Construction of Retaining wall Along the Left Bank - 4 works of the Adyar River in Aadhanoor Panchayat of Kundrathur Panchayat Union under CRRT 2020-21 having Package No. 02/2020-21

Amount

Part I : Construction of Retaining wall at Vulnerable Portion of river Adyar at Left bank in Adanur village, Kundrathur Panchayat Union (LS 516m – 545m) - Est Amt: Rs.30.25 Lakh

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)

Plain cement concrete using 60 % 40mm IS metal & 40% 20mm ISS HSB metal including cost of metal and conveyance charges and including all labour charges and all other incidental charges etc complete as per standard specification

Providing and laying in position, standardised concrete mix M-25 grade 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 contnt of 350Kg/m3 and maximum water cement ratio of 0.5, including admixture (Plastciser / super plasticisr) in recommended proportions as per I :9103 to acceelerate, reard setting of concrete, impove workability without impairing trength and durability with about(5.0cum) 7730 Kg of 20mm 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 cum) 7670 Kg of sand, but excluding cost of reinforcement grill and abricating charges, centring and shuttrin and also including laying, vibratingwith 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 coarseand fine aggregates to be used should comply with th requirements of IS standards. (No separate payment will be made by the Department for the excess usage of materials).

Supplying and erecting Centering including necessary supports for plance surgaces for Reinforced Cement Concrete works such as column footings, column pedestals, lplinth beams, grade beams, staircase steps, etc., which require only nominal strutting using mild steel sheets of size 90cm x 60cm and 10 BG stiffened with welded mild steel angles of size 25mm x 25mm x 3mm for boarding, laid over silver oak joists of size 10 cm x 6.5cm spaced at abouut 75 cm centre to centre or at suitable intervals etc., complete in all floors complying with standard specifaction. ( Payment for centering shall be given after the concrete is laid)

a.For Vertical Surfaces 0 to 0.90m. Height

b.For Vertical Surfaces upto 3.00m Height

C.For Vertical Surfaces 3.00 m to 4.00m Height

D.For Vertical Surfaces 4.00 m to 5.00m Height

E.For Vertical Surfaces 5.00 m to 6.00m Height

Supplying fabrication and placing in position steel Fe 500 for all reinforced cement concrete works as per the deign given including cost of steel, binding wire, etc. complete complying wih standard specification

Supply and spreading of Stone Dust conslolidated by Hand Roller rolling as directed by the Departmental Officers

Supplying and fixing of Weep Holes using 75 mm Dia PVC pipes (6.00 Kg per sqcm)

Part II : Construction of Retaining wall at Vulnerable Portion of river Adyar at Left bank in Adanur village , Kundrathur Panchayat Union (LS 683m – 711 m) - Est Amt: Rs.29.20 Lakh

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)

Plain cement concrete using 60 % 40mm IS metal & 40% 20mm ISS HSB metal including cost of metal and conveyance charges and including all labour charges and all other incidental charges etc complete as per standard specification

Providing and laying in position, standardised concrete mix M-25 grade 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 contnt of 350Kg/m3 and maximum water cement ratio of 0.5, including admixture (Plastciser / super plasticisr) in recommended proportions as per I :9103 to acceelerate, reard setting of concrete, impove workability without impairing trength and durability with about(5.0cum) 7730 Kg of 20mm 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 cum) 7670 Kg of sand, but excluding cost of reinforcement grill and abricating charges, centring and shuttrin and also including laying, vibratingwith 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 coarseand fine aggregates to be used should comply with th requirements of IS standards. (No separate payment will be made by the Department for the excess usage of materials).

Supplying and erecting Centering including necessary supports for plance surgaces for Reinforced Cement Concrete works such as column footings, column pedestals, lplinth beams, grade beams, staircase steps, etc., which require only nominal strutting using mild steel sheets of size 90cm x 60cm and 10 BG stiffened with welded mild steel angles of size 25mm x 25mm x 3mm for boarding, laid over silver oak joists of size 10 cm x 6.5cm spaced at abouut 75 cm centre to centre or at suitable intervals etc., complete in all floors complying with standard specifaction. ( Payment for centering shall be given after the concrete is laid)

a.For Vertical Surfaces 0 to 0.90m. Height

b.For Vertical Surfaces upto 3.00m Height

C.For Vertical Surfaces 3.00 m to 4.00m Height

D.For Vertical Surfaces 4.00 m to 5.00m Height

E.For Vertical Surfaces 5.00 m to 6.00m Height

Supplying fabrication and placing in position steel Fe 500 for all reinforced cement concrete works as per the deign given including cost of steel, binding wire, etc. complete complying wih standard specification

Supply and spreading of Stone Dust conslolidated by Hand Roller rolling as directed by the Departmental Officers

Supplying and fixing of Weep Holes using 75 mm Dia PVC pipes (6.00 Kg per sqcm)

