High Velocity Water Spray Deluge System for the fire protection of three nos. of 66.667MVA, 220/11kV Generator Transformers at LP HEP, Karimanal

Design, supply, installation, testing and commissioning of Deluge Fire Sprinkler System excluding piping, annunciation panel and fire pumpset. . Quantity mentioned below is the minimum requirement .(10% necessary spares and consumbales are to be supplied.Spares and Consumables list may be attached seperately by the bidder )- 3 set total for three nos of transformers a ) Deluge Valve–A, Flanged ANSI B16.1, UL listed,Wet Pilot Basic Trim Assembly for DV-A with test & alarm, drip & drain valves, (NTW) Water Motor Gong Bell -GA , Type-A, UL Listed & FM Approved. - 3 set b) High Velocity Water Spray Nozzle HV-AS, Brass Finish/Nickel Chrome Plated Brass, BSPT/NPT with Copper Strainer UL Listed BSPT - 180 Nos. c) Sprinkler 79 Deg. C, standard response, standard coverage, BSPT, K-5.6, Pendent, Chrome Finish, UL Listed & FM Approved - 100 Nos. d) Sluice Valves with Limit Switch wherever necessary - 2 Nos. e) Butterfly valve with Limit Switch on both sides of deluge valve, fire pump set etc. - 8 Nos. f) In line / Y Type Strainer - 9 Nos. g) Non Return Valve Wafer Type - 2 Nos. h) Pressure gauge range 0-10kg/sq.cm. - 8 Nos i) Pressure Switch - 3 Nos j) Flow Switch - 3 Nos k) Solenoid Valve - 3 Nos l) Level indicator for measuring the quantity of water stored at anytime and displayed in m3 of water.- 1 No. m) Suitable brick masonry or canopy enclosures for protecting deluge valves from flying bodies or projectile from the plant and/or equipment in the vicinity and also for weather protection - 3 Nos.

Supplying, installing, testing and commissioning of M.S Pipes confirming to IS 1239 and IS 1978 Pt - I Heavy grade (Class C) with Fittings and Painting as per standards for providing main pipeline for deluge system, detection piping, projector piping and support piping with necessary welded, threaded or flanged joints for the complete installation of deluge system. The piping works include tapping of pipeline from main emergency cooling waterline to fire pump set, fire pump set to deluge valve assembly and from deluge valves to each transformer units. Piping shall be provided in such a way as to disassemble/reassemble as and when necessary (as per detailed technical specification) - 1 set a) MS Pipes - Lot b) Pipe fittings - Lot c) Pipe Supports - Lot d) Pedestrial Support for Pipe - Lot

Micro processor based Annunciation panel 24 Window including hooter with Compatability to Scada which provides annunciation on actuation of deluge system including individual display for each deluge valves, operation of fire pump, jockey pump, display of pressure in the detection piping, display of pressure in the outlet of deluge valve, display Transformer identification, FIRE ON indication for each Deluge valve, SPRAY ON indication for each DelugeValve, Common hooter/water alarm gong (activation either for SPRAY ON or FIRE ON signal), the gong shall continuously sound when a deluge system is in operation and manual push button for manual activation of each Deluge valve from the panel. - 1 Nos

Design, supply, installation, testing and commissioning of fire pumpset - 1 set a ) Fire Pump set of 30HP, 1500 LPM at 50 M head with automatic starter Panel, Pressure switch Suction Pipe , Sluice Valve, Non return Valve , Cabling complete. - 1 Nos b) Jockey Pump set Inline Vertical with suction and delivery pipe automatic starter panel ,pressure switch ,cables. - 1 Nos c) LT panel with isolator, automatic circuit breaker, fuse units, ammeter and voltmeter for the control of fire and jockey pump sets. - 1 No. d) Suitable brick masonry of size 3.5m x 2.5m x 2.5m for fire pump set with brick/concrete walls and roof of RCC construction with atleast 100mm thickness including plastering with adequate lighting, ventilation and drainage arrangements complete.- 1 No.

Supply and installation of 25HP 3 stage three phase 415V 50Hz vertically mounted, water cooled, all cast iron submersible pump having head range from 30 meters to 66 meters with water oiutput of 2200 to 800LPM and 1600LPM at 50 meter head for pumping water from cooling water pit to Emergency water Tank of capacity 260m3 approximately with automatic starter panel and level controller arrangements.

"Providing and fixing HDPE Composite Pressure Pipes Grade 80 conforming to IS - 4984/2016, including all special fittings of composite material (engineering plastic blend and brass inserts wherever required) e.g. elbows, tees, reducers, couplers & connectors etc., with clamps at 1.00 metre spacing for pumping water from Cooling water pit to Emergency water tank.This includes testing of joints complete as per direction of the Engineer in charge. - 150 m

Providing and fixing 150mm (6") GI pipe (NB, C-heavy duty, Grade : 1239/I) with screw or plain end as suitable on submersible pump at one end and HDPE composite pressure pipe on other end, including all fittings like elbows, tees, couplers, connectors etc. with suittable clamps for pumping water from Cooling water pit to Emergency water tank. This includes testing of joints complete as per direction of the Engineer-in-charge. - 25 m

Provision for supply ,laying and terminations of armoured cables of suitable sizes necessary for the Deluge system and other accessories. - LS as per requirement

Sakthi Fire Protection Systems

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