tender for gp bore at ward no.25 - |17.4 suitable drilling of perfectly vertical bore hole of a diameter to pipe receive 150mm nominal diameter casing upto desired depth below ground level the inclusive of labour charges for transporting, of 150mm lowering and fixing pipe nominal diameter m,s./g.i/u.p.v.c. casing inside the bore hole to drilling including all works pertaining such as transportation, installation and removal of drilling machine etc. complete in all types of rocks labour charges for assembling, centering and lowering of properly designed casing pipe assembly inside the bore hole drilled for construction of gravel packed tube well including the cost of providing and fixing of centraliser, and transportation of casing assembly etc. complete. 17.11.5 casing assembly composed of 150mm dia upvc blank and screened pipes. 17.28.1 construction of 76 cm x 76 cm x 40 cm foundation block in m-15 cement concrete for fixing the pedestal of hand pump including excavation, cost of material and labour etc. complete 17.28.2 construction of cement concrete platform as per design around the hand pump in m-15 cement concrete including excavation, centering, shuttering, cost of all the materials and labour and curing etc. complete 17.28.4 construction of cement concrete drain as per design in m. 15 cement concrete including excavation, centering, shuttering, cost of all the materials and labour and curing etc. complete. 17.14.1 labour charges for installation of india mark ii hand pump with 30 meter long 32mm dia riser pipe assembly and all other accessories including transportation of hand pump from specified departmental stores to site. 17.20 isi mark india mark-ii deep well hand pump complete with 10 nos. ms connecting rods, (12mm x 3m long) normal stand assembly. 17.24 isi mark 32mm dia g.i. riser pipe in 3 meter length. socketed on one end as per 1.5. 1239 (part-1) 1990 upto-date amendments and socket as per i.s. 2062/1990 up-to-date amendment. 17.26 1.5.1. marked upvc casing pipe confirming to is 4985/1988 (with up-to-date amendments) 17.26.7 cm casing pipes 150mm dia 17.19 measurement of yield of tube well by operating hand pump continuously for four hours manually.