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| 1 | Clearing the scrub jungle and destroying the same effectively, complete complying with standard specification and as directed by the departmental officers. |
| 2 | Earth work excavating and depositing on bank with initial lead of 10 m & initial 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 conveying the same with deploying earth moving machinery and tippers for bund strengtheningwith 3KMleadetc.,including sectioning during forming bunds etccomplying with standard specification and as directed by the departmental officers .(SS20B)W-0061. |
| 3 | Earth work excavating and depositing on bank with an initial lead of 10m and initial lift of 2m in sand , silt or other loose soil , wet sand or silt not under water , light black cotton soil, sandy loam and ordinary soil including excavated earth etc.,complying with standard specification and as directed by the departmental officers . (Open excavation-Above BL) |
| 4 | Earth work excavating and depositing on banks with an initial lead of 10m and initial lift of 2m in hard stiff clay,soft disintegrated rock, laterite, soft rock or kankar, not requiring blastingetc.,complying with standard specification and as directed by the departmental officers.(Open excavation Below BL) |
| 5 | Earth work excavation for foundationand depositing on banks withinitial lead of 10m and initial lift of 2m in hard stiff clay, stiff black cotton, hard red earth, shales, murram,gravel, stony earth & earth mixed with small size boulders & soft disintegrated rock, laterite, soft rock or kankar, not requiring blastingfor foundation including refilling thesides of foundation with excavated earth, shoring, strutting and bailing out water wherever necessary, well rammed, consolidated and depositing the surplus earth in places as shown by the departmental officers and clearing, levelling the site etc completecomplying with standard specification and as directed by the departmental officers. |
| 6 | Providing and laying Plain Cement concrete ofM10 grade (Design Mix) using 40mm HBGS jelly (well graded) confirming to IS specified grading (to produce concrete of the specified grading and characteristic strength of 10N/mm2 at 28 days) and mixing the ingredients by mixer machine including dewatering by bailing/pumping wherever necessary laying the concrete in layers and in bays with all leads and lifts,compacting and finishing the surface, watering, curing etc.,complete complying with standard specifications and as directed by the departmental officers. |
| 7 | Providing and Laying in position, Plain Cement concrete M 15 grade (Design Mix) using 20mm HBGS jellyconfirmingto IS specified grading and mixing the ingedients by mixer machine (to produce concrete of the specified characteristic strength of 15 N/mm2 at 28 days) including dewatering by bailing/pumping wherever necessary laying the concrete in layers and in bays with all leads and lifts, vibrating, compacting and finishing the surface watering, curingfor various depth and height below and above ground level so as to attain the profile and strength specified in the drawingsas per the direction of the departmental officers complete complying with standard specification. |
| 8 | Providing and Laying in position, Plain Cement Concrete ofM 15 grade (Design Mix) with well graded aggregates and themaximum nominal size of HBGS jelly of 40mm and down graded (60% of 40 mm and 40% of 20mm) confirming to IS specified grading and mixing the ingridients by mixer machine ( to produce concrete of the specified characteristic strength of 15N/mm2 at 28 days) including dewatering by bailing/ pumping wherever necessary laying the concrete in layers and in bays with all leads and lifts, vibrating, compacting, and finishing the surface, watering, curing, for various depth and height below andabove ground level so as to attain the profile and strength specified in the drawings as per the direction of the departmental officers and complying with standard specification. |
| 9 | Providing and laying in position of standardised Reinforced cement concrete of grade M 20 in accordance with IS :456-2000 using well graded 20 mm and down graded hard granite stone jelly with minimum cement content of 325 kg/m3 and maximum water cement ratio of 0.55 ,including admixture (platicizer / super (platicizer )in recommended propotions as per IS9103 to accelerate , retaarde setting of concerete ,improve workability without imparing strngth and durability with about (5 cum) 7730 kg of 20mm machine crushed stone jelly and with about (3.3cum) 5156 kg of 10-12mm machine crushed stone jelly and with about (4.7cum) 7670 kg of sand ,but excluding cost of reinforcement grill and fabricating charges , centering and shuttering and also including laying , vibrating with machnical vibrators,finishing curing etc,,. complete complying with standard specification and as directed by the departmental officers .the course and fine aggregates to be used comply with the requirement of is standards (no separate payment will be made by the department for the exess usage of materials ) |
| 10 | Providing and laying in position of standardised Reinforced cement concrete of grade M 25 in accordance with IS :456-2000 using 20 mm and down graded hard granite stone jelly with minimum cement content of 350 kg/m3 and maximum water cement ratio of 0.50 ,including admixture (platicizer / super platicier )in recommended propotions as per IS9103 to accelerate , retaarde setting of concerete ,improve workability without imparing strngth and durability with about (5 cum) 7730 kg of 20mm machine crushed stone jelly and with about (3.3cum) 5156 kg of 10-12mm machine crushed stone jelly and with about (4.79cum) 7670 kg of sand ,but excluding cost of reinforcement grill and fabricating charges , centering and shuttering and also including laying , vibrating with machnical vibrators,finishing curing etc,,. complete complying with standard specification and as directed by the departmental officers .the course and fine aggregates to be used comply with the requirement of is standards (no separate payment will be made by the department for the exess usage of materials ) |
