84170/E8 PROVISION OF ELECTRIC AND WATER SUPPLY FOR INSTALLATION OF NEW AUTOMATIC WEATHER STATION (AWS) AT AF STATION CHABUA AND ALG PASIGHAT AND PROVISION OF EMERGENCY BELL AT DWO ROOM WITH ALLIED WORKS AT AF STATION CHABUA UNDER GE (AF) CHABUA

Amount

Excavation in trenches, n exc 1.5 m wide and n exc 1.5 m in depth; for foundation, for laying cable, pole, stay etc. and getting out in soft & loose soil complete all as specified and as directed.

Returning, filling in, including spreading, levelling, watering and well ramming in layers not exc 25 cm. complete all specified and as directed

Removing excavated material not exceeding 50m and depositing where directed at a lavel not exc 1.5m above the starting point. complete all specified and as directed

Supply, Installing & testing and commissioning factory made and tested outdoor type floor mounted, LT panel Cubical type suitable for 240 volts 3 phase 4 wire, 50 Hz AC supply system, having bus bar chamber with insulated aluminium bus bar 100Amp made of 3.0 mm thick stainless steel sheet and 50 x 50 x 6 mm thick angle iron frame work, powder coated finish over one coat of red oxide primer out side and two coats of red oxide primer inside, both front & rear opening type with aprons for cable entry with double door shutter and locking arrangement, internal wiring with PVC insulated solid copper conductor FRLS cable IS 694 marked of adequate size but not less than 4 Sqmm. The scope of work includes the following :- INCOMMING :- (a) Aluminium Busbar 100 Amp rating suitable for incommer and outgoing MCBs (b) MCB 2 Pole, 240 Volt, 32 Amps, breaking capacity 10 kA, - 01 No (c) Multifuction panel meter square type to measure singlephase Voltage, load current, frequency including necessary CT/PT of suitable ratio . : 01 Nos (d) LED Indicator lamp OUTGOING :- (a) MCB 2 Pole, 240 Volt, 16 Amps, breaking capacity 10 kA, - 02 Nos ( 1 x working) and 1 x standby) (b) MCB 2 Pole, 240 Volt, 10 Amps, breaking capacity 10 kA, - 01 No

Supply laying & testing of 16 Sqmm, 2 core XLPE insulated, armoured, heavy duty under ground electric cable with stranded aluminum conductor, 1100 volts grade, laid in trenches, sleeving through pipes or fixed on poles & walls or laid under floors including jointing with suitable size aluminum lugs after taking down of old unserviceable cable complete all as specified and as directed.

M&L Sand Cushioning (Dry) in Trenches/Ducts for protection of UG Cables (below, above and around the UG Cable laid) of 230 mm Spread thickness (80mm in Depth before Laying the Cable and 150 mm in Depth after Laying the Cable) and Consolidated (Punned) upto 180 mm thickness, complete all as specified and as directed. NOTE : For the purpose of Payment, Punned thickness of Sand Cushioning will be Measured..

Supply & Laying Sub-Class B brick, Well Burnt, Laid breadth-wise along the Length of Cable laid in Trenches over Sand Cushion for UG Cable Protection, complete all as specified and as directed.

M&L for Boring of holes under road, pavement, hard standing by trenchless technology using ultra sounding technique/Manual and necessary machine suitable for 40mm GI pipe complete all as specified and directed at site

Supply and fixing 15mm dia galvanised iron steel tube, "medium grade", ISI marked with all fittings, laid in trenches, under floor, road and on wall complete all as specified and directed.

Supply and fixing 25mm dia galvanised iron steel tube, "medium grade", ISI marked with all fittings laid in trenches complete all as specified and directed. NOTE:-Excavation, returning and removing shall be measured and paid separately under relevant items in this schedule.

Supply and fixing 40mm dia galvanised iron steel tube, "light grade", ISI marked with all fittings for protection of cable under floor, road and on wall complete all as specified and directed.

Supply and fixing 40mm dia galvanised iron steel tube, "medium grade", ISI marked with all fittings laid in trenches complete all as specified and directed. NOTE:-Excavation, returning and removing shall be measured and paid separately under relevant items in this schedule.

M &L for GI Earthing with GI earth plate electrode 600 mm x 600 mm x 6 mm buried directly in ground verticvally to depth not less than 2.25 mtr below ground level with top edge of the plate at a depth not less than 1.5 mtr below ground level, earth plate connected to galvanised earth strip of size 32 x 6 mm up to 7.5 mtr long by means of brazing with nuts, bolts, check nuts, & washers ,testing of completion (drawn in earth strip protection pipe light gade GI of size 40 mm dia) by means brazing at both edges with vertical plane of electrode all as shown in plate No 3 of SSR Part - I connected to earthing stri with earth termination point filling with charcoal dust 200 Kg, common salt 100 KG , including necessary excavation and earth work in any type of soil ,perforated watering pipe,funnel with wire mesh,earth strip protection pipe light grade PCC chamber 1:3:6 type C1 (for even finish on both the faces) and RCC cover 1:2:4 Type B1,450 x450 x50 mm thick with 6 mm dia CTD bars 150 mm c/c with 2 Nos of handles of 10 mm dia steel rod all as specified and directed and testing on completion and connected to equipment with lugs and screw nuts etc. complete all as specified and as directed by Engineer-in-Charge.

