REPAIRS/ MAINTENANCE OF WATER SUPPLY INSTALLATION ATTENDING BREAKDOWNS OF WATER SUPPLY PIPE LINES AND CONNECTED WORKS INCLUDING REPAIRS TO PUMP/MOTOR SETS AT NAVAL BASE AND ADJACENT AREAS UNDER GE(U-II) VISAKHAPATNAM

Amount

NOTES/INSTRUCTIONS FOR STRICT COMPLIANCE (a) The contractor shall obtain sample approval for all materials for incorporating in the work as per condition 10 of IAFW-2249 and Para-12 of Special Conditions of tender document mentioned here-in-after. (b) The GE may direct the contractor in writing to procure and deposit up to 80% of the material required for the complete scope of work. The decision shall be final and binding on the contractor. (c) The contractor shall deposit the procured material under intimation to GE to the store of concerned subdivision within 30 days from the receipt of written direction. Failure to do so shall result in a penal recovery of Rs 2000/- per week, levied on the dues of contractor, maximum up to 10% of the work done/CA Amount whichever is higher. (d)The contractor shall obtain approval of “Qualified Tradesman” as per condition 26 of IAFW-2249 before commencement of work at site and shall have sufficient manpower such as plumber, welder, helper etc readily available to meet the site requirement during emergency situation as per directions of Engineer-in-Charge/GE.

NOTES(Contd---) (e)The breakdown/Leakeges should be attended well within time mentioned here-in-after from the time of intimation (through Verbal/Site Order/Written) by the Engineer-in-Charge/GE, failing which a penal recovery of Rs 500/- per hour shall be deducted from contractors dues: Size of Pipe Time limit to attend Breakdown & Completion Upto 50mm 6 Hrs 50mm-100mm 8 Hrs More than 100mm 12 Hrs (f) The quoted rates shall be inclusive of cost of necessary Tools, Plants, Safety Equipments, Machinery, Arrangements of Manual Dewatering/Dewatering pumps and Temporary lighting arrangements for work during night time etc as per site requirement. (g) The quoted rates shall be inclusive of cost for necessary scaffolding for working upto 9th floor level of multi-storyed Buildings under AoR of GE (U-II).

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 soft / loose soil complete all as specified and directed.

Returning, filling in including spreading levelling watering and well ramming in layers not exc 25 cm with excavated 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

Labour only for attending break down of CI/DI/MS pipe for the following sizes 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, complete all as specified and directed by Engr-in-Charge,:- Note 1 :- The quoted rate shall deemed to be inclusive of the following:- (i) Arrangement of suitable Pump sets for dewatering at the time of attending break down including JCB's and Cranes as per site requirement . (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 CI/ DI/ MS pipes, specials, fittings shall be measured and paid seperately under relevant items.

300 mm bore pipe

200 mm bore pipe

150 mm bore pipe

100 mm bore pipe

80 mm bore pipe

Supply only DI K9 water supply pipe lines of following sizes with flanged/ spigot and socket ends, complete all as specified and directed:-

300 mm bore

200 mm bore

150 mm bore

100 mm bore

Supply only MS ERW pipe heavy grade pipe of following sizes, complete all as specified and directed:-

300 mm bore

200 mm bore

150 mm bore

100 mm bore

80 mm bore

Material and labour for run lead joints for spigot and socket pipes and fittings of following sizes complete all as specified and directed by Engr-in-Charge:-

80 mm bore.

100 mm bore.

150 mm bore.

200 mm bore.

300 mm bore.

Labour for attending GI pipe line complaints (break downs) in buildings upto G+3 floor in trenches/ floors/ path/walls for pipe of size 20 mm to 50 mm dia including cutting and threading of pipes as per site requirement, complete all as specified and directed by Engr-in-Charge. Note: The Quoted rates shall be deemed to inclusive of all GI fittings like bends, sockets, unions, reducers and elbows etc., as required at site.. GI Pipe shall be measured and paid separately under relevent items.

