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NBS Building Full Service

Update 2010-3

* = Standard Version only
† = Intermediate Version only

Preliminaries

JCT 2005 Standard Building Contract With Quantities (JCT111A)
A20 JCT STANDARD BUILDING CONTRACT WITH QUANTITIES
PROJECT BANK ACCOUNT New clause.
A30 TENDERING/ SUBLETTING/ SUPPLY
130	Clause deleted.
596	New clause.
A31 PROVISION, CONTENT AND USE OF DOCUMENTS
145	New clause: Clause added to clarify meaning for terms used in work sections
150	New clause: Clause added to clarify meaning for terms used in work sections
155	New clause: Clause added to clarify meaning for terms used in work sections
660	New clause.
A34 SECURITY/ SAFETY/ PROTECTION
470	New clause.
555	New clause.
A37 OPERATION/ MAINTENANCE OF THE FINISHED WORKS
110	Technical revision: Section 5 added for BREEAM assessment.
151	New clause.

SBCC 2005 Standard Building Contract With Quantities (SBCC116A)
A20 SBCC STANDARD BUILDING CONTRACT WITH QUANTITIES (SBC/Q/Scot)
PROJECT BANK ACCOUNT New clause.
A30 TENDERING/ SUBLETTING/ SUPPLY
130	Clause deleted.
596	New clause.
A31 PROVISION, CONTENT AND USE OF DOCUMENTS
145	New clause: Clause added to clarify meaning for terms used in work sections
150	New clause: Clause added to clarify meaning for terms used in work sections
155	New clause: Clause added to clarify meaning for terms used in work sections
660	New clause.
A34 SECURITY/ SAFETY/ PROTECTION
470	New clause.
555	New clause.
A37 OPERATION/ MAINTENANCE OF THE FINISHED WORKS
110	Technical revision: Section 5 added for BREEAM assessment.
151	New clause.

JCT 2005 Standard Building Contract Without Quantities (JCT151A)
A20 JCT STANDARD BUILDING CONTRACT WITHOUT QUANTITIES
PROJECT BANK ACCOUNT New clause.
A30 TENDERING/ SUBLETTING/ SUPPLY
130	Clause deleted.
596	New clause.
A31 PROVISION, CONTENT AND USE OF DOCUMENTS
145	New clause: Clause added to clarify meaning for terms used in work sections
150	New clause: Clause added to clarify meaning for terms used in work sections
155	New clause: Clause added to clarify meaning for terms used in work sections
660	New clause.
A34 SECURITY/ SAFETY/ PROTECTION
470	New clause.
555	New clause.
A37 OPERATION/ MAINTENANCE OF THE FINISHED WORKS
110	Technical revision: Section 5 added for BREEAM assessment.
151	New clause.

SBCC 2005 Standard Building Contract Without Quantities (SBCC156A)
A20 SBCC STANDARD BUILDING CONTRACT WITHOUT QUANTITIES (SBC/XQ/Scot)
PROJECT BANK ACCOUNT New clause.
A30 TENDERING/ SUBLETTING/ SUPPLY
130	Clause deleted.
596	New clause.
A31 PROVISION, CONTENT AND USE OF DOCUMENTS
145	New clause: Clause added to clarify meaning for terms used in work sections
150	New clause: Clause added to clarify meaning for terms used in work sections
155	New clause: Clause added to clarify meaning for terms used in work sections
660	New clause.
A34 SECURITY/ SAFETY/ PROTECTION
470	New clause.
555	New clause.
A37 OPERATION/ MAINTENANCE OF THE FINISHED WORKS
110	Technical revision: Section 5 added for BREEAM assessment.
151	New clause.

JCT 2005 Standard Building Contract With Approximate Quantities (JCT191A)
A20 JCT STANDARD BUILDING CONTRACT WITH APPROXIMATE QUANTITIES
PROJECT BANK ACCOUNT New clause.
A30 TENDERING/ SUBLETTING/ SUPPLY
130	Clause deleted.
596	New clause.
A31 PROVISION, CONTENT AND USE OF DOCUMENTS
145	New clause: Clause added to clarify meaning for terms used in work sections
150	New clause: Clause added to clarify meaning for terms used in work sections
155	New clause: Clause added to clarify meaning for terms used in work sections
660	New clause.
A34 SECURITY/ SAFETY/ PROTECTION
470	New clause.
555	New clause.
A37 OPERATION/ MAINTENANCE OF THE FINISHED WORKS
110	Technical revision: Section 5 added for BREEAM assessment.
151	New clause.

SBCC 2005 Standard Building Contract With Approximate Quantities (SBCC196A)
A20 SBCC STANDARD BUILDING CONTRACT WITH APPROXIMATE QUANTITIES (SBC/AQ/Scot)
PROJECT BANK ACCOUNT New clause.
A30 TENDERING/ SUBLETTING/ SUPPLY
130	Clause deleted.
596	New clause.
A31 PROVISION, CONTENT AND USE OF DOCUMENTS
145	New clause: Clause added to clarify meaning for terms used in work sections
150	New clause: Clause added to clarify meaning for terms used in work sections
155	New clause: Clause added to clarify meaning for terms used in work sections
660	New clause.
A34 SECURITY/ SAFETY/ PROTECTION
470	New clause.
555	New clause.
A37 OPERATION/ MAINTENANCE OF THE FINISHED WORKS
110	Technical revision: Section 5 added for BREEAM assessment.
151	New clause.

JCT 2005 Major Project Construction Contract (JCT211A)
A20 JCT MAJOR PROJECT CONSTRUCTION CONTRACT (MP)
PROJECT BANK ACCOUNT New clause.
clause 24 – PRE-APPOINTED CONSULTANTS New clause: Clause relocated from A30 section to enable closer reference to the contract code.
clause 24 – NAMED SPECIALISTS New clause: Clause relocated from A30 section to enable closer reference to the contract code.
A30 TENDERING/ SUBLETTING/ SUPPLY
130	Clause deleted.
596	New clause.
685	Clause deleted.
685	Clause deleted.
A31 PROVISION, CONTENT AND USE OF DOCUMENTS
145	New clause: Clause added to clarify meaning for terms used in work sections
150	New clause: Clause added to clarify meaning for terms used in work sections
155	New clause: Clause added to clarify meaning for terms used in work sections
660	New clause.
A34 SECURITY/ SAFETY/ PROTECTION
470	New clause.
555	New clause.
A37 OPERATION/ MAINTENANCE OF THE FINISHED WORKS
110	Technical revision: Section 5 added for BREEAM assessment.
151	New clause.

