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Status of SNOLAB Development. Fraser Duncan SNOLAB Workshop 4 Oct 2008. SNOLAB. Surface Facility. 2km overburden (6000mwe) ‏. Muon Flux = 0.27/m 2 /day. Underground Laboratory. MEI & HIME astro/ph 0512125. Fraser Duncan. SNOLAB Workshop 4-5 Oct 2008. SNOLAB. Existing

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Presentation Transcript
slide1

Status of

SNOLAB Development

Fraser Duncan

SNOLAB Workshop

4 Oct 2008

snolab
SNOLAB

Surface

Facility

2km

overburden

(6000mwe)‏

Muon Flux = 0.27/m2/day

Underground

Laboratory

MEI & HIME astro/ph 0512125

Fraser Duncan

SNOLAB Workshop 4-5 Oct 2008

snolab1
SNOLAB

Existing

SNO Facility

Fraser Duncan

SNOLAB Workshop 4-5 Oct 2008

snolab2
SNOLAB

Phase I

Existing

SNO Facility

Utility

Area

- Chiller

- Generator

Relocate

-Lab Entry

-Personnel Facilities

Fraser Duncan

SNOLAB Workshop 4-5 Oct 2008

snolab3
SNOLAB

Phase II

Phase I

Existing

SNO Facility

Utility

Area

- Chiller

- Generator

Relocate

-Lab Entry

-Personnel Facilities

laboratory space
Laboratory Space

Fraser Duncan

SNOLAB Workshop 4-5 Oct 2008

construction underground
Construction (Underground)‏
  • Project Management: by Acres (now Hatch Energy) – Satish Bhan Project Manager.
  • Engineering: Design – Hatch Energy; Geotechnical – Itasca; Excavation - Macintosh.
  • Excavation: Contracted to J.S.Redpath Ltd.
    • Phase I: Began Nov 2004, completed May 2007
    • Phase II: Began Jun 2007, completed Jun 2008
    • Total excavation 6000 m2 / 39,000 m3.
  • Outfitting: Contracted to Comstock Canada Ltd with sub contracting for specialties.
    • Began Jun 2007
    • Done: Refuge station, Lab entrance
    • To Do: Completion of Utility Area (chillers, stp, fire water system); Ventilation in Ladder Labs, Cube Hall and Cryopit

Fraser Duncan

SNOLAB Workshop 4-5 Oct 2008

excavation status aug 2007
Excavation Status: Aug 2007

Fraser Duncan

SNOLAB Workshop 4-5 Oct 2008

excavation status today
Excavation Status: Today

Fraser Duncan

SNOLAB Workshop 4-5 Oct 2008

slide18

Ladder

Labs

slide27

STP

Rm

slide28

Access

Drift

next steps
Next Steps
  • Contractors
    • Finish Utility Area: Finish chiller assembly; piping to waste water plant; fire water lines to 6600L; commission chillers, STP.
    • Finish work in Experimental Areas: running water lines to Cube Hall and Cryopit; hook up electrics; Building Automation System; Fire Alarm.
  • SNOLAB
    • Fine cleaning of Personnel Area (showers, change rooms, lunch room, meeting room).
    • Fine cleaning of laboratory entrance (carwash, junction, access drift to SNO facilities).
    • Services including network Infrastructure, water pretreatment (relocation), up size 13kV power feed, ...

Fraser Duncan

SNOLAB Workshop 4-5 Oct 2008

finish line
Finish Line
  • Day 1
    • Support Facilities: Enlarged personnel area and material handling facilities.
    • Experimental Spaces: Existing SNO Cavern, Cube Hall, Ladder Labs all operated as Clean Rooms. Cube Hall and Ladder Labs will be “bare rooms” but with nearby services.
  • Day 2
    • Cryopit: Paint and fine clean.
    • South Drift: Remove old carwash and personnel facilities. Recover as experimental space.
    • Underground “clean room” machine shop.
    • Underground chemistry lab.

Fraser Duncan

SNOLAB Workshop 4-5 Oct 2008

day 1 infrastructure
Day 1 Infrastructure
  • Power Distribution
    • 2000 kVA capacity at 600V. 400A/600V services to the experimental areas except the Cryopit (deferred). Able to accommodate a future backup generator.

