Strengthening of 2 Rural Roads in Kovilambakkam Village Panchayat in St.Thomas Mount Panchayat Unions of Chengalpattu District under MGSMT 2022 23 Having PKG No.60

Amount

Part I :Strengthening of Engineer avenue 1st main road km 0/0-0/640 in Kovilambakkam Village Panchayat Estimate Amount :Rs. 95.46 Lakhs

Earth work for boxing including conveyance of cut earth .Earth work excavation and depositing on bank within 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 .20.B complete as per standard specification. for boxing including conveyance of cut earth away from the site with average lead

Construction of subgrade for 300m depth by using pickd materialobtained from the existing surface by mechanical means and then adding 50% of defict materials from quarry with all lifts and leads, transporting to site spreading grading to required slope and compacted to meet requirement of table 300.2 with lead upto 1000m as per Technical specification clause 303.1(Subgrade using stone dust to improve CBR 7 to 9)

Providing and laying spreading and compacting graded stone aggregate to Wet Mix Macadam(WMM) specification including premixing the material with water at OMC in machanical mix plant carriage of mixed material by tipper to site laying in uniform layers 250mm thick with pavers in SubBase/Base course on well prepared surface and compacting with vibratory roller to achieve the desired density including cost of material,labour charges, rentals for machinery, fuel and all other incidental charges etc., complete.

Construction of un-reinforced dowel jointed at expansion and construction joint only, plain cement concrete pavement , thickness as per design , cover a prepared sub base with 43 grade cement or any other type as per clause 1501.2.2 M30 (Grade) coarse an

Supplying and fixing of Bituminous pad of 20mm thick for expansion joint including cost and conveyance of all materials to site and all labour charges etx., complete.

Filling with us gravel for side berms including cost and conveyance of all materials to site and stacking them to departmental guage for premeasurements and labour charges for filling etc., complete.

Supplying and fixing of HM stone of size 0.75x 0.23x 0.10m

90 cm Equilateral triangle cautionary signboard

60 cm Equilateral triangle cautionary signboard

60 cm Circle(MANDATORY SIGN)

Chevron sign 90cm octogon (curve)

Construction of CC Drain Ch 0/0-0/640

Earth work Excavation for Foundation in all soils and Sub Soil to full depth as may be directed except in hard rock requiring blasting but inclusive of shoring strutting and requiring the sides of foundation. As per SS 20B

Cement concrete 1 : 4 : 8 mix using 40mm HBG metal for foundation including watering wherever necessary and laid in layers of not more than 15cm thick., compacting etc., complete complying with standard specifications and as directed.

Supplying and erecting centering shuttering including necessary supports for planesurface in foundation and basement and in all floors for R C C column footing column plinth beam, beams, roof slabs, staircase steps, bed blocks, critical pier etcusing mild steel sheets of size 90 x 60 cm and 10 guage stiffened, welded with mild steel angles of size 25mmx25mmx3mm for boarding laid over silver oak (countrywood) scantlings of size 10cm x 6.5cm spaced of about 90cm centre to centre and supported by casurina props of 10cm to 13cm dia spaced at 75cm centre to centrecomplete complying with standard specifications and as directed by departmental Officers etc.Complete. upto ground level

Cement concrete 1 : 3 : 6 mix using 20mm HBG metal for foundation including watering wherever necessary and laid in layers of not more than 15cm thick., compacting etc., complete complying with standard specifications and as directed.

Plastering with cm 1:5 mix 20mm thick including all other labour charges etc., complete

Routine Maintenance after completion of work the road sufrace and shoulder to be maintained in proper condition to make them free from excessive edge drop offs, roughness, scouring and pot holes and cleaning of surface drain including culverts for frre flow of water. Relettering name boards and K.M & H.M stone and other maintenance operation required to keep the road traffic worthly at all the time for the maintenance period for the following years. As per General condition of contract para 32.2.2

For 1st Year

For 2nd Year

For 3rd Year

For 4th Year

For 5th Year

Part II :Strengthening of Engineer avenue 2nd main road km 0/0-0/520 in Kovilambakkam Village Panchayat Estimate Amount : Rs.101.48Lakhs.

Earth work for boxing including conveyance of cut earth .Earth work excavation and depositing on bank within 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 .20.B complete as per standard specification. for boxing including conveyance of cut earth away from the site with average lead

Construction of subgrade for 300m depth by using pickd materialobtained from the existing surface by mechanical means and then adding 50% of defict materials from quarry with all lifts and leads, transporting to site spreading grading to required slope and compacted to meet requirement of table 300.2 with lead upto 1000m as per Technical specification clause 303.1(Subgrade using stone dust to improve CBR 7 to 9)

Providing and laying spreading and compacting graded stone aggregate to Wet Mix Macadam(WMM) specification including premixing the material with water at OMC in machanical mix plant carriage of mixed material by tipper to site laying in uniform layers 150mm thick with pavers in SubBase/Base course on well prepared surface and compacting with vibratory roller to achieve the desired density including cost of material,labour charges, rentals for machinery, fuel and all other incidental charges etc., complete. Using Paver Finisher

Construction of un-reinforced dowel jointed at expansion and construction joint only, plain cement concrete pavement , thickness as per design , cover a prepared sub base with 43 grade cement or any other type as per clause 1501.2.2 M30 (Grade) coarse an

Supplying and fixing of Bituminous pad of 20mm thick for expansion joint including cost and conveyance of all materials to site and all labour charges etx., complete.

a. 60 cm Equilateral triangle cautionary signboard

b. 60 cm Circle(MANDATORY SIGN)

Chevron sign 90cm octogon (curve)

Supplying and fixing of HM stone of size 0.75x0.23x0.10 m including cost and conveyance and all other labour charges etc., complete

Construction of CC Drain Ch 0/0-0/520

Earth work Excavation for Foundation in all soils and Sub Soil to full depth as may be directed except in hard rock requiring blasting but inclusive of shoring strutting and requiring the sides of foundation. As per SS 20B

Cement concrete 1 : 4 : 8 mix using 40mm HBG metal for foundation including watering wherever necessary and laid in layers of not more than 15cm thick., compacting etc., complete complying with standard specifications and as directed.

Supplying and erecting centering shuttering including necessary supports for planesurface in foundation and basement and in all floors for R C C column footing column plinth beam, beams, roof slabs, staircase steps, bed blocks, critical pier etcusing mild steel sheets of size 90 x 60 cm and 10 guage stiffened, welded with mild steel angles of size 25mmx25mmx3mm for boarding laid over silver oak (countrywood) scantlings of size 10cm x 6.5cm spaced of about 90cm centre to centre and supported by casurina props of 10cm to 13cm dia spaced at 75cm centre to centrecomplete complying with standard specifications and as directed by departmental Officers etc.Complete. upto ground level

Cement concrete 1 : 2 : 4 mix using 20mm HBG metal for foundation including watering wherever necessary and laid in layers of not more than 15cm thick., compacting etc., complete complying with standard specifications and as directed.

Plastering with cm 1:5 mix 20mm thick including all other labour charges etc., complete

Routine Maintenance after completion of work the road sufrace and shoulder to be maintained in proper condition to make them free from excessive edge drop offs, roughness, scouring and pot holes and cleaning of surface drain including culverts for frre flow of water. Relettering name boards and K.M & H.M stone and other maintenance operation required to keep the road traffic worthly at all the time for the maintenance period for the following years. As per General condition of contract para 32.2.2

For 1st Year

For 2nd Year

For 3rd Year

For 4th Year

For 5th Year

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}

R.SUJATHA