128/2025-26

Maintenance of pipelines irrespective of size & material which includes Repairing of Bursts & leakages pollution control, survey & removal of choking, disconnection of illegal connections, Collection & recording minimum 10 nos. residual chlorine samples during daily supply timings, interconnections and all works related to pipeline network in existing distribution /rising main pipe lines of all sizes by digging out suitable size of pit in soft and loose soil/ hard soil including cutting of Black top, WBM & CC top of road of any size at work site. This will also include cutting of pipe ends, fixing of pipe piece with jointing material to make repair leak proof and refilling of pit by excavated sand by ramming it at sides of pipes and upto ground level. For entire job contractor will use their own T & P. Contractor with his own resources shall arrange de-watering,JCB & Tractor compressor if any and restore any amenity at his own cost damaged while performing the work in this item. The work includes daily patrolling and repair the leakages within stipulated time and complete maintenance of pipe line network of rising and distribution pipeline network within the scope of work for per km pipe line per month. Jointing material shall be provided by the department.

Minimum labour for a following kms pipelines to be deployed

51 km to 100km - onen fitter-II & two beldar (60.435 KM)

Cleaning of Ground water reservoir ( GLR's) of below mentioned capacity including removal of all silt from reservoir, scrapping of wall, disinfection of reservoir after cleaning and disposal of silt up to 1.00 Km lead and painting the date of cleaning on the reservoir.

11 to 15 KL (7 Nos.)

16 to 20 KL (45 Nos.)

21 to 25 KL (18 Nos.)

26 to 30 KL (3 Nos.)

31 to 50 KL (1 Nos.)

Cleaning of Over Head Service Reservoir ( OHSR ) of below mentioned capacity including removal of all silt from reservoir, scrapping of walls, disinfection of reservoir after cleaning and disposal of silt up to 1.00 Km lead and painting the date of cleaning on the reservoir.

50 to 100 KL (4No)

101 to 200 KL (1 No)

Replacement of existing wire mesh on ventilators of GLRs, OHSRs, CWRs etc. with 16 mm dia MS vertical bars placed at 10 cms wherever required, having 16-gauge wire mesh with a inner base of expanded jali welded around with vertical bars

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