UPGRADATION OF EXISTING EXTERNAL ELECTRICITY SUPPLY LINE AND WATER DISCTRUBUTION SYSTEM AT DRL TEZPUR COMPLEX

EXTERNAL SERVICES WATER SUPPLY GI PIPES AND MASONRY CHAMBER FOR WATER SUPPLY

Providing and fixing G.I. pipes complete with G.I. fittings including trenching and refilling etc. External work

a) 25 mm dia nominal bore

b) 32 mm dia nominal bore

c) 50 mm dia nominal bore

d) 80 mm dia nominal bore

Providing and fixing C.I. sluice valves (with cap) complete with bolts, nuts, rubber insertions etc. (the tail pieces if required will be paid separately) : a) 100 mm diameter

Providing and fixing gun metal gate valve with C.I. wheel of approved quality (screwed end) :

a) 50 mm nominal bore

b) 80 mm nominal bore

Providing and fixing gun metal gate valve with C.I. wheel of approved quality (screwed end) : a) 25 mm nominal bore

Constructing masonry Chamber 60X60x50 cm inside, in brick work in cement mortar 1:4 (1 cement :4 coarse sand) for stop cock, with C. I. surface box 100x100 x75 mm (inside) with hinged cover fixed in reinforced cement concrete slab 1:1.5:3 mix (1 cement : 1.5 coarse sand : 3 graded stone aggregate 20 mm nominal size), including necessary excavation, foundation concrete 1:5:10 ( 1 cement : 5 fine sand : 10 graded stone aggregate 40 mm nominal size ) and inside plastering with cement mortar 1:3 (1 cement : 3 coarse sand) 12 mm thick, finished with a floating coat of neat cement complete as per standard design : a) With common burnt clay F.P.S.(non modular) bricks of class designation 7.5

Constructing masonry Chamber 90x90x100 cm inside, in brick work in cement mortar 1:4 (1 cement : 4 coarse sand) for sluice valve, with C.I. surface box 100 mm top diameter, 160 mm bottom diameter and 180 mm deep (inside) with chained lid and RCC top slab 1:1.5:3 mix (1 cement : 1.5 coarse sand : 3 graded stone aggregate 20 mm nominal size), including necessary excavation, foundation concrete 1:5:10 (1 cement : 5 fine sand : 10 graded stone aggregate 40 mm nominal size ) and inside plastering with cement mortar 1:3 (1 cement : 3 coarse sand) 12 mm thick, finished with a floating coat of neat cement complete as per standard design : a) With common burnt clay F.P.S.(non modular) bricks of class designation 7.5

Painting G.I. pipes and fittings with two coats of anti-corrosive bitumastic paint of approved quality :

a) 25 mm diameter pipe

b) 32 mm diameter pipe

c) 50 mm diameter pipe

d) 80 mm diameter pipe

Providing and fixing gun metal non- return valve of approved quality (screwed end) : a) 80 mm nominal bore Vertical

ACTIVATION OF NON FUNCTIONAL BORES (2 Nos)

Boring/drilling bore well of required dia for casing/ strainer pipe, by suitable method prescribed in IS: 2800 (part I), including collecting samples from different strata, preparing and submitting strata chart/ bore log, including hire & running charges of all equipments, tools, plants & machineries required for the job, all complete as per direction of Engineer-in-charge, upto 90 metre depth below ground level

All types of soil a) 300 mm dia

Rocky strata including Boulders a) 300 mm dia

Supplying, assembling, lowering and fixing in vertical position in bore well, unplasticized PVC medium well casing (CM) pipe of required dia, conforming to IS: 12818, including required hire and labour charges, fittings & accessories etc. all complete, for all depths, as per direction of Engineer -in-charge a) 200 mm nominal size dia

Supplying, assembling, lowering and fixing in vertical position in bore well unplasticized PVC medium well screen (RMS) pipes with ribs, conforming to IS: 12818, including hire & labour charges, fittings & accessories etc. all complete, for all depths, as per direction of Engineer-in-charge. a) 100 mm nominal size dia

Gravel packing in tubewell construction in accordance with IS: 4097, including providing gravel fine/ medium/ coarse, in required grading & sizes as per actual requirement, all complete as per direction of Engineer in-charge

