PROVIDING BOREWELL ARRANGEMENTS CHOZHAVALLI WARD 2 IN NELLIKUPPAM MUNICIPALITY

Drilling of 140/150mm dia Borewells anywhere in Nellikuppam Municipal area including transportation from one place to another place with in Tamilnadu in alluvial soil sedimentary strata of clay and sand stone shale pebbles boulders etc. by first taking a pilot bore of 140 mm/150mm dia and then enlarging to required dia direct or reverse rotary mud circulation method using rotary rigs fuel, labour and drilling bentonite and water required for drilling at site. Site will be shown by the departmental officers including construction of mud pit. SOR Item No.12 Page No 302 Up to 60m Depth.

60m to 90m Depth.

Reaming 140/150 mm dia pilot bore to 300 dia bore as directed by the Municipal Engineer Up to 60m Depth.

60m to 90m Depth.

Supply and delivery of 150 mm dia PVC CM medium casing pipe with ISI make including all taxes and charges

Supply and delivery of 150 mm dia PVC Slot Pipe CM medium casing pipe with ISI make including all taxes and charges

Labour charges for inserting for PVC Casing pipe assembly in the drilled hole including jointing the pipe with PVC Coupler with cement paste etc, complete supply and packing the annuther space with pebbles of size and quality as approved by the Municipal engineer.

Supply and delivery of 50mm PN-10 dia HDPE PIPES - PE 100 AS PER IS 4984/2016 Including cost and conveyance charges etc complete

Supply and delivery of 4.00 sq.mm PVC Insulated and sheathed 3 core flat type copper cable including cost and coneyance charges.

Hire charges for flushing of bore well using drill rods/hose with required size of pipes for 600 Cfm (100/150 PSI) capacity compressor including transportation, labour and fuel charges for compressors as directed by the departmental officer including all charges.