tagged "Plot Groundworks"
The following Trade Specifications must be read in conjunction with all other Contract documentation including; Tender Letter, General Terms, Conditions of Contract for Works, Labour Only and Purchase Orders, General Construction Notes (England & Wales), Suppliers and Sub Contract Works - Customer Charter and the Company's Occupational Safety, Health & Environmental Management System.
Our aim is to enable our sub-contractors and suppliers to access key Commercial information such as Terms & Conditions, Trade Specification, etc. online as soon as they are updated and revised. We hope that this will ensure that our supply chain is always fully informed as quickly as possible.
Whilst available online, this information is also available from the Commercial Departments at our Divisional offices and will form part of any contract we place (as set out in the Order).
Please be aware that bogus web sites seeking fees for the chance of working with major contractors exist.
Senior Group Commercial Manager
Revision W 01.07.2021
Group Supplier details updated.
Pavings – Tobermore and Marshalls PLC.
Geowall Decorative Retaining Wall System – Retaining UK Limited
Supply of Beams - Forterra name change to Bison
Section 6.1 – requirement added that the Contractor is to ensure that any stone used for pedestrian walkways, scaffold platforms and hard standings laid during the construction process are to be removed and reused.
Section 11.12 – note has been added to ensure that all deleterious materials and sharp objects are removed prior to installation of membranes to avoid any risk of any damage to the membrane.
Section 13 – Safety, Health and Environmental general update in accordance with Group Health & Safety and Group Sustainability. These notes include updates to plant deliveries, vehicle marshals, minor other rewording.
Section 13.18 Excavating/Digging – requirement added the hierarchy for ensuring safe digging for plot connections is as follows: Sand/gravel bags placed upon laid services to negate the need for digging in close proximity. Vacuum/suction extraction plant where practicable but be utilised around any high pressure or high power services.
Revision V 01.08.2020
4. Domestic Drainage
4.17 updated - Shared Drives with large vehicular access shall have a Class B125 Cover and Frame (minimum) to any Inspection Chambers located within the drive area.
Revision U 01.01.2020
General Item f) Group Suppliers. FP McCann added to the list for Precast Concrete L Retaining Wall System.
General Item g) Health & Safety. The Contractor's attention is drawn to the Safety, Health and Environmental section of this Plot Groundworks Trade Specification and the requirements noted.
Revision T 20.09.2019
Updated section 3.1 to reference installation of ARC Fire Stopping products.
Revision S 01.01.2019
Minor changes to this specification include fall protection to all foundation slabs with a risk greater than a 600mm fall.
Removal of patio areas within the trade specification.
Addition of Manthorpe telescopic vent to Section 11.15 for all block & beam, NuSpan and Jetfloor system foundations.
New Section 11.21 has been added to provide the requirements for scaffold bases.
Revision R 01.07.2018
Group supplier information amended.
Revision Q 01.01.2018
12 -12.5 Screed section from Drylining specification added as a crossover where screeds are completed by groundworker.
Revision P 01.07.2017
Formatting changes only.
Revision O 01.01.2017
Section 5, Drives, has been updated to note revisions to the construction specification. Subsection 5.2 now notes that drives are to be
constructed in two stages, up to and including binder course and a second visit to complete the surface course. Subsections 5.4 and 5.5 have been updated to reflect the revised construction specification for private and shared drives introducing 20mm Stone Mastic Asphalt in the surface course for private drives and 30mm for shared drives. Subsection 5.6 has been added to specify the minimum requirements to ensure drives drain away from buildings or be set a minimum distance from the building in accordance with NHBC guidelines. Subsection 5.7 has also been added to specify the detail for the demarkation of bays within multiple parking bays.
Section 8, Paths/Patios, has been amended to specify 32mm paving slabs as currently supplied in accordance with the Group commodity agreement with Marshalls.
Section 11, Substructure, has been amended to specify the quality of the topsoil to be imported where the Contractor is to provide allowances within the tender. Details have also been added to subsection 11.8 for cast-insitu suspended slab construction, compliant with 2013 Building Regulations. Subsection 11.9 details have been added for Timber Frame Construction, the requirements for trench block sizing for cast-insitu floor slabs and beam and block floor slabs has been noted. Additional notes have been added to instruct the Groundwork Contractor to use timber/metal sections as shuttering for the concrete and not splash brickwork with sacrificial insulation. Subsection 11.13 has also been updated to reflect the insulation requirements for Beam and Block Floor Construction, compliant with 2013 Building Regulations.