fahu - ahu
DESCRIPTION
AHU Inspection checksTRANSCRIPT
Al HIKMA TOWER ITP REF. ITP/06
INSPECTION & TEST PLAN REVISION 3
FRESH AIR HANDLING UNIT INSTALLATION ISSUE DATE 12.07.2010
Revision History
Clause Revision Date Subject of Amendment
CLIENT: MAIN CONTRACTOR:
MEP CONTRACTOR:
Prepared By: Jayson F. Samia Sign: Date: Project Engineer
Reviewed & Approved By: Konudula R. Rao Sign: Date: Project Manager
CONSULTANT:
CSCEC CHINA STATE CONSTRUCTIONAL HIKMA TOWER
DA: Document ApprovalDR: Document ReviewDT: Document Transmittal
N: Notification PointH: Hold Point
S: Surveillance Point 3 of 7
INSPECTION & TEST PLANFRESH AIR HANDLING UNIT INSTALLATIONS
NO.REFERENCE DOCUMENT
ACCEPTANCE CRITERIA RESPONSIBLE
(Spec/Standard)
A Pre - Installations Check
A.1 Material Approval
A.1.1 Fresh Air Handling Unit Operating noise level
A.2 Manufacturing
A.2.1 Factory Test Report As per Acceptance Criteria
Mechanical Strenth of the Casing: Class 2A
Thermal Transmittance: Class T2
Thermal Bridge Factor: Class TB2
Filter By-pass Facor: Class F9
ACTIVITY DESCRIPTION
TESTING / INSPECTION REQUIRED
FREQUENCY of INSPECTION &
TESTING
Mechanical Specification, Division 15, Section 15850
Equipment Schedule, Complete set of units such
as mixing box, filter section, cooling coil, electric heater & fan. Additonal with Heat recovery wheel, heat pipes
and necessary empty section for access doors & return air
fan.
Equipment capacities, maximum motor H.P, static pressure as per the appoved shop
drawings and schedule of quantity.
Fan Performance rating and power consumption data
Project requirements stated in Mechanical Specification, Section 15850, Pages 1 -5
Factory / Manufacturer Acceptance Procedure,
Mechanical Specification, Division 15, Section 15850
Casing Leakage (-400 Pa to 700 Pa): Class B
CSCEC CHINA STATE CONSTRUCTIONAL HIKMA TOWER
DA: Document ApprovalDR: Document ReviewDT: Document Transmittal
N: Notification PointH: Hold Point
S: Surveillance Point 4 of 7
INSPECTION & TEST PLANFRESH AIR HANDLING UNIT INSTALLATIONS
NO.REFERENCE DOCUMENT
ACCEPTANCE CRITERIA RESPONSIBLE
(Spec/Standard)
ACTIVITY DESCRIPTION
TESTING / INSPECTION REQUIRED
FREQUENCY of INSPECTION &
TESTING
A.2.1 Factory Test Report As per Acceptance Criteria
A.3 Material Delivery
A.3.1 Material Delivery to site Visual and Physical Check Manufacturer's manual instructions
A.4 Drawing Approval
A.4.1 _ _
B Installation Procedures
B.1 Visual and Physical Check
Factory / Manufacturer Acceptance Procedure,
Mechanical Specification, Division 15, Section 15850
Mechanical Specification, Division 15, Section 15850
Assembled, or in packages, placed on closed pallets and properly marked
Clean, free from any damage components, enclosure and finish.
Shopdrawings for FAHU Installation
General Specification Sec. 01340, General C
Preparation, review and verification
General Specification, Section 01340, General C
Inspection for installation of Concrete Plinth
Particular Specification for Concrete Works
Complies to Particular Specification for Concrete Works
As per Method Statement (Concrete Works)
Vibration Isolators to be provided as per the approved requirement
Check neprene pad (base) mounted properly. Check also for tightness & and
alignment.
