BANGLADESH POWER DEVELOPMENT BOARD TENDER ... - BPDB

Operator intrusion into an established call in order to offer an exchange call orurgent message shall be provided. An intrusion tone shall be introduced.i. Exchange alarms shall be extended to the operator's console orswitchboard.ii.Six (6) extensions shall have a priority facility to intrude into extension toextension calls. An intrusion tones shall be introduced.(2) Equipment to be provided shall include, but not limited to:a. A main distribution frame of sufficient size to accommodate the futureexpansion.b. Automatic switching equipment.c. Manual switchboard or console.d. A necessary inters unit cabling and cables supports.e. Concealed wiring to each office, workshop, administration building, etc. toaccommodate a single instrument at each point.f. 50 telephone instruments complete which will be connected at telephonepoints to be advised by the Board.14.2.2 TELEPHONE FACILITIESPABX telephones should be located as follows:a. Control room (2)b. Control package of gas turbine unitc. Telephone cubicle (1)d. Auxiliary room (1)e. Office, Managers room, Workshop, etc (Total 10)f. Administration building, guard houses and other buildings (Total 25)g. SpareTotal: 50 Numbers14.3 PAGING SYSTEM14.3.1 GENERALThe paging system, which shall consist of amplifiers, control equipment, handsetsand speakers, shall be provided.The system shall be provided with one channel.14.3.2 FUNCTION(1) Commanding CommunicationCommanding and paging shall be made from any handsets through the localspeaker sets.Ghorasal 200 MW to 300 MW Gas Turbine Peaking Power Plant Project (Vol-2 of 3)125