NBS | National Building Specification | NBS Engineering Services Update 2011-2

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JCT 2011 Contracts

From 1 October in England and Wales and 1 November in Scotland all building contracts signed must comply with the Local Democracy, Economic Development and Construction Act. As an immediate response to this and to ensure you are up-to-date and complying with this change, NBS have included two newly published JCT contracts in this update, which comply with the legislation and avoid the provisions of the Scheme for Construction Contracts 2011 applying in default. Additional information may be found in our JCT 2011 contracts article.

Update 2011-3

165 Work sections now in NBS Engineering Services (excluding Preliminaries)

Our ongoing efforts to keep your specifications up-to-date have, this update, resulted in:

Amendments to 20 sections, comprising:
– 4 work sections contain only amended references.
– 2 work sections contain improvements to general or clause guidance, without changes to the clause text.
– 14 work sections contain changes to clause text, with or without changes to general or clause guidance.

Red dot - Domestic NBS Engineering Services library    Domestic library
Green dot - Core Version NBS Engineering Services library    Core version library
Blue dot - Specialist NBS Engineering Services library    Specialist library

The list that follows highlights work sections in NBS Engineering Services Update 2011-3 which have undergone technical revisions.

If you have any questions, please contact our Software Support department on 0845 456 9594.

Work Sections

	P30 Trenches, pipeways and pits for buried engineering services British Standards updated – reference to BS 8110 has been deleted and replaced by BS EN 1992-1-1.
	S17 Water reclamation system (Update 2011-2.1) BS 8515 for rainwater harvesting systems and BS 8525-1 for greywater systems added.
	S70 Gaseous fire extinguishing systems (Update 2011-2.1) Updated to incorporate changes in standards for gas storage cylinders.
	S76 Foam fire fighting systems (Update 2011-2.1) Updated to incorporate changes in standards for foam firefighting systems.
	S92 Sprinkler systems – domestic (Update 2011-2.1) Updated to incorporate changes in standard for PVC-U piping fittings.
	T20 Gas and oil fired boilers (Update 2011-2.1) Amended to clarify change in standard.
	T36 Gas fired heating units (Update 2011-2.1) Amended to clarify standards.
	T60 Central refrigeration plant (Update 2011-2.1) Amended to clarify change in standard.
	U80 Air Ductwork and Ancilliaries (Update 2011-2.1) New ASFP Grey book added and DW145 for details of fire dampers. BSRIA document for supporting ductwork added.
	U87 Silencers and acoustic treatment Standards updated.
	V59 Luminaries and Lamps (Update 2011-2.1) This section has been updated following the replacement of BS PD IEC TS 61231 with BS EN 61231 and the addition of further luminaire standards.
	V90 Electrical systems – domestic This work section has been revised to reflect the updating of ENA Engineering Recommendation G59 and the withdrawal of CIBSE Technical Memorandum TM10.
	W90 Communications and security systems – domestic This section has been updated following the replacement of BS EN 50083-7 with BS EN 60728-1 and the partial replacement of BS EN 6512-4 with BS EN 60728-1, BS EN 60728-1-1, BS EN 60728 -1-2 and BS EN 60728-11.
	Z11 Purpose made metalwork British Standards updated – reference to BS 8110 has been deleted and replaced by BS EN 1992-1-1.