Water Supply, Irrigation & Sanitation Tenders

Providing and Supplying in standard lengths High Density Polyethylene Pipe (HDPE Pipe) Confirming to IS 4984/14151/12786/13488 (Latest Revision with necessary jointing materials like mechanical connector i.e. thread/ insert joint/ quick release coupler joint / compression fitting joint or flanged joints excluding coupler / specials and taxes). HDPE pipe of material grade PE80-PN10 . 250 mm dia (Common Part-A, M-1028, PG-104)

[20.106.1]Supply, testing and lowering (ERW) electric resistance welded M.S. pipes with MS threaded socket as per IS 4270 as amended up to date, duly ISI marked for housing pipe in 4 to 7 metres random length into bore well with 88.90mm of threaded ends (8 threads to an inch or 25.40 mm) manufactured out of 8mm thick MS plates with required numbers of MS socket 177.8mm with inside thread to match the pipe threads and made out of MS plate in to borehole in vertical position including cost of all tools and plants, complete in all respects to the satisfaction of Engineer-in-charge, including cost of all cutting, threading of pipe, welding, where required and all sockets. The pipe shall be painted with anti corrosive paint and covered tightly with polythene of following sizes: 1. 200x6.4mm

Supplying labours and tools for laying and jointing AC pressure pipe in trenches (as per I.S.S) with G.I. detachable joints with 'O' rings including providing night guard, barrier and red light to safe guard against accident all complete as per specification and direction of E/I.( AC pressure pipe with C.I. detachable jointing with 'O ' rings willl be supplied departmentally free of cost) --(Labour charge for laying of 10" dia pipe)--Phed Part B (3.1.38F)

Design Supply and installation,Triatrun and Commissioning (based on site conditions and as directed by the Enginner in Charge) of Pressure sand FILTER of Dual Media filter-Anthracite and special grade fine sand /quartz sand silex and pebbles for Cheppadu GP WITH Suitable Technology option using Mild steel PRESSURE Vessel with FRP lIinimg, Butterfly valves with complete base media and shall be complete with face piping ,fittings valves filter meda, under bed plate fitted with strainer pressure gauges cocks.manhole handhole airvent system manufactured with good engineering, practice having minimum thickness of 5mm with manhole and cover for easy inspection and an opening provision for media removing arrangement at bottom side with dummy arrangement and painting the vessel with epoxy paint two coats over two coat of primer finishing with synthetic enamel paint capable of discharging water at 10,000 LPH with a capacity to withstand the operating head of 80m with best quality ISI MARKED Butterflyvalves for easy backwashing rinsing and filtering with all necessary high quality filter media with sufficient capacity capable of removing Turbidity of water two times as per the water quality test report of 20.4 NTU and IRON 1.9 TO THE PERMISSIBLE LIMIT AS PER BIS drinking, water quality standard .All auxiliary including fittings nuts and bolts shall be made of MS with epoxy paint. The filter may be installed in the pumping main near tank site in order to make the operation and maintenance easy.The life period of the filter media supplied should be of minimum 3 years and the total head loss due to PSF SUPPLIED SHOULD NOT BE MORE THAN 4M .The PSF SHOULD BE DESIGNED with a capacity to withstand 1.5 times of the above given parameters of discharge and head. The technical details of the filter unit including the complete dimensions and type of filter media used shall be annexed and include the Flow diagram,Submitting Water quality test report from KWA after commissioning of the Scheme, submitting of Operation and Maintenance manual with guidelines for troubleshooting shall also be provided and including water quality test and Labelling.The GP OFFICE BEARERS shall be given Training for the Operation and MAINTENANCE of the Plant.Housing for filter units The housing arrangements should be as follows *The columns shall be on RCC foundations *Height of roof to be based on plant,and provide sloping roof *Rafters and purlins Precoated sheets of 0.5mm thickness to cover from top sheet onlAll other sides shall be covered with mesh wire cage (size 1”x1” with gauge 1/8” fitted in angle iron 35x35x5MM duly painted with good quality paint )with a suitable opening having locking arrangement. The floor shall consist of 40mm thick concrete,The finished floor level of the treatment plant should be as per site condition with minimum of 60 cm higher than the natural ground level.The plinth protection shall be 0.15m higher than the Natural level ie the floor level of the water treatment plant will be 0.45m above plinth protection.A 1.0m wide plinth protection sloping to outside withcement concrete/interlocking pavers mix M135 with a thickness of 50 mm shall be provided all round the shed foundation.Suitable /necessary foundation for pumps and filters shall be provided.