JCT 2005 Design and Build Contract (JCT221A)
A20 JCT DESIGN AND BUILD CONTRACT (DB)
PROJECT BANK ACCOUNT New clause.
A30 TENDERING/ SUBLETTING/ SUPPLY
130	Clause deleted.
596	New clause.
A31 PROVISION, CONTENT AND USE OF DOCUMENTS
145	New clause: Clause added to clarify meaning for terms used in work sections
150	New clause: Clause added to clarify meaning for terms used in work sections
155	New clause: Clause added to clarify meaning for terms used in work sections
660	New clause.
A34 SECURITY/ SAFETY/ PROTECTION
470	New clause.
555	New clause.
A37 OPERATION/ MAINTENANCE OF THE FINISHED WORKS
110	Technical revision: Section 5 added for BREEAM assessment.
151	New clause.

SBCC 2005 Design and Build (SBCC226A)
A20 SCOTTISH DESIGN AND BUILD CONTRACT (DB/Scot)
PROJECT BANK ACCOUNT New clause.
A30 TENDERING/ SUBLETTING/ SUPPLY
130	Clause deleted.
596	New clause.
A31 PROVISION, CONTENT AND USE OF DOCUMENTS
145	New clause: Clause added to clarify meaning for terms used in work sections
150	New clause: Clause added to clarify meaning for terms used in work sections
155	New clause: Clause added to clarify meaning for terms used in work sections
660	New clause.
A34 SECURITY/ SAFETY/ PROTECTION
470	New clause.
555	New clause.
A37 OPERATION/ MAINTENANCE OF THE FINISHED WORKS
110	Technical revision: Section 5 added for BREEAM assessment.
151	New clause.

JCT 2005 Prime Cost Contract (JCT270A)
A20 JCT PRIME COST BUILDING CONTRACT (PCC)
PROJECT BANK ACCOUNT New clause.
A30 TENDERING/ SUBLETTING/ SUPPLY
130	Clause deleted.
596	New clause.
A31 PROVISION, CONTENT AND USE OF DOCUMENTS
145	New clause: Clause added to clarify meaning for terms used in work sections
150	New clause: Clause added to clarify meaning for terms used in work sections
155	New clause: Clause added to clarify meaning for terms used in work sections
660	New clause.
A34 SECURITY/ SAFETY/ PROTECTION
470	New clause.
555	New clause.
A37 OPERATION/ MAINTENANCE OF THE FINISHED WORKS
110	Technical revision: Section 5 added for BREEAM assessment.
151	New clause.

JCT 2005 Intermediate Building Contract (JCT330A)
A20 JCT INTERMEDIATE BUILDING CONTRACT (IC)
3.7 – NAMED SUBCONTRACTORS New clause: Clause relocated from A30 section to enable closer reference to the contract code.
A30 TENDERING/ SUBLETTING/ SUPPLY
130	Clause deleted.
596	New clause.
610	Clause deleted.
A31 PROVISION, CONTENT AND USE OF DOCUMENTS
145	New clause: Clause added to clarify meaning for terms used in work sections
150	New clause: Clause added to clarify meaning for terms used in work sections
155	New clause: Clause added to clarify meaning for terms used in work sections
660	New clause.
A34 SECURITY/ SAFETY/ PROTECTION
470	New clause.
555	New clause.
A37 OPERATION/ MAINTENANCE OF THE FINISHED WORKS
110	Technical revision: Section 5 added for BREEAM assessment.
151	New clause.

JCT 2005 Intermediate Building Contract with Contractor's Design (JCT331A)
A20 JCT INTERMEDIATE BUILDING CONTRACT WITH CONTRACTOR'S DESIGN (ICD)
3.7 – NAMED SUBCONTRACTORS New clause: Clause relocated from A30 section to enable closer reference to the contract code.
A30 TENDERING/ SUBLETTING/ SUPPLY
130	Clause deleted.
596	New clause.
610	Clause deleted.
A31 PROVISION, CONTENT AND USE OF DOCUMENTS
145	New clause: Clause added to clarify meaning for terms used in work sections
150	New clause: Clause added to clarify meaning for terms used in work sections
155	New clause: Clause added to clarify meaning for terms used in work sections
660	New clause.
A34 SECURITY/ SAFETY/ PROTECTION
470	New clause.
555	New clause.
A37 OPERATION/ MAINTENANCE OF THE FINISHED WORKS
110	Technical revision: Section 5 added for BREEAM assessment.
151	New clause.

SBCC 2005 Minor Works Building Contract (SBCC356A)
A20 SBCC MINOR WORKS BUILDING CONTRACT (MW/Scot)
Fourth Recital and Schedule Part 2 – BASE DATE Technical revision: New clause for SBCC Minor Works contract to amend the recital number.
Fifth Recital and Schedule Part 2 – BASE DATE Clause deleted.
Fourth Recital and Schedule Part 2 – BASE DATE Clause deleted.
SCHEDULE PART 4: CONTRACT DOCUMENTS New clause.
A30 TENDERING/ SUBLETTING/ SUPPLY
130	Clause deleted.
596	New clause.
A31 PROVISION, CONTENT AND USE OF DOCUMENTS
145	New clause: Clause added to clarify meaning for terms used in work sections
150	New clause: Clause added to clarify meaning for terms used in work sections
155	New clause: Clause added to clarify meaning for terms used in work sections
660	New clause.
A34 SECURITY/ SAFETY/ PROTECTION
470	New clause.
555	New clause.

JCT 2005 Minor Works Building Contract (JCT360A)
A30 TENDERING/ SUBLETTING/ SUPPLY
130	Clause deleted.
596	New clause.
A31 PROVISION, CONTENT AND USE OF DOCUMENTS
145	New clause: Clause added to clarify meaning for terms used in work sections
150	New clause: Clause added to clarify meaning for terms used in work sections
155	New clause: Clause added to clarify meaning for terms used in work sections
660	New clause.
A34 SECURITY/ SAFETY/ PROTECTION
470	New clause.
555	New clause.

JCT 2005 Minor Works Building Contract with Contractor's Design (JCT361A)
A30 TENDERING/ SUBLETTING/ SUPPLY
130	Clause deleted.
596	New clause.
A31 PROVISION, CONTENT AND USE OF DOCUMENTS
145	New clause: Clause added to clarify meaning for terms used in work sections
150	New clause: Clause added to clarify meaning for terms used in work sections
155	New clause: Clause added to clarify meaning for terms used in work sections
660	New clause.
A34 SECURITY/ SAFETY/ PROTECTION
470	New clause.
555	New clause.

SBCC 2005 Minor Works Building Contract with Contractor's Design (SBCC366A)
A20 SBCC MINOR WORKS BUILDING CONTRACT WITH CONTRACTOR'S DESIGN (MWD/Scot)
Fifth Recital and Schedule part 2 – BASE DATE Clause deleted.
SCHEDULE PART 4: CONTRACT DOCUMENTS	New clause.
A30 TENDERING/ SUBLETTING/ SUPPLY
130	Clause deleted.
596	New clause.
A31 PROVISION, CONTENT AND USE OF DOCUMENTS
145	New clause: Clause added to clarify meaning for terms used in work sections
150	New clause: Clause added to clarify meaning for terms used in work sections
155	New clause: Clause added to clarify meaning for terms used in work sections
660	New clause.
A34 SECURITY/ SAFETY/ PROTECTION
470	New clause.
555	New clause.

