Confinement and Shielding: Intrabay Doors, Floor Valves and - - PowerPoint PPT Presentation

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Confinement and Shielding:

Intrabay Doors, Floor Valves and Component Transfer Hatch Pit Lids Penetration Plugs Fire Suppression system

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Critical Success Factors

Affordable – Economical design Value for money by delivering within budget and schedule Right, first time delivery during design, build, installation, testing, commissioning, and handover Meets or exceeds all minimum requirements Zero harm safety performance 2

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INTRABAY DOORS, FLOOR VALVES AND COMPONENT TRANSFER HATCH

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Project Scope

Design Manufacture and testing Delivery to ESS Installation Commissioning System acceptance trials Training

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• Constraints

– Keep-in and Keep-out zone define the boundaries of the design – Embedment's are pre-cast to support equipment Sized based on concept

• Notes

– Mounting of radiological sensors and setting to work Sensors etc are free issued – Requirements are not prescriptive. Open to discuss other ways to address the needs – As built survey to be provided during contract

• Exclusions

– No requirement for: Radiological safety system is out of scope Limited to mounting of sensors etc. free issued to the contractor SIL Thermal assessment

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Constraints/Notes/Exclusions

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Lot 3. Floor Valves

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• Purpose

– Protection of Workers outside ActCell in the High BAy – Enable docking of Cask & transfer of components into ActCell

• Two identical FVs required

(Approx 170t)

– Shielding Door with portal frame shielding

• Considerations

– Recovery system – Confinement

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Lot 3: Upper & Lower Intrabay Door

Purpose

Protection of Workers in the Maintenance Cell Enable crane movements & waste package transfer

Shield doors (~50t ea)

Pivot “flap” mechanism (upper door rotated 90º) Sliding door mechanism Locking pin for Upper Door

Considerations

Recovery Confinement

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Lot 2: Component transfer Hatch

Purpose

Protection of Workers in outside the ActC CTH performs nuclear safety function Enable transfer of small items into Cell

Major Items

Glovebox

Bagging system Transfer system Tray from cold to hot Shield doors (~4T) Hot & Cold side doors Interlocked

Considerations

Interlocking Hot and cold doors Confinement recovery

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Status & Key dates

Tender Action initiated

PQQ Published

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Key Dates PQQ: Q2 2018 Contract Award: Q1 2019 Site Access: Q2/Q3 2021 Completion: Q3/Q4 2021

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PIT LIDS & PENETRATION PLUGS

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Project Scope

Production Design, Manufacture and testing Delivery to ESS Installation SAT

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Pit Lids

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• Purpose

– Protection of Workers in

• utside the ActC
• Major Items

– 10 off Pit Lids ( 26 sub- sections) – Concrete filled Pit Lids – Steel Pit Lids

• Considerations

– Pit Cell Location features – O-ring Sealing face on external Pit Lids (WTH & PIE Cell). – Manufacturing tolerance

Concrete Filled Steel construction

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Penetration Plugs

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• Purpose
• Protection of Workers in
• utside the ActC
• Major Items

– ~42 off SS core (OD

~250mm)

– SS Cap – O-ring Sealing face

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Aperture Plug

Purpose

Protection of Workers in outside the ActC

Major Items

1 off Plug

Considerations

Installed in the Penetration Room (outside of the active cell) Equivalent to 1.3m HDC To fill aperture Removable from cold side

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Status & Key dates

Tender Action – Not Started

Pit Lid Market Enquiry Published Plugs currently work in progress

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Key Dates PQQ: Q3/Q4 2018 Contract Award: Q1/Q2 2019 Site Access: Jan 2020 Completion: Feb 2020

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FIRE SUPPRESSION SYSTEM

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Project Scope

Design Production Design, Manufacture and testing Delivery to ESS Installation Commissioning

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Concept Overview

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Purpose

ActC Asset Protection

Major Items Piping and water mist system

Conventional piping water mist system to extinguish a fire

Fire Detection in-cell

VESDA system draws air from cells to detect smoke Rate-of-heat rise sensor detects heat rise within the cell

Pump Skid

Located outside of the Active Cell, in the surrounding technical galleries. Includes, bunded skid consisting of pumps, a water tank and leak detectors

Fire Control Panel

Integrate with ESS fire safety system and utilise the infrastructure supplied by UKAEA to distribute power and signalling

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Status & Key dates

Tender Action – Not Started

Market Enquiry Published

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Key Dates Q2/Q3 2019 Contract Award: Q4 2019 Site Access: Q2/Q3 2021 Completion: Q3/Q4 2021

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• 90º

90º Pan range Tilt range 90º

• 70º

The active cells facility is a windowless hot cell operated from the remote control room. The operator views of the equipment and components in the cells are only through the Viewing System cameras. Hence the viewing system must be highly reliable and provide a combination of wide area views (safety) and operational views (inspection, process monitoring, etc.)