Labour for attending GI pipe line complaints (break downs) in buildings 4th floor to 14th floor in trenches/ floors/ path/walls for pipe of size 20 mm to 80 mm dia including cutting and threading of pipes as per site requirement, complete all as specified and directed by Engr-in-Charge. Note: The Quoted rates shall be deemed to inclusive of all GI fittings like bends, sockets, unions, reducers and elbows etc., as required at site. GI Pipe shall be measured and paid separately under relevent items.

Supply and fix GI tubing medium grade of following sizes, complete all as specified and directed Note:- The Quoted rates shall be deemed to inclusive of all GI fittings like bends, sockets, unions, reducers and elbows etc., as required at site.

20 mm bore

25 mm bore

40 mm bore

50 mm bore

80 mm bore

100 mm bore

Supply and fix gun metal gate valve with iron wheel head screwed both ends for iron pipe of following size including dismantling the old one, complete all as specified and directed:-

20 mm dia bore

25 mm dia bore

40 mm dia bore

50 mm dia bore

80 mm dia bore

Construction of valves pit chamber having intermal dimention 120 cm x 120cm x 120 cm (internal height) using PCC (1:4:8) 40mm graded stone aggregate for foundation 15 cms. Thick, 23 cm tick wall in CM (1:4), 10mm tick rendering all around the brick work with 1:6 cement mortar, PCC (1:2:4) type B1 coping with 20mm graded aggregate for grouting MS frame including 3mm tick MS top sheet cover with locking arrangement painting of steel surface with two coats of synthetic enamel paint over a coat of red oxide primers including necessary excavation in any type of soil, returning filling in and removal of surpuls soil to a distance not exceeding 50 mtrs all as specified and includung demolition/ dismentling of existing valve chamber, complete all as specified and directed

All as per Srl Item No. 13 above but for dimention of 90cm x 90cm x 90cm complete.

M&L replacement of unserviceable sluice valve of following sizes, spindle, and check nut by un screwing nut and bolts, gasket stuffing box and taking upper portion of sluice valve taking out u/s spindle check nut . Cutting turning, polishing and preparing new SS spindle and check nut from the solid single SS piece of same length , dia of u/s spindle and check nut fixing the new spindle and check nut re assembling sluice valve replacement of u/s gasket nut and bolts and testing, complete all as specified and directed:-

Taking out sluice valve stuffing box and re-packing stuffing box of sluice valve of following sizes including taking apart & assembling & refixing it into its original position & replacement of rubber gasket and nut & bolts complete all as specified and directed :-

80 mm dia

100 mm dia

150 mm dia

200 mm bore

Supply and fix in repair CI sluice valves of following Sizes , PN 1.6, 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:-

300 mm dia

200 mm dia

150 mm dia

100 mm dia

80 mm dia

M&L for jointing flanged pipe and fittings of following sizes including provn of rubber or fibre board gaskets and washers required for jointing including taking out fibre gaskets and nuts & bolts, complete all as specified and directed:-

80 mm Dia

100 mm dia

150mm bore

200mm bore

M&L cutting the road hard standing for laying of pipeline including filling& making good surface with PCC 1:3:6 C-1 Type using 20 mm graded stone aggregate & removing the debris to distance n.exe 50mtr complete all as specified and directed.

M&L for stone masonry for walling of random rubble, uncaused, well bonded, built in cement mortar 1:4 for construction of thrust block for the support of water supply pipe line including demolition of existing masonry work, complete all as specified and directed.

Material and labour for taking down defective foot valves from UG Sump, scraping the corroded footvalves and painting with one coat of red oxide along with black enamel paint, replacing rubber gaskets, bottom rubber with spring complete with replacement of necessary bolts, nuts, washers for following sizes, complete all as specified and directed:-

150 / 200 mm dia

80 / 100 mm dia

Supply and fix in repair CI non return valve of 200mm dia sizes. with by pass arrangement and necessary rubber gasket, nuts, bolts, and washers etc, complete all as specified and directed.

All as per Srl Item No. 22 above but size of 150 mm dia.

