Laying of dedicated water main and construction of 6LL UGT for 1250 nos of TNHUBD Tenements at Kasimedu, GM pettai and Indra nagar in Depot 50, Area V

Amount

Bill No.1: Laying of dedicated water main and construction of 6LL UGT for 1250 nos of TNHUBD Tenements at Kasimedu, GM pettai and Indra nagar in Depot 50 , Area-V

Cutting asphaltic / concrete road in

Cutting BT surface by using road Compressor (machinary hire charges)

Hire charges of JCB excavation & Breaker for dismantling concrete and heavy surfaces for depth of 0.45m etc. complete (Hire charges of JCB for earthwork excavation, refilling the excavated earth and disposal of surplus earth etc. Complete

Supplying and Laying D.I. pipes (K7) as per IS 8329/2000 including earthwork excavation for trenches in hard stiff clay, stiff black cotton, hard red earth, shales, murams, gravel, stoney earth and earth mixed with small size boulders and hard gravelly soil, depositing the earth on banks with initial lead of 10m and lift 2.00m carting of pipes from any of the Board’s stores to the site of work, lowering into trenches and aligning, refilling the trenches with excavated soil, watering and ramming to consolidationet., complete for the pipes of dia meter 1.5m depth .(Including backfilling). as per schedule.

100mm dia K7 Pipes at 1.5 m depth-BT road & Interior road

Providing Iron Barricading of size 2.50 m width and 1.75 m ht using 40x40x4 mm angle for outer frame supports 25x25x3 mm angle for inner frame supports 20 gauge thickness including cutting welding and CMWSSB Metrowater Boards and work details verticals, painting the verticals, painting the vertical posts in different colours, tieing with coir rope, fixing danger flags, danger lights, reflectors including watching during night and placing the barricading units as directed at the sites

Supplying of specials,Conveying and fixing of Specials (IS 1538/1986)

100 mm DI D/F 90 deg bend

100 mm DI D/F 45 deg bend

100 mm DI D/F 22.5 deg bend

100 mm dia MJ Collar

100 mm dia Sluice Valve with tail piece (IS14846/2000)

80mm double Air valve

Cutting D.I. mains

For 100 mm dia. pipes

Hire charges for diesel pumpset for 7.5 HP with fuel and operator charges including transportation.

Testing of D.I.pipes with hydrulic testing equipment by fillling with water and testing to recommended pressure in convenient sretches and attending the bursts if any occurred during the test, excluding the cost of pipes, including other incidental and operational charges,etc., complete.

100mm dia DI Pipes

Construction of Sluice Valve chambers

For 100 to 250mm dia Sluice valve including providing and fixing L.S.Cover and frame of size 60x60cm. For size 1.35m x 1.20m x 1.55m

Construction of water meter chamber of size size 2m x 1.5m x 2m for mounting 80 mm dia water meter.

Construction of 80 mm Double Air Valve chamber for 100 mm to 350 mm dia. Pipeline including providing and fixing FRC cover and frame of size 60x60 cm for size 1.2 x 0.9 x 1.8 m

Electromagnetic Flow Meter shall be a velocity sensing Electromagnetic type, microprocessor based signal converter, sealed housing, flanged tube meter for 1.0 Mpa working pressure, manufactured to highest standard available for mag-meters, equipped with minimum six digit digital totalizers, reading in different units (Kiloliters / Cubic meter) and shall be accurate within 0.5% of Measured value, shall operate within a range of 0.3 m/sec to 4 m/sec and be constructed as follows: Meter tube (Sensor) shall be fabricated from stainless steel tube and use class PN10 flat face carbon steel flanges in accordance with IS 1538. These flanges shall be welded to the flow tube. The internal and external of the meter tube shall be blasted to near white and lined with hard rubber/ Polyurethrene/ PTFE preferably by SBR or EPDM. Meter tube shall have a constant nominal inside diameter offering no obstruction to the flow. The accuracy should be inclusive of linearity, hysteresis, repeatability, temperature and pressure effects. Coil Housing shall be fabricated from stainless steel (SS304)/ Die cast Aluminium/ Carbon steel with anticorriosive paint for corrosion resistance and welded to the tube providing a completely sealed environment for all coils, electrode connections and wiring harness capable of submerged or buried operation with IP68 Protection. Signal Converter shall be pulsed DC coil excitation type with auto zeroing. The signal converter shall be remotely mounted away from the meter.

