PNVTEAM GROUP

Shelters, safe rooms and protective spaces

A protective space may be a simple reinforced room for short-term shelter or a complex engineered facility with filtered ventilation, backup power, water, communications and independent systems.

PNVTEAM considers these projects according to how the premises will actually be used, rather than their name alone:

  • the threats it must protect against;
  • the number of occupants;
  • how quickly they must be able to reach the room;
  • how long independent operation is required;
  • the required air conditions;
  • how communications will work;
  • what happens if external utilities are cut off.

This topic appeared in PNVTeam long before 2022.

The PNVTEAM archive already featured a dedicated shelter room / safe room (panic room) service in materials dating from around 2010–2013.

The historical approach included:

  • Designing a room inside a private house;
  • Renovation of the existing room;
  • Secured doors;
  • Communication with the services;
  • Autonomous lighting;
  • Battery power;
  • Excise-exposure ventilation;
  • The possibility of autonomous air exchange;
  • Water;
  • The sanitary node;
  • Video surveillance;
  • Sensors;
  • Marking;
  • An alarm button;
  • A reserve of products;
  • space to wait for help.

The topic of a more complex bomb shelter/protection facility was developed separately from:

  • Air filtration;
  • Leakproofness
  • The filtering chamber;
  • An emergency power source;
  • A reserve of water
  • Emergency exit;
  • Self-contained systems.

This is a historical thematic framework, not a confirmation of the protective features of a particular facility.

The design parameters and protective features are determined by the relevant project and applicable requirements.

Functional room and regulatory protection

The names of the penic room, the safe room and the safe house describe the purpose of the space and do not in themselves confirm the official status of the civil protection structure.

If this status is required, the design composition and applicable requirements are determined by the type of structure and the particular facility. DBN V.2.2-5:2023 “Civil protection shelters” with current changes and CMC Regulation No. 138 on the Protection Facilities Fund.

Technical parameters are defined by the project. Archiving materials do not replace up-to-date calculations and the verification of the applicability of the standards.

Scale of decisions

Level 1 is a secure room (safe room/panic room)

A secure room inside a house or commercial facility.

Possible challenges:

  • Rapid shelter;
  • Protection against invasion;
  • Physical protection;
  • Communication;
  • Observation;
  • Short-term autonomy;
  • Backup lighting;
  • Controlled access.

It's not automatically an official civil protection hideout.

Level 2 - Enhanced Asylum Room

May include:

  • Strengthened structures;
  • A more secure door block;
  • Independent ventilation;
  • Emergency power supply;
  • Supply of water;
  • Health decisions;
  • Communication;
  • Additional engineering equipment.

The degree of protection is determined by the project.

Level 3 - Secure house space

Designed at the same time as the house or renovated as part of an existing building.

The benefits of the new design: design, entry, air, engineering, hydro-insulation and emergency scenarios can be envisaged before the completion of the construction.

Level 4 - Separate underground protective room

A separate design requires integrated analysis of the ground, groundwater, water insulation, drainage, sustainability, entrances, engineering systems and maintenance.

Level 5 - Regulatory Protection Facility

If the task involves an official status:

  • A racket;
  • PRU;
  • APP;
  • The other site of the protective equipment fund;

The relevant Ukrainian requirements are in place.

Such a project cannot be replaced by a household term for a bunker or a secure room (panic room).

Design details and work planning

The project doesn't start with the wall, it starts with the script.

The terms of reference should determine which threats are being addressed, for example:

  • Air alarm;
  • Cracks;
  • Impacts;
  • Fire;
  • smoke;
  • Radiation risks;
  • Chemical / technological risks;
  • Disablement of electricity;
  • Loss of communication;
  • Intrusion;
  • Locking the exit;
  • Flood / groundwater.

Not every project has to protect itself from all possible threats.

Number of persons and duration of stay

Key baseline data:

  • How many people;
  • Adults/children;
  • Are people with reduced mobility possible?
  • Short-term shelter or long-term stay;
  • Whether sleep/rest is necessary;
  • The sanitary node;
  • Water;
  • Nutrition;
  • Medical needs.

For regulatory installations, the calculation parameters are defined by the requirements.

For a private secure room, autonomy is chosen according to the task scenario.

Location

In choosing the place, account shall be taken of:

  • Distance from main premises;
  • The access route;
  • stairways;
  • Outer walls;
  • Windows;
  • Neighbouring premises;
  • Building design;
  • Possible areas of collapse;
  • Entry;
  • Alternative exit scenario;
  • Engineering connections;
  • Ground water if the space is deep.

For an existing house, it is first assessed whether the selected space can be technically adapted.

Protection is determined by calculation rather than by one wall thickness

The project depends on:

  • Threat scenarios;
  • material;
  • A constructive scheme;
  • Curves;
  • Gaps;
  • Entrance;
  • Neighbouring structures;
  • Soil;
  • the calculated loads.

