Improvement to Girudhumal river from Madakkulam surplus weir to Cinthamani (to divert flood water) in Corporation limit in Madurai West and Madurai South Taluk of Madurai District.

Amount

Dismantling with out damaging the near by structure if any, clearing away and carefully stacking materials useful for re-use for any thickness of walls Brick / Stone Masonry in cement mortar walls under 3m high etc, complete complying with standard specification and as directed by the Engineer in charge of work.

Dismantling with out damaging the near by structure if any, clearing away and carefully stacking materials useful for re-use for any thickness of plain cement concrete etc, complete complying with standard specification and as directed by the Engineer in charge of work.

Dismantling with out damaging the near by structure if any, clearing away and carefully stacking materials useful for re-use for any thickness of reinforced cement concrete by deploying machinery etc, complete complying with standard specification and as directed by the Engineer in charge of work.

Earth work excavating and dopositting on bank with intial lead of 10 m & intial lift of 2m in hard stiff clay, stiff black cotton, hard red earth, shales, murram, gravel, stoney earth and earth mixed with small size boulders etc., complete complying with standard specification and as directed the Engineer in charge of work. (SS20B For Cut open and Foundation) and Refilling with excavated Soil (other than sand) Complying with standard specification for filling in Foundation and basement.(WR-0075

Supplying and erecting water tight steel centering for sides and soffits including supports and strutting up to height of 3.29 m high for plain surface such as R.C.C.slabs, vertical slabs,side slabs of R.C.C. Works with all cross bracings using mild steel B.G.10 gauge sheets of size 90cm x 60cm stiffened with welded mild steel angles of size 25mm x 25mm x 3mm for boarding laid over silver oak (country wood) joists of size 10cm x6.5cm spaced at about 90cm centre to centre and supported by casurina props of 10cm to 13cm dia spaced at 75cm centre to centre complete complying with standard specification and as directed by the by the Engineer in charge of work (The retrieved materials should be taken back by the contractor ). The payment for centering should be made after the concrete is laid etc.,

Centering for footings Below Sill Level Without Strutting

Centering for With Strutting up to 3.29m Height (Above GROUND LEVEL)

Providing and placing in position of plain Cement concrete of grade M10 using well graded aggregates with the nominal maximum size of coarse aggregate of 40mm weigh batching the ingredients and mixing in approved mixers/batching plant (to produce concrete of the specified characteristic strength of 10 N/mm2 at 28days) including dewatering the placement site by bailing/pumping and by diverting wherever necessary; laying the concrete in layers of not exceeding 15 cm thick and in bays; compacting and finishing the surface with all leads and lifts; watering curing complete so as to attain the profile and strength as directed by the Engineer in charge of works and as per the technical specifications (as per specification 5.2.1) (without vibration)

From depth 1.5m below GL and upto 1.00m above GL

Providing and placing in position of Plain Cement Concrete of grade M 15 using hard well graded coarse aggregate of maximum nominal size of 40mm weigh batching the ingeridents and mixing in approved mixers/ batching plant (to produce concrete of the specified characteristic strength of 15N/Sqmm in 28 days) including dewatering the placement site by bailing / pumping and diverting wherever necessary, laying the concrete in layers of not exceeding 15cm thick and in bays, compacting and finishing the surface to the profile with all leads and lifts, watering, curing to attain the strength as specified in the drawing for various depth and height below and above ground level etc., complete complying with standard specification and as directed by the Engineer in charge of work.

(Below GL Upto 0 m to -1.5 m )

Providing and placing in position of Reinforced Cement Concrete M20 grade using hard well graded coarse aggregate of maximum nominal size of 20mm weigh batching the ingeridents and mixing in approved mixers/ batching plant (to produce concrete of the specified characteristic strength of 20N/Sqmm in 28 days) including dewatering the placement site by bailing / pumping and diverting wherever necessary, laying the concrete in layers of not exceeding 15cm thick and in bays, compacting and finishing the surface to the profile with all leads and lifts, watering, curing to attain the strength as specified in the drawing for various depth and height below and above ground level etc., complete complying with standard specification and as directed by the Engineer in charge of work.

Above Ground Level - 1.00m upto 4.50m

From depth 1.5m below GL and upto 1.00m above GL

Providing and placing in position of Plain Cement Concrete of grade M 20 using hard well graded coarse aggregate of maximum nominal size of 40mm (60%) and 20mm (40%) weigh batching the ingeridents and mixing in approved mixers/ batching plant (to produce concrete of the specified characteristic strength of 20 N/Sqmm in 28 days) including dewatering the placement site by bailing / pumping and diverting wherever necessary, laying the concrete in layers of not exceeding 15cm thick and in bays, vibrating, compacting and finishing the surface to the profile with all leads and lifts, watering, curing to attain the strength as specified in the drawing for various depth and height below and above ground level etc., complete complying with standard specification and as directed by the Engineer in charge of work.

