REPAIR MAINT OF FRESH WATER TREAT EQUIP CLEANING OF OH TANKS UNDER GROUND SUMPS OF DIFF CAPACITIES AND ATTENDING EMERGENCY BREAKDOWN TO WS DIST NETWORK AND OTHER ALLIED WORK AT NAD INS DEGA DEGA VIHAR ABE PARK AND AREAS UNDER GE U II VISAKHAPATNAM

Amount

Material and labour for maintaining of potable / fresh water to achieve chlorination level by keeping concentrated efforts as per standard water quality specifications of maintaining PPM, by checking time to time with standard testing equipments / lab test items if any daily before pumping of water to users from sump / OHTs to building OH tanks through raising mains etc. by adding chlorination granuals as required for disinfection of water as per standard at site as under :- (a) ppm at sump level to pumping water to building OH tank - 2 ppm, (b) Ensuring water is to be free from E.coli and thermotolerant coliform bacteria and it shall not be detectable in any 100ml of sample water.

Notes :- The item rate is inclusive of following :- (a) Contractor or his rep has to attend daily at all pump houses once in a day to check all the water parameters and sign in the register being maintained with pump house staff. (b) Register should be maintained and daily record of the same should be endorsed from users / MES rep at pump house, concerned Engineer-in-Charge as well as concerned medical team of respective unit daily. (c) Water testing shall be carried out as per NABL norms from NABL / NABL Accredited Laboratories and the same has be submitted to subdivn office once in a month or whenever required or directed by the users and department depend upon the situation / quality of water.

Notes(Contd--):- (d) Required quantity of chlorine granuals / bleaching powder required to be used at pump houses regularly and superchlorination to be done and the same shall be measured and paid seperately under relevant items of schedule. The amount / quantity of mixing chemicals, gas etc., would be vary as per the quality of receiving water from time to time to bring the required ppm once checked before pumping the water from sump to OHT of user building. The necessary mixing up of granuals / bleaching powder for maintaining standard water and for superchlorination the existing staff / manpower at pump houses shall be utilized if necessary. The above specified job shall be carried out at each pump house as under :- (a) INS Dega P-5 pump house (b) Dega Vihar pump house (c) NAD Colony pump house (d) DSC pump house (e) Viswakarma pump house (f) TRS-II pump house (g) ABE Park pump house (h) BV Yard pump house

M & L for seven stage cleaning and sterilization of inside the RCC/Steel, underground / semi-underground,/ over head / Sedimentation / clear water sumps of following capacities gallons through bacteriological treatment by using TCCA 90 % Chlorine Chemical and ULTRA VOILET RAY complete all as specified and as directed. Make : Rays cleantech / Inus watertech / Satya enterprises equivalent steps for seven stages are as under :- First Stage is to drain out the water by using exit valve or high capacity dewatering system. Second Stage is cleaning all the algae formation inside the tank by using TCCA 90 % Chlorine Chemical a laboratory tested branded chemical of the company and scrubbing the walls of the tanks. Third Stage is fresh water cleaning by high speed jet pump. Fourth Stage and first bacteria screening is decertification by using TCCA 90 % Chlorine Chemical a Govt laboratary certified branded halogen compound.

Fifth Stage is cleaning the floor of water tank by industrial vaccum cleaner. Sixth Stage is the second bacteria screening and sterilizing method by using ultra voilet ray within the tank and kills all suspended bacteria. Seventh stage of cleaning and third bacteria screening is to sterlize the floor of the water tank by using laboratory certified, branded strong oxidizing agent TCCA 90 % Chlorine Chemical / Inoxi-60 / NB-69. Note : Work will be carried through specialized agency from one of the above given makes. (a) Company will submit Govt laboratory test certificate of TCCA 90 % Chlorine Chemical, fix the sticker mentioning the date of cleaning & name of site and also provide, certificate confirming the completion of sterlization of watr tanks mentioning the name of station and date of cleaning. All the cleaning & sterlization staffs should be under accidental insurance coverage.

