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STA Investing in the Future New Research & Technical Guidance Fire Performance In Use Project AGM Update – 16 th May 2019
STA Investing in the Future
New Research & Technical Guidance
Fire Performance In Use Project
AGM Update – 16th May 2019
Background
Live Project – 1st May 18
Future Proofing Project
Grow & Protect our Market
Grenfell watershed moment
Hackitt & Stollard Reviews – potential Shift to EN systems testing
DOE Ireland – Withdrew BS testing
Scotland - Section 2 (expected Oct 2019)
England - Approved Document B (expected 2020)
During 2020 Building Regulation Changes Implemented
Outputs & Partners
Recognised Industry Guidance
Fire Performance In Use
Pattern Book, EN Tested Common Systems
Evidence backed guidance
Good Practise Recommendations
Supported by verifiers (to be confirmed)
Scope – Timber Frame Construction
Major STA deliverable – not possible in isolation
Engineered Wood
Products Committee
Progress & Outlook
Gap analysis, plasterboard assessments & Ph1 Testing (7) – complete
Gathered test data & created library of results – STA, EWPC, TRA & ITFMA
Mid-Way Review – complete & mobilising writing of guidance
Ph2 Testing (6) & more research, await reg changes
Target to complete – 31st Dec 2019
Apr May Jun Jul Aug Sept Oct Nov Dec Jan Feb Mar Apr May Jun Jul Aug Sept Oct Nov Dec
Preparation & Board sign off Sign Off
Month Number 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
Project Start Meet
WP 1 - Mobilisation & Gap Analysis
WP 2 - Research - Test protocols & component analysis
WP 3 - EN fire testing & fire assessments MobilisePH1
Test 1 & 2PH1 Test 3 PH1 Test 4
PH1
Test 5, 6 & 7
Phase 2
ProposalMobilise
PH2
Tests 1-6Report
WP 4 - Guidance, peer review and sign off Interim
ReviewDraft 1 Draft 2 Final
WP 5 - Publish & dissemination AGM Publish
PIR Variability Testing
Q1 2019 Q2 2019 Q3 2019 Q4 2019
AD-B & Sect 6 Changes
Gap Analysis & Report
Load Ratio Paper & Plasterboard Variability Testing
STA In Use EN Fire Research Project Q4 2018Q2 2018 Q3 2018
Phase1 - Time Extension
Delay - More complex
Phase 2 - Time Extension
Costs, Funding & ContributorsTotal = £228,908 (3 out 56 TF Manufacturers Levies not paid)
Deliverables – Research Outputs
Gap Analysis – Research interest
UK Fire Design - BS5268:4.2 & BR128
BS5268 Component Additive Method - Fire Calcs
BS & EN Fire Testing Load Calculations
Timber Stud Charring - EN1995-2
P’brd Research - Vaxjo University
P’brd Drop Off Rate – NRCC research
TRADA Studies 1980’s
Deliverables - Research Outputs
Plasterboard Variability Research
H-TRIS - Unloaded test rig (not UKAS or BS/EN Std)
Material benchmarking – density & moisture
Water cooled sample holder & fixing solution
Type A & F Boards – Snapshot Comparisons
Differing suppliers & factory locations
3 x samples of each
Deliverables - Research Outputs
Fire Testing Load Ratio Paper
BS Load ratio calculation method (BS 5269:4.2 clause 2.3 - 1980)
EC5 & EN Load reduction factor method (EN 1995-1-2 - 2002)
Accidental fire load & limit state design
Hot & cold design states
Worse case – Flats v Bungalow
Walls (STA) & Floors (EWPC)
STA Fire Testing – EN loadings & EN:1365 test
Deliverables – Fire Testing (Phase:1)15mm Type A Boards
7 x Common walls used by sector
Plasterboard + VCL hard to stud
External walls – double socket BLH corner
30 & 60 minute options
Extra Thermocouples – research data
EN:1365-1 Furnace Tests & EN Loading Method
5 x BRE & 2 x Exova
Test No Rating Type
1 30 External Wall + 120 PIR @ 600 crs
2 60 External Wall + 120 PIR @ 600 crs
3 30 Int LB Wall (no OSB) @ 600 crs
4 60 Int LB Wall (no OSB) @ 600 crs
5 30 External Wall + 140 GW @ 600 crs
6 60 External Wall + 140 GW @ 600 crs
7 60 Party Wall E-WT-1 (no OSB) @ 600 crs &
18 kg/m² insulation
Deliverables – STA Fire Testing
3RD Party Fire TestingITFMA Fire Testing – DOE Guidance
Shift to EN fire resistance testing
External make-up differs - thermal regs.