All as per Srl Item No. 22 above but size of 100 mm dia.

Supply and replacement of CI foot valve 250 mm bore, complete all as specified and directed by Engr-in-Charge.

All as per Sl. item No. 25 above but 200 mm bore.

All as per Sl. item No. 25 above but 150 mm bore.

All as per Sl. item No. 25 above but 100 mm bore.

Supply and fixing in repair cast iron air release valve with single/ two air outlets, 80/100 mm dia bore with isolating sluice valve and fixing up in water supply mains including necessary addition / alternation to CI/DI/MS pipe 150/200/250/300 mm dia bore with all necesary fittings, complete all as specified and as directed.

Supply and replace Pressure gauge dial of 4" dia, 0-14 kgs/cm2 ratings suitable to the existing water pipe lines including suitable fixing lines with necessary fixing arrangement, complete all as specified and as directed.

Material & Labour for painting to old painted steel/ metal surfaces of Centrifugal/ monoblock Pump sets of following capacity with one coat of synthetic enamel paint including cleaning, scraping foreign material, degreasing surfaces and painting for suction & delivery pipeline upto 05 meter length, complete all as specified and as directed:-

Up to 5 HP

M&L for disconnecting and removing the existing defective Mono block / centrifugal pump/Submercible set motor of any make of following capacity from the installed position by putting dummy plate to suction and delivery removing the burnt out winding and re-winding the same with super enamelled copper wire of same gauge and same No of turns of existing make insulating winding with existing class of insulation varnishing baking up including replacement of base foundation nuts, bolts and re-installation of pump, testing to satisfactory performance, complete all as specified and as directed. Note : Bearings, CI gland plates, Terminal block, shaft shall be measured and paid separately under relavent items of BOQ

Up to 5 HP

Taking down carefully the existing motor for the following capacities of pump sets from foundation bed for servicing by removing the coupling, cleaning the motor & stator body with cleaning agent, varnishing, to improve the insulation values reassembling and re-installing the motor with necessary bolts, nuts and washers and connecting the pump set, complete all as specified and as directed:- Note : Bearings shall be measured and paid separately under relevant item of BOQ

Up to 5 HP

M&L for dismantling centrifugal pump coupled with electric motor 3 phase 415 volt,50 Hz of following capacities from the foundation bed for repairs by removing the coupling and foundation bolts etc. dismantling the complete pump and separate the serviceable and unserviceable parts. Replace the unserviceable parts/spares, reassembling and reinstall the pump with necessary bolts nuts and washers including cleaning and removing the scales and replacement of spare parts like impeller nut, keys, lock washer, gasket and greasing, reassembling coupling in position testing and commissioning in the pump set up to satisfaction level, complete all as specified and as directed:- Note : Supply Only Spare parts shall be measured and paid separately under relevant items of BOQ

Up to 5 HP

Supply and fix in repairs pump set Star coupling made out of mild steel including drilling holes and suitable size of nuts, bolts for the following capacities of motors, complete all as specified and as directed :-

Up to 5 HP

Taking down carefully existing motor and pump set of following sizes from the unserviceable bed and taking up the complete MS bed from the PCC and cleaning and levelling the bed including new PCC work including with fabrication of new MS bed by using new MS work with foundation bolts and nuts suitable for mounting/re-erecting the pump and motor after necessary minor repairs complete with two coats of existing colour painting over a coat of red oxide and testing and commissioning up to satisfaction levels, complete all as specified and as directed:-

Up to 5 HP

M&L for disconnecting / removing the old unserviceable starters from the panel and supply and fix DOL/ starter Delta Starter for AC, 415V 50 Hz 3 phase suitable for following capacity of electric motor, complete all as specified and as directed:-

Up to 5 HP

Supply and fixing in repair the MCCB of 630 Amps, 4 pole, breaking capacity 36 KA with continuously adjustable electronic release including taking down of the old unserviceable MCCB, complete all as specified and directed.