The converter shall indicate direction of flow and provide a flow rate indication and a total of flow volume for both forward and reverse directions. The converter shall provide an isolated 4-20 mA output into minimum 500-ohm load and a frequency output of a maximum of 0-10 KHZ and a scaled pulse output. The microprocessor based signal converter shall have a self-diagnostic test mode and a backlit display that continuously displays “Rate of Flow” and “Total Volume”. Converter shall be supplied with a programmable low flow drop out, higher flow and empty pipe zero return. The signal converter housing should be die-cast aluminum with glass window. The converter cum transmitter should be fully programmable from the front facia. The programming should be user friendly, self-prompting menu driven. Flow meter test calibration certificate from FCRI, flow test lab / NABL accredited lab to be furnished. (100mm)

Supplying of specials,Conveying and fixing of Specials (IS 1538/1986)

100mm dia D/F pipe for 0.5 meter

100mm dia D/F pipe for 1 meter

80X100 mm dia D/F Taper

Fl/Spi Tail piece -100 mm

Fl/ SOC Tail piece - 100 mm

100X100X80 mm T-ee

Incidental charges during execution of work along pipe laying, for the following works:

Providing House service connection: Supplying,laying jointing and testing UPVC pipe including earthwork excavation for trenches in hard stiff clay, stiff black cotton, hard red earth, shales,murams, gravel, stoney earth and earth mixed with small size boulders and hard gravelly soil,depositing the earth on banks with initial lead of 10m. lowering the pipes into the trenches, aligning,refilling the trenches with excavated earth in layers of not more than 23cm thick watering, ramming to consolidation and disposal of surplus earth etc., complete. 110mm dia upto a depth of 1.5m for Sewer

Supplying of 4 inch PVC Coupler

Supplying and laying of MDPE (PE80) Blue pipe (IS:4427) with necessary specials including earth work excavation laying jointing testing, refilling the trenches and disposal of surplus earth For wateretc.complete-

Boring and Tapping mains or Re-boring and Tapping main and fixing brass screw plugs or ferrules of sizes including fixing of saddles piece.For water

15mm to 25mm (1/2” to 1”)

32mm to 50mm (1 ¼” to 2”)

Providing 150 mm dia PVC casing pipes across SWD

Hire charges for power breaker to dismantle the side walls of SWD

Cement concrete 1:2:4 using Crushed stone sand (M-sand) and 12 to 20mm gauge hard broken stone jelly for plain concrete work including laying compacting curing,etc., complete

Providing thrust blocks with Plain Cement Concrete in 1:3:6 with 40mm HBG for the CI pumping main including the cost of shuttering, compaction, curing etc. complete.

100 mm DI D/F 90 deg bend

100 mm DI D/S 45 deg bend

100 mm DI D/S 22.5 deg bend

InterConnection with Pumpset

150x100mm dia DI DF Taper

150mm dia D/F pipe (2 m length)

150mm dia D/F DI 90 deg bend

Non return valve 150mm dia

150mm dia sluice valve

150mm dia flange spigot DI pipe

150mm dia DI D/F pipe 0.5m long

150mm dia 90 deg duckfoot bend

Providing thrust blocks with Plain Cement Concrete in 1:3:6 with 40mm HBG for the CI pumping main including the cost of shuttering, compaction, curing etc. complete.