JCT Agreement for Housing Grant Works HG(A) (JCT380A)
A30 TENDERING/ SUBLETTING/ SUPPLY
130	Clause deleted.
596	New clause.
A31 PROVISION, CONTENT AND USE OF DOCUMENTS

145	New clause: Clause added to clarify meaning for terms used in work sections
150	New clause: Clause added to clarify meaning for terms used in work sections
155	New clause: Clause added to clarify meaning for terms used in work sections
660	New clause.
A34 SECURITY/ SAFETY/ PROTECTION
470	New clause.
555	New clause.

SBCC Contract for Housing Grant Works (SBCC385A)
A30 TENDERING/ SUBLETTING/ SUPPLY
130	Clause deleted.
596	New clause.
A31 PROVISION, CONTENT AND USE OF DOCUMENTS
145	New clause: Clause added to clarify meaning for terms used in work sections
150	New clause: Clause added to clarify meaning for terms used in work sections
155	New clause: Clause added to clarify meaning for terms used in work sections
660	New clause.
A34 SECURITY/ SAFETY/ PROTECTION
470	New clause.
555	New clause.

ICE Conditions of Contract Minor Works (ICE450A)
A20 ICE MINOR WORKS
clause 3.7 – CONTRACTOR'S DESIGN New clause.
2 – PAYMENT New clause.
PARTNERING New clause.
PARTNERING New clause: Clause relocated and renumbered from A30/130, to ensure consistency with the schedule of Conditions of Contract.
A30 TENDERING/ SUBLETTING/ SUPPLY
130	Clause deleted.
195	Clause deleted.
596	New clause.
A31 PROVISION, CONTENT AND USE OF DOCUMENTS
145	New clause: Clause added to clarify meaning for terms used in work sections
150	New clause: Clause added to clarify meaning for terms used in work sections
155	New clause: Clause added to clarify meaning for terms used in work sections
660	New clause.
A34 SECURITY/ SAFETY/ PROTECTION
470	New clause.
555	New clause.

RIAI – Building Contract for use with quantities (RIAI470A)
A20 RIAI WITH QUANTITIES
WARRANTY New clause.
WARRANTY New clause: Clause relocated and renumbered from A30/150, to ensure consistency with the schedule of Conditions of Contract.
A31 PROVISION, CONTENT AND USE OF DOCUMENTS
145	New clause: Clause added to clarify meaning for terms used in work sections
150	New clause: Clause added to clarify meaning for terms used in work sections
155	New clause: Clause added to clarify meaning for terms used in work sections
A34 SECURITY/ SAFETY/ PROTECTION
470	New clause.
555	New clause.

RIAI – Building contract for use without quantities (RIAI475A)
A20 RIAI WITHOUT QUANTITIES
WARRANTY New clause.
WARRANTY New clause: Clause relocated and renumbered from A30/150, to ensure consistency with the schedule of Conditions of Contract.
A31 PROVISION, CONTENT AND USE OF DOCUMENTS
145	New clause: Clause added to clarify meaning for terms used in work sections
150	New clause: Clause added to clarify meaning for terms used in work sections
155	New clause: Clause added to clarify meaning for terms used in work sections
A34 SECURITY/ SAFETY/ PROTECTION
470	New clause.
555	New clause.

Public Works Contract for Building Works Designed by the Employer (IrDoF486A)
A31 PROVISION, CONTENT AND USE OF DOCUMENTS
145	New clause: Clause added to clarify meaning for terms used in work sections
150	New clause: Clause added to clarify meaning for terms used in work sections
155	New clause: Clause added to clarify meaning for terms used in work sections
A34 SECURITY/ SAFETY/ PROTECTION
470	New clause.
555	New clause.

Public Works Contract for Building Works Designed by the Contractor (IrDoF488A)
A31 PROVISION, CONTENT AND USE OF DOCUMENTS
145	New clause: Clause added to clarify meaning for terms used in work sections
150	New clause: Clause added to clarify meaning for terms used in work sections
155	New clause: Clause added to clarify meaning for terms used in work sections
A34 SECURITY/ SAFETY/ PROTECTION
470	New clause.
555	New clause.

RIAI – White contract (RIAI490A)
A31 PROVISION, CONTENT AND USE OF DOCUMENTS
145	New clause: Clause added to clarify meaning for terms used in work sections
150	New clause: Clause added to clarify meaning for terms used in work sections
155	New clause: Clause added to clarify meaning for terms used in work sections
A34 SECURITY/ SAFETY/ PROTECTION
470	New clause.
555	New clause.

RIAI – SF88 (RIAI495A)
A31 PROVISION, CONTENT AND USE OF DOCUMENTS
145	New clause: Clause added to clarify meaning for terms used in work sections
150	New clause: Clause added to clarify meaning for terms used in work sections
155	New clause: Clause added to clarify meaning for terms used in work sections
A34 SECURITY/ SAFETY/ PROTECTION
470	New clause.
555	New clause.

Public Works Contract for Minor Civil Engineering and Building Works Designed by the Employer (IrDoF496A)
A31 PROVISION, CONTENT AND USE OF DOCUMENTS
145	New clause: Clause added to clarify meaning for terms used in work sections
150	New clause: Clause added to clarify meaning for terms used in work sections
155	New clause: Clause added to clarify meaning for terms used in work sections
A34 SECURITY/ SAFETY/ PROTECTION
470	New clause.
555	New clause.

Short Public Works Contract for Civil Engineering and Building Works Designed by the Employer (IrDoF498A)
A31 PROVISION, CONTENT AND USE OF DOCUMENTS
145	New clause: Clause added to clarify meaning for terms used in work sections
150	New clause: Clause added to clarify meaning for terms used in work sections
155	New clause: Clause added to clarify meaning for terms used in work sections
A34 SECURITY/ SAFETY/ PROTECTION
470	New clause.
555	New clause.

NEC3 Engineering and Construction Contract (ECC) Priced Contract with activity schedule (ECC515A)
A20 ENGINEERING AND CONSTRUCTION CONTRACT (ECC)
ADDITIONAL CONDITIONS OF CONTRACT New clause: Collateral warranty and contractor's design clauses moved from the A30 section to ensure consistency with the of Conditions of Contract.
A30 TENDERING/ SUBLETTING/ SUPPLY
130	Clause deleted.
150	Clause deleted.
195	Clause deleted.
596	New clause.
A31 PROVISION, CONTENT AND USE OF DOCUMENTS
145	New clause: Clause added to clarify meaning for terms used in work sections
150	New clause: Clause added to clarify meaning for terms used in work sections
155	New clause: Clause added to clarify meaning for terms used in work sections
660	New clause.
A34 SECURITY/ SAFETY/ PROTECTION
470	New clause.
555	New clause.
A37 OPERATION/ MAINTENANCE OF THE FINISHED WORKS
110	Technical revision: Section 5 added for BREEAM assessment.
151	New clause.

