Rehabilitation of Vallampatti Tank in Panayadipatti Village of Vembakottai Taluk in Virudhunagar District.

Amount

Clearing Juliflora jungle without uprooting and disposing of the same as directed by the Engineer in charge of the works and as per technical specification.

Earthwork in all soils except hard rock requiring blasting and conveying earth by deploying earth moving machinery and tippers for formation of bund with a lead of 1km in layers of suitable thickness, depending upon type of compaction equipment, and not exceeding 25 cm thickness, benching of slopes prior to placement of earth fill, breaking clods, watering to OMC (Optimum moisture content) and compaction of each layer to 95% Proctor density through deployment of appropriate compaction equipment (8-10 T power roller / vibratory power roller / short width (+/- 0.90n width drum) power roller or vibratory power roller / fuel-operated or electrically operated vibratory plate compactors, ensuring compaction of designed bund section and also ensuring compaction of earth fill and side slopes through the deployment of hydraulic excavators with steel plate fixtures attached to their booms/ heavy power rollers capable of including 11/2(H):1(V) slope including side slopes as directed by the engineer in charge of works and as per technical specifications.with a lead of 1km

Supplying 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 10 mm RTS main rod to a length of 1.325 M, using 8 mm MS 10 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 M10 concrete using hard blue granite broken stone of 40mm , complete as directed by the Engineer in charge of works and as per the technical specifications.

Earthwork excavating and depositing bank with an initial lead of 10m. and initial lift of 2m in sand , silt or orher loose soil , wet soil or silt not under water , light black cotton soil , sandy loam and ordinary soil including excavated earth etc complete as directed by the Engineer in charge of works and as per the technical specifications. (SS 20B)

Earth work Excavaction for foundation in hard stiff clay,stiff black cotton soil, Hard red earth, shales, murrams, gravel, stoney earth and earth mixed small size blouders and hard grvelly soil depositing on bank including shoring strutting and bailing out water wherever necessary, well rammed consolidated and deposting the surplus earth in places as shown by the depar tmental offices with an initial lead of 10metres and initial left of 2 metres and clearing, levelling the site etc., complying with standard specification and as directed by the departmental officers. without narrow cutting

Providing and placing Plain Cement Concrete M 15 grade using well graded aggregates of nominal maximum size of 40mm and downgraded to I.S specified grading ( To achieve the specified charaterstics strength of 10N/mm² in 28 days ) and mixing the ingredients in approved mixer including dewatering of the placement site by bailling / pumbing and diverting wharever necessary, placing concrete in layers, watering, curing, finishing the surface with all leads and lifts etc., complete as directed by the Engineer in charge of works and as per the technical specifications. (with out vibration)

Supplying and erecting water tight steel centering for sides and soffits including necessary supports and shuttering including strutting for retaining wall and all RCC works such as column, footing, plinth beam, etc., upto 3.29m height and all cross bracings using mild steel BG 10 sheets of size 90cm x 60cm gauge stiffeded with welded mild steel angles of size 25x25x3mm for boarding laid over silver oak ( country wood ) joits of size 10x6.5cm spaced at about 90cm centre to centre and suitably supported by casurina props of 10cm to 13cm dia spaced at 75cm centre to centre including cost of materials etc., complete complying with standard specification as directed by the departmental officers the payment for centering shall be given after the concrete is laid and the retrived materials should be taken back the contractor.with strutting

Providing and placing Reinforced Cement oncrete M 20 grade (1:1½:2) 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 and in bays, Vibrating, 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, fabricating and placing in position of HYSD ( High Yeild Strength ) bars for all reinforced cement concrete works including cost of binding wire, steel rods, conveyance charges and labour charges etc., complete, complying with standard specifications and as directed by the Engineer in charge of work

Plastering with cement mortar 1:4 (One cement and four sand ) 20 mm thick - 10m2 including curing, finishing etc., complete complying with the standard specification

Pointing with Cement Mortar 1:3 ( one cement and three sand ) using 20 mm deep including curing and finishing etc complete complying with std specification

Drilling holes in hard granite 32mm diameter complying with standard specification

Grouting the holes of 32mm dia with CM 1:2 w/c ratio of 0.33 in the existing weir/anicut body wall provided at a spacing of 80cm c/c in a staggered manner in the vertical surface for fixing the anchor rod of 20mm dia. RTS rod of 1m long in such position that 60cm length embedded into the masonry wall at a down ward inclination of 5 degree with horizontal and 40cm length projected and bend outside the wall including clearing the drilled hole, fixing the rod and other incidental charges etc., complete complying with standard specification.

