REPAIR TO SEWAGE LINES MANHOLES AND CLEANING OF SEWAGE LINES AND SEPTIC TANKS AT ZONE C INS PALLAVA UNDER GE NAVY CHENNAI

Excavation in trenches in soft/loose soil, not exceeding 1.5 m wide and not exceeding 1.5m in depth for foundation, etc., and getting out in hard / dense soil all as specified.

Demolition & breaking up drain pipes (Salt glazed ware, AC or Reinforced concrete) 150mm set in cement mortar

Demolition & breaking up drain pipes (Salt glazed ware, AC or Reinforced concrete) 200mm set in cement mortar

S & F 150 mm dia PVC (SWR) pipes single socketed, in any length with rubber ring joints, laid in trenches or in floors as specified

S & F 200 mm PVC (SWR) pipes single socketed, in any length with rubber ring joints, laid in trenches or in floors as specified

Demolition of Unreinforced Cement Concrete of any description and in any position not otherwise specifically provided for complete all as specified and as directed.

M & L Concrete bed to drain pipes for 150 mm dia including packing under and haunching against the sides of pipes after they are laid and tested using PCC 1:3:6 type C2 40mm graded aggregate complete all as specified and as directed.

M & L Concrete bed to drain pipes for 200 mm dia including packing under and haunching against the sides of pipes after they are laid and tested and tested using PCC 1:3:6 type C2 40mm graded aggregate complete all as specified and as directed.

M & L for Cutting into existing manholes of 150 mm dia for connecting new drains, aking good to pipe and rendering, cutting out existing benching for and forming branch channel (1/2 round or 3/4 section) in cement concrete 1:2:4 type B-l smooth finished, and reforming benching as required

M & L for Cutting into existing manholes of 200 mm dia for connecting new drains, aking good to pipe and rendering, cutting out existing benching for and forming branch channel (1/2 round or 3/4 section) in cement concrete 1:2:4 type B-l smooth finished, and reforming benching as required