CNT/SEW/Singara Chennai 2.0/004/2023-24

Amount

IMPROVEMENT OF SEWER SYSTEM IN KOLATHUR CONSITUENCY – PHASE I – IMPROVEMENT OF SIVANANDHA NAGAR SEWAGE PUMPING STATION INCLUDING ENLARGEMENT OF EXISTING SEWER MAIN FROM 150MM TO 250MM IN DEPOT 64, AREA VI

Bill No 1 : ENLARGEMENT OF COLLECTION SYSTEM

Supply, delivery, laying and jointing of Double wall corrugated /structured wall plastic polyethylene/polypropylene pipes DWC PE or PP of class SN-8 with non-smooth external Annular Corrugated and Smooth Internal Surfaces in Standard lengths with online coupler and spigot type confirming to IS 16098 (Part-2) 2013 / EN: 13476-3 (latest revision) including elastomeric sealing ring gasket suitable for DWC PE or PP pipes conforming to IS: 5382 (latest revision), freight,insurance, loading into the truck and transporting to the stores / site.. etc including earth work excavation in hard stiff clay,stiff black cotton,hard red earth, shales, muram, 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 lowering into trenches, etc., complete

295/250mm OD/ID DWC PE or PP Pipe

at 1.5m deep

at 2.0m deep

Supply, delivery, laying and jointing of Double wall corrugated /structured wall plastic polyethylene/polypropylene pipes DWC PE or PP of class SN-8 with non-smooth external Annular Corrugated and Smooth Internal Surfaces in Standard lengths with online coupler and spigot type confirming to IS 16098 (Part-2) 2013 / EN: 13476-3 (latest revision) including elastomeric sealing ring gasket suitable for DWC PE or PP pipes conforming to IS: 5382 (latest revision), freight,insurance, loading into the truck and transporting to the stores / site.. etc including earth work excavation in hard stiff clay,stiff black cotton,hard red earth, shales, muram, 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 lowering into trenches, aligning and testing of DWC PE or PP pipes, watering and ramming to consolidation including timbering the trenches for depths 2.5m and above, pumping out subsoil water etc., complete.

295/250mm OD/ID DWC PE or PP Pipe

at 2.5m deep

at 3.0m deep

at 3.5m deep

Cement concrete 1:3:6 using Crushed stone sand (M-sand) and 40mm gauge hard broken stone jelly & SRC for Plain cement concrete works including laying in layers of not more than 15cm thick,compacting, curing etc complete for encasing end concrete.

Construction of Precast circular RCC machinehole using sulphate resistant cement with M30 design mix concrete using Crushed stone sand (M sand) including earthwork excavation as per SS20B including timbering and pumping charges(for 2.5m depth and above), supplying & filling sand for bedding, providing plain cement concrete 1:1.5:3 using 20mm B.G. jelly jelly for foundation, providing base units of 1m height (base slab and sidewall),riser unit (without corbel) of varying heights to suit the various depth requirements and roof slab including cost of steel reinforcement, cost of fabricating the steel mould using MS sheet and ISA angles including material and labour cost, providing CI steps, fixing FRC machinehole frame and door, benching and channelling, refilling with excavated earth and disposal of surplus earth, joining of precast units by grouting with CM1:1 and polyurethane based water proofing compound 1% (by weight of cement ) at shear key and protruded bars- grout holes locations, cost of conveyance and erection charges of precast machinehole at the required position as directed by the engineer at site including testing the machinehole with water for 48 hours to check water tightness and rectifying the defects if any for the following size and depths:

1200mm dia Circular Machine Hole for Sewers (upto 450mm dia)

at 1.5m deep

at 2.0m deep

at 2.5m deep

Construction of RCC machinehole using sulphate resistant cement with M30 design mix concrete using Crushed stone sand (M sand) including earthwork excavation as per SS20B , providing point edge to well kerb for sinking using ISA 150x75x10mm weighing at 16.9kg/m, sinking well kerb below 2.0m from G.L. or by open excavation for various depth as per site conditions with M30 mix for side wall, raft and roof slab, including cost of steel reinforcement , including bailing and pumping out water, formwork, plugging the bottom with PCC 1:3:6 using 40mm hard broken granite jelly, laying plain cement concrete 1:3:6 using 12mm to 20mm hard broken granite jelly for fixing the frame, fixing FRC machinehole cover and frame, providing CI steps, ,benching and channelling including refilling the trenches with excavated earth and disposal of earth etc., including testing the machinehole with water for 48 hours to check water tightness and rectifying the defects if any complete for the following size of machineholes.

