Construction of Anicut across Sarugani river in Odaikkarai village to feed Ayankudi tank and other tanks in R.S Mangalam Taluk of Ramanathapuram District

Amount

Clearing Juliflora jungle with uprooting and disposing off the same and complete complying with standard specification and as directed by the Engineer in charge of work.

(HGS SS 20B)Earth work excavating and depositing on bank with initial lead of 10m & 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 SS 20B for Foundation

Initial lift below Ground level up to 2m

1st lift below Ground level 2m to 3m

2nd lift below Ground level 3m to 4m

(HGS SS 20B)Earth work excavating and depositing on bank with initial lead of 10m & 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 SS 20B

Initial lift below Ground level up to 2 M

1st lift below Ground level 2M to 3 M

Refilling with excavated soil (other than sand) complying with standard specification for filling in foundation and basement.

Supplying and filling sand gravel mix (30%:70%) in foundation & basement in layers of not more than 15cm thick well rammed, watered and consolidated etc., complete complying with standard specification and as directed by the Departmental Officers.

Supplying and filling in foundation and basement etc., with filling sand in layers of not more than 15cm thick well rammed, watered and consolidated etc., complete complying with standard specification and as directed by the Departmental Officers.

Plain Cement Concrete M10 using 40 mm hard broken jelly including laying, consolidating, finishing, rendering the top surface rough to receive the floor, curing etc., complete complying with standard specification and as directed by the Departmental Officers.

Foundation and basement (Upto 1.50m depth below ground level)

Add the basic rate for works 1.50m depth and upto 4.5 m depth below ground level.

Providing and placing in position Plain Cement Concrete of M20 using hard broken granite coarse aggregate (well graded) of nominal maximum size of 20mm and down graded to I.S specification grading ( to achieve the specified characteristic strength of 20 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 so as to attain the profile and strength as specified in the approved drawing complete complying with standard specification and as directed by the departmental officers. (With Vibrator)

Concrete 1.50m depth below and upto 4.50m depth below Ground Level

Concrete 1.50m depth below GL and upto 1.00m above GL

Above 1.00 m height and upto 4.50m height above ground level

Providing and placing in position Plain Cement Concrete of M20 Graded mix using hard broken granite coarse aggregate (well graded) 60% of nominal maximum size of 40mm and 40% of nominal maximum size of 20mm to I.S specification grading ( to achieve the specified characteristic strength of 20 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. (With Vibrator)

Concrete 1.50m depth below and upto 4.50m depth below Ground Level

Concrete 1.50m depth below GL and upto 1.00m above GL

Above 1.00 m height and upto 4.50m height above ground level

Providing and laying in position standardised concrete Mix M-25 Grade in accordance with IS 456-2000,using 20 mm and down graded hard broken granite stone jelly for all RCC items of works with minimum cement content of 350 kg/m3 and maximum water cement ratio of 0.50 including admixture (Plasticizer /Super plasticizer) in recommended proportions as per IS 9103 to accelerate, retard setting of concrete, improve workability without imparing strength and durability with about (5.0 cu.m) 7730 kg of 20 mm machine crushed stone jelly and with about (3.30 cu.m) 5156 kg of 10 -12 mm machine crushed stone jelly and with about (4.79 cu.m) 7670 kg of sand but excluding cost of reinforcement grill and fabricating charges, centering and shuttering and also including and 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 aggregate 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.)

Concrete 1.50m depth below and upto 4.50m depth below Ground Level

Concrete 1.50m depth below GL and upto 1.00m above GL

Above 1.00 m height and upto 4.50m height above ground level

Providing and laying in position standardised concrete Mix M-30 Grade in accordance with IS 456-2000,using 20 mm and down graded hard broken granite stone jelly for all RCC items of works with minimum cement content of 350 kg/m3 and maximum water cement ratio of 0.50 including admixture (Plasticizer /Super plasticizer) in recommended proportions as per IS 9103 to accelerate, retard setting of concrete, improve workability without imparing strength and durability with about (5.0 cu.m) 7730 kg of 20 mm machine crushed stone jelly and with about (3.30 cu.m) 5156 kg of 10 -12 mm machine crushed stone jelly and with about (4.79 cu.m) 7670 kg of sand but excluding cost of reinforcement grill and fabricating charges, centering and shuttering and also including and 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 aggregate 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.)