Development of tube well in accordance with IS : 2800 (part I) and IS: 11189, to establish maximum rate of useable water yield without sand content (beyond permissible limit), with required capacity air compressor, running the compressor for required time till well is fully developed, measuring yield of well by “V” notch method or any other approved method, measuring static level & draw down etc. by step draw down method, collecting water samples & getting tested in approved laboratory, including disinfection of tubewell, all complete, including hire & labour charges of air compressor, tools & accessories etc., all as per requirement and direction of Engineer-in-charge

Providing and fixing suitable size threaded mild steel cap or spot welded plate to the top of bore well housing/ casing pipe, removable as per requirement, all complete for borewell of: a) 150 mm dia

Providing and fixing M.S. clamp of required dia to the top of casing/ housing pipe of tubewell as per IS: 2800 (part I), including necessary bolts & nuts of required size complete. a) 150 mm clamp

Providing and fixing Bail plug/ Bottom plug of required dia to the bottom of pipe assembly of tubewell as per IS:2800 (part I). a) 100 mm dia

Providing and fixing Chlorinated Polyvinyl Chloride (CPVC) pipes, having thermal stability for hot & cold water supply including all CPVC plain & brass threaded fittings This includes jointing of pipes & fittings with one step CPVC solvent cement, trenching, refilling & testing of joints complete as per direction of Engineer in Charge External work

50 mm nominal dia Pipes

65 mm nominal dia Pipes

Supplying, Installation , Testing, commissioning and lowering of submerisiable pumps set as per specifications (enclosed in cage) by using PVC column pipes - working pressure 6kg / sqcm (pipes including in separate column of schedule) including binding submerisiable cable 1 No pressure gauge with isolation cock along with column pipes with suitable size of clamps. The submersible Pump set with direct coupled motor rated for 3 phase, 50 cycle 415 +10% volts A/c supply with the following duty Total head- 200 mts. Flow rate - 10000 ltr/hr. (Minimum ) -5 HP motor (appx.)

Supply & Installation of CPVC Pipes (SDR-11) column pipe including all fittings, clamps as required 62.5 mm nominal inner dia pipe

Supply , Installation , testing & commissioning of Control Panel for Tube well pump with indication lamps, accessories etc. as required and complete with weather proof type box (IP 55)made out of and complete with weather proof type box (IP 55)made out of 2 mm thick CRCA sheet including painting with epoxy powder coating. The box shall be consisting of DOL starter suitable for 5 HP motor with MPCB, Contactor , Over Load Relay , On/Off push buttons, On/ Off/ Trip Indications, Ammeter and volt meter etc complete.

OVERHAULING/ REPAIR OF WATER SOFTENER PLANT

Overhauling repairing and commissioning of existing water softner unit by replacing the, filtering sand, active carbon 1000 N, 225NA resin pebbles, cores silex , fine silex dosing pump 4 LPH pressure gurage dia 4" etc complete including freight charges of material as per requirement and direction of Engr in charge.

Supply Installation, testing and commissioning of Centrifugal Pump of 5 HP 3 Phase capacity including foundation etc complete as directed by Engr in charge.

ELECTRIC SUPPLY DISMANTELING AND REPLACEMENT OF OLD OVER HEAD ELECTRICAL LINES AND LAYING UNDERGROUND CABLES

Dismantling of over head lines comprising of copper/ aluminium over head conductor, G.I. wire, cross arms, insulators etc. as required.

Laying of one number PVC insulated and PVC sheathed / XLPE power cable of 1.1 KV grade of following size direct in ground including excavation, sand cushioning, protective covering and refilling the trench etc as required.

a) Upto 35 sq mm

b) Above 35 Sq mm and upto 95 sq mm

c) Above 95 Sq mm and upto 185 sq mm

Supplying and making end termination with brass compression gland and aluminium lugs for following size of PVC insulated and PVC sheathed / XLPE aluminium conductor cable of 1.1 KV grade as required.