1200mm dia Circular Machine Hole for Sewers (upto 450mm dia)

at 3.0m deep

at 3.5m deep

Supplying and fixing 150mm dia MS Ventilating columns 6.0m length with CI Base for Ventilating column, Wire Cowl, Supplying, Laying, Jointing and Testing of 160mm dia UPVC pipe to a length of 6m for each column including cost of joining materials such as cement, sand and spun yarn with necessary civil works for construction of Masonry Pillars, earthwork excavation, refilling etc., complete.

Providing Iron Barricading of size 2.50 m width and 1.75 m height using 40x40x4 mm angle for outer frame supports, 25 x 25 x 3 mm angle for inner frame supports and 20 gauge thickness MS sheet for name board (as per drawing) including cutting, welding, fabrication charges and one coat of primer and 2 coats of enamel paint of approved quality, writing "METRO WATER" & work detail/ caution sign, providing necessary interlocking arrangements with adjoining units, fixing danger flags, danger lights, reflectors, fixing stickers etc, including watching during night and placing the barricading units as directed at the sites

Road Cutting

Cutting Asphaltic Road

Cutting Cement Concrete Road

Cutting DWC PE Pipes

250mm dia DWC Pipe

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 1.0m

160mm dia upto a depth of 1.5m

Inspection Chamber for HSC : Construction of inspection chambers of following sizes with earth work excavation for foundation, 23cm thick concrete bed using 40mm brick jelly concrete in C.M. 1:4:10 (SRC & M-Sand) for foundation, brick work in C.M. 1:6 (SRC & M-Sand) for chamber, plastering with C.M. 1:3 (SRC & M-Sand),12mm thick, benching, channelling, supplying and fixing 60cm x 60cm extra heavy duty FRC cover and frame, etc., complete for

Supplying and filling with stone dust for bedding for a thickness of 10cm and back fill envelope for a thickness of 150mm above the crown of the pipe for DWC PE pipes including ramming, consolidation etc., complete

Refilling with excavated soils for DWC PE pipes including ramming, consolidation etc., complete

Disposal of surplus earth (for DWC PE or PP pipe length)

Making through holes in plain or reinforced cement concrete with diamond core drilling system by using BOSCH power tools of following diameters - depth per cm

Providing form work with centering for soffits of reinforced cement concrete slabs or plain surfaces including shuttering for

For end concrete

Construction of precast anchor block using machine batched, machine mixed and machine vibrated design mix cement concrete of M25 grade with Sulphate resistant cement for reinforced cement concrete structural elements under controlled water cement ratio with plasticiser using 20mm and down graded machine broken granite stone jelly including curing, the cost of steel reinforcement, cost of fabricating the steel mould using MS sheet and ISA angles with material and labour cost, conveyance and erection charges at the required position as directed by the Board Engineer at site.

Supply, delivery, erection of sheet piles and fixing in position using timbering for trenches of average depths of 1.5m to 2.0m, including hire charges of sheet piles, dismantling the shoring after completion of work, etc., complete.

For 2.0m deep

For 1.5m deep

Overpumping using diesel engine pumpset including Hire charges, cost of diesel, engine oil, pump operator, labour charges, and other incidental charges etc and complete for pumping out the sewage from Machine holes

Using 5HP Diesel pumpset

Using 7.5HP Diesel pumpset

Bill No 2 : REHABILITATION OF EXISTING SIVANANDHA NAGAR SEWAGE PUMPING STATION

Dismantling

PCC floor work in front area

Plastering of all surfaces

Excavation in hard stiff clay, stiff black cotton, hard red earth, shales, muram, gravel stoney earth and earth mixed with small size boulders as per SS 20B with initial lead of 10m and lift of 2.0m etc. complete.

