Design, Supply, Installation, Testing, and Commissioning (DSITC) of 125mm borewell drilling and dual-powered submersible pumps with solar photovoltaic (SPV) panels at various snow clearance base camps, including Menamarg, Drass, Kargil, and Zansk

Amount

Drilling and installing a 125 mm diameter drinking water-grade casing pipe for a submersible pump borewell in various geological formations (collapsible strata, conglomerate, boulders, gravel, pebbles, silt, clay, and rock) in District Kargil, at an average depth of 60 meters or until sufficient water discharge is achieved, using the 115 mm Odex/DTH method; the casing pipe shall be made of mild steel or galvanized iron, with a minimum wall thickness of 5 mm, and conforming to relevant drinking water standards (e.g., IS 1239/IS 3589), along with all associated costs for drilling, materials, labor, and development of boreholes with suitable equipment to ensure water quality.

Upto 60 meter depth

Beyond depth of 60 meter

Installation, testing, and commissioning of a bore-well submersible multistage centrifugal pump (vertical type) coupled to a hermetically sealed asynchronous induction motor. It includes cables, safety ropes, and other necessary components of required size/rating. Additionally, job also includes dual-type motor starter for both grid and solar power as per motor rating. The pumps set conform following technical specifications and requirements: Bore-well size= 125 mm Design discharge Q at 90 meter head ----- 60 lpm or above Total Head----------------- 120 m Motor Rating--------------------- as per duty condition Motor speed ------------- 1480 rpm Phase-------------------- Single phase Control panel ------ Variable Frequency Drive (VFD) with dual option for Solar/grid supply Circuit breaker --------- 16 Amp ± 10% Cable size -------------- 2.5 sqmm (copper) as per IS694 Insulation --------------- XLPE Safety wire ------------- to be quoted The unit must be inherently designed for Over load protection, Over heat protection, Over current/under current protection (complete in all respects) Job inclusive of Motor Starter Dual type (Grid &Solar) Acceptable Make: Kirloskar, KSB, Mathers and Platt, Grundfoss /Equivalent

Supply, installation, testing, and commissioning of shockproof photovoltaic solar panels, including all civil works and base structure , junction box. Complete in all respect. The total power output shall exceed the motor rating by 30%. Specifications: • Number of Photovoltaic Panels: As per OEM's discretion • Operating Temperature for Solar Cell: -20°C to +45°C • Temperature Coefficient: -0.286 to -0.4 • Max Power at STC: 79% to 82% • Module Efficiency: 20% or higher PV Module Specifications: • Type: Mono crystalline silicon solar cells • Power of a Single Module: 335 W or above • Open Circuit Voltage: 44-46 V • Voltage at Max Power: 35-38 V • Current at Max Power: 8-9 A • Series Fuse Ratings: 10 A or as required • Application Class Ratings: Class A • Fire Ratings: Class C • Compliance: PV modules shall meet the IEC 61215 revised specifications and be certified by MNRE/ISI/ISO/IEEE/IEC or equivalent. Acceptable Make: TATA SOLAR/ ADANI/Equivalent (subject to approval from Deptt)

Providing and fitting of column pipe UPVC (Un plasticized Polyvinyl Chloride) Pipe of dia 63 mm ASTM-D-1785 SCH-40 of required pressure rating as per vertical head of respective site

Provision for shifting of machinery from site to site and ground leveling etc

PP-R PIPES AND FITTINGS duly insulated with 50 mm glass wool & cladding complete. Providing and fixing 3 layer PP-R (Poly propylene Random copolymer) pipes conforming to IS: 15801, UV stabilized and anti-microbial fusion welded, having thermal stability for hot and cold water supply including all PP-R plain and brass threaded Polypropylene random fittings. This includes testing of joints complete as per direction of Engineer-in- charge. External work including trenching and refilling.

BAGSTABOREWELL (BID ID -138636)

M/S NAMGIAL TUBEWELL AND DRILLING Co. (BID ID -138649)