Semi UG Sump Capacity 10000 Gln

Semi UG Sump Capacity 20000 Gln

Semi UG Sump Capacity 30000 Gln

Semi UG Sump Capacity 50000 Gln

Semi UG Sump Capacity 60000 Gln

Semi UG Sump Capacity 75000 Gln

OHT of capacity 20000 Gln

OHT of capacity 30000 Gln

OHT of capacity 50000 Gln

OHT of capacity 60000 Gln

OHT of capacity 100000 Gln

Labour only for attending break down of 200/150 mm dia MS / CI / DI pipe line bursting / cracks and including cleaning / removal of broken pipe pieces of various lengths through gas cutting / manual cutting as per site requirement and including inserting necessary specials such as pipes, CI / DI Collar / mechanical Joints etc as per site requirement, testing for leakages of lead joints, testing and necessary dewatering by using necessary dewatering pumps, JCB's, Cranes, complete all as specified and directed. Note 1 :- The quoted rate is deemed to be include the following:- (i) Arrangement of suitable Pump sets for dewatering at the time of attending break down. (ii) Necessary labour/trade men for attending break down. (iii) Labour element required for fixing CI/DI/MS pipes, specials, fittings etc. Note 2 :- Earth work, Lead joints, Supply only pipes, specials, fittings will be measured and paid seperately under relevant items.

All as per Srl item No. 3 above but of 100 / 80 mm dia.

Supply only spigot and socket end Ductile Iron pipe class K 9 ISI marked as per IS 8329-2000with centrifugally lined with cement mortar with flexible rubber gaskets push on type joints of size 100 mm dia, complete all as specified and directed

All as per above Srl item No 5 but of size 150 mm dia.

All as per above Srl item No 5 but of size 200 mm dia.

Material and labour for run lead joint for spigot and socket CI pipes and fittings of size 80 mm, complete all as specified and directed.

All as per above Srl item No 08 but of size 100 mm bore.

All as per above Srl item No 08 but of size 150 mm bore.

All as per above Srl item No 08 but of size 200 mm bore.

Supply only DI Specials (any type radius and angle) tapers any type straight increasing decreasing or double socket and ''Y junction double branch ,Collar, cross (all sockets or socket and spigot) caps and plugs up to 300 mm bore, complete all as specified and directed..

M & L for re-conditioning of battery 12/24 Volts, 90/180 AH complete including replacement of lead plate terminal and joints and charging of battery and Improve specific gravity up to 1280 and 2 volts of each cell including transportation of battery from site to civil work shop and back complete all as specified and directed.

Supply, install, testing and commissioning of 24V, 180 AH sealed maintenance free generator starting system with SMPS charger, factory charged including terminal clamps, copper lead of suitable size / length, with battery stand including taking down unserviceable one from the DG Set complete all as specified and directed. Make:-Model AX1013235 of Cummins Pulse Ultra Plus or quivalent in Exide / Amron.

Supply, install, testing and commissioning of 12V, 150 AH sealed maintenance free generator starting system with SMPS charger, factory charged including terminal clamps, copper lead of suitable size / length, with battery stand including taking down unserviceable one from the DG Set complete all as specified and directed. Make:-Model AX1013234 of Cummins Pulse Ultra Plus or quivalent in Exide / Amron.

M & L for replacement of battery lead sets of two (Red & Black) suitable for 180 to100 AH capacity up to 1.5 mtr long including GM terminals one end copper lug and other fixtures connecting both end with gun metal terminals as per existing, complete all as specified and directed.

M & L earthing complete with galvanised steel earth plate electrode 600 x 600 x 6 mm thick, buried directly in ground (earth pit not less than 2.25 m deep below ground level) with top edge of the plate not less than 1.5 m below normal ground level, connected to galvanised earth lead wire 4 mm dia by means of bolts, nuts, check nuts and washers of galvanised iron or steel all as shown in electrical plate No. 3 connected to earthing test point and including taking down existing earthing complete all as specified or indicated including testing on completion. NOTE: The quoted rate shall deemed to be included for earth work in any type of soil, PCC 1:3:6 type C1 chamber, RCC 1:2:4, type B1 cover 50 mm thick with 8 mm dia TMT bar @ 140 mm C/C, GI watering pipe 20 mm bore medium grade, funnel, wire mesh and earthing lead upto 7.5 m.

M & for Disconnecting the delivery pipe line and electric connections of submersible pump set of capacity of 3.0 to 7.5 HP and lifting and removing it from its position along with pipes and fittings carefully with the help of required T&P and transporting the same to the work shop for repair / servicing and lowering and refixing the same in its original position including connecting up of water and electric connections including testing and commissioning complete all as specified and directed.