Concrete 1.50m depth below GL and upto 1.00m above G

Above 1.00 m height and upto 4.50m height above ground level

Supplying and erecting centering for sides and soffits including necessary supports and strutting upto 3.29m height for Plane surfaces as detailed below in all floors with all cross bracings using mild steel sheets of size 90 x 60 cm and 10 BG stiffened with welded mild steel angle, of size 25 mm x 25 mm x 3 mm for boarding laid over silver oak joist of size 10cm x 6.5 cm spaced at about 90 cm centre to centre and supported by casurina props of 10cm to 13 cm dia spaced at not more than 75 cm centre to centre etc., complete complying with standard specification and as directed by the departmental officers. (payment for centering shall be given after the concrete has been laid)

Below Ground Level (with out strutting)

Above Ground Level (with strutting) ( Upto 3.29m)

Above Ground Level (with strutting) ( 3.29m to 4.29m)

Supplying, fabricating & placing in position mild steel/Ribbed Tor steel grills for all RCC works as per design given including cost of steel and GI binding wire in all floors etc.,complete complying with standard specification and as directed by the Departmental Officers.

Providing filter zone below the concrete block with coarse sand for bottom layer and broken graded stone for top layers as furnished in the drawing and as directed by the departmental Engineer including collection of coarse sand conveying, stacking the same for pre-measurement and providing a layer of 20cm thick, watering and consolidating, supplying hard broken stone of the following sizes, stacking for pre-measurement,. laying the stones of 10 mm size for 7.5cm thick, 20mm size of 7.5cm thick, 40mm size for 10cm thick and 80mm size for 15cm thick in layer etc., complete complying with standard specification and as directed by the departmental officers.

Supplying and filling well gravel in between the gaps of Cement Concrete blocks etc., complete complying with standard specification and as directed by the Engineer in charge

Providing launching apron using new hard granite jeddy stone of not less than 300mm size and weight not less than 40kg including stacking for premeasurement the cost of new stones wedges for filling the gaps.finishing neatly, etc., complete complying with standard specification and as directed by the departmental officers.

Rough stone dry packing for side revetment using new rough stones for apron and revetment including stacking the rough stone for premeasurement, cost of new stones, wedges for filling the gaps, finishing neately etc., complete complying with standard specification and as directed by the departmental officers.

Gravel packing for revetment and apron in layers not exceeding 15cm thick, including watering, consolidation and trimming the top surface so as to receive the Rough Stones and including stacking for pre measurement etc., complete complying with standard specification and as directed by the departmental officers.

Providing and fixing weep holes with 110mm dia PVC pipe of working pressure of 4Kg/cm2 to a required length for fixing concrete protection / Retaining wall, Abutment & Wing wall including cost of all materials to work site including labour charges for 90cm spherical backfill arrangement 100 mm dia size broken stone granite gharges of the peripery and labour charges for fixing to drain the back fill etc., complete complying with standard specification and as directed by the departmental officers.

Providing construction contraction and lift joints in masonry, concrete including cutting, jointing the PVC Water stopper of 150mm width and placing mastic/Tar pad of 20mm thick (1.04 kg of asphalt and 0.78 m2 mastic pad required for 1 Rm.) at the joints below the water Stopper after cutting to the required size including the filling the joints width mastic filling as specified in the diagram etc, complete complying with standard specification and as directed by the departmental officers. ( for Anicut )

Dewatering using 20hp diesel engine pumpset including Hire charges, cost of Diesel, Engine oil, pump operator, labour charges, conveyance of pumpset and fuel to site and back, loading, unloading and any other incidental charges etc., complete.