The weakness may not be the wall, but the door, the closure, the entrance, the air intake, the engineering passage, or the connection of structures.

Entry and door

We need to consider:

  • Door block;
  • The frame;
  • securing;
  • The walls around the gap;
  • Opening direction;
  • Access;
  • The possibility of blocking;
  • Locks;
  • Internal administration;
  • Leakage if required by the project.
Main and emergency exit

For certain types of protective space, the project should consider the case of blockage of the main entrance, damage to part of the building, fire or inefficiencies of the outside.

The specific need and the emergency exit device are defined by the type of structure and the project.

Do not copy old emergency galleys without a valid calculation.

Air exchange is a key system

The project should take into account:

  • Number of people;
  • Time of stay;
  • Inflow;
  • extraction;
  • Heat;
  • Humidity
  • CO₂;
  • smoke;
  • External pollution;
  • Operating mode when the power supply is cut off.
Normal ventilation

For a simple, secure room, there may be enough separate, secure air exchange, if this corresponds to the chosen threat scenario.

But air should not depend solely on an open window, an open door, or an accidental crack.

The system should be designed and maintained.

The filter shall correspond to the actual scenario

PNVTEAM's historical materials separately reviewed filtering and filters.

The current page should explain the principle rather than promote a universal filter.

The selection shall take into account:

  • Pollution factors;
  • Air flow;
  • filter resistance;
  • Resource;
  • Leakproofness;
  • Services;
  • The possibility of replacement;
  • The fan's power.

For regulatory protection equipment, the parameters are defined by the project and the requirements.

Leakage / leak

Where specified in the design, a filtration and ventilation system may operate together with controlled airtightness and positive pressure. The need for this operating mode is determined by the type of structure and the design brief.

Air regeneration

The PNVTEAM historical archive contained the concepts of CO2 removal, maintaining air composition and additional oxygen.

The current page should present this as a specialized engineering option for the relevant scenario, not as a standard function of any shelter.

Do not propose DIY plans for air regeneration.

Air monitoring

For complex objects, it may be necessary:

  • CO₂;
  • Temperature;
  • Humidity
  • Ventilation condition;
  • Filter condition;
  • Feeding of equipment;
  • Emergency signals.

A specific set of sensors is defined by the system.

Critical loads need to be determined in advance

Critical may be:

  • Ventilation;
  • Filtering;
  • Light;
  • Communication;
  • pump;
  • Automatics;
  • Access control;
  • Video surveillance;
  • Sensors;
  • Sanitation equipment.

First a load list is formed, then a reserve is selected.

Backup power

Possible levels:

  • Battery emergency lighting;
  • Uninterrupted power supply (UPS);
  • Inverter and battery;
  • A separate battery system;
  • Generator;
  • Combination.

Historical PNVTEAM materials included battery power and diesel.

The current project should take into account ventilation, exhaust, heat, fire safety, fuel storage, start-up and maintenance.

Do not place the generator inside the protected space without a design solution.

Manual reserve

Where appropriate, the project may include:

  • Manual management;
  • Localization;
  • Emergency lighting;
  • An alternative channel of communication;
  • understood marking;
  • Operating instruction.
A mobile phone alone may not be enough.

The historical PNVTEAM has already included various forms of communication in the secure room.

A modern project may consider:

  • Mobile;
  • Wired Internet;
  • Wi-Fi;
  • Internal network;
  • Radio;
  • Satellite communications;
  • Communication with security;
  • An alarm button.

Not every object requires everything listed.

The aim is to minimize the risk of total loss of communication if one channel fails.

External observation

For a secure room (panic room) / a secure room, it may be useful to see the situation outside without opening the door.

Possible elements:

  • Video cameras;
  • Domestic violence;
  • Sensors;
  • Access control.

Observation systems should take into account the power supply and local access.

Self-sufficiency depends on the intended use

We need to determine:

  • Drinking water;
  • Sanitation needs;
  • The storage mode;
  • Updating of stocks;
  • Protection against pollution;
  • Access to external network failure.

Use relevant standards for regulatory structures.

Sanitation node and runoff

Depending on the length of occupancy and the type of facility, the following may be needed:

  • Normal connection;
  • The possibility of cutting off the external network;
  • Stand-by solution;
  • Accumulated capacity;
  • Local sanitation system.

The project should take into account the situation where external drainage is unavailable or damaged.

Waterproofing and drainage

Before construction, it is necessary to understand:

  • Ground water;
  • Surface water;
  • Scene;
  • Hydrostatic pressure;
  • drainage;
  • Induction of communications;
  • interfaces;
  • Services.

Water is one reason an old or rarely used shelter may prove unsuitable.

