:
Weather condition: Time:
Commissioning procedure for HVAC WORKS Tag no: Ambient temperature: Instrument used:
Equipment: Manufacturer: KW (Cooling): Volt:
RH:
Model no: Refrigerant:
Measured power supply: Measured phase to neutral: Full load amps : Operational data
°c
RY = RN = Ll =
Suction pressure (PSIG)
Phase: YB= YN= L2=
Discharge pressure (PSIG)
Cycle: RB= BN=
NE= L3=
Measured Amperes (A) LI
L2
Rated Amperes (A)
L3
Compressor # 1 Compressor # 2 Condenser fan motor #1 Condenser fan motor #2 Blower fan motor #1 Functional Test of Control and Safety Device Item Description 1 Air Flow Switch 2 Crankcase Heaters 3 Temperature Sensor 4 Low Pressure Safety Cut out-LP1 5
Low Pressure Safety Cut out-LP2
6
High Pressure Safety Cut outHP1 High Pressure Safety Cut outHP2 Check and ensure/confirm change over between package in duty and in standby if it is available. Check and ensure/confirm Trip Alarm Signal in the Package unit
7
8 9
Observation
Signature
Date
Commissioning procedure for HVAC WORKS 10
Check and ensure/confirm Alarm Signal to the BMS / DCS (if Applicable) Package Unit Trip Simulation due to following: A, Low Pressure B, High Pressure C, Phase Failure D, Low Air Flow (If Applicable) Check and ensure/ confirm that all package units will be off when any fire damper is closed.
11
12
REMARKS:
DATE
NAME
SIGNATURE
Accepted by
Carried out by Subcontractor/Vendor TPI QP
COMMISSIONING RECORD SHEET 17.3 ROOF TOP PACKAGED UNIT
Performance Test (Compressor) Location: Date: Model no :
Weather condition: Time : Ambient temperature: °c
RH:
Commissioning procedure for HVAC WORKS Instrument used : Type : Qty : 2Nos Manufacturer: Tag no : Power supply:
Made in:
Measured power supply#l: RY = Measured power supply#l: RY = Rated amps : Measured Amps
YB= YB=
RB= RB=
Compressor #1 Ll; Compressor#2 Ll:
L1= L1=
L2= L2=
L3=
STARTER Qty: Type: Manufacturer: REMARKS: DATE
Made in:
REMARKS:
DATE
NAME
SIGNATURE
Accepted by
Carried out by Subcontractor/Vendor TPI QP
COMMISSIONING RECORD SHEET 17.4 ROOF TOP PACKAGED UNIT Performance Test — (Condenser Fan Motor) Location: Date: Tag no :
Weather condition : Time: Ambient temperature: °c
RH:
Commissioning procedure for HVAC WORKS Instrument used : Equipment: Condenser Fan MotorMotor Type: Manufacturer: MfgNo :
Made in:
Power supply : Measured power supply:
Condenser Fan Motor # Condenser Fan Motor # RY = YB= RB= RB=
Rated amps : Measured Amps: Condenser Fan Motor # Condenser Fan Motor # STARTER Type:
Ll= Ll=
Overload setting: Overload range: Coil volt: Manufacturer:
L2= L2=
L3= L3=
Made in
REMARKS:
DATE
NAME
SIGNATURE
Accepted by
Carried out by Subcontractor/Vendor TPI QP
COMMISSIONING RECORD SHEET 17.5 ROOF TOP PACKAGED UNIT Performance Test - (Evaporator Section) Location: Weather condition: Date: Time: Tag no : Ambient temperature : °c Instrument used: Equipment: BLOWER-No Type:
RH :
Commissioning procedure for HVAC WORKS Manufacturer: Mfg No: Motor - No's
Made in:
Type: Manufacturer : Mfg No: Power supply: Measured power supply:
Made in: Condenser Fan Motor #1 :
RY = Rated amps: Measured Amps Blower Fan Motor #1 STARTER .Type: Overload setting: Overload range : Coil volt: Manufacturer:
Ll=
YB= L2=
RB= L3=
Made in:
REMARKS:
DATE
NAME
SIGNATURE
Accepted by
Carried out by Subcontractor/Vendor TPI QP
COMMISSIONING RECORD SHEET 17.6 EXHAUST FAN Location: Date : Tag no : Instrument used: Equipment: Manufacturer: Volt: Measured power supply: Measured phase to neutral: Full load amps:
Weather condition: Time: Ambient temperature:
°c
Model no : Phase:
Cycle:
RY = RN = L1 = L1 =
YB = YN = L2 = L2 =
RH
BN = L3 = L3 =
RB = NE =
Commissioning procedure for HVAC WORKS Operational data
Design Airflow
Measured Airflow
Measured Amperes (A) Ll
L2
Rated Amps
L3
REMARKS:
NAME
DATE
SIGNATURE
Accepted by
Carried out by Subcontractor/Vendor TPI QP
COMMISSIONING RECORD SHEET 17.7 ROOM AIRBALANCING Project No: Room No
Diff Tag No
Diff Type
Equipment ref: Diff Size (mm)
Design Ai Flow (l/s)
Date Actual Air Flow (l/s)
Deviation (%)
Remarks
Commissioning procedure for HVAC WORKS
Comments
REMARKS:
DATE
NAME
SIGNATURE
Accepted by
Carried out by Subcontractor/Vendor TPI QP
COMMISSIONING RECORD SHEET 17.8 AIR DISTRIBUTION REPORT SUPPLY AIR: Room Reference
Tag No.
Type
Size
TOTAL
RETURN AIR:
Final Air Design Air Initial Air Flow(LPS) Flow(LPS) Flow(LPS)
Percentage of Design
Remarks
Commissioning procedure for HVAC WORKS Room Tag Referenc No. e
Type
Size
Design Air Initial Air Final Air Flow(LPS) Flow(LPS) Flow(LPS)
Percentage of Design
Remarks
TOTAL Note: The allowable actual airflow tolerance shall be ± 10%
REMARKS:
NAME
DATE
SIGNATURE
Accepted by
Carried out by Subcontractor/Vendor TPI QP
COMMISSIONING RECORD SHEET
17.9 TESTING & AIR BALANCING (TRAVERSE) DATA SHEET EQUIPMENT NO:
DESIGN AIR FLOW
ACTUAL AIR FLOW
DEVIATION
REMARKS
TOTAL SUPPLY AIR QTY TOTAL RETURN AIR QTY TOTAL FRESH AIR QTY TOTAL EXHAUST AIRQTY
SUPPLY(m/s): 1 A B c D TOTAL
2
3
4
5
6
7
8
9
Commissioning procedure for HVAC WORKS RETURN AIR(m/s): A B c D TOTAL FRESH AIR (m/s): A B c D TOTAL EXHAUST AIR(m/s): A B c D TOTAL SUPPLY AIR TOTAL VELOCITY READING(m/s) AVERAGE VELOCITY
(m/s) DUCT AREA (Sq.m) TOTAL AIR QUANTITY (m/s)
RETURN AIR
FRESH AIR
EXTRACT AIR
Commissioning procedure for HVAC WORKS
REMARKS:
DATE
NAME
SIGNATURE
Accepted by
Carried out by Subcontractor/Vendor TPI QP
COMMISSIONING RECORD SHEET 17.10 INDOOR/OUTDOOR CLIMATIC REPORT Room Numbe r
Room Servin g
Temperature(°C) 1st reading
2nd reading
Room Humidity (%)
Room Remarks Pressure(Pa)
Commissioning procedure for HVAC WORKS
REMARKS:
DATE
NAME
SIGNATURE
Accepted by
Carried out by Subcontractor/Vendor TPI QP
18. JOB SAFETY ANALYSIS • Attached 19. REFERENCE DRAWINGS Sr.No. 1
Drawing Title Building services drawing index
Drawing No. 3729-MGDW2-9-00-0001
2
STN, W2-LER BLDG, Schematic Flow Diagram
3729-MGDW2-9-HE-0001
3 4 5 6 7
STN, W2-LER BLDG, HVAC Equipment Schedule HVAC Miscellaneous Details STN, W2-LER BLDG, HVAC Sections STN, W2-LER BLDG, ARCH. GR.FL.Plan STN, W2-LER BLDG, ARCH. Roof Plan
3729-MGDW2-9-30-0001 3729-MGDW2-9-HA-0001 3729-MGDW2-9-HD-0001 3729-MGDW2-9-AK-0001 3729-MGDW2-9-AK-0002
Commissioning procedure for HVAC WORKS
8
STN, W2-LER BLDG, ARCH. Section Details
3729-MGDW2-9-AK-0004
20. ABBREVATIONS
o o o o o o o o o o o o o o o o
ASHRAE- American Society of Heating Refrigeration and Air conditioning Engineers VA- Volt- Ampere VT -Voltage Transformer CT - Current Transformer HVAC- Heat Ventilation and Air Conditioning PLC -Programmable Logic Controller HMI- Human Machine Interface PACU- Package Air Conditioning Unit RH- Relative Humidity Temp -Temperature LVDB- Low Voltage Distribution Board MSDB -Main Station Distribution Board F&G - Fire and Gas AFC -Approved for Construction VCD- Volume Control Damper MVD -Motorized Volume Control Damper
o o o o o o
S.A - Supply Air R.A - Return Air F.A -Fresh Air Comp - Compressor DP -Differential Pressure PDT -Pressure Differential Transmitter
EPIC FOR GAS SUPPLY TO RAS ABOU FONTAS (RAF) POWER STATIONS
DOCUMENT TITLE :
Commissioning Procedure for HVAC System CONTRACTOR:
MEDGULF REF : MJ-593
18-Jan-15
1
ISSUED FOR APPROVAL
MF
HS
JPS
22-Dec-14
0
ISSUED FOR REVIEW / COMMENTS
MF
HS
JPS
DATE
REV. NO.
