PROVISION OF COMMERCIAL POWER SUPPLY FOR BOTH AWS, CONSTRUCTION OF 04 X CHEMICAL EARTH PITS FOR RADAR AND ASSOCIATED EQUIPMENT AND PROVN OF 03 X TUBEWELL AND SUBMERSIBLE PUMP AT AF STN PURNEA UNDER AGE (I) (AF) PURNEA

M&L for Providing & fixing 100 mm dia UPVC blind pipe Class CM with threaded connections, couplers etc. as required complete all as specified and directed.

M&L for Providing & fixing 100 mm dia UPVC slotted pipe Class CM with threaded connections, couplers etc. as required complete all as specified and directed.

M&L for Providing & fixing 100 mm dia threaded well cap, housing clamps, guide wires, tail plug etc. or any other tubewell fitting required,complete all as specified and directed.

M&L for Providing peagraval filter fill of approved quality of size 1.5 - 6 mm between bore & pipe assembly or as required,complete all as specified and directed.

M&L for Cleaning, developing, testing of tube well for its yield & quality of water with heavy duty air compressor , complete all as specified and directed.

M&L Supply installation, testing & commissioning of submersible pumpset suitable for 200 mm bore with noryll/ bronze / ss impeller, ss shaft, mech. seal, built in NRV with 1.5 HP submersible squirell cage motor suitable for single phase, 230 volts +- 10%, 50hz single phase, AC supply, water proof cable 2.5 sq mm Aerolex ( 60 mtr length )or euivalent make for connection to motor, including steel wire 4mm dia for holding submersible pump, elbow, nipple, pressure gauge assembly with isolation valve, on delivery pipe of pump set etc including electric DOL panel fitted with ammeter, voltmeter single phase preventer, MCB on/off switch push button duly wired and made out of 20 SWG sheet duly painted all complete as per specification /as approved by Engineer-in-Charge. Note:- (i)Capacity - 0.5/0.9/1.3/1.5/1.8 cum/hr approx (ii)Head - 115/100/80/69/48 metre approx & 1.1 HP motor approx. (iii) The contractor shall submit the PV before claiming payment in RAR . The non-production may cause non-payment of RAR/FB. (iv) Make:- Kirlosker,KSB, Crompton Greaves or equivalent make.

Supply and laying galvanised iron pipes 40 mm dia of 'medium grade' with ISI marked with all tube fittings (such as bend, elbows, tees, short pieces of medium grade, connectors, back nuts, caps , plugs and unions etc) laying in trenches/floor/ducts and also cutting pipes, screwing and for making forged bends on piping as required,complete all as specified and directed by Engr-in-charge.

S&F Gun metal gate valave of size 50 mm ISI marked with iron wheel head, screwed both ends for iron pipe with union, complete all as specified and directed by Engr-in-Charge

Supply and laying under ground XLPE insulated PVC sheathed (Heavy duty) armoured 1100 volts grade aluminium conductor cable of size 06 Sqmm 2 core as per IS 7098 (Part I) laid in trench or on floor / wall/pole with suitable size clamp including connection with cable glands, aluminium lugs etc complete all as specified and as directed. Note:- Excavation, earthwork and protection of cable shall be measured and paid seperately under relevant item of BOQ. Note:- (i) Excavation, Earth work, brick protection and sand cushioning shall be measured and paid separately under respective item. (ii) Cable route indicator of metal of height 600 mm above GL duly written "LT CABLE" on every 50 mtr to be fixed with PCC (1:4:8), 150 mm below the GL , Cost of route indicator and PCC for fixing indicators to be deemed in this item rate.

Supply and fix 40mm bore steel tubes "light grade" galvanized with all fittings and fixed to walls or in trenches, complete all as specified and as directed.

Boring of holes under road, pavement, hard standing mannually or by trenchless technology using ultra sounding technique and necessary machine or mannually etc as per site requirment.complete all as specified and as directed.

S&F HDPE of pressure rating 6 kgf/Cm2 of size 40 mm laid in trenches complete all as specified and as directed.

