engineering department enen enen it4070/en/lhc design, supply, installation, testing and...

Engineering DepartmentEN

IT4070/EN/LHC

Design, Supply, Installation, Testing and Commissioning

of an HVAC Systems the for SR8 Facility

Bidder’s conference – 28th November 2014

Y. Body / EN-CV

INTRODUCTION• CERN• SR8 Facility

NEW VENTILATION SYSTEMTENDER DOCUMENTS• Technical Specification• Annex 1: Technical Requirements for HVAC• Annex 2: Technical Requirements for Instrumentation• Annex 3: Technical Requirements for Electricity• Annex 4: Technical Requirements for Identification• Annex 5: Technical Requirements for Testing,

Inspection and Commissioning an HVAC Installation

INTRODUCTION: CERN

INTRODUCTION: SR8 Facility

INTRODUCTION: SR8 Facility – Former ventilation system

• Two AHUs: one in R-401 and one in R-403• R-402 Alcove used for decompression

R-401R-403

NEW VENTILATION SYSTEM

• Two AHUs: one in R-401 and one in R-403• R-402 Alcove used for decompression

R-401, R-403 alcoves

• Air Handling Unit• Sepcial shape part between AHU

and mixing chamber including the air tight access door

• Return air grille (UQGN)• Fresh air intake (UQCF)• Fresh air damper (UVUM)• Return air damper (UVUM)• Pre-filtration (UFPZ)

R-402 alcove

• Exhaust air grille (UQCF)• Exhaust air grille (UQGA)• Exhaust air dampers (UVUM)• Opening closure

TENDER DOCUMENTS: Technical Specification – Items supplied by CERN

CERN will provide the control software based on the I/O list and functional analysis provided by the Contractor

TENDER DOCUMENTS: Technical Specification – Design criteria and conditions

TENDER DOCUMENTS: Technical Specification – Applicable Standards, Rules, Regulations

• Halogen forbiden• Possible derogation for very small parts• AHUs: total amount of halogeneted material to

be indicated in the tender

TENDER DOCUMENTS: Technical Specification – Responsibility for the Design

TENDER DOCUMENTS: Technical Specification – Documentation

Including power and control cubicles schematics

TENDER DOCUMENTS: Technical Specification – Delivery schedule

TENDER DOCUMENTS: Technical Specification – Tests

1. I/O testing with basic PLC standard software suite (done by the Contractor)• Power available in the cubicles and all equipment cabled to the PLCs• Supplier able to charge the basic PLC configuration and test all I/Os from within the

software 2. I/O testing with CERN software (done by CERN with presence of Contractor)• Test report from phase one validated by CERN• Setup of instrumentation is finished (scaling of analog probes, pressostats, …)• All hardware responding to commands• Contractor able to force all I/Os electrically

3. Functional testing with CERN software (done by CERN with presence of Contractor)

• All hardware and instrumentation operating according to specifications (failsafe positions on dampers, electrical equipment protections all working, etc)

• Ability to run the units and test regulation loops 4. Commissioning (done by CERN with the presence of Contractor)

• Installation able to work at the design envelope conditions (nominal flow and power, …)

TENDER DOCUMENTS: Annex 1 – Panel of the AHUs

TENDER DOCUMENTS: Annex 1 – Measuring section

TENDER DOCUMENTS: Annex 1 – Electrical heaters

TENDER DOCUMENTS: Annex 1 – Chilled water coils

• Copper pipe with a thickness of 0.89mm allowed• Given the existing room dimensions, higher air

velocity allowed (<3m/s)

NEW VENTILATION SYSTEMTENDER DOCUMENTS• Technical Specification• Annex 1: Technical Requirements for HVAC• Annex 2: Technical Requirements for

Instrumentation• Annex 3: Technical Requirements for Electricity• Annex 4: Technical Requirements for Identification• Annex 5: Technical Requirements for Testing,

Inspection and Commissioning an HVAC Installation• Annex 6: DQE

TENDER DOCUMENTS: Annex 2 – Instrumentation

Inspection and Commissioning an HVAC Installation• Annex 6: DQE

TENDER DOCUMENTS: Annex 3 – Electricity

NEW VENTILATION SYSTEMTENDER DOCUMENTS• Technical Specification• Annex 1: Technical Requirements for HVAC• Annex 2: Technical Requirements for Instrumentation• Annex 3: Technical Requirements for Electricity• Annex 4: Technical Requirements for

Identification• Annex 5: Technical Requirements for Testing,

TENDER DOCUMENTS: Annex 4 – Identification

TENDER DOCUMENTS: Annex 5 – Tests and Inspection performed on Contractor’s Premises

As per section 4.3.1 of the Technical Specification

Thank you for your attention!

engineering department enen enen it4070/en/lhc design, supply, installation, testing and...

technical requirements

hvac annex

sr8 facility slide

sr8 facility r

instrumentation annex

electricity annex

identification annex

new ventilation system

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