NEC3 Engineering and Construction Contract (ECC) Priced Contract with bill of quantities (ECC525A)
A20 ENGINEERING AND CONSTRUCTION CONTRACT (ECC)
ADDITIONAL CONDITIONS OF CONTRACT New clause: Collateral warranty and contractor's design clauses moved from the A30 section to ensure consistency with the of Conditions of Contract.
A30 TENDERING/ SUBLETTING/ SUPPLY
130	Clause deleted.
150	Clause deleted.
195	Clause deleted.
596	New clause.
A31 PROVISION, CONTENT AND USE OF DOCUMENTS
145	New clause: Clause added to clarify meaning for terms used in work sections
150	New clause: Clause added to clarify meaning for terms used in work sections
155	New clause: Clause added to clarify meaning for terms used in work sections
660	New clause.
A34 SECURITY/ SAFETY/ PROTECTION
470	New clause.
555	New clause.
A37 OPERATION/ MAINTENANCE OF THE FINISHED WORKS
110	Technical revision: Section 5 added for BREEAM assessment.
151	New clause.

NEC3 Engineering and Construction Contract (ECC) Target Contract with activity schedule (ECC535A)
A20 ENGINEERING AND CONSTRUCTION CONTRACT (ECC)
ADDITIONAL CONDITIONS OF CONTRACT New clause: Collateral warranty and contractor's design clauses moved from the A30 section to ensure consistency with the of Conditions of Contract.
A30 TENDERING/ SUBLETTING/ SUPPLY
130	Clause deleted.
150	Clause deleted.
195	Clause deleted.
596	New clause.
A31 PROVISION, CONTENT AND USE OF DOCUMENTS
145	New clause: Clause added to clarify meaning for terms used in work sections
150	New clause: Clause added to clarify meaning for terms used in work sections
155	New clause: Clause added to clarify meaning for terms used in work sections
660	New clause.
A34 SECURITY/ SAFETY/ PROTECTION
470	New clause.
555	New clause.
A37 OPERATION/ MAINTENANCE OF THE FINISHED WORKS
110	Technical revision: Section 5 added for BREEAM assessment.
151	New clause.

NEC3 Engineering and Construction Contract (ECC) Target Contract with bill of quantities (ECC545A)
A20 ENGINEERING AND CONSTRUCTION CONTRACT (ECC)
ADDITIONAL CONDITIONS OF CONTRACT New clause: Collateral warranty and contractor's design clauses moved from the A30 section to ensure consistency with the of Conditions of Contract.
A30 TENDERING/ SUBLETTING/ SUPPLY
130	Clause deleted.
150	Clause deleted.
195	Clause deleted.
596	New clause.
A31 PROVISION, CONTENT AND USE OF DOCUMENTS
145	New clause: Clause added to clarify meaning for terms used in work sections
150	New clause: Clause added to clarify meaning for terms used in work sections
155	New clause: Clause added to clarify meaning for terms used in work sections
660	New clause.
A34 SECURITY/ SAFETY/ PROTECTION
470	New clause.
555	New clause.
A37 OPERATION/ MAINTENANCE OF THE FINISHED WORKS
110	Technical revision: Section 5 added for BREEAM assessment.
151	New clause.

NEC3 Engineering and Construction Contract (ECC) Cost Reimbursible Contract (ECC555A)
A20 ENGINEERING AND CONSTRUCTION CONTRACT (ECC)
ADDITIONAL CONDITIONS OF CONTRACT New clause: Collateral warranty and contractor's design clauses moved from the A30 section to ensure consistency with the of Conditions of Contract.
A30 TENDERING/ SUBLETTING/ SUPPLY
130	Clause deleted.
150	Clause deleted.
195	Clause deleted.
596	New clause.
A31 PROVISION, CONTENT AND USE OF DOCUMENTS
145	New clause: Clause added to clarify meaning for terms used in work sections
150	New clause: Clause added to clarify meaning for terms used in work sections
155	New clause: Clause added to clarify meaning for terms used in work sections
660	New clause.
A34 SECURITY/ SAFETY/ PROTECTION
470	New clause.
555	New clause.
A37 OPERATION/ MAINTENANCE OF THE FINISHED WORKS
110	Technical revision: Section 5 added for BREEAM assessment.
151	New clause.

NEC3 Engineering and Construction Contract (ECC) Short Contract (ECC575A)
A20 NEC3 ENGINEERING AND CONSTRUCTION SHORT CONTRACT
ADDITIONAL CONDITIONS New clause: Contractor's design clause moved from the A30 section to ensure consistency with the of Conditions of Contract.
A30 TENDERING/ SUBLETTING/ SUPPLY
130	Clause deleted.
195	Clause deleted.
195	Clause deleted.
596	New clause.
A31 PROVISION, CONTENT AND USE OF DOCUMENTS
145	New clause: Clause added to clarify meaning for terms used in work sections
150	New clause: Clause added to clarify meaning for terms used in work sections
155	New clause: Clause added to clarify meaning for terms used in work sections
660	New clause.
A34 SECURITY/ SAFETY/ PROTECTION
470	New clause.
555	New clause.

NFDC Form of Direct Contract (NFDC710A)
A30 TENDERING/ SUBLETTING
596	New clause.
A31 PROVISION, CONTENT AND USE OF DOCUMENTS
145	New clause: Clause added to clarify meaning for terms used in work sections
150	New clause: Clause added to clarify meaning for terms used in work sections
155	New clause: Clause added to clarify meaning for terms used in work sections
660	New clause.
A34 SECURITY/ SAFETY/ PROTECTION
470	New clause.
555	New clause.
A37 OPERATION/ MAINTENANCE OF THE FINISHED WORKS
110	Technical revision: Section 5 added for BREEAM assessment.
151	New clause.

Investigation/ Survey Contract (DC715A)
A30 TENDERING/ SUBLETTING
596	New clause.
A31 PROVISION, CONTENT AND USE OF DOCUMENTS
145	New clause: Clause added to clarify meaning for terms used in work sections
150	New clause: Clause added to clarify meaning for terms used in work sections
155	New clause: Clause added to clarify meaning for terms used in work sections
660	New clause.
A34 SECURITY/ SAFETY/ PROTECTION
470	New clause.
555	New clause.
A37 OPERATION/ MAINTENANCE OF THE FINISHED WORKS
110	Technical revision: Section 5 added for BREEAM assessment.
151	New clause.

Work Package A70 (WP720A)
A30 TENDERING/ SUBLETTING/ SUPPLY
596	New clause.
A31 PROVISION, CONTENT AND USE OF DOCUMENTS
145	New clause: Clause added to clarify meaning for terms used in work sections
150	New clause: Clause added to clarify meaning for terms used in work sections
155	New clause: Clause added to clarify meaning for terms used in work sections
660	New clause.
A34 SECURITY/ SAFETY/ PROTECTION
470	New clause.
555	New clause.

