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| 1 | Drilling and boring of pilot hole in any strata by manual means, collection of soil sampales of different strata met with during drilling at various suitable levels and preservation of samples in plythene bags / sample boxes and disposal of excess soil or mud including the cost for water etc. as required to maintain the pilot hole properly as per specification and direction of the Engineer In Charge. (A) 100 mm dia. |
| 2 | Reaming of pilot hole to an enlarged bore hole in any soil starta by manual means, disposal of excess soil or mud, including the cost for water etc. as required to maintain the bore hole properly as per specification and direction of the Engineer-in-charge, A) From 100 mm dia pilot hole to 250 mm bore hole |
| 3 | Providing and fixing of UPVC end cap suitable for UPVC'CM\\" casing or 'CS' casing or 'RS' pipes as per specification and direction ofhte Engineer-in-charge, i) 100 mm dia |
| 4 | Providing & lowering of UPVC pipe as per IS:12818 after washing of the bore hole by manual means as per specification and direction of the Engineer-n-charge. A)'CM'casing pipe,i) 150 mm dia |
| 5 | Providing & lowering of UPVC pipe as per IS:12818 after washing of the bore hole by manual means as per specification and direction of the Engineer-n-charge. A)'CM'casing pipe,ii) 100 mm dia |
| 6 | Providing & lowering of UPVC pipe as per IS:12818 after washing of the bore hole by manual means as per specification and direction of the Engineer-n-charge. B) RS pipe i) 100 mm dia |
| 7 | Providing and fixing of UPVC reducer suitable for UPVC 'CM' casing or 'CS' casing or 'RS' pipes as per specification and direction of the Engineer-in-charge, ii) 150x100 mm dia |
| 8 | Washing and development of tube well by using hand pump or by any suitable method and testing of the well as per specification and direction of the Engineer-in-charge. |
| 9 | Providing and shrouding of the deep tube well assembly with washed pea gravels (2.0-4.75) mm effective size) as per specifiation (IS:4097) using deep drilling rig and direction of the Engineer-in-charge, A) with contracor's high power rig i0with pea gravels obtained from Durgapur, West Bengal. |
| 10 | Providing and fitting fixing G.I pipe (medium Class) conforming to IS:1239 for Mark II/III as per specification and direction of the Engineer-in-charge.40 mm NB |
| 11 | Providing and fitting fixing with PVC insulated 3 core flat copper cable conforming to relevant IS code for Submersible motor with all necessary equipments and fittings as required as per specification and direction of the Engineer-in-charge. i.2.50 sq mm. |
| 12 | Providing and fitting fixing steel sheet enclosed switch fuse unit (suitable for DIN fuses) triple pole with natural link (TPN) 415/500 Volt, L&T/Havells/BCH make etc. Complete as per specification and direction of the Engineer-in-charge. |
| 13 | Supplying and installation of water lubricated submersible pump or Duke Make (Model No.DSP4RFH05) capacity 1500 GPH at total head up to 45 mtr. Couple with submersible motor 2 HP suitable for 240 voltas (+10% verification single phase 50 HP, AC supply DOL starting method to run at 2880 RPM along with 35 mtr 2.55 sqm. PVC insulated 3 (three) core flate copper cables including fitting fixing and lowering if with 40mm dia GI pipe up to 100 FT (30,00 mtr) etc. complete as per direction ofthe Engineer-in-charge (40 mm dia GI pipe and fitting will be paid separately) Please Enable Macros to View BoQ information |
