Tender For Provision of Contracted Professional services for Tree Surveys.

Descriptions

Beyond Housing requires sub-contractor to deliver the completion of a tree survey across all non-domestic open spaces it owns. Beyond Housing requires an inspection to manage tree stock to British Standard BS5837- 2012 Trees in relation to design, demolition and construction, or equivalent. Beyond Housing are looking to create a database that assesses the current risks posed by tree stock and establish an effective management regime. Young and small trees should not be included unless deemed to present a particular risk. o A tree survey must include the following elements as a minimum, o A topographical survey showing the exact locations of the tree/s using GIS software. o A schedule to the survey that includes the following: o A reference number for each tree or group to be recorded on the tree survey plan o Species listed by common name o The approx. height o The stem diameter measured in accordance with Annex C of BS 5837:2012 o The branch spread at four cardinal points o Existing height above ground level of the first significant branch and canopy o Life stage (e.g. young, semi-mature, early mature, mature, over-mature) o General observations, particularly of structural and/or physiological condition o The removal/retention category U or A to C grading (see 4.5 and table 1 and 2 of BS 5837:2012) o An estimate of remaining contribution in years (<10, 10+, 20+, 40+) o The preliminary management recommendations o A Tree Constraints Plan o An Arboriculture Implication Assessment o A Tree Protection Plan o Arboriculture Method Statements where necessary The report must also give a clear indication of additional factors affecting tree growth or potential conflicts e.g. building proximity, electrical installations / cabling etc.