REPAIR MAINTENANCE OF EXTERNAL WATER SUPPLY COMPONENTS ON THE LHS LION AND RHS LION GATE INCLUDING PUMP MOTOR SLUICE VALUE PIPE ETC AND OTHER WORKS LISTED IN AMP AND MANNING AND OPERATION INCLUDING COMPREHENSIVE MAINTENANCE OF SWIMMING POOL INSTALLAT

Amount

Construction of brick masonry valve chamber in repair of size 1.2 x 1.2 x 1.2 M (internal dimension) (above GL 0.30 mtr) suitable for fixing of sluice valves, 15cm thick foundation using PCC 1:4:8 type D-2 over 15cm thick hardcore of broken stone, 23cm thick brick walls built in cement and sand mortar 1:4, 15mm thick internal and external plaster including top of floor in cement and sand mortar 1:3, finished even and smooth, without using extra cement, 5 mm thick plate cover on 50mm x 50mm x 6mm MS angle frame embeded in PCC 1:2:4 type B-1coping, having rectangular, hinged, opening of size 150 x 100mm with locking arrangements ,hold fasts, etc, applying one coat of red oxide primer and two coats of synthetic enamel paint to all steel surfaces and earth work in any type of soil including disposal of debris outside MD land complete all as specified and directed by Engr-in-Charge.

Disconnecting horizontal / vertical split casing pump / Submersible pump of any make/model, dismantling and taking out pump shaft assembly complete for replacement of pump bearing DE or NDE replacement of pump gasket including greasing the pumpset connecting to coupling testing & commissioning complete all as specified and directed by Engr-in-Charge for following sizes / capacities of pump :-

Pump coupled with 200/250/280/300 HP motor suitable of bearing complete all as specified and directed by Engr-in-Charge. Make : SKF bearing No. 3310/3310ATN/ 6310/ 6310-2Z/3309/ 6309 or equivalent'/ NBC/THORDON/ RHP/NBC/ THORDON/RHP

Pump coupled with 120/100/150 HP motor suitable of bearing Make : SKF bearing No.3309/ 6309/ or equivalent"/ NBC/THORDON/ RHP/NBC/THORDON/ RHP

Pump coupled with 60/75/50/40 HP motor bearing make SKF bearing No. 3309/ 6309/ 3307/ 6307 or equivalent"/ NBC/THORDON/RHP

Pump coupled with 10/12.5/ 15/ 20/ 25/ 30 HP" motor bearing make : SKF bearing No. 3306/6306/ 3307/ 6307/ or equivalent" /NBC/THORDON/RHP

Pump coupled with 7.5/5 HP motor bearing . Make : SKF bearing No. 3306/ 6306/ 3305/6305 or equivalent" /NBC/THORDON/RHP

Pump coupled with any HP motor bearing . Make : SKF bearing No. 3310 ATN9/21315EK EXPLORER or equivalent" /NBC/THORDON/RHP

Supply & fixing in repair DE/NDE bearing including necessary greasing reassemble the motor connect, testing and commissioning complete for following capacity motors :-

Motor capacity 200/250/280/300 HP bearing make SKF bearing No. 6319/ 6316/ or equivalent" /NBC/THORDON/RHP

Motor capacity 120/100/150 HP suitable bearing Make : SKF bearing No. 6317/ 6314/ 6313 or equivalent" /NBC/THORDON/RHP/NBC/THORDON/RHP

Motor capacity 60/75/ 50/40" HP suitable bearing make SKF bearing No. 6313/ 6311/ 6310/6310-2Z or equivalent"/ NBC/ THORDON/RHP

Motor capacity 10/12.5/15/20/25/30 HP" suitable bearing make : SKF bearing No. 6309/ 6308/ 6208/ 6209/ 6307 or equivalent" /NBC/THORDON/RHP

Motor capacity with 7.5/5 HP suitable bearing . Make : SKF bearing No. 6306/ 6305/ 6206/ 6205 or equivalent /NBC/THORDON/RHP

Motor coupled with 7.5/5 HP motor bearing . Make : SKF bearing No. 3306/ 6306/ 3305/6305 or equivalent" /NBC/THORDON/RHP

Material & labour for in repair replacement of rubber coupling Make : FENNER/ FINOLEX of size as per Existing including testing complete all as specified and directed by Engr-in-Charge.