M & L for Flushing of existing borewells of size 150 mm dia 90 Mtrs depth with drilling compressor including surging and flushing the bore at a pressure of 7 Kg / Sq cm complete with compressed air and flushing the sand, mud etc from the bore well till discharge of the fresh water including testing of water samples for chemical and bacteriological tests and yield testing for 8 hours, complete all as specified and directed .

M&L for rewinding the submersible motor of 3 to 7.5 HP capacity, opening, removing the burnt windings, cleaning with cleaning agent rewinding the same with appropriate gauge of super enamelled copper wire of same gauge and same No of turns of existing make insulating winding with existing class of insulation varnishing baking, testing the pump to satisfactory performance, complete all as specified and directed.

M & L for opening the submersible pump set of 3 to 7.5 HP for inspection, repairs and re-assembling the pump and motor as per the original assembly after repairs / replacing the worn out unserviceable parts with new parts as ordered, including cleaning replacing the minor items like packing bolts, nuts washers and MS clamps etc and applying one coat of approved hammertene spray paint on exposed steel surface, making the pump and motor fully serviceable including lathework etc., and testing the same for satisfactory operation on its full load all as specified and directed by Engineer - in - Charge. Note: The quoted rate deemed to inclusive of replacement of Unserviceable necessary spare parts like thrust bearing set, Impellers, casing ring, Shaft sleeve, stage casing, neck ring stage mcasing, sand guard, middle sleeve and diffuser etc.

Supply & Fix in repair submersible pump starter suitable for AC 415 Volts, 50 Hz, 3 Phase submersible pump set of 3 to 7.5 HP capacity having single phase protection, over / under current protection, digital display, Auto ON / OFF timer control, including mounting on existing arrangements and removing the old unserviceable starter from the panel complete all as specified and directed.

M & L for repair & overhauling of squirrel cage induction electrical motor, 3 phase, 415 volts incl disconnecting all electrical connections, decoupling from pump, taking down the motor from foundation, cleaning and varnishing the stator & rotor winding, heating and drying, replacement of burnt terminals, greasing to bearings, re-assembling the motor and refixing of motor on the foundation by using new nut, bolts and washers, coupling with pump, checking alignment connecting all electrical connections, checking the vibrations, RPM, DOR, painting with one coat of synthetic enamel paint after preparing the surfaces and testing on full load all as specified and directed for the following capacities of motors:-

M & L for repair & overhauling of centrifugal pump set of any make, dismantling and taking down pump after disconnecting water supply connections, decoupling from motor removing out impeller, cleaning, descaling, greasing to bearings incl replacement of unserviceable parts such as bearings DE & NDE, pump shaft sleeves, coupling pully, pump shaft etc. Assembly in the pump with new packing materials, nuts, bolts & washers, gland bolt & packing, coupling bushes, coupling bolts and coupling with motor checking for vibration & alignment connecting delivery and suction pipe, painting with one coat of synthetic enamel paints testing the pump set complete all as specified and directed for the pump set of following capacities:-

M & L for repair & overhauling of monoblock pump set, taking out impeller, cleaning, descaling & greasing to bearings incl replacement of unserviceable parts such as bearings DE & NDE, gland flange, etc. Cleaning and varnishing the stator and rotar, winding, heating and drying replacement of burnt terminals of motor assembling in the pump with new packing materials nuts, bolts, washers checking alignment connecting all electrical / water connections, checking the vibrations & alignment, RPM, DOR, painting with one coat of synthetic enamel paint after preparing the surfaces, testing the pump set on full load all as directed by Engineer-in-Charge for the pumpsets of following capacities:-

Monoblock pump set 15 HP

Monoblock pump set 12.5 HP

Monoblock pump set 10 HP

Monoblock pump set 05 HP

Monoblock pump set 03 HP

Note for Sl item Nos 23 to 25 :- (i) cost of small U/S parts such as bearings DE & NDE, Pump shaft sleeves & Shaft, new packing materials, nuts, bolts & washers, gland bolt & packing, coupling bushes, coupling bolts are is deemed to be included in quoted rates

S & F teflon gland packing rope for industrial use of size 5mm to 50mm thick superior quality to centrifugal / monoblock pumps of following capacities all as specified and directed :-

Supply and replace pump set coupling pully with rubber band, nuts & bolts suitable for pumpset of following capacity, complete all as specified and directed

75 HP to 90 HP

40 HP to 60 HP

20 HP to 30 HP

Servicing / maintenance of dial type water level indicator by replacing worn-out central movement plate, counter weight, centre diving wheels etc., and applying two coats of synthetic enamel paint over a coat of primer complete all as specified and directed.

