Permanent Restoration of Thamarai Anicut and Gudalore Big Tank Supply Channel

Amount

Clearing Juliflora jungle without uprooting and disposing off the same complete complying with standard specification and as directed by the Engineer in charge of work.

Dismantling, clearing away and carefully stacking material and without disturbing nearby structure useful for reuse for any thickness of brick or stone masonry in lime Mortar walls under 3 (Three) meters high etc, complete as directed by the Engineer in charge of works and as per the technical specifications.

ORDINARY SOIL (SS20B) 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) etc., complete complying with standard specification and as directed by the Engineer in charge of work. (open excavation)

HGS SS 20 B Earth work excavating and depositing on bank with a initial lead of 10 m & initial lift of 2 m in Hard stiff clay Etc., complete complying with standard specification and as directed by the departmental officers. (For Foundation)

HGS (SS 20 B) Earth work excavating and depositing on bank with a initial lead of 10 m & initial lift of 2 m in Hard stiff clay Etc., complete complying with standard specification and as directed by the departmental officers. (Open Excavation)

SDR - (Not Requiring Blasting) Earth work excavating and depositing on bank with initial lead of 10 m & initial lift of 2m in Soft disintegrated rock, laterite, soft rock or kankar, not requiring blasting complete complying with standard specification and as directed by the Engineer in charge of work. (For Foundation)

Providing and placing in position of plain Cement concrete of grade M15 using hard well graded aggregates with the nominal maximum size of coarse aggregate of 40mm; weigh batching the ingredients and mixing in approved mixers/batching plant (to produce concrete of the specified characteristic strength of 15 N/mm2 at 28days) including dewatering the placement site by bailing/pumping and by diverting wherever necessary; laying the concrete in layers of not exceeding 15 cm thick and in bays; compacting and finishing the surface with all leads and lifts; watering curing complete so as to attain the profile and strength specified in the approved drawing & specifications etc., complete complying with standard specification and as directed by the Departmental Officers. (Without Vibrating)

b)Below ground level upto 1.50m and upto 4.50m depth

Providing and placing in position of plain Cement concrete of grade M15 using hard well graded aggregates with the nominal maximum size of coarse aggregate of 20mm weigh batching the ingredients and mixing in approved mixers/batching plant (to produce concrete of the specified characteristic strength of 15 N/mm2 at 28days) including dewatering the placement site by bailing/pumping and by diverting wherever necessary; laying the concrete in layers of not exceeding 15 cm thick and in bays; compacting and finishing the surface with all leads and lifts; watering curing complete so as to attain the profile and strength specified in the approved drawing & specifications etc., complete complying with standard specification and as directed by the Departmental Officers.

a)Below ground level upto 1.50m depth and above ground level 1.00m

b)Below ground level upto 1.50m and upto 4.50m depth

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)

a)Below ground level (Without Struting)

b)Above ground level (With Struting)

Supplying, fabricating and placing in position of HSD (high Yield Strength) bars for all reinforced cement concrete works including cost of binding wire, steel rods, conveyance charges and labour charges etc., complete complying with standard specification and as directed by the Departmental Officers. (Specification No.9.1 to 9.12.1) cutting, bending and tying the grills complete complying with standard specification. Steel and binding wire will be at the contractor's own cost.

Providing and placing in position of plain Cement concrete of grade M15 using hard well graded aggregates with the nominal maximum size of coarse aggregate of 40mm (60%) and 20mm (40%); weigh batching the ingredients and mixing in approved mixers/batching plant (to produce concrete of the specified characteristic strength of 15 N/mm2 at 28days) including dewatering the placement site by bailing/pumping and by diverting wherever necessary; laying the concrete in layers of not exceeding 15 cm thick and in bays; vibrating, compacting and finishing the surface with all leads and lifts; watering curing complete so as to attain the profile and strength specified in the approved drawing & specifications etc., complete complying with standard specification and as directed by the Departmental Officers. with vibration

a)Below ground level upto 1.50m depth and above ground level 1.00m

c)Above ground level 1.00 m upto 4.50m height

Providing and placing in position of plain Cement concrete of grade M20 using hard well graded aggregates with the nominal maximum size of coarse aggregate of 20mm; weigh batching the ingredients and mixing in approved mixers/batching plant (to produce concrete of the specified characteristic strength of 20 N/mm2 at 28days) including dewatering the placement site by bailing/pumping and by diverting wherever necessary; laying the concrete in layers of not exceeding 15 cm thick and in bays; compacting and finishing the surface with all leads and lifts; watering curing complete so as to attain the profile and strength specified in the approved drawing & specifications etc., complete complying with standard specification and as directed by the Departmental Officers. without vibration Wearing coat Sluice & Weir) (with out vibration)

