Thanthoni Block - Peri Urban - 2025-26 - Karuppampalayam Panchayat

Construction of New Infiltration Well in the Upperpart of the Periaandankovil Checkdam in the Amaravathi River and Providing of New open Borewell and Extension of Pipeline at Karuppampalayam in Karuppampalayam Panchayat

Earth work excavation above water level in Lighr or sandy or clay soils for Infiltration well of 4.50m dia including levelling the site and as directed by the departmental officers open well excavation for First depth of 1.00m(The water level has been as

Drilling of borewells of size 4" to 5" dia in sedimantary formation using hand boresets including insertion of casing pipes and removal of casing pipes etc., including collection of samples as directed by the TWAD Board Officers. TWAD SOR PAGE no. 217, WD- W0766

Providing and Fixing of Cutting Edge using 75X75X10mm MS angle Including all charges etc complete unit wt for (34.54mX6.80kg/m = 234.87Kg

M 20 concrete mix using 20mm ISS gauge HBG stone including minimum cement content of 325Kg/m3 eith eater cement ratio 0.55 including all charges etc complete., departmental officers

Sinking of Infiltration Well of 3.50m dia and 4.50m ext.Dia below water level including all incidental charges in light or sandy soil

First Depth of 2.00m

Second Depth of 2.00m

Third Depth of 2.00m

Fourth Depth of 2.00m

Fourth Depth of 2.00m

Porous Concrete in CC 1 : 4 For steining of Infiltration Well sxcluding cost of centering but including curing etc., complete. And as directed by TWAD Board Officers.

Providing steel centering using MS plates of size 90cmx60cm -13G to 10g thick welded with 25mmx3mm MS angle supported with Country wood scantling of size 10cmx6.5cm at 50cm C/C strutting with casurina props of 10cm to 13cm sia as directed by TWAD Board Of

Plane Surface

Curved Surfaces

Supplying fabricating and placing in position of RTS rod for reinforcement.For binding ring, pillasters, roof slab and well curb including cost of binding wire and as directed by TWAD Board Officers.

Upto & beyond 16mm dia RTS rods

Plastering with nC.M. 1:5 12mm thick including cost and conveyence of all materials from approved sources to work site and labour charges etc., complete.,

Supply, delivery and fixing in position of CI Man Hole Cover of size 0.60m x 0.60m as directed by TWAD Board Officers.

Supply, delivery and fixing CI steps in position at 30cm C/C in staggered manner and as directed by TWAD Board Officers PWD SOR Page No. 40 M 0653

Applying two coats of cement paint using cement paint outside of well plastered surfaces and side of roof slab

Plugging the bottom of the well with coarse sand of approved sizes and grade as directed by tge TWAD Board Officers

Supply and Delivery and erection of RSJ Beam of size 150mmX80mm - 2Nos each of 4.4m length to be fixed inside the well so mas to facilitate the direction of pumpset

Restoration of Water supply by replacing the damged delivery line with 200MM DI pipe

Earthwork excavation below water level in light or sandy soil for infiltration gallery, syphon or connecting pipe line and connected works including shoring and strutting and charges for special tools and plants for bailing/ pumping etc., such as air compressor and helmet.TWAD SOR Page no. 176

200mm DI pipe

Supply and delivery of K 7 DI PIPES as per is for potable water supply with ISI marking having the required working pressure as per IS . The cost of pipes should include loading, freight, transit insurance, incidental charges, packing, taxes Duties and unloading, stacking at site in good condition etc., complete as directed by the departmental officers DUCTILE IRON SOCKET/SPIGOT PIPES FOR CLASS K7 AS PERDUCTILE IRON SOCKET/SPIGOT PIPES FOR CLASS K7 PER IS 8329/2000 TWAD PAGE NO 38

200mm DI pipe

Lowering the following sizes of DI pipes & specials to trench and laying to proper grade and alignment, jointing and testing to the required pressure etc. complete

200mm DI pipe

Jointing DI Pipes and Specials by butt fusion welding/ electro fusion welding joints using fusion equipment as per ISO 21307- 2011 and as per IS 7634 (Part-2) : 2012 including cost of hire charges for butt fusion equipment power supply arrangements etc., complete as per directed by the departmental officers. P.No. 185 SOR TWAD

200mm DI pipe

Refilling with excavated soil ( Other than sand) complying with standard specifications for filling in trenches etc.,complete.

200mm DI pipe

Anchorage Arrangement

Supply and delivery of 50mm GI (M) pipes

Supply fabricating and placing in position of flats for anchorage arrangements including cost of materials , labour charges, fabrication charges etc., complete as directed by departmental Officers.

Ms bolt and nuts

MS flats

Anchorage Arrangement

Supply and delivery of Open well Submersible pump set conforming to IS 14220 /2002 and as amended thereafter and BEE 3 Star Rated capable of discharging the following duties due to all causes. The pump shall be with stainless steel shaft and dynamically balanced bronze mixed type impeller, CI FG 200 grade casing and brass screws and rotor shall be of copper rod as per IS 613/1984 with ISI mark. The pump suitable for installation in sump with 1.1KV grade 3 core suitable copper flat submersible cable to a length of 15m with necessary cable joints. The non-return valve located at the top of the pump in the discharge outlet connection is to be designed with minimum friction. The pump should be directly coupled to 2880 RPM, three phase, 50 Hz (±5), 415V+6% & 415V-15% squirrel cage induction motor suitable for DOL upto 5 HP , Fully Automatic Air break Star Delta up to 20 HP and Auto Transformer starter for above 20 HP starting and for continuous operation. TWAD SOR page no. 125 WD M1810.1250x60LPM

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 WD-W0857 Above 7.5 HP to 20 HP Each 15218.4 Page no. 224

7.5 HP to - 20HP

Supply fabricating and placing in position of flats for anchorage arrangements including cost of materials , labour charges, fabrication charges etc., complete as directed by departmental Officers.

Supply and delivery of16mm 3 coreflat copper cable 3.3 5.4 1.1KV grade armoured aluminium core cable from panel board to pumpsetWAD SOR Page no 141 WD M 1978

Supply and Delivery of NRV of approved make including all charges etc complete., nP. No. 76 TWAD SOR

Laying the above cables as per IE rules blow Ground level including earth worth from panel board to pumpset P. no. 143 TWAD SOR

Supply and delivery of 3 core x 25 sq.mm PVC insulated sheethed Flat type copper cable at well

Suction pipe

Supply and delivery of GI pipes with specials as per relevant IS

100mm GI pipe

100mm GM Gate sluice valves

100 MM Flange set

100 MM Non-Return Valve

100 MM GI Bend

GST Amount for providing Service to Government Contract Works for the above Construction & Maintenance Works. { GST Amount is the Total GST Amount for overall quoted amount (Both Construction and Maintenance) above this row in column "BB" for all works in this package} (Refer Clause 13.2 & 13.3 of Section 2 of Instruction to Bidders (ITB) of SBD)

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