Supply & fixing in repair pressure gauge 150 mm dia range 0-10 kg/Sqcm complete all as specified and directed by Engr-in-Charge. Note : Rate quoted deemed to be included for providing adopter/Ferrule/check nut etc required for fixing of pressure guage.

Supply & fixing in repair MS coupling suitable to 100/75/60/50 HP pumps at various installations.

Supply & fixing in repair MS coupling suitable to 40HP/20HP/10HP pumps at various installations complete all as specified and directed by Engr-in-Charge.

Disconnecting LT cables of various sizes from electric motor of different capacities and decoupling from the pumping sets, removing and taking down carefully and transporting to authorised workshop for rewinding strip opening and dismantling complete rotor and stator assemby, cutting; and taking out old burnt copper winding from the stator assembly and cleaning the slots of stor with carbon tetra chloride solution. Material and labour for rewinding complete stator assembly with and including super enamelled copper winding wire of suitable gauge machine with existing. Applying the minimum two coats of insulation varnish and keeping the stator assembly in heating chamber to improve for insulation value. Assemblyling the motor, transporting to site of worik, coupled with the pumping sets allingments properly, connecting the LT cables and testing and commissioning complete of the following capacity of Electric Motors complete all as specified and directed by Engr-in-Charge. :-

300/250/200 HP capacity

150/140 HP Capacity

100/125 HP capacity

75/60 HP Capacity

40/50 HP Capacity

30/25 HP Capacity

15/20 HP Capacity

5/7.5/10 HP Capacity

Supply & fixing in repair/replacement of main contactor suitable for following capacity of motors including taking down old one complete all as specified and directed by Engr-in-Charge.:-

75/60 HP motor, MNX 95, 3 pole, 415V, 50 Hz Make :L&T/Havells/Siemens

40/50 HP motor, MNX 70, 3 pole, 415V, 50 Hz Make :L&T/Havells/Siemens

Supply & fixing in repair/replacement of over load relay suitable for following capacity of motors including taking down old one complete all as specified and directed by Engr-in-Charge. :-

100 to 7.5 HP motor , Relay range (35-50A) 415V, 50 Hz Make : L&T/Havells/Siemens

Supply & fixing in repair/replacement of MCCBs fixed in existing panel board including taking down old one of following capacity complete all as specified and directed by Engr-in-Charge. :-

MCCB 3 Phase (TP) 200A 50Hz, 35 KA

MCCB 3 Phase (TP) 100A 50Hz, 25 KA

MCCB 3 Phase (TP) 63A 50Hz, 25 KA

Material & labour for replacement of unserviceable shaft sleeves for following capacity pump sets complete all as specified and directed by Engr-in-Charge :-

Suitable for 40/30 HP

Suitable for 15/ 20 HP

Suitable for 10HP

Material & labour for replacement of unserviceable impeller as per existing suitable for following capacity pump sets complete all as specified and directed by Engr-in-Charge :-

Suitable for 40/30 HP

Suitable for 10 HP

Suitable for 30HP

Suitable for 15 HP

Supply & fixing in repair direct on line (DOL) starter 3 phase 415 Volts up to 05 HP capacity complete all as specified and directed by Engr-in-Charge

Material and labour for repairing and brazing wherever required with copper rod for rotor assembly of the following capacities of motor including grinding, cleaning, varnishing and testing complete all as specified and directed Engr-in-Charge.

40 HP Electric motor

30 HP Electric motor

15 HP Electric motor

20 HP Electric motor

7.5/10 HP Electric motor

Material and labour for repairing, metal filling, turning and grinding on lathe machine shafts of the following capacity pump sets complete all as specified and directed by Engr-in-Charge

40 HP Pump set

30 HP Pump set

15 HP Pump set

20 HP Pump set

7.5/10 HP Pump set

Material & labour for replacement of gland packing suitable for pump set 250 HP to 10 HP complete with removing worn out gland, cleaning etc complete all as specified and directed by Engr-in-Charge

Supply & fixing in repair/replacement of Star Delta Starter for 40 HP Motor, 415V, 50 HZ complete all as specified and directed by Engr-in-Charge

Supply & fixing in repair/replacement of Star Delta Starter for 30 HP Motor, 415V, 50 HZ complete all as specified and directed by Engr-in-Charge

Supply & fixing in repair/replacement of Star Delta Starter for 20 HP Motor, 415V, 50 HZ complete all as specified and directed by Engr-in-Charge

Supply & fixing in repair/replacement of Star Delta Starter for 15 HP Motor, 415V, 50 HZ complete all as specified and directed by Engr-in-Charge

