Package 12 Construction of Diversion flood carrier from Bye pass pipe culvert upto Murungapakkam surplus, Puducherry

Amount

Close timbering in trenches including strutting, shoring and packing cavities (wherever required) complete (measurements to be taken of the face area timbered) . Depth not exceeding 1.5m

Close timbering in trenches including strutting, shoring and packing cavities (wherever required) complete (measurements to be taken of the face area timbered) . Depth exceeding 1.5m but not exceeding 3m

Close timbering in trenches including strutting, shoring and packing cavities (wherever required) complete (measurements to be taken of the face area timbered) . Depth exceeding 3m but not exceeding 4.5m

Supplying and filling with gravel (excluding rock) in trenches , plinth, sides of foundations etc . In layers not exceeding 20 cm in depth consolidating each deposited layers by ramming and watering etc .complete including all lead and lift

Dismantling of flexible pavements and disposal of dismantled materials upto a lead of 1000 metres, stacking serviceable and unserviceable materials separately - by manual means - bituminous courses

Dismantling of flexible pavements and disposal of dismantled materials upto a lead of 1000 metres, stacking serviceable and unserviceable materials separately - by manual means - Granular courses

Steel reinforcement for R.C.C.work including straightening , cutting , bending , placing in position and binding all complete upto plinth level - Thermo -Mechanically treated ars (TISCON / VIZAG / IISCO / SAIL / JSW) Fe - 415 or more

Reinforced Cement Concrete in substructure complete as per drawing and technical specification -RCC Grade M30 with a minimum cement content 407 kg / cum upto 5m height - Using concrete mixer (Formwork-10%). The rate includes all lead and lift, pumping out any type of water due to stagnation /flowing/seepage and also making under fould condition etc., etc complete complete as directed by the Engineer-in-charge.

Reinforced Cement Concrete in superstructure complete as per drawing and technical specification -RCC Grade M30 with a minimum cement content 407 kg / cum upto 5m height - Using concrete mixer (Formwork-10%). The rate includes all lead and lift, pumping out any type of water due to stagnation /flowing/seepage and also making under fould condition etc., etc complete complete as directed by the Engineer-in-charge.

Providing weep holes in brick masonry /plain/reinforced concrete abutment, wing wall / return wall with 100 mm dia AC pipe, extending through the full width of the structure with slope of 1V:20H towards drawing foce. Complete as per drawing and technical specifications.

Reinforced cement concrete M30 grade with a minimum cement content 407 kg / cum approach slab including reinforcement and formwork complete as per drawing and technical specifications - Using concrete mixer - The rate including head load,pumping out any type of water or liquid mud due to stgnation/flowing /seepage and also working under foul condition etc comperte as directed by the Engineer-in-charge .

Providing and fixing 20mm thick compressible fibre board in expansion joint complete as per drawing and technical specifications

Providing and fixing in position 12 mm thick bitumen impregnated fibre board conforming to IS : 1838 , including cost of primer , sealing compound in expansion joints

Providing and laying cement concrete wearing coat M30 grade with a minimum cement content 405 kg / cum including reinforcement complete as per drawing and technical specification

Demolishing cement concrete manually / by mechanical means including disposal of material within 50 metres lead - nominal concrete 1:3:6 or richer mix (i/c equivalent design mix)

Demolishing cement concrete manually / by mechanical means including disposal of material within 50 metres lead - Nominal concrete 1:4:8 or leaner mix (including equivalent design mix)

Demolishing R.C.C work manually / by mechanical means including stacking of steel bars and disposal of unserviceable material within 50 metres lead

Demolishing brick work manually / by mechanical means including stacking of serviceable material and disposal of unserviceable material within 50 metres lead - in cement mortar

Providing and placing in position suitable PVC water stops conforming to IS : 12200 for construction / expansion joints between two RCC members and fixed to the reinforcement with binding wire befor pouring concrete etc. complete - Serrated with central bulb (225 mm wide, 8-11 mm thick)

Chipping of unsound / weak concrete material from slabs , beams , columns etc. with manual Chisel and / or by standard power driven percussion type or of approved make including tapering of all edges , making square shoulders of cavities including cleaning the exposed concrete surface and reinforcement with wire brushes etc. and disposal of debris for all lead and lifts all complete - 25 mm average thickness

Chipping of unsound / weak concrete material from slabs , beams , columns etc. with manual Chisel and / or by standard power driven percussion type or of approved make including tapering of all edges , making square shoulders of cavities including cleaning the exposed concrete surface and reinforcement with wire brushes etc. and disposal of debris for all lead and lifts all complete - 50 mm average thickness