a) 3.5 Cx 185 Sqmm Al XLPE

b) 3.0 Cx 95 Sqmm Al XLPE

c) 4 Cx 35 Sqmm Al XLPE

d) 4 Cx 25 Sqmm Al XLPE

e) 2 Cx 16 Sqmm Al XLPE

Supplying and fixing following way, horizontal type three pole and neutral, sheet steel, MCB distribution board , 415 v, on surface/ recess, complete with tinned copper bus bar, neutral bus bar earth bar, din bar, interconnections, powder painted including earthing etc. as required. (But without MCB/ RCCB/ Isolator) a) 4 way (4+12), Double door

Providing and fixing following capacity TP&N disconnector fuse switch unit inside the exiting panel board with ISI marked HRC fuses including driling holes in cubicle panel, making connections, etc as required. a) 32 A TP&N

Supplying and fixing 5 A to 32 A rating , 240/415 V , 10KA, "C" curve , miniature circuit breaker suitable for inductive load of following poles in the existing , MCB DB complete with connections, testing and commissioning etc. as required a) Double pole

Supplying and fixing following rating, four pole, 415 V, isolator in the existing MCB DB complete with connections, testing and commissioning etc. as required.

Earthing with G.I. earth plate 600 mm X 600 mm X 6 mm thick including accessories, and providing masonry enclosure with cover plate having locking arrangement and watering pipe of 2.7 metre long etc. with charcoal/ coke and salt as required.

Earthing with copper earth plate 600 mm x 600 mm x 3 mm thick including accessories , and providing masonry enclosure with cover plate having locking arrangement and watering pipe of 2.7 metre long etc. (but without charocal / coke and solt ) as required.

Supplying and laying 25 mm X 5 mm G.I strip at 0.50 metre below ground as strip earth electrode, including connection/ terminating with G.I. nut, bolt, spring, washer etc. as required. (Jointing shall be done by overlapping and with 2 sets of G.I. nut bolt & spring washer spaced at 50mm)

Providing and fixing 25 mm x 5 mm copper strip in 40 mm dia G.I. pipe from earth elctrode including connection with brass nut, bolt spring, washer excavation and re-filling etc. as required.

Supplying and installing following sioze of perforated painetd with powder coating M.S. cable trays with perforation not more than 17.5%, in convenient sections, joined with connectors , suspended from the celling with M.s suspenders including bolts & nuts, painting suspenders etc as required.

a) 300 mm width x 62.5 mm depth x 2.0 mm thickness

b) 450 mm width x 62.5 mm depth x 2.0 mm thickness

TRANSFORMER & PANEL

Supplying, installing, testing and commissioning of 3 phase 500 KVA step down Transformer 11 kv/ 433 output complete with all accessories as per direction of Engineer - in - Charge. Make Kriloskar.

Supplying of following size cables as 1.1KV grade as required

a) 3.5C X 185 sqmm,

b) 3.5C X 95 sqmm,

c) 3.5C X 35 sqmm,

d) 3.5C X 25 sqmm,

e) 3.C X 16 sqmm,

f) 3C X 10 sqmm,

Supply, Installation Testing & Commissioning of cubicle type dust and vermin proof powder coated, Change over panel made out with 2mm thick CRCA sheet of suitable size with voltmeter,Ammeter, Energymeter and indication lights and to withstand fault level of 25KA. Including Panel Foundation. The Panel will be comprising of following:- Incoming 1000 A Change over switch open type with digital including (MFM) with CTs and indicates (On, Off, Trip RYB & other accesories)

CHAIN LINK FENCING FOR TRANSFORMER 500 KVA

Earth work in excavation by mechanical means (Hydraulic excavator)/ manual means in foundation trenches or drains (not exceeding 1.5 m in width or 10 sqm on plan) including dressing of sides and ramming of bottoms , lift upto 1.5 m, including getting out the excavated soil and disposal of surplus excavated soil as directed. within a lead of 50 m. a) All kinds of soil

Supplying and filling in plinth with sand under floors, including watering , ramming, consolidating and dressing complete

Providing and laying in position cement concrete of specified grade sxcluding the cost of centering and shuttering - All work up to plinth level:

a) 1:2:4 (1 cement : 2 coarse sand (zone - III) : 4 graded stone aggregrate 20 mm nominal size derived from natural sources)

b) 1:4:8 (1 cement : 4 coarse sand (zone - III) : 8 graded stone aggregrate 40 mm nominal size derived from natural sources)

Brick work with common burnt clay F.P.S. (non modular) bricks of class designation 7.5 in foundation and plinth in : Cement mortar 1:6 (1 cement : 6 coarse sand)

Centering and shuttering including strutting propping etc. and removal of from for Foundation , footings, basses of columns etc. for mass concrete.

