Reconstruction of Syphon in Uyyakondan Extension Channel across Solagampatti Vaari in Vaazhavanthankottai Village of Thiruverumbur Taluk of Trichy District

Amount

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 complying with Standard Specifications and as directed by the Departmental Engineers

Dismantling, clearing away and carefully stacking material and without disturbing nearby structure useful for reuse for any thickness of RCC in Cement Mortar walls under 3 (Three) meters high etc. complete complying with Standard Specifications and as directed by the Departmental Engineers

Earth work excavating and depositing on bank with initial lead of 10m and initial lift of 2m and for required additional lift and bailing out of water in sand, silt other loose soil wet sand or silt not under water light black cotton soil sandy loam of ordinary soil including excavated earth (SS 20B) and Hard stiff clay, stiff black cotton, hard red earth, shales, murram, gravel, stoney earth and earth mixed with small size boulders of HGS SS.20B. (Open Excavation)

Depth upto 2m

Depth upto 2m to 3m

Supplying and filling the M.Sand including the cost and conveyance of materials, watering, compacting etc. complete complying with Standard Specifications and 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.

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.

Providing and placing Plain Cement concrete M15 grade using crusher broken hard granite course aggregate (well graded) of nominal maximum size of 40 mm and down graded to I.S 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 strength specified in the approved drawing and specifications as per the direction of the engineer incharge of works and complying with technical specifications.

Below Ground Level

Above Ground Level

Providing and placing in position Plain cement concrete M 15 grade with well graded aggregates and the nominal maximum size of coarse aggregate of 20mm weight batching the incrediance and mixing in approved mixers for batching plant to produce down grade (to produce concrete of the specified characteristic strength of 15 N/MM2 at 28 days) including dewatering the placement site by bailing for pumping wherever necessary laying the concrete in layers and in the bays vibrating compacting, finishing and curing complete. etc Complete complying with standard specification 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 2 mm laid over silver oak joist of size 10 x 6.5 cm, spaced at 90 cm C/C and supported by casurina props of size 10 to 13 cmdia, spaced at 75 cm C/C etc as per the direction of the Engineer complete in all respect but excluding the cost and placing of reinforced grill in position etc, complete as directed by the Engineer in charge of works and as per the technical specifications for Wings walls, Toe walls, Curtain walls & parapet wall.

Providing and laying in position, Standardised Concrete Mix M-25 Grade by insitu machine mix concrete adopting weighing batch method in accordance with IS:456-2000 using 20mm and down graded hard broken granite stone jelly for all RCC items of works with minimum cement content of 350 kglm3 and maximum water cement ratio of 0.50, including admixture (plasticiser / superplasticiser) in recommended proportions as per IS:9103 to accelerate, retard setting of concrete, improve workability without impairing strength and durability with about (5.0 Cu.m) 7730 kg. of 20mm machine crushed stone jelly and with about (3.3 Cu.m) 5156 kg. of 10-12mm machine crushed stone jelly and with about (4.79 cu.m’) 7670 kg. of crushed stone sand, but excluding cost of reinforcement grill and fabricating charges, centering and shuttering and also including laying, vibrating with mechanical vibrators, finishing, curing, etc. and providing fixtures like fan clamps in the RCC floor/ roof slabs wherever necessary without claiming extra, etc., complete complying with standard specification and as directed by the departmental officers. The coarse and fine aggregates to be used should comply with the requirements of IS Standards. (No separate payment will be made by the Department for the excess usage of materials)

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.

Without Strutting - Below ground level

Above Ground Level

Dewaterning using 20 HP diesel engine pumpset including Hire charges, cost of Diesel, Engine oil,pump operrator,labour charges,conveyance of pumpset and fuel to site and back, loading, unloading and any other incidental charges etc., complete complying with standard specifications and as directed by the Departmental Engineers.

Providing bed protection work U/s and D/s of syphon using Rough stone including conveyance, cost of materials and spreading charges etc., complete complying with standard specification as directed by the departmental officers.

Supplying and Fixing of PVC Water Bar 150mm with Singlel Bulb including cost of required accessories @ every 20m Intervel as directed by the departmental officers

Supplying and fixing in position of seepage pipes of 75 mm dia PVC pipe having working pressure of 6kg/cm2 required lenghts with required fillter media (excluding the cost of fillted media) for abutment and wings including cost and conveyance of all materials to work site and labour charges for fixing etc. complete complying with standard specifications and as directed by the Departmental Engineers.