M & L for arresting water leakage from sluice valve of 80 mm bore, by refacing, regrinding of sluice Valve, Repacking stuffing box of sluice valve spindle including taking apart and reassembling the same including replacing old check nuts with new one made out of MS / CI material, with and including replacing perished gland packing, rubber gasket, bolts and nuts complete all as specified and directed .

All as per Sl. Item No.29 above but 100 mm bore

All as per Sl. Item No.29 above but 150 mm bore

All as per Sl. Item No.29 above but 200 mm bore

Supply and replace CI sluice valves, 150 mm dia , PN 1.0, conforming to IS -14846 Flanged end complete with iron wheel head and stainless steel spindle including flanged joints, replacement of perished nuts, bolts washers and rubber gasket etc. complete all as specified and directed.

All as per item No.33 above but 100 mm dia

All as per item No.33 above but 80 mm dia

S& F in replacement GI tubing , medium grade, with all fittings, complete fixed to walls and ceiling or laid in trenches / floors for 20 mm dia, complete all as specified and directed.

S& F in replacement GI tubing , medium grade, with all fittings, complete fixed to walls and ceiling or laid in trenches / floors for 25 mm dia, complete all as specified and directed.

S& F in replacement GI tubing , medium grade, with all fittings, complete fixed to walls and ceiling or laid in trenches / floors for 40 mm dia, complete all as specified and directed.

S& F in replacement GI tubing , medium grade, with all fittings, complete fixed to walls and ceiling or laid in trenches / floors for 50 mm dia, complete all as specified and directed.

S& F in replacement GI tubing , medium grade, with all fittings, complete fixed to walls and ceiling or laid in trenches / floors for 80 mm dia, complete all as specified and directed.

Supply and fixing in replacement gun metal gate valve, with iron wheel head,screwed both ends, class II, and fixed complete including cutting of the pipeline and taking down old unsrviceable valves wherever required for 20 mm dia, complete all as specified and directed.

Supply and fixing in replacement gun metal gate valve, with iron wheel head,screwed both ends, class II, and fixed complete including cutting of the pipeline and taking down old unsrviceable valves wherever required for 25 mm dia, complete all as specified and directed.

Supply and fixing in replacement gun metal gate valve, with iron wheel head,screwed both ends, class II, and fixed complete including cutting of the pipeline and taking down old unsrviceable valves wherever required for 40 mm dia, complete all as specified and directed.

Supply and fixing in replacement gun metal gate valve, with iron wheel head,screwed both ends, class II, and fixed complete including cutting of the pipeline and taking down old unsrviceable valves wherever required for 50 mm dia, complete all as specified and directed.

Supply and fixing in replacement gun metal gate valve, with iron wheel head,screwed both ends, class II, and fixed complete including cutting of the pipeline and taking down old unsrviceable valves wherever required for 80 mm dia, complete all as specified and directed.

Material and labour for cablofil hot dip galvanized cable trays, top cover, wall supports and jointing / fixing accessories for fixing over walls complete of size 54mm (Height) x 100mm (Width), complete all as specified and directed.

Supply, laying PVC insulated Copper Conductor (sheathed), flexible cable, 1100 volts grade of size 3 core 4 Sq mm including taking out old un-serviceable cable complete all as specified and directed.

Supply, laying PVC insulated Copper Conductor (sheathed), flexible cable, 1100 volts grade of size 3 core 10 Sq mm including taking out old un-serviceable cable complete all as specified and directed.

Supply, laying PVC insulated Copper Conductor (sheathed), flexible cable, 1100 volts grade of size 3 core 16 Sq mm including taking out old un-serviceable cable complete all as specified and directed.

Supply & replacement of water level indicator, 36" dia for OHT/UG sump as per IS and including numbering with radium stickering, heavy duty float, counter weight, heavy duty driving gear nylon wire fitted in all in GI housing, cutting the RCC slab and making good the slab, painting the exposed surface with two coats of synthetic enamel over a coat of red oxide primer, complete all as specified and directed.

M & L for painting of monoblock pump set of 3 HP to 10 HP with a coat of approved colour paint including inlet & outlet pipe lines over a coat of red oxide primer on rusted parts complete including preparation of old painted surface and writing MES number, complete all as specified and directed.

M & L for painting of Centrifugal pump set of 12.5 HP to 25 HP with a coat of approved colour paint including inlet & outlet pipe lines over a coat of red oxide primer on rusted parts complete including preparation of old painted surface and writing MES number, complete all as specified and directed.

