Preventive maint and servicing of water supply distribution system, cleaning of OHT and other connected items at Varanasi Cantt.

Amount

M&L for Excavation in Trenches, not exc. 1.50 Metre Wide and Depth not exc. 1.50 Metre for Taking out/up and Laying of Water Mains, Cables and getting out as in Soft/Loose Soil complete all as specified and as directed.

Returning, Filling in including Spreading, Levelling, Watering, Well Ramming in Layers not exc. 25 Cm, Providing Heaps along the Route of the Water Mains, Cable Lines, etc. with Surplus Soil in Soft/Loose Soil, complete all as specified and as directed.

Removing Excavated Materials (Soils) not exc. 50.00 Metre and depositing where directed at a level not exc. 1.50 Metre above the Starting Point in Soil, complete all as specified and as directed.

Spreading of natural, clean and dry river sand in trenches for cable protection (8 cm before laying the cable and 15 cm after laying the cable) and consolidated complete all as specified and directed. NOTE:- Punned thickness of 18 cm shall only be measured and paid.

Supply and lay burnt clay fly ash bricks class 'B', old size, designation 75, size 230mm x 115mm x 75mm, laid in trenches for cable protection with length of brick equal to width of trench, complete all as specified and directed.

Steel tubing, light grade, ISI marked, galvanised including short lengths, laid in trenches / fixed to walls / ceilings or laid in floors / laid in ducts / laid under road crossing for cables, complete with all fittings (such as bends, elbows, Tee, short pieces, connectors, back nuts, diminishing pieces, caps, plugs and unions etc.,), 50mm bore of pipe including taking down old and unserviceable pipe, complete all as specified and directed. NOTE:- Necessary excavation and earthwork for taking down old and unserviceable GI pipe shall be measured and paid separately under respective items of this Schedule.

Cutting the existing road/hard standing surfaces to a depth of 90cm and 50cm width and getting out for laying under ground pipe including returning filling in, watering well ramming in layers not exceeding 25cm in soil and filling the trench top with 15 cm PCC type B1 1:2:4 (using 20mm graded) and making good the disturbed surface all as specified and directed by Engr-in-Charge.

Supply, lay, jointing and testing of DI pipes for coroded/broken DI pipes with flanged ends centrifugally cast type, class K-7 pressure pipe for water supply, ISI marked suitable for ring tyton joint in any length laid in trenches in proper alignment of following sizes:-

100mm bore

150mm bore

Supply, lay, jointing and testing of DI pipes for coroded/broken DI pipes with socket and spigot joint centrifugally cast type, class K-7 pressure pipe for water supply, ISI marked suitable for ring tyton joint in any length laid in trenches in proper alignment of following sizes:-

100mm bore

150mmbore

Taking up or down UNSV CI/DI water mains including all necceassy fittings complete from trenches all as specified and as directed by engineer in charge of following sizes :-

100 mm bore

150mmbore

M&L for GI steel tubings of medium grade with all fittings laid in trenches complete of following sizes:-

15mm bore

20mm bore

25mm bore

40mm bore

50mm bore

M&L for GI steel tubings of medium grade with all fittings and fixed complete to walls/ ceiling or laid in floors of following sizes :-

15mm bore

20mm bore

25mm bore

Taking up or down old rusted and UNSV GI water tubing including all necceassy fittings complete from walls /floor or trenches all as specified and as directed by engineer in charge of following sizes:-

15mm bore

20mm bore

25mm bore

40mm bore

50mm bore

Supply and fixing in repair gun metal gate/ globe valve with iron wheel head screwed both ends for pipe and fixed for following sizes :-

15mm bore

20mm bore

25mm bore

40mm bore

50mm bore

M&L for CI/DI fittings bends ( any type of radius and angle) Tapers any type of straight bends, increasing , decreasing or double socket etc. Tees , Pieces , single branch ,Y junctions , double branch , cross ( all sockets or socket and spigot ) collars, Clamps, Caps and plugs upto 150mm bore pipe complete all as specified and as directed.

Supply and fix in repair sluice valve of pressure rating PN 1.6 with stainless steel rod/spindle and check nut of following sizes :-

80mm dia

100mm dia

150mm dia

Supply and fix in repair non return valve (NRV) 150mm of pressure rating PN 1.6 with stainless steel rod/spindle and check nut complete all as specified and as directed.

M&L for demantling of existing sluice valve of 100/150mm bore and taking out operating rod and check nut and transporting to workshop for repair of S/S rod and replacement of brass check nut including threading,all lathe work and refixing in position all as specified and directed.