REASON FOR REVISION
PREPARED
CHECKED
APPD.
DOCUMENT NO:
3729
-
MGDGE
-
5
-
019
-
0004
SHT
01
OF
18
APPD. Q.P.
REV
1
Commissioning procedure for HVAC WORKS
Table of Contents
1.0
PURPOSE 3
2.0
PRE-COMMISSIONING REQUESTS
3
2.1 GENERAL 2.2 WORK PERMIT 2.3 SPECIAL TOOLS AND TEST INSTRUMENTS 2.4 CONSUMABLES 2.5 SAFETY AD ENVIRONMENTAL 3.0
PRE-COMMISSIONING3 3.1 SUMMARY 3.2 AIM OF PRE-COMMISSIONING PROCEDURE 3.3 DESCRIPTION 3.4 TEMPORARY EQUIPMENT/FACILITIES 3.5 SPECIAL PRECAUTIONS
4.0
PRE-COMMISSIONING PLANNING
3
4.1PLANNING TASKS 4.2 PRE-COMMISSIONING DURATION TIME 4.3 VENDORASSISTANCE 4.4 CLIENT ASSISTANCE 5.0
SAFETY RESPONSIBILITIES
3
5.1 GENERAL 5.2 SAFETY MEASURES TO BE FOLLOWED 6.0
PRECOMMSSIONING STEP-BY-STEP
4
6.1 lNSTALLATION VERIFICATIONS Package AIC unit's installation verifications Ductwork installations verifications Volume Control Dampers installation verification Motorized Control Dampers installation Verification Gas-Tight Damper installation Verification Fire Dampers installation Verification Exhaust Fans installation Verifications HVAC Control installation verifications (if Applicable) 6.2 ELECTRICAL AND INSTRUMENTATION VERIFICATIONS 6.3 CONTROL VERIFICATIONS (IF PROVIDED) 7.0
PROTECTION OF EQUIPMENTS DURING AND AFTER PRECOMMISSIONING
7.1 PROTECTION 8.0
POST CONDITIONS
6
9.0
DOCUMENTATION
9
4
Commissioning procedure for HVAC WORKS 9.1 PROJECT DRAWINGS 10.0 HVAC PRE-COMMISSIONING CHECK LIST 10 10.1 HVAC, GENERAL 10.2 HVAC, DUCTING 10.3 HVAC, MOTORIZED VOLUME CONTROL DAMPER 10.4 HVAC, GAS-TIGHT DAMPER 10.5 HVAC, VOLUME CONTROL DAMPER. 10.6 HVAC, CONTROL 10.7 HVAC, ROOF TOP PACKAGED UNIT 10.8 HVAC, EXHAUST FAN 11.0 COMMISIONING PROCEDURE
10
11.1 SUMMARY 11.2 AlM OF COMMISSIONING PROCEDURE 11.3 DESCRIPTION 11.4 TEMPORARY EQUIPMENT /FACILITIES 11.5 SPECIAL PRECAUTIONS 11.6 PRE-REQUISITES General Pre-Commissioning Achievements Status of other Dependent Sub-System I Facilities Special Tools and Test Instruments Consumables Safety and Environmental Utilities
12.0 PLANNING
10
12.1 PLANNING TASKS 12.2 COMMISSIONING DURATION TIME 12.3 VENDOR ASSISTANCE 12.4 CLIENT ASSISTANCE 13.0 COMMISSIONING REQUIREMENT
10
13.1 VERIFICATION 14.0 COMMISSIONING PREPARATION
10
14.1 ELECTRICAL PREPARATION (PRE COMMISSIONING COMPLETED) 14.2 INSTRUMENTATION PREPARATION (PRE COMMISSIONING COMPLETED) 14.3 MECHANICAL PREPARATION (PRE COMMISSIONING COMPLETED) 15.0 COMMISIONING STEP BY STEP 10 15.1 METHOD 15.2 WORK PERMIT 15.3 PKG"D A/C UNITS 15.4 EXHAUST FANS 15.5 HVAC MOTORIZED CONTROL DAMPERS 15.6 HVAC GAS-TIGHT DAMPER 15.7 HVAC CONTROL
Commissioning procedure for HVAC WORKS 16.0 PROTECTION OF EQUIPMENT ’DURING AND AFTER’ COMMISSIONING
10
16.1 PROTECTION 17.0 COMMISIONING PROCEDURE CHECK LIST 10 ATTACHMENT 'B' 17.1 GENERAL CHECK LIST 17.2 ROOF TOP PACKAGED UNIT 17.3 ROOF TOP PACKAGED UNIT (COMPRESSOR) 17.4 ROOF TOP PACKAGED UNIT (CONDENSOR FAN MOTOR) 17.5 ROOF TOP PACKAGED UNIT (EVAPORATOR SECTION) 17.6 EXHAUST FAN 17.7 ROOM AIR BALANCING 17.8 AIR DISTRIBUTION REPORT 17.8 INDOOR/OUTDOOR CLIMATIC REPORT 17.9 TESTING AND AIR BALANCING (TRANSVERSE) DATA SHEET 17.10 INDOOR/OUTDOORCLIMATIC REPORT 18.0 JOB SAFETY ANALYSIS
10
19.0 REFERENCE DRAWINGS
10
20.0 ABBREVIATIONS
1.
PURPOSE •
2.
10
The purpose of this Document is to describe the methodology for the commissioning of HVAC System under Project GC09107200.
PRE-COMMISSIONING REQUISITES Commissioning activities are to be carried out under direct supervision of manufacturer’s representative and QP Personal.
2.1 General • • • •
Gather and ensure that the relevant information and documentation required for Pre commissioning at the latest version . AFC copies are available. Mechanical completion certificate for the system/ subsystem shall be a prerequisite for proceeding to Pre-Commissioning activities. Personnel present for pre-commissioning are wearing the appropriate PPE.