JCT Subcontract ICSub/NAM (JCT750A)
A20 JCT SUBCONTRACT(Intermediate Named subcontract) ICSub/NAM
PURCHASERS AND TENANTS WARRANTY New clause: Clause moved to the contract specific clauses.
FUNDER'S WARRANTY New clause: Clause moved to the contract specific clauses.
A30 TENDERING/ SUB-SUBLETTING/ SUPPLY
150	Clause deleted.
151	Clause deleted.
596	New clause.
A31 PROVISION, CONTENT AND USE OF DOCUMENTS
145	New clause: Clause added to clarify meaning for terms used in work sections
150	New clause: Clause added to clarify meaning for terms used in work sections
155	New clause: Clause added to clarify meaning for terms used in work sections
660	New clause.

JCT Framework Agreement (JCT770A)
A30 TENDERING
596	New clause.
A31 PROVISION, CONTENT AND USE OF DOCUMENTS
145	New clause: Clause added to clarify meaning for terms used in work sections
150	New clause: Clause added to clarify meaning for terms used in work sections
155	New clause: Clause added to clarify meaning for terms used in work sections

JCT Constructing Excellence Contract (JCT780A)
A30 TENDERING/ SUBLETTING/ SUPPLY
596	New clause.
A31 PROVISION, CONTENT AND USE OF DOCUMENTS
145	New clause: Clause added to clarify meaning for terms used in work sections
150	New clause: Clause added to clarify meaning for terms used in work sections
155	New clause: Clause added to clarify meaning for terms used in work sections
A34 SECURITY/ SAFETY/ PROTECTION
470	New clause.
A37 OPERATION/ MAINTENANCE OF THE FINISHED WORKS
110	Technical revision: Section 5 added for BREEAM assessment.
151	New clause.

Domestic sub contract (SC940A)
A20 SUBCONTRACT
PURCHASER'S/ TENANT'S AND FUNDER'S COLLATERAL WARRANTIES New clause: Clause moved to the contract specific clauses.
EMPLOYER'S COLLATERAL WARRANTY New clause: Clause moved to the contract specific clauses.
A30 TENDERING/ SUBLETTING
156	Clause deleted.
158	Clause deleted.
596	New clause.
A31 PROVISION, CONTENT AND USE OF DOCUMENTS
145	New clause: Clause added to clarify meaning for terms used in work sections
150	New clause: Clause added to clarify meaning for terms used in work sections
155	New clause: Clause added to clarify meaning for terms used in work sections
660	New clause.

Work sections

Standard and Intermediate versions

*B11 Prefabricated building units (Update 2010-2.1)**
10	Technical revision: Items referring to submission of information deleted. Requirements for information to be provided at tender now covered by section B50.
205	New clause: Specification of design requirements and responsibilities. To suit introduction of section B50.
207	New clause: Specification of requirements for structural design information. To suit introduction of section B50. Provides for the keeping of production/ execution records.
210	Format change: Heading amended to include word 'fabric'. More accurate clause description.
215	Format change: Heading amended to include words 'fabric' and 'performance assessment'. More accurate clause description.
220	Clause deleted: Requirements now covered in section B50 and clause 205.
225	Technical revision: Reference to standards updated. To include relevant parts.
245	Technical revision: Sub-item regarding structure deleted. Durability of structural elements is now covered by specifying the design working life in section B50.
265	New clause: Impact resistance of non-loadbearing vertical surfaces. Specification requirements for impact resistance.
750	Format change: Clause heading change. Pods are installed rather than erected.

B12 Conservatories† (Update 2010-2.1)
110	Technical revision: 'Accessible design' item added. 'Structural and fire requirements' item added, 'Integrity' item removed.' To enable compliance with DDA requirements. To suit introduction of section B50.
310	Technical revision: Structural members item amended. To accommodate specification to Eurocode standards.
360	Technical revision: Reference to standards updated. To include relevant parts.

*B13 Modular buildings (Update 2010-2.1)**
10	Technical revision: Items referring to submission of information deleted. Requirements for information to be provided at tender now covered by section B50.
210	Technical and format revision: Clause amended to Specify design requirements and responsibilities. To suit introduction of section B50.
212	New clause: Specification of requirements for structural design information. To suit introduction of section B50. Provides for the keeping of production/ execution records.
215	Clause deleted: Requirements now included in clauses 210 and clause 212.
221	Clause deleted: Requirements now covered in section B50/220 and clause 210.
225	Technical revision: Reference to standards updated. To include relevant parts.
245	Technical revision: Sub-item regarding structure deleted. Durability of structural elements is now covered by specifying the design working life in section B50.
263	New clause: Impact resistance of non-loadbearing vertical surfaces. Specification requirements for impact resistance.
267	New clause: 'Accessible design' clause. To specify DDA requirements.

B14 Prefabricated panelled constructions*
10	New clause: Items referring to submission of information deleted. Requirements for information to be provided at tender now covered by section B50.
205	Clause deleted: Requirements for design now included in restructured clause 210.
210	Technical and format revision: Specification of design requirements and responsibilities. To suit introduction of section B50.
212	New clause: Specification of requirements for structural design information. To suit introduction of section B50. Provides for the keeping of production/ execution records.
215	Clause deleted: Requirements now included in clauses 210 and 212.
220	Clause deleted: Requirements now covered in section B50 and clause 210.
225	Technical revision: Reference to standards updated. To include relevant parts.
235	Technical revision: Reference to standards updated. To include relevant parts.
245	Technical revision: Sub-item regarding structure deleted. Durability of structural elements is now covered by specifying the design working life in section B50.
262	New clause: Impact resistance of non-loadbearing vertical surfaces. Specification requirements for impact resistance.
710	Technical revision: Construction item amended. To accommodate specification to Eurocode standards.

*B15 Prefabricated framed constructions (Update 2010-2.1)**
10	Technical revision: Items referring to submission of information deleted. To suit introduction of section B50.
205	Clause deleted: Replaces requirements for impact resistance previously contained in clauses 210 and 215.
210	Technical and format revision: Specification of design requirements and responsibilities. To suit introduction of section B50.
212	New clause: Specification of requirements for structural design information. To suit introduction of section B50. Provides for the keeping of production/ execution records.
215	Clause deleted: Requirements now included in clauses 210 and 212.
220	Clause deleted: Requirements now covered in section B50/220 and clause 210.
225	Technical revision: Reference to standards updated. To include relevant parts.
235	Technical revision: Reference to standards updated. To include relevant parts.
245	Technical revision: Sub-item regarding structure deleted. Durability of structural elements is now covered by specifying the design working life in section B50.
262	New clause: Impact resistance of non-loadbearing vertical surfaces. Specification requirements for impact resistance.

