Municipal Administration And Water Supply Department Tender

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Municipal Administration And Water Supply Department - MAWS Tender

Works
Civil And Construction
Excavation
Eprocure
Opening Date29 Mar 2025
Closing Soon7 Apr 2025
Tender Amount₹ 14,50,000 
Notes
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Costs

Description

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BOQ Items

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DO_NOT_SHOW

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140 mm HDPE Bend

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140 mm HDPE Equal Tee

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Supply delivery of following size of CI D/F sluice valves with cap / wheel of class PN-1 along with non raising high tensile brass spindle valve operating in anti clock direction as per IS NO 14846/2000 including cost of pipes and specals and as amended from time to time and suitable for water supply main including all taxes, loading freight, transit, unloading and stacking them at site etc. complete and as directed by TWAD Board Officers.

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150 mm dia CI D/F Sluice Valves

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Earth work excavation for laying of various type / size of pipes in hard stiff clay, stiff block cotton soil, hard red earth shales murrams, gravel stoney earth and earth mixed with small sized boulders and hard gravelly soil and depositing on bank with an initial lead of 10M and initial lift of 2m including shoring, strutting, bailingout water from the trenches wherever necessary and all other incidental charges such as barricading providing danger light etc., complete and as directed by the TWAD Board Officers.

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140 mm dia HDPE pipe

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Conveyance of following sizes of pipes from stock yard to site of work including loading and unloading charges and Lowering the following size of HDPE Class pipes and specials into the trenches and laying to proper grade and alignment etc. complete and as directed by the TWAD Board Officer

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140 mm dia

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Jointing the HDPE pipes and specials including cost of jointing materials , labour charges and all incidential charges etc., complete as per standard specifications and as directed by the TWAD Board Officers.

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140 mm dia

6

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Construction of masonry valve pit for fixing Air valves/Scour valves/Sluice valves as per type design No.9/43. The foundation will be in PCC 1:4:8 and brick work in C:M 1:5 Plastering in cm 1:3 12mm thick and the pit provided with 100mm thick RCC 1:11/2:3cover slab. The rate should include earth work excavation in various soils met with at the site of work, refilling the pit after the construction of pit, cost of levelling course, brick work, plastering, cut stone RCC cover slab, cost of reinforcemet, fabrication charges and fixing the valves in position inside the pit, laying and jointing of CI pipes and specials etc., complete. The Jointing materials such as bolts nut washers, rubber insertion sheets white lead have to be procured and utilised by the contractor at his own cost etc., complete and as directed by the TWAD Board officers.

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For Sluice Valve

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150 mm dia CI

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Refilling trenches with excavated soil in layers not exceeding 15cm in depth, ramming and consolidation of each layer, watering etc. complete as per standard specifications and as directed by the TWAD Board officers.

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140 mm dia

10

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Ponnai river sump - Submersible pumpsets

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Supply and delivery of open well type submersible pumpsets with following capacity of lpm against Noted head in Metre suitable for erection into the SUMP with stainless steel shaft, bronze impeller and stainer with brass screws, water lubricated bearings and protected from sand. The non return value located at the top of the pump in the discharge outlet connection used to be designed with minimum friction. The pump should be directly coupled to a suitable HP. 2880 RPM, 3 phase, 50 HZ, 380/440 B motor suitable for DOL / Star Delta starters of adequate capacity for continuous operation. The pump should be provided with the minimum length of 20 m suitable size PVC insulated copper flat cable. The pumpset should confirm to IS 14220 and amended thereafter etc., complete and as directed by the TWAD BOARD officers.

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At Sump with 100 % standby (1+1) - 1033 LPM X 43M HEAD- 15 HP

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Supply delivery of 3 phase panel board (Star Delta) with 2 level guard and auto start with single phase preventer with ammeter confirming to IS 13947 etc., complete and as directed by the TWAD BOARD officers.

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At Sump with 100 % standby (1+1) - 1033 LPM X 43M HEAD- 15 HP

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Supply and delivery of 150mm dia reputed make pressure gauge and vacuum gauge including all accessories as per specification for the pressure gauges for suction side and delivery side are to be fixed on teak wood board mounted on the wall with GM cock and copper impulse tubbing (On delivery side 1No. Each to be fixed before the valve and 1No. To be erected after the common main). Supplied has to mention clearly the make, flow, Head efficiency and impeller diameter details and pump characteristic curves of all the pumps with authorisation letter to provide service bank up from the manufacturer etc., complete and as directed by the TWAD BOARD officers.

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Supply and delivery of 1.1KV grade 3 core Armoured Aluminium Conductor submersible cable conforming to IS with ISI marking of the reputed make suitable for the submersible pumpset erected in the Bore well etc., complete and as directed by the TWAD BOARD officers.

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10 Sq mm Aluminum cable

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Supply and delivery of 3 core PVC insulated sheathed 4 Sqmm copper cable flat submersible cable to the conforming to IS 694 / 1990 with ISI marking of the reputed make for the submersible pumpset erected in the Bore well etc., complete and as directed by the TWAD BOARD officers.

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6 Sq.mm (2 run x 20m)

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Laying 3 core Armoured Aluminium Conductor submersible cable conforming to IS with ISI marking of the reputed make suitable for the submersible pumpset erected in the Bore well etc., complete and as directed by the TWAD BOARD officers.