Supplying at site Angle iron post & strut of required size including bottom to be split and bent at right angle in opposite direction for 10 cm length and drilling holes upto 10 mm dia. etc. complete

Providing and fixing G.I. chain link fabric fencing of required width in mesh size 50x50 mm including strengthening with 2 mm dia wire or nuts, bolts and washers as required complete as per the direction of Engineer-incharge. a) Made of G.I. wire of dia 4 mm

Steel reinforcement for R.C.C. work including straightering , cutting, bending, placing in position and binding all complete upto plinth level. a) Thermo - Mechanically Treated bars of grade FE- 500 D or more.

Applying priming coat: a) With ready mixed red oxide zinc chromate primer of approved brand and manufacture on steel galvanised iron/ steel works

Painting with synthetic enamel paint of approved brand and manufacture of required colour to give an even shade : a) Two or more coats on new work over an under coat of suitable shade with ordinary paint of approved brand and manufacture

Steel work welded in built up sections/ framed work , includingcutting, hoisting, fixing in position and applying a priming coat of approved steel primer using structural steel etc. as required. a) In gratings, frames, guard bar, ledder, railings brackets, gates and similar works

RAIN WATER HARVESTING & TUBE WELLS GROUND WATER RECHARGE PITS = 4 Nos

Earth work in excavation by mechanical means ( Hydraulic excavator)/ manual means over areas (exceeding 30cm in depth 1.5 m in width as well as 10 sqm on plan) including getting out and disposal of excavated earth lead upto 50 m and for all lift , as directed by Engineer-in-charge. a) All kinds of soil

Extra for every additional lift of 1.5 m or part thereof in excavation / banking excavated or stacked materials. a) All kinds of soil

Boring/drilling bore well of required dia for casing/ strainer pipe, by suitable method prescribed in IS: 2800 (part I), including collecting samples from different strata, preparing and submitting strata chart/ bore log, including hire & running charges of all equipments, tools, plants & machineries required for the job, all complete as per direction of Engineer-in-charge, upto 90 metre depth below ground level. a) All kinds of soil i) 300 mm dia

Supplying, assembling, lowering and fixing in vertical position in bore well, unplasticized PVC medium well casing (CM) pipe of required dia, conforming to IS: 12818, including required hire and labour charges, fittings & accessories etc. all complete, for all depths, as per direction of Engineer -in-charge. a) 200 mm nominal size dia

Supplying, filling, spreading & leveling stone boulders of size range 5 cm to 20 cm, in recharge pit, in the required thickness, for all leads & lifts, all complete as per direction of Engineer-in-charge.

Supplying, filling, spreading & leveling gravels of size range 5 mm to 10 mm, in the recharge pit, over the existing layer of boulders, in required thickness, for all leads & lifts, all complete as per direction of Engineerin-charge.

Supplying, filling, spreading & leveling coarse sand of size range 1.5 mm to 2 mm in recharge pit, in required thickness over gravel layer, for all leads & lifts, all complete as per direction of Engineer -in-charge.

Brick work with common burnt clay F.P.S. (non modular) bricks of class designation 7.5 in foundation and plinth in a) Cement mortar 1:6 (1 cement : 6 coarse sand)

Supply , installation , testing & commissioning of horiziontal Centrifugal pump set with C.I Casing bronze impeller suitable for operation on 440 volts, 3 phase at discharge side of each pump , G.M. isolation cock complete as required , cost shall include Electrical control Panels with wiring / cabeling , control cabeling earthing complete. a) Capacity 500 LPM, 5 HP each (approx) Head -25 Mtr, RPM - 2900 ( Delivery Pumps) (GeM rate)

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