tender for construction of bore hole tube well upto 100 mtr, depth and above to accommodate housing and assembly pipe of 250 mm dia ac pressure pipe cl-15, casing pipe nominal bore in all type of strata by rotary drilling method and with gravel packing as per is: 4097-1988 and specified in is : 2800 (part i & ii) 1979 as amended upto date. the work includes the cost of gravel and its primary packing and packing during development (thickness of gravel around the screen should not be less than 10 cm) lowering of casing and strainer with supply of ball plug, stainless steel mesh and its repair wherever necessary for arresting find sand particles. the work will not includes cost of housing pipes assembly and development work. the work would be complete only after obtaining sand free water durin , add 15% extra on depth more than 100mtr for drilling beyond 100mtr depth frorm ground level , supply of ac pressure pipe of 250 mm diameter bore cl15 manufactured by maaza process with jointing material pvc coupler. , development of gravel packed tube well of casing pipe size 250 mm as per is 11189-1985 and is 2800 (part-i) (both amended upto date) using suitable compressor to sand free water for required yield (maximum payment for 10 hours only shall be payble). , s & f tube well cover of m.s. sheet (6 mm thick) with nut & bolt complete for casing size od 219.250 mm. , making slots / hole size and nos as directed by engineer incharge in ac pressure pipe cl-15 of 250 mm diameter nominalbore mazza process pipe. , performing pump test using submersible pump sets of specified capacities to determine yield and draw down as per specification , s&f clamps are made of flat from iron with nuts and bolts etc. for holding the riser pipe assembly submersible set. , providing & lowering in tube well isi marked hdpe pipe as per is 4984:1995 or amended up to date in providing fixing 80 grade und class pn 10 of following dia. including hdpe/gi fittings and pv(c rope confirming to is 5175:1992 ог amended up to date, along with clamping of subiersible cable elc. complete in all respect, 75 mm dia , supply & installation, testing and commissioning off mnrr approved solat panelk with inverter, meter, cable ete. auitable fou renstey ne well annual repair wility seale kolar powet projecta with 25 years nf jmstallation annual repair well lincar ceneratiom warunty. wink ineludes designing of solar panet aren /and ms frame ond foundatlon on ground/toof of pump hoise or (wr, howing alranpement of panel in avadohlt space, instollation al y module on mn re a per approved design and drawings. mounting atrveture shallbe suitably designed to withstand wind veleeity up to 1.50km-hr grid tie transfumer less inverters, multiple intependent mppta, penk eflicieney of98^% connect up to muliple stringe tv anays. enty & fast connection, built-in string-level nunsitusing, 1p6s pretection level, wi-fi /intemet hased remute mimitining with & yeare warunty. (one panner afecity us 250 volt.i/hirnopma all cabling up to panel and meire, casthing cte, required acceartries nl haxes are inclusive. the wauk ahall he erecuted as per detailed technienf specifications, apumved drawing and direction of engineer in charge. noie: there shall be s yeat service waranty for panel, iwerter, nicier, , pply, nslallatinn, toxting and commissioning of dc ubineraille pumy xela wit, inhuilt individaal olar pum antmllar with maximum power polnt trackmg (mppd fo imally use the solar panel and maximize water discharge to ddivr maxiniwn wata during the day including pvc flat ubmerible cable froen controllea lo mмок рилрь. 12 solai pump shall be of stainles meel construction and perforinunce shall be as escape of work and minimum lill ofwater shall be as per defined in scope. pump controller shall leve adoqusne pruicction ugainst dry operution of motur i se and apains: hails and soms. full protection against open circuit, noculenta! shert cinuit and revenie polarity should be provided. a good reliublc nalof! switch suitahle fot dc. use is to be provided. the cable shall be isi arked three core pvc aat submeorsible cable as per isis 694:1990 or amended un to date (standard insulation) and conductor as per class 5 of is 8130:1980 or amended up w date , p & f pvc storage tank isi marked (is : 12701) indicating the bis license no), of approved make with cover, 25mm dia 1m long g.i. over-flow pipe & 25 cm. long wash out pipe with plug & socket, including making connection etc., complete of approved design: 2000 ltr , fabricaiton and fixing of ms steel of specified class of angle iron l-shape of 50mm size with four les gouted by 300°300°300 mm cement concrete block m-15 in the round and al legs tied up with cach other through same size of angle iron alng witli cross bars to suppor the bottom of 1000 ltr./2000 ltr. pvc tank couplete in all respet , add contingency , less 10%