Fan Coil Unit Installation
Table of contents
SCOPE AND PURPOSE
This "Method Statement" covers the on-site installation of FAN COIL UNITS (FCU) and the requirements of checks to be carried out.
REFERENCE DOCUMENTS
· Project Specifications
· Approved shop drawings (latest revision)
· Approved material submittals
GENERAL
Fan Coil Units are generally installed in locations shown in drawings, serving both in concealed and exposed areas for supplying cold, dehumidified air-conditioned space.
EQUIPMENT
· Drilling Machine
· Spirit Level
· Scaffolding
· Hand tools of Tradesmen
RESPONSIBLE PERSONNEL
· Project Engineers
· Construction In-Charge.
· Site Engineer/Site supervisor.
· QA/QC Inspectors.
· Safety officer
· Site Foremen.
· Pipefitters
· Helpers
METHOD OF PRE-INSTALLATION
- Ensure that the approved material required to carry out work is available.
- Prior to the commencement of work, the area and access will be inspected to confirm that the site is ready to commence the work
- The site engineer will check all relevant documentation and materials applicable to particular sections of work before commencement.
- Physical verification of material will be carried out for any damages prior to taking it from stores.
- The site engineer/supervisor will give necessary instructions to the tradesman and provide necessary construction/shop drawings.
- The site engineer/supervisor will also check that the tools and equipment available are in compliance with contract requirements.
- The site supervisor also explains to tradesmen regarding safety precautions to be observed.
METHOD OF INSTALLATION
- Prior to the commencement of work, coordination will be done with other services.
- Determine the position of the Fan Coil Unit on the ceiling and mark the location of supports as per the approved shop drawing.
- Prepare and fix the Fan Coil Unit supports as per the approved construction drawing and specification.
- Ensure that Vibration Isolators of the approved make, type, and model are installed.
- Install the Fan Coil Units by lifting them slowly by using suitable lifting aids (if necessary). The manufacturer's recommendations shall be followed during installation.
- Any cut edges of angles, channels, or threaded rods will be touched up with Zinc rich paint.
- Fan Coil Units will be connected with Piping Connections completely with valves and accessories as indicated in the approved shop drawing.
- Ensure that Dielectric unions are used for piping connection to FCUs.
- FCU Valve packages shall be provided with a drain pan as shown in the approved shop drawing
- Ensure that drain connections are made with an adequate slope with the running trap.
- Complete the duct connections to Fan Coil Units as shown in the approved shop drawing.
- Complete the Electrical power connection, including earthing in all respects as per the approved electrical drawing and Manufacturer's recommendations.
- Ensure that adequate space for the maintenance of fan coil units and valve package is available.
- Install the thermostat control units as per the shop drawing/ Architectural PE/SS/FM drawing.
- Complete the BMS interfacing with DDC controllers as per approved BMS drawings.
QUALITY CONTROL
- QC Engineer, along with Project Engineer and Site Supervisor, will monitor that all components are installed as per the contract specifications and approved submittals.
- Inspection Request (IR) shall be submitted to the Main Contractor/Consultant.
SAFETY
- Work will commence as per safety regulations laid down in the contract specification and project safety plan.
- Proper safety harness to be used and secured, if required.
- All personal protective equipment shall be used as appropriate according to the nature of the job.
- Housekeeping shall be of good standard and all cut lengths and debris shall be removed.
References:
MEP Planning Manual by Mr. Gulshan Kumar