2.2 Work Permit Before commencing any work on site confirm that a valid permit to Work (Hot I Cold Work Permit as Applicable) is Available for the task to be undertaken and all pre-job Safety Talks (Toolbox) have been Completed .
2.3 Special Tools and Test Instruments • Normal hand tool set. • Electrical tool set.
Commissioning procedure for HVAC WORKS • Refrigeration gauge and manifold set. • Vacuum pump set. • Electrical Multi-meter. • Insulation resistance meter (Megger) (if required). • Tachometer (if required). • Clamp meter. • Sound level meter (if required). • Hood flow meter. • Digital manometer. • Temperature and Relative Humidity meter • Soap Water Can (Leak detection of refrigerant pipes) NB: Current calibration certificates (which ever required) for all electrical test equipment shall be available for inspection by QP.
2.4 Consumables • • •
Gas (Nitrogen and R-407c) as required. Lithium grease. Compressor lubricating oil.
2.5 Safety and Environmental All pre-commissioning to be in accordance with relevant safety, Permit to Work" system(as applicable). • Only authorized personnel shall be allowed into areas where HVAC Pre Commissioning is taking place. Barriers to be erected around all installation areas and warning notices are to be posted on the •
barriers. 3. PRE-COMMISSIONING 3.1 Summary The purpose of the Pre Commissioning procedure is to ensure that the specific HVAC systems of EPIC FOR GAS SUPPLY TO RAS ABOU FONTAS (RAF) POWER STATIONS are properly installed according to the approved project specifications, construction drawings and materials. Further this procedure ensures to confirm and comply with QP standards for precommissioning. 3.2 Aim of Pre-Commissioning Procedure To provide guidance to the Pre-Commissioning team as per standard practice, namely: ASHRAE and I or CIDSE Pre-Commissioning Guides. DW/143. To provide a sequential list of methods to be applied to HVAC equipment on site.
3.3 Description
Commissioning procedure for HVAC WORKS
• • • • • •
Pre-Commissioning of Rooftop Package units. Pre-Commissioning of Extract Fans. Pre-Commissioning of HVAC Control (Provided if any). Pre-Commissioning of HVAC related Motorized Control Dampers and Fire Dampers. Pre-Commissioning of HVAC related Gas-Tight Damper Pre-Commissioning of HVAC related Volume Control Dampers
3.4 Temporary Equipment I Facilities • Scaffolding. • Self-ing ladders. • Temporary barriers I Warning Sign Boards ETC, (if Required)
3.5 Special Precautions • Barriers to be erected at entrance to areas under Pre-Commissioning.. • Fire Extinguishers will be placed During the Activities. NB: Fire watcher will be in attendance as and when required 4.0 PRE-COMMISSIONING PLANNING
4.1 Planning Tasks • As per QP requirement. 4.2 Vendor assistance
• Supervision required for the Pre-Commissioning of major equipment, i.e. Pkg"d A/C Units. • Supervision required for the Pre-Commissioning of the Control . Client assistance
• To witness the testing.
5. SAFETY RESPONSIBILITIES 5.1 General • Safety shall be adhered during Pre-commissioning I Commissioning and Testing of equipments, Thus the following responsibilities and duties shall be abide during the process of works.
5.2 Safety Measures to be followed • Safety Representatives I Worksite Supervisor to shall ensure that the work permit for pre commissioning or commissioning I Testing Process for HVAC Works is in line with the scope of work I Approved by the HSE Plan. • Check the Installation Conformity to the design Drawings and Specifications prior to precommissioning or Commissioning. • All Necessary approved PPE Shall be provided and worn at all times. • Sufficient Illumination shall be provided in Pre commissioning or commissioning/Testing
Commissioning procedure for HVAC WORKS Process area while working at night. • Before the process of Commissioning I Testing, please display Warning Signboards as necessary and barricade the restricted area. • Safety Personnel shall conduct a t walk through/inspection with testing personnel to familiarize them with system to be tested to identify any potential hazards. • Proper and safe means of access & aggress shall be provided and maintained for all personnel in order to carry out inspection and testing of other dependent Subsystem as well.
6. PRE-COMMISSIONING STEP-BY-STEP 6.1 Installation Verifications: 6.1.1Package A/C unit's installation verifications: • Check • Check • Check • Check • Check • Check • Check • Check • Check • Check • Check • Check • Check • Check • Check • Check • Check • Check • Check • Check • Check • Check • Check • Check • Check • Check • Check • Check • Check • Check • Check • Check
6.1.2
all equipment for installation are as per the design and manufacturer's recommendations equipments interior and exterior are clean and free of debris unit interior and exterior is free of any damage none of the components are damaged adequate clearance provided for service and maintenance leveling of the Units are proper anti vibration mounting pads are in place. shipping bolts of the compressor are to be removed all electrical components, starters, fuses are in place. thermostats are installed and connected all power and control terminations are proper and secure. for Service space availability around the units. the drain connections are to the nearest floor drain the unit doors to be air tight anti vibration mounting have correct location the filters are provided Coil fins are straight and free of obstructions. Compressor Oil level checked Fan rotation smooth for unit grounding motor bearing are properly lubricated wheel clearance and balance are checked motor & blower bearing are properly lubricated condenser Fan rotation smooth compressor is free from physical damage all piping connections and instruments are complete and tight alignment of compressors is verified all electrical connection and devices are complete & operational for the Labeling of the Equipment. for the level of drain pan. the drive belt guard is securely fitted Fan accessories are available and installed
Ductwork installations verifications: • Check quality and size of ducts. • Check for the Duct s
Commissioning procedure for HVAC WORKS • • • • • • • • •
Check Check Check Check Check Check Check Check Check
for the alignment of the installed ducts for the access doors as per approved drawings for proper sealing of ts with sealant. for flexible connections of the units duct routing/size as per drawing the duct and hangers are secured & plumbs the duct liners proper fixing duct internal clean and no foreign matters left inside location of momentary test point for air balancing.
6.1.3Volume Control Dampers installation verification: • • • • •
Check for Volume control damper dimensions. Check the dampers(blade/shaft) for free of movement Check location of installation of the volume control damper Check for the sealing of connection with ducts. Check for the Labeling of the VCDs.