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10 Sq mm Aluminum cable

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Laying 3 core PVC insulated sheathed 4 Sqmm copper cable flat submersible cable to the conforming to IS 694 / 1990 with ISI marking of the reputed make for the submersible pumpset erected in the Bore well etc., complete and as directed by the TWAD BOARD officers.

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6 Sq.mm (2 run x 20m)

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Jointing 3 core Armoured Aluminium Conductor submersible cable conforming to IS with ISI marking of the reputed make suitable for the submersible pumpset erected in the Bore well etc., complete and as directed by the TWAD BOARD officers.

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10 Sq mm Aluminum cable

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Jointing 3 core PVC insulated sheathed 4 Sqmm copper cable flat submersible cable to the conforming to IS 694 / 1990 with ISI marking of the reputed make for the submersible pumpset erected in the Bore well etc., complete and as directed by the TWAD BOARD officers.

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6 Sq.mm (2 run x 20m)

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Supply and delivery of horizontal type 3 phase Distribution box with MCBS with 4 way TPMCB sheet steel distribution board with bus bars and neutral links with single/Three phase MCB outgoings and seperate 4 way provision for accommodating 1 no. of 4 ploe incoming MCB.Isolator and another seperate 4 way provision for 4 pole ELCB/RCD with lable holder and provision for taking up cable for size not less than 35 sq.mm with 12 Nos of outgoings as per standard specifications etc. completed as directed by TWAD Board Officers.

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Supply using LT metering board with all accessories etc. as per TNEB below 150 HP etc., complete and as directed by TWAD Board officers.

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Supply and Delivery of CI pipes and specials as detailed below for Erection of pumpset in the sump including all taxes cost of loading, freight, transit, unloading and stacking them at site etc. complete and as directed by TWAD Board Officers

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(a)100 mm CI D/F pipe - 2.0 m - 4 Nos

236.8

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(b) 100mm CI D/F pipe - 1.0 m - 3 No

101.4

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(c ) 100mm CI D/F pipe - 0.5 m - 5 Nos

105.5

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(d) 100mm CI D/F 900 bend - 4 Nos.

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(e)100mm CI D/F Sluice valve

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(f) 100mm CI D/F Non Return valve

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(g) 100mm CI A/F Tee (1 No.)

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(h) 100mm CI D/F Duck foot bend - 1 No

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(i) 100 mm MS Clamp set

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Supply and Delivery and fixing of the following items including cost of material and labour charges and as directed by the departmental Engineers.

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(a) 500 A-415V, Jaws

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(b) 500 A-415V, Base

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Supply and delivery of Horizontal split casing centrifugal pump conforming to IS 1520 and as amended thereafter with CI casing and split glands, stainless steel shaft, hydraulically and dynamically balanced bronze impellers capable of discharging required quantity of water against a total head noted below due to all causes and with the accessories such as G.M air release cock, Grease cup, G.I priming funnel, M.S lifting hook, drip water G.I pipe connections, leading to the outside of pump house rubber water deflector, double flap foot valve, G.M strainer including unique tyre type coupling, common M.S fabricated base to mount pump and motor and other standard fittings etc complete. Pump shall be capable of discharging the specified quantity at the head noted at the minimum NPSH at site conditions. The shut off head shall be atleast 25% over and above the head at duty point. The pump shall be suitable for operation in AC three phase, 415 V, 50 Hz, 1500 RPM. (1500 LPM X 50 M Head)

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Supply and delivery of 50Hp Star-Delta starter where panel boards are available confirming to IS 13947, IEC60947-1 and as amended thereafter with suitable KW rating for operation in AC/three Phase/50HZ(+/- 5%) and 415V (+/- 10%) including 3 pole magnetic contactor with under voltage release - 3 Nos., CT operated Ammeter(65 mm dia) with suppressed scale, Voltmeter (65mm dia), Voltmeter selector swicth, Minature Circuit breaker, Thermal Overload relay, Air Break contactors suitable for next Standard higher KW rating, Single phasing preventor, dry running preventor and On/Off Push button switches, wiring with 1 sq.mm/4 sq. mm copper pvc insulated cable, powder coated vermin proof box, including the capacitor

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Labour Charges for erection of Horizontal shaft, centrifugal pumpset (Coupled/Monoblock) in bore well/Open well including fixing of suction pipe and foot valve upto a maximum depth of 7 metres and delivery pipes to the required length with valves, pressure gauges upto the exterior wall of pump room and erection of panel board consisting of TPIC switches starter, Voltmeter, Ammeter, Capacitor single phasing preventor and laying and jointing the cables and twin earthing as per IE rules including providing bed blocks etc., complete and operating the pumps and trial run for 10 days including signing of completion of reports as required by EB authorities.

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Maintenance and Repairing the Main Pannel Board including supplying, delivery and supply of HRC Fuse, Switches, Ammetter, Voltmeter, 25sqmm copper cable wiring, lug jointing, internal servicing etc., complete as directed by the departmental Engineers.

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Supply and delivery of 9 KVAR of 1 No. Bank medium voltage Automatic power capacitor control unit suitable for 415 volts, 3 phase, 50 Hz. AC supply .with TNEB test certificate and accessories.duly banked with copper bus bars. of ample current carrying capacity, steel sheet terminals, cable gland unit rating plate as per site conditions, tie rod , gasket, base frame and etc. complete with adequate size cable of required length for capacitors bank to maintain 0.95PF lead current to be provided with banking arrangements and connected to the main panel board with all accessories as per CEIG requirements ( as per ISS 2384 make capacitor) etc., complete and as directed by TWAD Board officers.

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GST 18%

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