colouring-montreal/migrations/011.sustainability-extra.up.sql

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2019-09-18 06:08:02 -04:00
-- BREEAM ratings, one of:
-- - Outstanding
-- - Excellent
-- - Very good
-- - Good
-- - Pass
-- - Unclassified
CREATE TYPE sust_breeam_rating
AS ENUM ('Outstanding',
'Excellent',
'Very good',
'Good',
'Pass',
'Unclassified');
ALTER TABLE buildings
ADD COLUMN IF NOT EXISTS sust_breeam_rating sust_breeam_rating DEFAULT 'Unclassified';
-- Date of BREEAM
ALTER TABLE buildings
ADD COLUMN IF NOT EXISTS sust_breeam_date smallint;
-- DEC (display energy certifcate, only applies to non domestic buildings)
-- A - G
CREATE TYPE sust_dec
AS ENUM ('A',
'B',
'C',
'D',
'E',
'F',
'G');
-- Date of DEC YYYY
ALTER TABLE buildings
ADD COLUMN IF NOT EXISTS sust_dec_date smallint;
ALTER TABLE buildings
ADD COLUMN IF NOT EXISTS sust_dec sust_dec;
-- Aggregate EPC rating (Estimated) for a building, derived from inidividual certificates
-- A+ - G
CREATE TYPE sust_aggregate_estimate_epc
AS ENUM ('A',
'B',
'C',
'D',
'E',
'F',
'G');
ALTER TABLE buildings
ADD COLUMN IF NOT EXISTS sust_aggregate_estimate_epc sust_aggregate_estimate_epc;
-- Last significant retrofit date YYYY
ALTER TABLE buildings
ADD COLUMN IF NOT EXISTS sust_retrofit_date smallint;
--How much embodied carbon? One for ML, tons CO2 int
ALTER TABLE buildings ADD COLUMN IF NOT EXISTS sust_embodied_carbon numeric(7,2);
--Life expectancy of the building, via further analysis
ALTER TABLE buildings ADD COLUMN IF NOT EXISTS sust_life_expectancy smallint;
--Average lifespan of typology based on statistical analysis of similar stock
ALTER TABLE buildings ADD COLUMN IF NOT EXISTS sust_lifespan_average smallint;