Tested solutions, junction detailing & specifications
3rd Party Fire Testing
3rd Party Fire Testing (TF & Masonry)
Floors - Proprietary System Testing (30 & 60 minutes)
• I-Joists
• Metal Web
Roofs - Generic System Testing (30 Minutes)
• Truss Rafter Association
• Metal Plates
Comprehensive Database Information
EN 1365 Fire Resistance Testing
Data provided under NDA
Proprietary systems, could be referenced in STA guidance
Awaiting Regulation changes before issue
Common solutions for TF & Masonry
Engineered Wood
Products Committee
Final Things To Do
Ph:2 Fire Testing,12.5mm Type A
Repeat Tests 1-6
Provides options to clients
Improves understanding of EN testing impact
October 19 testing – Exova Warrington
Plasterboard Research,12.5mm Type AH-TRIS material sampling (UOE)
Repeat 15mm Type A
Insulation – Variability AssessmentPIR & Glasswool
Suppliers & Specifications
Previous Research
Test No Rating Type
1 30 External Wall + 120 PIR @ 600 crs
2 60 External Wall + 120 PIR @ 600 crs
3 30 Int LB Wall (no OSB) @ 600 crs
4 60 Int LB Wall (no OSB) @ 600 crs
5 30 External Wall + 140 GW @ 600 crs
6 60 External Wall + 140 GW @ 600 crs
Specific Testing & Generic Guidance
Testing = Specific
ComponentsGuidance = Generic
Components
Common Variables &
Classifications, for min of 3
suppliers/products/detailing
• Plasterboard Make
• Glass Wool Make
• PIR Make & Thickness
• Stud size
Route to Recognised Generic Guidance
Guidance Outlook
Interim Guidance
Specific in nature
Liaise with BRE to validate generic variables
Ideally some variables will be validated
STA Technical Advice Note
7 x Wall tests/materials and suppliers tested
Available to TF manufacturing member sponsors
Targeted 1st Sept 19
Final Guidance
Generic in nature
Variables validated by BRE
Recognised by verifiers – MHCLG, SBSD, NHBC, FPA
Comprehensive compendium information
Available to all STA members
Targeted 31st Dec 19
Final Guidance - Compendium Introduction
Foreword
Background
Endorsement
Governance, Liability & Use
EN Tested Systems
7 x STA Wall tests – 15mm Type A
6 x STA Wall tests – 12.5mm Type A (subject to results)
Proprietary Systems – Floors & Roofs (tbc)
Best Practise Recommendations
Construction Junctions – Detailing & Sequence
Firestopping, Cavity Barriers & Spandrels
Penetrations & Services, Critical Fire Seals
Cladding
Materials & Workmanship
Appendices – Summary Research Work (Lay Person)
Gap Analysis
Fire Testing, Heat Curves & Calculation Methodology
EN Load Reduction Factors
Materials - Plasterboard & Insulation Analysis
Summary
▪ Project is progressing well
▪ Test outcomes positive & much learning
▪ STA Investing in future - Value for Money
▪ Proactive future proofing project, readying for change
▪ Raises standards to EN compliance
▪ Enables growth & builds confidence in sector
▪ Recognised “Go To” Guidance for market/members/verifiers to use
▪ Credible, evidence backed, independent & peer reviewed
▪ Opportunity for recalibration & harmonisation
▪ IP owned & governed by STA
▪ Interim Guidance – Targeted 1st Sept 19 (specific)
▪ Final Guidance – Targeted 31st Dec 19 (generic)
