SPL REPAIR TO BOREWELL AND PIPE LINE NEAR HAIG LINE PUMP HOUSE UNDER GE(UTILITY) SECUNDERABAD

Carrying out detailed hydro geological and geo-physical survey for identification of suitable bore well location including resistivity test, strata analysis, groundwater potential assessment and submission of comprehensive geological survey report indicating recommended drilling point, expected yield, probable depth of water table, casing requirement and drilling recommendation complete all as specified and directed by Engineer-in-Charge. Survey shall be carried out through Central Govt/ State Govt agency or approved specialized agency.

Material and labour for drilling vertically from average ground level for 200 mm dia bore hole in any type of strata including hard rock by suitable Down-The-Hole (DTH) hammer drilling equipment with air compressor and/ or mud rotary combination as required for geological formation complete including removal of drilled/ bored material to a distance not exceeding 50 metres, spreading, levelling and depositing where directed at a level not exceeding 1.5 metre above starting point, keeping bore unsealed for minimum 48 hours and complete all as specified and directed by Engineer-in-Charge for depth from 0 metre to 100 metre below ground level

All as per item No. 2.00 here-in-before but for depth exceeding 100 m and up to 200 m below ground level.

All as per item No. 2.00 here-in-before but for depth exceeding 200 m and up to 300 m below ground level.

Development of tube well with compressed air and subsequently with 25% extra capacity pump by pumping muddy water complete all as specified and directed.

Yield test of bore well by continuous pumping for 16 hours to determine safe pumping yield complete all as specified and directed by Engineer-in-Charge.

Supply and fixing HDPE heavy duty column pipe 50 mm internal dia PN-16 complete with all accessories, clamps, sockets, adapters and necessary fittings for lowering/ hanging submersible pump set up to 250 m depth complete all as specified and directed.

Supply and laying waterproof submersible flat cable PVC sheathed multistranded copper conductor 3 core x 6 sqmm, 1100 Volt grade between submersible pump and control panel complete all as specified and directed.

Design, fabrication, supply and erecting connecting and testing totally enclosed LT Cubical DOL starter panel board of size not less than 60cmx45xcmx30cm, 3 Phase 4 wire system outdoor type 3 mm, double door front and back opening type sloped canopy(Hood) on top extended, cable alley, provision of knock out type plates for various sizes of cable up to 25Sqmm Sqmm 4 Core in and out, factory made fabricated out of 3 mm thick CRCA sheet duly treated through 7 tank pre treatment process and painted with epoxy power coated mat finish of SIEMENTS GREY structural RAL 7032 shade colour, built in industrial type locking arrangement on front and back and pre wired with PVC insulated multi stranded copper conductor for controls, Panel mounted on angle iron of size of 45x45x5mm frame, duly thick painted & it shall be fixed from 45cm of ground level and embedded in PCC 1:3:6 type C1, 20cm below ground level and 15cm above ground level consisting the following provisions:-

Incoming (a) MCB 100 Amps, Triple Pole AC 415 Volts, 50Hz, 10/ 16kA -01 No Incoming Outgoing (a) MCB 63 Amps, Triple Pole AC 415 Volts, 50Hz, 10/ 16kA -01 No (selection of MCB rating with respect to pump set capacity). (b) 3-ph, 415volts, 50Hz, DOL starter suitable for pump set capacity 5HP with suitable relay, contactor, WithDryRun, Locked Rotor and Short Circuit protection Mobile, Voltage and current based protection for all faults with individual protection enable/ Disable features, inbuilt hour based and real time clock based timers, with time compensation feature With Line Voltage, Phase Current, Power Factor, total run time information -01Nos (c) Single phase preventor (to-from prevent phase loss & phase failure)-01Nos (d) Indicator lamp set of 3 - 01 Set (e) Rotatory type selector Switch (f) Digital Type multi function meter for potential, current, frequency, and PF of suitable capacity. Make : MCB: L&T/ Havells/ Siemens, DOL starter: L&T/ BCH, (g) MCB 2P 32 Amps -01 Nos