SPL REPAIR OF EXISTING SEWAGE IN THE KLP UNDER AGE B/R-III OF GE (NORTH) BATHINDA AT BATHINDA MIL STN

Excavation in trenches in soft/loose soil not exceeding 1.5 m in width and 1.5 m in depth for foundations of manholes, sewer pipelines, etc., including getting out excavated material, complete all as specified and directed by the Engineer-in-Charge.

Excavation in trenches in soft/loose soil exceeding 1.5 m but not exceeding 3.0 m in width and not exceeding 1.5 m in depth, for foundations of manholes, sewer pipelines, etc., including getting out excavated material, dressing of sides, ramming of bottoms, and disposal of surplus excavated soil as directed, complete in all respects and as specified by the Engineer-in-Charge.

Demolition and breaking up of existing drain pipes of Stoneware (SGSW), Asbestos Cement (AC), or Reinforced Cement Concrete (RCC) pipes up to and including 150 mm diameter, including removal of debris and disposal as directed, complete in all respects and as specified and directed by the Engineer-in-Charge.

Material and labour for PCC (1:4:8), Type D-2, using 40 mm graded stone aggregate as concrete bed for 150 mm bore DWCPE pipes, laid to required slope, including packing under and haunching around the sides of pipes after laying and testing, including necessary formwork, complete all as specified and directed by the Engineer-in-Charge. Notes: (i) Thickness of concrete bed below the barrel of pipe shall be 10 cm. (ii) Width of concrete bed shall be outer diameter of drain pipe (excluding sockets/collar) plus 30 cm. (iii) Excavation, earthwork, and returning filling shall be measured and paid for separately under appropriate items of Schedule ‘A’ BOQ.

Supply, fixing and testing of DWCPE (SN 8) pipe 150 mm internal bore conforming to IS 16098:2013, including lowering, laying in trenches and jointing with elastomeric sealing ‘O’ rings and necessary fittings as per manufacturer’s instructions, complete all as specified and directed by the Engineer-in-Charge. Note: Excavation, earthwork, returning filling, removal, bedding and pedestal/anchorage, if required, shall be measured and paid for separately under appropriate items of BOQ/Schedule ‘A’.

Demolition and breaking up of existing drain pipes of Stoneware (SGSW), Asbestos Cement (AC), or Reinforced Cement Concrete (RCC) pipes up to and including 200 mm diameter, including removal of debris and disposal as directed, complete in all respects and as specified and directed by the Engineer-in-Charge.

Material and labour for PCC (1:4:8), Type D-2, using 40 mm graded stone aggregate as concrete bed for 200 mm bore DWCPE pipes, laid to required slope, including packing under and haunching around the sides of pipes after laying and testing, including necessary formwork, complete all as specified and directed by the Engineer-in-Charge. Notes: (i) Thickness of concrete bed below the barrel of pipe shall be 10 cm. (ii) Width of concrete bed shall be outer diameter of drain pipe (excluding sockets/collar) plus 30 cm. (iii) Excavation, earthwork, and returning filling shall be measured and paid for separately under appropriate items of Schedule ‘A’ BOQ.

Supply, fixing and testing of DWCPE (SN 8) pipe 200 mm internal bore conforming to IS 16098:2013, including lowering, laying in trenches and jointing with elastomeric sealing ‘O’ rings and necessary fittings as per manufacturer’s instructions, complete all as specified and directed by the Engineer-in-Charge. Note: Excavation, earthwork, returning filling, removal, bedding and pedestal/anchorage, if required, shall be measured and paid for separately under appropriate items of BOQ/Schedule ‘A’.

Material and labour for cutting into existing manholes for connecting new 150 mm internal diameter drain pipe, including making good to pipe and rendering, cutting out existing benching and forming branch channel (½ round to ¾ section) in cement concrete (1:2:4), Type B-1, smooth finished, and reforming benching as required, complete all as specified and directed by the Engineer-in-Charge.

Demolition of brickwork built in cement mortar including all quoins, pillars, and other structural portions, excluding precast cement concrete articles, including dismantling, stacking of serviceable material, removal of debris, loading, transportation and disposal to designated location, complete all as specified and directed by the Engineer-in-Charge.