Fire and smoke

The protective space shall take into account the fire scenario:

  • Materials;
  • smoke;
  • Ventilation;
  • Evacuation;
  • Reserve route;
  • Electrician;
  • Battery systems;
  • Generator / fuel.
Heat and humidity

Several people in a small, secure space quickly create heat, moisture and CO2.

So comfort affects the possibility of a real stay.

Do not design the shelter as a leakproof box without consideration of heat-wet mode.

Storage

The following may be required:

  • Water;
  • Medical supplies;
  • Instruments;
  • Communications equipment;
  • Nutrition;
  • Emergency filters;
  • Personal protective equipment;
  • Operating materials.
Lighting

Minimum logic:

  • Main;
  • Reserve;
  • Autonomous / emergency;
  • Local manual.
Automation

A complex system may monitor:

  • Nutrition;
  • Ventilation;
  • CO₂;
  • Temperature;
  • Humidity
  • Access;
  • Chambers;
  • Condition of equipment.

Automation does not replace proper design, physical protection or straightforward manual operation.

AVGZ

The refuge can't be built and forgotten.

The following shall be checked periodically:

  • Ventilation;
  • Filters;
  • Batteries;
  • Generator;
  • Lighting;
  • Doors;
  • Sealings;
  • pumps;
  • Water;
  • Communication;
  • Emergency exit;
  • Instructions.

The frequency depends on the equipment and the applicable requirements.

New construction and existing house

New house

The best moment to integrate the protective space is the stage of the project.

We can tie design, foundation, entrance, ventilation, electrician, water, and engineering tracks in advance.

Existing home

We need to take a test first.

Not every room can be properly turned into a secure room/asylum.

There may be reinforcement, reconstruction, separate annex or separate underground structure.

What can be passed on to PNVTeam

The agreed scope of work may include:

  • Analysis of the task;
  • The terms of reference;
  • Survey;
  • Coordination of design;
  • Design;
  • Ground-based work;
  • Monolithic work;
  • Hydroinsulation;
  • drainage;
  • Doors;
  • Ventilation;
  • Filtering;
  • Electrical;
  • Emergency power supply;
  • Communication;
  • Water;
  • Health decisions;
  • Automatics;
  • Equipment;
  • Audit of systems;
  • Operating instructions.

The specific composition is determined by the project.

PNVTeam GROUP

PNVTeam

Integrated implementation and coordination.

MultiStyle

Integration of the building into the architecture of the house / facility. multistyle.org

ZeroHouse

Self-sufficiency / energy systems / specific building services solutions. zerohouse.com.ua

AVGZ

Communications, networks, automation, monitoring. avgz.net

Stroy-Brigada

Selected integrated construction phases. stroy-brigada.kiev.ua

The participation of each project is determined separately.

Questions and answers

A secure room (panic room) is a functional concept of a secure room, usually designed for a specific short-term scenario; the regulatory protective structure has a different status and must conform to applicable requirements.

Sometimes, yes, first you have to evaluate the location, the walls, the closures, the door, the air, the communication, and the possibility of reinforcement.

Feasibility depends on its condition, location, structure, water conditions, entrances, ventilation and the required status of the space.

This depends on the type of object and the threat scenario. For some of the protective equipment, it is part of the design system; for a simple secure room, the solution may be different.

A domestic air purifier does not replace a properly designed filtration and ventilation system.

The project should define critical loads and the necessary reserve: battery, generator or combination.

The choice depends on the capacity, the time of autonomy, the ventilation and the operating scenario.

Yes, for a practical protective room, the communication must be part of the scenario. The number and type of channels are defined by the task.

The water supply is determined by the type of structure, the number of people, the duration of stay and the applicable regulations.

Airtightness without a properly designed air-exchange system can be dangerous. These solutions must be designed as one coordinated engineering system.

The conditions of guarantee are determined by the contract and the type of work.

Preparations for the first discussion

Send:

  • Type of object;
  • new or existing;
  • The plan of the house;
  • The space chosen, if any;
  • Number of people;
  • Estimated length of stay;
  • Priority threats;
  • Data on groundwater for the underground option;
  • Existing engineering;
  • Autonomy requirements;
  • A project if you have one.

Sequence of work

  1. Threat scenario
  2. Users
  3. Existing condition
  4. Normative status
  5. Concept
  6. Constructive solutions
  7. Life support systems
  8. Reserve and self-sustainment
  9. Construction
  10. Fracture and testing of systems
  11. Operation and maintenance

What level of protection exactly does your target need?

You can start with a simple task:

  • Existing room;
  • A new house;
  • A separate underground space;
  • The object of the business.

Describe the script, the number of people and the desired autonomy.

It is then possible to determine which type of protected space makes sense and what basic data are needed for design.

Briefly describe your project and leave your contact details. If we need further information to provide a useful response, we will explain what to prepare.

You can include the approximate location, floor area and current project stage.

Enquiries are received and processed by the PNVTEAM team.

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