REPAIR/ MAINT TO STORM WATER DRAINS, PCC AND BRICK DRAINS AND CERTAIN ALLIED WORKS OF CHAKRATA GARRISON OF AGE (I) CHAKRATA UNDER HQ CWE DEHRADUN

Demolition and breaking up drain pipes (Salt glazed ware, PVC/AC or Reinforced concrete) set in cement mortar and taking out of trenches, if required, Internal dia of pipe in 100mm complete all as specified and directed.

S&F HDPE pipes (PN-10) 100mm bore laid in trenches or in floors including jointing and jointing materials complete all as specified and directed.

S&F 110mm dia PVC (SWR) pipes single/double socketed in any length with rubber ring joints, laid in trenches or in floors and jointed complete all as specified and directed.

S&F 110mm dia PVC (SWR) pipes single/double socketed in any length with rubber ring joints, fixed to walls including staking/clamping for hanging securing ends of stay to wall complete all as specified and directed.

S & F PVC (SWR) bends/sockets/tee any radius 110 mm dia complete all as specified and directed.

Demolition of brick work or stone boulder masonry built in cement mortar or cement lime including all quoins, arches, pillars etc, but excluding ashlar facings, dressed stonework and precast concrete articles complete all as specified and as directed.

M&L for walling of random rubble masonary, uncoused, well bonded, bedded and solidly hearted, built in cement mortar 1:4 complete all as specified and directed.

Excavation in trenches n exc 1.5m wide and n exc 1.50m in depth for foundation etc and getting out in hard/dense soil complete all as specified and directed.

Returning filling in, incl spreading levelling watering and well ramming in layers n exc 25cm (after the pipes have been laid and tested) in any type of soil complete all as specified and directed.

Removing excavated material (soil) to a distance not exceeding 50M and depositing where directed at a lavel not exceeding 1.5m above the starting point, complete all as specified and directed.