with TS EN 54-5 and TS EN 54-8 and shall be manufactured by a ISO 9001 quality certificated manufacturer. 

## Analogue Addressed Fire Warning Button; 

The addressable fire warning buttons shall be activated by a plastic film covered breakable glass on them. When the glass is broken, a micro switch normally in contact shall be free and change position and shall stay in this position until a new glass is installed. The button shall be testable by a test switch without breaking the glass. The button shall contain at least 1 illuminated gauge. The button shall be in accordance with TS EN 54-2 and shall be manufactured by an ISO 9001 quality certificated manufacturer. 

## Electronic Fire Warning Siren Flasher; 

The casing of the siren flasher shall be durable and resistant to heat. The siren flasher shall have a minimum 100 dB / 1 m sound intensity and 32 different tones. The minimum flashing energy of the siren flasher shall be 2.5 Joules and the flashing frequency shall be 1 Hz. The siren flasher shall have a Xenon lamp and shall be visible even from long distances. The protection class of the siren flasher shall be at least IP 44. The siren flasher shall be in accordance with TS EN 54-3 and shall be manufactured by an ISO 9001 quality certificated manufacturer. 

## 8.17.3 Telephone System 

Telephone Exchange Unit shall be provided with the accessories. Main Unit shall be located inside the Administration Building. Telephone lines and sockets shall be foreseen for Administration Building, Guardhouse, Mechanical and Electrical Workshops, MCC rooms etc. Handset receivers shall also be provided by the Contractor. 

IP type telephone system shall be provided. 

Capacity of exchange unit shall be at least 6/40. 

Contractor shall also be responsible for bringing of main telephone cable (PD-PAP) from outdoor telephone panel to the telephone exchange unit. 

The contractor shall establish telephone lines (1 for pager system and 2 for other use). 

There will be minimum 30 phone terminal and 1 main switchboard console. 

## 8.18 Tools and Maintenance Equipment 

The Contractor shall provide all special hand tools needed for the proper maintenance of all the equipment delivered. 

All the special tools shall be available and fully functional at the plant before issuing of the Taking Over Certificate by the Engineer. 

Special electrical tools are tools or instruments that are specifically used for testing of electrical circuits. 

These special tools required to be supplied by the Contractor are those listed below, in addition to Volume 3, Section 3, Table 3.1. 

 necessary maintenance tools for electrical and control system such as insulating carpets, manual pushing mobile scissors lift for maintenance of outdoor lightning poles, programming devices, 2 pcs of electrical set with bag including full of set etc. 