6.1.4Motorized Control Dampers installation Verification: • • • • • • • • •
Check for the motorized dampers dimensions Check for the motorized dampers location Check the dampers(blade/shaft) for free of movement Check for the damper level Check for the sealing of connection with ducts. Check for the Labeling of the Motorized Dampers Check the actuator operations Check air flow direction is correct Check fail safe feature of damper
6.1.5Gas-Tight Dampers installation Verification: Check for the gas-tight dampers dimensions Check for the location of installation of the gas-tight damper. Check the actuator operation Check and the Leakage rate with respect to the specification Check for the sealing of connection with ducts. Check for the installation/erection criteria of manufacturer such as (in prior) a) Service hatch must be provided and it must be located on the ’clean’ side of the valve b) The valve must be kept in closed position until the installation is completed C) The valve should be lifted using at least two lifting points • Check for the labeling of the gas tight dampers • • • • • •
6.1.6 Fire Dampers installation Verification: • Check for the mechanical linkage of fire dampers. • Check for the location of installation of the fire damper. • Check for the Labeling of the Fire Dampers
Commissioning procedure for HVAC WORKS • Check the actuator operation (MSFD Only) • Check fire damper is encased properly in wall, ensure that there are no gapes between damper casing and wall for fire /gas/smoke ages. 6.1.6 Extract Fans installation Verifications: • All Extract fans are installed as per the HVAC layout specifications. • Check and ensure I confirm the free rotation and direction of the extract fans. • Check and ensure I confirm the identification tags have been fixed properly. 6.1.7 HVAC Control installation verifications (if Applicable): • Control is located in the specified /designated area. • All cable terminations to and from the Control and any associated HVAC Junction boxes are to be checked individually. • Check and ensure I confirm that s provided are in compliance with the required protection ratings I certifications. • Check and ensure I confirm that s are provided with adequate access/platform and space for operation and maintenance • Check and ensure I confirm that the Control is free from any installation transportation Damage, if any found has to be recorded. • Check and ensure I confirm the Control is properly tagged and labeled. • Check and ensure I confirm the is self-explanatory in of tagging or indications. • Check and ensure I confirm and ensure I confirm the is properly ventilated and has proper exhaust. • Check and ensure I confirm that the Proper space between two s has been provided. If wall mounted check that the is properly fixed and the proper ground has been provided. 6.2 Electrical and Instrumentation Verifications: • Check and ensure I confirm all the Power and Control cables connected with the System s h o u l d carry out the insulation resistance test and all the values to be recorded in the check list provided. • Check and ensure I confirm that all the Power and Control cables are suitably tagged for identification. • The incoming power cables to the unit isolators and to the control are properly tightened and are within the specified torque values. • Check and ensure I confirm that all the cables are routed through the proper cable trays and trunks. • Check and ensure I confirm that all the Cable trays and trunks are suitably grounded. • Check and ensure I confirm that the cables are suitably glanded, and the glands have been grounded with their check nuts. • All the Units, Exhaust fans, Control , Motorized Control Damper and Isolators should be properly grounded. • All the Instruments (Provided if any) Such as Temperature transmitters, humidity transmitters , pressure transmitters, Differential pressure transmitters and other instruments, should be provided with the instrument earthing and the signal cables should be a shielded. • Check and ensure I confirm if temperature sensor/transmitters (if provided) in the ducts are properly fixed and suitably glanded i n s i d e the ducts. • Wiring free from abrasion, kinks and sharp corners. • All the Differential pressure switches to monitor the filters are installed and the respective hoses are suitably fixed to the unit filters.
Commissioning procedure for HVAC WORKS • Air flow switches are installed at the correct position to identify the airflow. • All the Motorized actuators are properly terminated and tagged. • The Package A/C units wiring and cabling has been carried out with respect to the drawings provided by the Manufacturer. • All the Compressors, Solenoid valves, Condenser fans, Supply fan, Blower are properly tagged and Terminated to the local control station of the Units. • All the Motors should be grounded properly. 6.3 Control Verifications (if provided) • The HVAC Control has been provided to overall control & Monitor the HVAC system. • Check and ensure I confirm that s provided are in compliance with the required Protection ratings I certifications. • Check and ensure I confirm that s are provided with the "As Built I As Manufactured" drawings I wiring diagrams (fixed inside the ). • Check and ensure I confirm that the control is properly installed and free from damages. • Ensure that the General Arrangement is as per the Approved Drawings or as per the Q.P Specifications. • Check and ensure I confirm that is FAT/ TPI approved (if Applicable). • Check and ensure I confirm that the internal loop test has been carried out and is up to the mark. • Check and ensure I confirm that the IP protection of the is as per specifications. • Control internal arrangement is as per the Approved drawings. • Relays, ors, and other switchgear items inside the are suitably tagged, ease for maintenance. • B.O. Q of the Control is as per the Drawings. • PLC/DDC Controllers are mounted in the ensure the wiring is carried out as per the specifications of the manufacturer. • All the Feed backs from the field are properly terminated with the Loop test carried out earlier and is reported. • All the outputs are at the proper voltage levels and are terminated at the designated points. • Sensors/Transmitters are properly terminated and are shielded. • Check and ensure I confirm that AC/DC power is properly tagged and identified. 7. PROTECTION OF EQUIPMENTS DURING AND AFTER PRE-COMMISSIONING 7.1 Protection: • Ensure electrical equipments are protected against rain and water ingress, especially those items located externally and not normally exposed to the ambient conditions. • Ensure no mechanical damage due to other activities on site. • Ensure that the equipment are protected properly from dust ingress. • Ensure that all ,hot works" that are carried out in the vicinity of any HVAC equipment , should have the necessary protection in place to ensure that no damage to the equipment or paint finish.
8. POST CONDITIONS Equipment released for next phase of testing (Commissioning)
Commissioning procedure for HVAC WORKS
9. DOCUMENTATION
9.1 Project Drawings Sr.No. 1
Drawing Title Building services drawing index
Drawing No. 3729-MGDW2-9-00-0001
2
STN, W2-LER BLDG, Schematic Flow Diagram
3729-MGDW2-9-HE-0001
3 4 5 6 7
STN, W2-LER BLDG, HVAC Equipment Schedule HVAC Miscellaneous Details STN, W2-LER BLDG, HVAC Sections STN, W2-LER BLDG, ARCH. GR.FL.Plan STN, W2-LER BLDG, ARCH. Roof Plan STN, W2-LER BLDG, ARCH. Section Details
3729-MGDW2-9-30-0001 3729-MGDW2-9-HA-0001 3729-MGDW2-9-HD-0001 3729-MGDW2-9-AK-0001 3729-MGDW2-9-AK-0002 3729-MGDW2-9-AK-0004
8
Commissioning procedure for HVAC WORKS
10. HVAC PRE-COMMISSIONING CHECK SHEET LIST ATTACHMENT 'A'
PRE COMMISIONING CHECK LIST HVAC 10.1 HVAC GENERAL FORM: GENERAL TASK LOCATION ESTIMATED TIME(MH) : Subsystem ITEM
CHECKLIST
Commissioning procedure for HVAC WORKS 1 Check and ensure I confirm that all relevant Engineering & Vendor drawings are listed and submitted as per table 10.1 of this procedure and all these drawings are of latest revisions. (Status as a minimum shall be AFC). Check and ensure I confirm that the location, elevation Orientation and that the equipment is correct and aligned. Check ensure I confirm for any apparent signs of shipping I rigging damage.(if applicable record and details) Check ensure I confirm that all the dampers are opened
1
2 3 4 5 6 7 8 9 10 11
Check that all the duct work connections have the correct gaskets installed Check and ensure I confirm that all the condenser /blower fans rotate freely and in the correct direction Check and ensure I confirm that the equipment is internally cleaned and all foreign objects removed Check and ensure I confirm the blower v-belt alignment and tension ( if applicable) Check and ensure I confirm the filter is clean Check and ensure I confirm that the LV control circuits been Properly isolated from the HV power circuits. Check and ensure I confirm that the L.P and H.P switches are Connected correctly.
