Rehabilitation of Alankulam Tank at Maharajapuram Village of Watrap Taluk in Virudhunagar District.

Amount

Clearing the light jungle 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 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.

Earth work deploying earth moving machineries for desilting channel and forming bund on either side depositing the earth on banks including jungle clearence etc., complete complying with standard specification and as directed by the Departmental Officers. (Having width 3m to 10m)

Earth work excavating and dopositting on bank with intial lead of 10 m & intial lift of 2m in hard stiff clay, stiff black cotton, hard red earth, shales, murram, gravel, stoney earth and earth mixed with small size boulders etc., complete complying with standard specification and as directed the Engineer in charge of work. 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.)

Supplying and filling with CS sand of each layer not more than 15 cm thick including consolidation etc complete and as per the technical specifications directed by the Engineer in charge of the works For sluices, weirs sand retainig wall etc., complete complying with standard specification and as directed by the Departmental Officers.

Cement concrete of grade M15 using hard broken aggregate of maximum nominal size of 40mm and down grade to I.S specified grading, mixed in mixer machine including dewatering the placement site, laying the concrete in layers and in bays, vibrating, compacting and finishing the surface with all leads and lifts, watering, curing complete to attain the profile and strength as specified in the drawings and specification for various depths and heights below and above ground level complete as directed by the Engineer complying with specification.

Cement Concrete of graded M15 using 60% of new stone (Departmental stone) maximum nominal size of 40mm and 40% of 20mm down grade to I.S specified grading, mixed in mixer machine including dewatering the placement site, laying the concrete in layers and in bays, vibrating, compacting and finishing the surface with all leads and lifts, watering, curing complete to attain the profile and strength as specified in the drawings and specification for various depths and heights below and above ground level complete as directed by the Engineer complying with specification.

Supplying and erecting water tight steel centering for sides and soffits including supports and strutting upto 3.29 M height for plain surface such as RCC slab, vertical slabs, side slabs of RCC works with all cross bracings using mild steel B.G. 10 gauge sheets of size 90cmx60 cmx 10 gauge stiffend with welded mils dteel angels of size 25mmx25mmx3mm for boarding laid over silver oak (country wood) joists of size 10 cmx6.5 spaced at about 90 cm centre to centre and supported by casurina props of 10 cm to 13 cm dia spaced at 75 cm centre to centre etc; complete complying with standard specification and as directed by the Engineer incharge of work (The retrieved materials should be taken back by the contractor). The payment should be made after the concrete is laid.

Without Strutting

With Strutting

Providing Steel centring for RCC Slabs, beams or plain surfaces including strutting upto 1.00 m high using MS sheets, 10 guage thick of size 90cm x 60cm, Stiffened with Ms angles of size 25mm x 25mm x 3mm laid over silver oak joists of size 10 cm x 6.5 cm spaced at 90 cm c/c and supported by casurina props of 10 cm to 13cm dia spaced at 75 cm c/c and removing the centring and shuttering after specified period without damaging the concrete laid, etc., complete complying with standard specification and as directed by the Departmental Officers. (For Retaining walls and Sluices) With strutting for field bothies

Supplying, fabricating and placing in position of HSD (high Yield 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 specification and as directed by the Departmental Officers. (Specification No.9.1 to 9.12.1) cutting, bending and tying the grills complete complying with standard specification. Steel and binding wire will be at the contractor's own cost.

Providing and placing in position of plain Cement concrete of grade M20 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 20 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; 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. without vibration Wearing coat Sluice & Weir) (with out vibration)

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

Drilling holes 50mm dia in existing wall for placing anchor rods etc. complete

Grouting the holes of 50mm dia with w/c ratio of 0.33 in the existing anicut body wall provided at a spacing of 80 cm c/c in a staggered manner in the vertical surface for fixing anchor rod of 16 mm dia RTS of 1m length in a such position that 60 cm length embeded into the masonry wall at a downward inclinations of 5 degree to horizontal and 40 cm length projected and bend out side the wall including cleaning the drilled hole fixing the rod and other incidential charges etc.

Fabricating,Supplying and erection of Screw gearing steel shutters of size above 1.00 m and upto 2.00m width consist of skin plate made out of 8mm thick mild steel plate and horizontally stiffened with 100x50mm mild steel channel 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 thick 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.

Chipping of concrete & roughening the surface

Plastering with Cement Mortar 1:4 (One cement and Four sand), 20mm thick in all floors including curing etc. complete complying with standard specification and as directed by the departmental officers.

Providing and fixing weep holes of 110mm dia pvc pipes of working pressure 4kg/m2 to a required length for protection wall, abutment and wing wall including cost of conveyance of all materials to work site including cost of labour charges for 90cm spherical back fill arrangements with 110mm dia and 20mm size hard granite broken stone charges at the peripery, the labour charges for fixing and to drain the back fill etc., complete complying with the standard specifications and as directed by the departmental officers.

M.SHANMUGAVEL CONTRACTOR (BID ID -1365564)

vetri shutters (BID ID -1365727)