Supplying and filling 40cm thick graded metals for weep hole filter media in Abutment,wings and Return wall of etc., complete complying with standard specification as directed by the departmental officers.

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.

Earth work in all soils except hard rock requiring blasting and conveying 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, Compacting with power roller etc., complete including coveyance through lorries with a lead of 22km including loading and unloading etc. complete complying with Standard Specifications and as directed by the Departmental Engineers.

Earth work excavation deploying earth moving machinery for desilting channel having a width of more than 10 m and forming bund on either side and depositing the earth on banks including jungle clearance etc. complete complying with Standard Specifications and as directed by the Departmental Engineers

Cleaning scrub jungle etc. complete complying with Standard Specifications and as directed by the Departmental Engineers.

Fabricating, supplying and fixing of 100mm 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 Specifications and as directed by the Departmental Engineers

Fabricating, supplying and fixing of Shutter Groove Angle made up of 100x100x10mm Mild Steel angle for required height including welding hold fast of size 40x40x6mm Mild steel angle 3 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 Specifications and as directed by the Departmental Engineers

Providing new 3T capacity worm gear box assembly consist of cast iron top and bottom plates, worm nut made up of pig iron, worm shaft made up of EN8 steel rod and two numbers of thrust bearings. The top and bottom plates machined to suit the worm nut and shaft. The worm nut threaded inside to suit the 63mm dia screw rod and the outer side formed with helical teeth cutting to suit the worm shaft. The worm shaft machined to the required shape and size and provided with helical teeth to suit with the worm nut.The assembly fixed with two numbers of thrust bearing one on top and another on bottom of the worm nut and fastened with required bolt and nuts. The operating key made with 80mm square rod shaping with wire cutting machine and welded with operating handle made up of 32mm dia steel rod for required length. The gear box is to be rest on the top of MS stand made up of 75x75x8mm MS angle and the top covered with 16mm thick MS plate and the stand fixed on the 150x75mm MS channel fixed over top of the beams in platform. The gear box align with the screw rod and fixed with required bolts nuts etc., complete and as directed by the departmental officers. Painting the hoisting arrangements with two coat of aluminium oxide paint over two coat of zinc rich primer The rate including cost of worm gear, cost of all materials required, labour charges, process charges like gas cutting, welding, machining, milling, labour charges for dismantling, loading, lifting, unloading, transport, erection, charges for equipment’s like derrick, chain pulley block, conveyance charges of to and fro of equipment’s and labours to the site including cost of trial operation of the Shutter, inclusive of all taxes, etc., complete and as directed by the departmental officers and warranty for 5years etc. complete complying with Standard Specifications and as directed by the Departmental Engineers

Fabricating supply and fixing of Steel Trash Rack arrangements of size 4.00mx1.00m with following specification. The outer frame is made up of 150x75 ISMB. The horizontal stiffners made with same section. The vertical rack made with 75x10 MS flat is vertically welded with the gap cf 0.50mm on the entire breath of the Trash Track" The lntermediate Vertical Stiffners made with 75x40 MS channel is provided with the gap not more than 0.60m. The Gusset plate of required size is provided on top of the Trash Track, with required holes and fastened with rust free bolts and nuts. The cost includes ccst of materials, cost of consumables like welding rods, grinding wheels, oxygen & acetylene gas, oil & diesel for generator, process charges like gas cutting & welding, drilling, hire charges for machinery like gas cutting plant, welding equipment, magnetic drilling machine, generator, grinding machine, compressor, aii-less spray machine, hoisting equipments like chain pulley block, derrick post, labour charges for loading, lifting, unloading, transport erection, scaffolding, conveyance to site and clearing them after completion of work, etc., complete and as directed by the departmental officers.

Fabricating, Supplying and fixing of Top Beam made up of 300x140mm (ISMB 300) 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 0.90m with necessary Fish plate made out of 20mm mild steel plate of size 0.23x 0.30m 2 Nos to place the beam in position including petty civil works and painting with two coats of Anticorrosive black paint with one coat Red Oxide primer etc., including dismantling old beam conveying, loading and unloading and stacking to section store warranty for 5 years etc., complete and as directed by the departmental officers.

GST at 18%

SHIVA CONSTRUCTIONS (BID ID -1456179)

D PUSHPARAJ (BID ID -1454442)