Improvements to the Mavadikulam Tank in Alathur Village of Trichy East Taluk in Trichy District.

Dismantling, clearing away and carefully stacking material and without disturbing nearby structure useful for reuse for any thickness of PCC etc, complete as directed by the Engineer in charge of works and as per the technical specifications.

Earth work excavation for foundation in all kind of soils and sub soils to full depth except hard rock, medium rock, requiring blasting inclusive of shoring, strutting and bailing out water wherever necessary, refilling the sides of foundation with excavated earth in layers of not more than 15 cm thick well rammed and compacted and depositing the surplus excavated earth in places shown by the departmental officers etc., complete (Narrow Excavation)

Supplying and filling with M- sand of each layer not more than 20 cm thick including consolidation etc.., complete complying with standard specification and as directed by the departmental officers.

Providing and placing Plain cement concrete in M-10 grade using crusher broken hard granite course aggregate (well graded) of nominal maximum size of 40mm to IS specified grading (To achieve the specified characteristic strength of 10N/mm2 in 28days) and mixing the ingredients in approved mixer placing in layers, water curing, finishing the surface with all leads and lifts etc., complete complying with standard specification and as directed by the departmental officers.

Supplying and erecting steel centering for sides and soffits for plain surface with all cross bracings using Mild steel sheets of size 90cm x 60 cm. thickness of and B.G.10 stiffened with welded Mild steel angles of size 25 x 25 x 3mm for boarding, laid over country wood joints of size 10 cm x 6.5 cm spaced at 90 cm center to center and supported by casurina props of 10 to 13 cm dia (spaced at 75cm) center to center complying with standard specification and as directed by the departmental officers.,,

Below Ground Level - Without Strutting

Above Ground Level - With Strutting

Supplying and fabrication and placing in position of Mild steel (MS) or Ribbed Tor Steel (RTS) of grills for all RCC works including cost of steel, binding wire and labour charges for decoiling cutting, bending and tying the grills etc.., complete complying with standard specification and as directed by the departmental officers.

Providing and placing Plain cement concrete in M-15 grade using crusher broken hard granite course aggregate (well graded) of nominal maximum size of 20mm to IS specified grading (To achieve the specified characteristic strength of 15N/mm2 in 28days) and mixing the ingredients in approved mixer placing in layers and vibrating, water curing, finishing the surface with all leads and lifts etc., complete in all respects so as to attain the profile strength specified in the approved drawing and specifications etc., complete complying with standard specification and as directed by the departmental officers.

Providing and laying in position, standardised concrete Mix M-20 Grade by insitu machine mix concrete adopting weighing batch method in accordance with IS 456 using 20mm and down graded hard broken 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, including admixture (plasticiser / super plasticiser) in recommended proportions as per IS:9103 to accelerate, retard setting of concrete, improve workability without impairing strength and durability with about (5 Cu.m) 7730 kg. of 20mm machine crushed stone jelly and with about (3.3 Cu.m) 5156 kg. of 10-12mm machine crushed stone jelly and with about (4.79 cu.m) 7670 kg. of crushed stone sand, but excluding cost of reinforcement 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 the requirements of IS standards. (No separate payment will be made by the Department for the excess usage of materials).

Fabricating, Supplying and fixing of Top Beam made up of 150x75mm (ISMB 150) duly drilled to suit the Head Set Assembly with required bed bolt made out of 25mm mild steel round rod duly threaded with suitable anchorage arrangements to a height of 0.60m with necessary Fish plate made out of 12mm mild steel plate of size 0.30 x 0.15m 2Nos with required holes. Conveying and leading the top beam arrangements to the work site. Fixing the top beam arrangements at the top of the vent in correct position including dismantling the existing eroded top beam, conveying and stacking and the section stores. 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 warranty for 5 years etc.., complete complying with standard specification and as directed by the departmental officers.

Fabricating, supplying and fixing of 63mm 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 warranty for 5 years etc.., complete complying with standard specification and as directed by the departmental officers.

Supplying and fixing of Head Set Assembly medium duty with hexagonal nut (Approximate 70 Kg) made up of cast iron including moulding, machining and the hexagonal nut threaded to suit the Screw Rod provided with thrust bearings 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 rust fre bolts and nuts in proper alignment including dismantling the existing damaged Head set assembly, conveying and stacking at sectio 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 labours and materials and warranty for 5 years 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 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 complying with standard specification and as directed by the departmental officers.

Earth work excavation deploying earth moving machineries for desilting channel having a width of more than 10m 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 officers.

Earth work in all soils except hard rock requiring blasting and conveying for formation of bund with lead of 0 to 100 metre with additional lead of 200 metre by deploying earth moving machineries and tippers including benching, formation of bunds, breaking clods, sectioning etc..,complete complying with standard specification and as directed by the departmental officers.

Dewatering using 5HP diesal Engine pumped inlcuding hire charges cost of diesal Engine oil, pump operator, labour charges conveyance of pumpset and fuel to site and back loading and unloading anyother inciditial charges etc.., complete complying with standard specification and as directed by the departmental officers.

Clearing the Juliflora with uprooting destroying them effectively as directed by the departmental officers etc., complete complying with standard specification and as directed by the departmental officers.

Providing jeddy stone revetment for launching apron using new stones of size more than 300 mm thick and the weight of stone not less than 40 Kg for jeddy stone revetment etc., complete as per standard specification and as directed by the departmental officers.

Removal of silt, blockages, like weeds vegetation, water hyacinth (Aahaya thamarai) and other floating materials etc., and rehandling, depositing on the bank the accumulated silt, weeds, vegetation, water hyacinth (Aahaya thamarai) and other floating materials from the center portion not accessible to usual earth moving machinery, being mounted over float platform including hire charges for float platform, poclain, also inclusive of skilled labour for assisting at certain critical rooks and corners - the removal of silt, blockages, like weeds vegetation, water hyacinth (Aahaya thamarai) and other floating materials dumped on the bank side of canal, river and pond like swamp area for drying and other related works as directed by the departmental officers.

Supplying and Laying of TAMIN Interlocking Paver block stone 60mm thick over a base layer of crushed stone sand filling including cost of materials laying and Labour charges etc complete complying with the standard specification and as directed by the departmental officers.

GST at 18%

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