Supplying and filling crushed stone sand for foundation and basement including watering, consolidating, ramming etc. complete.

Cement concrete 1:3:6 using 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

Plastering with C.M 1:5 for 12mm thick including curing etc. complete

Special celling plastering 10mm thick with C.M. 1:3 for RCC slabs and beams, columns, roof slabs and sun shade

Flooring 100mm thick base concrete in C.M. 1:4:10 using 40mm B.G. jelly including laying, ramming, curing etc. complete complete

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

Paving Hydraulic pressed cement mosaic tiles of approved colour and of size 20cmx20cmx20mm finished thickness with small verona of Indian marble chips (other than Salem magnesite) with cement mortar 1:3-20mm thick and pointed with the same coloured cement including polishing with power polisher, to a high degree of polish so as to be perferctly smooth and glossy with grey colour mosaic tiles

Concrete with broken brick jelly 20mm guage in pure slacked lime over RCC roof slab in proportion of 32:12 (no sand to be sued) well beaten with wooden beaters to be required depth of 80mm thick and giving rerquired slope and thickness to roof as required etc. complete.

Terrace flooring with two course of flat tiles 15x15x1.2 cm using cement mortor 1:3 mixed with crude oil 10% by weight of cement and pointed with same oiled mortor

Supplying and erecting rolling shutters 76mm, 18 guage of galvanized steel sheet with push and pull tupe or self coiling type operated by operated by pulling hook with top cover including lock arrangements and fixing in position inside or out side etc. complete and painting with priming coat of red oxide with out lock (Payment will be made only for actual opening of shutters)

Maufacturing supplying and fixing in position Anodised Alu. Natural colour mat finish with openable type window with extruded Alu. Sections with two panels of size (Frame - 38 x 33 x21 x 2.4mm @ 0.615 Kg/m, Shutter: Bottom, Top - 38.5 x 33 x 24.5 x 3 & 4mm @ 0.706 Kg/m, Interlocking vertical - 59 x 33 x 25 x 2.5mm @ 1.135 Kg/m) with necessary accessaries such as rubber beadings best quality of lock handle hinges,stays and fixing 4 mm thick plain / frosted/ pin headed glass including cost of all materials labour for electrical consumption required for drilling holes in RCC columns, beams, masonry wherever necessary with power drill to the extent required and made good to the original conditions after fixing as directed by the Board officers.The Al.Surfaces is to be anodised with matt finish usder electrically condition in accordance with ISI1868/1962 specification for an average anodic film thick of not less than 15 microns. (All materials should be got approved by the Site Engineer before fixing in position)

Supplying, fabricating and fixing in position of Alumi.Anod.natural colour matt finish door half glazed and half PLB board using 12 mm thick PLB board and 5.5 mm thick glazed door using rectangular Alu.Box section of size (Frame : Section - 101.60 x 44.45 x 3.18 mm @ 2.399 Kg/m, Shutter : Top, Middle, Vertical style- 50 x 44.45 x 2.5mm @ 1.292 Kg/m, Bottom - 100 x 44.45 x2.5mm @ 1.974 Kg/m) with necessary accessories such as rubber beading, Al. Clips, Best double action floor springs, Aluminium Handles on both sides,floor stopper,Tower bolt, Locks and glass including all materials,Labour, power consemption charges required for fabrication if necessary chipping, dismantling making necessary holes in RCC Coloums, Beams or Masonry wherever necessary with power drill to the extent required and made good to the original conditions after fixing etc.,complete. The Alumi. surface must be anodised with matt finish under electrically controlled condition in accordance with IS specification 1868 / 1962 of Anodic filthickness of not less than 15 Microns (Fifteen) for all sections.All the materials should be got approved by the Site Engineer before fixing as directed.