a)Below ground level upto 1.50m depth and above ground level 1.00m

Providing and laying in position,standardised concrete mix M20 grade in accordance with IS 456-2000,using 20 mm and down graded hard broken granite stone jelly for all RCC items of work with minimum cement content of 325 kg/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 (5 cum) 7730 kg of 20 mm machine crushed stone jelly and with about (3.3 cum ) 5156 kg of 10-12 mm machine crushed stone jelly and with about (4.79 cu.m)7670 kg of CS sand but excluding cost of reinforcement grill and fabricating charges,centering and shuttering and also including laying,vibrating with machanical vibrators,finishing,curing,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)

a)Below ground level upto 1.50m depth and above ground level 1.00m

c)Above ground level 1.00 m upto 4.50m height

Drilling holes 50mm dia in existing body wall for placing anchor rods etc. complete etc., complying with standard specification and as directed by the departmental officers.

Grouting the holes of 50mm dia with C.M 1:2 w/c ratio of 0.33 in the existing anicut body wall provided at a spacing of 70 cm c/c in a staggered manner in the vertical surface for fixing anchor rod of 16 mm dia RTS rod of 1m length in a such position that 60 cm length embeded into the masonry wall at a downward inclinations of 5 degree to horizontal and 40 cm length projected and bend out side the wall including cleaning the drilled hole fixing the rod and other incidential charges etc. 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 from approved borrow area and transporting the same with a lead of 2 KM MR deploying earth moving machineries and Tippers including benching, formation of bund in layers of suitable,thickness, depending upon type of compaction equipment deployed and not exceeded 23cm thickness, breaking clods, watering to Opitimum moisture content (OMC) and compaction of each layers to 95 % of procter density through deployment of appropriyate compaction cquipment (8-10 T) power roller / vibratory power roller/ short width (+0.90m width drum) power roller of vibratory power roller ensuring compaction of designed bund section also ensuring compaction of earth fill and side slopes through deployment of hydraulic excavators with steel plate fixures attached to their booms/ heavy power roller capable of claimbing 2.00(Horizandal):1.00(Vertival)slope including side slope compiete complying with standard specification and as directed by the the Engineer in charge of work.

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 40 Cm depth below ground level, the post includes using 4 numbers of 8 mm RTS main rod to a length of 1.35 M, using 6 mm MS 9 numbers as strrups with steel centering and painting the post with enamel paint to a height of 0.75 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 M15 grade coarse aggregates of 20 mm over levelling course of M10 grade aggregate of 40mm complete complying with standard specification and as directed by the Engineer incharge of work.

Plastering with Cement Mortar 1:4 (One cement and Four sand), 20mm thick in all floors including curing etc. complete complying with standard specification and as directed by the departmental officers.

Earth work deploying earth moving machinery for desilting channel and forming bund on either side and depositing the earth on banks including sectioning and jungle clearance etc complete complying with standard specification and as directed by the departmental officers. Width 3m to 10m

Earth work deploying earth moving machinery for desilting channel and forming bund on either side and depositing the earth on banks including sectioning and jungle clearance etc complete complying with standard specification and as directed by the departmental officers. Width more than 10 m

Earthwork in all soils except hard rock requiring blasting and conveying for formation of flood bank from approved borrow area and transporting the same with a lead of 2 KM MR deploying earth moving machineries and Tippers including benching, formation of bund in layers of suitable,thickness, depending upon type of compaction equipment deployed and not exceeded 23cm thickness, breaking clods, watering to Opitimum moisture content (OMC) and compaction of each layers to 95 % of procter density through deployment of appropriyate compaction cquipment (8-10 T) power roller / vibratory power roller/ short width (+0.90m width drum) power roller of vibratory power roller ensuring compaction of designed bund section also ensuring compaction of earth fill and side slopes through deployment of hydraulic excavators with steel plate fixures attached to their booms/ heavy power roller capable of claimbing 2.00(Horizandal):1.00(Vertival)slope including side slope compiete complying with standard specification and as directed by the the Engineer in charge of work.

SELVARAJ DEVELOPERS

ANTONY CONSTRUCTION