REMARKS:
NAME
DATE
SIGNATURE
Accepted by
Carried out by Subcontractor/Vendor TPI QP
FORM :DUCT WORK TASK LOCATION ESTIMATED TIME(MH) : Subsystem ITEM
CHECKLIST
1
Check and ensure I confirm compliance with all relevant drawings
OK
NOT OK
NOT APPLICABLE
REMARKS
Commissioning procedure for HVAC WORKS 2
3
4
5
6
7
8
9
10
11
12
13
14
Check and ensure I confirm that installation protocol is available and the equipment is cleared for Pre- Commissioning Check and ensure I confirm visual appearance for damage, proper finish and workmanship Check and ensure I confirm the location, elevation, orientation and that the equipment is correctly aligned correctly aligned. Check and ensure I confirm inside ductwork for Cleanliness, i.e. dust and debris. Check and ensure I confirm that Test Holes are provided, and that plugs or covers are fitted as well. Check and ensure I confirm that access doors are sealed Around the whole periphery and properly fastened. Check and ensure I confirm that mechanical protection , i.e. external cladding is correctly installed and surface is Damage free i.e. large dents. Check and ensure I confirm that bird screens/ external louvers are correctly installed and properly fastened Check and ensure I confirm that the earth and bonding are in accordance with the project specification. Check and ensure I confirm that ductwork identification is installed and clearly visible. Check and ensure I confirm that access for maintenance and inspection (if required). Check and ensure I confirm ductwork wall, slab and floor Penetration integrity for condition of reinstatement. Produce a defects list for issue in the Punch list
Commissioning procedure for HVAC WORKS
REMARKS:
DATE
Accepted by
Carried out by Subcontractor/Vendor TPI . QP
NAME
SIGNATURE
Commissioning procedure for HVAC WORKS
FORM: Motorized Volume Control Damper TASK LOCATION ESTIMATED TIME(MH) : Subsystem ITE M
CHECKLIST Pretest Condition
1
2
1 2 3
4
5
6
7
8 9 10 11 12
Check and ensure I confirm Compliance with all relevant drawings. Check and ensure I confirm that installation protocol is available and the equipment is cleared for PreCommissioning. Visual Inspection-ObservationAdjustment Nameplate details are complete and correct Check and ensure I confirm that the ,Tag No" is correct Check and ensure I confirm that the equipment is as Per the project specifications the construction drawings. Check and ensure I confirm the location, elevation, Orientation and that the equipment is correctly aligned. Check and ensure I confirm that the mounting arrangement is correct and that the and gaskets to connecting ductwork are installed Check and ensure I confirm that the earth and bonding are in accordance with the project specification. Check and ensure I confirm the ’OPEN ‘position b y Energizing the 24v power. Repeat the operation a few times Check and ensure I confirm limit switch operation (simulate) Produce a defects list for issue in the Punch list Have good maintenance access for dampers and their actuators. To be sure arrow indication are available at damper actuators to refer for close and open positions.
OK
NOT OK
NOT APPLICABLE
REMARKS
Commissioning procedure for HVAC WORKS REMARKS:
DATE
Accepted by
Carried out by Subcontractor/Vendor TPI QP
NAME
SIGNATURE
Commissioning procedure for HVAC WORKS FORM: GAS-TIGHT DAMPER TASK LOCATION ESTIMATED TIME(MH) : Subsystem ITE M
CHECKLIST Pretest Condition
1
2
1 2 3
4
5
6
7
8 9
10 11
Check and ensure I confirm Compliance with all relevant drawings. Check and ensure I confirm that installation protocol is available and the equipment is cleared for PreCommissioning. Visual Inspection-ObservationAdjustment Nameplate details are complete and correct Check and ensure I confirm that the ,Tag No" is correct Check and ensure I confirm that the equipment is as Per the project specifications the construction drawings. Check and ensure I confirm the location, elevation, Orientation and that the equipment is correctly aligned. Check and ensure I confirm that the mounting arrangement is correct and that the and gaskets to connecting ductwork are installed Check and ensure I confirm that the earth and bonding are in accordance with the project specification. Check the mode of operation of actuator, controlled either electronically from the control center or manually using the hand wheel. For change of operation see instructions later in this manual. Repeat the operation a few times Check and ensure I confirm the default position is open, and it is set at the factory. Produce a defects list for issue in the Punch list. Have good maintenance access for dampers and their actuators.
OK
NOT OK
NOT APPLICABLE
REMARKS
Commissioning procedure for HVAC WORKS REMARKS:
FORM: Volume Control Damper Carried out by Accepted by
Subcontractor/Vendor TASK LOCATION ESTIMATED TIME(MH) TPI : Subsystem QP ITEM CHECKLIST 1
2
13 1 2 3
4 5 6 7 8
9
10
11 12
NAME
DATE
OK
NOT OK
NOT APPLICABLE
SIGNATURE
REMARKS
Pretest Condition Check and ensure I confirm compliance with all relevant Drawings. Check and ensure I confirm that installation protocol is available and the equipment is cleared for Pre-commissioning. To be sure arrow indication are Visual Inspectionavailable at damper actuators to Observation- Adjustment refer Nameplate details are complete and correct. Check and ensure I confirm the, Tag No" is correct. Check and ensure I confirm that the equipment is as per the project specifications the construction drawings. Check and ensure I confirm all Shipping stops, bracing and packing is removed. Check and ensure I confirm visual appearance for proper finish and workmanship. Check and ensure I confirm movement of control linkages. Check and ensure I confirm operation of quadrant locking handle. Check and ensure I confirm that the mounting arrangement is correct and that the and gaskets to connecting ductwork are installed. Check and ensure I confirm that the earth and bonding are in accordance with the project specification. Check and ensure I confirm the location, elevation, orientation and that the equipment is correctly aligned. Check and ensure I confirm that access for maintenance and inspection(if required) Produce a defects list for issue in the Punch list.
.
Commissioning procedure for HVAC WORKS REMARKS:
Accepted by
FORM: HVAC Control (if Applicable) Carried out by TASK LOCATION Subcontractor/Vendor ESTIMATED TIME(MH) :
DATE OK
Subsystem ITEM 1
2
1 2
TPI CHECKLIST QP Pretest Condition
Check and ensure I confirm compliance with all relevant drawings. Check and ensure I confirm that installation protocol is available and the equipment is cleared for Pre-Commissioning. Visual InspectionObservation- Adjustment Nameplate details are complete and correct. Check and ensure I confirm that installation protocol is available and the equipment is cleared for Pre-Commissioning.
3
Check and ensure I confirm that the equipment is as per the project specifications the construction drawings.
4
Check and ensure I confirm the location, elevation, orientation and that the equipment is correctly aligned .
NAME NOT OK
NOT APPLICABLE
SIGNATURE REMARKS
Commissioning procedure for HVAC WORKS
5
6 7 8
9
Check and ensure I confirm that earthing has been done as per the project specification. Check and ensure I confirm that the cable termination is correct. Check and ensure I confirm that the is not damaged. Check and ensure I confirm that all wiring diagram are kept inside the drawing pocket in the control . Produce a defects list for issue in the Punch list.
REMARKS:
Commissioning procedure for HVAC WORKS
NAME
DATE
SIGNATURE
Carried out by Accepted by
Subcontractor/Vendor TPI QP
FORM: Roof Top Packaged Unit TASK LOCATION ESTIMATED TIME(MH) : Subsystem ITEM 1
2
1 2 3
4
5
6
CHECKLIST Pretest Condition Check and ensure I confirm compliance with all relevant Drawings. Check and ensure I confirm that installation protocol is available and the equipment is cleared for Pre-commissioning Visual InspectionObservation- Adjustment Name plate details are complete and correct. Check and ensure I confirm that the, Tag No" is correct. Check and ensure I confirm that the equipment is as per the Vendor's drawings. Check and ensure I confirm that the location, elevation, orientation and that the equipment is correctly aligned Check and ensure I confirm for any apparent signs of shipping I Rigging damage. Check and ensure I confirm that the holding down arrangement is correct .
OK
NOT OK
NOT APPLICABLE
REMARKS
Commissioning procedure for HVAC WORKS 7
8
9
Check and ensure I confirm that the cooling coil fins are properly combined. Check and ensure I confirm that the condenser I blower fans rotate freely and in the correct direction. Check and ensure I confirm that all ductwork connections have the correct gaskets installed
10
Check and ensure I confirm that the equipment is internally cleaned.
11
Check and ensure I confirm that drain trap connection is correct and ensure I confirm the Check blower v-belt alignment and tension (if applicable) Check and ensure I confirm that the filter is clean. Check and ensure I confirm that the equipment has the correct Voltage and the adequacy of power wiring for the capacity.