Supplying and fixing in position of aluminium anodised colour matt finish Louvered Ventilator. The outer frame will be 62x38x2mm @ 1.17 Kg / m and the louvers with moving arrangements will be made with Alu. Channel of size 60x30x4 mm @ 1.27 kg /m with necessary glass pans for louvers 4mm thick Al. Clips, including all materials, labour & power consumption charges required for fabrication if necessary chipping dismantling making holes in RCC columns,beamsor masonry wherever necessary with power drill to the extent required and make good to the original conditions after fixing etc., complete. The Aluminium surface is to be anodised with matt finish under electrically controlled condition in accordance with ISI specification 1868/1962 of anodic film thickness of not less than15 microns (fifteen) for all sections. All the materials should be got approved by the Site Engineer before fixing in position as directed.

Colour washing two coats over one coat of white washing

White washing three coats ( Ceiling)

Painting two coats with superior quality of ready mixed paints of chocholate colour, light green or grey colour or any other approved colour over painting with primary coat (red lead) on new iron work.

Supplying, and fixing 100mm down fall pipe including cost of 100mm AC pipe, shoe bend, bracket and teek wood plugs, grating etc. complete with door arrangments

Refilling with excavated soils (other than sand) complying with standard specifications for filling in foundations & basement

SANITARY ARRANGEMENTS

Providing and fixing colour glazed European water closet with rose wood seatings (Black) low level flushing tank with fittings, etc., complete.

Providing and fixing 100 mm dia CI soil or vent pipe with door arrangement

Providing and fixing 50 mm dia CI soil pipe bend with door arrangement for bathroom

Providing and fixing 100mm dia CI soil pipe bend without door arrangements

Providing and fixing 50 mm dia CI soil pipe for bathroom without door arrangement

Providing and fixing 15 x 10 cm SW gully trap with CI gratings in BJ concrete in CM 1:4:10 with silt pit diaphragm arrangements etc., complete.

Construction of inspection chambers of following sizes with earth work excavation for foundation, 23cm thick concrete bed using 40mm brick jelly concrete in C.M. 1:4:10 for foundation, brick work in C.M. 1:6 for chamber, plastering with C.M. 1:3,12mm thick, benching, channelling, supplying and fixing 45x45cm medium weight L.S. cover and frame, etc., complete for a. 60cm x 60cm x 75cm

WATER SUPPLY ARRANGEMENTS

Supplying and fixing 55cm x 40cm colour glazed wash basin with lead and brass connections, C.P. Pillar Tap and other fittings, etc., complete

Supplying and fixing best mirror of size 60cmx45cm of 6mm thick with plywood back including necessary fittings, etc., complete

Supplying and fixing C.P towel rails 45cmx 20mm

Supplying GI pipes and specials of size 25mm dia including cutting, threading and jointing with necessary specials including carting the materials, fixing to wall with necessary clamps and screws, making holes in roof, repacking the same with necessary brickwork and plastering wherever necessary with scaffolding etc., complete

Supplying and fixing 25 mm GM Gate Valve

Supplying and fixing 20mm C.P Screw down Tap

Supply and delivery and fixing of HDPE tank 1000 litres capacity as per IS 12701 / 1996 including loading, unloading, transportation and labour charges for fixing of the GI pipes and specials for pipe connection works including cutting, threading and fixing charges as directed at site etc.,

Bill No 3 : Supply, Delivery, Erection & Commissioning of electrically driven non clog submersible sewage pumpsets with allied electrical works for Sewage Pumping Station

Supply, delivery, erection, testing and commissioning of non-clog submersible sewage pumpset with following duty point, including required capacity 3 Ph, 415 V, AC, 50 Hz, Electrical Motor with suitable weather proof cable (Copper ) of total length of 35 m, control panel, Pedestal Coupling, guide wire / guide pipe (GI-50 mm dia) of length 10m, M.S.(GLVD) lifting chain of length 10m, necessary level controlling probes with sufficient length of armoured copper LTUG cable to connect the probe from the junction box to the control panel, fasteners including laying of pump cable under ground with suitable conduit and clamping on walls / trays and incidental civil works etc.complete.

Pump 1 - 1600 lpm against a total head of 20 m

Supply, delivery, erection, testing and commissioning of following sizes of power shunt capacitor for power factor improvement, suitable to operate on 415V, 3Ph,50Hz A/C supply, on suitable angle iron frame-works (37.5 mm x 37.5 mm x 6.24mm ) at a height of 0.25m from the ground, including earthing and incidental civil works etc., complete.