CSCEC CHINA STATE CONSTRUCTIONAL HIKMA TOWER
DA: Document ApprovalDR: Document ReviewDT: Document Transmittal
N: Notification PointH: Hold Point
S: Surveillance Point 5 of 7
INSPECTION & TEST PLANFRESH AIR HANDLING UNIT INSTALLATIONS
NO.REFERENCE DOCUMENT
ACCEPTANCE CRITERIA RESPONSIBLE
(Spec/Standard)
ACTIVITY DESCRIPTION
TESTING / INSPECTION REQUIRED
FREQUENCY of INSPECTION &
TESTING
B.1 Visual and Physical Check
Ensure proper clearance
B.2 Visual and Physical Check
Check for proper supports and fittings
Complete unit assembly
Heaters and coolers connections
Outlet condensate connections
Check Filters connections
Coordinated with other services
Inspection for installation of Concrete Plinth
Particular Specification for Concrete Works
Check / verify defelection under load to ensure loading is within specific range.
Inspection for complete installation of Fresh Air Handling Unit
Mechanical Specification, Division 15, Section 15850
Check mounting position, alignment and proper arrangement.
Check Duct connections as per the approved shop drawings
Check Chilled Water Pipe connections as per the approved shop drawings
Check BMS/ Fire Alarm Connections as per the approved requiement
Check the connection of Terminal output from FAHU to Fire Alarm System control
relay in normally open terminals.
CSCEC CHINA STATE CONSTRUCTIONAL HIKMA TOWER
DA: Document ApprovalDR: Document ReviewDT: Document Transmittal
N: Notification PointH: Hold Point
S: Surveillance Point 6 of 7
INSPECTION & TEST PLANFRESH AIR HANDLING UNIT INSTALLATIONS
NO.REFERENCE DOCUMENT
ACCEPTANCE CRITERIA RESPONSIBLE
(Spec/Standard)
ACTIVITY DESCRIPTION
TESTING / INSPECTION REQUIRED
FREQUENCY of INSPECTION &
TESTING
B.2 Visual and Physical Check
Access for maintenance
B.3 Visual and Physical Check
Control System connections
Rotary exchange drive unit connections
Electric supply heater connections
Connection of the protection thermostat
Earthing & grounding connections
C PRE- OPERATIONAL INSPECTION
C.1 Pre Operational Inspection Visual and Physical Check
Complete unit installation
Filter Conection in order.
Air dampers connections
Inspection for complete installation of Fresh Air Handling Unit
Mechanical Specification, Division 15, Section 15850
As per manufacturer's installation instructions & Method Statement
Inspection for electrical connections
Mechanical Specification, Division 15, Section 15850
Electrical Connections as per local electrical rules & regulations)
Conformity of the voltage and frequency of a supply network
Permisible fluctuation of the supply voltage and its frequency
As per manufacturer's installations instructions
Mechanical Specification, Division 15, Section 15850
Rotation of impeller,impeller freeness, belt alignment, all movable parts and other
parameters
CSCEC CHINA STATE CONSTRUCTIONAL HIKMA TOWER
DA: Document ApprovalDR: Document ReviewDT: Document Transmittal
N: Notification PointH: Hold Point
S: Surveillance Point 7 of 7
INSPECTION & TEST PLANFRESH AIR HANDLING UNIT INSTALLATIONS
NO.REFERENCE DOCUMENT
ACCEPTANCE CRITERIA RESPONSIBLE
(Spec/Standard)
ACTIVITY DESCRIPTION
TESTING / INSPECTION REQUIRED
FREQUENCY of INSPECTION &
TESTING
C.1 Pre Operational Inspection Visual and Physical Check
Cleaned water system
Electrical and control connections.
Insulation resistance level value.
As per Method Statement
D TESTING
D.1 Operational Test
Cooling and heating capacity
Measurements of air flow and dry
Flow measurements
Temperature measurements
As per Method Statement
Mechanical Specification, Division 15, Section 15850
Mechanical Specification, Division 15, Section 15850,
page 6
Check running current, air flow vent, vibration and
other parameters
Wet bulb temperatures of air entering and leveling the coil
Power Consumptions (measurements of incoming voltage and input current)
Sequence of opeartion on BMS Connection shall be as per the approved requirements