M & L Plain Cement concrete, 1:4:8, type D- 2, (using 40mm graded stone aggregate) as in foundations, filling and mass concrete complete all specified and as directed.

M & L Brickwork with sub class ‘B’ bricks, straight or curved on plan exc 6m mean radius built in cement mortar 1:6 complete all as specified and as directed.

M&L for providing plain cement concrete (1:2:4), type B-1 (using 20mm graded stone aggregate) as in copings , steps, plinth courses, haunching, benching, kneelers, apex stone bed plates and the like including weathering slightly rounded or chamfered angles and throating including necessary use and waste of formwork to achieve even and smooth finish complete all as specified and directed.

M&L for Hardcore of gauge not exc. 63 mm, broken stone or boulders deposited, spread and levelled in layers n exc. 15cm thick, watered and rammed to a true surface complete all specified and as directed

M & L 100mm thick Plain Cement concrete, 1:4:8, type D- 2 (using 40mm graded stone aggregate) as in sub-base complete all as specified and as directed.

M & L applying two coat of synthetic enamel paint over a coat of red oxide zinc chrome primer after preparation of new steel surface over 10cm width or girth complete all as specified and as directed.

S & F of 500 litre capacity Rotational moulded polyethylene water storage tanks (cylindrical vertical with closed top), (ISI mark), hoisted and fixed in position all as specified in SSR Part-I including 15mm Ball brass valves, high pressure, with polythene float and flynut screwed for iron pipe or brass ferrule and fixed complete all as specified and as directed.

S&F Roof trusses, purlins, rafter, main column, crane gantries, rails and fastenings and heavy bracket framing (Beam, tee, angle, channel or flat sections) including distance pieces, cleats etc. of Fe 410 -W (Gde- E- 250) quality A complete all specified and as directed

S & F of 15mm size Gun-metal globe or gate valves, with iron wheel head, screwed both ends for iron pipe and fixed complete all as specified and directed.

S & F of 25mm size Gun-metal globe or gate valves, with iron wheel head, screwed both ends for iron pipe and fixed complete all as specified and directed.

S&F in 15 mm dia bore bib taps cast copper alloy with, capstan head, CP long body "fency type" screwed down for 15mm dia iron pipe complete all as specified and as directed.

M&L for 15 mm thick rendering in cement mortar (1:4) on fair faces of brick work or conrete surfaces / stone masonry and finish the surfaces even and smooth without using extra cement complete all as specified and directed.

Drilling vertical bore upto 60 feet manually / mechanically suitable for 50 mm dia GI pipe and fixing of hand pump with 1 hp pump motor with all electrical connection including required fittings for fixing of hand pump and PCC work complete all as specified and directed. NOTE:-Spare parts shall be measured and paid separately under relevant items in this schedule.

Supply only PVC strainer / filter, 50 mm dia, 8 feet long for hand pump,complete all as specified and as directed.

Supply only Cast iron hand pump set complete all as specified and as directed.

S&F monoblock pump set, Single phase, 220 volts, HP motor capacity, 50 Hz, 2820 RPM, discharge 295- 145 LPM at 10.5 - 15 mtr head with pipe size suction and Delivery 40 x 40 mm pipe line complete all as specified and directed. NOTE :- Any modification work required for suction and delivery water connections/electricconnection,nut,bolts,washers,gaskets,flanges, base plate form PCC / angle iron frame including welding and cutting work will deemed to be including in quoted rates.

Supply, lay, jointing commissioning and testing 6Sqmm, 2 core LT electric power Cable with copper conductor (heavy duty) 1100 volt grade, laid in trenches / duct or fixed to wall / passing through pipe with suitable size cable glands, cable lugs, complete all as specified and as directed.

S&F 25mm dia (outdoor type) PVC Flexible pipe, "heavy duty" with all fittings and fixed to walls and ceilings or laid in floors, under road, pavement or hard standing for protection cable complete all as specified and directed.

S&F Emergency Alarm bell, Electronic type horizontal single stage continious normal operation with sound output of 200mtrs range complete all as specified and as directed.

S&F switch socket combination 6 /16 Amps, 5 in 1, flush type complete all as specified and as directed.

M/s PRABIR ENTERPRISE (BID ID -3472475)

M/S S. P. ENTERPRISE (BID ID -3473912)

M/S A K ENTERPRISE (BID ID -3471837)

M/s Sashi Enterprise (BID ID -3473615)

MAA COMMUNICATION (BID ID -3473358)