Taking down and dismantling centrifugal pump sets of following capacity installed at various water supply installations for servicing/overhauling , greasing and replacement of worn out parts which shall be measured and paid separately under the relevant items of Sch `A' complete all as specified and directed by Engr-in-Charge :-

Material & labour for run lead joint in repair with pig lead including pumping out / bail out water and necessary excavation and earth work in any type of soil,to repair the joints for following sizes of pipes complete all as specified and directed by Engr-in-Charge:-

300 mm bore

200 mm bore

150 mm bore

100 mm bore

Supply & fixing in repair heavy duty sluice valves flanged end, cast iron body, heavy duty flanged and drilled and non rising type brass spindle with nut, long body, class PN 16, conforing to IS 14846 of 2000 for following sizes including all flange joint with rubber or fiber board, bolts, nuts and washers complete including pumping out accumulated water complete all as specified and directed by Engr-in-Charge and of following size.

300 mm bore

250mm bore

200 mm bore

150 mm bore

100 mm bore

Supply and fixing in repair of steel water tubing, galvanised, Medium grade with all fittings in shafts such as nipple, union, socket, elbow, bends &,laid in trenches fixed on wall with all fitting including taking down existing rusted pipes for the following sizes complete all as specified and directed Engr-in-Charge.

15 mm bore

20 mm bore

25 mm bore

40 mm bore

50 mm bore

80 mm bore

100 mm bore

Supply and fixing in repairs in existing line, gun metal gate valve with iron wheel head screwed both ends for iron pipe including fittings i.e. union, socket etc complete all as specified of following sizes complete all as specified and directed by Engr-in-Charge :-

40 mm bore

50 mm bore

80 mm bore

25 mm bore

100 mm bore

Supply only cast iron pipes with flange joint both ends centrifugally cast heavy grade class LA in any length laid in trenches of following sizes complete all as specified and directed by Engr-in-Charge

300mm bore

200mm bore

150mm bore

100mm bore

80mm bore

Supply & fixing in repair MS plate cover 5mm thick of valve chamber,under groundsump/ over head tank, including necessary fabrication work with hinges, handle and applying two coats of synthetic enamel paint over one coat of red oxide complete all as specified and directed Engr-in-Charge.

Taking down DI/CI special, corroded MS sections and Supply & fixing angle iron frame of size 50 x 50 x 6 mm of valve chamber, over head tank, UG sump including necessary fabrication work with any size of channel, angle, beam complete all as specified and directed Engr-in-Charge.

Supply, install and testing in repair to electric digital water level indicator with all connected accessories and level sensor complete all as specified and directed Engr-in-Charge.

Material and labour for preperation of steel/iron surface of old painted surface of any description , not otherwise described, painting one coat with red oxide zinc chrome paint and 2 coat with synthetic enamel paint any colour specified by user complete all as specified and directed Engr-in-Charge.

Excavation in trenches not exceeding 1.5 mtr wide and not exceeding 1.5 mtr in depth for foundation/laying of pipe etc and getting out in hard dense soil complete all as specified and directed Engr-in-Charge.

Returning filling in including spreading, leveling, watering and well ramming in layers not exceeding 25 cm deep as in soil complete all as specified and directed Engr-in-Charge.

Removing surplus excavated soil to a distance not exceeding 50 m and deposited where complete all as specified and directed Engr-in-Charge.

Manning & Operation of Naval Dockyard Swimming Pool of capacity 900000 Ltrs, consisting of following equipments & Electrical Panel boards etc. by employing one FGM (Skilled) one Mate (Semi Skilled) Labours Per Shift of 8 hrs for 2 Shifts, 16 Hrs per day, (0600 Hrs to 1400 Hrs First Shift and 1400 to 2200 Hrs Second Shift) including Sundays & Holidays, Comprising the following works :- (a) Operating Pump sets of any capacity as directed (b) Checking water level in the Swimming Pool. (c) Operating Chlorination/Ionization Plants as directed (d) Maintaining Log Book for Swimming Pool (e) Maintaining record of timing of Swimming Pool operation (f) Operating Sluice/Gate Valves located within 1 KM from the Swimming Pool for Supply of water to pool as per the time schedule/requirement. (g) Routine maintenance & cleaning/back washing of filteration plant. (h) Carrying out necessary measure to achieve quality of swimming pool water as per para 3.1.1 of IS-3228 (1993) such as separating dirt/ dust /suspended particles from water and chlorination of water etc. (Note : Disinfectant chemicals and other consumable chemicals required for Operation and maintenace of Swimming Pool Shall be supplied by department) A. EQUIPMENTS : (a) (i) Starter Panel - 01 No (b) Vertical type pressure filter capacity 100000 Ltr per hour - 02 Nos (c) Pump set capacity 15 HP - 02 Nos (d) Suction sweeper complete with Accessories and suction hose along with 2 HP pump set - 01 No. (e) Connecting Valves of various type/sizes.