From depth 1.50 m Below GROUND LEVEL and upto 1.00m above GL

Above Ground Level - 1.00m upto 4.50m

Providing and placing in position of Reinforced cement concrete of grade M30 with well graded aggregates and the nominal maximum size of coarse aggregate of 20mm weigh batching the ingredients and mixing in approved mixers/batching plant ( to produce concrete of the specified characteristic strength of 30N/mm2 at 28 days) including dewatering the placement site by bailing/pumping and by diverting wherever necessary laying the concrete in layers of not exceeding 15cm thick and in bays vibrating, compacting and finishing the surface with all leads and lifts, watering curing complete so as to attain the profile and strength specified in the approved drawing & specifications and complete as directed by the Engineer in charge of works and as per the technical specifications. (With Vibration)

Above ground level (AGL 1.00 m to 4.50 m Height)

Providing and placing in position of Reinforced cement concrete of grade M30 with well graded aggregates and the nominal maximum size of coarse aggregate of 20mm weigh batching the ingredients and mixing in approved mixers/batching plant ( to produce concrete of the specified characteristic strength of 30N/mm2 at 28 days) including dewatering the placement site by bailing/pumping and by diverting wherever necessary laying the concrete in layers of not exceeding 15cm thick and in bays vibrating, compacting and finishing the surface with all leads and lifts, watering curing complete so as to attain the profile and strength specified in the approved drawing & specifications and complete as directed by the Engineer in charge of works and as per the technical specifications. (With out Vibration)

Above ground level (AGL 1.00 m to 4.50 m Height)

Supplying, fabricating & placing in position of ribbed tor steel grills for Reinforcement of RCC works including cost of steel and binding wire and labour charges for decoiling, cutting, bending and tying the grills complete complying with standard specification. Steel and binding wire will be at the contractor's own cost.

Providing and fixing weep holes of 110 mm dia 4 kg/cm2 PVC pipes upto a required length for check dam, abutment and wing wall including cost and conveyance of all materials to work site including cost of labour charges for 90 cm spherical backup arrangements with 100 mm dia size broken granite gharges of the periphery and labour charges for fixing etc., complete to drain the back fill (working pressure 4 kg/cm2) complying with the standard specification

Supplying and fixing KRAFT PAPER for full width of seating of deck slab and including cost and conveyance to worksite, labour for fixing the same in correct position and all other incidental charges etc., complete. (W-0223)

Dewatering using 3hp to 70hp diesel engine pumpset including Hire charges, cost of Diesel, Engine oil, pump operator, labour charges, conveyance of pumpset and fuel to site and back, loading, unloading and any other incidental charges etc., complete.

Providing filter media behind the abutments and wings with clean III graded material 53mm to 5.6mm to 600mm thick and well compacted in layers with smaller sized towards the soil and bigger size towards the wall including cost and conveyance to work site including all labours and other incidental charges including hire charges for tools and plants employed etc., for filter media as per MOST's (Roads Wing) specifications for Roads and Bridges " Fourth Revision Cl. 309-3-2-13 and 305 -4-4 etc., complete.

Filling behind Abutments and wings with clean gritty gravel including cost and conveyance of gravel to worksite, laying, handling charges and filling in layers, tamping under optimum moisture content to get the maximum density including watering, with all leads for water and all other incidental charges etc., complete.

Providing and fixing of GI DRAINAGE SPOUTS 100mm dia. as per GOI drawing SD/205 with grating arrangements at top as shown in the drawing and 100mm dia drainage spout projecting atleast 300mm beyond the bottom of deck slab as shown in the drawing including cost and conveyance of Galvanised iron pipes and flats and fixing them in position etc., complete. as per cl 2705 of MORT&H specification. (V Revision).

Supplying and fixing 300mm wide PVC EXPANSION JOINT in the 20mm expansion gap provided in between deck and dirt wall over abutment as shown in the drawing including cost and conveyance of expansion joints including shalimar pad and joint sealant etc., complete.

Excavation including removal and satisfactory disposal of all materials necessary for the construction of road way and side drains in accordance with specifications and the lines , grades and cross sections shown in the drawings or as indicated by the Engineer using Carted Eath with a lead of 3km for formation of Approach Road.

97% COMPACTION

100% COMPACTION

Providing and laying Gravel soling for 150mm thick with clean good gritty gravel over the well prepared sub grade from the approved quarry including cost and conveyance of material, laying in accordance with the requirements and specification. The materials shall be laid in one or more layers as sub-base according to the line and grade and cross action shown in the drawing or as directed by the Engineers.

Supply of NP3 lass RCC Pipe Confirming to IS 458/2003 including Cost of Pipes on Finished Work including all other incidental charges, testing charges including unloding, transporting and delivery in good condition at work Site etc., complete, as directed by the Departmental officers as per standard specifications.

Hoisting and fixing of NP3 lass RCC 900mm dia Pipe and collars in proper gradient including all other incidental charges etc., complete, as directed by the Departmental officers as per standard specifications.