All as per Item No. 38 of the above but 400 Amps, 4 pole, 36 KA.

All as per Item No. 38 of the above but 200 Amps, 4 pole, 36 KA.

All as per Item No. 38 of the above but 160 Amps, 4 pole, 36 KA.

All as per Item No. 38 of the above but 125 Amps, 4 pole, 16 KA.

All as per Item No. 38 of the above but 63 to 100 Amps, 4 pole, 16 KA.

Supply, fixing and testing of soft starter 415 Volts suitable for Pump of capacity 30 to 50 HP in existing LT panel with necessary fixing arrangements including taking down existing unserviceable complete all as specified and as directed by Engr-in-Charge

All as per Item No. 44 of the above but of capacity 60 HP to 120 HP.

All as per Item No. 44 of the above but of capacity 150 HP to 170 HP.

Supply only ball bearings suitable for centrifugal and mono block pumps motors as existing at site, complete all as specified and as directed:-

Up to 5 HP

Supply only CI gland plate high tension studs for Centrifugal / mono block pumps for the following capacity, complete all as specified and as directed :-

Up to 5 HP

Supply only CI impeller suitable for centrifugal / mono block pumps for the following capacities, complete all as specified and as directed:-

Up to 5 HP

Supply and fix 3 pole power contactor of existing model for AC 415 Volts, 50 Hz, 3 Phase suitable for electric motor of following capacity including removing existing unserviceable one from star delta starter, complete all as specified and directed:-

100 to 170 HP capacity.

50 to 75 HP capacity.

35 to 45 HP capacity.

20 to 30 HP capacity.

5 to 15 HP capacity.

Supply and replace burnt bimetal over load relay suitable for the following capacity of motor starters as existing at site, complete all as specified and as directed:-

100 to 170 HP capacity (relay range 180-300 Amps)

40 to 75 HP capacity (relay range 45-75 Amps)

10 to 30 HP capacity (relay range 20-33 Amps)

Supply and replace Pump Shafts as per existing Model with necessary metal filling and machine suitable for the following capacity of pump sets, complete all as specified and as directed:-

Upto to 5.0 HP capacity

7.5 to 10 HP capacity

12.5 to 20 HP capacity

25 to 35 HP capacity

40 to 60 HP capacity

75 to 110 HP capacity

120 to 170 HP capacity

Supply and replace Casing ring for Centrifugal / mono block pumps for the following capacity, complete all as specified and as directed:-

5 to 15 HP capacity

25 to 35 HP capacity

40 to 60 HP capacity

75 to 100 HP capacity

110 to 170 HP capacity

Supply and replace unserviceable brass air cock of suitable size to pump sets complete all as specified and directed

Servicing of soft starter 415 Volts suitable off size of different capacity installed at various location, dismantling the existing soft starter, servicing the same, replacing the defective spare parts and refixing it at the original place, complete all as specified and as directed.

Supply and replace PVC cooling fan suitable for the existing motors of various capacity including testing and commissioning, complete all as specified and as directed.

Supply & fix in repairs water level indicator 36" dia 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 with RCC slab and making good the slab ,painting the exposed surface with two coats of synthetic enamel over a coat of red oxide primer on UG sump/ OH Tank complete all as specified and directed by Enginner in charge.

Supply only chlorine gas in 100 Kgs cylinders to gravity feed gaseous chloronome plant, complete all as specified and as directed. Note :- Testing the cylinder and repairs to outlet valve of cylinders will be the responsibility of the contractors and cost for applying mineral jelly to parts etc, deemed to be included in the cost quoted by the contractor.

Supply only stable bleaching powder (SBP) (Calcium hypochlorite) Grade 1 , Availability Chlorine 34% Min, Stability 1/15 Max , Moisture 0.3% Max , Confirming to IS -1065, in 25 kg bag, complete all as specified and as directed.

M&L Synthetic mat (rubber matting) suitable for 11000 Volts electrical grade 2mx1mx19mm thick chequered top, ISI marked to be laid in front of LT panel board complete all as specified and directed.

