CFH Cabinets & Chamber Quality Assurance check

• Site conducted

  Select

• 

• OHSF-PR-08-07 Version 1 Revision 1 Dated 21/01/2021
  

• Conducted on

  Date

• (Format:- City - Job Pack / PN Number) E.g Aberdeen S12345 Always insert City name and Job Pack / PN number if known

• Team Leader/ Team name

• CityFibre Holdings Ltd, 15 Bedford St, London, WC2E 9HE

• Location
  Address

• Prepared by

• Who is the principle contractor?

  Select

• What is the name of the principle contractor?

• Please send an email to iAuditor.support@cityfibre.com detailing the contractor name and city.

• If unknown/other have you sent an email to iAuditor.support@cityfibre.com?

  Yes

  No

• Prior to conducting the audit, please ensure you have familiarised yourself with the relevant Manual for Build Assurance Quality Procedures. Cabinet - https://cityfibreholdings.sharepoint.com/:b:/r/IMS/QMS/Shared%20Documents/Build%20Assurance/QMSF-PR-08-08-05-04%20Cabinets.pdf?csf=1&web=1&e=5WoYKu Chamber - https://cityfibreholdings.sharepoint.com/:b:/r/IMS/QMS/Shared%20Documents/Build%20Assurance/QMSF-PR-08-08-05-03%20Chambers.pdf?csf=1&web=1&e=yVdqST

• Please answer the following 3 questions based on your dynamic risk assessment on arrival at the site. If you answer 'No' to any of the following questions please explain this in the free text field which appears with a 'No' answer, end the audit and take the appropriate action.

• Is it safe for you to conduct this audit?

  Yes

  No

• Please explain why and what action you have taken as a result.

• Is it safe for the construction workers to continue work?

  Yes

  No

• Please explain why and what action you have taken as a result.

• Is it safe for members of the public in the areas, surrounding the site, that they are able to access?

  Yes

  No

• Please explain why and what action you have taken as a result.

• Is there a copy of the Green Book available on site

  Yes

  No

• Are the operatives on site in possession of a valid NOPS card?

  Yes

  No

• Are the operatives on site accredited to carry out the task being undertaken?

  Yes

  No

  N/A

• What are you inspecting?

  Cabinet

  Chamber

  Combined Cabinet and Chamber

Chambers

• Excavation preferable 150mm (minimum 100mm) larger than the outside of the chamber segment.

  Yes

  No

  Not Witnessed

• What material is the chamber constructed with?

  Concrete

  Brick

  Modular

• Is the chamber constructed with the correct number of segments/rings in accordance with PEA_FG_009?

  Yes

  No

• Please ensure this is recorded as a defect.

• Please confirm number of segments/rings.

• Is the chamber deep enough to accommodate the correct depth of cover for duct entries

  Yes

  No

• Floor construction to be 100mm thick of lean mix C30

  Yes

  No

  Not Witnessed

Sumps

• Is there a sump installed? Applicable to F/way 6, 10

  Yes

  No

  N/A

• Are Brackets and Bearers installed? Applicable to F/way 4, 6, 10 and all C/Way Chambers

  Yes

  No

  N/A

• Are Steps installed? Applicable to F/way 6, 10 and all C/way Chambers

  Yes

  No

  N/A

Duct Entries

• Do ducts pass through the wall of the chamber and, preferably, cut flush with the inner face of the chamber. However where this isn't possible, a maximum of 25mm can protrude. In both instances they must be de-burred.

  Yes

  No

• Are ducts from opposing ends inline

  Yes

  No

  N/A

Duct Positions

• Is the bottom of the duct/ducts installed greater than 100mm from the base & the side of the duct greater than 75mm from the sidewall

  Yes

  No

• Please provide a photo of ducts/chamber

  Media

• The separation between ducts be it vertical or horizontal should be 25mm

  Yes

  No

  N/A

• The chamber sidewalls to be backfilled with type one material in even lifts/layers not exceeding 150mm each layer

  Yes

  No

  Not Witnessed

Frame and Cover

• Is the frame and cover bedded on CD534 compliant mortar 10-50mm, flush with the existing surface in the same plane as the chamber?

  Yes

  No

  N/A

• Is there mortar over the exterior flanges/grout bar? this should be at a 45degree angle

  Yes

  No

  Not Witnessed

• In grass verge the frame and cover should be 25mm lower than the surrounding surface

  Yes

  No

  N/A

Reinstatement

• Is the finished surface around the chamber reinstated to comply with the SROH/R.

  Yes

  No

  N/A

Location

• Cabinet to be sited with 100mm clearance to any surrounding fixed structure to allow for maintenance

  Yes

  No

• Front of the cabinet to be a minimum of 1200mm from the roadside edge of the kerb?

  Yes

  No

Installation of Cabinets

• Does the excavation allow for 100mm minimum on all sides around the cabinet base?

