WBPHED/EE/AMD/ NIeT-28 of 2026-2027/4

Supply and delivery at site of vertical submersible pumping machinery directly coupled with wet winding type suitable size submersible motor with following specification: Capacity 22 m³ per hour at a head of 29 mtrs, pump applicable outlet size 65/75 mm dia. Motor submersible type 5 HP, 3 Phase 50 Hz ± 6%, 400 Volt ± 10%, 2900 RPM. Method of starting- DOL. (Test certificate and guarantee certificate is to be produced at the time of delivery).

Supply delivery and storage at site 80 mm dia. 1.5 mtr length ERW M.S. column pipe having thickness 4.85 mm, (as per IS 1239 Part-I Heavy Type) having 11 TPI thread at both end with one heavy type socket and painted by 2 coats of anticorrosive syntietic paint as per Technical Specification.

Supply delivery at site 4 mm² x 3 core 1.1 KV Grade flat submersible copper conductor cable (to extend the motor connection upto Armoured cable)

Supply and delivery and storage at site 3 Core x 10 mm Sq Al. Ar Cable X LPE insulated 1.1 Grade conforming to IS-7098 (1) Make:Glaster /other Approved Make(Test Certifical is to be submitted at the time of delivery)

Installation of submersible pumping machinery along with 80 mm dia. M.S. column pipe part by part in the newly sunk tube wells with an arrangement of derrick, lifting tackles, tools and plants etc. on hire basis and binding the vertical submersible cable with the column pipes properly and fixing M.S. Top Cover on the tube wells with supplying necessary Clamps made of 65 mmX 12 mm thick flat as per reqd length, nuts, bolts, washers etc. all complete as per direction. (For Newly Construced One No RBTW)

Withdrawing of 3 HP submersible pumping machineries from old river bed Tube Well along with Column pipe after disconnection of all pipe line and power line connection with the help of Derrick and Chain Pulley arrangement by engaging skilled technician as per direction of EIC.

Earth work in excavation of Cable line trenches, in all sorts of soil including removing, spreading or stacking the spoils within a lead of 75 m. as directed &filling the same with excaveted soil including ramming dressing after all complete. The item includes necessary trimming the sides of trenches,levelling,dressing and ramming the bottom,bailing out water as required complete-Depth of excavation not exceeding 1,500 mm.

Laying only Cable upto 50 sqmm through existing RCC/Hume/GI Pipe/open masonary trench for single, 2, 3, 3½ & 4 core.

Making straight through joint between existing motor cable 1.5/2.5 Sqmm and 3 Core X 4 Sqmm submersible copper flat cable for extension of motor cable up to required lengh by supplying necessary seal kit to make joints leak proof all complete as per direction.

Making straight through joint of 3 Core 10 mm2 Al Ar Cable with submersible flat cable by supplying Ferrul , rubber and other necessary materials to make the joint leak proof (with kit).