Note for Sch. Item No 35.00 :- (i) Contractor shall submit ID proof, residential proof, bank A/C details to department and obtain approval of Engineer-in-Charge before employing a person as operator. (ii) Plant operator shall be available as per the shift timings specified in the tender and he will report to JE E/M in-Charge In case of emergency he will function according to their direction. If he is found absent or move without intimating to in-Charge or JE E/M he will be treated as absent for the said shift and recovery of Rs 1500/- per shift shall be affected. (iii) Payment as per quoted rate shall also be deducted in addition to the penalty as specified above. (iv) Contractor shall submit the labour licence & Copy of GST Regn registered number issued by concerned authority. (v) The payment shall be made to employees on or before 10th of every calender month. Payment to employees shall be done by crossed cheque / RTGS / NEFT / IMPS through Aadhar card linked Bank Account only and it shall not be less than minumum fair wages and statutory requiments such EPF and ESI as per Act in vogue. (vi) The rate quoted by the contractor shall be inclusive of life insurance for the tradesmen employed by him in case of untoward incident such as injuries fracture or casualty while on duty (vii) Surprise check will be carried out by department representative and if any employes is not available at his working place, he will be treated as absent. (viii) Contractor has to submit the list of employees including reserve alongwith police verification, Aadhar card, Aadhar card linked Bank Account No and relevant documents as mentioned in PS to the Engineer-in-Charge alongwith performance security before issue work order.

(ix) Contractor has to submit proof of payment of EPF and ESI subscription made by his alongwith RAR failing which RAR will not be progressed for payment (x) Contractor has to employ the number of labours per day as intimated by the Engineer-in-Charge for which he has to make alternative arrangement. (xi) The rates quoted by the contractor shall be deemed to be included provision of all latest labour laws / regulations including all relevant taxes as applicable. (xii) Contractor shall quote the rates considering their monthly leaves, releiver etc as per labour laws and nothing extra shall be paid on account of the above. In case of absence of staff/tradesman from duty, payment of that day will not be paid. In addition to that a penalty of Rs 1500/- per day per person will be recovered from contractors dues. Also in case of long absence (more than one week) of staff/tradesman, the penalty shall be recovered including Sundays & Holidays if any. The contractor shall have no claim on this account. (xiii) Contractor has to supply two sets of Tools and Plants (as applicable) to the labours employed by him and should be placed with the safe custody of department. Rates quoted shall be deemed shall be included as part of contractors profit.

(xiv) The bidders shall not quote rate less than minimum fair wages including other statutory requirement such EPF and ESI including GST as given at para 19 of Sch A Notes. If the quoted amount is less than the estimated cost, the lowest bidder will have to deposit FDR/BGB as elaborated herein after in favour of Accepting Officer within 07 days of opening of financial bid. (xv) The deposited amount shall be the difference between estimated cost and amount quoted by lowest bidder for respective item. FDR/BGB shall be released only after satisfactory completion of work. If the contractor fails to pay minimum wages to employees and other statutory requirments like EPF and ESI, the department shall have right to withhold the said amount which will be verified and confirmed by GE. The decision of Accepting Officer regarding amount to be withhold shall be final and binding. The withhold amount will be utilised by GE for payment to employees if contractor fails to pay minimum wages and balance amount if any shall only be released. If the lowest bidder fails to deposit the amount as stated above within 07 working days, it shall be treated as willful negligence of the bidder with ulterior motives and such tenderer shall be banned from bidding for a period of six months commencing from the date of opening of Financial Bid . The contractor shall sumbit 03 Nos of BGBs/FDRs of equal amount as mentioned above. The BGBs/FDRs validity shall be 04 months, 08 month & 12 months respectively for the purpose of encashment/ release as the case may be. (xvi) The rates quoted shall be inclusive of suitable reliver wherever sundays & holidays are mentioned for working (xvii) Quoted rates should include Stationary,Uniform,Shoes,log book and all safety equipments/ Harness which shall be included as part of contractors profit.