  Yes

  No

• Minimum excavation depth must be at least 350mm deep

  Yes

  No

  Not Witnessed

Duct Installation

• Is there three 110mm diameter 90-degree bends installed into the root base with a separation distance of 40mm +/- 10mm, and a depth of cover 250mm?

  Yes

  No

• Are ducts installed centrally within the cabinet root base

  Yes

  No

• Is the root installed level/squarely and aligned to the ductwork

  Yes

  No

Root Installation

• Is the top of the root base a minimum of 50mm clearance from the existing surface level

  Yes

  No

• Is the surround and root filled with concrete (if in soft or grassed area float finish with a slight chamfer to allow water dispersion)

  Yes

  No

• Are the ducts cut flush and de-burred with the finished surface to allow resin seal to flow over the top maintaining a minimum clearance of 50mm from the top of the resin to the top of the root base?

  Yes

  No

• If ducts cannot be cut flush, can the finished surface level be made up with kiln dried sand to allow the resin to flow over the top of the ducts, maintaining a minimum clearance of 50mm from the top of the resin to the top of the root base?

  Yes

  No

• Please provide a photograph

  Media

Chambers

• Excavation preferable 150mm (minimum 100mm) larger than the outside of the chamber segment.

  Yes

  No

• What material is the chamber constructed with?

  Concrete

  Brick

  Modular

• Is the chamber constructed with the correct number of segments/rings in accordance with PEA_FG_009?

  Yes

  No

• Please ensure this is recorded as a defect.

• Please confirm number of segments/rings.

• Is the chamber deep enough to accommodate the correct depth of cover for duct entries

  Yes

  No

• Floor construction to be 100mm thick of lean mix C30

  Yes

  No

  Not Witnessed

Sumps

• Is there a sump installed? Applicable to footway 6 and larger

  Yes

  No

  N/A

• Are Brackets, Bearers and Step installed? Applicable to footway 6 and larger

  Yes

  No

  N/A

Duct Entries

• Do ducts pass through the wall of the chamber and, preferably, cut flush with the inner face of the chamber. However where this isn't possible, a maximum of 25mm can protrude. In both instances they must be de-burred.

  Yes

  No

• Are ducts from opposing ends inline

  Yes

  No

  N/A

Duct Positions

• Ducts should not be installed less than 100mm from the base & 75mm from the sidewall

  Yes

  No

• Please provide a photo of ducts/chamber

  Media

• Separation between ducts be it vertical or horizontal to be 25mm

  Yes

  No

  N/A

• Chamber sidewalls to be backfilled in even lifts/layers not exceeding 150mm each with type 1 material

  Yes

  No

  Not Witnessed

Frame and Cover

• Is the frame and cover bedded on CD534 compliant mortar 10-50mm, flush with the existing surface in the same plane as the chamber?

  Yes

  No

  N/A

• Is there mortar over the exterior flanges/grout bar? this should be at a 45degree angle

  Yes

  No

  Not Witnessed

• In grass verge frame and cover to be 25mm lower than surrounding surface

  Yes

  No

  N/A

Reinstatement

• Is the finished surface around the chamber reinstated to comply with the SROH/R.

  Yes

  No

  N/A

Cabinets

Location

• Cabinet to be sited with 100mm clearance to any surrounding fixed structure to allow for maintenance

  Yes

  No

• Front of the cabinet to be a minimum of 1200mm from the roadside edge of the kerb?

  Yes

  No

Installation of Cabinets

• Does the excavation allow for 100mm minimum on all sides around the cabinet base?

  Yes

  No

• Minimum excavation depth must be at least 350mm deep

  Yes

  No

  Not Witnessed

Duct Installation

• Is there three 110mm diameter 90-degree bends installed into the root base with a separation distance of 40mm +/- 10mm, and a depth of cover 250mm?

  Yes

  No

• Are ducts installed centrally within the cabinet root base

  Yes

  No

• Is the root installed level/squarely and aligned to the ductwork

  Yes

  No

Root Installation

• Is the top of the root base a minimum of 50mm clearance from the existing surface level

  Yes

  No

• Is the surround and root filled with concrete (if in soft or grassed area float finish with a slight chamfer to allow water dispersion)

  Yes

  No

• Are the ducts cut flush and de-burred with the finished surface to allow resin seal to flow over the top maintaining a minimum clearance of 50mm from the top of the resin to the top of the root base?

  Yes

  No

• If ducts cannot be cut flush, can the finished surface level be made up with kiln dried sand to allow the resin to flow over the top of the ducts, maintaining a minimum clearance of 50mm from the top of the resin to the top of the root base?

  Yes

  No

• Please provide a photograph

  Media

• Would you like to highlight any good practice?

  Yes

  No

• Who would you like to highlight?

  Contractor / Gang

  Individual

  Other

• If answer is other, please specify.

• Please name the group / individual you would like to highlight

• Which category best describes the good practice? Categories TBC

  Select

• Please give a description of the practice you have observed and would like recognised.

• Please provide the name of the Supervisor or Sub-Contractor.

• Please provide the name of the Gang Leader.

• Auditor Signature