SPECIAL REPAIRS TO MAIN WATER SUPPLY PIPE LINE AT 624 GARUDE FLT, PROVN OF DEFICIENT VOLTAGE STABILIZERS AND PROVN OF WIRELESS ALARM SYSTEM AT VARIOUS LOCATIONS AT AFS BAGDOGRA UNDER GE (AF) BAGDOGRA

Amount

Excavation in trenches in soft / loose soil n.exc 1.5 mtr wide n.exc 1.5 mtr deep getting out soil complete all as specified and directed.

Returning filling in including spreading levelling well ramming in layers n.exc 25 cm thick in a layers all as specified and as directed.

Removing excavated material (Soil) n.exc 50 mtr and depositing where directed at a level n.exc 1.5 mtr above the starting point all as specified and directed.

M&L for cement concrete, 1:3:6, type C2 (using 40 mm graded stone aggregate) for making good to disturbed surface of road etc. all as specified and as directed.

Taking Up CI 150 mm water mains (including all fittings) with spigot and socket ends and lead joints including burning out joints and recovering lead complete all as specified and directed.

Taking Up CI 100 mm water mains (including all fittings) with spigot and socket ends and lead joints including burning out joints and recovering lead complete all as specified and directed.

Supply and laying/ fixing in replacement of GI pipe into polyprolene random pipe (PP-R) PN 16 in three layer incl fixing of all fittings made out of PP–R as required for fixing all fittings in trenches complete all as specified and directed for 160 mm bore.

All as per item No 7.00 above, but of 110 mm dia.

All as per item No 7.00 above, but of 90 mm dia.

All as per item No 7.00 above, but of 63 mm dia.

All as per item No 7.00 above, but of 50 mm dia.

All as per item No 7.00 above, but of 32 mm dia.

All as per item No 7.00 above, but of 25 mm dia.

S&F in replacement of Gun metal gate valves with PP-R Gate valves of size 63 mm (brass insert) as per requirement of the site all as specified and directed by Engr-in-charge.

All as per item No 14.00 above, but of size 50 mm.

All as per item No 14.00 above, but of size 32 mm.

All as per item No 14.00 above, but of size 25 mm.

M&L for Construction of valve pit of size 90x 90 x 90 cm (Internal dimension) incl necessary earth work and MS sheet 2 mm thick cover with angle iron frame 40x 40x 6mm including dismantling of valve pit with cover all as specified and directed.

Taking down old unserviceable sluice valve from existing position and supply and fixing cast iron sluice valve conforming to IS-14846 clockwise dosing with flanged ends and iron wheel including necessary joints by means of bolts, nuts washers and rubber gaskets complete all as specified for 150 mm bore pipe.

All as per item No 19.00 above, but of 100 mm dia.

All as per item No 19.00 above, but of 80 mm dia.

M&L for Cast iron Bends (any type, radius and angle) size up to 200 mm bore, tapers any type, (straight, bend, increasing, decreasing or double socket etc.) Tee pieces single branch. "Y" junction, double branch, cross (flange sockets or socket and spigot) collars, caps and plugs all complete all as specified and as directed.

S&F Air release valve double action chamber to conforming IS-4845 of size 50 mm bore complete all as specified and directed.

Taking down old unserviceable Non Return Valve form existing position and supply and fixing cast iron non return valve conforming to IS-5312, PN-1.6 including necessary joints by means of bolts, nuts washers and rubber gaskets complete all as specified for 150 mm bore of pipe.

Supply and installation of Voltage Stabilizer with rated capacity 130-300 Volts 5 KVA operation range in auto mode with high and low voltage auto cut off for air cooled Split/Window air conditioner unit electric driven, single phase of capacity of 1.5/2 TR along with connected accessories complete all as specified and directed.