ESS – Active Cell Viewing System

Camera Pan & Tilt Units

• Capable of being remotely handled by the ACF

Robotic Handling system

• Capable of being mounted on wall brackets in

the cells or on moveable stands

• Pan range 90˚
• Tilt Range -70˚ 90˚

Widely varying specs based on type of view and position:

• A combination of high and low radiation

tolerant cameras, B&W and Colour

• Typical specification radiation tolerant

from 10kGy to 1MGy TID(*) (110 Gy/hr)

• Picture Resolution: from 576p to 1080p
• Zoom Range: 70º20º (diagonal FoV)
• Auto/Manual focus and iris capability

(*) Total Integration Dose over ESS lifecycle

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ESS Active Cells Fabricated Assemblies 15/06/2018

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RACE-ESS-TEM-0038

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Fabricated Assemblies Procurement

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RACE

Procurement will consist of 3 main parts:

• Waste Storage Baskets.
• Target Station Component Support Structures.
• Large lifting adaptors.

The exact nature of the procurement has not been finalised, however at present it is expected that the scope will be for the design and manufacture of all the items based on provided requirements specification. A Negotiated procedure is expected, that will allow for the scope and risk profile of the procurement to be

• adjusted. If the scope can defined well enough that an Open procedure can be used, this MAY be done.

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Waste Storage Boxes

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RACE

• A parametric design will be needed to allow a range of Waste Storage

Boxes (WSBs) to be manufacture by ESS as they are needed. The boxes will be placed within an existing shielded container approximately 3mx2mx1m and will allow for:

• A range of packing patterns from a single box up to six boxes.
• Different shielding thicknesses ranging from 50mm up to 200mm.
• A single WSB will be manufactured for use in the Acceptance Review
• f the Active Cells.
• Expected requirements as follow:
• When full, lifts from the lid using set twist lock pattern,
• Removable sides.
• Process to tilt onto one side when empty and back to vertical

when full.

• Maximum loaded weight is 25,000kg.
• Stainless Steel Structure
• No safety requirements in excess of those relating to standard lifting

accessories.

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Target Station Component Supports

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RACE

When Target Station components are introduced into the cell, a set of support structures are required to fix their location and provide stability. These include:

• A receiving fixture to locate and support components as they

are lowered into the cell.

• Storage racks to support a number of Target Station

components whilst they are waiting to be processed. General Requirements:

• Interface with existing floor bolting pattern.
• Stainless Steel construction (or very prescriptive painting

rules).

• Will have to support a maximum horizontal force TBD a fixed

height from the floor

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Lifting Adaptors

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RACE

A lifting adaptor to allow the lifting of a >8000kg section of target station component using the in cell Grapple.

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Electrical Work Package Procurement Overview

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The Electrical Power and Signalling system is responsible for providing electrical services into the Active Cells from supplier control cubicles to supplier equipment. The Active Cells are a radiological area that will require a degree of radiation tolerance within the designed electrical

• system. The electrical system is a critical part of the operation of the Facility.

Process Cell Maintenance Cell

Active Cell Facility Overview

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Purchasing Scope

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Free Issue Components for Manufacture

• Suitable Remote Handling & Industrial Connectors à Band A/B
• Suitable COTS Industrial Cabling à Band A
• Specialist Radiation tolerant cabling >1M/Gy integrated gamma dose à Band A
• Specialist Radiological lighting for Active Cells à Band A/B

Purchasing Value Band

A

Purchasing Key Dates Contract Award: Q4 2018/Q1 2019 Completion: Q3/Q4 2019 <£100K >£100K to <£500K Purchasing Value Band

B

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Manufacture Scope

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Manufacture, Assembly and Delivery of the following:

• Low Voltage distribution Cabinets x 5 à Band A
• Manufacture of multiple cubicle and enclosures à Band A
• Technical Gallery Junction Boxes x 39 à Band A
• Active Cell Junction Boxes x 39 à Band A/B
• Manufacture of a x 39 harnesses to link Junctions Boxes à Band A
• Manufacture of a x 50+ harnesses to for in-cell equipment à Band A

Purchasing Value Band

A

<£100K >£100K to <£500K Purchasing Value Band

B

Manufacturing Key Dates Contract Award: Q1/Q2/Q3 - 2019 Completion: Q2 - 2020

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Installation Scope

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>£100K to <£500K Purchasing Value Band

B

Manufacturing Key Dates Contract Award: Q4 - 2019 Completion: Q3/Q4 2020 4 – 5 month Installation Scope à Band B

Install the following:

• 1Km of designed cable infrastructure
• Multiple cubicles and enclosures around the Active Cell Facility
• Technical Gallery Junction Boxes x 39
• Active Cell Junction Boxes x 39
• Active Cells Control room cable infrastructure
• Pre-designed lighting systems within the Active Cells
• Radiological safety cabling for Active Cells Radiological Safety System

Install and commissioning the following:

• LV Distribution Racks and associated cable commissioning
• Industrial cabling from equipment controllers to Junctions Boxes
• Radiation tolerant harnesses to link Junction Boxes
• Radiation tolerant harnesses to link Active Cell Junction Boxes to in-cell equipment
• Network system for High Level Control System

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Waste Transfer Area

3 1 R A C E

Transfer Trolley

• Approx. Size = 4.5m x 2m x 0.5m
• Approx. Weight = 12.5t

SWL = 100t Confinement Shroud to control particulate spread (Not shown) Rails and Mounting Hardware Electrical and Control Systems

Scope Provisional Timescales

Tender start = Q1 2019 Contract Award = Q3 2019 Site Access = Q3/Q4 2021 Completion = Q3/Q4 2021