Supply and replace gland packing rope of 8/10/12/12.5/14/16mm sizes to pump sets of different sizes and capacities, complete all as specified and directed

Supply and replace LED tube light fitting alongwith with fixture 22 Watts complete all as specified and directed.

Supply and fixing LED flood light 120 watt 230 V AC outdoor type with thermal management in multiple optics and equipped with IP66 protection, with impact and corrosion resistant complete with driver and lamp, complete all as specified and as directed.

M& L for servicing of LT panels of any size by cleaning the panel, bus bar chamber with CTC solution, and welding the door using arc welding and fixing hinges, necessary nut and bolts, washers and made it completely functional for open/ close including painting of panel by spraying with two coats of epoxy based paint over a coat of red oxide primer, after cleaning of rusty panel surface both inside/ outside by emery paper and necessary preparation of smooth surface suitable for painting and including checking of incoming and outgoing connections, Re-fixing of existing ACBs & MCCBs, testing & commissioning, connected PCC & frame works, rewiring of control and power wiring with suitable size of FRLS copper cable but not less than 1.5 Sqmm, replacing of various unserviceable ON/ OFF switches, lugs etc making the panel fully functional, complete all as specified and as directed.

M&L for earthing complete incl necessary excavation and earth work in any type of soil with galvanized steel earth plate electrode size 60 cm x 60 cm x 6 mm thick buried directly in ground (earth pit not less than 2.25 mtrs below ground level) with top edge of the earth plate not less than 1.5 mtr below normal ground level connected to galvanised earth strip of size 32 x 6mm by means of bolts nuts check nuts and washers of galvanised iron or steel all as shown in electrical plate No.5 of MES SSR Part-1 connected to main switch board or main control board all as specified and testing on completion including provision of earth wire protected by galvanised iron 15 mm dia. light grade pipe and watering pipe shall be 20 mm ore medium grade PCC pipt with pre cast RCC cover, charcoal/salt funnel etc. complete all as directed. NOTE : (i) The conctrete pit shall be PCC 1:3:6 tye C -1 40 mm thick pre cast cover slab of RCC (1:2:4) type B-1 using 20 mm graded stone aggregate reinforced with 8 mm TMT bars @10 cm C/C on both sides with suitable cast iron handle shall be provided in liew of cast iron cover shown in electrical plate No.5 of MES SSR Part-1 (ii) Item includes the cost of 7.5 m GI pipe for protectio of earth wire. (iii) PCC pits shall be provided atleast 500 mm away from the pit and not on the earth pipt itself and the extra cost of additional length of watering pipe, bends , elbows etc. shall be deemed to be included in the quioted rate. (iv) Item includes the cost of 7.5 mtr length earth lead wire.

S & F in repair of Rotational moulded polyethylene water storage tanks (cylindrical vertical with closed top) of capacity 500 ltrs hoisted and fixed in position incl dismantling of old water tanks complete all as specified and directed.

All as per Item No. 66 of the above but of capacity 1000 ltrs.

S & F in repair Ball brass valves, high pressure, with polythene float and flynut of size 25 mm dia complete of, screwed for iron pipe or brass ferrule and fixed, complete all as specified and as directed.

All as per Item No. 68 of the above but of size 32 mm dia

All as per Item No. 68 of the above but of size 40 mm dia

All as per Item No. 68 of the above but of size 50 mm dia

Supply only DI specials such as bends (any type, radius and angle) tapers any type, Mechanical joint/ expansiton joint, straight, bend, increasing, decreasing or double socket etc.) tee pieces single branch, "Y" junction, double branch, cross (all sockets or sockets and spigot or flanged) collars, caps and plugs upto 400 mm bore, complete all as specified and as directed.

Supply only CHLORINE 65%-70%(Calcium based granular disinfectant for water treatment more stable for water treatment than chlorine gas and stronger than bleaching powder and sodium hypochlorite) in 45 Kg drums, complete all as specified and as directed.