Future

Fraser Duncan

SNOLAB Workshop 4-5 Oct 2008

day 1 infrastructure1
Day 1 Infrastructure
  • Power Distribution

Fraser Duncan

SNOLAB Workshop 4-5 Oct 2008

day 1 infrastructure2
Day 1 Infrastructure
  • Cooling
    • 300 T (1MW) Chiller; Chilled Water Loop: 250 PSIG, 5C. Distribution to SNO Utility, Cube Hall and Cryopit.

CHILLER

Fraser Duncan

SNOLAB Workshop 4-5 Oct 2008

day 1 infrastructure3
Day 1 Infrastructure
  • Ventilation
    • Main ventilation hard ducted. Distribution into Experimental areas with soft duct. 5-10 air changes per hour. HEPA filtered.

Fraser Duncan

SNOLAB Workshop 4-5 Oct 2008

day 1 infrastructure4
Day 1 Infrastructure
  • Communications
    • Multimode 200 Mb/s capacity between surface and underground. 1 Gb/s off site.
    • Will complete a Gb/s single mode fibre link between underground and surface in the near future.

Fraser Duncan

SNOLAB Workshop 4-5 Oct 2008

day 1 infrastructure5
Day 1 Infrastructure
  • Other Services
    • Industrial water, fire water, forced drain, compressed air.
    • Ultrapure water from the SNO water purification plant.
    • LN2 supplied by transport dewar from surface.
  • Low Background Counting
    • 1 existing HPGe Gamma Counter. Requesting funds for 2 additional counters.
    • Rn/Ra Emanation (Electrostatic Counters, Radon emanation.

Fraser Duncan

SNOLAB Workshop 4-5 Oct 2008

staff
Staff
  • Staff of ~40
    • Operations: Cleaning, material handling, maintenance, lab supervision.
    • Technical Support: Plant operations, chemistry, electrical, electronics, instrumentation.
    • Design: Primarily mechanical and process systems expertise. Design work, reviews.
    • Construction: Small construction group with expertise in the SNOLAB related issues. Assists with experiment installation.
    • IT: Networking, system administration.
    • Admin: Procurement, shipping and receiving, training.

Fraser Duncan

SNOLAB Workshop 4-5 Oct 2008

experimental program
Experimental Program
  • The experimental program has concentrated on astroparticle physics but has also had submissions from other fields such as seismology and fundamental constants.
  • Requests for space are reviewed by the Experiment Advisory Committee (EAC) which makes recommendations to the Director.
    • To date 25 Letters of Interest or proposals have been submitted, 13 of which have been recommended by the EAC as appropriate for pursing for siting at SNOLAB. Of these 8 have developed mature plans to come to SNOLAB.

Fraser Duncan

SNOLAB Workshop 4-5 Oct 2008

experimental program1
Experimental Program

Unallocated

2009: DEAP/CLEAN 3600,

MiniCLEAN 360

Cube Hall

Unallocated

Cryopit

Unallocated

Utility

Drift

Phase III

Stub

Unallocated

2010: SuperCDMS

Now:PICASSO-II

Now:DEAP-1

Now:PUPS

Ladder Labs

Unallocated

SNO

Cavern

South

Drift

2009: SNO+

Personnel facilities

  • Experiments expected
  • to request space soon:
  • EXO 200 Gas
  • HALO
  • PICASSO-III

Utility

Area

beyond construction
Beyond Construction
  • With the laboratory almost complete, construction emphasis is shifting to facilitating the siting of experiments.
    • Cube Hall: Begin steel work for DEAP/CLEAN and MiniCLEAN.
    • SNO Cavern: Repair of liner floor and install of hold downs for SNO+.
    • SNO Utility Rm: Excavation of pit for SNO+ scintillator plant.
    • Renovation of South Drift, old Carwash, ...

Fraser Duncan

SNOLAB Workshop 4-5 Oct 2008

schedule
Schedule

2008

2009

Fraser Duncan

SNOLAB Workshop 4-5 Oct 2008

summary
Summary
  • Construction is almost complete!
  • Ready to begin the installation of the Day 1 experiments. Civil work can being any time in the new laboratory areas.
    • We plan to install steel in the Cube Hall at the beginning of 2009.
  • Some space has been allocated for experiments but there is still significant room available.
  • SNOLAB is open for business.

Fraser Duncan

SNOLAB Workshop 4-5 Oct 2008