| 11 | Providing steel centering for cement concrete block,column,footing,pedestal,plinth beam,grade beam etc., which require nominal strutting etc., using MS sheets 10 gauge thick of size 90cm x 60cm stiffened with MS angle of size 25mm x 25mm x 3mm laid over silver oak joists of size 10cm x 6.5cm spaced at 90cm c/c duly supported and removing the strutting after specified period without damaging the concrete laid complete complying with standard specification and as directed by the departmental officers.Scaffolding and centering charges for the structural components is including the cost and conveyance of all material to the site including all labour charges and incidental charges etc., complete complying with standard specifications and as directed by the Engineer in charge.(Nominal strutting) |
| 12 | Supplying and erecting centering for sides and soffits including necessary supports and strutting upto 3.29m height for vertical / sloped surface as detailed below with all cross bracings using mild steel sheets of size 90cm x 60cm and 10BG Stiffened with welded mild steel angle of size (25x25x3)mm laid over silver oak joists of size 10x 6.5cm spaced at about 90cm c/c and supported by casurina props of 10cm to 13 cm dia spaced at not more than 75cm c/c etc.,complete complying with standard specifications and as directed by departmental officers.Scaffolding and centering charges for the structural components is including the cost and conveyance of all materials to the site including all labour charges and incidental charges etc., complete complying with standard specifications and as directed by the Engineer in charge. (for vertical wall surface) |
| 13 | Supplying and fabricating of steel required for all RCC works involved in the schedule including cost of steel ,cost of fabrication,labour charges for cleaning the rods straightening, cutting, bending, tying grills including over lapping to the required length whereever necessary and placing reinforcement in position as specified in the drawing including cost of binding wire provision for space bar cover blocks and all other incidental charges etc., directed by the departmental officers. |
| 14 | Supplying and filling with Msandfor inverted filter in layers of not more than 15 cm thick, well watered, rammed and consolidated etc., complete complying with standardspecification and as directed by the departmental officers |
| 15 | Supplying and filling for 20mm to40mm jelly for inverted filter with a thickness of 40cm over Msand filling as a filter media for concrete blocks including cost of materials, conveyance, labour charges for laying etc., complete complying with standard specification and as directed by the departmental officers. |
| 16 | Supplying and filling the gravel in between gaps of CC blocks including cost of gravel and stacking to the department gauge for premeasurement etc., complete complying with standard specification and as directed by the departmental officers. |
| 17 | Rough stone dry packing forRevetmentusing newhard granite stones obtained from approved quarries including cost of wedges for filling the gaps, including cost and conveyance of all materials and all labour charges etc.,complete complying with standard specification and as directed by the departmental officers. |
| 18 | Supplying and laying of Launching apron revetment with loose boulders (jeddy stones) of each size greater 300mm and weight more than 40kg including cost of labour etc., complete complying with standard specification and as directed by the departmental officers. |
| 19 | Providing and fixing in position of seepage pipe of 75mm dia PVC pipe ( presure at 6kgs/cm2) of requied lengthfor retaining wall above FSD level at 2.5mintervals in alternate row including cost and conveyance of all materials to the work site complete complying with standard specification and as directed by the Departmental officer. |
| 20 | Suppying and fixing PVC water bar 150mm widthwith single bulb in postion including cost and conveyance of all materials to the work site complete complying with standard specification and as directed by the Departmental officer. |
| 21 | Supplying and fixing Bitumen felt 15mm thick pad for joints in the wall at 25m intervals including all labour chargesfor fixing etc., complete complying with standard specification and as directed by the Departmental officer. |
| 22 | Providing filter media arrangements to the weep holes in the rear side of retainingwall for a size of 45cmx45cmx60cmand filling with 20mm metal of 30cm thick in 1st layer and 40mm metal of 30cm in 2nd layer the rate is including cost of metals etc.complete complying with standard specification and as directed by the departmental officers. |
| 23 | Fabricating, Supplying and erection of Screw gearing steel shutters of size above 2.00 m and upto 3.00m widthconsist of skin plate made out of 10mm thick mild steel plate and horizontally stiffened with 150x75mm ISMB 150 at an interval not more than 0.50m and vertical stiffeners made out of 100x50mm mild steel channel ISMC at an interval not more than 0.60m and provided with 10mm thick mild steel gusset plateof 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 equipments Erecting the new shutter and the shuttering arrangements in the vent in proper position by using necessary hoisting equipments. 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 equipments 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. ( VIide EIC WRO Letter No. DB/HDO/CHDO2/F.Tharavu(DATA)/2025/ dt:01.08.2025 ) |
| 24 | Fabricating, supplying and fixing of 80mm 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 ( VIide EIC WRO Letter No. DB/HDO/CHDO2/F.Tharavu(DATA)/2025/ dt:01.08.2025 ) |
| 25 | Fabricating, supplying and fixing of Shutter Groove Angle made up of 100x100x10mm Mild Steel angle for 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. ( VIide EIC WRO Letter No. DB/HDO/CHDO2/F.Tharavu(DATA)/2025/ dt:01.08.2025 ) |
| 26 | Supplying and fixing of Horn Type Head Set Assembly Heavy duty consist of the bottom and top portions (Approximate 150 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 the existing damaged Head set assembly, conveying and stacking at section store. The 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. ( VIide EIC WRO Letter No. DB/HDO/CHDO2/F.Tharavu(DATA)/2025/ dt:01.08.2025 ) |
| 27 | Fabricating, Supplying and fixing of Top Beam made up of 200x100mm (ISMB 200)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 16mm mild steel plate of size 0.20x 0.30m 2 Nos 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.( VIide EIC WRO Letter No. DB/HDO/CHDO2/F.Tharavu(DATA)/2025/ dt:01.08.2025 ) |
| 28 | GST |
