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H2S Shelters

Uniteam has for years designed and built Gas Safe Shelters for clients around the world. H2S Shelters, patented by Uniteam, are supplied as mobile or stationary shelters for offshore or onshore use.

Description:

In petrochemical plants, oil & gas production and wastewater treatment facilities, there is a potential for gas exposure accidents. One of the most dangerous gases is hydrogen sulphide (H2S). Protection against H2S is particularly challenging. The gas is extremely poisonous and, at concentrations over 1000 ppm, people die immediately. Uniteam Gas Safe Shelters can be designed to handle H2S concentrations over 25 000 ppm!

Uniteam H2S Shelters provide a safe haven for personnel to take refuge in the event of a major H2S and CH4 release. People can stay in the shelter for a minimum of 2 hours, waiting for rescue. Moreover, engineers can handle such an emergency in their operating room. When needed, they can put on personal respirators and stop the emission outdoors.

In situation with extreme levels of H2S and highly explosive hydrocarbon gases, filters on the intake air are not enough. In such situations, air intake is automatically closed and the HVAC system is set in a recirculation mode. Air is then taken through CO2 filters in addition to the H2S filters.

In addition to this, a bottle bank with stored air supplies the gas safe shelter with additional air in order to keep overpressure. Uniteam Gas Safe Shelters also provide protection against nuclear contaminants and biological and chemical agents (NBC protection).

Products:

Uniteam has for years designed and built gas-safe systems for clients around the world. The H2S Shelters, which are patented by Uniteam, are supplied as mobile or stationary shelters for use offshore or onshore. In petrochemical plants, oil & gas production and wastewater treatment facilities, there is the potential for gas exposure accidents. One of the most dangerous gases is hydrogen sulfide (H2S). Uniteam H2S Shelters provide a safe haven for personnel to take refuge in the event of a major H2S and CH4 release. People can stay in the shelter for a minimum of 2 hours, waiting for rescue. Moreover, the engineers can handle the emergency in the operating room. When needed, they can put on the persona respirator and stop the emission outdoor.

Structure:
● Offshore container (DNV)
● Onshore container (ISO)
● 20ft: 6058 x 2438 x 2591,  40ft: 12190 x 2438 x 2890
● Combination of container and building
● Customized

Features:
● Mobile or stationary
● Gas detection with light-sound alarm
● Pressurized with airlock
● Operation panel for on-site controlling
● A60 fire rated
● Ex proof for Hazardous Zone I/II
● Air supply system
● Protection for minimum 2 hours
● Capacity of up to 1500 persons
● Power supply via generator or UPS
● Redundancy controlling system

The complete package of H2S Shelter in Place (SIP) and HVAC equipment will be delivered and installed in a modular building at the Gas Plant. It will be used as the CCR with engineer’s stations during normal operation and as a safety place for plant personnel during emergency mode operation for up to 30 people for 2 hours.

This SIP consists of 181*0.05m3 high-pressure cylinders and the system pressure is 30Mpa. A system compressor will fill the high-pressure cylinders when the quality of the external air is normal.

When the gas protection function is enabled, the high-pressure air would be depressed by depressurizing system and then fresh air would be supplied to the main room. A micro-positive pressure of 50pa would be kept in the main room and 25pa in the air-lock area. Due to the internal pressure in the SIP is slightly higher than the atmospheric pressure, the internal air will vent through the check valve and the hazardous gas will be blocked outside.

This Uniteam fully Mobile Temporary SIP is customized for easy transport and relocation as it’s built by 2 standard ISO containers size (1×40’ and 1×10’) and requires minor time for setup at site. Based on H2S filter/scrubber it will by overpressure protects employees for more than 2 hours at max level of 60.000 ppm gas concentration in the environment.

This Mobile SIP, uses the 40’ container as air-lock and refugee room (Muster area), while the 10’ technical container includes the HVAC, filter system and F&G Control Cabinet necessary for system. Only power has to be added to the unit.

More specifications are in the product brochure.

This Uniteam 50-men SIP is GOST-K and SIL-2 certified and is a customized solution built for easy transport and relocation as it consists of 5 standard ISO containers; 3x40ft and 2x20ft. Fire rating is A-60. The sealing between the containers is solved by Uniteam patented GSSP gaskets, ensuring quick deployment of the SIP at site and a minimum downtime of the ongoing production.

With the Breathing Air system with SIL-2 operation and manual override provided by EUREKA, it will protect employees by overpressure for more than 2 hours during an emergency. Autronica F&G system with SIL-2 approval will make sure your warnings are informative and correct.

The 3x40ft containers of the SIP are used as Muster Area (Approx. 80 Sqm). One 20ft container contains the Breathing Air Bottle Bank, compressor and PRP cabinet, while the air-lock and technical control room (including F&G Control Cabinet, Electrical Distribution board and UPS) are located in the other 20ft container. Only power has to be added to the unit through the readymade gas-safe MCT-Gaskets.

More specifications are in the product brochure.

This Uniteam 750-man SIP is a customized solution built for easy transport and relocation as it’s built by 47 standard ISO containers size (45×40’ and 2×10’). The sealing between the containers solved by Uniteam patented GSSP gaskets, gives quickly deployment of SIP at site, with minimum downtime of the ongoing production.

Option: With Breathable Air Bottle Bank provided by EUREKA, it will by overpressure protect employees for more than 2 hours during an emergency. F&G control by AUTRONICA will make sure your warnings are informative and correct with a SIL-2 Control System.

More specifications are in the product brochure.

This Uniteam 250-man SIP is a customized solution built for easy transport and relocation as it’s built by 11 standard ISO containers size (10×40’ and 1×10’). The sealing between the containers solved by Uniteam patented GSSP gaskets, gives quickly deployment of SIP at site, with minimum downtime of the ongoing production.

Option: With Breathable Air Bottle Bank provided by EUREKA, it will by overpressure protect employees for more than 2 hours during an emergency. F&G control by AUTRONICA will make sure your warnings are informative and correct with a SIL-2 Control System.

More specifications are in the product brochure.

This 270-men SIP from Uniteam China is a customized solution built for easy transport and relocation. It is built by 10×40’ standard ISO containers with A-60 fire rating and blast protected 200mbar/100msec. The sealing between the containers is solved by Uniteam patented GSSP gaskets which allows for fast deployment of SIP on site, with minimum downtime of the ongoing production.

With H2S filter system operation, it will protect the employees by overpressure for more than 2 hours during an emergency. F&G system and MIMIC panel will make sure your warnings are informative and correct.

One 40ft container is used as Equipment room (contains 2xH2S filters, AHU, UPS, F&G, Power and Control cabinets), while 9×40’ containers are used as Muster Area (Approx. 210 Sqm). The two airlocks are located in each end of the SIP (Approx. 16 Sqm). Only power needs to be supplied from site and the SIP is ready to use.

More specifications are in the product brochure.

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