P/f of aspirating smoke detection system in Substations 1 and 2

Supply/ Installation/ Testing/ Commissioning of Short wave length laser-Based Absolute Smoke Detection Panel with 2 pipe inlets, upto 800 m2 coverage including false floor and false ceiling; Wide sensitivity range - 0.005%–20% obs/m; built in alarm levels; High efficiency aspirator; Clean air barrier optics protection; Easy to replace dual stage filter with built in memory; 7 Nos. of inbuilt potential free relay outputs; supports linear pipe length of 70m per pipe (total 140m) or branched pipe up to 100m per pipe; supports 20 Nos. of Class A sampling points, Auto Learn for automatic setup of alarm threshold, Referencing & Event log; TCP/IP & Two Core Wire network connectivity built in for central monitoring & monitoring through Centralized software (Software License Separate) Approvals-UL, ULC, FM,EN 54,VDS Make: Wagner/ Edwards/Siemens

Supply and erection of VESDA Power Supply. The power supply is providing operating power 24 to 27 volt, including battery backup, for the entire line of VESDA Aspirating Smoke Detectors. The VESDA Power Supply has been designed to power a single unit to multiple units depending on application needs. It provides 24 to 27 volt operating power to the VESDA system as well as a battery charger function that supervises and maintains the standby batteries. Relay outputs for connection to the general-purpose input for fault monitoring (230 Vac only) EN54-4 Compatible, Temperature compensated charging to maximize battery life. The job includes the cost of labour and other petty material required to complete the job to the entire satisfaction of Engineer in charge of the work. Make: Wagner/ Edwards/Siemens/Protek.

Supply and laying of UPVC (Unplasticised polyvinyl chloride) pipe 25 mm outer dia of Make- ASTRAL/ Finolex/ Supreme. The pipe should have pressure of 33.7 kg/cm2 at 23° C. The pipe should be laid on the ceiling of the building with the help of suitable size of clamp. The job includes the cost of labour and other petty material required to complete the job to the entire satisfaction of Engineer in charge of the work.

Supplying and drawing following sizes of FRLS PVC insulated copper conductor, single core cable in the existing surface/ recessed steel/ PVC conduit as required.

3 x 1.5 sq. mm

Supplying and fixing of following sizes of medium class PVC conduit along with accessories in surface/recess including cutting the wall and making good the same in case of recessed conduit as required.

Supplying, installation, testing & commisssioning of intelligent addressable programmable sounder complete as required.

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