Providing and laying SBR Polymer modified (of approved make @ minimum 2% by wt.of cement used) plain / reinforced concrete jacket for the structural members e.g. olumns , pillars , piers , beams etc with concrete having the specified minimum characteristic compressive strength (with ordinary portland cement , coarse and graded stone aggregate of 10mm maximum size in proportion as per design criteria) with specified average thickness all - round existing core of RCC member. Note: Rates shall be for finished surface area of concrete and shall include the cost of making holes in existing RCC slab , if required , for pouring concrete in shuttering mould of jacket and appropriate approved Super - Plasticiser for rendering concrete as flowable self compacting and SBR polymer but shall excude cost of reinforcement , bond coat , Shear Keys , centering and shuttering , strutting , propping etc (Payment undr this item shall be made only after proper wet curing has been done and surface has been satifactorily evaluated by sounding tapping with a blunt metal instrument) - 75mm thick in Grade M25 with cement concrete not less than 330 kg per cum

Shotcreting R.C.C .columns , beams and slabs etc. in laysres with approved design mix concrete having the specified minimum characteristic compressive strength (with ordinary portland cement , coarse sand and graded stone aggregate of 10mm maximum size in proportion as per design criteria) including the c ost of centering and shuttering at edges and corners etc. Note: Rates shall include the providing necessary ground wires etc. The levelling gauges ,if used , shall be paid for separately. Payment under this item shall be made only after proper wet curing has been done and surface has been satisfactorily evaluated by sounding / tapping with a blunt metal instrument. - 75 mm thick in Grade M 25 with cement content not less than 330 kg per cum

Providing and laying fillter media for coarse sand under concrete block loose apron (as filter media) to required thickness including removal of foreign matters, ramming , consolidation with watering

Earth work in rough excavation , banking excavated earth in layers not exceeding 20cm in depth , breaking clods watering rolling each layer with 1/2 tonne roller or wooden or steel rammers and dressing up in embankement for roads flood banks ,marginal banks and guide banks or filling up ground depression , lead upto 50m and lift upto 1.5m in all kinds of soil. The Payment shall be based on levels

Earth work in excavation by mechanical means (Hydraulic excavation) / manual means over areas (exceeding 30 cm in depth, 1.5m in width as well as 10sqm on plan) including head load pumping out any type of water or liquid mud due to stagnation /flowing/seepage and also working under foul condition etc., including getting out and disposal of excavated earth, lead upto 50m and lift upto 1.5m - all kinds of soil.

Extra for every additional lift of 1.5m or part there of in excavation / banking excavated or stacked materials The rate includes all lead and lift, pumping out any type of water due to stagnation /flowing/seepage and also making under fould condition etc., etc complete complete as directed by the Engineer-in-charge. - all kinds of soil

Supplying and filling with quary dust in trenches, plinth, sides of foundations etc. in layers not exceeding 20cm in depth consolidating each deposited layers by ramming and watering etc. complete. The rate includes all lead and lift, pumping out any type of water due to stagnation /flowing/seepage and also making under fould condition etc., etc complete complete as directed by the Engineer-in-charge.

Plain Cement Concrete 1:3:6 nominal mix in foundation with crushed stone a ggregate 40 mm nominal size mechancially mixed, placed in foundation and compacted by vibration including curing for 14 days including the cost of labour, material, hire charge for concrete mixer, electirc gen set, water tanker and overhead charges. The rate includes all lead and lift, pumping out any type of water due to stagnation /flowing/seepage and also making under fould condition etc., etc complete complete as directed by the Engineer-in-charge.

Centering and shuttering including strutting , propping etc and removal of form for - foundations, footings, bases of columns etc for mass concrete. The rate including head load,pumping out any type of water or liquid mud due to stgnation/flowing /seepage and also working under foul condition etc comperte as directed by the Engineer-in-charge .

Centring and shuttering including strutting , propping etc. and removal of form work for - retaining walls, return walls, walls (any thickness) including attached pilasters, buttresses, plinth and string courses fillets, kerbs and steps etc. The rate includes all lead and lift, head load pumping out any type of water due to stagnation /flowing / seepage and also working under foul condition etc., completed as directed by the Engineer-in-charge - using steel sheets with M.Sframes.

Providing and laying in position machine batched and machine mixed design mix M-25 grade cement concrete for reinforced cement concrete work , using cement content as per approved design mix , including pumping of concrete to site of laying but excluding the cost of centering , shuttering , finishing and reinforcement , including admixtures in recommended proportions as per IS : 9103 to accelerate, retard setting of concrete , improve workability without impairing strength and durability . Note:- Cement content considered in this item is @ 330 kg / cum. Excess or less cement used as per design mix is payable or recoverable separately. -All levels from footing /foundation Complete as directed by the Engineer-in-charge.

Cement plaster 12mm thick in cement mortar 1:3 using SRPC The rate includes all lead and lift, pumping out any type of water due to stagnation /flowing/seepage and also making under fould condition etc., etc complete complete as directed by the Engineer-in-charge.

