Renovation of Panaiyur Check dam at LS 73.160 Km of Vaigai River and Restoration of Panaiyur Channel in Madurai North Taluk of Madurai District

Clearing the juliflora jungle without uprooting and as directed by the departmental officers etc., complete complying with specification.

Earth work excavation deploying earth moving machinery for desilting channel having a width of more than 10m and forming bund on either sides and depositing the earth on banks including jungle clearance etc., complete complying with standard specification and as directed by the departmental officer.

Earthwork excavating and depositing on bank with initial lead of 10m and initial lift of 2 m in hard stiff clay, stiff black cotton, hard red earth, shales, murram, gravel, stoney earth and earth mixed with small sized boulders etc., complete complying with standard specification and as directed by the departmental officer. (For Foundation)

Earthwork excavating and depositing on bank with initial lead of 10m and initial lift of 2 m in hard stiff clay, stiff black cotton, hard red earth, shales, murram, gravel, stoney earth and earth mixed with small sized boulders etc., complete complying with standard specification and as directed by the departmental officer. (Open Excavation)

Earth work excavation for desilting the existing rivers / canals / channels/odai/ nullas / drains/flood bowls/tanks/ reservoirs etc., consisting of very loose soil, silt, oily silt, slushy, marshy, loany, organic soil, sea shell and flat mica particles with zero present air void in unhygienic & insanitary conditions in under water and not under water deploying earth moving machinery with suitable floats buoys barge/ hydraulic excavator & other mechanical devices including the cost of hire charges for machinery, with cost of skilled operators with helper & cleaners for the entire operations to reach the banks in which the removed silt & sludge has to be dumped over either one of the rivers / canals / channels/odai/ nullas / drains/floods bowls / tanks / reservoirs etc, bank whichever is convenient as per the prevailing site conditions for easy conveyance and including jungle clearance etc., complete complying with standard specification and as directed by the departmental officer. (Rate excluding conveyance to dumping yard or low lying area)

Conveyance by roads in plains 0 to 10 km including Loading unloading and transportation charges etc., complete complying with standard specification and as directed by the departmental officer.

Providing and placing in position of plain Cement concrete of grade M15 using hard 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 15 N/mm2 at 28days) including dewatering the placement site by bailing/pumping and by diverting wherever necessary; laying the concrete in layers of various thickness 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 as directed by the Engineer in charge of works and as per the technical specifications.

Providing and placing in position of plain Cement concrete of grade M10 using hard 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 various thickness and in bays; 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 etc., complete as directed by the Engineer in charge of works and as per the technical specifications.(Without Vibration).

Providing and placing in position of plain Cement concrete of grade M15 using hard well graded aggregates with the nominal maximum size of coarse aggregate of 40mm (60%) and 20mm (40%); weigh batching the ingredients and mixing in approved mixers/batching plant (to produce concrete of the specified characteristic strength of 15 N/mm2 at 28days) including dewatering the placement site by bailing/pumping and by diverting wherever necessary; laying the concrete in layers of various thickness 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 as directed by the Engineer in charge of works and as per the technical specifications.

Below Ground level 1.50 m depth to Above Ground Level 1.00 m

Above 1.00 m height and upto 4.50 m height Above Ground level

Providing and placing in position of Plain Cement Concrete of grade M 20 using hard well graded aggregates with 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 20N/mm2 at 28days) including dewatering of placement site by bailing/pumping and by diverting wherever necessary laying the concrete in layers of various thickness and in bays, compacting and finishing, adequate water curing so as to attain the profile and strength specified in the approved drawing and specifications etc, complete as directed by the Engineer in charge of works and as per the technical specifications

Without Vibration

Above Ground Level 1.00 m to Above Ground Level 4.50 m (With Vibration)

