ILP Guidance Note 1 updated - KBCN1385
Pol 04 references the ILP
Guidance notes for the reduction of obtrusive light 2011.
This has now been updated to the ILP
Guidance note 1 for the reduction of obtrusive light 2021.
This is available for free from the
ILP website.
Requirements
Table 2 of the guidance note classifies different lighting environments into Zones E0 to E4. Use this table to define which sets of requirements apply to the assessment.
Tables 3-8 of the guidance note define the requirements for criterion 2.
For cut-off type luminaires which (by design) block out light in obstructive directions, calculations are
not required for meeting requirements relating to:
- Vertical illuminance (Table 3), and
- Luminous intensity (Table 4).
This update will be reflected in the future revisions of the relevant manuals.
02-Nov-2021 Applicability to all UK BREEAM schemes confirmed.
27-Sep-2023 Updated for ILP Guidance Note 1 2021. Requirements clarified. Scheme applicability updated.
Reduction of night time light pollution – Night-time operation - KBCN0697
Note: This KBCN supersedes INC 2016/INC V6 Pol 04 CN3.1
During hours of operation between 23:00 and 07:00, lighting required for operational reasons does not have to be modified for BREEAM compliance.
The aim of this Issue is to reduce light pollution by automatically switching off the external lighting or by complying with lower levels when the building is not in use.
23 Jan 2023 - Note added to address conflict with INC Pol 04 CN3.1. KBCN title updated for consistency - The technical manual will be updated accordingly in the next re-issue
008 Mar 2018 Wording amended to add clarity.