Supply and replace power contactor AC 3 Phase, 415 Volts, 50 Hz, 110 Amps, 2NO + 2NC robust and suitable for hostile application and size Fr 3 & confirm to IS/IEC 60947-4-1 & IEC 60947-4-1, complete all as specified and directed.

Supply and replace power contactor AC 3 Phase, 415 Volts, 50 Hz, 70 Amps, 2NO + 2NC robust and suitable for hostile application and size Fr 3 & confirm to IS/IEC 60947-4-1 & IEC 60947-4-1 complete all as specified and directed.

M&L for replacement of Electronic Timers Type ST 100 Time delay of 3 - 30 Sec, operating Voltage 160 V to 500 V suitable for base mounting and DIN mountingin the existing starter panel, complete all as specified and directed.

M&L for replacement of unserviceable water pressure guage with new water presure guage round dial type suitable for 15/25/30/40/100 HP pump set including tube and stop cock, complete all as specified and directed

M & L for cleaning of vegetation by using excavator for removing bushes / thick vegetation around the pump house, installations, levelling the area without damaging the pipelines / Cable network / Padestals of pipelines / buildings including disposal of the vegitation / debris material up to a distance not exceeding 50 m complete all as specified and directed.

Material and labour for PCC (1:3:6) type C1 using 20 mm graded stone aggregate as a surface hard standing/ base foundation for the pipelines/Chlorine plant including necessary form work complete all as specified and directed. Note:- The quoted rates shall be inclusive of levelling surface as directed.

M & L for Brickwork with Fly ash bricks, straight or curved on plan exc 6m mean radius built in Cement mortar 1:4, including taking down old / broken padestals complete all as specified and directed.

M & L for 15 mm thick rendering in cement mortar 1:4 on fair faces of concrete or brick surface mixed with water proofing compound as per manufacturer's instruction finished even and fair without using extra cement complete all as specified and directed.

M & L for preparation of newly plastered surfaces of walls and applying three coats of whitewash complete all as specified and directed.

Excavation in trenches n.exc 1.5 mtr wide and n.exc 1.5 mtr depth for laying of cables / pipes etc and getting out in hard/dense soil, complete all as specified and directed.

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

Removing excavated material to a distance n.exc 50 mtr and depositing where directed at a level n.exc 1.5 mtr above the starting point, complete all as specified and directed.

Supply and fixing in repair 415V 10KA 'C' curve miniature circuit breaker (MCB) of 3 poles and 40 to 100 Amps current carrying capacity in complete with testing and commissioning all as specified and directed

Supply and fixing in repairs LED Solar street light fitting 20 Watt including galvanized steel pole in built, lithium ion battery, solar panel, charge controller with dusk down sensor, complete all as specified and directed. Note :-Excavation & earth work shall be measured and paid separately. Make:- Havells Cat No. SOLAR AIO 20W

Supply and fixing in repairs LED light fitting mirror type with high out put diffuser 2 feet, 10 watt 220 V AC decorative type with driver holder and LED lamp including connecting up with three core flexible copper conductor cable of suitable size, complete all as specified and directed.

Supply only calcium based,high strength chlorination chemical for disinfect in granual form for water treatment in factory sealed non returnable HDPE containers (40 to 50 kg each) having chlorine concentration level of 70% complete all as specified and as directed.

Supply and lay 3 layer (inner antimicrobial, outer UV stabilized) ISI marked in replacement , IS-15801, PP-R pipes SDR 7.4 (PN-16) and PP-R plain fittings in trenches / walls / cellings or laying in floors complete all of size outer dia 75 mm, including fittings, complete all as specified and directed.

SCHEDULE OF CREDIT Note :- Amount of Rs. 1,04,717.50 indicated in Tender Documents as Schedule of Credit shall be deducted from the total quoted amount of BOQ.

RATNA ENTERPRISES (BID ID -3100974)

GVR CONSTRUCTIONS (BID ID -3103955)

CHAITANYA CONSTRUCTIONS (BID ID -3102030)

M/S CHANDRA ENGINEERS AND CONTRACTORS (BID ID -3104695)

M/s.DSRK CONSTRUCTIONS (BID ID -3104976)

SRI MAHALAKSHMI CONSTRUCTIONS (BID ID -3104389)

AYYAPPA CONSTRUCTIONS (BID ID -3103589)