Arunachal Pradesh Energy Development Agency Tender

Development of Deep bore/ tube well/Ring well/Pond/C.C Water storage tank . C.C storage tank of appropriate size is applicable especially in the hilly terrain where construction of bore well/tube well is not possible and water is available . The depth of the bore well/tube well/ring well is upto 30Mtr(+/- 5Mtr) including construction of pilot hole, housing, supply of materials, drilling, fitting-fixing, development, reaming, washing, etc.

Supply and installation of Water storage rotational Moulded polyethylene water storage Tanks of 1x2000 liters & 1x1000 Ltrcapacity of Cylindrical, vertical, double layer (inner layer white) with ISI mark conforming to IS: 12701:1996 latest revision with 5 meters staging including all taxes and transportation.

Pedestal with civil work having round 4 feet dia./ square shape 4 feet side as per the site requirement and soaking pit of a suitable structure either in rectangle or square shape towards the side of slope of water flow.

Supplying and erecting in position M.S. Supporting structure for supporting PVC Tanks and Solar Panel(South faced), 5 mm M.S. plate at top platform of appropriate size, M.S. Ladder (suitably placed), Supplying and installation in position PVC Tanks, all necessary pipeline connections with 32/25 mm dia. PVC pipe from water tapping point to delivery through Treatment unit, all complete with all pipes, specials, valves, 3 nos. Bib Cocks fitted to treated water tank all complete as per direction of the E-in-C including proper drainage systems upto3mtr.

Earthing of the Pump, Controller, SPV panels as per IS 9283 in accordance with the relevant provision of IS 3043 capable of taking care of leakage current.

Construction of 3 m X 3 m X 0.3 m platform around Iron treatment Units and MS supporting structure including Fencing and Gate with locking arrangement all complete as per departmental drawing.

Supplying, installation, commissioning and trial run (for 3 months) of Water Treatment unit for removal of Iron below permissible limit as per IS: 10500 - 2012 including supply of all required media (vessels design for latest IS codes with minimum 3 mm thick), Food grade epoxy coating inside, outside Painting with best quality synthetic enamel paint of approved make, all necessary 25 mm dia. G.I. pipeline (medium duty), valves, 3 bib cocks fitted after each treatment unit to collect water sample for testing, meters and making arrangement of connection with existing pipeline as per specification and drawing and direction of the Engineer-Incharge. Treatment unit size: 1. Oxidation chamber: 250 mm dia X 1200 mm depth (1 no.) 2. Pre Filtration unit: 250 mm dia X 1200 mm depth (1 no.) 3. Iron treatment unit: 250 mm dia X 1200 mm depth (2 no.s) 4. Backwash chamber: 350 mm dia X 1200 mm depth (1 no.) 5. UV treatment unit of adequate capacity Unit must have certificate from CSIR / IIT or other Government reputedInstitutions. Imported media must have NSF certification in addition to the above certificates.

Construction of stand post with platform upto 50Mtr. from the treated water storage tank including GI tap, size of platform,2 metrs x 2 metrs with proper drainage upto3metrs. Stand consisting of number of 25mm stainless steel bib-cock type at height minimum 800mm

Complete overhauling of Oxidation Vessel, Pre-Filter Vessel and Back-wash Vessel as and when required by engagement of labour&equipments (the work to be executed on written permission from the E-in-C.) which includes: a) Complete removal of media from the vessels, breaking of clots and thorough washing and cleaning of all media; b) Placement of all media with 10% fresh new media (lost during washing) including cost and carriage of the fresh new media.

Laying and Jointing PVC Pipe. Heading

Operation and maintenance of entire installations for 5 years (except day to day operation) which includes: a) Cleaning of site, checking of valves and pipes, checking of electrical connections, cleaning solar panel etc. thrice in a year; replacement of damaged Valves, Bib cocks and any other parts of all units as and when necessary; Repair/ replacement of pumping machinery i/c controller, PV Panel, wiring, switches etc. as and when necessary; Painting of M.S. structure and all painted surface at the end of each year, Complete replacement of MnO2 and Green sand in the Oxidation Vessel and Pre-Filter Vessel as and when required by engagement of labour&equipmentsincluding complete removal of old media from the vessels and placement of new media including cost and carriage.

Brick work in C.M 1:5 mix using 2nd class ground moulded chamber burnt bricks with including cost

Construction of chamber for 100mm sluices valve

Construction of chamber for 100mm sluices valve