REPAIR MAINT OF SEWAGE LINE MANHOLE AND CLEANING WORK OF DRAIN AT MP GOLAI AND BURDONG UNDER GE GANGTOK

Excavation in trenches, not exc 1.5 m wide and not exc 1.5 m in depth; for foundation, etc. or for shafts, wells, cesspits, manholes, pier holes, etc. n exc 10 sq m on plan and n exc 1.5 m in depth and getting out all excavated material in soft / loose soil complete all as specified and directed.

All as per item no 1.00 but for each additional 1.5m or part thereof in depth beyond the first 1.50 m complete all as directed.

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Demolition of precast block masonry or precast concrete article built in cement mortar complete all as specified and as directed.

Demolition / Dismantling and breaking up of drain pipes (AC or PVC or SWR) 110mm bore (Internal), set in cement mortar all as directed by the Engr-in-Charge.

Demolition/ Dismantiling and breaking up of drain pipes (Salt Glaze, AC or PVC or SWR) 150mm dia bore set in cement mortar all as directed by the Engr in charge.

M&L for rendering 15mm thick in CM(1:4) on other than fair faces of stone masonary, finished even & fair with using extra cement complete all as specified and as directed.

Cleaning of blocked sewage line 150mm bore by rodding with using sectional sewer rod / flexible sewer rod / steel rod or split bamboo stick throughly from both sides between adjacent manholes / inspection chamber to manholes of any depth and size including complete all as specified and as directed.

All as per ser item No 40.00 above but sewage line of 100/110mm bore.