B91 Buildings in the landscape† (Update 2010-2.1)
210	Clause deleted: Requirements now covered in section B50 or B51 and clause 215.
215	Technical and format revision: 1. Clause amended to Specify contractor's design requirements and responsibilities. To suit introduction of section B51. 2. Items regarding loads and impact removed. Requirements for loads are now covered in clauses B50 or B51/320 to 500 and for impact in new clause 230.
217	New clause: For use where structural design information is provided. To suit introduction of section B50 or B51. Includes for the keeping of production/ execution records.
220	Technical revision: Sub-item regarding structure deleted. Durability of structural elements is now covered by specifying the design working life in clause B50 or B51/120.
230	New clause: Impact resistance of non-loadbearing vertical surfaces. Replaces requirements for impact resistance previously contained in clause 215.
240	New clause: Performance requirements for water penetration resistance.
480	Technical revision: Clause amended. BS EN 12600 added to clause item on impact strength.
630	Technical revision: Heading and clause text amended to include 'buildings'. Consistency throughout section.
637	Technical revision: Item for water penetration deleted. Included in new clause 240.
910	Clause deleted: Requirements now covered in B50 or section B51.
920	Clause deleted: Requirements now covered in B50 or section B51.
930	Technical revision: Sub-item regarding structural design deleted. Requirements now covered in section B50 or B51 and clause 215.

C30 Shoring/ Façade retention (Update 2010-2.1)
010*	Deleted clause: Covered in B50.Clause replaced by text regarding location of clauses to cover tendering, Eurocodes, load performance and surveys. To take into account transfer of tendering, Eurocodes, load performance, surveys, and monitoring to section B50.
110	Technical revision: Reference to both temporary or permanent structures. Description needed to be clarified.
160†	New clause: Clause regarding use of National Structural Steelwork Specification
180	Technical revision: Reference to BS 5975 added in requirement clause item Amendments and reformatting to take into account transfer of tendering, Eurocodes, load performance, surveys, and monitoring to section B50.
205*	Deleted clause: Guidance re Eurocodes covered in B50
210	Technical and Format change: Design criteria refer to B50. Amendments and reformatting to take into account transfer of tendering, Eurocodes, load performance, surveys, and monitoring to section B50.
215*	New clause: Clause added for situation where Employer's engineer designs façade retention structure. Amendments and reformatting to take into account transfer of tendering, Eurocodes, load performance, surveys, and monitoring to section B50.
220*	Format change: Guidance amended to take into account new clause numbers.
230	Deleted clause: Covered in 220 and 240
240*	Technical and Format change: Reference to requirements of B50 introduced. Responsibility for monitoring retention structure referred to B50. Amendments and reformatting to take into account transfer of tendering, Eurocodes, load performance, surveys, and monitoring to section B50.
250*	Technical and Format change: Loading requirements amended to refer to B50.Responsibility for monitoring retention structure referred to B50. Amendments and reformatting to take into account transfer of tendering, Eurocodes, load performance, surveys, and monitoring to section B50.
270	Technical and Format change: Clause heading altered. Item regarding ground investigation report removed. Covered in B50. Amendments and reformatting to take into account transfer of tendering, Eurocodes, load performance, surveys, and monitoring to section B50.
310	Deleted clause: Covered in B50.
320*	Deleted clause: Covered in B50.
330	Deleted clause: Covered in B50.
340	Deleted clause: Covered in B50.
345	Deleted clause: Covered in B50.
347*	Deleted clause: Covered in B50.
350*	Deleted clause: Covered in B50.
380	Technical revision: Reference to retention structure added. Rewritten to clarify descriptions.
390	Deleted clause: Covered in B50
420*	Technical revision: Reference to BS EN 1995-1-1 added to replace withdrawn BS 5268-2. Reference to BS EN 338 added. Superceded standards replaced with current standards.
600	Technical and Format change: Covered in B50. Reference to designated code of practice and falsework standard. Amendments to take into account transfer of tendering, Eurocodes, load performance, surveys, and monitoring to section B50.
610	Deleted clause: Covered in B50.
620	Deleted clause: Covered in B50.
630	Deleted clause: Covered in B50.
650	Technical revision: Scope of investigation increased. Omission in previous version rectified.
660	Technical revision: Clause guidance clarified. Instruction needed to be clarified.
680*	Technical revision: Text rewritten. Format of text made more positive.
690*	Technical revision: Scope of instruction increased. Omission in previous version rectified.
710	Technical revision: Instruction clarified.
730	Deleted clause: Covered in B50.
740	Deleted clause: Covered in B50.
750	Deleted clause: Covered in B50.
760*	Deleted clause: Covered in B50.
770†	Deleted clause: Covered in B50.

E05 In situ concrete construction generally (Update 2010-2.1)
210*	Technical and format revision: Clause rewritten. Design requirements transferred to section B50.
210†	New clause: Replacement for clause 220. Design criteria transferred to section B50.
215*	Technical and format revision: Clause rewritten. Drawings and schedule standards requirements transferred to clause 223.
220*	Technical and format revision: Clause rewritten. Consideration of situation where structural design provided to contractor.
220†	Clause deleted: Replaced by clause 210.
222*	Clause deleted: Eurocodes covered in section B50.
223	New clause: To cover standards for detailing.
290	Technical and format revision: Clause rewritten. Tolerance classes added. New execution standard.
410	New clause: Specification of execution classes. New execution code of practice.
420*	Technical revision: References to current codes clarified and withdrawn standards removed. To be in accordance with current codes.

E10 Mixing/ Casting/ Curing in situ concrete
817	New clause: Curing classes added with reference to new execution code of practice.
818	Technical revision: References to new execution standard to replace withdrawn standard. In accordance with Eurocodes.

E11 Sprayed in situ concrete (Update 2010-2.1)
140	Technical revision: Reference to admixtures Euronorm added. New standard.
210	Clause deleted: Now covered in section E05.
220	Clause deleted: Now covered in section B50.
250	Clause deleted: Now covered in section E05.
410	Technical revision: Addition to value list. To provide additional option.
430	Clause deleted: Covered in clause 140.
780	Technical revision: Reference to standard deleted. To allow selection of standard.

E20 Formwork for in situ concrete (Update 2010-2.1)
115	Clause deleted: Requirements transferred to section B50.
195	Technical revision: Word removed from item. Correct description to match guidance.
351*	Format change: Dot added. To correct layout of value list.

*E60 Precast/ Composite concrete floors/ roof decks (Update 2010-2.1)**
250	Technical revision: Reference made to designated code of practice. Reference to section B50 incorporated.
265	Clause deleted: Covered in section B50.
270	Clause deleted: Covered in section B50.
280	Clause deleted: Covered in section B50.

