Rehabilitation of Periya Aruvi Reservoir and its feeding tanks in Kesampatti village in Melur Taluk of Madurai District

Clearing Juliflora jungle without uprooting and disposing off the same etc., complete complying with standard specification and as directed by the departmental officer.

Dismantling clearing away and carefully stacking materials useful for reuse for any thickness of walls of Brick / Stone masonry in cement mortar walls under 3 m high etc., complete complying with standard specification and as directed by the Engineer in charge of work.

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)

Earthwork in all soils except hard rock requiring blasting and conveying for formation of bund with lead of 1 KMCT deploying earth moving machineries and tippers including benching, formation of bunds, breaking clods, sectioning etc., complete in layers of suitable thickness, depending upon type of compaction equipment deployed and not exceeding 23cm thickness, benching of slopes prior to placement of earth fill, sectioning extra watering to OMC and compaction of each layers to 95% of proctor density through deployment of appropriate compaction equipment (8-10 ton) vibratory power roller/short width (+ 0.90 M width drum) power roller or vibratory power roller/fuel-operated or electrical operated vibratory plate compactors ensuring compaction of designed bund section as per specifications etc., complete as directed by the Engineer-in-charge of work.

Earth work deploying earth moving machinery for desilting channel and forming bund on either side and depositing the earth on banks including jungle clearance etc., complete complying with standard specification and as directed by the departmental officer. Having width of 3m -10m

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 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 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 1.50 m depth and upto 1.00 m height from the ground level)

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 to 1.00 m Above Ground Level

Above Ground Level 1.00 m to 4.50 m Above Ground Level

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 20mm 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 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.

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

Above G.L. Height upto 3.29 m 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.

Refilling with excavated earth (other than sand) with all leads and lifts for filling the cut open wherever necessary in layers including breaking clods, watering and compaction using power roller to at least 95 % of Procter density at OMC in each layer and sectioning etc., complete complying with standard specification and as directed by the Engineer in charge of work.

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

Fabricating, Supplying and erection of Screw gearing steel shutters of size above upto 1.00 m width consist shutters of skin plate made out of 8mm thick mild steel plate and horizontally stiffened with 65x65x6mm mild steel Angle 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 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 100x100x10mm Mild Steel angle for required height including welding hold fast of size 40x40x6mm 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 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.

Fabrication, 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 Serew 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 warranty for 5 years ete., complete Screw Rod 80mm Dia

Providing new 3T capacity worm gear box assembly consist of cast iron top and bottom plates, worm nut made up of pig iron, worm shaft made up of EN8 steel rod and two numbers of thrust bearings. The top and bottom plates machined to suit the worm nut and shaft. The worm nut threaded inside to suit the 80mm dia screw rod and the outer side formed with helical teeth cutting to suit the worm shaft. The worm shaft machined to the required shape and size and provided with helical teeth to suit with the worm nut.The assembly fixed with two numbers of thrust bearing one on top and another on bottom of the worm nut and fastened with required bolt and nuts. The operating key made with 80mm square rod shaping with wire cutting machine and welded with operating handle made up of 32mm dia steel rod for required length. The gear box is to be rest on the top of MS stand made up of 75x75x8mm MS angle and the top covered with 16mm thick MS plate and the stand fixed on the 150x75mm MS channel fixed over top of the beams in platform. The gear box align with the screw rod and fixed with required bolts nuts etc., complete and as directed by the departmental officers. Painting the hoisting arrangements with two coat of aluminium oxide paint over two coat of zinc rich primer The rate including cost of worm gear, cost of all materials required, labour charges, process charges like gas cutting, welding, machining, milling, labour charges for dismantling, loading, lifting, unloading, transport, erection, charges for equipment’s like derrick, chain pulley block, conveyance charges of to and fro of equipment’s and labours to the site including cost of trial operation of the Shutter, inclusive of all taxes, etc., complete and as directed by the departmental officers and warranty for 5years etc., complete .

Random Rubble Masonry in C.M 1:4 (One cement and four sand) using old hard granite wedged split stones including providing new bond stones wherever necessary including simultaneous flush with simultaneous pointing of the exposed surface above ground level with the same mortar and all incidental charges such as scaffolding, finishing, curing etc., complete complying with the standard specification and as directed by the Engineer in charge of the works.

Random Rubble Masonry in C.M 1:4 (One cement and four sand) using new hard granite wedged split stones including providing new bond stones wherever necessary including simultaneous flush with simultaneous pointing of the exposed surface above ground level with the same mortar and all incidental charges such as scaffolding, finishing, curing etc., complete complying with the standard specification and as directed by the Engineer in charge of the works.

Plastering in cement mortar 1:4, 20mm thick mixing by manual including curing, finishing etc. complete complying with standard specification as directed by the departmental officers at site.

Providing cut stone roughly dressed and set in cement morter 1:3 (one cement and three sand ) including fixing in position etc complete as directed by the Engineer in charge of work complying with the standard specification

Supplying, hoisting, laying and fixing in position of RCC hume pipes NP3 class of 900mm dia with suitable collars including labour and jointing materials etc., complete complying with the standard specification and as directed by the Engineer in charge of the works.

Fabricating and supply of country wood plug size of 40 x 40cm and 45 cm to 60 cm height. The plug rod with 20 mm dia mild steel rod size of 3.0 m to 4.50 m height, The plug top side, middle, centre and bottom side covered iron strap - 3 nos. Plate thickness size 3 mm steel plate. The plug hole size 10 cm to 25 cm dia. etc., including cost of rod , wrought and put up and fixing in correct alignment in position. The plug painted with two coats of Varnish, the rod painted with two coats of best anti-corrosive paint and conveyance to the work site including loading, unloading. The rates should be inclusive of all taxes and duties and including fixing charges etc. complete complying specification and as directed by the Engineer.

Providing construction contraction and lift joints in concrete including placing mastic/Tar pad of 20mm thick (1.04 kg of asphalt and 1.00 m2 mastic pad required for 1 Rmt.) at vertical joints in side of wall in required size as specified in the drawings and specification etc., Complete complying with standard specification and as directed by the by the Engineer in charge of work.

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