Pump 1 - 1 kVAR

Supplying and fixing of 100 Amps Triple Pole fuse carrier in MS Sheet steel encloure with provision for accommodating the TNEB meter including earthing etc., complete.

Supplying and fixing of Amps Triple Pole SFU with HRC fuses on suitable angle iron frame with earth connection only.

Capacity of D.G. Set - 30 kVA

Supplying and clamping of variuos sizes of PVC insulated PVC sheathed armoured aluminium LT UG cable by MS clamps on wall or in a trench to be excavated at a depth of 2 ½ ' putting 6” layer of sand and covering the cable with brick and sand refilling the earth to make good as directed.

From 100 Fuse Carriers to 100 Amps SFU & from there to 100 Amps MCCB Switch of MV panel (Wall)

size 3.5C, 50 Sqmm

From Control Panel of DG to 50A MCCB of MV Panel (Under ground)

size 4C, 16 Sqmm

From 40 A MCCB of MV Panel to Control Panel of Pump 1 (Wall)

size 4C, 10 Sqmm

From 16 A MCCB of MV Panel to Pump 1 Capacitors (Wall)

size 3C, 6 Sqmm

From 32A MCB of MV Panel to LDB and PLC Panel (Wall) size 4 core 10 sq.mm

From control Panel of Pump to Local P.B. Station and for PLC signal cables size 3 core 2.5 sq.mm copper (Under ground)

Supplying and fixing of cable gland and termination with Al. cable lugsfor the following sizes of PVC insulated PVC sheathed armoured alumunium LT UG cable and with earth connection.

size 3.5C, 50 Sqmm (EB)

size 4C, 16 Sqmm (DG)

Size 4C, 10 sq.mm (Pump 1)

size 3C, 6 Sqmm (Pump 1 capacitor)

Size 4 core 10 sq.mm (LDB & PLC)

size 3 core 2.5 sq.mm copper

Supply delivery and fixing of out door weather proof junction box fabricated in MS sheet steel (12 SWG for front 14 SWG for other sides) near the suction well for terminating the Pump power cable and control cable on an angle iron frame at convenient height for working and above the local MFL with provision for terminal block & earthing as per IS including incidental civil works etc.,complete.

For Pump 1

Supply, delivery and fixing of out door wheather proof Local Push Button station in the compartment provided in the Junction Box with 1 No"ON" and 1 No "OFF" push buttons (the "OFF" push button shall be locable in "OFF" position).

Supply, delivery and erection of Single Phase 6 way 16 Amps, 10kA LDB with the following: 1 No. of 16A, DP RCCB 4 Nos of 6A, SP MCB in sheet steel enclosure fitted with busbars and neutral links and suitable angle iron frame works with provision for earthing etc. complete.

Run of 2 of 2.5 sq mm PVC unsheathed copper single core cable in PVC pipe for mains with continuous earth connection by 14 SWG wire From the MCB DB to the Switch boards in office, store,and 16A power socket.

Wiring with 2.5 sq mm PVC insulated single core copper cables of 650 V Grade on suitable rigid PVC pipe on wall and ceiling with PVC accessories, with MS switch box covered with 3 mm thick hylam sheet with continous earth wire connection of 14 SWG TC wire.

Light points

Fan Points

Wiring with 2.5 sq.mm PVC unsheathed single core copper cable on suitable rigid PVC pipe for 5A 3 pin CS plug non interlocking including supply and fixing of plug pin top in MS box with continuous earth connection by 14 SWG TC wire.

Lighting Fixtures

Supplying and fixing of box type 4’ 20W single LED fitting complete with TW round block and tube on ceiling or wall with connection.

Supplying and fixing of 18 Watt LED lamp with round type LED Troffer recessed mounted fitting complete.

Supplying and fixing of 12" sweep AC exhaust fan complete including providing necessary opening in the wall.