12
13 14
15
16
17
18
19
20
Check and ensure I confirm the insulation resistance of the motor (if applicable) Check and ensure I confirm the insulation resistance of the power cable. Check and ensure I confirm that the LV control circuits are properly isolated from the HV power circuits. Check and ensure I confirm that the LP and HP switches are connected correctly. Check and ensure I confirm that the all associated field control devices are correctly installed (airflow switches, room stat, temp stat, etc.). Check and ensure I confirm for the Utility water line is available on the Roof for the Drain water.
Commissioning procedure for HVAC WORKS 21 22
23
24
25
26
27
28
29
30
31
32
33
34
Check and ensure I confirm the U Trap Availability. Check and ensure I confirm all units Functional Location Tags Are available. Check and ensure I confirm Documents and Drawings of the Equipments are available Check and ensure I confirm that the lubricating oil and consumables are filled up to the required level and the condition of the same is good
Check and ensure I confirm that the accessories and piping associated with the systems are properly ed I guided. Check and ensure I confirm that the equipment is accessible to reach access doors and operable for operation and maintenance Check and ensure I confirm that staircase access I platform and space provided are adequate enough for operation and maintenance. Check and Ensure I Confirm that the relevant unit drawings are available. Check and Ensure I Confirm that package unit Control Wires are tagged properly. Check and Ensure I Confirm that package unit Control parts are tagged Properly. Check and Ensure I Confirm all functional locations for package units inlet and outlet dampers are available. Check and Ensure I Confirm good maintenance access for all package units and their parts Check and Ensure I Confirm utility water line is available in roof Check and ensure I Confirm U trap pipe
Commissioning procedure for HVAC WORKS 35
Check and ensure/ confirm availability of all compressors
REMARKS:
NAME
DATE
SIGNATURE
Carried out by Accepted by
Subcontractor/Vendor TPI QP
FORM: Exhaust Fans TASK LOCATION ESTIMATED TIME(MH) : Subsystem ITEM 1 2
1 2 3
4
5
CHECKLIST Pretest Condition Check and ensure I confirm compliance with all relevant Drawings. Check and ensure I confirm that installation protocol is available and the equipment is cleared for Pre-Commissioning . Visual Inspection-ObservationAdjustment Nameplate details are complete and correct. Check and ensure I confirm that the ,Tagthat No" the is correct. Check equipment is as per the vendors' drawings and project specifications. Check and ensure I confirm the location, elevation, orientation and that the equipment is correctly aligned. Check and ensure I confirm for any apparent signs of shipping I rigging damage. (If applicable record details).
OK
NOT OK
NOT APPLICABLE
REMARKS
Commissioning procedure for HVAC WORKS 6
Check and ensure I confirm that the mounting arrangement is correct and that the and gaskets to connecting ductwork are installed.
7
Check and ensure I confirm that the earth and bonding are in accordance with the project Specification.
8
Check and ensure I confirm that the equipment has the correct voltage and the adequacy of power Wiring for the capacity. Check and ensure I confirm the free rotation of the fan motor and impeller. Check and ensure I confirm the airflow direction Check and ensure I confirm insulation resistance of the motor (If applicable).
9
10 11
12
Check and ensure I confirm insulation resistance of the power cable.
Commissioning procedure for HVAC WORKS
REMARKS:
DATE
Accepted by
Carried out by Subcontractor/Vendor TPI QP
NAME
SIGNATURE
Commissioning procedure for HVAC WORKS
11. COMMISIONING PROCEDURE
Commissioning procedure for HVAC WORKS 11.1 Summary The purpose of the Commissioning procedure is to ensure that the specific HVAC systems of EPIC FOR G A S SUPPLY TO RAS ABU FONTAS (RAF) POWER STATIONS STN.W2-LER BUILDING are properly installed and Operational according to the approved project specifications, Construction drawings, Cause and effect and Operational Philosophy. All required action for the punch list items generated in the previous stages shall have been completed prior to proceeding to the next stage of commissioning. List of updated and consolidated punch list shall be submitted. Further this procedure ensures to confirm and comply with QP standards 11.2 Aim of Commissioning Procedure
To provide guidance to the Commissioning team as per standard practice, namely: ASHRAE and I or CIBSE Commissioning Guides. DW/143. To provide a sequential list of methods to be applied to HVAC equipments on site.
11.3 Description • Commissioning of Rooftop Package units. • Commissioning of Extract fans. • Commissioning of HVAC Control (if provided). 11.4 Temporary Equipment I Facilities • Scaffolding. • Self-ing ladders. • Temporary barriers I Warning Sign Boards, Etc. 11.5 Special Precautions • Barriers to be erected at entrance to areas under Commissioning. NB: Fire watcher will be in attendance as and when required. 11.6 Pre-requisites 11.6.1 General: • Gather and ensure that the relevant information and document ation required for Commissioning is at the latest version. • AFC Copies are available. • Portable Fire Extinguishers are in place • Power Supply is available • Barriers have been erected • Personnel attending the commissioning are wearing the appropriate PPE
Commissioning procedure for HVAC WORKS
11.6.2 Pre-Commissioning Achievements: • HVAC Pre-Commissioning checks and Punch lists (if any) completed (in conjunction with QA/QC). • Electrical Pre-Commissioning checks and Punch list (if any) are completed • Instrumentation Pre-commissioning checks and Punch list (if any) are completed. • Mechanical Commissioning checks and Punch list (if any) are completed. • PSSA of Dedicated subsystem issued (All punch list ,A" Cleared) • RFC of Dedicated Subsystem already signed (No Punch list ,A" remaining) 11.6.3 Status of other Dependent Sub-System I Facilities The following sub-systems shall be commissioned and should be available for HVAC system commissioning. a. LV mains power Distribution board should be commissioned; if not the HVAC system shall utilize the temporary power provided. b. UPS System is to be commissioned (if applicable); if not the PLC System shall Utilize the temporary power provided. c. F & G system to be commissioned to generate the Cause and Effect; if not the cause and effect will be simulated manually. d. ESD trip signal to HVAC equipments (if applicable); if not will be simulated externally by means of a temporary pu sh button near by the each units. e. Condensate drain line is connected. f. Earthing is completed. 11.6.4 Special Tools and Test Instruments: • Norma l hand tool set. • Electrical tool set. • Refrigeration gauge and manifold set. • Vacuum pump set. • Electrical Multi-meter. • Insulation resistance meter (Megger) (if required). • Tachometer (if required). • Clamp meter. • Sound level meter (if required) • Hood flow meter. • Digital manometer. • Temperature and Relative Humidity meter. 12.6.5 Consumables: • Gas (Nitrogen and R-407c) as required. • Lithium grease. • Compressor lubricating oil. • Temporary Filters
Commissioning procedure for HVAC WORKS 11.6.5 Consumables: • Gas (Nitrogen and R-407c) as required. • Lithium grease. • Compressor lubricating oil. 11.6.6 Safety and Environmental: All commissioning to be in accordance with relevant Job safety Analysis procedure and ,,Permit to work" system (as applicable). Only authorized personnel shall be allowed into areas where HVAC Commissioning is taking place. Barriers to be erected around all installation areas and warning notices are to be posted on the barriers 11.6.6 Utilities: • Availability of fire extinguishers suitable for electrical fires. 12. PLANNING 12.1 Planning Tasks • As per QP requirement. 12.2 Commissioning Duration Time Overall Commissioning duration is estimated to be 10 days /Station. 12.3 Vendor assistance Supervision required for the Commissioning of major equipment, i.e. Pkg"d NC Units. Supervision required for the Commissioning of the HVAC Control (if required). 12.4 Client assistance • To witness the testing.
13. COMMISIONING REQUIREMENT 13.1 Verification Ensure that the equipment is available for Commissioning. Ensure that all HVAC Commissioning check sheets have been completed, witnessed and signed off by all parties. Check that all associated Elect I Instrument commissioning check sheets associated with the HVAC equipment has been completed, witnessed and signed off by all have parties . Check all the items on the compiled punch list have been agreed to, witnessed and signed off by all parties.
