SPECIAL REPAIRS TO FIRE ALARM SYSTEMS AT NAD BHEEMUNIPATNAM AND SPECIAL REPAIRS/ REPLACEMENT TO CONCERTINA COIL FROM WATCH TOWER 2-3, 4-5 AND TOWER 13 TO BRAHMANI GATE UNDER SPL REPAIR B/R AT NAVAL STATION BHEEMUNIPATNAM

Amount

Supply and fixing in repair Microprocessor based conventional fire alarm control Panel which has 4 Zones for manual Call Points, detectors and normally open dry contact devices which Complies with UL-864 and NFPA- 72 Consists of Display 16x 2 Dot matrix LCD display and RS- 485 Communication Port to establish connection with in long range network and should be make necessary output arrangements for integration of master Panel at long range communication by intranet or any other mode, standby (Battery) back up 24 V DC Power Supply with built in Charger and 2 Nos 12 V 7 Ah lead Acid Batteries all as specified and as directed by Engr-in-Charge.

Supply, fixing and replacement of Manual Pull Station is made up of a high quality PVC housing with breakable glass and resettable switch inbuilt operating with 24 V DC power supply and 30 mA operating current suitable for and conventional fire alarm control panel all as specified and directed by Engr-in-charge.

Supply, fixing and replacement of Sounder / Horn cum strobe are with both audio and visual indication in case of fire and emergency. The horns, horn output dB level between 80 to 100 db in a meter distance complies NFPA 72 standards with operating voltage 18 to 30V ( 24 v nominal DC) with current less than 100mA built with FR ABS plastic IP 40 Rated all as specified and directed by Engr-in-charge.

Supply and fixing of Moist proof enclose accommodating fire alarm control panel with suitable cutouts , glands , waterproof rubber packing throughout the door and glass provision with proper locking system made out of 16 gauge Mild steel sheet powder coated and provision for panel number marking and glass for complete visibility of panel indications complete all as specified and directed by Engr-in-charge. Make- Hensel or Equivalent as approved by GE

Supply, laying and testing FRLS flexible copper cable 1100 Volts grade of size 2 core, 2.50 sq mm complete all as specified for internal usage

Supply & fix AC Single phase surge protectors for panels to control over power fluctuations and lightning all as specified and directed by Engr-in-charge.

Dismantling mild steel work of any description not otherwise provided for complete all as specified and as directed by the Engineer-in-Charge.

Dismantling of Concertina coil 8 kg per coil per 6 to 8 RM in position not otherwise provided for complete all as directed.

Demolition of reinforced cement concrete of any description and in any position not otherwise specifically provided for complete all as specified and as directed

M&L for Reinforced Cement Concrete 1:1.5:3, type A1 (using 20mm graded granite stone aggregate) in beams, cantilevers, lintels over 1.5 m span etc and the like complete all as specified and directed.

M&L for mild steel round bars 10mm dia and over, as reinforcement cut to length, bent to shape required including cranking bending, hooking ends and binding with and including mild steel wire (annealed) not less than 0.90mm dia or securing with clips complete all as specified.

M&L for Running welding in repairs exc 2.50 cm but not exceeding 5 cm in length and thickness of weld is exc 6 mm but not exc 9 mm all as specified and as directed.

Taking down Cement plaster on brick or stone walls, etc. including raking out joints, hacking for key, scrubbing down with water, etc. Complete all as directed.

M & L applying two coats of synthetic enamel paint over a coat of red oxide Zinc chromate primer including preparation of new steel surfaces over 10cm width or girth complete all as specified and as directed.

M&L for rendering 5 mm thick on fair faces of concrete surfaces of ceilings in CM 1:3 and finished even and fair with out using extra cement complete all as specified and directed by the Engineer-in-Charge.

M & L rendering 15mm thick on fair faces of brick wall or concrete surface in cement mortar 1:4 finished even and smooth without using extra cement complete all as specified and as directed.

M&L TMT bars 5mm dia and over upto and including 10mm dia as in stirrups, spacers and binders, cut to length , bent to shape required including cranking bending hooking ends and binding with and including mild steel wire (annealed ) not less than 0.9mm dia or securing with clips complete all as specified.

M&L for preparation of new plastered surfaces and applying two coats of exterior emulsion paint over a coat of primer on walls complete all as specified and directed by Engr-in-charge

S&F mild steel Hand rails, half round or other stock section or core for wooden hand-rail straight portion, drilled and countersunk for balusters running bars, for doors, balusters, noising to steps including embedding in concrete and screwing etc. wind ties for roof incl securing bolts, posts and struts in fencing incl cutting tops to shape as directed, drilling holes, notching for wire, etc., flat iron fillets (for securing wire mesh) incl all necessary drilling, bolting or riveting etc and similar work conforming to Fe-290 Grade E-165 complete all as specified and as directed.

S&F 610 mm dia concertina coil, galvanised, precoated with black anti-corrosive paint, weighing approx. 8 kg per coil of 6-8 m stretch and fixing to any type of standard rails, straining bolts, etc. including securing or tying at crossings with necessary clips/ pins etc complete all as specified and as directed.

S & F in repair galvanised 2 strand steel barbed wire 2.24 mm dia barbed with 2mm dia barbs at 75mm spacing and straining and fixing to any type of standard rails straining bolts including securing or tying at crossings with and provision of galvanised mild steel wire staples or steel pins etc complete all as specified and as directed. (Note: Each line wire to be measured)

M&L for preparation old treated surfaces and applying one coat of exterior emulsion paint on walls complete all as specified and directed by the Engr-in-Charge

MVV Prasad

M/S CHANDRA ENGINEERS AND CONTRACTORS