F30 Accessories/ Sundry items for brick/ block/ stone walling
150	Format change: In item 'Insulation', sub item 'Standard' deleted and British standard reference numbers added to example values.
155	Format change: In item 'Insulation', sub item 'Standard' deleted and British standard reference numbers added to example values.
214*	Format change: In item 'Manufacturer', sub item 'Material/ Finish' revised to item status. Editorial correction.
236	Format change: 'Studs through sheathing' added to item 'Fixing to timber frame' to ensure ties are fixed correctly.
242	New clause: To allow the specification of surface mounted channels/ slots.
245	Format change: Clause heading and item 'Slot fixing' revised to include channel as an alternative description. Terminology clarification.
248	Format change: Clause heading and item 'Slot fixing' revised to include channel as an alternative description. Terminology clarification.
910	Technical revision: In item 'Core ball test...', 'BS 646-11' deleted 'BS EN 15287-1 NA7' added. BS 6461-1has been superseded by BS EN 15287-1.
915	Technical revision: In item 'Core ball test...', 'BS 646-11' deleted 'BS EN 15287-1 NA7' added. BS 6461-1has been superseded by BS EN 15287-1.
920	Technical revision: In item 'Core ball test...', 'BS 646-11' deleted 'BS EN 15287-1 NA7' added. BS 6461-1has been superseded by BS EN 15287-1.
923	New clause: To allow specification of concrete flue block system to BS EN 1858.
925*	Technical and format revision: 1. In item 'Block standard...', sub item 'Form' revised to 'Flue form'. 2. In item 'Core ball test...', 'BS 646-11' deleted and 'BS EN 15287-1 NA7' added. BS 6461-1 has been superseded by BS EN 15287-1.

G10 Structural steel framing
110	Technical and format revision: Items regarding design standards, design parameters, and other requirements deleted to suit introduction of section B50. Design standards now covered in B50. Introduction of section B50.
111*	Technical and format revision: Items regarding design standards, design parameters, and other requirements deleted to suit introduction of section B50. Design standards now covered in B50. Introduction of section B50.
112*	Technical and format revision: Items regarding design standards, design parameters, and other requirements deleted to suit introduction of section B50. Design standards now covered in B50. Introduction of section B50.
114*	Clause deleted: Eurocodes covered in section B50.
310*	Technical revision: Reference to designated code of practice added. Reference changed to relate to section B50.
315	Clause deleted: Clause incorporated in section E42.
325*	Technical revision: Design standard changed to BS EN 14399-9. BS 7644-1 withdrawn.

H21 Timber weatherboarding
110	Technical revision: Quality of timber item amended. Option of specifying quality of timber to either BS 1186-3 or BS EN 14519 now provided.
111	Technical revision: Quality of timber item amended. Option of specifying quality of timber to either BS 1186-3 or BS EN 14519 now provided.
115	Technical revision: Quality of timber item amended. Option of specifying quality of timber to either BS 1186-3 or BS EN 14519 now provided.
116	Technical revision: Quality of timber item amended. Option of specifying quality of timber to either BS 1186-3 or BS EN 14519 now provided.

H43 Metal composite panel cladding/ covering (Update 2010-2.1)
110*	Format change: Deletion of 'Class', moved to value lists/ clause guidance. New NBS formatting.
130*	Format change: Internal sheet – Sealing and Thermal insulation items amended. Properties specified in Fixing clauses
150*	Format change: Deletion of 'Class', moved to value lists/ clause guidance. New NBS formatting.
151*	Format change: Deletion of 'Class', moved to value lists/ clause guidance. New NBS formatting.
155*	Format change: Deletion of 'Class', moved to value lists/ clause guidance. New NBS formatting.
160	Format change: Deletion of 'Class', moved to value lists/ clause guidance. New NBS formatting.
192*	Format change: 1. '- weighted' added to clause heading. Clarification. 2. Item 'Minimum weighted sound reduction index (Rw)' deleted. Items 'Location' and 'Requirement' added. To allow more consistent PDF file creation.
193*	Format change: Item 'Minimum weighted sound reduction indices (R) to BS EN ISO 140-3' deleted. Items 'Location' and 'Requirement' added. To allow more consistent PDF file creation.
194*	Format change: Item 'Minimum sound absorption coefficients (alpha s)' deleted. Items 'Location' and 'Requirement' added. To allow more consistent PDF file creation.
200*	Format change: In item 'Outdoor psychrometric conditions (notional)', table deleted, sub-items 'Temperature', 'Relative humidity' and 'Vapour pressure' added. To allow more consistent PDF file creation.

H72 Aluminium strip/ sheet coverings/ flashings*
530	Technical revision: Changes to wind load item – now referred to as structural requirements. BS 6399-2 has been withdrawn and replaced by reference to Eurocodes in section B50.
535	Technical revision: Changes to wind load item. Structural requirements item added. BS 6399-2 has been withdrawn and replaced. Refer to section B50 with regards to general performance criteria for structural requirements.

H74 Zinc strip/ sheet coverings/ flashings*
530	Technical revision: Changes to wind load item – now referred to as structural requirements. BS 6399-2 has been withdrawn and replaced by reference to Eurocodes in section B50.
535	Technical revision: Changes to wind load item. Structural requirements item added. BS 6399-2 has been withdrawn and replaced. Refer to section B50 with regards to general performance criteria for structural requirements.

H75 Stainless steel strip/ sheet coverings/ flashings
520	Technical revision: BS EN ISO 9445 deleted. Standard has been withdrawn and replaced by BS EN ISO 9445-1 and -2.
535*	Technical revision: Changes to wind load item – now referred to as structural requirements. BS 6399-2 has been withdrawn and replaced by reference to Eurocodes in section B50.
537*	Technical revision: Changes to wind load item. Structural requirements item added. BS 6399-2 has been withdrawn and replaced. Refer to section B50 with regards to general performance criteria for structural requirements.

K11 Rigid sheet flooring/ sheathing/ decking/ sarking/ linings/ casings (Update 2010-2.1)
110	New clause: New clause added which deals with standard for wood-based sheet. Requirement for BREEAM credits relating to limiting the emission of volatile organic compounds.

K13 Rigid sheet fine lining and panelling
145	Technical revision: Change to clause heading. Word 'wall' removed to widen scope of clause.

M12 Resin flooring (Update 2010-2.1)
130	New clause: This new clause allows specification of Green Guide ratings of materials used for flooring.
210	Technical revision: Rewording of clause property relating to relative humidity of substrate. Aligns with NBS practice.
390*	New clause: Allows for testing of slip resistance.
410	Technical and format revision: New item 'Other requirements' added. Allows other features to be noted, e.g. requirement for applied slip resistant accessories.
450	New clause: Allows specification of slip resistant accessories.

M60 Painting/ Clear finishing† (Update 2010-2.1)
456	Format change: Correction to spelling.

N10 General fixtures/ furnishings/ equipment
145	Technical revision: Word 'exposed' added to item 'edges'. For accuracy and consistency.

N11 Domestic kitchen fittings/ furnishings and equipment
650	Technical revision: Reference documents update. BS 6700 partially replaced by BS EN 806-4.

P30 Trenches, pipeways and pits for buried engineering services
475	Technical and format revision: Re-written to provide greater flexibility. To improve compatibility with Engineering Services clauses.