S&F mechanical joint (D - joint) in repair/ replacement of broken CI/DI pipe line complete with rubber ring nut/bolts and washer with sleeve length of 100/150mm of following sizes:-

80mm dia

100 mm dia

150mm dia

Providing water disinfectant containing 60 to 70% chlorine contents (Calcuim based granular disinfectant for water treatment, packed in 45 KG plastic drum) complete all as specified and as directed.

Providing water disinfectant (TCCA-90) containing 90% chlorine contents (Calcuim based granular disinfectant for water treatment, packed in 50 KG plastic drum) complete all as specified and as directed.

Providing water disinfectant containing 10 to 15% chlorine contents (Calcuim based granular/powder disinfectant for water treatment) complete all as specified and as directed.

Supply and fix in repair of Chlorine test kit with coloured ample complete with all testing fitments and OT solution in Rexene finished box complete all as specified and as directed.

M&L for development of borewell by flushing and cleaning of borewell with Low pressure air compressor to remove raw water, sand, silt, dust or wastes and decayed particles to improve the yield of the borewell having pressure 200 PSI to 400 PSI for continueous duration of 10 to 12 hrs complete all as specified and as directed.

Supply and fill the siliceous , free from foreign matters, washed and disinfected gravels of 10-12.5mm rounded conform to IS-4097:1988 all as directed by Engr-in-Charge

M&L for excavation in loose/soft soil upto the depth not exc 1.0 mtr along the CI pipe line of dia 80 to 200mm dia between leaking area , burning out the leakage joints and jointing with spum yarn and lead complete and refixing the same with proper lead joint and lead wool including necessary returning filling and well ramming in layers n exc 25cm each all as directed by Engineer -in -charge .

M&L for repair of ring tyton joint (rubber gasket joint) for spigot and socket pipes or Joint with rubber or fibre board gasket for flanged pipes including excavation, R&F, rubber ring and all other requiredd material complete for DI/CI pipe of following size :-

100mm bore

150mmbore

M&L for excavation along the CI/DI/GI pipe line of dia 50 to 150mm ( main line ) between leaking area , and taking out old U/S MS clamp and supply & jointing properly with new clamp of same size, type including nuts, bolts and rubber packing complete including necessary returning filling and well ramming in layers n exc 25cm each all as directed by Engineer- in charge .

M&L for repair of leakage of GI pipe line of size 15 to 80mm (laid in trenches or fixed on wall) from tee, elbow, socket, union, reducer, nipple, bore hole, gate valve, bib cock etc Note:- excavation, removal, R&F, make good to match the existing surfaces and all fittings required for the job is included in the unit quoted rate.

M & L dismatling of old unserviceable valve pit chamber and construction of brick masonary valve pit chamber of size 1250 x 1250 x 1250 mm (internal dimension) including necessary excavation and earthwork, PCC 1:4:8, brick work in cement motar 1:4, 12 mm thick rendering in cement mortar 1:4 on internal surface of valve pit and mild steel sheet cover 3mm thick and mild steel angle iron frame size 40 x 40 x 5 mm around of valve pit, locking arrangement with pad lock of size 50 mm brass, 6 leavers and key( make ; Godrej) complete including two coat of synthetic enamel over a coat red oxide primer on steel surface with preparation of surface and including dismantling of existing valve pit complete all as specified & directed.

M & L for construction of brick masonary valve pit chamber of size 1050 x 1050 x 1050 mm (internal dimension) including necessary excavation and earthwork, PCC 1:4:8, brick work in cement motar 1:4, 12 mm thick rendering in cement mortar 1:4 on internal surface of valve pit and mild steel sheet cover 3mm thick and mild steel angle iron frame size 40 x 40 x 5 mm around of valve pit, locking arrangement with pad lock of size 50 mm brass, 6 leavers and key( make ; Godrej) complete including two coat of synthetic enamel over a coat red oxide primer on steel surface with preparation of surface and including dismantling of existing valve pit complete all as specified & directed.

M & L for construction of brick masonary valve pit chamber of size 900 x 900 x 750 mm (internal dimension) including necessary excavation and earthwork, PCC 1:4:8, brick work in cement motar 1:4, 12 mm thick rendering in cement mortar 1:4 on internal surface of valve pit and mild steel sheet cover 3mm thick and mild steel angle iron frame size 40 x 40 x 5 mm around of valve pit, locking arrangement with pad lock of size 50 mm brass, 6 leavers and key( make ; Godrej) complete including two coat of synthetic enamel over a coat red oxide primer on steel surface with preparation of surface and including dismantling of existing valve pit complete all as specified & directed.