Dismantling the old unservicable sign board and M&L for Fully retro reflective sign board made out of 18 gauge CRCA sheet any size with MS square/round tube 1.6 mm thick having entire surface of fully bounded with retro reflective sheeting of HTP grade Tape having pressure sensitive adhesive boards and messages as indicated cut out back ground in blue /green and matter in white color tape fix on wall/ groud including necessary fixing arrangment, complete all as specified and as directed by Engr-in-charge.

Supply and fix in repair Chlorination Plant gravity feed type of capacity 0-10 Kg/ hrs consisting of panel board with copper tube, primary filter, pressure releasing valve, connection pipe including all necessary connected items, complete all as specified and directed.

Material and labour for point wiring complete with 1.5 sqmm PVC insulated unsheathed 1100 volts grade cable stranded copper conductor single core in conduit pipe of 20/25 mm size complete with PVC rectangular block with 3mm thick for mounting switch/ sockets regulators etc.and with 1.5 sqmm PVC insulated copper conductor earth wire and connected to earth dolly for one light/ fan point controlled by one switch including taking down of old wiring, complete all as specified and as directed by Engineer-in-charge.

All as per serial item No. 76 above but for 3 pin socket outlet point controlled by one, one way switch on the same board, complete all as specified and as directed.

All as per serial item No. 76 above but for one 3 pin switch socket combination of 5 Amp capacity on independent board, complete all as specified and as directed.

All as per serial item No. 76 above but for 3 pin switch socket combination of 15 Amp on independent board with cable 4 sqmm unsheathed stranded 1100 Volts grade complete with 4.0 sqmm PVC insulated earth wire and connecting to earth dolly complete all as specified and as directed by Engineer-in-charge.

Supply and fix switch piano type 5 Amp single pole one way complete all as specified and as directed by Engineer-in-charge.

Supply and fix switch socket combination 2 in 1 , 3 pin 5 Amp flush type complete all as specified and as directed by Engineer-in-charge.

Supply and fixing stepped type, electronic ceiling fan regulator complete all as specified and as directed by Engineer-in-charge.

Supply and fix ceiling rose surface backelite three terminal complete all as specified and as directed by Engineer-in-charge.

Supply and fix MCB SPN 240 Volts 32 Amp breaking capacity 10 KA rating complete all as specified and as directed by Engineer-in-charge.

Supply and fix MCB SP 240 Volts 5 to 32 Amps breaking capacity 10 KA ratingcomplete all as specified and as directed by Engineer-in-charge.

Supply and fix sheet metal enclosure powder painted for MCB SPN 12 way DB double door with din rail and bus bar including making good to the disturbed surface matching with the existing complete all as specified and as directed by Engineer-in-charge.

All as per Serial item No. 86 above but for 08 Way DB.

Supply and fixing ceiling fans complete with blades, down rods, electronic regulator and accessories, 230 V, 1400 mm sweep. Min air delivery 210 CFM with service value 6.00 BEE. Five star rated with brushless direct current motor (BLDC) complete all as specified and directed by Engineer-in-charge.

Supply and fix in repair 3 core 1.5sqmm PVC copper cable multi stranded drawn through inside pole from the bottom connector to fitting including providing necessary lugs complete incl taking down the existing wire complete all as specified and directed.

M & L for cleaning of jungle/ vegetation by using excavator or manually for removing bushes / thick vegetation around the pump house, installations, levelling the area without damaging the pipelines / Cable network / Pedestals of pipelines / buildings including disposal of the vegetation / debris material up to a distance not exceeding 100 m of below mentioned area complete all as specified and directed by Engineer-in-Charge.

Booster pump house area Nausena Bagh approx 1500 sqm

Over Head Tank supply area Nausena Bagh approx 900 sqm

KP Pump house area Nausena Bagh approx 600 sqm

Fresh water pump house area Naval Park approx 500 sqm

SCHEDULE OF CREDIT Note :- Amount of Rs. 2,16,280.00 indicated in Tender Documents as Schedule of Credit shall be deducted from the total quoted amount of BOQ.

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