Water Supply Works Tender Results

Maintenance and repair to leakage/blockage of water supply CI/DI pipe line of 80 mm to 300 dia size including necessary excavation required for taking out burning out lead joint or damaged rubber ring/hole from position and making the disturbed surfaces as per existing specification after replacing new spun yarn and lead joint or Tyton joint/D-joint or necessary fitting required as per site and making the pipe line leak proof completly to the entire satisfaction of Engineer-in-Charge. Note : Leakage on OHTs vertical pipes and under ground pipes are also included in this item complete all as specified and directed.

Removing & Re-fixing of Precast concrete interlocking blocks for laying of pipe line by manual method, stacking of serviceable & non serviceable material separately, disposal of dismantled material lead up to 50 mtr. The C.C. interlocking paving blocks be laid on average 25 mm thick bed of coarse sand and the joints to be filled with fine sand. Laying procedure on compacted sub base as defined. Complete job is to be executed as per the directions of Engineer in charge. The rates to be inclusive of fixing of 70 percent reusable precast concrete interlocking block and cost of required new precast concrete interlocking block against damaged, including all lead and lift as per Technical specifications. (Interlocking block manufactured by fully computerized automatic stationery hydraulic vibro pressed machine & full computerized automatic batching plant of class A-1 as per BS:6717-2001. Tensile splitting strength and breaking load as per BS: 6717-2001 Colour: Grey cement natural colour. Variation in Dimension : Less than 1.6 mm Variation in thickness: Less than 3.2 mm) Note: If existing precast block used more than 70%, than for every 1% use above 70%, deduction of 1% in cost shall be done for every 1% use above 70%.

Water Bound Macadam Grading II (without screening for low volume Roads/undersigned Roads). Providing, laying, spreading and compacting stone aggregates of Grading II to water bound macadam specification including spreading in uniform thickness, hand packing, rolling with smooth wheeled roller 8-10 tonnes in stages to proper grade and camber, applying and brooming requisite type of binding Materials to fill up the interstices of coarse aggregate, watering and compacting to the required density complete as per technical specifications