Construction of granular sub-base by Providing close graded Material, mixing in a mechanical mix piant at OMC, carriage of mixed material to work site, spreading in uniform layers with motor grader on prepared surface and compacting with vibratory power roller to achieve the desired density, complete as per clause401.(Grading-V Materials)

Providing, laying, spreading and compacting graded stone aggregates for Wet Mix Macadam 250mm thick, including premixing the materials with water at OMC in mechanical mix plant, conveyance of mixed materials by tipper to site, laying in uniform layers using pavers in Sub base/ Base course on well prepared surface and compacting with vibratory roller to acheive the desired density including cost of materials, labour charges, rental for machinery, fuel and all other incidental charges etc., complete as per clause 406 of MORTH Rev-5.

Providing and laying Prime Coat over WBM/WMM surface using 7 Kg of Emulsion Bitumen (SS1) per 10 sqm for preparatory to bituminous construction over it, including cost of material, labour charges, rental for machinery, fuel and all other incidental charges etc., complete as per Clause 502 of MORTH Rev-5.

Providing and laying Tack Coat over WBM/WMM surface (treated with primer) using 2.50 Kg of Bitumen Emulsion (RS1) per 10 sqm for preparatory to another bituminous construction over it, including cost of material, labour charges, rental for machinery, fuel and all other incidental charges etc., complete as per Clause 503 of MORTH Rev-5.

Providing and laying Bituminous Concrete to 30/40mm using 0.13 cum of 19.00-9.50mm, 0.17 cum of 9.50-2.36mm and 0.26 cum of 2.36 and below with 50.30kgs of VG30 bitumen for premixing per 10sqm including cost and conveyance of all materials to CMP site, heating the bitumen and aggregate to required temperature and mixing them in required temperature in central hot mix plant 20-30 ton capacity, conveying the mix by tipper trucks to paver site, spreading the mix to uniform thickness of 40mm with mechanical paver to the specified grades and cross sections and consolidated by 8-10 tonne Vibratory Roller to the required density etc., including labour for attending to paver to site etc., including hire charges and fuel charges for 20-30 t CMP with bitumen boiler, tipper trucks, paver Finisher, Vibratory roller and all other tools and plant required, including fuel and all other incidental charges etc., complete as per specification using CMP as per clause 507 of MORTH Rev-5.

Providing and placing in position of Plain Cement Concrete of grade M 15 using hard well graded coarse aggregate of maximum nominal size of 40mm (60%) and 20mm (40%) weigh batching the ingeridents and mixing in approved mixers/ batching plant (to produce concrete of the specified characteristic strength of 15 N/Sqmm in 28 days) including dewatering the placement site by bailing / pumping and diverting wherever necessary, laying the concrete in layers of not exceeding 15cm thick and in bays, vibrating, compacting and finishing the surface to the profile with all leads and lifts, watering, curing to attain the strength as specified in the drawing for various depth and height below and above ground level etc., complete complying with standard specification and as directed by the Engineer in charge of work.

From depth 1.50 m Below GROUND LEVEL and upto 1.00m above GL

From height 1.00m above GL and upto 4.50m height above ground level

Earth work excavation for desilting the existing rivers /canals/channels/odai/nulls/drains/ flood bows/tanks/reservoirs etc.consisting of every loose soil ,silt,oily silt,slury,marshy,loany,oranic soil,sea shell and flat mica particles withe zero present air voids in unhygenic & insanitary condition in under water and not under water deploying earth moving machineries with suitable floats buoys barge/hydralic excavator & other mechanical device including the cost of hire charges for machinerieswithcost of skilled operators with helpers & cleaners for the entire operation to reach the banks in which the removedsilt & sludge has to be dumped over eitherone of the river/canals/channels/odai/nulls/drains /flood bows/tanks/reservoirs etc.bank whichever is convenient as per the prevailing site conditions for easy conveyance and including jungle clerence etc complete complying with standard specification and as directed by the the Engineer in charge of work.

Conveyance by roads in plains o to 10 km including Loading unloading and transportation charges Of excavated silt in unhygienic & insanitary conditions to the dumping yard or low lying areas as directed by the field Engineer’s by deploying the earth moving machinery, hydraulic excavator, tippers & other mechanical devices including the cost of hire charges for machinery, with cost of skilled operators with helper & cleaners, including leveling etc..(WR-W0010)

Supplying and Fixing demarcation R.C.C. pre cast posts in Cement concrete of grade M20 with well graded aggregates and the nominal maximum size of coarse aggregate of size 20 mm of size 0.15 x 0.15 x 1.20 M and fixing the post 40 Cm depth below ground level, the post includes using 4 numbers of 8mm RTS main rod to a length of 1.325 M, using 6mm MS 9 numbers as strips with steel centering and painting the post with enamel paint to a height of 0.80 M around the post etc. complete and conveying the post to the site of demarcation boundary such as tank bund and foreshore including earth work excavation for foundation in HSC having the base plain cement concrete of 10 cm of grade M15 concrete using hard blue granite broken stone of graded metal 1/3 Part of 40mm & 2/3 Part of 20 mm size, and the post embedded by using Cement concrete of grade M10 with well graded aggregates and the nominal maximum size of coarse aggregate of 20 mm etc, complete as directed by the Engineer in charge of works and as per the technical specifications

G ILANGUMARAN (BID ID -1222223)