14. COMMISSIONING PREPARATION 14.1 Electrical Preparation (Pre commissioning completed)
Commissioning procedure for HVAC WORKS
All HVAC equipment and Control is provided with the Incoming Supply, Cables are Merged and the properly terminated. Earthing is completed. Space around the Control or the PAC units is clean and free from any kind of temporary electrical arrangements. Power Supply is Available. Power supply from LVDB is available. Check and ensure I confirm the Correctness of the power from the isolator top unit. Check and ensure I confirm the equal phase representation in each power wiring conduit. Check and ensure I confirm the wiring to the starter free size, Voltage and correct phase rotation. Check and ensure I confirm if the Direction of the rotation of the supply fan is adequate. Disconnect all temporary power cords, replace all fuses, connect motor leads, and make final electrical inspection. Power up the HVAC Control . If any temporary power supply is installed ensure that an emergency push button is available to stop in case of any emergency. In case of using temporary power for pre-commissioning I commissioning, contractor shall provide UPS Systems and ensure the power quality so that the equipment installed under these project are safeguarded without any premature failures or any internal damage to the equipment 14.2Instrumentation Preparation (Pre commissioning completed) All HVAC equipment and Control is installed. Instrumentation earthing is completed. Interface with the F&G Marshaling cabinet is fully functional; if not the tests should be simulated or to be partially postpone when the F&G system is ready to interface ESD temporary push button is to be installed near the units to simulate /stop the units in case of emergency shutdown, if in case of ESD system is not ready 14.3Mechanical Preparation (Pre commissioning completed) Ensure all doors and windows have been installed and correctly installed, providing wind and water tight conditions within, with no obvious open paths directly to atmosphere. Ensure all false ceiling and floors, and internal partitions have been correctly installed. Ensure the area(s) of concern are clean from dust and debris. Install barriers and warning signs around the test area. Personnel access should be limited to minimize interruption during air balancing.
15. COMMISSIONING STEP BY STEP
Commissioning procedure for HVAC WORKS
15.1Method The objective of the HVAC Commissioning is to make the individual equipment ready for Commissioning of the overall HVAC systems. The following tests will be carried out during commissioning . 15.2 Work Permit Before commencing any work on site confirm that a valid, Permit to Work" (Hot I Cold Work permit as applicable) is available for the task to be undertaken and that all pre-job safety talks (Toolbox) have been completed. Ensure that, Warning" notices have been posted. 15.3 Pkg'd A/C Units All the Pkg"d units are located properly. Check and ensure I confirm the v-belt alignment by wooden edge and correct belt tension. Check and ensure I confirm the insulation resistance of the motor and power cable by 500V Megger and record the values. Check and ensure I confirm the free rotation and direction of the blower fans. Check and ensure I confirm the airflow is as per design. Check and ensure I confirm the current consumption is as per design. Check and ensure I confirm that there is no undue noise around the unit. Check and ensure I confirm the noise level at lm distance from Pkg"d A/C unit. Carry out air balancing as per design. 15.4 Exhaust Fans All explosion proof extract fans are located properly. Check the insulation resistance of the motor(s) and power cable by 500V Megger and record the values. Check and ensure I confirm the free rotation and direction of the extract fans. Check and ensure I confirm the airflow is as per design. Check and ensure I confirm the current consumption is as per design. Check and ensure I confirm that there is no undue noise around the unit. Check and ensure I confirm the noise level at 1m distance from fan. Carry out air balancing as per design. Check and ensure I confirm if the rotating Equipments rotates in the correct direction 15.5HVAC Motorized Control Dampers Check and ensure I confirm the, OPEN/CLOSED “position by energizing the power if control is available, if not it will be simulated. Check and ensure I confirm the free movement of blades I control linkages and extent of closure of control damper. Check and ensure I confirm limit switch operation if control is available, if not it will be simulated.
15.6 HVAC Gas-Tight Damper Check and ensure I confirm the, OPEN “position by energizing the power if control is available, if not it will be simulated.
Commissioning procedure for HVAC WORKS Check and ensure I confirm the free movement of blades I control linkages and extent of closure of control damper. Check and ensure I confirm limit switch operation if control is available, if not it will be simulated.
15.7 HVAC Control Check and ensure I confirm sequence of operation as per HVAC Cause and Effect Diagram. 16. PROTECTION OF EQUIPMENT 'DURING AND AFTER' COMMISSIONING 16.1 Protection Ensure electrical equipments are protected against rain and water ingress, especially those items located externally and not normally exposed to the ambient condition s. Ensure no mechanical damage due to other activities on site. Ensure that all, hot works" that are carried out in the vicinity of any HVAC equipment , should have the necessary protection in place to ensure that no damage to the equipment or paint finish. Ensure that the equipment are protected properly from dust ingress. Check and ensure I confirm that Equipment provided is in compliance with the required Protection ratings/ certifications.
Commissioning procedure for HVAC WORKS
17. COMMISSIONING PROCEDURE CHECKLIST ATTACHMENT 'B'
17.1 GENERAL CHECKLIST Project No.:
I Tag No.:
Observation Sr.No. Description Check and ensure I confirm the location , 1 elevation orientation and that the equipment is correct aligned. 2 Check and ensure I confirm for any apparent signs of shipping I rigging damage.(if applicable record details) 3 Check and ensure I confirm all the damp are opened. 4 Check and ensure/confirm that all the duct work connections have the correct gaskets installed. 5 Check and ensure I confirm all the condenser /blower fans rotate freely and in the correct direction. 6 Check and ensure I confirm that the equipment is internally cleaned and all foreign objects removed. Check and ensure I confirm the blower v7 COMMISSIONING RECORD SHEET belt alignment and tension (if applicable). Check and ensure I confirm the filter is 8 clean Check and ensure I confirm that an L.V 9 control circuit has been properly isolated from HV power circuits. 10 Check and ensure I confirm that L.P and H.P switches are connected correctly.
I
Date: Signature
Commissioning procedure for HVAC WORKS
COMMISSIONING RECORD SHEET 17.2 ROOF TOP PACKAGED UNIT Location: Date:
Weather condition: Time:
Commissioning procedure for HVAC WORKS Tag no: Ambient temperature: Instrument used:
Equipment: Manufacturer: KW (Cooling): Volt:
RH:
Model no: Refrigerant:
Measured power supply: Measured phase to neutral: Full load amps : Operational data
°c
RY = RN = Ll =
Suction pressure (PSIG)
Phase: YB= YN= L2=
Discharge pressure (PSIG)
Cycle: RB= BN=
NE= L3=
Measured Amperes (A) LI
L2
Rated Amperes (A)
L3
Compressor # 1 Compressor # 2 Condenser fan motor #1 Condenser fan motor #2 Blower fan motor #1 Functional Test of Control and Safety Device Item Description 1 Air Flow Switch 2 Crankcase Heaters 3 Temperature Sensor 4 Low Pressure Safety Cut out-LP1 5
Low Pressure Safety Cut out-LP2
6
High Pressure Safety Cut outHP1 High Pressure Safety Cut outHP2 Check and ensure/confirm change over between package in duty and in standby if it is available. Check and ensure/confirm Trip Alarm Signal in the Package unit
7
8 9
Observation
Signature
Date
Commissioning procedure for HVAC WORKS 10
Check and ensure/confirm Alarm Signal to the BMS / DCS (if Applicable) Package Unit Trip Simulation due to following: A, Low Pressure B, High Pressure C, Phase Failure D, Low Air Flow (If Applicable) Check and ensure/ confirm that all package units will be off when any fire damper is closed.
