The number is divided into three parts. The Area Number, the first three digits, is assigned by geographical region. Prior to 1973, cards were issued in local Social Security offices around the country and the Area Number represented the office code where the card was issued.
The purpose of the PCC Tree and Vegetation Policy-for Council Land is to provide a consistent approach to management of trees and vegetation across all Council owned land throughout the city.ree and Vegetation Policy. This page describes the Porirua City Council's Tree and Vegetation Policy approved on 24 June 2009.
Short rotation coppice (SRC) is coppice grown as an energy crop.This woody solid biomass can be used in applications such as district heating, electric power generating stations, alone or in combination with other fuels. Currently, the leading countries in area planted for energy generation are Sweden and the UK. plantation can be harvested for up to thirty years before needing to be replanted. When willow or poplar shoots are harvested as whole stems they are easy to store. The stems can be dried for combustion in a pile outdoors; the moisture content of the wood will decrease to about 30% on average until the next autumn.