Supplying and Fixing demarcation R.C.C. pre cast posts in Cement concrete of grade M20 with well graded aggregates and the nominal maximum size of coarse aggregate of size 20 mm of size 0.15 x 0.15 x 1.20 M and fixing the post 40 Cm depth below ground level, the post includes using 4 numbers of 8mm RTS main rod to a length of 1.325 M, using 6mm MS 9 numbers as strips with steel centering and painting the post with enamel paint to a height of 0.80 M around the post etc. complete and conveying the post to the site of demarcation boundary such as tank bund and foreshore including earth work excavation for foundation in HSC having the base plain cement concrete of 10 cm of grade M15 concrete using hard blue granite broken stone of graded metal 1/3 Part of 40mm & 2/3 Part of 20 mm size, and the post embedded by using Cement concrete of grade M10 with well graded aggregates and the nominal maximum size of coarse aggregate of 20 mm etc., complete as directed by the Engineer in charge of works and as per the technical specifications

Fabricating, supplying and erection of Screw Gearing steel shutters of size 2.0 m x 1.4 m with consists of skin plate made out of 8 mm thick mild steel plate and horizontally stiffened with 100 mm x 50 mm x 6 mm steel channel (ISMC) at an interval of not more than 0.5 m and vertical stiffeners made out of same section at an interval not more than 0.6 m and provided with 8 mm thick mild steel gusset plate of required size on both sides fastened with rust free bolts and nuts etc. Groove Channels of ISMC 100mmx100mmx10mm mild steel angle for required height up to 4.50 m including welding hold fast of size 40 mm x 40 mmx 6 mm mild steel angle 3 numbers on both sides. Providing Sill Beam of 150mm x 80mm x 6mm, 1.3 m length and providing of 63 mm screw rod made of mild steel duly machined and fully threated to suite the Head set assembly with required height up to 3.5 m and required holes. Fixing the screw rod to the shutter gusset plate with required bolts and nuts in proper alignment to the Head Set. Providing of Top Beam made up of 200 mm x 100 mm x 6 mm (ISMB 200) for the length of 1.90 m duly drilled to suite the Head Set assembly with required bed bolts made out of 25 mm mild steel round rod duly threated with suitable anchorage arrangements to the height of 0.6 m with necessary fish plate made out of 16 mm mild steel plate of size 0.2 m x 0.3 m 2 numbers with require bolts. Providing Head set assembly medium duty with Hexagonal nut (approximate 70 kg) made up of cast iron including moulding, machining and Hexagonal nut threaded to suit screw rod provided with thrust bearings for smooth operation. Dismantling the existing damaged shutter assembly conveying and stacking at section store. The whole shutter assembly should be painted with two coats of anti-corrosive black paint over one coat of red oxide primer paint. Erecting the Shutter assembly by Durky post and Chain block fixing the top beam with necessary. The rate is inclusive of all materials, labour charges including Lathing, Drilling, Welding, Gas cutting, Hydraulic bend removing of M.S. rod, hire charges of Crane and also inclusive of cost of covering plate, Foundation bolts, all bolt and nuts, conveyance to this site, Loading and unloading charges, Grease packing, Lubricating oil, Operating key, Locking arrangement and checking the Shutter operation etc., complete as directed by the Departmental Officers. The rate is Excluding GST.