Supply and fix best quality gland packing 6 to 12 sq mm dia of make Champion to stop leaking in Pump Houses/sluive valve in field area all as directed.

M&L for making all arrangement of tripot stand, chain pully, clamp for taking out MS column pipe 100 to 150mm dia from borewell including pump , motor and submersible cable and lowering after cleaning and repair work including dismantling and refixing the flanged joint with fresh rubber gasket all as specified and directed.

Repair/Replacement of 'O' Ring (as per site requirement/ as ordered), complete all as specified and directed.

Repair/Replacement of Top Bearing (as per Site Requirment/ as Ordered), complete all as specified and directed.

Repair/Replacement of Impeller (as per Site Requirement/as Ordered), complete all as specified and directed.

M&L for repairing of submersible motor of cap 40 HP, 3 phase, 415 Volts after disconnecting all electrical connection, and transporting the motor to workshop for rewinding with PVC insulated copper conductor ''F' class insulation of existing gauge including cleaning the each slot and providing the insulating material and replacement of bush/bearing and reassembiing after repair complete all as specified and directed.

M&L for FASD motor starter prewired suitable for 40 HP, 3 phase, 415 Volts with suitable relay of 415 Volts, MU contactors, electronic timer switch, single phase preventor, complete all as specified and directed.

M&L for MS nut bolts/washers/ foundation bolts made out of hard carbon steel with mm threading off size of Make TVS or equivalent complete all as specified and as directed.

S&F in repair thermal overload relay 415V range 28 to 42 Amp complete all as specified and as directed.

Supply, Fix 3 Pole Power Contactor ML-3 having AC3 Rating 80 Amps with 2 NO + 2 NC Auxilliary Contacts complete all as specified and as directed.

Supply, Fix and connect MCCB, 3P, 160 Amps 36 KA, 415V with Thermal Magnetic Release, Spreader Links, Adjustable Over Load and Short Circuit setting complete all as specified and as directed.

Taking down chemical dosing pump, single phase 230Volts 50 Hzs of capacity 1.5 gln to 4.75 glns/hrs suitable for 70 mtr head range complete all as specified and directed.

S&F in repair for following parts:-

FRP tank of existing cap

SS agitator shaft including motor

Suction & discharge NRV

Dosing Pump of existing capacity

M&L for repair/maint of digital water level indicator incl installation testing and commissioning of required defective parts including display/indicator switch/float switch/sensor and PVC insulated weather proof connection wire 1.0 Sqmm 4 core annealed copper conductor from OHR to Pump house (Approx 20 mtr length) and electric connection as per existing make. Note:- (i) Necessary scaffolding/ladder/safety equipmnet required to climb over the OH tank shall be provided by the contractor and rates deemed including unit quoted rate. (ii) All safety precausion shall be strictly adhered and damages if any shall be born by contractor during execution. Contractor will ensured that laboures appointed will be life ensured. Unit quoted rate shall be deemed including for above aspects and not any claim entertained by the deptt at any stage.

Dismantling/taking old unserviceable distribution LT Panel and supply, fixing and testing CPRI approved factory made indoor type LT distribution board made out of 2 mm thick CRCA sheet duly powder coated grouted in ground on PCC padestal or fixed in wall of size & sahpe approved by Engineer-in-charge arrangement compartmentalized double door type with suitable compartment for cable alley, and incoming and outgoing cable to be fixed with suitable cable gland and also danger notice board to be embadered and provision for tapping incoming & outgoing electric connections with suitable size of lugs and comprising of the folowing:- INCOMING (a) MCCB, FP, 250 Amp, 415 Volt, 36kA breaking capacity, 50 Hz with thermal magnetic release - 01 No (b) Aluminium busbar high conductivity 400 Amp rated 3-phase, 03 Nos including neutral bus bar 400 Amp, 01 No - 01 Set (c) Indicating light LED type (RYB) set of three - 01 No (d) AUTOMATIC PHASE SEQUENCE CORRECTOR for Submersible pump capacity upto 35 HP to 45HP, Type :- RPC-50 Automatically Correct Input Supply Reverse Phase and for Protections against Single Phasing Voltage Unbalancing, Low Voltage High Voltage with time delay.