Q40 Fencing
130*	Technical revision: Clause amended. Clause item added to allow the specification of finishes to posts and struts.
140*	Technical revision: Clause amended. Clause item added to allow the specification of finishes to posts and struts.
141*	Technical revision: Clause amended. Clause item added to allow the specification of finishes to posts and struts.
150*	Technical revision: Clause amended. Clause item added to allow the specification of finishes to posts and struts.
151*	Technical revision: Clause amended. Clause item added to allow the specification of finishes to posts and struts.
160*	Technical revision: Clause amended. Clause item added to allow the specification of treatment of finishes to posts.
165*	Technical revision: Clause amended. Clause item added to allow the specification of treatment and finishes to posts.
170*	Technical revision: Clause amended. Clause item added to allow the specification of finishes to acoustic fencing.
565	Technical revision: Clause amended. Clause item removed.
715	Technical revision: Clause amended. Clause items altered to accommodate the changes to UKAS Sector Scheme certification.

Q41 Barriers/ Guardrails (Update 2010-2.1)
110	Technical revision: Clause amended. Title change and deletion of clause item for compliance with Eurocodes, and Separation of Fixings and Foundations for clarity.
117*	Technical revision: Clause amended. Clause item added to ensure compliance with BS 7818.
120*	Technical revision: Clause amended. Deletion of clause item for compliance with Eurocodes.
125*	Technical revision: Clause amended. Title change and deletion of clause item for compliance with Eurocodes.
130	Technical revision: Clause amended. Deletion of clause item for compliance with Eurocodes.
135	Technical revision: Clause amended. Clause item for design load removed as this is now specified in clause 300.
140*	Technical revision: Clause amended. Title change for clarity.
150*	Technical revision: Clause amended. Clause item changed from Finish to Surface finish.
170	Technical revision: Clause amended. Title change for clarity.
180*	Technical revision: Clause amended. Title change for clarity.
190	Technical revision: Clause amended. Title change for clarity.
212	Technical revision: Clause amended. Clause item changed from Finish to Surface finish.
240	New clause: Introduced to allow more detailed specification of handrails in compliance with BS 8300.
300	Technical revision: Introduced to allow specification of structural design in compliance with Eurocodes.
405	New clause: Introduced to allow specification of contractor's competence through the UKAS scheme when installing fencing and railings.

Q52 Play and sports equipment*
350	New clause: Clause created to allow the specification of equestrian equipment.
355	New clause: Clause created to allow the specification of equestrian equipment.
670	New clause: Clause created to allow the specification of equestrian equipment.

*R10 Rainwater drainage systems (Update 2010-2.1)**
130	New clause: New clause. To cover pressure assisted systems.
250	New clause: New clause. To cover pressure assisted systems.
400	Technical revision: BS 21 deleted. Standard withdrawn.
670	Technical revision: Clause heading changed. To cover pressure assisted as well as siphonic systems.

S17 Water reclamation systems†
380	Technical revision: Item 'Accessories' deleted. Standard BS EN 14154-2 relates to installation, not accessories.

S90 Hot and cold water supply systems – domestic†
540	Technical revision: Details of material standards amended. For clarity.
715	Technical revision: BS EN 806-4 added to Installation. BS 6700 will be replaced by BS EN 806-4 when all five parts have been published.
910	Technical revision: BS EN 806-4 added to Standard. BS 6700 will be replaced by BS EN 806-4 when all five parts have been published.
920	Technical revision: BS EN 806-4 added to Disinfection. BS 6700 will be replaced by BS EN 806-4 when all five parts have been published.
930	Technical revision: BS EN 806-4 added to Standard. BS 6700 will be replaced by BS EN 806-4 when all five parts have been published.
940	Technical revision: BS EN 806-4 added to Standard. BS 6700 will be replaced by BS EN 806-4 when all five parts have been published.

V90 Electrical systems – domestic† (Update 2010-2.1)
922	Technical revision: Item relating to low carbon buildings programme certificate deleted and replaced with microgeneration certification scheme.
925	Technical revision: Item relating to low carbon buildings programme certificate deleted and replaced with microgeneration certification scheme.

Z10 Purpose made joinery
120	Technical revision: Clause amended. BS EN 1313-1:2010 no longer gives reference to NA2 regarding further working of wood section.

Minor Works

B12 Conservatories (Update 2010-2.1)
30	Technical revision: Reference to standards updated. To include relevant parts.

F30 Accessories/ Sundry items for brick/ block/ stone walling
10	Format change: In item 'Insulation', sub item 'Standard' deleted and British standard reference numbers added to example values.
12	Format change: In item 'Insulation', sub item 'Standard' deleted and British standard reference numbers added to example values.
37	Format change: 'Studs through sheathing' added to item 'Fixing to timber frame'. To ensure ties are fixed correctly.
40	New clause: To allow the specification of surface mounted channels/ slots.
88	Technical revision: In item 'Core ball test...', 'BS 646-11' deleted and 'BS EN 15287-1 NA7' added. BS 6461-1 has been superseded by BS EN 15287-1.
93	New clause: To allow specification of concrete flue block system to BS EN 1858.

H21 Timber weatherboarding
10	Technical revision: Quality of timber item amended. Option of specifying quality of timber to either BS 1186-3 or BS EN 14519 now provided.
15	Technical revision: Quality of timber item amended. Option of specifying quality of timber to either BS 1186-3 or BS EN 14519 now provided.

H43 Metal composite panel cladding/ covering (Update 2010-2.1)
30	Format change: Deletion of 'Class': moved to value lists/ clause guidance. New NBS formatting.

H75 Stainless steel strip/ sheet coverings/ flashings
40	Technical revision: BS EN 10258 and BS EN 10259 deleted. Standards have been withdrawn and replaced by BS EN ISO 9445-1 and -2.

M12 Resin flooring (Update 2010-2.1)
55	New clause: Item 'Colour' changed from default value to editable item. Allows for specification to reflect recommendations in BS 8300 regarding visual contrast.

S90 Hot and cold water supply systems – domestic
53	Technical revision: Details of material standards amended. For clarity.
70	Technical revision: BS EN 806-4 added to Installation. BS 6700 will be replaced by BS EN 806-4 when all five parts have been published.
90	Technical revision: BS EN 806-4 added to Standard. BS 6700 will be replaced by BS EN 806-4 when all five parts have been published.
91	Technical revision: BS EN 806-4 added to Disinfection. BS 6700 will be replaced by BS EN 806-4 when all five parts have been published.
92	Technical revision: BS EN 806-4 added to Standard. BS 6700 will be replaced by BS EN 806-4 when all five parts have been published.
93	Technical revision: BS EN 806-4 added to Standard. BS 6700 will be replaced by BS EN 806-4 when all five parts have been published.

V90 Electrical systems – domestic (Update 2010-2.1)
96	Technical revision: Item relating to low carbon buildings programme certificate deleted and replaced with microgeneration certification scheme.
97	Technical revision: Item relating to low carbon buildings programme certificate deleted and replaced with microgeneration certification scheme.

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