Fabricating, supplying and erection of Screw Gearing steel shutters of size 2.0 m x 1.0 m with consists of skin plate made out of 8 mm thick mild steel plate and horizontally stiffened with 100 mm x 50 mm x 6 mm steel channel (ISMC) at an interval of not more than 0.5 m and vertical stiffeners made out of same section at an interval not more than 0.6 m and provided with 8 mm thick mild steel gusset plate of required size on both sides fastened with rust free bolts and nuts etc. Groove Channels of ISMC 100mmx100mmx10mm mild steel angle for required height up to 4.50 m including welding hold fast of size 40 mm x 40 mmx 6 mm mild steel angle 3 numbers on both sides. Providing Sill Beam of 150mm x 80mm x 6mm, 1.3 m length and providing of 63 mm screw rod made of mild steel duly machined and fully threated to suite the Head set assembly with required height up to 3.5 m and required holes. Fixing the screw rod to the shutter gusset plate with required bolts and nuts in proper alignment to the Head Set. Providing of Top Beam made up of 200 mm x 100 mm x 6 mm (ISMB 200) for the length of 1.90 m duly drilled to suite the Head Set assembly with required bed bolts made out of 25 mm mild steel round rod duly threated with suitable anchorage arrangements to the height of 0.6 m with necessary fish plate made out of 16 mm mild steel plate of size 0.2 m x 0.3 m 2 numbers with require bolts. Providing Head set assembly medium duty with Hexagonal nut (approximate 70 kg) made up of cast iron including moulding, machining and Hexagonal nut threaded to suit screw rod provided with thrust bearings for smooth operation. Dismantling the existing damaged shutter assembly conveying and stacking at section store. The whole shutter assembly should be painted with two coats of anti-corrosive black paint over one coat of red oxide primer paint. Erecting the Shutter assembly by Durky post and Chain block fixing the top beam with necessary. The rate is inclusive of all materials, labour charges including Lathing, Drilling, Welding, Gas cutting, Hydraulic bend removing of M.S. rod, hire charges of Crane and also inclusive of cost of covering plate, Foundation bolts, all bolt and nuts, conveyance to this site, Loading and unloading charges, Grease packing, Lubricating oil, Operating key, Locking arrangement and checking the Shutter operation etc., complete as directed by the Departmental Officers. The rate is Excluding GST.

Fabricating, supplying and erection of Screw Gearing steel shutters of size 2.0 m x 0.6 m with consists of skin plate made out of 8 mm thick mild steel plate and horizontally stiffened with 100 mm x 50 mm x 6 mm steel channel (ISMC) at an interval of not more than 0.5 m and vertical stiffeners made out of same section at an interval not more than 0.6 m and provided with 8 mm thick mild steel gusset plate of required size on both sides fastened with rust free bolts and nuts etc. Groove Channels of ISMC 100mmx100mmx10mm mild steel angle for required height up to 4.50 m including welding hold fast of size 40 mm x 40 mmx 6 mm mild steel angle 3 numbers on both sides. Providing Sill Beam of 150mm x 80mm x 6mm, 1.3 m length and providing of 63 mm screw rod made of mild steel duly machined and fully threated to suite the Head set assembly with required height up to 3.5 m and required holes. Fixing the screw rod to the shutter gusset plate with required bolts and nuts in proper alignment to the Head Set. Providing of Top Beam made up of 200 mm x 100 mm x 6 mm (ISMB 200) for the length of 1.90 m duly drilled to suite the Head Set assembly with required bed bolts made out of 25 mm mild steel round rod duly threated with suitable anchorage arrangements to the height of 0.6 m with necessary fish plate made out of 16 mm mild steel plate of size 0.2 m x 0.3 m 2 numbers with require bolts. Providing Head set assembly medium duty with Hexagonal nut (approximate 70 kg) made up of cast iron including moulding, machining and Hexagonal nut threaded to suit screw rod provided with thrust bearings for smooth operation. Dismantling the existing damaged shutter assembly conveying and stacking at section store. The whole shutter assembly should be painted with two coats of anti-corrosive black paint over one coat of red oxide primer paint. Erecting the Shutter assembly by Durky post and Chain block fixing the top beam with necessary. The rate is inclusive of all materials, labour charges including Lathing, Drilling, Welding, Gas cutting, Hydraulic bend removing of M.S. rod, hire charges of Crane and also inclusive of cost of covering plate, Foundation bolts, all bolt and nuts, conveyance to this site, Loading and unloading charges, Grease packing, Lubricating oil, Operating key, Locking arrangement and checking the Shutter operation etc., complete as directed by the Departmental Officers. The rate is Excluding GST.