Providing and laying in position, standardised Reinforced Concrete Mix M-20 Grade in Accordance with IS:456-2000 using 20mm and down graded hard granite stone jelly for all RCC items of works with minimum cement content of 325 Kg/m3 and maximum water cement ratio of 0.55, of 20mm machine curshed stone jelly and with about (3.3 Cu.m) 5156Kg.of 10-12mm Machine crushed stone jelly and with about (4.79 Cu.m) 7670Kg. of M sand, but excluding cost of reinforement grill and fabricating charges, centering and shuttering and also including laying, vibrating with mechanical vibrators, finishing, curing, etc. complete complying with standard specification and as directed by the departmental officers. The Coarse and fine aggregates to be used should comply with th requirement of IS Standards.

Below Ground level 1.50 m depth to Above Ground Level 1.00 m

Above Ground Level 1.00 m height and upto 4.50 m height Above Ground Level

Supplying and Erecting water tight steel centering for sides and soffits including necessary supports and shuttering including strutting for all R.C.C. works etc up to 3.29 m height with all cross bracings using mild steel BG 10 sheets of size 90cm x 60cm gauge stiffened with welded mild steel angles of size 25x25x3mm for boarding laid over silver oak (country wood) joist of size 10cm x 6.5cm spaced at about 90cm centre to centre and suitably supported by casuarina props of 10cm to 13cm dia spaced at 75cm centre to centre, including cost of materials etc., complete complying with standard specification and as directed by the Departmental officers. The payment for centering shall be given after the concrete is laid and the retrieved materials should be taken back by the contractor.

Without Strutting

With Strutting

Supplying, fabricating and placing in position of RTS or MS reinforcement for all reinforced cement concrete works including cost of steel rods of all sizes including binding wires and labour charges for decoiling, cutting, bending and tying the grills in position etc., complete complying with standard specification and as directed by the departmental officers.

Providing construction contraction and lift joins in masonry concrete including curring, jointing and placing mastic pad of 20mm thick with mastic filling as specified in the drawings directed by the engineer in charge of work etc complete complying with standard specification as directed by the departmental officers

Drilling holes 50mm dia in existing body wall for placing anchor rods etc., complete complying with standard specification as directed by the departmental officers

Grouting the holes of 50mm dia with w/c ratio of 0.33 in the existing anicut body wall provided at a sapcing of 80 cm c/c in a staggered manner in the verticla surface for fixing anchor rod of 12 mm RTS of 1m length in a such position that 15 cm length embeded into the masonry wall at a downward inclinations of 5 degree to horizontal and 35 cm length projected and bend out side the wall including cleaning the drilled hole fixing the rod and other incidental charges etc., complete complying with standard specification as directed by the departmental officers

Supplying providing and fixing chain link fencing 2" x 2" using 10 gauge galvanised iron wire mesh of size 2.0 x 1.50m over PCC wall which is stiffened by horizontal MS flat (double flats) of size 30mm width x 6mm and fixed to MS ISA 75x75x8 mm of height 2.00m c/c and fixed on the concrete wall and welded to angles at site as directed by the departmental officer. the rate including welding, fixing, painting etc complete complying with standard specification and as directed by the departmental officers.

Fabricating, Supplying and erection of Screw gearing steel shutters of size above 1.00 m and upto 2.00m width consist of skin plate made out of 8mm thick mild steel plate and horizontally stiffened with 100x50mm 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 with 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 equipment. Erecting the new shutter and the shuttering arrangements in the vent in proper position by using necessary hoisting equipment. The shutter shall be 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 for all equipment required conveying the dismantled materials to the section stores, cost of petty civil works, trial operation of shutter and warranty for 5 years etc.,complete.

Fabricating, supplying and fixing of Shutter Groove Angle made up of 65x65x6mm Mild Steel angle for required height including welding hold fast of size 25x25x6mm Mild steel angle 2 Nos on both sides and conveying and leading the groove angle to the vents. Fixing the angle to the grooves in proper 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 warranty for 5 years etc., complete

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