Karnataka Slum Development Board Tender

code01 - Water purification plants: Providing, Installation and Commissioning of automatic Water purification plant (RO+UF) with all accessories piping, product water tank on single phase power supply as per the enclosed detailed Technical Specifications including cost of material, loading and unloading and as directed by the Engineer in charge. (Ref- detailed specification enclosed seperatly). Note:- 1.The above rates mentioned are only for the preparation of estimate purpose. 2. All items are to be of BSI /NFS standards,with BSI / NFS mark . 3. Tenders to be invited for procurement. 4. No direct payment should be made under any situation or condition or on any account. 5. After commissioning of plant necessary testing to be done for the satisfactory of Engineer Incharge. Note : Refer the ANNEXURE : F for Detailed Specification of Each components. For 1000 LPH FRP : Skid Type .Complete as per the specification and Directions of Engineer in charge.NOTE FOR WATER PURIFICATION PLANT: 1. For Antiscalant use only NSF 60 approved chemicals. 2. Low level sensor indicator to be provider for the antiscalant tank that will shut down the plant during the low level of the antiscalant. 3. Piping from output of Pure water Tank to coin vending machine/smart card shall be in stainless steel 304. 4. RO-UF system must be fully automatic or compatible for remote monitoring, control and data transmission. 5. The high pressure pump shall be fully stainless steel including impeller. 6. For detailed specifications of civil and electrical items of works refer PWD SOR. 7. All component materials of works should be food grade & conform to relevant codes of drinking water standards national / international. 8. The system shall be designed based on water quality and rating of items shall be compatible to each other. 9. The system shall have integrated pretreatment modules for removal of suspended solids along with pressure gauge. 10. The system shall have inbuilt protection to high pressure pump by way of low/high pressure switch. 11. Online rotameter shall be provided for measuring flow. Blending cartridge shall be provided to adjust taste/ TDS and followed by UV disinfection for total safety. System should have automatic backwashing of filters. 12. The system shall be capable of working by using the semi treated water provided through Bore well / Municipal water supply. 13. Recovery of water (i.e. component of treated water) shall be in range of 40%-60%. If desired, the waste/ rejected water may be separately stored by using suitable pump. This water may be used for cleaning, gardening or toilet purpose. In case of Stainless Steel plants 14. The sand filter and carbon filter housing with SS-304 shall with stand requisite pressure & shell thickness shall be not less than 1.5mm. 15. RO membrane housing shell thickness shall not be less than 2.00mm. 16. Pure water storage tank shell thickness shall not be less than 0.80mm. 17. Maintenance of Reverse Osmosis (RO) Plant : Besides periodical cleaning of RO membrane, the maintenance and servicing of the Reverse Osmosis (RO) Plant shall consisting of following: a. Micron Filter element cleaning/replacement during every servicing. b. Cleaning of Sand filter & Activated carbon filter. c. Anti scaling dosing chemical (As per requirement) replenishing. d. Raw water pump Checking/servicing, (if required) for optimizing power & flow. e. R.O. Membrane Checking/ Replacement,(if required) f. High pressure pump Checking/servicing, (if required) to optimize power & flow. g. Checking of flow rate of membrane & TDS on site h. Cleaning of raw water and product water tanks regularly. (Record for above process to be maintained at the plant).

code02 - Providing PVC ringtite pipes conforming to IS 4985:2000 with latest amendments and conveying to worksite, rolling and lowering into trenches, laying true to line and level and perfect linking at joints, testing and commissioning, including loading unloading at both destinations and cuts of pipes wherever necessary including jointing of PVC pipes and specials (excluding cost of specials) with jointing of approved type, with all labour with all lead & lift including encasing the pipe alround to a depth of not less than 15 cms. with soft gravel or selected earth available from the excavation etc. complete and giving necessary hydraulic test to the required pressure as per ISS (Contractor will make his own arrangements for procuring water for testing) etc. complete For: PVC pipes 110mm dia., 6 kg/sqcm & class 3.For water outlet.Complete as per the specification and Directions of Engineer in charge

code03 - PVC pipes 50mm dia., 6 kg/sqcm & class 5 .Complete as per the specification and Directions of Engineer in charge