Annual Maintenance and Testing of Nitrogen Fire Protection System Including Supply of Material Installed at 220 KV SS Atrauli and 220 KV Ss Sikandrarao under ETD II Aligarh

Amount

Service

220KV Harduaganj-Mainpuri line, Tower locations enclosed with the sheet.

Supply

Regulator Sub-Assembly with pressure gauge, input pressure 161kg/cm2, Material Stell/Brass

Stem Actuated valve Assembly, GAS Actuated, Pressure ration 0 to 21 Bar, Stainless Steel, Size 3/8"

Pressure Monitor Switch Assembly (PMS) Oil Static Pressure Operated, Material : Stainless Steel.

Heat Sensor-Sprinkler (beat sensing part of fire detector), flash point 141 degree Celsius

Hose pipe Assembly, 1/4", 0.9 mtr Length Material : PVC

Hose pipe Assembly, 3/8", 0.3 mtr Length Material : PVC

Non return valve (NRV), Size G1/2) pressure rating - 10 bar, Material Brass

4 Core, 1.5 sq.mm fire survival cable , Shieded Copper Conductor, withstand capacity : 350 Degree Clsius

Fire Detector Assembly flash point 141 degree Celsius, Sensing Area 80cm radius, SU 1/2in

Butterfly valve 125NB with Nitrule-butadiene rubber seat

Limit Assembly (G02, G03, G04, G05, G06) Current rating 16 Amp

Transformer Conservator Isolation Valve (TCIV) operated on oil flow rate (80 to 120 LPM)

220V Hooter (DC Fail), AC operated

110VDC Hooter (Audio/Visul), DC operated

Door Hings for FEC Cubicle

Diode Strip (Anode& cathode) 110 VDC

Single Box Assembly

Door Lock (FEC Door Lock)

Nitrogem Cylinder, Volume 10 Cubic mtr, 68 Ltr water capacity, N2 Gas Purity-99.9%, Materials Spec : Is 7285, TR-334

Refilling Charges of N2 Cylinder (Including Dismantling of Cylinder and transportation)

Differential Latch Contactor 110 VDC (AUXILIARY Contactor, 110 VDC, 4 No Contacts)

Control Box Assembly 110 VDC (Standard)

TECTONICUS SERVICES INDIA PRIVATE LIMITED (BID ID -5288959)