Fabricating, supplying and erection of Screw Gearing steel shutters of size 0.75 m x 1.0 m with consists of skin plate made out of 8 mm thick mild steel plate and horizontally stiffened with 100 mm x 50 mm x 6 mm steel channel (ISMC) at an interval of not more than 0.5 m and vertical stiffeners made out of same section at an interval not more than 0.6 m and provided with 8 mm thick mild steel gusset plate of required size on both sides fastened with rust free bolts and nuts etc. Groove Channels of ISMC 100mmx100mmx10mm mild steel angle for required height up to 4.50 m including welding hold fast of size 40 mm x 40 mmx 6 mm mild steel angle 3 numbers on both sides. Providing Sill Beam of 150mm x 80mm x 6mm, 1.3 m length and providing of 63 mm screw rod made of mild steel duly machined and fully threated to suite the Head set assembly with required height up to 3.5 m and required holes. Fixing the screw rod to the shutter gusset plate with required bolts and nuts in proper alignment to the Head Set. Providing of Top Beam made up of 200 mm x 100 mm x 6 mm (ISMB 200) for the length of 1.90 m duly drilled to suite the Head Set assembly with required bed bolts made out of 25 mm mild steel round rod duly threated with suitable anchorage arrangements to the height of 0.6 m with necessary fish plate made out of 16 mm mild steel plate of size 0.2 m x 0.3 m 2 numbers with require bolts. Providing Head set assembly medium duty with Hexagonal nut (approximate 70 kg) made up of cast iron including moulding, machining and Hexagonal nut threaded to suit screw rod provided with thrust bearings for smooth operation. Dismantling the existing damaged shutter assembly conveying and stacking at section store. The whole shutter assembly should be painted with two coats of anti-corrosive black paint over one coat of red oxide primer paint. Erecting the Shutter assembly by Durky post and Chain block fixing the top beam with necessary. The rate is inclusive of all materials, labour charges including Lathing, Drilling, Welding, Gas cutting, Hydraulic bend removing of M.S. rod, hire charges of Crane and also inclusive of cost of covering plate, Foundation bolts, all bolt and nuts, conveyance to this site, Loading and unloading charges, Grease packing, Lubricating oil, Operating key, Locking arrangement and checking the Shutter operation etc., complete as directed by the Departmental Officers. The rate is Excluding GST.

Earth work excavation deploying earth moving machinery for desilting channel having a width of more than 10m and forming bund on either sides and depositing the earth on banks including jungle clearance etc complete

Earthwork in all kinds of soils except hard rock requiring blasting deploying earth moving machineries for desilting channel and forming bund on either side and depositing the earth on banks including jungle clearance etc. complete.

Having width of 3 m to 10 m

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 etc., complete(By power roller including hire charges)

Lead charges for balanced excavated earth from regaratation of river to fill in the low lying area with 3km lead

Earthwork in all soils except hard rock requiring blasting and conveying for formation of flood bank/bund from approved borrow area and transporting the same with a lead of 1 KMCT + 2 KMMR deploying earth moving machineries and Tippers including benching, formation of bunds,breaking clods, watering to Opitimum moisture content (OMC) and compaction of each layers to 95 % of procter density through deployment of appropriyate compaction equipment (8-10 T) power roller / vibratory power roller/ short width (+0.90m width drum) power roller or vibratory power roller / Fuel operated or elect-operated vibratory plate compactors,ensuring compaction of designed bund section including side slope complete as per standard specification as directed by the Departmental Officers

Towards the payment of Mineral charges, Seigniorage fee, Green fund, District mineral fund and tax on Mineral Bearing Land for formation of flood bank to be paid to Revenue Department through the contractor etc., (Excluding cost of Earthwork excavation, conveyance and forming flood bank). (Ref: 1.G.O. 4 Natural Resources (MMC - 1) Department dated 22.08.2023, 2.G.O. (Ms) No 23. Industries (MME - 1), Department dated 23.02.2022, 3.Tamilnadu Mineral Bearing Land Tax Act,2024.

CHITRAHEM CONSTRUCTION COMPANY (BID ID -1459517)

G ILANGUMARAN (BID ID -1460244)