FAHU - AHU

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,


Casing Leakage (-400 Pa to 700 Pa): Class B








(Spec/Standard)




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,



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.








(Spec/Standard)




TESTING


Ensure proper clearance


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


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.








(Spec/Standard)




TESTING


Access for maintenance


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


As per manufacturer's installation instructions & Method Statement

Inspection for electrical connections


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


Rotation of impeller,impeller freeness, belt alignment, all movable parts and other

parameters








(Spec/Standard)




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,

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

Documents

FAHU - AHU