Sustainability Support to Community Managed Water Supply Schemes- 2025-26 - Pattanchery Gramapanchayath Palakkad Dist

1.MAINTENANCE OF OPEN WELL AND PUMP HOUSE & WATER QUALITY Removing white or colour wash by scrapping and sand papering and preparing the surface smooth including necessary repairs to scratches etc. complete.

12 mm cement plaster of mix:1:4 ( 1 cement : 4 fine sand)

Finishing with Deluxe Multi surface paint system for interiors and exteriors using primer as per manufacturers specifications:Two or more coats applied on walls @ 1.25 ltr/10 sqm over and including one coat of special primer applied @ 0.75 ltr /10 sqm

Testing water sample from the source of scheme at any Government laboratory and submitting the report- both physical and bacteriological parameters.

Lettering with black Japan pint of approved brand and manufacture

2.EXISTING OHSR MAINTENANCE AND HOUSE CONNECTION Clearing jungle including uprooting of rank vegetation, grass, brush wood, trees and saplings of girth up to 30 cm measured at a height of 1 m above ground level and removal of rubbish up to a distance of 50 m outside the periphery of the area cleared

Washing OHSR/GLSR using brooms, brushes and bleaching powder by engaging coolies, scrubbing twice, washing and cleaning using fresh water, including side wall, floor slab and columns, disposing the the slurry / waste materials away from the immediate premises and within the initial lead of 50m from the periphery of the tank, without causing any damage to the existing structure and installations, charges including the operation of valves, conveyance and hire charges of tools and as per the direction of the department officers etc. complete.

12 mm cement plaster of mix:1:4 ( 1 cement : 4 fine sand)

Providing and applying Dr.Fixit, classic Damp Guard, of Pedilite brand/ Araldite Builder Barrierkot Epoxy / Nitocote EP405 water proof coating for waterproofing treatment to the RCC structures like retaining walls, water tanks, roof slabs, podiums, reservoir, sewage & water treatment plant, tunnels, / subway and bridge deck etc., prepared by mixing the 1 Part Base & 1 Part Hardener and one part water and applying the same on the internal plastered surface, 2 coats, with the help of synthetic fiber brush. The material shall meet the requirements as specified in ACI-212-3R-2010 i.e by reducing permeability of concrete by more than 90% compared with control concrete as per DIN 1048and resistant to 16 bar hydrostatic pressure on negative side. The work shall be carried out all completeas per specification and the direction of the engineer in-Charge. The product performance shall carryguarantee for 10 years against any leakage