Standardisation and Rehabilitation of Koramadai Tank in Erudhikonpatti H/o. Adhanur Village of Kadavur Taluk in Karur District

Amount

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.

Clearing Light jungle etc.., complete complying with standard specification and as directed by the departmental officers.

Earthwork excavation for foundation in all kind of soils and sub soils to full depth except hardrock,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 15cm thick well rammed and compacted and depositing the surplus excavated earth in places shown by the departmental officers with initial lead of 10 meters and initial lift of 2 meters clearing and levelling the site complete complying with standard specifications and as directed by the Departmental Engineers. (Narrow excavation)

Dismantling, 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 as directed by the Departmental Engineers

Dismantling, clearing away and carefully stacking materials useful for re-use for any old plain cement concrete etc., complete complying with standard specifications and as directed by the departmental officers.

Earth work excavating for foundation in all soils and sub soils and to full depth as may be directed except in rock requiring blasting inclusive of shoring shuttering , bailing out water wherever necessary and depositing the surplus earth within the compound in places shown by the departmental officers with an initial lead of 10mts and initial lift of 2mts and clearing and leveling the site, etc., complete complying with standard specification as directed by the Departmental Engineers (Narrow Excavation)

Earth work open well excavation complying with relevant clauses of T.N.D.S.S. Well sinking and with lead upto 10 metre in sand, silt or other loose soil, Wet sand or silt not under water, light black cotton soil, sandy loam and ordinary soil - First depth of 2 metre.etc., complete complying with standard specification as directed by the Departmental Engineers

Providing and placing Plain cement concrete M10 grade using crushed broken hard granite course aggregate (well Graded) of Nominal maximum size of 40mm to Ls specified grading (to achieve the specified characteristicik strength of 10N /mm2 in 28 days) and mixing the ingredients in approved mixer including dewatering of the placement site by baling (pumping and dewatering wherever necess eng placing in layers and vibrating water curing finishing hte surface with all leades and lifts etc. complete complying with Standard Specifications and as directed by the Departmental Engineers.

Providing and placing Plain Cement concrete M15 grade using crusher broken ard granite course ageregate (well graded) of nominal maximum size of 40% of 20mm and 60% of 40 mm down graded to IS specified grading (to achieve the specified characteristic strength of 15N/mm2 in 28 days) 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 and strength specified in the approved drawing and specifications etc., complete complying with standard specifications and as directed by the Departmental Officers

Ground Level and upto 1.50m

Below Ground Level 1.50m to 4.50m

Above Ground Level Upto 4.50m

Reinforced cement concrete M20 (one cement One and half sand and three aggregate) using well graded hard aggregates and nominal coarse aggregate of 12mm downgrade weigh batching the ingredients and mixing in approved mixers/ pumping and by diverting wherver necessary laying the concrete in layers and in bays vibrating, compactiong and finishing the surface water curing so as to attain the profile and strength specified in the approved drawing and specification for various depth below ground level and various heights above ground level excluding the cost and placing in position of reinforcement grill etc.., complete complying with standard specification as directed by the departmental officers.

Supplying and fixing of cut stone in cement mortar 1:3 ( One Cement and three sand) etc., complete complying with standard specifications and as directed by the Departmental Officers

Supplying and erection of steel centering for sides and soffits with strutting up to 3m height for plain surface with all cross bracings using Mild Steel sheets of size 90cm. X 60cm. 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 joists of size 10cmX 6.5cm spaced at 90cm. Centre to centre and supported by casuarina props of 10 to 13cm dia (spaced at 75cm) Centre to centre etc. complete complying with Standard Specifications and as directed by the Departmental Engineers.

Centering without strutting Below ground level

Above Ground Level

Supplying fabricating and placing in position of Mild Steel (MS) or Ribbed Tor Steel (RTS) of grills for all R C C works including cost of steel, binding wire and labour charges for decoiling cutting, bending and tying the grills etc. complete complying with standard specifications and as directed by the Departmental Engineers.

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 specifications and as directed by the Departmental Engineers.

Supplying and fixing of Head Set Assembly Light duty with hexagonal nut (Approximate 50 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 free bolts and nuts in proper alignment including dismantling the existing damaged 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 fixing of 50mm 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.

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 complying with standard specification and as directed by the departmental officers.

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.

Refilling with excavated soil (Other than sand) and Watering and cosolidation with hand roller complying with standard specification for filling in foundation in basement etc. complete complying with Standard Specifications and as directed by the Departmental Engineers

Earth work in all soils except hard rock requiring blasting and conveying for formation of bund with lead of 400 metre deploying earth moving machineries and tippers including benching, formation of bunds, breaking clods, sectioning etc. complete complying with Standard Specifications and as directed by the Departmental Engineers

Supplying and spreading gravel on the top of bund for a consolidated thickness of 150mm in two layers of 75mm thick including stacking the same for premeasurements, spreading, watering, consolidation by power roller and well compacted etc., complete complying with standard specifications and as directed by the Departmental Engineers.

Supplying and filling loose boulders of Size more than 300mm and weight more than 40kg in U/S and D/S apron using including conveyance, cost of materials etc.., complete complying with standard specification and as directed by the departmental officers.

Supplying and packing of gravel on the slope of the bund etc., complete complying with standard specifications and as directed by the Departmental Engineers.

Casting of precast cement concrete slabs of size 30 x 30 x 15 Cm in Plain Cement Concrete of mix 1:2:4 (One cement, Two sand and Four aggregate) using 20mm size hard broken stone jelly and mixing the concrete and laying the concrete in steel moulds after oiling them properly at casting yard and vibrating finishing the top surface smoothly placing the slab along with the mould and base plate in the casting year, removing the mould carefully after initial setting, placing, the slab in the curing bond after 24 hours from the time of casting, removing, them from the curing, pond after 7 days of curing, stacking them in the stacking yard with in a lead of 100m and curing them from the full period by sprinkling water as directed by the Departmental Officers. Then conveying the precast Cement concrete slabs from the casting yard as specified in the leads statement to the work site including all charges such as for loading at casting yard, conveying the slabs and unloading to the work site and laying the precast cc slabs in the slope of the canal / river to the correct alignment and section of the canal / river with joints not exceeding 6mm, packing with Cement mortar 1:3 (One cement and Three sand) and doing simultaneous flush pointing with the same mortar to full depth of slabs and finishing neatly and curing for 21 days as directed the Departmental Officers excluding the sleeper and the charges for laying the binders if any involved in the work complying with standard specification. Water proofing compound used in Cement Mortar etc. complete complying with Standard Specifications and as directed by the Departmental Engineers.

Formation of binder wall of Size 30cm with and 45cm depth using PCC slabs of size 30x30x15cm as per Standard specification CC Blocks (Including casting, conveyance and laying) for 1Rm etc., complete complying with standard specifications and as directed by the Departmental Engineers.

GST at 18%

N BALASUBRAMANIAN (BID ID -1460006)

K.RAJAGOPALAN AND CO (BID ID -1460196)