11
12
REMARKS:
DATE
NAME
SIGNATURE
Accepted by
Carried out by Subcontractor/Vendor TPI QP
COMMISSIONING RECORD SHEET 17.3 ROOF TOP PACKAGED UNIT
Performance Test (Compressor) Location: Date: Model no :
Weather condition: Time : Ambient temperature: °c
RH:
Commissioning procedure for HVAC WORKS Instrument used : Type : Qty : 2Nos Manufacturer: Tag no : Power supply:
Made in:
Measured power supply#l: RY = Measured power supply#l: RY = Rated amps : Measured Amps
YB= YB=
RB= RB=
Compressor #1 Ll; Compressor#2 Ll:
L1= L1=
L2= L2=
L3=
STARTER Qty: Type: Manufacturer: REMARKS: DATE
Made in:
REMARKS:
DATE
NAME
SIGNATURE
Accepted by
Carried out by Subcontractor/Vendor TPI QP
COMMISSIONING RECORD SHEET 17.4 ROOF TOP PACKAGED UNIT Performance Test — (Condenser Fan Motor) Location: Date: Tag no :
Weather condition : Time: Ambient temperature: °c
RH:
Commissioning procedure for HVAC WORKS Instrument used : Equipment: Condenser Fan MotorMotor Type: Manufacturer: MfgNo :
Made in:
Power supply : Measured power supply:
Condenser Fan Motor # Condenser Fan Motor # RY = YB= RB= RB=
Rated amps : Measured Amps: Condenser Fan Motor # Condenser Fan Motor # STARTER Type:
Ll= Ll=
Overload setting: Overload range: Coil volt: Manufacturer:
L2= L2=
L3= L3=
Made in
REMARKS:
DATE
NAME
SIGNATURE
Accepted by
Carried out by Subcontractor/Vendor TPI QP
COMMISSIONING RECORD SHEET 17.5 ROOF TOP PACKAGED UNIT Performance Test - (Evaporator Section) Location: Weather condition: Date: Time: Tag no : Ambient temperature : °c Instrument used: Equipment: BLOWER-No Type:
RH :
Commissioning procedure for HVAC WORKS Manufacturer: Mfg No: Motor - No's
Made in:
Type: Manufacturer : Mfg No: Power supply: Measured power supply:
Made in: Condenser Fan Motor #1 :
RY = Rated amps: Measured Amps Blower Fan Motor #1 STARTER .Type: Overload setting: Overload range : Coil volt: Manufacturer:
Ll=
YB= L2=
RB= L3=
Made in:
REMARKS:
DATE
NAME
SIGNATURE
Accepted by
Carried out by Subcontractor/Vendor TPI QP
COMMISSIONING RECORD SHEET 17.6 EXHAUST FAN Location: Date : Tag no : Instrument used: Equipment: Manufacturer: Volt: Measured power supply: Measured phase to neutral: Full load amps:
Weather condition: Time: Ambient temperature:
°c
Model no : Phase:
Cycle:
RY = RN = L1 = L1 =
YB = YN = L2 = L2 =
RH
BN = L3 = L3 =
RB = NE =
Commissioning procedure for HVAC WORKS Operational data
Design Airflow
Measured Airflow
Measured Amperes (A) Ll
L2
Rated Amps
L3
REMARKS:
NAME
DATE
SIGNATURE
Accepted by
Carried out by Subcontractor/Vendor TPI QP
COMMISSIONING RECORD SHEET 17.7 ROOM AIRBALANCING Project No: Room No
Diff Tag No
Diff Type
Equipment ref: Diff Size (mm)
Design Ai Flow (l/s)
Date Actual Air Flow (l/s)
Deviation (%)
Remarks
Commissioning procedure for HVAC WORKS
Comments
REMARKS:
DATE
NAME
SIGNATURE
Accepted by
Carried out by Subcontractor/Vendor TPI QP
COMMISSIONING RECORD SHEET 17.8 AIR DISTRIBUTION REPORT SUPPLY AIR: Room Reference
Tag No.
Type
Size
TOTAL
RETURN AIR:
Final Air Design Air Initial Air Flow(LPS) Flow(LPS) Flow(LPS)
Percentage of Design
Remarks
Commissioning procedure for HVAC WORKS Room Tag Referenc No. e
Type
Size
Design Air Initial Air Final Air Flow(LPS) Flow(LPS) Flow(LPS)
Percentage of Design
Remarks
TOTAL Note: The allowable actual airflow tolerance shall be ± 10%
REMARKS:
NAME
DATE
SIGNATURE
Accepted by
Carried out by Subcontractor/Vendor TPI QP
COMMISSIONING RECORD SHEET
17.9 TESTING & AIR BALANCING (TRAVERSE) DATA SHEET EQUIPMENT NO:
DESIGN AIR FLOW
ACTUAL AIR FLOW
DEVIATION
REMARKS
TOTAL SUPPLY AIR QTY TOTAL RETURN AIR QTY TOTAL FRESH AIR QTY TOTAL EXHAUST AIRQTY
SUPPLY(m/s): 1 A B c D TOTAL
2
3
4
5
6
7
8
9
Commissioning procedure for HVAC WORKS RETURN AIR(m/s): A B c D TOTAL FRESH AIR (m/s): A B c D TOTAL EXHAUST AIR(m/s): A B c D TOTAL SUPPLY AIR TOTAL VELOCITY READING(m/s) AVERAGE VELOCITY
(m/s) DUCT AREA (Sq.m) TOTAL AIR QUANTITY (m/s)
RETURN AIR
FRESH AIR
EXTRACT AIR
Commissioning procedure for HVAC WORKS
REMARKS:
DATE
NAME
SIGNATURE
Accepted by
Carried out by Subcontractor/Vendor TPI QP
COMMISSIONING RECORD SHEET 17.10 INDOOR/OUTDOOR CLIMATIC REPORT Room Numbe r
Room Servin g
Temperature(°C) 1st reading
2nd reading
Room Humidity (%)
Room Remarks Pressure(Pa)
Commissioning procedure for HVAC WORKS
REMARKS:
DATE
NAME
SIGNATURE
Accepted by
Carried out by Subcontractor/Vendor TPI QP
18. JOB SAFETY ANALYSIS • Attached 19. REFERENCE DRAWINGS Sr.No. 1
Drawing Title Building services drawing index
Drawing No. 3729-MGDW2-9-00-0001
2
STN, W2-LER BLDG, Schematic Flow Diagram
3729-MGDW2-9-HE-0001
3 4 5 6 7
STN, W2-LER BLDG, HVAC Equipment Schedule HVAC Miscellaneous Details STN, W2-LER BLDG, HVAC Sections STN, W2-LER BLDG, ARCH. GR.FL.Plan STN, W2-LER BLDG, ARCH. Roof Plan
3729-MGDW2-9-30-0001 3729-MGDW2-9-HA-0001 3729-MGDW2-9-HD-0001 3729-MGDW2-9-AK-0001 3729-MGDW2-9-AK-0002
Commissioning procedure for HVAC WORKS
8
STN, W2-LER BLDG, ARCH. Section Details
3729-MGDW2-9-AK-0004
20. ABBREVATIONS
o o o o o o o o o o o o o o o o
ASHRAE- American Society of Heating Refrigeration and Air conditioning Engineers VA- Volt- Ampere VT -Voltage Transformer CT - Current Transformer HVAC- Heat Ventilation and Air Conditioning PLC -Programmable Logic Controller HMI- Human Machine Interface PACU- Package Air Conditioning Unit RH- Relative Humidity Temp -Temperature LVDB- Low Voltage Distribution Board MSDB -Main Station Distribution Board F&G - Fire and Gas AFC -Approved for Construction VCD- Volume Control Damper MVD -Motorized Volume Control Damper
o o o o o o
S.A - Supply Air R.A - Return Air F.A -Fresh Air Comp - Compressor DP -Differential Pressure PDT -Pressure Differential Transmitter
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