Supply Installation testing and commissioning of Outdoor type Intelligent Remote Terminal Unit Flowchart programmable Panel of overall minimum size 420mm x 420mm x 250mm, fabricated with 1.6mm thick CRCA sheet, powder coated, fixed on wall as directed, including comprising following: (i) 1 No - RTU (REMOTE TERMINAL UNIT) Make: CIMCON/Safetek/Powertek with Analog Input: 8 Nos, Digital Input: 16 Nos, Digital Output: 8 Nos, Analog Output: 02 Nos, 02 Nos, RS 232/ RS 485 communication Ports, 01 No. Ethernet communication port, MOD Bus compatibility, Aux supply 24V DC, Program memory back up facility, Real Time Clock, operating temperature range 0 to 55 degree C, Intruder RTU has future enhancement & Sound Editing facility for any wav sound file, multiple sound support and can handle up to 100 sites or mobile Nos. (ii) 1 No - SMPS of 230V AC Input, 24V DC output, suitable current rating. (iii) 1 No - HMI of Suitable size of LCD display with sealed membrane key. (iv) 1 No - MCB SP of suitable rating.(v) Internal wiring with PVC insulated multistanderd copper conductor cable of size 0.5 sqmm with ferruling and suitable lugs. (vii) 1 No - Isolation Transformer for protection of RTU. (viii) Battery Backup system for 2 hours with SMS facility on power fail. (ix) Multiple Vocal alarms as per recording approval given by Engr-in-Charge.

Supply, installation, testing and commissioning of RTU Logic development software along with all required configuration and recording of Sounds as per site requirement complete all as specified and directed. Make: CIMCON/Safetek/Powertek.

Supply, Installation testing and commissioning of LED based MIMIC Panel of overall size 400mm x 400mm x 150mm deep, fabricated with 1.6 mm thick CRCA sheet, powder coated, fixed on wall as directed, suitable for monitoring of Intruder Alarms, Power On status of each site including comprising of LED with mounting arrangement & internally pre wired complete all as specified and directed. Make: CIMCON/Safetek/BCH.

Supply, Installation testing & commissioning of wireless modem suitable for GSM based communication system to be mounted in RTU Enlosure including GSM base SIM card suitable complete all as specified and directed. Make: CIMCON/SIEMENS/ D LINK/MOTOROLA.

S&F Bell push, Single pole, flush type, 5 Amps 230 V, all as specified and as directed. Make: Anchor/legrand/Havells.

S&F foot switch, 230 volts, AC, contact rating of 6 Amps all as specified and as directed. Make: SALZER, LEGRAND, SCHNEIDER, BALIGA.

Supply, Installation, testing and commissioning of 3 km Diametrical Vertical Outdoor Siren complete all as specified and directed. Make Kheraj/National.

S&F Amplifiers suitable 28 W-30 W 230V 50Hz of sturdy design weather proof type for operating under rough conditions all as r/U specified and as directed. Make: Ahuja/Bosch/Philips.

S&F Loud Speaker 15 watt, 230V 50Hz, of sturdy design weather proof type with Re-entrant horn type Loud Speakers for operating under rough conditions all as r/U. specified and as directed. Make: Ahuja/Bosch/Philips.

Supply of GSM SIM cards with validity voucher & SMS packs for 24 months for control & monitoring charges restricted to Rs 2500/SIM/year complete all as specified and directed.. Note:- GSM service provider shall be chosen (as per network availability) by Engr-in-Charge.

Supply and fixing of 2x1.5 sq. mm and 1x1.0 sq. mm earth wire in PVC Conduit pipe 25 mm complete Wiring for circuit/submain wiring alongwith earth wire of FR is PVC insulated copper conductor, single core cable in surface/ recessed as required/ complete all as specified and directed.

NOTES :- 1. The amount of schedule of credit shall be deducted from the total of this BOQ for arriving at contract sum.

M/S Banerjee construction co

M/S MANAS MITRA

BUILDERS ASSOCIATE

SUNIL DAS AND CO

SHRI P P SHARMA

HALDER ENTERPRISERS

NIRANJAN SARKAR