Excavation in trenches not exc 1.50 mtr wide and not exc 1.50 mtr in depth for taking out/laying of under ground cable, pole or stay and getting out in soft/loose soil, complete all as specified and as directed.

Returnig , filling in, including spreading, levelling, watering and well ramming in layers not exc 25 cm thick in soft / loose soil complete all as specified and as directed by Engr-in-charge.

Removing excavated materials (soils) not exc 50.00mtr and depositing where directed at a level not exc 1.50 mtr above the starting point in soil, complete all as specified and as directed.

Material and labour for river sand, washed and screened dry for cushioning to under ground cable in trenches below and around under ground cable including spreading and levelling complete as specified and directed . Note :- Punned thickness 18 cm shall only be considered for payment.

Supply and lay in trenches brick, common burnt in clay, building brick, sub class 'B' designation 75 for cable protection all as specified and directed by the Engr-in-Charge.

S&F cable junction box with IP 67 protection (halogen free and weather proof) for outdoor installations of size 250 X 250 X 160 mm with terminals including SP MCB of 6 A, gland for cable, FI clamp of size 20 x 3 mm, nuts, bolts, washers, provision of connectors for connection of cables etc complete at a height of 1 meter from GL along with angles and PCC for mounting complete all as specified and directed by the Engr-in-Charge.

Supply & Installation of Advance encapsulated compound based CPRI tested maintenance free, pipe in-pipe technology upgraded (Zinc & Alloy Coated), ZINC COATED (80-100) microns with pure Zinc(99.9%) & ALLOY COATING (200-250)microns. Earthing System confirming IS 3034.The outer and inner pipe should be 48.3mm & 26.4mm 3 mtr Length, Zinc coated with additional special Alloy coating 300mm on the topside for additional protection of the Terminal. The annular space between the pipes being filled up with COMPACT FILL (CF) (Crystalline Conductive Compound). The COMPACT FILL (CF) mixture which is machine pressed in the pipes should not disintegrate or collapse when outer pipe corrodes. The inner pipe should be extended with terminals for connectivity, The job includes digging the pits and refilling the same by Electrodite & Conductolite Back Fill compound (Ground Enhancer), the BFC should be eco friendly it should not contain environmentally hazardous material/metal having ROHS Certification from NABL accredited lab. The earth pit should be provided with a FRP earth pit cover for protection and safe guard of terminals. the earth pit has been excavated 1mx1mx3m and filled with, GOOD EARTH ie Black cotton or moistures normal soil is to be arranged to fill the excavated pits by mixing the arranged soil with BFC 2 Electrodite & 2 bags Conductolite BFC for installation of earth Electrode. Note:Earth strip for connection will be measured and paid seprately.The earthing value should be less than 2 Ohms for single earth. Make “ASHLOK”Model-ASEEL-39- ZC & AC / “INDELEC”, “MACMATE” and ABB or equivalent approved make. NOTE:-The contractor shall submit the PV before claiming payment in RAR . The non-production may cause non-payment of RAR/FB

Supply and fix Baron back fill compound(CONDUCTOLITE) 25KG a bag for filling in existing earthing, complete all as specified and as directed.

S&F Earth continuity conductor or main earthing lead fixed to wall on batten or recess or chases or buried in ground or drawn in conduit/pipe or fixed to poles or any other indicated situation for loop earthing etc. as required for 32x6 copper strip using porcelain clit/post insulators, including brazing if required, complete all as specified and directed.

S&F test point terminal block made of gun metal or phosphorous bronze , size 75 X 75 X 25 mm , drilled and screwed including 3 Nos. 8 mm dia. 25 mm long hexagonal head screws in repair including MS box 2 mm thick of suitable size for protection of test point terminal, complete all as specified and as directed.

S&F PVC colour coated earthing strip insulator to existing earthing strip of any type/size on wall/floor including screw and necessary T&P with tensile strength 25 Mpa, complete all as specified and as directed.

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