Report Deep Dives articles – page 4

377 articles
Report Deep Dives7 min read

Sizing bin stores in a waste management strategy

Bin store sizing rests on four local numbers: litres per dwelling per week, collection frequency, the authority's container fleet, and the carry and drag distances its crews accept.

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Report Deep Dives7 min read

The feedback log in a statement of community involvement

The feedback log is the part of a statement of community involvement that carries weight. Here is how to record reach, categorise issues and evidence the changes an engagement produced.

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Report Deep Dives6 min read

Child yield and play space calculation explained

Play requirements follow the number of children, not the number of homes. Two numbers decide the answer: children per dwelling type and square metres per child.

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Tenure mix and transfer values in an affordable housing statement

An affordable housing statement has to be capable of becoming a section 106 clause. Here is how to set out tenure, mix, distribution and transfer values so the offer survives the housing officer.

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Report Deep Dives7 min read

The commitments register in an environmental statement

The commitments register is the table that lets a case officer secure everything an environmental statement assumed. Here is how to structure it so conditions and obligations follow cleanly.

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Report Deep Dives7 min read

The ground model and Eurocode categories in a geotechnical report

A geotechnical assessment stands or falls on its ground model. Here is how that model is built, what each Eurocode 7 category implies for investigation, and what a planning authority actually needs at application stage.

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Report Deep Dives6 min read

Gross to net additionality in an economic impact assessment

Gross jobs is the wrong number. Net additional employment, after deadweight, leakage, displacement and substitution, is what an officer can rely on in the planning balance.

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Canopy cover targets in a green infrastructure plan

Canopy cover targets are set as a percentage of site area shaded at a stated year. The planting schedule rarely fails them. The rooting volume does.

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Report Deep Dives9 min read

The planting schedule and maintenance period in a landscape strategy

A planting schedule becomes a planning obligation the moment the condition is drafted. Here is what it has to specify and where the maintenance period leaves you exposed.

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Report Deep Dives8 min read

Setting the search radius in an archaeological desk assessment

There is no statutory search radius. The choice defines the evidence base and therefore the conclusion, so state the radius, justify it and show the search area.

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Report Deep Dives7 min read

Transient overshadowing frames in an overshadowing study

Sun on ground gives a percentage. Transient frames give the shape of the day, which is what committees argue about. Here is how to set them up and present them.

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Report Deep Dives7 min read

BREEAM pre-assessment: the credits you cannot trade away

Every BREEAM rating from Pass upwards carries minimum standards that no amount of extra credits elsewhere can replace. Here is how they shape a pre-assessment at planning stage.

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Report Deep Dives6 min read

Per capita consumption in a water supply assessment

The headline figure in a water supply assessment is litres per person per day. Everything else in the document exists to show how the fittings schedule reaches it.

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Report Deep Dives6 min read

The benchmark land value section of a viability appraisal

Change the benchmark land value and you change the answer. It is the input that decides most viability arguments, and the one with the least agreed methodology.

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Report Deep Dives7 min read

Vertical sky component and sunlight hours explained

VSC, daylight distribution and APSH are three separate tests with three separate reference values. Officers and inspectors treat them differently, and the reasons are worth knowing.

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Reading the module breakdown in a whole life carbon assessment

Upfront carbon, embodied carbon and whole life carbon are three different numbers. Knowing which modules each covers is how you read an assessment properly.

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The remediation strategy and verification plan explained

The remediation strategy sits between the phase 2 investigation and the verification report. Written without a verification plan, it is usually returned.

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Trading rules and bespoke compensation in a BNG assessment

The biodiversity metric decides what you may use as replacement habitat, band by band. A scheme can show a unit surplus and still fail the trading rules.

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Health impact assessment screening and scoping matrices

The screening matrix decides how much health assessment work a scheme needs. Done properly it takes a day and narrows the scope. Done badly it produces a 90 page report nobody reads.

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Verified view methodology appendices

A verified view is only as good as the survey behind it. Here is what the methodology appendix has to record so a consultee can test the montage rather than take it on trust.

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Townscape character areas in a visual impact assessment

The character area baseline is where a townscape and visual impact assessment is won or lost. Here is how to draw the boundaries, describe the attributes that matter and keep the chapter clear of the heritage statement.

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Dispersion model input appendices and what to check

A dispersion model is deterministic, so the only questions worth asking are about the inputs. The parameters to check, the red flags, and the seven sensitivity runs to request.

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Odour exposure criteria and benchmark selection

The offensiveness category sets the benchmark before any modelling starts, and getting it wrong invalidates the conclusion. How criteria are chosen and what evidence supports them.

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Report Deep Dives7 min read

Sky glow and upward light calculations

A flat-glass floodlight with no upward output on the datasheet emits light to the sky as soon as it is tilted. How the upward light ratio is calculated, and the evidence dark area councils want.

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