Rehabilitation of Eraniel Branch channel and its distributories in Kalkulam taluk of Kanyakumari District

Amount

Clearing Scrub jungle and effectively destroying the same as directed by the Engineer complying with standard specification.

Earth work excavating and depositing on bank with an initial lead of 10 m and initial lift of 2 m in hard stiff clay, stiff black cotton, Hard red earth, shales, murram, garvel, stoney earth and earth mixed with with small size boulders and hard gravelly soil open excavation and as directed by the Departmental officers compling with standard specification.

Earthwork excavation for foundation in hard stiff clay, Stiff black cotton, hard earth, shale, murum, gravel, stony earth and earth mixed with small sized boulders and hard gravelly soil and to full depth as may be directed including refilling the sides of foundation with excavated earth in layers of not more than 15cm thick well rammed, consolidated and depositing the surplus earth in places as shown by the departmental officers with an initial lead of 10 (ten) metres and inital lift of 2 (Two) metres and clearing, leveling the site etc. complete complying with standard specification and as directed by the Engineer incharge of work. (SS20B)

Earth work in all kind of soils except hard rock requiring blasting and conveying for formation of bund with a lead of 5 KMMR deploying earth moving machinery and tippers including benching, formation of bunds, breaking clods, sectioning, spreading the earth at site in layers of not exceeding 250mm in thickness.

Providing and placing in position of Plain Cement concrete of M-10 using broken hard granite coarse aggregate (well graded) of nominal maximum size of 40mm and down graded to IS specified using crushed stone sand(m-sand) ( to achieve the specified characteristic strength of 10 N / mm² in 28days ) and mixing the incredients in approved mixer including dewatering of the placement site bybaling/pumping and diverting wherever necessary placing in layers and watering, curing, finishing the surface with all leads and lifts etc., complete in all respects so as to attain the profile and strength as specified in the approved drawings and specification etc., complete complying with standard specifications and as directed by the Engineer incharge of work.

Supplying and erecting water tight steel centering for sides and soffits including necessary supports and strutting upto 3.29 m hight for plain surfaces such as R.C.C.slabs, vertical slabs, side slabs of R.C.C. works with all cross bracings using mild steel B.G.10 gauge sheets of size 90cm x 60cm stiffened with welded mild steel angles of size 25mm x 25mm x 3mm for boarding laid over silver oak (country wood) joists of size 10cm x6.5cm spaced at about 90cm centre to centre and supported by casurina props of 10cm to 13cm dia spaced at 75cm centre to centre etc., complete complying with standard specification and as directed by the departmental officers. (The retrieved materials should be taken back by the contractor). The payment should be made after the concrete is laid. SS 30

For Without strutting (Up to 1m height)

For With Strutting Up to 3.29 M height

Providing and placing in position Plain Cement concrete of mix M-15 Graded mix using broken hardgranite coarse aggregate (well graded) 60% of nominal maximum size of 40mm metal and 40% of nominal maximum size of 20mm and down graded to I.S. specified grading using crushed stone sand(m-sand) (to achieve the specified characteristic strength of 15N/mm² in 28 days ) and mixing the ingredients in approved mixture including dewtering of the placement site by baling / pumping and diverting wherever necessary placing in layers and vibrating, watering, curing, finishing this surface with all leads and lifts etc., complete in all respects so as to attain the profile and strength as specified in the approved drawings and specifications etc., complete complying with standard specification and as directed by the Engineer in charge of work.

Upto 1.50m height below and 1.00m above ground level

1.00m to 5.50m above ground level

Gravel packing to cast in situ side slope lining including labour charges for filling in layers, watering, tamping under optimum moisture content to get the maximum density and all incidential charges etc. complete complying with standard specification. as as directed by the departmental officers.

Providing and placing in position of Plain Cement Concrete M15 using hard broken granite course aggregate (well graded) of nominal maximum size of 20mm graded to I.S.Specificaiton grading ( to achieve the specified characteristic strength of 15 N / mm2 at 28 days ) and mixing the ingredients in by using mixer machine including dewatering of the placement site by bailing / pumping and dewatering wherever necessary laying the concrete in layers as directed and in bays compacting and vibrating watering curing finishing the surface with all leads and lifts so as to attain the profile and strength as specified in the approved drawing and specification for various depth and height below and above ground level etc., complete complying with standard specification and as directed by the departmental officers.

For With vibrator

For Without vibrator

Trimming the bed and the side slope of the bank in all soils except hard rock upto a thickness of 7.5cm and making it ready to receive the concerte.

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

Preparation of subgrade and placement of lining with insitu M15 Cement Concrete (one part cement two parts sand and four parts stone jelly) using hard broken stone aggregate of maximum nominal size of 20 mm to IS specified grading mixed in mixer machine including dewatering the placement site, laying the concrete for 75mm thick, compacting and using wooden or steel plate to obtain the required curve of the haunch and finishing the top surface of canal including cost of all materials laying them and consolidation with wooden rammers of 3000 x 100 x 150mm and curing complete to attain the profile and strength as specified for various depths and heights below and above G.L. as directed by the Engineer complying with specifications. Transverse construction joints shall be provided at 3m c/c as specified guidelines enclosed.

Providing no fine concrete 7.5 cm thick insides of the lining using hard broken stone jelly of size 20 mm and cement in ratio 1:3 (One parts cement and three parts aggregate) without using sand etc.complete complying with standard specification and as directed by the departmental Engineers.

Providing construction/contraction and lift joints in lining concrete including placing, mastic pad at the joints and filling the joints with mastic filling including cost of mastic pad and conveyance to site of work and as directed by the departmental officers etc. complete complying with standard specification.

Random Rubble Masonry in cement mortar 1:4 (One cement & Four sand) for foundation and basement using old stones including necessary provision for bond stone, including simultaneous pointing of the exposed surfaces with the same mortar and all incidental surfaces etc., complete complying with standard specification .

Providing and laying in position of standardised concrete of mix M20 Grade in accordance with IS456-2000 using 20mm down graded hard broken granite stone jelly for all RCC items of works with minimum cement concrete of 325Kg/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 (5Cu.m) 7730Kg of 20mm machine crushed stone jelly and with about (3.3Cu.m) 5156Kg of 10-12mm machine crushed stone jelly and with about (4.79Cu.m)7670Kg of 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.

Supplying,fabricating and placing in position of mild steel or ribbed tor steel for reinforced cement concrete works including cost of steel and binding wire etc., complete complying with standard specification.

Pointing with Cement mortar 1:3 (One Cement and Three sand) to the old R.R. masonry wall to full depth including all incidental charges such as scaffolding, finishing, curing etc. for various depth and height below and above ground level and as directed by the departmental officers etc. complying with standard specification.

Plastering the surface of walls with Cement Mortar 1:3 (One cement and Three plastering sand), 20mm thick in all floors including curing 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.

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.

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.

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.

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, etc.,

CHENDHOOR CONSTRUCTION (BID ID -1435622)