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Studio Carlo Cassarino
A level of a multi-storey car park: exposed reinforced concrete structure, cable trays and ventilation duct at ceiling level, a signed fire extinguisher and a hydrant cabinet along the manoeuvring aisle

Fire safety
for buildings and regulated activities

Fire-safe­ty de­sign and man­age­ment of fire pre­ven­tion pro­ce­dures, from ini­tial as­sess­ment to pe­ri­od­ic re­new­al.

Fire safety design and statutory procedures

The prac­tice han­dles tech­ni­cal fea­si­bil­i­ty as­sess­ments, fire-safe­ty de­sign, SCIA fil­ing with the com­pe­tent Fire Brigade Com­mand and pe­ri­od­ic re­new­al of com­pli­ance.
Work for pub­lic bod­ies, hos­pi­tal­i­ty busi­ness­es and his­toric prop­er­ties sub­ject to con­trols has given the prac­tice di­rect ex­pe­ri­ence of pro­ce­dures at the Rome Fire Brigade Com­mand and the Si­cil­ian provin­cial Com­mands.

  • SCIA fire filing: cat. A, B, C; CPI: cat. C
  • Pe­ri­od­ic re­new­al of fire-safe­ty com­pli­ance
  • Upgrading: pub­lic ad­min­is­tra­tion, schools, ho­tels, his­toric as­sets
  • Fire-safe­ty fea­si­bil­i­ty stud­ies at de­sign stage
  • Fire Safe­ty En­gi­neer­ing (D.M. 03/08/2015, Sec­tion M)
  • Ad­vice on de­tec­tion and sup­pres­sion sys­tems

Two as­sign­ments il­lus­trate fire-safe­ty so­lu­tions for a multi-storey car park with an out­door area and a pub­lic nurs­ery.

Outdoor area and multi-storey car park during construction

Fire safety for a car park and its outdoor area

Fire-safe­ty de­sign with a favourable Fire Brigade as­sess­ment sub­ject to con­di­tions. Ar­chi­tec­tur­al and struc­tur­al de­sign and works su­per­vi­sion re­mained with the au­thor­i­ty.

Read the case
Interior of the nursery covered by the fire-safety assignment

From fire-safety design to SCIA filing

Fire-safe­ty up­grade for a pub­lic nursery: de­sign, favourable as­sess­ment and doc­u­men­ta­tion for op­er­a­tion.

Read the case

When fire-prevention controls apply (D.P.R. 151/2011)

Hotels and hospitality structures
Threshold for controls
over 25 guest beds
Category
A: 26–50 · B: 51–100 · C: over 100 beds
Offices, public or private
Threshold for controls
over 300 people present
Category
A: 301–500 · B: 501–800 · C: over 800 people
Car parks, public or private
Threshold for controls
covered area over 300 sqm
Category
A: up to 1,000 · B: over 1,000 and up to 3,000 · C: over 3,000 sqm
Schools of every order, grade and type
Threshold for controls
over 100 people present
Category
A: 101–150 · B: 151–300 · C: over 300 people

When the floor plan does not match the building

A fire-safe­ty re­view of an ex­ist­ing build­ing com­pares the filed de­sign with the ac­tu­al use of rooms, com­part­ments, ser­vice pen­e­tra­tions and es­cape routes. An out­dat­ed plan can con­ceal dif­fer­ences that mat­ter for safe­ty. The three sce­nar­ios below show what needs check­ing. The draw­ings along­side them are ex­tracts from other Stu­dio projects and il­lus­trate the re­view method; they do not de­pict the build­ings or de­fects de­scribed in the text.

Extract from a fire safety plan: the compartment line encloses a room of specific risk, with fire-rated doors dimensioned by clear width and the R and EI classes of the structures noted
Compartmentation drawing, extract: fire resistance of walls and doors

A dwelling in­side a school calls for a check of its sep­a­ra­tion from the school and of the fire-safe­ty rule used for the de­sign. Under Ital­ian D.M. 26/08/1992, un­re­lat­ed ac­tiv­i­ties are sep­a­rat­ed with­out open­ings; clause 2.4 pro­vides a spe­cif­ic ex­cep­tion for the care­tak­er’s flat, with in­de­pen­dent ac­cess and a fire-rated door. A de­sign using the Ital­ian Fire Pre­ven­tion Code must in­stead fol­low that code’s pro­vi­sions. In ei­ther case, ser­vice pen­e­tra­tions must also be checked: pipes, cable trays and ris­ers must pre­serve the com­part­ment’s re­quired per­for­mance. The check links the draw­ings to what was ac­tu­al­ly built.

Extract from a fire safety plan: escape routes traced room by room with numbered exits, opening dimensions and room areas
Escape-route drawing, extract: length measured along each section

An ex­ter­nal stair can be vis­i­ble and us­able while its foot­print lies out­side the school’s plot. That does not au­to­mat­i­cal­ly dis­qual­i­fy it as an es­cape route: the right to use the land, any ease­ment or agree­ment, and the con­tin­ued safe­ty of the route must be es­tab­lished. A site visit con­firms the phys­i­cal con­di­tions; com­par­ing the es­cape plan, bound­aries and land rights clar­i­fies the legal po­si­tion. Only then can the route be ac­cept­ed or an al­ter­na­tive de­signed.

Extract from the fire safety plan of a covered car park: over the grid of columns and parking bays, the detector coverage circles overlap until the whole floor area is saturated, together with the light fittings and individually tagged devices
Detector coverage check, extract: overlapping radii

A class­room grad­u­al­ly used as an archive may have a dif­fer­ent fire load and op­er­at­ing con­di­tions from those as­sumed in the de­sign. The label on the door is insufficient: the ma­te­ri­als, quan­ti­ties, sep­a­ra­tion and man­age­ment of the room must be checked. The re­sponse may be to clear it, re­strict its use or adapt the safe­ty mea­sures. The change must also be as­sessed against the ap­plic­a­ble fire-pre­ven­tion pro­ce­dures to de­ter­mine whether the filed doc­u­men­ta­tion needs up­dat­ing; oc­ca­sion­al stor­age does not au­to­mat­i­cal­ly re­quire a new SCIA.

The three sce­nar­ios share a need to check what has ac­tu­al­ly been built and how the build­ing is used today. Be­fore con­firm­ing com­pli­ance or prepar­ing a re­new­al, the file, site con­di­tions and avail­able doc­u­ments are com­pared. Any dif­fer­ences are as­sessed for their ef­fect on safe­ty mea­sures and the ap­plic­a­ble pro­ce­dures.

The start­ing point is a sur­vey pro­por­tion­ate to the build­ing, check­ing es­cape routes, doors, com­part­ments and rooms whose use has changed. Fur­ther vis­its or in­ves­ti­ga­tions are planned where need­ed. De­sign de­ci­sions can then rest on ver­i­fied data.

Drawings: ex­tracts from real Stu­dio projects used to il­lus­trate the re­view method; they do not doc­u­ment the sce­nar­ios de­scribed.

Frequently asked questions

Fire-safety enquiries

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