Part III : Construction of Retaining wall at Vulnerable Portion of river Adyar at Left bank in Adanur village, Kundrathur Panchayat Union (LS 1357 m – 1387 m) - Est Amt: Rs.31.29 Lakh

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)

Plain cement concrete using 60 % 40mm IS metal & 40% 20mm ISS HSB metal including cost of metal and conveyance charges and including all labour charges and all other incidental charges etc complete as per standard specification

Providing and laying in position, standardised concrete mix M-25 grade 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 contnt of 350Kg/m3 and maximum water cement ratio of 0.5, including admixture (Plastciser / super plasticisr) in recommended proportions as per I :9103 to acceelerate, reard setting of concrete, impove workability without impairing trength and durability with about(5.0cum) 7730 Kg of 20mm 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 cum) 7670 Kg of sand, but excluding cost of reinforcement grill and abricating charges, centring and shuttrin and also including laying, vibratingwith 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 coarseand fine aggregates to be used should comply with th requirements of IS standards. (No separate payment will be made by the Department for the excess usage of materials).

Supplying and erecting Centering including necessary supports for plance surgaces for Reinforced Cement Concrete works such as column footings, column pedestals, lplinth beams, grade beams, staircase steps, etc., which require only nominal strutting using mild steel sheets of size 90cm x 60cm and 10 BG stiffened with welded mild steel angles of size 25mm x 25mm x 3mm for boarding, laid over silver oak joists of size 10 cm x 6.5cm spaced at abouut 75 cm centre to centre or at suitable intervals etc., complete in all floors complying with standard specifaction. ( Payment for centering shall be given after the concrete is laid)

a.For Vertical Surfaces 0 to 0.90m. Height

b.For Vertical Surfaces upto 3.00m Height

C.For Vertical Surfaces 3.00 m to 4.00m Height

D.For Vertical Surfaces 4.00 m to 5.00m Height

E.For Vertical Surfaces 5.00 m to 6.00m Height

Supplying fabrication and placing in position steel Fe 500 for all reinforced cement concrete works as per the deign given including cost of steel, binding wire, etc. complete complying wih standard specification

Supply and spreading of Stone Dust conslolidated by Hand Roller rolling as directed by the Departmental Officers

Supplying and fixing of Weep Holes using 75 mm Dia PVC pipes (6.00 Kg per sqcm)

Part IV : Construction of Retaining wall at Vulnerable Portion of river Adyar at Left bank in Adanur village , Kundrathur Panchayat Union (LS 1409 m – 1449 m) - Est Amt: Rs.41.72 Lakh

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)

Plain cement concrete using 60 % 40mm IS metal & 40% 20mm ISS HSB metal including cost of metal and conveyance charges and including all labour charges and all other incidental charges etc complete as per standard specification

Providing and laying in position, standardised concrete mix M-25 grade 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 contnt of 350Kg/m3 and maximum water cement ratio of 0.5, including admixture (Plastciser / super plasticisr) in recommended proportions as per I :9103 to acceelerate, reard setting of concrete, impove workability without impairing trength and durability with about(5.0cum) 7730 Kg of 20mm 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 cum) 7670 Kg of sand, but excluding cost of reinforcement grill and abricating charges, centring and shuttrin and also including laying, vibratingwith 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 coarseand fine aggregates to be used should comply with th requirements of IS standards. (No separate payment will be made by the Department for the excess usage of materials).

Supplying and erecting Centering including necessary supports for plance surgaces for Reinforced Cement Concrete works such as column footings, column pedestals, lplinth beams, grade beams, staircase steps, etc., which require only nominal strutting using mild steel sheets of size 90cm x 60cm and 10 BG stiffened with welded mild steel angles of size 25mm x 25mm x 3mm for boarding, laid over silver oak joists of size 10 cm x 6.5cm spaced at abouut 75 cm centre to centre or at suitable intervals etc., complete in all floors complying with standard specifaction. ( Payment for centering shall be given after the concrete is laid)

a.For Vertical Surfaces 0 to 0.90m. Height

b.For Vertical Surfaces upto 3.00m Height

C.For Vertical Surfaces 3.00 m to 4.00m Height

D.For Vertical Surfaces 4.00 m to 5.00m Height

E.For Vertical Surfaces 5.00 m to 6.00m Height

Supplying fabrication and placing in position steel Fe 500 for all reinforced cement concrete works as per the deign given including cost of steel, binding wire, etc. complete complying wih standard specification

Supply and spreading of Stone Dust conslolidated by Hand Roller rolling as directed by the Departmental Officers

Supplying and fixing of Weep Holes using 75 mm Dia PVC pipes (6.00 Kg per sqcm)

GST Amount for providing Service to Government Contract Works for the above Construction Works. { GST Amount is the Total GST Amount for total overall quoted amount above this row in column "BB" for all works in this package}

K.PONNAMBALAM