150mm dia 90 deg duckfoot bend

Disjointing and relaying DI pipes excluding excavation

Where the Site has already been surveyed and maps available in UTM Zone44 coordinate system with TBM available on ground or coordinates of other assets available on Ground

(a) For the Underground/Surface Assets along the roads for the distance ranging from<2Km

(b) For the Point Underground / Surface Assets along the roads

Bill No.2: Pumpset & Electrical 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 mixe 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 o f 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. (500 LPM and 75 m Head - 15 HP )

Supply and fixing of compraising MV panel with bus bar sutiable for iron angle 1. 63 Amps -MCCB- 2Nos 2. 32 Amps -MCCB-2 Nos 3. Capacitor -5KVR -2 Nos

Supplying and clamping of 4 core 6sq.mm. PVC LTUG cable by MS clamps on wall

Supply and fixing of cable gland and termination with aluminium cable by 3.5 core 50 sq.mm PVC UG cable and with earth connection

Labour charges for the erection of submersible pumpset in borewell/openwell including fixing and jointing submersible cable with proper clamps upto the starter to required depth and also fixing of riser pipes to the required depth valves erection clamps, pressure gauges upto the exterior wall of pump room and erection of panel board consisting of TPICN switches starter, Voltmeter, Ammeter, three pilot (indicating) lamps capacitor single phasing preventor, water level guard and laying and jointing the cables and twin earthing as per IE rules etc., complete and testing the pumpset and trail run for 10 days.

Bill No.3: Construction OF 6 LL Capacity Underground Tank & allied works

Earth work excavation in hard stiff clay, stiff black cotton, hard red earth, shales, murum, gravel, stoney earth and earth mixed with small size boulders and hard gravely soil as per SS 20B with initial lead of 10m and lift of 2m

Supplying and filling with sand for foundation and basement as per standard specification including watering, consolidating, ramming etc. complete.

Cement concrete 1:3:6 using Crushed stone sand (Msand) and 40mm gauge hard broken stone jelly for plain cement concrete works including laying in layers of not more than 15cm thick including ramming curing, etc., complete

Providing form work with centering for soffits of reinforced cement concrete slabs or plain surfaces including strutting upto 3 m high

Providing and laying in position machine batched, machine mixed and machine vibrated design mix cement concrete of M30 grade for reinforced cement concrete structural elements under controlled water cement ratio with plasticiser using 20mm and down graded machine broken granite stone jelly excluding the cost of centering and shuttering and reinforcement but including curing, fixing fan clamps etc. as per standard specification and as directed by the Board officers complete.

Upto 1.5 m below GL

1.5 m- 4.5 m below GL

Supplying, fabricating and laying in position M.S.rounds or RTS rods for RCC work including cost of reinforcement, binding wire cutting, bending, cranking and tying in position with binding wire assembly etc.

Granolithic flooring 40 mm thick with cement concrete 1:2:4 using 3 to 10 mm chips and top surface rendered smooth with cement including thread lining 25mm dia G.I.pipe of necessary length for water outlet curing etc. complete.

Plastering with cement mortar 1:5 (Crushed stone sand (M-sand)) for 20mm thick including curing, etc., complete

Special ceiling plastering for RCC slabs and beams in cement mortar 1:3, 10 mm thick including hacking and curing etc. complete.

Supplying and fixing of stainless steel ladder consisting of side support and foot rest at every 200mm, all member of ladder made up of 18 SWG 304 Grade stainless steel with stainless steel welded joints. The width of the ladder is 45cms.

Providing and fixing LS cover and frame of size 60x60cm including necessary masonry work and plastering etc complete.

Providing and fixing of 100mm dia CI ventilating pipe of 0.5 m length with PVC vent cowl (slotted type).

Supplying and fixing of 300m width 16 gauge GI plate for construction jointing.

Bailing out of sub-soil water (provision for 3 - 4m depth of earthwork excavation) (for 3 hp)

Testing of the UGT by retaining water for 48 hours inside the UGT including cost of water pumping water into the UGT and bailing out of water (after testing ) with necessary pumping equipments including attending the crack if any occurred during the test

Refilling with excavated soils (other than sand) complying with standard specification for filling in foundation and basement.

Disposal of surplus earth

Sub Total (excluding GST)

SURESH P (BID ID -1531524)