Labour only for Cleaning of entire Floor/ Wall Surface area of Naval Dockyard Swimming Pool by brush or Suction Sweeper to avoid development of algae etc, scraping foreign materials and cleaning the entire surfaces of bottom and side walls and remove complete dirt etc, anti-bacterial treatment using chemical disinfectant complete all as specified and directed Engr-in-Charge. (Note : The Cleaing work is in addtion to the daily cleaning of pool work included in the Sch Item No. 1 to 3 above. Cleaning shall be carried out with not less than two labours once in a week or as directed)

Supply only the following Chemicals against Item No.35 above complete all as specified and directed by Engr-in-Charge:-

Alum Potash with ISI marked.

Soda Ash with ISI marked.

Copper Sulphate with ISI marked.

Bleaching Powder with ISI marked.

Potassium Permanganate

Supply only Calcium Hypochlorite in granular form in 45 or 25 Kg drum, having minimum 70% of available chlorine (Ca(OCI)) with anti-corrosive and anti-scaling properties suitable for human consumption complete all as specified and directed by Engr-in-Charge. Make: PuriChlor/Declibac/Aquafit.

Supply, installation, testing & commissioning of Reciprocating dosing pump, high pressure, single head, gear motored adjustable dosing pump having output of 2 U.S. GPD to 40 U.S. GPD and adjustable high pressure of up to 100 PSI with accessories including lead , tubing, connection nuts, injection check valve, clay weight and ferrules and 100 liters FRP tank with lid & Level gauge along with Agitator and shaft & blade in plastic mounted on tank. The agitator motor must possess following specifications complete all as specified and directed by Engr-in-Charge: Voltage input 230V, Single phage, 50HZ, 900 RPM of suitable capacity. The accessories in the dosing system must consist of the following a) Preparation tank: i) Water inlet line ii) Outlet with strainer iii) Drain iv) Overflow v) Conical bottom for sludge disposal vi) Port whole with cover vii) Level gauge viii) Agitator:120watts, 900 rmp, single phase flange mounted motor with plastic shaft & impeller b) Service Tank: i) Water inlet ii) Dosing Pump mounting provision on lid / wall iii) Drain iv) Overflow v) Level Gauge vi) Inspection Port

Demolition of cement concrete (unreinforced) in ground floors and pavings n.exc 15 cm thickness (below or above ground level) and debris out side MD land complete all as specified and directed Engr-in-Charge.

Material & labour for cement concrete 1:2:4, type B-2 (using 40 mm graded stone aggregate) as in support of CI pipes, foundation and hardstanding finishing even and fair without using extra cement complete all as specified and directed Engr-in-Charge.

Material & labour for CI specials conforming to IS - 1538, spigot /socket or flanged fitting I.e. bend, tee, collar, flanged/ socket /spigot, Tappers and tails pieces etc suitable for 100/150/200/250/300 mm bore pipes complete all as specified and directed by Engr-in-Charge(joints and joining material shall be measured and paid seperately)

Supply and fixing in repairs butterfly valve flanged ends, cast iron body flanged and drilled end with nut, long body of class PN 1.6 as per IS 14846 ISI marked including material and labour for joints with rubber or fiber board, bolts and nuts, washers etc complete all as specified for 200 mm dia pipe complete all as specified and directed by Engineer-in-Charge.

Supply and fixing in repairs Valves butterfly flanged ends, cast iron body flanged and drilled end with nut, long body of class PN 1.6 as per IS 14846 ISI marked including material and labour for joints with rubber or fiber board, bolts and nuts, washers etc complete all as specified for 150 mm dia pipe complete all as specified and directed by Engineer-in-Charge.

Supply and fixing in repairs Valves butterfly flanged ends, cast iron body flanged and drilled end with nut, long body of class PN 1.6 as per IS 14846 ISI marked including material and labour for joints with rubber or fiber board, bolts and nuts, washers etc complete all as specified for 80 mm dia pipe complete all as specified and directed by Engineer-in-Charge.

Supply and fixing in repairs reflux Valve,with by-pass arrangement complete of size 150 mm dia complete all as specified and directed by Engineer-in-Charge.

