Construction of Openwell with Extension of Pipe Line to Perumbakkam colony at Perumbakkam Panchayat at Acharapakkam panchayat Union in Chengalpattu District under Pooled Asssigned Revenue

Open well earth work open well excavation complying with relevant clauses of T.N.D.S.S. Well sinking and with lead upto 10 metre in Hard stiff clay, stiff black coton soil, hard red earth, shales, murram, gravel, toney earth and earth mixed with small size boulders and hard gravely soil - First depth of 2 metre

Open well excavation in soft disintegrated rock complying not requiring blasting with standard specification.Second depth 2.0 - 4.0m below GL

Open well excavation in DMR not requiring blasting soil copmlying with standard specification.III depth 4.0 - 6.00m below GL

Open well excavation in DMR requiring blasting soil copmlying with standard specification.III depth 6.0 - 8.00m below GL

Open well excavation in hard rock requiring blasting complying with standard specification Vth depth 8.00 - 10.00m below GL

Open well excavation in hard rock requiring blasting complying with standard specification VIth depth 10.00 - 12.00m below GL

Cement concrete 1:4:8 mix using 40mm HBG metal including cost and conveyance of all materials to site and all labour charges for mixing, laying and curing etc complete

Centring for soffits of the plane surface including strutting shuttering etc complete complying with standard specification and as directed by TWAD board officers.

supplying fabrication of steel including bending tying etc complete as directed by TWAD board officers.

RCC 1:1.5:3 using 20mm HBG metal including cost curing etc complete but excluding centering and steel complying with standard specification.

Randam rubble masonry in CM1:5 for steining wall of open well complying with standard specification.

Refilling excavated earth Including All Labour Charges Including Cost and Conveyance etc Complete. .

Pointing to the outer side of Steining wall above GL in CM 1:3 Complying with standard Spesification

Earth work excavation in all types of soil lead And lift ss 20 B etc complete Including All Labour Charges Including Cost and Conveyance etc Complete. .(1.00mx0.60mx1.05m)

Supply and Following of 90mm dia PVC Pipe Including Cost and Conveyance etc Complete. 6 KSC

Supply and Fixing of PVC Pipe Including Cost and Conveyance etc Complete.

Refilling excavated earth Including All Labour Charges Including Cost and Conveyance etc Complete. .

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}