Rehabilitation of Marichikatti Anicut

Amount

Clearing Juliflora Jungle without uprooting etc., complete complying with standard specification and as directed by the departmental officers.

Dismantling Without damaging the near by structures if any, clearing away and carefully stacking materials useful for reuse for any thickness of wall in Brick or stone masonry in cement mortar walls under 3m high etc, complete as directed by the Engineer in charge of works and as per the technical specifications etc complete.

Dismantling Without damaging the near by structures if any,clearing away and carefully stacking materials useful for reuse for any thickness of Plain cement concrete etc, complete as directed by the Engineer in charge of works and as per the technical specifications etc complete.

Dismantling, clearing away and carefully stacking material and without disturbing nearby structure of Reinforcement Cement Concrete etc, complete as directed by the Engineer in charge of works and as per the technical specifications etc complete.

Earth work excavating and depositing on bank with initial lead of 10m & 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 (SS20B)

Earth work Excavation for foundation in hard stiff clay,stiff black cotton soil, Hard red earth, shales, murrams, gravel, stoney earth and earth mixed with small size boulders and hard grvelly soil depositing on bank including shoring strutting and bailing out water wherever necessary, well rammed consolidated and deposting the surplus earth in places as shown by the departmental officers with an initial lead of 10metres and an initial lift of 2 metres and clearing, levelling the site etc., complete complying with standard specification and as directed by the departmental officers.

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 0 to 100 metre 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 appropriate 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

Earthwork deploying earth moving machineries for desilting channel having a width of more than 10 meter and forming bund on either side and depositing the earth on banks including jungle clearance etc complete complying with standard specification and as directed by the departmental officers

Providing and placing in position of Plain Cement Concrete M10 using hard broken granite coarse aggregate (well graded) size of 40mm to I.S. Specification grading (to achieve the specified characteristic strength of 10 N /mm2 at 28 days) and mixing the ingredients 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, watering, curing, finishing the surface so as to attain the profile and strength as specified in the approved drawings, complete complying with standard specification and as directed by the departmental officers.

Below Ground Level -1.50m to -4.50m (Without Vibration)

Below Ground Level -1.50m to +1.00m (Without Vibration)

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)

Below Ground Level -1.50m to -4.50m (With Vibration)

Below Ground Level -1.50m to +1.00m (With Vibration)

Providing and placing in position of Plain Cement Concrete of M 20 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 by using mixer machine including dewatering of the placement site by bailing / pumping and dewatering wherever necessary, laying in 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 drawings, complete complying with standard specification and as directed by the departmental officers. ( with vibrator)

Below Ground Level -1.50m to -4.50m (With Vibration)

Below G.L -1.50m to Above G.L +1.00m (With Vibration)

Above Ground Level +1.00m to +4.50m (With Vibration)

Above Ground Level +4.50m to +6.50m (With Vibration)

Providing and placing in position of Plain Cement Concrete of M 15 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 15 N / mm2 at 28 days) and mixing the ingredients by using mixer machine including dewatering of the placement site by bailing / pumping and dewatering wherever necessary, laying in 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 drawings, complete complying with standard specification and as directed by the departmental officers. ( with vibrator) Below G.L -1.50m to Above G.L +1.00m (With Vibration)

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)

without strutting (Below Ground level)

With strutting (Above Ground level +0.00m to +4.29m)

With strutting (Above Ground level +3.29m to +4.29m)

With strutting (Above Ground level +4.29m to +5.29m)

With strutting (Above Ground level +5.29m to +6.29m)

Supplying, fabricating and placing in position of ribbed tor steel bars of various diameters for all reinforced concrete works, including cost of rods and binding wire, labour charges for cutting the bending, tying and fixing in position for various depths and heights below and above ground level complete as directed by the Engineer complying with standard specification.

Providing and placing Reinforced Cement Concrete M25 grade using hard broken granite course aggregate (well graded ) of nominal maximum size of 20mm and down graded t I.S specified grading (To achive the specified characteristic strengh of 25 N/mm2 in 28 days) and mixing the ingredients in approved mixer including dewatering of the placement site by bailing /pumping and diverting wherever necessary placing in layers and vibrating, water 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.

Below G.L -1.50m to Above G.L +1.00m (With Vibration)

Below G.L +5.26m to Above G.L +6.29m (With Vibration)

Collection and Supply of M Sand gravel mix 3:7 (Three sand and Seven gravel) ratio for basement / filter zone including stacking, mixing and spreading the sand gravel mix in layers of not exceeding in 150 mm thickness over properly prepared surface, watering and consolidating the same with approved type of compaction equipment including stacking for pre-measurement etc complete complying with the standard specification and as directed by the Engineer in charge of the work.

Supplying and filling with M.sand in foundation and basement 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.

Gravel backing 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.

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.

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.

Providing filter zone below the concrete block with M 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.

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.

Refilling with excavated earth (other than sand) with all leads and lifts for filling the open cut wherever necessary in layers including breaking clods watering and compaction using Power Roller to atleast 95% of Proctor Density at OMC in each layer and sectioning etc as directed by the Engineer in charge of work.

Fabricating, supplying and erection of Screw Gearing steel shutters of size 3.1 m x 1.50 m with consists of skin plate made out of 12 mm thick mild steel plate and horizontally stiffened with 150 mm x 75 mm steel beam (ISMB) at an interval of not more than 0.5 m and vertical stiffeners made with 100 mm x 50 mm x 6 mm 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 200mmx75mmx6mm mild steel angle for required height up to 5.20m 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, 3.10 m length and providing of 100 mm dia screw rod made of mild steel duly machined and fully threaded to suite the Head set assembly (Heavy type) with required height up to 4.70 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 300 mm x 140 mm x 77 mm for the length of 3.70 m duly drilled to suite the Head Set assembly with required bed bolts made out of 25 mm mild steel round rod duly threaded 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 120 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 foundation bolts and clamping plates. 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.

Supplying demarcation R.C.C. pre cast post in Cement concrete M20 grade 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 45 cm depth below ground level, the post includes using 4 numbers of 8 mm RTS main rod to a length of 1.325 M, using 6 mm MS 9 numbers as strrups with steel centering and painting the post with enamel paint to a height of 0.80 M alround 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, and the post embedded by using Cement concrete M10 grade with well graded aggregates and the nominal maximum size of coarse aggregate of 40 mm, as per the direction of the Engineers and complying with standard specification.

GST 18 % in figures

Sri Sivaram and co (BID ID -1283324)