Supply and fixing of 48" sweep AC ceiling fan complete with regulator with lm down rod (stem pipe) including supplying and fixing of fan clamp with side plates and cross arms.

a) Supply and erection of 1 No 3" dia 2 m long tubular Wall Mounted post with complete 120W LED lamp with necessary fitting and other accessories etc.

Supplying and clamping of PVC , LTUG cable by M.S.clamps on wall for 2 core 4 sq.mm

Suppling and fixing of cable gland and termination with earth connection for 2 core 4 sq.mm

Supplying and fixing of 15 amps, single phase, DP SFU switch with F&N on suitable TW Board with earth connection only

a) Supply and erection of 1 No 3" dia 5 m long tubular Pole Mounted post with complete 250W sodium vapour lampwith necessary fitting and other accessories etc.

Supplying and laying of PVC , LTUG cable under ground in a trench to be excavated at a depth of 2 ½ ' putting 6” layer of sand and covering the cable with brick and sand refilling the earth to make good as directed for 2 core 4 sq.mm

Supplying and clamping of PVC , LTUG cable by M.S.clamps on wall for 2 core 4 sq.mm

Suppling and fixing of cable gland and termination with earth connection for 2 core 4 sq.mm

Supplying and fixing of 15 amps, single phase, DP SFU switch with F&N on suitable TW Board with earth connection only

Supply and delivery of the following safety equipment a) 5 kg capacity ISI marked dry chemical powder type fire extinguisher

First Aid box ( medium)

Fire bucket - 3 Nos with MS stand

Rubber mat 6mmthick of 1.1 kv grade of size 2m x 1m

Fire safety rules chart

Shock treatment chart

"Caution / Danger" Board

Supply and delivery of the following tools:

Double ended open jaw spanner set of size in mm 6x7, 8x9, 10x11, 12x13, 14x15, 16x17, 18x19, 20x22, 20x23 24x27, 25x28 & 30x32

Ring spanner set of size in mm 6x7, 8x9, 10x11, 12x13, 14x15, 16x17, 18x19, 20x22 20x23 24x27, 25x28 & 30x32.

Screw driver of size 12 inches

Cutting plier of size 8 inches

Tong Tester (clamp on type- multiutility) A C voltage 0 - 750 V AC current 0 - 1000 A D C voltage 0 - 1000 V Resistance 0 - 40 mega ohms

Electrical tester

Diesel Filling Pump (Hand operated )

Measuring Dip Rod (MS) (for measuring 200 ltr. standard Barrel )

Hack Saw frame with blade

Lever type Grease gun

Supply and delivery of Rechargeable emergency lamp with 600mm Fluorocuent lamp, dry type rechargable battery etc.,complete.

Earthing as per ISI specifications with necessary masonary work

Supply and connection of earthing conductor including two coats of approved painting and laying between earth pit and equipments

25 x 6 mm GI Flat

40 x 6 mm GI Flat

Supply, Delivery, erection, testing and commissioning of PLC Control Panel including the Remote Terminal Unit/ Programmable Logic Controller (RTU/PLC), Human Machine Interface (HMI), GPRS modem, 1 kVA UPS and accessories along with mounting assembly & cables including installing the PLC programming package and interconnecting with the existing SCADA System at Centralized Monitoring Location (the software will be provided by CMWSSB) as directed by Engineer and interconnecting with the ultrasonic level transmitters, electromagnetic flow meters and with existing MV panels, Capacitor panels at each sewage Pumping Station to switch ON/OFF the pumps based on level feedback, Switch ON/OFF the existing capacitor bank to maintain Powerfactor as per EB norms, and to monitor EB/ DG supply including incidental civil works etc., complete.

Supply, Delivery, erection, testing and commissioning of Ultrasonic Level Transmitter suitable for maximum depth of suction well with necessary mounting arrangements including incidental civil works etc complete.

Operation and maintenance of the installation: Operation and maintenanceof the plant with all auxiliary equipment for a period of 120 days after satisfactory supply, erection , commissioning and operating the entire plant for 30 days, free of cost by the contractor before handing over the plant to the Board.

Sub Total

J G S AND CO

MVK MURUGAN

Thirumalai Enterprises

Aero Construction Equipments

PNagadevan and co