Supply and fixing in repalcement installing testing and commissioning Trolley mounted self primming , non-clog Trolley mount suction sweeper with pump (i) Trolley mounted suction pump capacity 2 HP self priming pump including rope & starter complete Make : Kirloskar or as approved by GE (ii) Pool cleaner semi type with trolley, 6 Nos of float complete and including PP Rope & vacuum point with ABS material - 10 Nos and piping with 50 mm grade ISI mark, pump with trolley starter, cable etc complete complete all as specified and directed by Engineer-in-Charge.

Material and Labour for construction of valve chamber in repair as per the following description complete all as specified and directed by Engineer-in-Charge.

Foundation in PCC 1:4:8 of size 1.8x1.8x0.15 mtr

Brick walling 230mm thick inside finished size 1.2x 1.2x 1.2 mtr

PCC coping in 1:2:4 on top of walling 100mm thick

MS angle iron frame made out if angle iron 50x50x6mm

MS plate 5mm thick swivel joint with angle iron frame of size 1.10x1.30 including handle of 10mm dia MS round 200mm long and locking arrangement. One rectangular opening 100x150mm duly hinged and welded.

Plaster 10mm thick inside chamber and outside exposed surface above GL.

Painting frame and plate two coats of synthetic enamelled paint red colour over a coat of red oxide primer. Note :- Rates deemed to be included for earth work required as pe site primises.

Supply and laying in replacement of copper unamoured power cable of size 25sqmm from motor starter panel to motor in HDPE pipe in ground complete all as specified and directed by Engineer-in-Charge.

Supply and laying in replacement of copper unamoured power cable of size 35sqmm from motor starter panel to motor in HDPE pipe in ground complete all as specified and directed by Engineer-in-Charge.

Supply and laying in replacement of copper unamoured power cable of size 50 sqmm from motor starter panel to motor in HDPE pipe in ground complete all as specified and directed by Engineer-in-Charge.

Supply and fixing in replacement Pressure gauge 100 mm dia with ball valve of pressure 25 Kg/Sqcm complete all as specified and directed by Engineer-in-Charge.

Supply and fix in repalcement Chlorine test kit with coloured ample complete with all testing fitments and OT solution in Rexene finished box complete all as specified and directed by Engineer-in-Charge.

Supply and fix in repalcement PH test kit with coloured ample covered under BTB (range 6.0 to 7.0) or phenol red (range 6.8 to 8.4) with necessary fitments and 100 ml testing solution in Rexene finished box complete all as specified and directed by Engineer-in-Charge.

Completely Overhauling of Filteration plant having tank capacity 2200mm dia and media depth size 915 mm installed at Naval Dockyard swimming pool Opening top cover of filter media and remove all unserviceable material fine sand,filter nozzle,header pipe nozzle and aggegate supply and filled in sequeience layera sand includind painting inside and out side of filteration tank red oxide grey colour functioning of proper filtration plant as per existing complete all as specified and directed by Engineer-in-Charge.

Supply and fix in repair/replacement of Star Delta Starter for 120/100/150 HP Motor, 415V, 50 Hz complete all as specified and directed by Engineer-in-Charge.

Supply and fix in repair/replacement of Star Delta Starter for 60/75 HP Motor, 415V, 50 Hz complete all as specified and directed by Engineer-in-Charge.

Supply and fix in repair/replacement of Star Delta Starter for 12.5/10/7.5 HP Motor, 415V, 50 Hz complete all as specified and directed by Engineer-in-Charge.

Supply & lay in repair only cast iron pipes with spigot and socket/ flanged end type" centrifugally cast class `LA' in any length laid in trenches of following sizes. Inluding lead joint / nut bolts and connected items complete all as specified and directed by Engineer-in-Charge.

300mm bore

200mm bore

150mm bore

100mm bore

Supply and fixing CAST IRON FOOT VALVES FLANGED ENDS SWING TYPE OPERATION WITH RUBBER SEAT AS PER IS :4038 of folliwing sizes complete all as specified and directed by Engineer-in-Charge. :-

100 mm bore

150 mm bore

200 mm bore

Supply and fixing cast iron Non-Return Valve PN 1.0 (Flanged) confirming to IS:5312:1984 Part -1,swing type with natural rubber flap,flanges drilled to IS:1538 PN-1.0 of following sizes complete all as specified and directed by Engineer-in-Charge. :-

80 mm bore

100 mm bore

150 mm bore

200 mm bore

Shree Ayyappa Engineering

AGRAWAL ASSOCIATES

shubham construction

the bhimani group of companies

Shetty Construction Co

Chakshu Enterprise