Rehabilitation of Muthusamypuram Tank in Atipatti Village in Sattur Taluk of Virudhunagar District.

Amount

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

Dismantling, clearing away and carefully stacking material and without disturbing nearby structure useful for reuse for any thickness of brick or stone masonry in cement Mortar walls under 3 (Three) meters high etc, complete as directed by the Engineer in charge of works and as per the technical specifications.

Dismantling, clearing away and carefully stacking material and without disturbing nearby structure useful for reuse for any thickness of Plain Cement Concrete etc, 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 Hard stiff clay, stiff black cotton soil, Hard red earth, shales, Murrams, stoney earth and earth mixed with small sized boulders and other gravelly soils SS 20B

Earth work excavation for foundation in all kinds of soils and sub soils except hard rock requiring blasting full depth as may be directed and depositing the surplus earth in places shown by the Engineer in - charge of work and leveling the same with all leads and lifts including shoring, strutting, shuttering, baling out water wherever necessary and refilling the sides of foundation with excavated earth in layers of 15cm thick well rammed and consolidated etc. complete, complying with technical specifications and drawings as directed by the Engineer in - charge of work. (Specification No.4.2.2.)

Earthwork in all soils except hard rock requiring blasting and conveying for formation of bund with lead of 0 to 100 metre deploying earth moving machineries and tippers including benching, formation of bunds, breaking clods, sectioning etc. complete including extra watering and compaction of earth fill layers to specified density of 95% of proctor density through deployment of appropriate compaction equipment (standard 8-10 ton power roller; short width drum vibratory power roller; vibratory power roller, complete complying with standard specification and as directed by the Departmental Officers.

Earthwork deploying earth moving machinaries for desilting channel and forming bund on either side and depositing the earth on banks including jungle clearence etc complete having a width of 3-10m.

Refilling with excavated earth (other than sand) with all leads and lifts for filling the open cut wherever necessary in layers including breaking clods watering and compaction using Power Roller to atleast 95% of Proctor Density at OMC in each layer and sectioning etc., as directed by the Engineer in charge of work

Suppling and filling with CS 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 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 15N/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.

Providing and placing Plain Cement oncrete M 15 grade (1:2:4) using well graded aggregates of nominal maximum size of 60% of 40mm and 40% of 20mm I.S specified grading ( To achieve the specified charaterstics strength of 15N/mm² in 28 days ) and mixing the ingredients in approved mixer including dewatering of the placement site by bailling / pumping 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.

Providing and placing Plain Cement oncrete M 15 grade (1:2:4) 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 15N/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.

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 , 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. (without 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

Without strutting

Providing rigid and smooth centering for soffits of concrete slab for plain surface including shuttering wherever necessary for various depths below ground level and various heights above ground level using MS sheets of size 90 x 60 cm and BG 10 gauge stiffened with MS Angles of size 25 x 25 x 3 mm laid over silver oak joist of size 7.5 x 5 cm, spaced at 90 cm C/C and supported by casurina props of size 10 to 13 cm dia, spaced at 75 cm C/C etc., complete as directed by the Engineer in charge of works and as per the technical specifications. (For Field Bothies)

Upto 1m height (for Field Bothies)

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 using mixer machine including all incidental charges such as finishing, curing etc., complete as directed by the Engineer in charge of works and as per technical specifications.

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 , Laying and fixing in position of R.C.C. Hume pipes of NP3 class of 900mm 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 900mm dia Hume pipe NP3

Gravel packing for apron and revetment of 15cm thick including the cost of gravel at site of work, mixing with water so as to form into stiff plastic balls and laying and finishing etc., complete complying with standard specification.

Rough stone dry packing for revetment and apron using available granite stones obtained from approved sources including the cost of new wedges for filling the gaps etc, complete as directed by the Engineer in charge of works and as per the technical specifications.

By using old stones

By using new stones

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

Earth work in all soils except hard rock requiring blasting and coveying for formation of bund with lead of 0 to 100 metre deploying earth moving machinery and tippers including benching, formation of bunds, breaking clods, sectioning etc., complete for forming of Ringbund.

S.PANDIAN (BID ID -1365022)

NARAYANA AND CO (BID ID -1365079)