Strengthening of 2 Rural Roads in Kovilambakkam Panchayat in St.Thomas Mount Panchayat Unions of Chengalpattu District under MGSMT 2022.23 having PKG No.09

Amount

Part I :Strengthening of Indrajith Avenue Road 0/0-0/410 (R-234) at Kovilambakkam Panchayat Road Estimate Amount :Rs. 50.00 Lakhs, Maintenance Cost : Rs. 1.476 Lakhs

Picking the existing bituminous road surface to a depth of 150 mm and disposal of scarified material with a lift upto 3 m and lead upto 1000 m as per Technical Specification Clause 301.4.

Construction of Granular Sub base by providing well graded material (25 mm to 4.75 mm IRC HBG metal @ 65 %,4.75 to 2.36mm IRC HBG metal @20%&2.36 mm below IRC HBG metal @15%)& (the material passing 425 microns sieve shall have liquid limit and plasticity index not more than 25 & 6% repectively) spreading in uniform layers with motor grader on prepared surface mixing by mix in place method with rotovator at OMC and compacting with three wheel 80-100 KN capacity and finished in directed by the Engineer (Mix -in - place method) .

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.

Providing and laying Prime coat over WMM surface using 7.0 kgs. of emusion for 10 sqm.area including cost and conveyance of bituminous binder including labour charges for preparing the surface and applying the required quantity of bitumen as tack coat by bitumen sprayer etc., complete as per clause 503 of MOST specification

Providing and laying Tack coat over BM surface using 2.50 kgs. RS1 of emusion for 10 sqm.area including cost and conveyance of bituminous binder including labour charges for preparing the surface and applying the required quantity of bitumen as tack coat by bitumen sprayer etc., complete as per clause 503 of MOST specification

Providing and laying 50mm compacted thickness bituminous macadem using 0.42Cum of 26.5-11.2mm metal and 0.10cum of 11.2-2.80mm metal and 0.18cum of 2.80mm metal and below with 38Kgs of bitumen for premixing 10 sqm including cost and conveyance of all mate

BITUMINOUS CONCRETE 25 MM THICK USING cmp (Grade-II) Providing and laying Bituminious concrete to 40mm thick using 0.13cum of 19.00-9.50mm. 0.17cum of 9.5-2.36 and below with 50.3kgs of VG30/VG40 heating the bitumen and aggregates to required temperature and mixing them in required temperature in central hot mix plant 20-30 ton capacity, carrying the mix by tipper trucks to paver site, spreading the mix to uniform thickness of 40mm with mechanical paver to the specified grades and cross sections and consolidated by 8-10 tonnes vibratory/phenumatic roller to the required density etc., including labour for attending to paver to site etc.including hire charges and fuel charges foe 20-30t CMP with bitumen boiler, tipper trucks,paver finisher/9m paver finisher,vibratory/phenumatic roller and all other tools and plants required, including fuel and all other incidental charges etc., complete as per specification using CMP as per clauses 507 of MORTH Part-5

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

a. 60 cm Equilateral triangle cautionary signboard

b. 60 cm Circle(MANDATORY SIGN)

d.Chevron signs 90 cm Octogon(Curves)

Drain - Sub Estimate

Earth work excavation for foundation in all soils and sub - soils to full depth etc. complete as per SS 20B

Supplying and filling in foundation and basement with Filling M - Sand in layers not more 10 cm thick etc. complete.

Cement concrete 1:4:8 mix using 40mm metal including all other labour charges for laying, watering and curing charges etc., complete

Centering charges for all CC items of works including all labour charges etc., complete.

Cement concrete 1:2:4 mix using 20mm metal including all other labour charges for laying, watering and curing charges etc., complete

Plastering with cm 1:5 mix, 12mm 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 S.Kolathur Road to Periya Kovilambakkam Main Road 0/0-0/615 at Kovilambakkam Panchayat Estimate Amount : Rs.50.00 Lakhs. Maintenance Cost : Rs.1.62 Lakhs.

Picking the existing bituminous road surface to a depth of 150 mm and disposal of scarified material with a lift upto 3 m and lead upto 1000 m as per Technical Specification Clause 301.4.

Construction of Granular Sub base by providing well graded material (25 mm to 4.75 mm IRC HBG metal @ 65 %,4.75 to 2.36mm IRC HBG metal @20%&2.36 mm below IRC HBG metal @15%)& (the material passing 425 microns sieve shall have liquid limit and plasticity index not more than 25 & 6% repectively) spreading in uniform layers with motor grader on prepared surface mixing by mix in place method with rotovator at OMC and compacting with three wheel 80-100 KN capacity and finished in directed by the Engineer (Mix -in - place method) .

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.

Providing and laying Prime coat over WMM surface using 7.0 kgs. of emusion for 10 sqm.area including cost and conveyance of bituminous binder including labour charges for preparing the surface and applying the required quantity of bitumen as tack coat by bitumen sprayer etc., complete as per clause 503 of MOST specification

Providing and laying Tack coat over BM surface using 2.50 kgs. RS1 of emusion for 10 sqm.area including cost and conveyance of bituminous binder including labour charges for preparing the surface and applying the required quantity of bitumen as tack coat by bitumen sprayer etc., complete as per clause 503 of MOST specification

Providing and laying 50mm compacted thickness bituminous macadem using 0.42Cum of 26.5-11.2mm metal and 0.10cum of 11.2-2.80mm metal and 0.18cum of 2.80mm metal and below with 38Kgs of bitumen for premixing 10 sqm including cost and conveyance of all mate

BITUMINOUS CONCRETE 25 MM THICK USING cmp (Grade-II) Providing and laying Bituminious concrete to 40mm thick using 0.13cum of 19.00-9.50mm. 0.17cum of 9.5-2.36 and below with 50.3kgs of VG30/VG40 heating the bitumen and aggregates to required temperature and mixing them in required temperature in central hot mix plant 20-30 ton capacity, carrying the mix by tipper trucks to paver site, spreading the mix to uniform thickness of 40mm with mechanical paver to the specified grades and cross sections and consolidated by 8-10 tonnes vibratory/phenumatic roller to the required density etc., including labour for attending to paver to site etc.including hire charges and fuel charges foe 20-30t CMP with bitumen boiler, tipper trucks,paver finisher/9m paver finisher,vibratory/phenumatic roller and all other tools and plants required, including fuel and all other incidental charges etc., complete as per specification using CMP as per clauses 507 of MORTH Part-5

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

a. 60 cm Equilateral triangle cautionary signboard

b. 60 cm Circle(MANDATORY SIGN)

d.Chevron signs 90 cm Octogon(Curves)

Drain - Sub Estimate

Earth work excavation for foundation in all soils and sub - soils to full depth etc. complete as per SS 20B

Supplying and filling in foundation and basement with Filling M - Sand in layers not more 10 cm thick etc. complete.

Cement concrete 1:4:8 mix using 40mm metal including all other labour charges for laying, watering and curing charges etc., complete

Centering charges for all CC items of works including all labour charges etc., complete.

Cement concrete 1:2:4 mix using 20mm metal including all other labour charges for laying, watering and curing charges etc., complete

Plastering with cm 1:5 mix, 12mm 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