REPAIR/ REPLACEMENT OF SEWAGE PIPES, CLEANING OF SEWAGE LINES, MH, GREASE TRAPS, FLOOR TRAPS IN MD ACCNS AT CHAFB

Cleaning of sewage pipe lines of size upto 100mm dia/bore and removing the blockages by rodding using bamboo spilt or by mechanical means, between the manholes, Nahani traps to gully traps, gully trap to manholes incl vertical stack pipes (where ordered), cleaning eye to gully trap and taking out debris, sludge or any solid/foreign materials from sewage line and flushing with water and testing after cleaning complete incl removing the debris outside the MoD land complete all as specified and directed. Notes applicable for Item No 1.00 to 5.00: The quoted rate shall be inculsive of clearing blockage in vertical pipes in high rise buildings (Ground floor to seventh floor) and similar works.

All as per item No 1.00 here-in-before but 150mm dia sewage pipe lines.

All as per item No 1.00 here-in-before but 200mm dia and above sewage pipe lines.

All as per item No 1.00 here-in-before but 250mm dia and above sewage pipe lines.

All as per item No 1.00 here-in-before but 300mm dia and above sewage pipe lines.

De-silting of manholes upto Manholes up to 1.00 m depth and removing of clogged mud, muck, silt, floating materials, hard materials like stone/bricks bats from inside the manholes and mouth of pipes and removing the debris outside MoD land incl taking up manhole covers of any description and refixing in the same position after de-silting complete all as specified and directed.

All as per 6.00 here-in-before but depth exc 1.00 metre but n exc 2.00 metres

All as per 6.00 here-in-before but depth exc 2.00 metre but n exc 3.00 metres

All as per 6.00 here-in-before but depth exc 3.00 metre but n exc 4.00 metres

Demolition of plain cement concrete in foundation/copings/ bed concrete of drain pipes in any position complete all as specified and directed. Note: All debris and rubbish shall be removed outside the MoD land.