Supplying & Fixing GI electrode chemical earthing of high conductive, corrosion resistant, CPRI tested maintenance free chemical earthing pit to achive earth resistance value less than or equal to 3 Ohm & EN voltage < 02 V,pipe in pipe technology based in which primary conductor (Pipe) having 40 MM dia and primary conductor is inserted into secondray conductor having 80 MM dia. The primary conductor is inserted into secondory conductor and space between secondary and primary conductor of earthing electrode should be crystalline compound. The length of this electrodes is min 3000 MM (3 meters) and earth pit's bore hole should be of dia 200 to 250 mm and min depth 3.50 meters. Length of electrode will be increase with connecting of 25 x 4 mm GI strip extra,and total depth should not less than 3.50 meters. Around the earth electrode earth pit borehole should be backfilled with minimum 50 Kg of ground enhencement compound ERIC Contains mixture of Silica sulphate,Alumina, Iron Oxide, titanium Oxide, Calcium Oxide,Sodium Oxide, Zink Oxide etc. ). including RCC earthing pit having 450 x 450 Cl chamber cover all as directed by Engineer-in-Charge.( Note : If less than 3 Ohm result has not acheived at site the contractor is responsible to do grid system to achieve the desired result and no extra payment shall be made to the contractor for making grid system.) Make Remedies / MRS agency.Model G-80

S&F XLPE insulated, armoured heavy duty electric cable with aluminium conductor, 1100 Volt grade, ISI marked as per IS-7098, cross-sectional area 25 sq.mm 3.5 core, laid in trenches / on poles / walls including provision of suitable hardware accessories, connecting up, testing on completion and commissioning, including taking down existing old and unserviceable cable in any position, complete all as specified and directed. NOTE:- Excavation and earthwork, sand cushioning and brick cable protection shall be measured and paid separately under respective items of this Schedule.

Supplying, jointing and testing of Cable jointing kit for 1100V grade cable for straight through cold shrink type joint complete with jointing material and accessories suitable for 3.5 core XLPE armoured aluminium conductor cable of size 185 sq.mm., fixed in repairs, complete all as specified and directed.

Supply & fixing single core 10/16 sq mm multistand and Flexible copper cable for interconnection / internal wiring of panels as per requirement and direction of engineer in charge.

Cleaning of over head tank 60,000 Gallon capacity from the internal wall. The cleaning shall be done in the following manner:- (i) Brooming and steel wire brush and removing completely settled dirt/sand/silt (ii) Flushing the complete tank through wash out pipes, cleaning and preparing all rising, delivery, wash out, over flow pipes and sluice valves of any size ,and painting with one coat synthetic enamel paint with different color code/shades as directed. (iii) Preparing/scrapping and painting RCC OH tank external surface of tank with one coat of apoxy cement base paint including writing down date of cleaning, capacity of tank with syntheic enamel paint with suitable size letter as directed by engineer in charge. (iv) Senitising all the internal surfaces of tank by spreying bleaching powder (grade-I) solution with pressure gun machine in ratio 100 Kg/1000 ltrs before water filling the tank complete for 60,000 Gallon capacity (21 mtr staging) OH tank complete all as specified & directed.

Cleaning of over head tank 50,000 Gallon capacity from the internal wall. The cleaning shall be done in the following manner:- (i) Brooming and steel wire brush and removing completely settled dirt/sand/silt (ii) Flushing the complete tank through wash out pipes, cleaning and preparing all rising, delivery, wash out, over flow pipes and sluice valves of any size ,and painting with one coat synthetic enamel paint with different color code/shades as directed. (iii) Preparing/scrapping and painting RCC OH tank external surface of tank with one coat of apoxy cement base paint including writing down date of cleaning, capacity of tank with syntheic enamel paint with suitable size letter as directed by engineer in charge. (iv) Senitising all the internal surfaces of tank by spreying bleaching powder (grade-I) solution with pressure gun machine in ratio 100 Kg/1000 ltrs before water filling the tank complete for 50,000 Gallon capacity (21 mtr staging) OH tank complete all as specified & directed.

Note for Ser Item No 52 & 53:- (i) Necessary scaffolding/safety equipmnet required for painting of OH tank shall be provided by the contractor and rates deemed including unit quoted rate. (ii) All safety precausion shall be strictly adhered and damages if any shall be born by contractor during execution. Contractor will ensured that laboures appointed for painting of OH tank/ cleaning of sewage sumps will be life ensured. Unit quoted rate shall be deemed including for above aspects and not any claim entertained by the deptt at any stage.

M/S RVR CONSTRUCTION (BID ID -3045445)

ABHISHEK ENTERPRISES (BID ID -3046393)

ARYA ENTERPRISES (BID ID -3059714)

A N BUILDERS (BID ID -3059737)