Fabrication, Supply and erection of Screw Gearing Steel Shutter of following size, made out of 8mm thick Mild steel plates and 65x65x6mm Mild steel Channels for outer frame with each 1 No of vertical and horizontal stiffeners at equal spacing made out of same section and 8mm mild steel plate for Gusset plate 2Nos, size 0.30x0.23m with required bolts and nuts and shutter Groove Angle made out of 100x100x10mm Mild steel angle with steel angle 3Nos and screw rod 50mm dia mild steel Round Rod duly machined and fully threaded to suit the capstan Head Assembly with required bolt and nut and Top beam made out 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 0.9m with necessary Fish Plate made out of 12mm Mild Steel plate of size 0.23x0.30m, 2 Nos and the cast Iron Head Set Assembly medium duty with hexagonal nut (approximate 50kg) duly machined with nut, threading to suit the screw rod with including cost of ball bearing for smooth operation cost of grease, one coat of Anticorrosive black paint over the one coat Red oxide primer etc., The cost shall include required handle for shutter operation and conveying loading and unloading charges including petty civil work and trail operation etc., complete.

Dismantling, clearing away and carefully stacking materials useful for reuse any thicknees of walls Brick / Stone masnory in cement mortar walls under 3m (three) High complying with standard specification and as directed by the Engineer.

Dismantling,clearing away and carefully stacking material useful for reuse for any thickness Plain cement concrete complying with standard specification and as directed by the Engineer.

Refilling the excavated soil (other than sand) complying with standard specification for filling in foundation and basement.

Suppling and filling with sand for filling in layers of not more than 15cm thick well rammed with water complying with standard specification and as directed by the departmental officers.

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 not exceeding 15 cm 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 etc., complete complying with standard specification and as directed by the Departmental Officers. with vibration(SS20B)

Providing and placing Plain Cement oncrete M 20 grade (1:1½:3) using crusher broken hard coarse aggregate (well graded) of nominal maximum size of 20mm and downgraded to I.S specified grading (To achieve the specified characteristic strength of 20N/mm2 in 28 days) and mixing the ingredients in approved mixer including dewatering of the placement site by baling / pumping and diverting wherever necessary, placing concrete in layers and vibrating, water curing, finishing the surface with all leads and lifts etc., complete as directed by the Engineer in charge of works and as per the technical specifications.

Supplying, Laying, Jointing and fixing in position of R.C.C. Hume pipes of NP 3 class of 9000mm. Dia with suitable collars including labour charges and jointing materials, etc., complete complying with standard specification and as directed by the departmental officers.complying with standard specification and as directed by the departmental officers

Random rubble masonry in Cement mortar 1:4 (One cement and four sand) using new hard granite stones and bond stones including simultaneous pointing of the exposed surface with same mortar and all incidental charges such as bailing out water, curing, finishing complying with standard specification.SS 35 H

Supplying and fixing new cut stone fully dressed to size all faces and set in cement mortar 1:3 (One cement and three sand by volume) mixed mechanically in approved mixer) including all incidental charges such as finishing, curing etc., complete complying with standard specification and as directed by the Departmental Officers

Providing and fixing best country wood plug with 50mm dia MS screw gearing rod 3.0m height support on 2 Nos. ISMB 125 RJ Joists of 1.80m length and guide beam 1 No. of the same size resting in turn of MS base plate of 50 X 30 mm size 6 mm thick with cast iron hexagonal head set and a collar plate of 300 X 300 X 6 mm thick fixed with necessary bolts and nuts and other fixture etc, complete complying with standard specifications and as directed by the departmental officers

Supplying,erecting steel centering for sides and soffits including necessary and struting for plane surface in all floors supports with all cross bracing using MS sheets of size 90 x 60 cm 10 BG stiffened with welded MS angles of size 25 x 25 x3mm for boarding laid over silver oak joists of size 10cmx6.5cm spaced at about 90 cm c/c and supported by casurina props of 10 to 13 cm dia spaced at not more then 75 cm c/c etc,complet complying with standard specification

Providing and laying in position of Standardised Concrete Mix M20 in accordance with IS 456-2000 using 20 mm down graded hard broken granite stone jelly for all RCC items of works with minimum cement concrete of 325 kg/m3 and maximum water cement ratio of 0.55 with about (5 cum) 7730 kg of 20 mm machine crushed stone jelly and with about (3.30 cum) 5156 kg of 10 - 12 mm machine crushed stone jelly and with about (4.79 cum) 7670 kg of sand 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 and in bays, Vibrating, compacting and finishing the surface water curing so as to attain the profile and strength specified in the approved drawing and specification and excluding the cost component of providing rigid and smooth centering and shuttering wherever necessary for various depths below ground level and various heights above ground level as per the direction of the Engineer complete in all respect but excluding the cost and placing of reinforced grill in position complying with standard specification

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 having width of 3 to 10m

KASTHURI SUBBAREDDIAR (BID ID -1364249)

MS.RAJKAMAL CONTRACTORS (BID ID -1365189)