Fabrication supplying and erection of Screw Gearing Steel Shutters of Size above 2.00m and up to 3.00m width consist of Skin plate made out of 8mm thick Mild Steel plate and horizontally stiffened with 150x75mm mild steel channel at an interval not more than 0.50m and vertical stiffeners made out of same section at an interval not more than 0.60m and provided with 8mm thick Mild Steel gusset plate of required size on both sides fastened wih rust free bolts and nuts etc. Conveying the fabricated shutter by using lorries including loading, unloading and leading the shutter to the vent. Dismantling the eroded shutter and shuttering arrangements by using necessary gas cutting equipments Erecting the new shutter and the shuttering arrangements in the vent in proper position by using necessary hoisting equipments. The shutter shall be Complete as directed by the Engineer-in-charge. painted with two coats of Anticorrosive black paint over one coat of Red oxide primer. The rate including cost of materials, consumables, labours, power charges, conveyance charges, charges for all equipments required conveying the dismantled materials to the section stores, cost of petty civil work, trial ooperation of shutter and including all taxes and warranty for 5 years etc., complete.

Fabricating supplying and fixing of shutter Groove Angle made up of 100 x 100 x 10 mm Mild Steel angle for Required height including welding hold fast of size 40 X 40 x 6 mm Mild steel angle 3 Nos on both sides and Conveying and leading the groove angle to the vents. Fixing the angle to the grooves in proposer alignment Including dismantling the existing damaged groove Angles, conveying and stacking at section store. The Groove angle should be painted with two coats of AC Black paint over one coat of red oxide primer. The rate including cost of materials consumables labours Charges for all fabricating and hoisting equipments, Conveyance petty civil works and including all other Taxes and warranty for 5 years etc. Complete as directed by the Engineer-in-charge.

Fabricating supplying and fixing of 80mm dia screw Rod made up of mild steel duly machined and fully threaded to suit the head set Assembly and provided with required holes. Conveying and leading the Screw rod to the worksite. Fixing the screw rod to the Shutter gusset plate with required bolt and nut in proper alignment to the head set including Dismantling the existing damaged screw rod, Conveying and stacking at section store. The screw Rod should be painted with two coats of AC black Paint over one coat of red oxide primer. The rate Including cost of materials, labours, charges for all Fabricating and hoisting equipments, conveyance Charges for labours and materials and including all Other taxes and warranty for 5 years etc., complete as directed by the Engineer-in-charge.

Fabricating supplying and fixing of top beam made up Of 200 x 100mm (ISMB 150) duly drilled to suit the Head set assembly with required bed bolt made out Of 25 mm Mild steel round rod duly threaded with Suitable anchorage arrangements to a height of 0.60m with necessary fish plate made out of 16 mm Mild steel plate of size 0.20 x 0.30m 2 Nos with Required holes. Conveying and leading the top beam |arrangements to the worksite. Fixing the top beam Arrangements at the top of the vent to correct Position including dismantling the existing eroded top Beam, conveying and stacking at the section store. The top beam should be painted with two coats of AC Black paint over one coat of red oxide primer. The Rate including cost of materials, labours, charges for All fabricating and hoisting equipments, cost of petty Civil works conveyance charges for labours and materials and including all other taxes and warranty for 5 years etc., Complete as directed by the Engineer-in-charge.

Fabricating supplying and fixing of Head Set Assembly medium duty with hexagonal nut (approximate 150 kg) Made up of cast iron including molding, machining And the hexagonal nut threaded to suit the screw rod Provided with thrust bearing for smooth operation. Conveying and leading the head set assembly to the work site fixing the head set assembly to the top Beam by using required bolts and nuts in proper alignment including dismantling the existing damaged head set assembly conveying and stacking at section store. The head set assembly supplied with Operating key and the both should be painted with two coats of AC black paint over one coat of red Oxide primer. The rate including cost of materials |labours, charges for wooden pattern, moulding and Charges for all machining quipments, conveyance Charges for labours and materials and including all Other taxes etc., complete as directed by the Engineer-in-charge.

Making of bundwall with HDPE cement bags filled with stone dust/quary rubbish for discharge regulation, breach closing/ diversion arrangement. The rate includes head load the cost of empty HDPE bags, cost of stone dust, labour charges for filling the bags and placing in position of its purpose in or under foul poition ,in or underwater and / or liquid mud , including pumping out water as required .(as per D S R 2018 ) as directed by the Engineer-in-charge.

Providing and laying UPVC pipe of 250mm dia including transporting the pipe to work site and placing position for discharge through the drain during construction period under foul condition etc. Complete as directed by the Engineer-in-charge.

Reassembling the UPVC pipe of 250 mm dia by removing it from one location and fixing it at the continous stretches for the discharge form the canal etc. Complet as directed by the Engineer-in-charge.

Construction of RCC railing of M30 grade with a minimum cement content 407 kg / cum cast- in-situ with 20mm nominal size aggregate, true to line and grade, tolerance of vertical RCC post not to exceed 1 in 500, centre to centre spacing between vertical post not to exceed 2000mm, leaving adequate space between vertical post for expansion, complete as per approved drawings and technical specifications

Providing 5mm thick PVC coated steel gratings with suitable steel sections including cutting, hoisting, fixing in position structural steel etc. As required - in stringers, treads, landings etc. Of stair cases, including use of chequered plate wherever required all complete.

M/s. Murali and Bros

N K Gunasekaran

S Sankar

L Djegaradj Moncher